/**
 * TalkStock V2 - 主樣式檔
 * 包含響應式設計、深色主題、動畫效果
 * 
 * 注意：品牌相關的設計元素（配色、字體、Logo）已移至 brand-system.css
 * 修改品牌設計請編輯 brand-system.css
 */

/* ==========================================================================
   CSS 變數定義（引用品牌設計系統）
   ========================================================================== */
:root {
    /* 色彩系統已移至 brand-system.css（Design Token v2.0）
       以下為向後相容 alias（舊名 → 新名） */
    --color-bg-primary: var(--color-bg-page);
    --color-accent-light: var(--color-accent-subtle);

    /* 間距系統 - 優化呼吸感 */
    --spacing-xs: 6px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;

    /* 圓角 - 引用品牌設計系統 */
    --radius-sm: var(--brand-radius-sm);
    --radius-md: var(--brand-radius-md);
    --radius-lg: var(--brand-radius-lg);
    --radius-xl: var(--brand-radius-xl);
    --radius-full: var(--brand-radius-full);

    /* 陰影已移至 brand-system.css */

    /* 字體 - 引用品牌設計系統 */
    --font-family: var(--brand-font-family);
    --font-size-xs: var(--brand-font-size-xs);
    --font-size-sm: var(--brand-font-size-sm);
    --font-size-md: var(--brand-font-size-md);
    --font-size-lg: var(--brand-font-size-lg);
    --font-size-xl: var(--brand-font-size-xl);
    --font-size-2xl: var(--brand-font-size-2xl);

    /* 走勢圖標籤字體大小（可透過個人設定調整） */
    --chart-label-font-size: 11px;

    /* 報價表格字體大小（可透過個人設定調整） */
    --quote-table-font-size: 12px;

    /* 側邊欄（使用 brand-system.css 中定義的變數） */
    --sidebar-width: var(--sidebar-width-collapsed, 60px);
    --sidebar-expanded: var(--sidebar-width-expanded, 280px);

    /* 底部導航 */
    --bottom-nav-height: 64px;

    /* 內容最大寬度 - 桌面版優化 */
    --content-max-width: 1400px;
    --chat-max-width: 900px;

    /* 過渡 */
    --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   基礎重置
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
}

/* 針對繁體中文內容移除 letter-spacing（CJK 字符不需要字距調整） */
html:lang(zh-TW) body,
html:lang(zh-TW) button,
html:lang(zh-TW) input,
html:lang(zh-TW) textarea,
html:lang(zh-TW) select {
    letter-spacing: normal !important;
}

/* 針對特定包含中文的元素移除 letter-spacing */
.stock-item-name,
.dropdown-label,
.tag-label,
.indicator-title,
.filter-label,
.chart-annotation,
.tooltip-title,
.chart-label {
    letter-spacing: normal !important;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(120, 113, 108, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    color: var(--color-text-primary);
    line-height: 1.65;
    letter-spacing: 0.01em;
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
}

p {
    line-height: 1.7;
}

button,
input,
textarea,
select {
    letter-spacing: 0.01em;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

/* ==========================================================================
   應用容器
   ========================================================================== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ==========================================================================
   桌面版側邊欄
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, #fdfcff 100%);
    border-right: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    position: fixed;  /* 固定在視窗左側，不隨頁面滾動 */
    top: 0;
    left: 0;
    z-index: 1001;  /* 高於 chat-input-container（z-index: 1000），確保 sidebar-footer 可見 */
}

.sidebar-header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-border-subtle);
}

.logo {
    color: var(--color-accent);
    /* Logo 動畫已在 brand-system.css 中定義 */
}

.sidebar-tabs {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-sm);
}

.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    margin: 0 var(--spacing-md);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
    position: relative;
}

.tab-btn::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--color-accent);
    border-radius: 0 4px 4px 0;
    transition: height var(--transition-normal);
}

.tab-btn:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    transform: translateX(2px);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color-accent-subtle) 0%, var(--color-accent-muted) 100%);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.tab-btn.active::before {
    height: 32px;
}

.tab-icon {
    width: 24px;
    height: 24px;
    margin-bottom: var(--spacing-xs);
}

.tab-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ==========================================================================
   用戶摘要卡片（側邊欄）
   ========================================================================== */
.user-summary {
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-secondary-muted) 0%, transparent 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border-default);
    position: relative;
}

.user-summary:hover {
    background: linear-gradient(135deg, var(--color-secondary-subtle) 0%, var(--color-secondary-muted) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-strong);
}

.user-summary:hover .quick-logout-btn {
    opacity: 1;
    visibility: visible;
}

.user-summary:active {
    transform: translateY(0) scale(0.98);
}

.user-summary.hidden {
    display: none;
}

/* 用戶頭像（小型） */
.user-avatar-mini {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(120, 113, 108, 0.2);
    position: relative;
}

/* 頭像呼吸光環效果（首次載入） */
.user-avatar-mini::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    opacity: 0;
    animation: avatarGlow 2s ease-in-out 3;
    pointer-events: none;
}

@keyframes avatarGlow {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.15);
    }
}

/* 🆕 已登入：品牌光環效果（取代原本的綠色小圓點） */
.user-summary-logged-in .user-avatar-mini {
    box-shadow:
        0 0 0 2px var(--color-bg-primary),      /* 白色內邊框 */
        0 0 0 4px var(--color-accent-subtle),     /* 品牌光環 */
        0 4px 12px rgba(120, 113, 108, 0.2);     /* 柔和外發光 */
    animation: loginStatusPulse 3s ease-in-out infinite;
}

/* 柔和的呼吸動畫（3秒週期） */
@keyframes loginStatusPulse {
    0%, 100% {
        box-shadow:
            0 0 0 2px var(--color-bg-primary),
            0 0 0 4px var(--color-accent-subtle),
            0 4px 12px rgba(120, 113, 108, 0.2);
    }
    50% {
        box-shadow:
            0 0 0 2px var(--color-bg-primary),
            0 0 0 6px var(--color-accent-muted),
            0 6px 20px rgba(120, 113, 108, 0.3);
    }
}

/* 人形圖示（取代原本的首字母，更直覺識別帳號區域） */
.avatar-icon {
    color: white;
    stroke: white;
}

/* 保留舊的首字母樣式以防需要 */
.avatar-initial {
    color: white;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
}

/* 用戶資訊 */
.user-info-mini {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-name-mini {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 用戶角色徽章 */
.user-role-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    width: fit-content;
    position: relative;
    cursor: help;
    transition: all var(--transition-fast);
}

/* 角色徽章 Tooltip */
.user-role-badge::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 6px 10px;
    background: rgba(41, 37, 36, 0.95);
    color: white;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.user-role-badge::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-2px);
    border: 5px solid transparent;
    border-top-color: rgba(41, 37, 36, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 1000;
}

.user-role-badge:hover::after,
.user-role-badge:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 管理員角色 */
.user-role-badge.admin {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.08) 100%);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.user-role-badge.admin .role-icon {
    color: #10B981;
}

/* 一般用戶 */
.user-role-badge.user {
    background: rgba(120, 113, 108, 0.1);
    color: var(--color-text-tertiary);
    border: 1px solid rgba(120, 113, 108, 0.2);
}

.user-role-badge.user .role-icon {
    color: var(--color-text-muted);
}

/* 訪客/未登入 */
.user-role-badge.guest {
    background: rgba(168, 162, 158, 0.08);
    color: var(--color-text-muted);
    border: 1px solid rgba(168, 162, 158, 0.15);
}

.role-icon {
    width: 12px;
    height: 12px;
}

.role-text {
    line-height: 1;
}

/* 快速登出按鈕 */
.quick-logout-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    width: 24px;
    height: 24px;
    border-radius: var(--radius-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    position: relative;
}

/* 登出按鈕 Tooltip */
.quick-logout-btn::after {
    content: '登出';
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%) translateX(8px);
    padding: 4px 8px;
    background: rgba(41, 37, 36, 0.95);
    color: white;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 1001;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.quick-logout-btn:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(12px);
}

.quick-logout-btn:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    transform: scale(1.1);
}

.quick-logout-btn:hover svg {
    color: white;
}

.quick-logout-btn svg {
    color: #EF4444;
    transition: color var(--transition-fast);
}

.quick-logout-btn.hidden {
    display: none;
}

/* ==========================================================================
   用戶摘要卡片 Wrapper（含下拉選單）
   ========================================================================== */
.user-summary-wrapper {
    position: relative;
    margin: var(--spacing-sm) var(--spacing-xs);
}

/* ==========================================================================
   用戶摘要卡片 - 驗證中/已登入/未登入三態切換
   ========================================================================== */

/* 🆕 驗證中狀態 */
.user-summary-checking {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-xs) 0;
}

.user-summary-checking.hidden {
    display: none;
}

/* 驗證中旋轉動畫 */
.auth-checking-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border-strong);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: authSpinner 0.8s linear infinite;
}

@keyframes authSpinner {
    to {
        transform: rotate(360deg);
    }
}

.auth-checking-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    animation: authTextPulse 1.5s ease-in-out infinite;
}

@keyframes authTextPulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

/* 🆕 狀態切換動畫基礎 */
.user-summary-checking,
.user-summary-logged-in,
.user-summary-guest {
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* 🆕 隱藏狀態動畫 */
.user-summary-checking.hidden,
.user-summary-logged-in.hidden,
.user-summary-guest.hidden {
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    position: absolute;
}

/* 已登入狀態 */
.user-summary-logged-in {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    position: relative;
}

/* 🆕 登入狀態進入動畫 */
.user-summary-logged-in:not(.hidden) {
    animation: authStateEnter 0.3s ease forwards;
}

@keyframes authStateEnter {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-summary-guest {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
}

/* 🆕 訪客狀態進入動畫 */
.user-summary-guest:not(.hidden) {
    animation: authStateEnter 0.3s ease forwards;
}

