/**
 * 編輯選股條件視窗 - 品牌橘色系設計
 * 全屏 Overlay + 單頁捲動式佈局
 */

/* =====================================================
   CSS 變數 - 繼承品牌設計系統
   ===================================================== */

:root {
    /* 主色系 */
    --fpm-primary: var(--color-accent);
    --fpm-primary-hover: var(--color-accent-hover);
    --fpm-primary-light: var(--color-accent-subtle);
    --fpm-primary-lighter: var(--primitive-orange-50);

    /* 背景色 */
    --fpm-bg: var(--color-bg-page);
    --fpm-card-bg: var(--color-bg-secondary);
    --fpm-condition-bg: var(--color-bg-secondary);

    /* 文字色 */
    --fpm-text: var(--color-text-primary);
    --fpm-text-secondary: var(--color-text-tertiary);
    --fpm-text-muted: var(--color-text-muted);

    /* 邊框 */
    --fpm-border: var(--color-border-subtle);
    --fpm-border-hover: var(--color-accent-subtle);
    --fpm-border-solid: var(--color-border-default);

    /* 圓角 */
    --fpm-radius-sm: 6px;
    --fpm-radius-md: 12px;
    --fpm-radius-lg: 20px;

    /* 陰影 */
    --fpm-shadow-sm: var(--shadow-sm);
    --fpm-shadow-md: var(--shadow-md);
    --fpm-shadow-lg: var(--shadow-lg);

    /* 動畫 */
    --fpm-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