/* 訪客頭像 */
.guest-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(156, 163, 175, 0.2) 0%, rgba(156, 163, 175, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    position: relative;  /* 🆕 新增，用於定位狀態指示器 */
}

/* 🆕 未登入：灰色狀態指示器 */
.guest-avatar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-bg-primary);
    background: var(--color-text-muted);  /* 灰色 - 離線狀態 */
}

.guest-avatar svg {
    opacity: 0.6;
}

/* 登入/註冊按鈕容器 */
.guest-cta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

/* 迷你登入按鈕 */
.btn-login-mini {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-login-mini:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

.btn-login-mini:active {
    transform: translateY(0);
}

/* 迷你註冊按鈕 */
.btn-register-mini {
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-register-mini:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-secondary-muted);
}

/* 展開指示器 */
.dropdown-indicator {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: transform var(--transition-fast);
    margin-left: auto;
}

.user-summary-wrapper.dropdown-open .dropdown-indicator {
    transform: rotate(180deg);
}

/* ==========================================================================
   用戶下拉選單
   ========================================================================== */
.user-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 1100;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    pointer-events: none;
}

.user-dropdown.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.user-dropdown.hidden {
    display: none;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.user-dropdown-item:hover {
    background: var(--color-secondary-muted);
    color: var(--color-accent);
}

.user-dropdown-item svg {
    flex-shrink: 0;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.user-dropdown-item:hover svg {
    color: var(--color-accent);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--color-secondary-subtle);
    margin: 4px 0;
}

.user-dropdown-logout {
    color: #EF4444;
}

.user-dropdown-logout svg {
    color: #EF4444;
}

.user-dropdown-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #DC2626;
}

/* 🆕 Session 狀態區樣式 */
.session-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 12px;
    background: rgba(34, 197, 94, 0.05);
}

.session-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.session-status .status-dot.status-valid {
    background: #22C55E;
    box-shadow: 0 0 4px rgba(34, 197, 94, 0.5);
}

.session-status .status-dot.status-warning {
    background: #F59E0B;
    box-shadow: 0 0 4px rgba(245, 158, 11, 0.5);
    animation: statusPulse 1.5s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.session-status-text {
    font-size: 11px;
    color: var(--color-text-secondary);
}

.user-dropdown-logout:hover svg {
    color: #DC2626;
}

/* ==========================================================================
   側邊欄 Tab Tooltip
   ========================================================================== */
.tab-btn[data-tooltip] {
    position: relative;
}

.tab-btn[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    padding: 6px 12px;
    background: rgba(41, 37, 36, 0.95);
    color: white;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 1100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tab-btn[data-tooltip]::before {
    content: '';
    position: absolute;
    left: calc(100% + 4px);
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: rgba(41, 37, 36, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none;
    z-index: 1100;
}

.tab-btn[data-tooltip]:hover::after,
.tab-btn[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
}

/* ==========================================================================
   管理員 Tab 出現動畫
   ========================================================================== */
.tab-btn.admin-only {
    animation: none;
}

.tab-btn.admin-only.admin-visible {
    animation: adminTabFadeIn 0.4s ease-out forwards;
}

@keyframes adminTabFadeIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 需登入功能標籤的顯示/隱藏動畫（報、我） */
.tab-btn.auth-required {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-btn.auth-required.hidden {
    opacity: 0;
    transform: translateX(-8px);
    pointer-events: none;
}

.tab-btn.auth-required.auth-visible {
    animation: authTabSlideIn 0.3s ease forwards;
}

@keyframes authTabSlideIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================================================
   登出確認 Dialog
   ========================================================================== */
.logout-confirm-dialog {
    text-align: center;
    padding: var(--spacing-lg);
}

.logout-confirm-dialog h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.logout-confirm-dialog p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.logout-confirm-dialog .dialog-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.logout-confirm-dialog .btn-cancel {
    padding: 10px 24px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-confirm-dialog .btn-cancel:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.logout-confirm-dialog .btn-confirm-logout {
    padding: 10px 24px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-confirm-dialog .btn-confirm-logout:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.sidebar-footer {
    margin-top: auto !important;  /* 固定在 sidebar 底部（覆蓋 CSS reset） */
    padding: var(--spacing-md) 4px;  /* 減少左右 padding 以容納按鈕 */
    border-top: 1px solid var(--color-border-default);
    display: flex;
    flex-direction: row;  /* 水平排列 */
    align-items: center;
    justify-content: space-evenly;  /* 均勻分佈（包含兩側空間） */
    gap: 2px;  /* 減少間距 */
    background: linear-gradient(180deg, transparent 0%, rgba(120, 113, 108, 0.02) 100%);
    position: relative;  /* 讓 z-index 生效 */
    z-index: 1001;  /* 高於 chat-input-container（z-index: 1000） */
}

/* 通知鈴鐺按鈕 */
.notification-bell {
    width: 24px;  /* 從 40px 調整為 24px 以適應側邊欄寬度 */
    height: 24px;
    border-radius: var(--radius-lg);  /* 減少圓角以配合較小尺寸 */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background-color: transparent;
    flex-shrink: 0;  /* 防止被壓縮 */
}

.notification-bell:hover {
    background: linear-gradient(135deg, var(--color-secondary-subtle) 0%, var(--color-secondary-subtle) 100%);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(120, 113, 108, 0.15);
}

.notification-bell:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(120, 113, 108, 0.1);
}

.notification-bell svg {
    width: 16px;  /* 從 20px 調整為 16px */
    height: 16px;
}

/* 通知徽章（紅色小圓點） */
.notification-badge {
    position: absolute;
    top: 2px;  /* 調整位置以配合較小按鈕 */
    right: 2px;
    min-width: 14px;  /* 從 18px 調整為 14px */
    height: 14px;
    padding: 0 3px;  /* 從 5px 調整為 3px */
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 9px;  /* 從 11px 調整為 9px */
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 2px 8px rgba(239, 68, 68, 0.4),
        0 0 0 2px white;
    animation: pulse-notification 2s ease-in-out infinite;
}

@keyframes pulse-notification {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.9;
    }
}

/* 設定和語言按鈕 */
.settings-btn,
.lang-btn {
    width: 24px;  /* 從 40px 調整為 24px 以適應側邊欄寬度 */
    height: 24px;
    border-radius: var(--radius-lg);  /* 減少圓角以配合較小尺寸 */
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: transparent;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;  /* 防止被壓縮 */
}

.settings-btn::before,
.lang-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-secondary-subtle) 0%, var(--color-secondary-subtle) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.settings-btn:hover,
.lang-btn:hover {
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(120, 113, 108, 0.15);
}

.settings-btn:hover::before,
.lang-btn:hover::before {
    opacity: 1;
}

.settings-btn:active,
.lang-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(120, 113, 108, 0.1);
}

.settings-btn svg,
.lang-btn svg {
    width: 16px;  /* 從 20px 調整為 16px */
    height: 16px;
    position: relative;
    z-index: 1;
}

.lang-code {
    font-size: 10px;  /* 從 12px 調整為 10px */
    font-weight: 700;
    letter-spacing: 0.3px;  /* 從 0.5px 調整為 0.3px */
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   主內容區域
   ========================================================================== */
.main-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    background-color: var(--color-bg-primary);
    margin-left: var(--sidebar-width);
    transition: margin-left var(--sidebar-transition, 300ms ease);
}

.panel {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    overflow: hidden;
}

.panel.active {
    display: flex;
}

.panel-header {
    height: 80px;
    padding: 0 var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border-subtle);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.panel-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-2xl);
    right: var(--spacing-2xl);
    height: 2px;
    background: linear-gradient(90deg,
            var(--color-accent) 0%,
            transparent 100%);
    opacity: 0.3;
}

.panel-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.icon-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, var(--color-accent-light) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.icon-btn:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    transform: scale(1.05);
}

.icon-btn:hover::before {
    opacity: 1;
}

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
    position: relative;
    z-index: 1;
}

.icon-btn.small {
    width: 32px;
    height: 32px;
}

.icon-btn.small svg {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   聊天面板
   ========================================================================== */

/* 聊天工作區：佔滿 panel 剩餘空間 */
.chat-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;  /* 重要：讓 flex 子元素可以縮小 */
}

/* 聊天面板：佔滿 workspace (Grid 佈局的子元素) - 捲軸在這裡（視窗最右側） */
.chat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;  /* 捲軸出現在視窗最右側 */
    overflow-x: hidden;
    min-height: 0;  /* 重要：讓 flex 子元素可以縮小 */
    height: 100%;  /* 重要：在 Grid 佈局中限制高度 */

    /* 自訂捲軸樣式 — 中性色 */
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.12) transparent;
}

.chat-panel::-webkit-scrollbar {
    width: 4px;
}

.chat-panel::-webkit-scrollbar-track {
    background: transparent;
}

.chat-panel::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.12);
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.chat-panel::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

/* 聊天容器：包裹訊息區域，不限制寬度 */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    /* 移除 overflow: hidden，讓內容可以超出，由 .chat-panel 提供滾動 */
}

/* 聊天訊息區域：居中顯示，有最大寬度限制 */
.chat-messages {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-2xl);
    /* 底部增加 padding,避免內容被輸入框遮住（增加到 300px 確保執行按鈕完全可見）*/
    padding-bottom: 300px;  /* 輸入框高度 + 執行按鈕高度 + 額外空間 */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: var(--chat-max-width);
    margin: 0 auto;
    width: 100%;
}

/* ========== 聊天訊息氣泡 — ChatGPT 簡約風 v10 ========== */
.message {
    display: flex;
    gap: 10px;
    max-width: 100%;
    animation: messageSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    align-items: flex-start;
}

.message:not(.user) {
    width: 100%;
}

.message.user {
    width: 100%;
    justify-content: flex-end;
    animation: userMessageSlideIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* AI 頭像 — 精緻方形 */
.message > .message-avatar {
    display: none;
}

.message:not(.user) > .message-avatar {
    display: flex;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(140deg, #F97316 0%, #E8590C 100%);
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 4px;
    box-shadow: 0 1px 3px rgba(249, 115, 22, 0.15);
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-border-default);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.message-avatar svg {
    width: 28px;
    height: 28px;
    color: white;
}

/* 走勢線閃爍動畫 */
@keyframes trendShimmer {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

.message-avatar .trend-line {
    animation: trendShimmer 2s ease-in-out infinite;
}

.message.user .message-avatar {
    display: none;
}

/* 訊息主體容器 */
.message-body {
    flex: 1;
    min-width: 0;
}

.message.user .message-body {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    flex: none;
    max-width: 70%;
}

/* AI 回應：微透明背景 + 精緻指示線 */
.message:not(.user) .message-content {
    width: 100%;
    border-radius: 0 12px 12px 0;
    padding: 14px 20px 14px 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.message:not(.user) .message-content::before {
    display: block !important;
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent) 0%, #FB923C 50%, rgba(251, 146, 60, 0.1) 100%);
    border-radius: 1px;
}

/* 訊息內容 — 基礎 */
.message-content {
    background: transparent;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 16px;
    border: none;
    position: relative;
    box-shadow: none;
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-text-primary);
    letter-spacing: 0.005em;
}

.message-content::before {
    display: none;
}

/* 用戶訊息氣泡 — 精緻橘色膠囊 v6 */
.message.user .message-content {
    background: linear-gradient(135deg, #FB923C 0%, #F97316 30%, #EA580C 70%, #DC5A0B 100%);
    border-radius: 20px 20px 4px 20px;
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.18),
                0 4px 20px rgba(249, 115, 22, 0.08);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
    font-weight: 480;
    font-size: 14px;
    letter-spacing: 0.01em;
    padding: 12px 20px;
    line-height: 1.6;
    width: fit-content;
    max-width: 100%;
    position: relative;
    overflow: hidden;
}

/* 用戶氣泡微光效果 — 更細膩 */
.message.user .message-content::before {
    display: block !important;
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.03) 60%, transparent 100%);
    pointer-events: none;
    border-radius: 20px 20px 0 0;
}

/* 用戶氣泡底部微妙暗影 */
.message.user .message-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.04) 0%, transparent 100%);
    pointer-events: none;
    border-radius: 0 0 4px 20px;
}

/* 時間戳 — hover 顯示 */
.message-timestamp {
    font-size: 10px;
    color: var(--color-text-muted);
    margin-top: 4px;
    padding: 0 4px;
    opacity: 0;
    transition: opacity 0.25s ease;
    user-select: none;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

.message:hover .message-timestamp {
    opacity: 0.6;
}

.message.user .message-timestamp {
    text-align: right;
    padding-right: 6px;
}

.message-content p {
    margin-bottom: 8px;
}

.message-content p:last-child {
    margin-bottom: 0;
}

/* AI 回應內的 strong/bold 文字 — 橘色強調 */
.message:not(.user) .message-content strong {
    color: #D4530A;
    font-weight: 600;
}

/* 訊息 hover 互動效果 */
.message:not(.user) .message-content {
    transition: box-shadow 0.25s ease, background 0.25s ease;
}

.message:not(.user):hover .message-content {
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.message.user .message-content {
    transition: box-shadow 0.25s ease, transform 0.15s ease;
}

.message.user:hover .message-content {
    box-shadow: 0 3px 12px rgba(249, 115, 22, 0.22),
                0 6px 24px rgba(249, 115, 22, 0.1);
}

/* 打字指示器位置適配 message-body */
.message:not(.user) .message-body .typing-indicator {
    padding-left: 2px;
}

/* 深色主題 — 聊天氣泡 */
[data-theme="dark"] .message-content {
    background: transparent;
    color: var(--color-text-primary);
}

[data-theme="dark"] .message:not(.user) .message-content {
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .message:not(.user):hover .message-content {
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .message.user:hover .message-content {
    box-shadow: 0 3px 12px rgba(234, 88, 12, 0.3),
                0 6px 24px rgba(234, 88, 12, 0.1);
}

[data-theme="dark"] .message.user .message-content {
    background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.25),
                0 4px 20px rgba(234, 88, 12, 0.08);
}

[data-theme="dark"] .message:not(.user) .message-content strong {
    color: #FB923C;
}

[data-theme="dark"] .message-timestamp {
    color: rgba(255, 255, 255, 0.25);
}

[data-theme="dark"] .message:not(.user) > .message-avatar {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 快捷提示按鈕 */
.quick-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.quick-prompt {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: #FFFFFF;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: #44403C;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border-strong);
}

.quick-prompt:hover {
    background: var(--color-bg-hover);
    color: var(--color-secondary-hover);
    border-color: var(--color-secondary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(120, 113, 108, 0.1);
}

.quick-prompt:active {
    background: var(--color-secondary-muted);
    transform: translateY(0);
    box-shadow: none;
}

/* 輸入區域：固定在底部，Claude.ai 風格浮動設計 */
.chat-input-container {
    position: fixed;
    bottom: 24px;  /* 為底部固定 footer links 騰出空間 */
    left: 0;
    right: 0;
    flex-shrink: 0;
    padding: 20px 24px 8px;  /* 上 20px, 左右 24px, 下 8px（footer 在外面） */
    /* 移除霧面底盤，讓下方內容可正常操作 */
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.chat-input-container > * {
    max-width: var(--chat-max-width);
    width: 100%;
    pointer-events: auto;
}

/* ========== 新對話狀態：隱藏底部輸入框（Claude.ai 風格） ========== */
/* 新對話時只顯示中間的歡迎畫面輸入框，底部輸入框隱藏 */
.chat-panel.new-conversation .chat-input-container {
    display: none;
}

/* 有對話狀態：顯示底部輸入框（預設行為） */
.chat-panel .chat-input-container {
    /* display: flex 已在上方定義 */
}

/* 未登入提示條 */
.chat-login-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #F7F6F3;
    border: 1px solid var(--color-border-strong);
    border-radius: 12px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #44403C;
    animation: fadeIn 0.3s ease-out;
}

.chat-login-hint.hidden {
    display: none;
}

.hint-icon {
    width: 18px;
    height: 18px;
    stroke: #5C5955;
    flex-shrink: 0;
}

.hint-text {
    flex: 1;
    line-height: 1.4;
}

.hint-login-btn {
    padding: 6px 14px;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.hint-login-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.hint-login-btn:active {
    transform: translateY(0);
}

/* 發送按鈕鎖定狀態 */
.send-btn.locked {
    position: relative;
}

.send-btn.locked::after {
    content: '';
    position: absolute;
    top: 3px;
    right: 3px;
    width: 14px;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0.9;
    pointer-events: none;
}

/* ========== 輸入框上方跟進建議 chips ========== */
.input-followup-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
    animation: fadeInSuggestions 0.3s ease-out;
}

.input-followup-suggestions.hidden {
    display: none;
}

@keyframes fadeInSuggestions {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.input-suggestion-chip {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 18px;
    border: 1px solid var(--color-border-strong);
    background: #fff;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.input-suggestion-chip:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary-hover);
    background: var(--color-bg-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(120, 113, 108, 0.12);
}

/* 深色主題 */
[data-theme="dark"] .input-suggestion-chip {
    background: #2D2D2D;
    border-color: #404040;
    color: var(--color-text-muted);
}

[data-theme="dark"] .input-suggestion-chip:hover {
    border-color: #FB923C;
    color: #FB923C;
    background: #3D2D1D;
}

/* 響應式 */
@media (max-width: 480px) {
    .input-followup-suggestions {
        gap: 6px;
        margin-bottom: 8px;
    }
    .input-suggestion-chip {
        font-size: 12px;
        padding: 5px 10px;
    }
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background-color: var(--quote-panel-surface, #FEFDFB);
    border-radius: 20px;
    padding: 14px 16px;
    border: 1.5px solid rgba(28, 25, 23, 0.10);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 1px 2px rgba(28, 25, 23, 0.05),
        0 4px 12px rgba(28, 25, 23, 0.06),
        0 8px 24px rgba(28, 25, 23, 0.08),
        0 16px 40px rgba(28, 25, 23, 0.06);
}

.chat-input-wrapper:hover {
    border-color: rgba(28, 25, 23, 0.14);
    box-shadow:
        0 1px 2px rgba(28, 25, 23, 0.05),
        0 4px 12px rgba(28, 25, 23, 0.08),
        0 8px 24px rgba(28, 25, 23, 0.10),
        0 16px 48px rgba(28, 25, 23, 0.08);
}

.chat-input-wrapper:focus-within {
    border-color: var(--color-accent);
    box-shadow:
        0 0 0 3px var(--color-accent-muted),
        0 1px 2px rgba(0, 0, 0, 0.06),
        0 4px 12px rgba(0, 0, 0, 0.08),
        0 8px 24px rgba(0, 0, 0, 0.10),
        0 16px 48px rgba(0, 0, 0, 0.08);
}

.chat-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text-primary);
    padding: var(--spacing-sm);
    resize: none;
    max-height: 120px;
    line-height: 1.5;
}

.chat-input:focus {
    outline: none;
}

.chat-input::placeholder {
    color: var(--color-text-muted);
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
}

.send-btn:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, #d14809 100%);
    transform: scale(1.08);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

.send-btn:active {
    transform: scale(0.92);
    box-shadow: 0 1px 4px rgba(249, 115, 22, 0.2);
}

.send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.send-btn svg {
    width: 20px;
    height: 20px;
}

.input-hint {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.45);
    margin-top: 8px;
    text-align: center;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* 聊天配額指示器 */
.chat-quota-indicator {
    white-space: nowrap;
}
.chat-quota-indicator .quota-dot {
    margin: 0 6px;
    opacity: 0.5;
}
.chat-quota-indicator .quota-value {
    transition: color 0.3s ease;
}
.chat-quota-indicator.quota-warning .quota-value {
    color: var(--color-warning);
    opacity: 0.7;
}
.chat-quota-indicator.quota-danger .quota-value {
    color: var(--color-danger);
    opacity: 0.8;
}
[data-theme="dark"] .input-hint {
    color: rgba(255, 255, 255, 0.35);
}

/* 全域固定 Footer Links（脫離輸入框，固定在 viewport 最底部） */
.chat-footer-links {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 6px 0;
    background: var(--color-bg-elevated);
    gap: 6px;
    font-size: 11px;
    transition: left var(--sidebar-transition, 300ms ease);
}

.chat-footer-links a {
    color: rgba(0, 0, 0, 0.35);
    text-decoration: none;
    transition: color 150ms ease;
}

.chat-footer-links a:hover {
    color: rgba(0, 0, 0, 0.6);
    text-decoration: underline;
}

.chat-footer-links span {
    color: rgba(0, 0, 0, 0.25);
    font-size: 10px;
}

[data-theme="dark"] .chat-footer-links a {
    color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .chat-footer-links a:hover {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .chat-footer-links {
    background: var(--color-text-primary);
}

[data-theme="dark"] .chat-footer-links span {
    color: rgba(255, 255, 255, 0.2);
}

/* 等待動畫 — 脈動火花 */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding: 4px 0;
}

.typing-indicator span {
    display: none;
}

.typing-indicator::before {
    content: '';
    display: inline-block;
    width: 22px;
    height: 22px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C5955' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2L15.09 8.26L22 9.27L17 14.14L18.18 21.02L12 17.77L5.82 21.02L7 14.14L2 9.27L8.91 8.26L12 2Z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    animation: sparkle-pulse 1.5s ease-in-out infinite;
}

@keyframes sparkle-pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.8) rotate(0deg); }
    25% { opacity: 0.8; transform: scale(1.05) rotate(15deg); }
    50% { opacity: 1; transform: scale(1.15) rotate(0deg); }
    75% { opacity: 0.8; transform: scale(1.05) rotate(-15deg); }
}

/* ==========================================================================
   報價面板
   ========================================================================== */
.quote-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.stock-list {
    width: 320px;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border-default);
    display: flex;
    flex-direction: column;
}

.stock-list-header {
    padding: var(--spacing-lg) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border-subtle);
    background-color: var(--color-bg-tertiary);
}

.stock-items {
    flex: 1;
    overflow-y: auto;
}

.stock-item {
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--color-border-subtle);
    position: relative;
}

.stock-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
    transition: width var(--transition-normal);
}

.stock-item:hover {
    background-color: var(--color-bg-hover);
}

.stock-item:hover::before {
    width: 4px;
}

.stock-item.active {
    background: linear-gradient(90deg, var(--color-accent-muted) 0%, transparent 100%);
}

.stock-item.active::before {
    width: 4px;
}

.stock-item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stock-item-code {
    font-weight: 700;
    font-size: var(--font-size-md);
    letter-spacing: 0.5px;
}

.stock-item-name {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stock-item-price {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-end;
}

.stock-item-current {
    font-weight: 700;
    font-size: var(--font-size-md);
    font-variant-numeric: tabular-nums;
}

.stock-item-change {
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.stock-item-change.up {
    color: var(--color-danger);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(239, 68, 68, 0.12) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.stock-item-change.down {
    color: var(--color-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.12) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* 骨架屏 */
.skeleton {
    pointer-events: none;
}

.skeleton-text {
    height: 16px;
    background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-hover) 50%, var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    width: 80%;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* 圖表區域 */
.chart-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chart-header {
    padding: var(--spacing-lg) var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border-subtle);
    background-color: var(--color-bg-secondary);
}

.stock-info {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.stock-code {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stock-name {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stock-price-info {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-lg);
}

.current-price {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.price-change {
    font-size: var(--font-size-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    box-shadow: var(--shadow-sm);
}

.price-change.up {
    color: var(--color-danger);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(239, 68, 68, 0.08) 100%);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.price-change.down {
    color: var(--color-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.08) 100%);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.chart-wrapper {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-2xl);
    min-height: 0;
    position: relative;
}

.chart-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--spacing-2xl);
    right: var(--spacing-2xl);
    height: 1px;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(120, 113, 108, 0.1) 50%,
            transparent 100%);
}

.chart {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

.chart-controls {
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: center;
    background-color: var(--color-bg-secondary);
}

.time-range-btns {
    display: flex;
    gap: var(--spacing-sm);
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
}

.range-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
}

.range-btn:hover {
    color: var(--color-text-primary);
    background-color: var(--color-secondary-muted);
}

.range-btn.active {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

/* 搜尋框 */
.search-box {
    position: relative;
    width: 240px;
}

.search-box .search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    transition: all var(--transition-normal);
    z-index: 1;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 42px;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    box-shadow: 0 1px 2px rgba(28, 25, 23, 0.04);
}

.search-box input:hover {
    border-color: var(--color-border-default);
    background-color: #fff;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px var(--color-accent-subtle),
        0 2px 8px rgba(120, 113, 108, 0.08);
}

.search-box input:focus+.search-icon,
.search-box:focus-within .search-icon {
    color: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

.search-box input::placeholder {
    color: var(--color-text-muted);
}

/* ==========================================================================
   個人面板（頁面佈局已遷移至 SideNavPanel 組件）
   ========================================================================== */

.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.auth-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    max-width: 420px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-subtle);
}

.auth-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-subtle) 0%, var(--color-accent-muted) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow:
        0 4px 20px rgba(120, 113, 108, 0.12),
        inset 0 -2px 8px rgba(120, 113, 108, 0.08);
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.auth-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent) 0%, transparent 100%);
    opacity: 0.2;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.2;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.1;
    }
}

.auth-icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-accent);
    position: relative;
    z-index: 1;
}

.auth-card h2 {
    margin-bottom: var(--spacing-sm);
}

.auth-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-md);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    margin-left: var(--spacing-md);
    border: 1px solid var(--color-border-default);
}

.btn-secondary:hover {
    background-color: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.btn-full {
    width: 100%;
}

/* 用戶區塊 */
.user-section {
    max-width: 600px;
    margin: 0 auto;
}

.user-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-subtle);
}

.user-avatar {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    box-shadow:
        0 4px 12px rgba(120, 113, 108, 0.2),
        inset 0 -2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.user-avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.3) 50%,
            transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.user-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: block;
}

.user-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.settings-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.settings-group {
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-subtle);
}

.settings-group h3 {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item.clickable {
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.settings-item.clickable:hover {
    background-color: var(--color-bg-hover);
}

.settings-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
}

.settings-select {
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(28, 25, 23, 0.04);
}

.settings-select:hover {
    border-color: var(--color-border-default);
    background-color: #fff;
}

.settings-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* ==========================================================================
   設定面板管理入口（僅管理員可見）
   ========================================================================== */
.settings-item.admin-only {
    border-left: 3px solid var(--color-accent);
    background: linear-gradient(90deg, var(--color-bg-hover) 0%, transparent 100%);
    position: relative;
}

.settings-item.admin-only:hover {
    background: var(--color-accent);
    color: white;
    border-left-color: var(--color-accent-hover);
}

.settings-item.admin-only:hover .item-content {
    color: white;
}

.settings-item.admin-only:hover .item-title,
.settings-item.admin-only:hover .item-desc {
    color: white;
}

.settings-item.admin-only:hover .item-icon-svg {
    stroke: white;
}

.settings-item.admin-only:hover .admin-indicator {
    background: white;
    color: var(--color-accent);
}

/* SVG 圖標（替代 emoji） */
.item-icon-svg {
    flex-shrink: 0;
    margin-right: 12px;
    color: var(--color-accent);
    stroke: var(--color-accent);
    transition: all 0.2s ease;
}

/* Admin 指示器 */
.admin-indicator {
    margin-left: 12px;
    padding: 2px 8px;
    background: var(--color-accent);
    color: white;
    font-size: 10px;
    font-weight: 700;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: all 0.2s ease;
}

/* 深色主題支援 */
[data-theme="dark"] .settings-item.admin-only {
    background: linear-gradient(90deg, var(--color-accent-subtle) 0%, transparent 100%);
    border-left-color: var(--color-accent);
}

[data-theme="dark"] .settings-item.admin-only:hover {
    background: var(--color-accent);
}

/* ==========================================================================
   手機版底部導航
   ========================================================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 100;
    backdrop-filter: blur(12px);
    box-shadow: 0 -2px 12px rgba(120, 113, 108, 0.06);
}

.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal);
    position: relative;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    border-radius: 0 0 4px 4px;
    transition: width var(--transition-normal);
}

.nav-btn:active {
    transform: scale(0.95);
}

.nav-btn.active {
    color: var(--color-accent);
}

.nav-btn.active::before {
    width: 48px;
}

.nav-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 2px;
}

.nav-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Mobile 底部導航 - 用戶狀態 */
.nav-btn-profile {
    position: relative;
}

.nav-icon-guest {
    transition: opacity var(--transition-fast);
}

.nav-icon-guest.hidden {
    display: none;
}

/* Mobile 用戶頭像 */
.nav-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2px;
    box-shadow: 0 1px 4px rgba(120, 113, 108, 0.3);
}

.nav-avatar.hidden {
    display: none;
}

.nav-avatar-initial {
    color: white;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

/* Mobile 用戶名稱標籤 */
.nav-label-username {
    max-width: 48px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 10px;
}

/* ==========================================================================
   底部導航管理按鈕增強（僅管理員可見）
   ========================================================================== */
.nav-btn-admin {
    position: relative;
    border: 2px solid transparent;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-bg-hover) 0%, var(--color-bg-inset) 100%);
    transition: all 0.2s ease;
}

.nav-btn-admin:hover,
.nav-btn-admin.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    transform: translateY(-2px);
}

.nav-btn-admin:hover .nav-icon,
.nav-btn-admin.active .nav-icon {
    stroke: white;
}

.nav-btn-admin:hover .nav-icon circle,
.nav-btn-admin.active .nav-icon circle {
    fill: white;
}

/* Admin 指示點（右上角警示點） */
.admin-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: #EF4444; /* 紅色警示點 */
    border: 2px solid white;
    border-radius: 50%;
    animation: pulse-admin 2s infinite;
    z-index: 1;
}

@keyframes pulse-admin {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.2);
    }
}

/* Hover 或 active 時隱藏指示點 */
.nav-btn-admin:hover .admin-dot,
.nav-btn-admin.active .admin-dot {
    display: none;
}

/* 深色主題支援 */
[data-theme="dark"] .nav-btn-admin {
    background: linear-gradient(135deg, var(--color-accent-subtle) 0%, var(--color-accent-muted) 100%);
}

[data-theme="dark"] .nav-btn-admin:hover,
[data-theme="dark"] .nav-btn-admin.active {
    background: var(--color-accent);
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1;
}

.modal-content {
    position: relative;
    background-color: var(--color-bg-secondary);
    z-index: 10;
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 90%;
    max-width: 440px;
    animation: modalIn var(--transition-normal);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-subtle);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition-normal);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
}

.modal-close:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    transform: rotate(90deg) scale(1.1);
    border-color: var(--color-accent);
}

.modal-close:active {
    transform: rotate(90deg) scale(0.95);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

/* 認證表單 */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-group input {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    font-size: var(--font-size-md);
    box-shadow: 0 1px 2px rgba(28, 25, 23, 0.04);
}

.form-group input:hover {
    border-color: var(--color-border-default);
    background-color: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px var(--color-accent-subtle),
        0 2px 8px rgba(120, 113, 108, 0.08);
}

/* 記住我 Checkbox 樣式 */
.form-checkbox {
    flex-direction: row !important;
    align-items: center !important;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-muted);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-bg-tertiary);
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.btn-oauth:hover {
    background-color: var(--color-bg-hover);
}

/* ==========================================================================
   Toast 通知 v2 — 圖標 + 進度條 + 關閉按鈕
   ========================================================================== */
.toast-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    pointer-events: none;
}

.toast-container > .toast {
    position: relative;
    background: #fff;
    border-radius: 12px;
    padding: 14px 40px 14px 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.3s ease;
    min-width: 300px;
    max-width: 420px;
    overflow: hidden;
    pointer-events: auto;
    border: 1px solid rgba(28, 25, 23, 0.08);
}

/* -- 圖標 -- */
.toast__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* -- 內容 -- */
.toast__content {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-primary);
}

/* -- 關閉按鈕 -- */
.toast__close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--color-text-tertiary);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
}
.toast__close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-text-primary);
}

/* -- 進度條 -- */
.toast__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    transform-origin: left;
    animation: toastProgress linear forwards;
    border-radius: 0 0 12px 12px;
}

/* -- 類型色彩 -- */
.toast--success {
    border-left: 4px solid #22c55e;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.06) 0%, #fff 100%);
}
.toast--success .toast__icon { color: #22c55e; }
.toast--success .toast__progress { background: #22c55e; }

.toast--error {
    border-left: 4px solid #ef4444;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.06) 0%, #fff 100%);
}
.toast--error .toast__icon { color: #ef4444; }
.toast--error .toast__progress { background: #ef4444; }

.toast--warning {
    border-left: 4px solid #f59e0b;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, #fff 100%);
}
.toast--warning .toast__icon { color: #f59e0b; }
.toast--warning .toast__progress { background: #f59e0b; }

.toast--info {
    border-left: 4px solid #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, #fff 100%);
}
.toast--info .toast__icon { color: #3b82f6; }
.toast--info .toast__progress { background: #3b82f6; }

/* -- 深色主題 -- */
[data-theme="dark"] .toast-container > .toast {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-default);
}
[data-theme="dark"] .toast-container .toast__close:hover {
    background: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .toast--success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.12) 0%, var(--color-bg-tertiary) 100%);
}
[data-theme="dark"] .toast--error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, var(--color-bg-tertiary) 100%);
}
[data-theme="dark"] .toast--warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, var(--color-bg-tertiary) 100%);
}
[data-theme="dark"] .toast--info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, var(--color-bg-tertiary) 100%);
}

/* -- 動畫 -- */
@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-12px) scale(0.96);
    }
}

@keyframes toastProgress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes messageSlideIn {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes userMessageSlideIn {
    0% {
        opacity: 0;
        transform: translateX(12px);
    }
    100% {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* ==========================================================================
   滾動條美化
   ========================================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-text-muted) 0%, var(--color-secondary) 100%);
    border-radius: var(--radius-full);
    transition: background var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary-hover);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-muted) var(--color-bg-tertiary);
}

/* ==========================================================================
   頁面加載動畫
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.app-container {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar {
    animation: slideInLeft 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel.active {
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Loading 狀態
   ========================================================================== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-bg-tertiary);
    border-top-color: var(--color-accent);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    animation: loadingDots 1.4s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(120, 113, 108, 0.3);
}

.loading-dots span:nth-child(1) {
    animation-delay: 0s;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loadingDots {

    0%,
    60%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
        box-shadow: 0 0 4px rgba(120, 113, 108, 0.1);
    }

    30% {
        transform: translateY(-14px) scale(1.2);
        opacity: 1;
        box-shadow: 0 0 12px rgba(120, 113, 108, 0.4);
    }
}

.skeleton-loader {
    background: linear-gradient(90deg,
            var(--color-bg-tertiary) 25%,
            rgba(120, 113, 108, 0.06) 50%,
            var(--color-bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeletonLoad 1.8s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeletonLoad {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ==========================================================================
   工具類別
   ========================================================================== */
.hidden {
    display: none !important;
}

/* 無障礙：僅供螢幕閱讀器 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus 可見性 */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   響應式設計
   ========================================================================== */
.desktop-only {
    display: flex;
}

.mobile-only {
    display: none;
}

/* 平板版 (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .stock-list {
        width: 220px;
    }
}

/* ==========================================================================
   管理後台樣式（頁面佈局已遷移至 SideNavPanel 組件）
   ========================================================================== */

/* 儀表板統計卡片 */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-accent) 0%, #ff6b35 100%);
}

.stat-icon.users {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.stat-icon.subscriptions {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
}

.stat-icon.revenue {
    background: linear-gradient(135deg, #dc2626 0%, #f97316 100%);
}

.stat-icon.support {
    background: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
}

.stat-icon svg {
    width: 32px;
    height: 32px;
    stroke: white;
}

.stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-change {
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.stat-change.positive {
    color: var(--color-success);
}

/* 載入和錯誤狀態 */
.loading-placeholder,
.error-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
    min-height: 300px;
}

.loading-placeholder .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-lg);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.error-placeholder .error-icon {
    width: 64px;
    height: 64px;
    color: var(--color-error);
    margin-bottom: var(--spacing-lg);
}

.error-placeholder h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.error-placeholder p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.retry-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.stat-card-title {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.stat-card-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card-change {
    font-size: 12px;
    color: var(--color-success);
}

.stat-card-change.negative {
    color: var(--color-error);
}

/* 儀表板圖表 */
.dashboard-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.chart-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.admin-chart {
    min-height: 300px;
}

/* ==========================================================================
   現代化管理表格樣式 - 藝術設計感
   ========================================================================== */

/* 表格容器 */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow:
        0 4px 24px rgba(120, 113, 108, 0.08),
        0 0 0 1px rgba(120, 113, 108, 0.06);
}

/* 表頭 */
.admin-table thead {
    background: linear-gradient(135deg,
            rgba(120, 113, 108, 0.08) 0%,
            rgba(120, 113, 108, 0.04) 100%);
}

.admin-table thead tr {
    border-bottom: 2px solid var(--color-border-default);
}

.admin-table th {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
}

.admin-table th:first-child {
    border-radius: var(--radius-xl) 0 0 0;
}

.admin-table th:last-child {
    border-radius: 0 var(--radius-xl) 0 0;
}

/* 表格行 */
.admin-table tbody tr {
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--color-border-subtle);
}

.admin-table tbody tr:last-child {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background: linear-gradient(90deg,
            rgba(120, 113, 108, 0.06) 0%,
            rgba(120, 113, 108, 0.02) 100%);
    transform: scale(1.002);
}

.admin-table tbody tr:nth-child(even) {
    background-color: var(--color-secondary-muted);
}

.admin-table tbody tr:nth-child(even):hover {
    background: linear-gradient(90deg,
            rgba(120, 113, 108, 0.08) 0%,
            rgba(120, 113, 108, 0.03) 100%);
}

/* 表格單元格 */
.admin-table td {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    vertical-align: middle;
}

/* 用戶單元格 - 頭像 + 資訊 */
.user-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-cell .user-avatar {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-accent) 0%, #ff6b35 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-md);
    box-shadow: 0 4px 12px rgba(120, 113, 108, 0.25);
    flex-shrink: 0;
}

.user-cell .user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-cell .user-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.user-cell .user-email {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* 角色徽章 */
.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.role-badge.admin {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(239, 68, 68, 0.18) 100%);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.role-badge.user {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.15) 100%);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.role-badge.moderator {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(168, 85, 247, 0.15) 100%);
    color: #9333ea;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* 狀態徽章 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-badge.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.15) 100%);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.active::before {
    background-color: var(--color-success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-badge.inactive {
    background: linear-gradient(135deg, rgba(168, 162, 158, 0.1) 0%, rgba(168, 162, 158, 0.15) 100%);
    color: var(--color-text-tertiary);
    border: 1px solid rgba(168, 162, 158, 0.2);
}

.status-badge.inactive::before {
    background-color: var(--color-text-muted);
    animation: none;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

/* 操作按鈕 */
.action-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(120, 113, 108, 0.3);
}

.btn-icon.danger:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-icon.success:hover {
    background: var(--color-success);
    border-color: var(--color-success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* 表格頭部工具欄 */
.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.table-header .filters {
    display: flex;
    gap: var(--spacing-md);
}

.table-header select {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-default);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.table-header select:hover {
    border-color: var(--color-accent);
}

.table-header select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* 分頁 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    color: var(--color-text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(120, 113, 108, 0.25);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    padding: 0 var(--spacing-md);
}

/* 優惠碼樣式 */
.promo-code {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--color-secondary-muted) 0%, var(--color-secondary-subtle) 100%);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-default);
}

/* 操作碼樣式 */
.action-code {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 11px;
    padding: 4px 8px;
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   編輯用戶 Modal 樣式
   ========================================================================== */

/* 表單操作按鈕區 */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-subtle);
}

/* Modal 底部危險操作區 */
.modal-footer-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-subtle);
}

/* 輪廓按鈕基礎樣式 */
.btn-outline-warning,
.btn-outline-danger {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
}

/* 警告按鈕 - 橘色 */
.btn-outline-warning {
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.btn-outline-warning:hover {
    background: var(--color-warning);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* 危險按鈕 - 紅色 */
.btn-outline-danger {
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.btn-outline-danger:hover {
    background: var(--color-danger);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* 表單內的 Select 樣式 */
.auth-form .settings-select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    transition: all var(--transition-normal);
    font-size: var(--font-size-md);
    cursor: pointer;
}

.auth-form .settings-select:hover {
    border-color: var(--color-border-default);
    background-color: #fff;
}

.auth-form .settings-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #fff;
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* Secondary 按鈕樣式 */
.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-default);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

/* ==========================================================================
   Cloudflare Dashboard 風格表格樣式
   ========================================================================== */

/* 工具欄 */
.cf-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cf-toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cf-toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* 篩選按鈕 */
.cf-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cf-filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.cf-filter-btn svg {
    width: 14px;
    height: 14px;
}

/* 搜尋框 */
.cf-search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    min-width: 280px;
    transition: all var(--transition-fast);
}

.cf-search-box:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.cf-search-box svg {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.cf-search-box input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--color-text-primary);
    font-size: 13px;
    outline: none;
}

.cf-search-box input::placeholder {
    color: var(--color-text-muted);
}

/* 結果數 */
.cf-result-count {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 新增按鈕 */
.cf-add-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cf-add-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
}

.cf-add-btn svg {
    width: 14px;
    height: 14px;
}

/* 表格容器 */
.cf-table-wrapper {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* 表格 */
.cf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

/* 表頭 */
.cf-table thead {
    background: var(--color-secondary-muted);
    border-bottom: 1px solid var(--color-border-subtle);
}

.cf-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    color: var(--color-text-secondary);
    font-size: 12px;
    white-space: nowrap;
}

.cf-th-checkbox {
    width: 40px;
    text-align: center !important;
}

.cf-th-sortable {
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
}

.cf-th-sortable:hover {
    color: var(--color-accent);
}

.cf-sort-icon {
    margin-left: 4px;
    opacity: 0.5;
    vertical-align: middle;
}

.cf-th-sortable:hover .cf-sort-icon {
    opacity: 1;
}

/* 表格行 */
.cf-row {
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background var(--transition-fast);
}

.cf-row:last-child {
    border-bottom: none;
}

.cf-row:hover {
    background: var(--color-secondary-muted);
}

/* 單元格 */
.cf-table td {
    padding: 12px 16px;
    vertical-align: middle;
}

.cf-td-checkbox {
    width: 40px;
    text-align: center !important;
}

.cf-table input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

/* 用戶單元格 */
.cf-user-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cf-user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #ff7a3d 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
}

.cf-user-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cf-user-name {
    font-weight: 500;
    color: var(--color-text-primary);
}

.cf-user-email {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* 角色標籤 */
.cf-role-tag {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.cf-role-admin {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.cf-role-user {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

.cf-role-moderator {
    background: rgba(168, 85, 247, 0.1);
    color: #9333ea;
}

/* 方案單元格 */
.cf-plan-cell {
    color: var(--color-text-secondary);
}

/* 狀態單元格 */
.cf-status-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cf-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.cf-status-dot.active {
    background: var(--color-success);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

.cf-status-dot.inactive {
    background: var(--color-text-muted);
}

.cf-status-text {
    color: var(--color-text-secondary);
}

/* 日期單元格 */
.cf-date-cell {
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
}

/* 動作單元格 */
.cf-action-cell {
    text-align: right;
}

.cf-action-link {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.cf-action-link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

/* 空狀態 */
.cf-empty-state {
    text-align: center;
    padding: 60px 20px !important;
}

.cf-empty-icon {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.cf-empty-state p {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Cloudflare 風格分頁 */
.cf-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border-subtle);
    margin-top: var(--spacing-md);
}

.cf-page-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cf-page-btn:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.cf-page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.cf-page-info {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* 篩選面板 */
.cf-filter-panel {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-secondary-muted);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.cf-filter-panel.hidden {
    display: none;
}

.cf-filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cf-filter-group label {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.cf-filter-group select {
    padding: 6px 12px;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cf-filter-group select:hover {
    border-color: var(--color-accent);
}

.cf-filter-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.cf-filter-clear {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: auto;
}

.cf-filter-clear:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* 批量操作欄 */
.cf-batch-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-secondary-muted) 0%, var(--color-secondary-muted) 100%);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.cf-batch-count {
    font-size: 14px;
    color: var(--color-text-primary);
}

.cf-batch-count strong {
    color: var(--color-accent);
    font-weight: 600;
}

.cf-batch-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cf-batch-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.cf-batch-btn.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border-color: rgba(16, 185, 129, 0.2);
}

.cf-batch-btn.success:hover {
    background: var(--color-success);
    color: white;
}

.cf-batch-btn.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border-color: rgba(245, 158, 11, 0.2);
}

.cf-batch-btn.warning:hover {
    background: var(--color-warning);
    color: white;
}

.cf-batch-btn.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.cf-batch-btn.danger:hover {
    background: var(--color-danger);
    color: white;
}

/* 排序圖示旋轉 */
.cf-th-sortable.asc .cf-sort-icon {
    transform: rotate(180deg);
}

.cf-th-sortable.active {
    color: var(--color-accent);
}

.cf-th-sortable.active .cf-sort-icon {
    opacity: 1;
}

/* ========================================
   方案管理 CRUD 樣式
   ======================================== */

/* 工具欄 */
.admin-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.admin-toolbar .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* 層級徽章 */
.tier-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tier-badge.tier-free {
    background: rgba(168, 162, 158, 0.2);
    color: var(--color-text-muted);
}

.tier-badge.tier-pro {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.tier-badge.tier-enterprise {
    background: rgba(168, 85, 247, 0.2);
    color: #a78bfa;
}

.tier-badge.tier-max {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

/* 操作按鈕組 */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.btn-icon.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

/* Admin Modal 樣式（用於訂閱管理等） */
.admin-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.admin-modal-overlay .modal-content {
    background: var(--color-bg-secondary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 1001;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

/* Modal 表單樣式 */
#planForm {
    padding: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input[readonly] {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-tertiary);
    cursor: not-allowed;
}

.form-group small {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    margin-top: 1.5rem;
}

/* 按鈕樣式 */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Toast 通知 */
.admin-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.admin-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.admin-toast.toast-success {
    background: var(--color-success);
    color: white;
}

.admin-toast.toast-error {
    background: var(--color-danger);
    color: white;
}

.admin-toast.toast-info {
    background: var(--color-accent);
    color: white;
}

/* 狀態徽章可點擊樣式 */
.status-badge[onclick] {
    cursor: pointer;
}

.status-badge[onclick]:hover {
    filter: brightness(1.2);
}

/* 代碼樣式 */
.admin-table code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
}


/* ==========================================================================
   訂閱管理樣式
   ========================================================================== */

/* 過濾器群組 */
.filter-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 120px;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-light);
}

/* 工具列資訊 */
.toolbar-info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* 用戶資訊單元格 */
.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-info strong {
    font-weight: 600;
    color: var(--color-text-primary);
}

.user-info small {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* 方案徽章 */
.plan-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

/* 訂閱狀態徽章擴展 */
.status-badge.trialing {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.status-badge.paused {
    background: rgba(120, 113, 108, 0.15);
    color: var(--color-text-tertiary);
}

/* 詳情網格 */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
}

.detail-item label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.detail-item span {
    font-size: 0.9rem;
    color: var(--color-text-primary);
    word-break: break-all;
}

.detail-item code {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
}

/* Modal 尺寸變體 */
.modal-sm {
    max-width: 400px;
}

/* 表單樣式增強 */
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    min-height: 80px;
}

.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent-light);
}

.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

/* 空狀態 */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* 必填標記 */
.required {
    color: var(--color-danger);
}


/* ============================================
   聊天記錄模組樣式
   ============================================ */

/* Modal 樣式 */
.chat-history-modal .modal-content {
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.chat-history-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.chat-history-modal .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.chat-history-modal .modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
}

/* 對話列表 */
.chat-history-list {
    min-height: 200px;
}

.chat-history-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--color-text-muted);
}

.chat-history-loading .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.chat-history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--color-text-muted);
    text-align: center;
}

.chat-history-empty svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* 對話項目 */
.chat-history-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s;
}

.chat-history-item:hover {
    background-color: var(--color-bg-secondary);
}

.chat-history-item-content {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.chat-history-item-title {
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.chat-history-item-meta {
    display: flex;
    gap: 1rem;
    font-size: 12px;
    color: var(--color-text-muted);
}

.chat-history-item-actions {
    display: flex;
    gap: 8px;
    margin-left: 1rem;
}

.chat-history-item-actions .btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.chat-history-item-actions .btn-icon svg {
    width: 16px;
    height: 16px;
}

.chat-history-item-actions .btn-continue {
    color: var(--color-accent);
}

.chat-history-item-actions .btn-continue:hover {
    background-color: var(--color-secondary-subtle);
}

.chat-history-item-actions .btn-delete {
    color: var(--color-text-muted);
}

.chat-history-item-actions .btn-delete:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

/* 分頁 */
.chat-history-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
}

.chat-history-pagination .page-info {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* 使用量資訊 */
.chat-history-usage .usage-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-history-usage .usage-label {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.chat-history-usage .usage-value {
    color: var(--color-text-muted);
}

.chat-history-usage .usage-bar {
    height: 6px;
    background: var(--color-bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.chat-history-usage .usage-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.chat-history-usage .usage-bar-fill.normal {
    background: var(--color-accent);
}

.chat-history-usage .usage-bar-fill.warning {
    background: #f59e0b;
}

.chat-history-usage .usage-bar-fill.danger {
    background: #dc2626;
}

.chat-history-usage .usage-percentage {
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: right;
}

/* 對話詳情 */
.chat-detail {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.chat-detail-header h3 {
    flex: 1;
    margin: 0;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-detail-header .btn-text {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-muted);
    font-size: 14px;
    background: none;
    border: none;
    cursor: pointer;
}

.chat-detail-header .btn-text:hover {
    color: var(--color-accent);
}

.chat-messages {
    flex: 1;
    /* 移除 overflow-y，讓滾動條出現在 .chat-panel（視窗最右邊） */
    padding: var(--spacing-xl) var(--spacing-2xl);
    /* 底部增加 padding,避免內容被輸入框遮住 */
    padding-bottom: 300px;
}

.chat-message {
    display: flex;
    gap: 12px;
    margin-bottom: 1rem;
}

.chat-message .message-avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.chat-message .message-content {
    flex: 1;
    background: var(--color-bg-secondary);
    padding: 12px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.chat-message.user .message-content {
    background: var(--color-accent);
    color: white;
}

.chat-message .message-time {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.chat-message.user {
    flex-direction: row-reverse;
}

.chat-message.user .message-time {
    text-align: right;
}

.no-messages {
    text-align: center;
    color: var(--color-text-muted);
    padding: 2rem;
}

/* Modal 尺寸 */
.modal-medium .modal-content {
    width: 90%;
    max-width: 600px;
}
/* ==========================================================================
   AI 使用統計頁面樣式
   ========================================================================== */

/* AI 使用統計頁面容器 */
#aiUsageContainer {
    padding: 1.5rem;
}

/* AI 統計卡片區域 */
.ai-usage-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-usage-stats .stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.ai-usage-stats .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-usage-stats .stat-icon svg {
    width: 24px;
    height: 24px;
}

.ai-usage-stats .stat-icon.conversations {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.ai-usage-stats .stat-icon.tokens {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.ai-usage-stats .stat-icon.cost {
    background: var(--color-secondary-subtle);
    color: var(--color-accent);
}

.ai-usage-stats .stat-icon.active-users {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.ai-usage-stats .stat-content {
    flex: 1;
}

.ai-usage-stats .stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.ai-usage-stats .stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.ai-usage-stats .stat-change {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 6px;
}

/* AI 圖表區域 */
.ai-usage-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ai-usage-charts .chart-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.25rem;
}

.ai-usage-charts .chart-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--color-text);
}

.ai-usage-charts .no-data {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* AI 對話區域 */
.ai-conversations-section,
.ai-pricing-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
}

/* AI 對話表格樣式增強 */
.user-info-small {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-info-small .user-email {
    font-size: 0.875rem;
    color: var(--color-text);
}

.user-info-small .user-name {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.conv-title {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.token-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.cost-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--color-secondary-subtle);
    color: var(--color-accent);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: monospace;
}

/* 對話詳情 Modal 樣式 */
.conv-detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.conv-detail-stats .stat-item {
    text-align: center;
}

.conv-detail-stats .stat-item label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.conv-detail-stats .stat-item span {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.conv-detail-stats .cost-highlight {
    color: #f97316 !important;
    font-size: 1rem !important;
}

/* 對話訊息列表 */
.conv-messages h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--color-text);
}

.messages-list {
    max-height: 400px;
    overflow-y: auto;
}

.message-item {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    background: var(--color-bg-secondary);
}

.message-item.user {
    background: rgba(59, 130, 246, 0.1);
    border-left: 3px solid #3b82f6;
}

.message-item.assistant {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid #22c55e;
}

.message-item .message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.message-item .message-role {
    font-size: 0.875rem;
    font-weight: 600;
}

.message-item .message-meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: monospace;
}

.message-item .message-content {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
}

.message-item .message-footer {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    text-align: right;
}

/* 定價表格樣式 */
.provider-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.provider-badge.provider-anthropic {
    background: var(--color-secondary-subtle);
    color: var(--color-accent);
}

.provider-badge.provider-openai {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.provider-badge.provider-deepseek {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.price-input {
    width: 120px;
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    font-family: monospace;
}

.price-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* 對話篩選 */
.conversations-filter {
    margin-bottom: 1rem;
}

.conversations-filter input {
    width: 100%;
    max-width: 300px;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
}

.conversations-filter input:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Modal 大尺寸 */
.modal-content.modal-lg {
    width: 95%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
}



/* ==========================================================================
   通知中心側邊面板
   ========================================================================== */
.notification-center {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    background: var(--color-bg-primary, #fff);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.notification-center.open {
    transform: translateX(0);
}

.notification-header {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-subtle, #e5e7eb);
    flex-shrink: 0;
}

.notification-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.notification-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
}

.notification-item:hover {
    background: var(--color-bg-secondary, #f9fafb);
}

.notification-item.unread {
    background: var(--color-secondary-subtle, rgba(255, 107, 53, 0.04));
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}

.notification-message {
    margin: 0;
    font-size: 13px;
    color: var(--brand-text-secondary, #6b7280);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-time {
    font-size: 12px;
    color: var(--brand-text-secondary, #9ca3af);
    margin-top: 4px;
    display: block;
}

.unread-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent, #ff6b35);
    flex-shrink: 0;
    margin-top: 6px;
}

.notification-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--brand-text-secondary, #9ca3af);
}

.notification-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.notification-item.new {
    animation: notif-slide-in 0.3s ease;
}

@keyframes notif-slide-in {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   通知面板圖示樣式
   ========================================================================== */
.notification-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    max-width: 36px;
    max-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.notification-icon svg {
    width: 20px !important;
    height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
}

.notification-icon.subscription {
    background: var(--color-secondary-subtle);
    color: var(--color-accent);
}

.notification-icon.usage {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

.notification-icon.system {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.notification-icon.promotion {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

/* ==========================================================================
   AI 學習分析頁面樣式
   ========================================================================== */

/* 主容器 */
.ai-learning-container {
    padding: 1.5rem;
    max-width: 100%;
}

/* 區塊基礎樣式 */
.ai-learning-section {
    margin-bottom: 1.5rem;
}

/* ==================== 統計卡片區域 ==================== */
.ai-learning-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-learning-stat-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all var(--transition-fast);
}

.ai-learning-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-default);
}

.ai-learning-stat-card .stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.ai-learning-stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.25rem;
}

.ai-learning-stat-card .stat-icon.total {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.ai-learning-stat-card .stat-icon.success {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.ai-learning-stat-card .stat-icon.failure {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.ai-learning-stat-card .stat-icon.pending {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.ai-learning-stat-card .stat-icon.rate {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.ai-learning-stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.ai-learning-stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

.ai-learning-stat-card .stat-change {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.ai-learning-stat-card .stat-change.positive {
    color: var(--color-success);
}

.ai-learning-stat-card .stat-change.negative {
    color: var(--color-danger);
}

/* Layer 分佈統計 */
.layer-distribution {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.layer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.layer-badge.layer-1 {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.layer-badge.layer-2 {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.layer-badge.layer-3 {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.layer-badge.layer-4 {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ==================== 圖表區域 ==================== */
.ai-learning-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ai-learning-chart-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.ai-learning-chart-card .chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.ai-learning-chart-card .chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.ai-learning-growth-chart,
.ai-learning-layer-chart {
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-learning-growth-chart canvas,
.ai-learning-layer-chart canvas {
    max-width: 100%;
}

/* ==================== 失敗分析區塊 ==================== */
.ai-learning-failures-section,
.failure-analysis-section {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.ai-learning-failures-section h3,
.failure-analysis-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.failure-patterns-table {
    width: 100%;
    border-collapse: collapse;
}

.failure-patterns-table th,
.failure-patterns-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-subtle);
}

.failure-patterns-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-secondary-muted);
}

.failure-patterns-table th:first-child {
    border-radius: var(--radius-md) 0 0 0;
}

.failure-patterns-table th:last-child {
    border-radius: 0 var(--radius-md) 0 0;
}

.failure-patterns-table tbody tr:hover {
    background: var(--color-secondary-muted);
}

.failure-patterns-table tbody tr:last-child td {
    border-bottom: none;
}

.failure-patterns-table td {
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

/* ==================== 向量檢索測試區塊 ==================== */
.ai-learning-vector-test-section,
.vector-search-section {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.ai-learning-vector-test-section h3,
.vector-search-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vector-test-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.vector-test-form .form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.vector-test-form .form-row > * {
    flex: 1;
}

.vector-test-form input[type="text"],
.vector-test-form input[type="number"],
.vector-test-form select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.vector-test-form input:focus,
.vector-test-form select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.vector-test-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.375rem;
}

.vector-test-form button {
    padding: 0.625rem 1.25rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.vector-test-form button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.vector-test-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 向量搜尋結果 */
.vector-search-results {
    margin-top: 1rem;
}

.search-result-item {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.search-result-item:last-child {
    margin-bottom: 0;
}

.search-result-item .result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-secondary-muted);
    border-bottom: 1px solid var(--color-border-subtle);
}

.search-result-item .result-header .similarity {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.search-result-item .result-content {
    padding: 0.75rem 1rem;
}

.search-result-item .result-content p {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.search-result-item .result-content p:last-child {
    margin-bottom: 0;
}

.search-result-item .result-content strong {
    color: var(--color-text-primary);
}

/* 程式碼區塊 */
.code-block {
    background: #1e1e1e;
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 0.5rem;
    overflow-x: auto;
    color: #e0e0e0;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}

.code-block.dsl-code,
.code-block.ast-code {
    color: #9cdcfe;
    margin: 0;
}

/* ==================== 學習記錄區塊 ==================== */
.ai-learning-records-section,
.ai-learning-records {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.ai-learning-records-section h3,
.ai-learning-records h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 工具列 */
.ai-learning-records-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.ai-learning-records-toolbar select,
.ai-learning-records-toolbar input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 0.875rem;
}

.ai-learning-records-toolbar select:focus,
.ai-learning-records-toolbar input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.ai-learning-records-toolbar .btn-refresh {
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: all var(--transition-fast);
}

.ai-learning-records-toolbar .btn-refresh:hover {
    background: var(--color-accent-hover);
}

/* 記錄表格 */
.ai-learning-records-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.ai-learning-records-table th,
.ai-learning-records-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-subtle);
}

.ai-learning-records-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-secondary-muted);
}

.ai-learning-records-table th:first-child {
    border-radius: var(--radius-md) 0 0 0;
}

.ai-learning-records-table th:last-child {
    border-radius: 0 var(--radius-md) 0 0;
}

.ai-learning-records-table tbody tr {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-learning-records-table tbody tr:hover {
    background: var(--color-secondary-muted);
}

.ai-learning-records-table tbody tr:last-child td {
    border-bottom: none;
}

.ai-learning-records-table td {
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

.ai-learning-records-table .query-cell {
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 狀態徽章 */
.success-badge,
.failure-badge,
.pending-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.success-badge {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.failure-badge {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.pending-badge {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* 分頁 */
.ai-learning-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.ai-learning-pagination button {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-learning-pagination button:hover:not(:disabled) {
    background: var(--color-secondary-muted);
    border-color: var(--color-accent);
}

.ai-learning-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ai-learning-pagination button.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.ai-learning-pagination .page-info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: 0 0.5rem;
}

/* ==================== 記錄詳情 Modal ==================== */
.ai-learning-record-modal,
.record-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
}

.ai-learning-record-modal.active,
.record-detail-modal.active {
    display: block;
}

.ai-learning-record-modal .modal-overlay,
.record-detail-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.ai-learning-record-modal .modal-content,
.record-detail-modal .modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ai-learning-record-modal .modal-header,
.record-detail-modal .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border-subtle);
}

.ai-learning-record-modal .modal-header h3,
.record-detail-modal .modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.ai-learning-record-modal .modal-close,
.record-detail-modal .modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ai-learning-record-modal .modal-close:hover,
.record-detail-modal .modal-close:hover {
    background: var(--color-secondary-subtle);
    color: var(--color-text-primary);
}

.ai-learning-record-modal .modal-body,
.record-detail-modal .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

/* 詳情網格 */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-item label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-item span,
.detail-item p {
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin: 0;
}

.detail-item.full-width {
    grid-column: 1 / -1;
}

/* 錯誤區塊 */
.error-block {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
}

.error-block h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: #ef4444;
}

.error-block pre {
    margin: 0;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8125rem;
    color: var(--color-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ==================== 載入狀態 ==================== */
.ai-learning-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    min-height: 200px;
}

.ai-learning-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border-strong);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.ai-learning-loading p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* 空狀態 */
.ai-learning-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.ai-learning-empty .empty-icon {
    width: 64px;
    height: 64px;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.ai-learning-empty h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.ai-learning-empty p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   歧義產業確認對話框 (V4.5.0)
   ========================================================================== */

.industry-confirmation-dialog {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-border-default);
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.industry-confirmation-dialog.fade-out {
    animation: fadeOutDown 0.3s ease forwards;
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

.industry-confirmation-dialog .dialog-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    color: var(--color-text-primary);
}

.industry-confirmation-dialog .dialog-icon {
    font-size: 1.25rem;
}

.industry-confirmation-dialog .dialog-title {
    font-size: var(--font-size-md);
}

.industry-confirmation-dialog .candidates-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.industry-candidate-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    width: 100%;
    font-family: inherit;
    font-size: var(--font-size-md);
}

.industry-candidate-btn:hover,
.industry-candidate-btn.hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
}

.industry-candidate-btn:hover .industry-desc,
.industry-candidate-btn:hover .stock-count,
.industry-candidate-btn.hover .industry-desc,
.industry-candidate-btn.hover .stock-count {
    color: rgba(255, 255, 255, 0.9);
}

.industry-candidate-btn .industry-name {
    font-weight: 600;
    min-width: 100px;
    color: var(--color-text-primary);
}

.industry-candidate-btn:hover .industry-name,
.industry-candidate-btn.hover .industry-name {
    color: white;
}

.industry-candidate-btn .industry-desc {
    color: var(--color-text-secondary);
    flex: 1;
    font-size: var(--font-size-sm);
}

.industry-candidate-btn .stock-count {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.industry-confirmation-dialog .dialog-hint {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-subtle);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

/* 產業選擇確認狀態 */
.industry-confirmation-dialog.confirmed {
    background: var(--color-bg-secondary);
    border-color: var(--color-accent);
    animation: none;
}

.industry-selection-confirmed {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-primary);
}

.industry-selection-confirmed .confirm-icon {
    font-size: 1.2em;
}

.industry-selection-confirmed .confirm-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.industry-selection-confirmed strong {
    color: var(--color-accent);
    font-weight: 600;
}

/* 響應式設計 */
@media (max-width: 480px) {
    .industry-candidate-btn {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .industry-candidate-btn .industry-name {
        min-width: auto;
        width: 100%;
    }

    .industry-candidate-btn .industry-desc {
        width: 100%;
        order: 2;
    }

    .industry-candidate-btn .stock-count {
        order: 1;
    }
}

/* ==========================================================================
   追問釐清對話框 (v20.3.0)
   ========================================================================== */

.clarification-dialog {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-border-default);
    animation: fadeInUp 0.3s ease;
    text-align: center;
}

.clarification-dialog .dialog-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
}

.clarification-dialog .dialog-icon {
    font-size: 1.25rem;
}

.clarification-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.clarification-option-btn {
    display: block;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.clarification-option-btn:hover {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
}

.clarification-option-btn .option-label {
    font-weight: 500;
}

.clarification-dialog .dialog-hint {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-subtle);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

.clarification-dialog.confirmed {
    background: var(--color-bg-secondary);
    border-color: var(--color-accent);
    animation: none;
}

.clarification-selection-confirmed {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-primary);
}

.clarification-selection-confirmed .confirm-icon {
    font-size: 1.2em;
}

.clarification-selection-confirmed .confirm-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.clarification-selection-confirmed strong {
    color: var(--color-accent);
    font-weight: 600;
}

.clarification-option-btn.fade-in {
    animation: clarificationFadeIn 0.3s ease forwards;
    opacity: 0;
}

@keyframes clarificationFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .clarification-option-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ==========================================================================
   口語化驗證說明區塊 (2026-02-02)
   ========================================================================== */
.verification-explain {
    margin-top: 12px;
    padding: 10px 14px;
    background: var(--color-secondary-muted);
    border-left: 3px solid var(--color-secondary);
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    line-height: 1.8;
}

.verification-content {
    color: var(--color-text-primary);
}

.verification-content .bullet {
    color: var(--color-accent);
    font-weight: bold;
    margin-right: 4px;
}

/* 驗證說明標題區 */
.verification-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 0;
    border-bottom: none;
}

/* 股票名稱 Badge */
.stock-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background: var(--color-secondary-subtle);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    border-radius: 12px;
    border: 1px solid var(--color-border-strong);
}

.verification-label {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

/* 深色模式支援 */
[data-theme="dark"] .verification-explain {
    background: var(--color-secondary-muted);
    border-left-color: var(--color-secondary);
}

[data-theme="dark"] .verification-content {
    color: #d6d3d1;
}

[data-theme="dark"] .stock-badge {
    background: var(--color-secondary-subtle);
    color: #fb923c;
    border-color: var(--color-border-strong);
}

[data-theme="dark"] .verification-label {
    color: #a8a29e;
}

[data-theme="dark"] .verification-header {
    border-bottom: none;
}

/* ==========================================================================
   超出範圍建議按鈕樣式
   ========================================================================== */
.suggestion-section {
    margin-top: 12px;
}

.suggestion-section p {
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    font-size: 14px;
}

.suggestion-chips {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.suggestion-chip {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    background: var(--color-bg-secondary, #f5f5f5);
    border: 1px solid var(--color-bg-tertiary, #e0e0e0);
    border-radius: 20px;
    color: var(--color-text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-family: inherit;
}

.suggestion-chip:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.suggestion-chip:active {
    transform: scale(0.98);
}

/* 深色模式 */
[data-theme="dark"] .suggestion-section p {
    color: #a8a29e;
}

[data-theme="dark"] .suggestion-chip {
    background: #292524;
    border-color: #44403c;
    color: #e7e5e4;
}

[data-theme="dark"] .suggestion-chip:hover {
    background: var(--color-secondary-subtle);
    border-color: #EA580C;
    color: #FB923C;
}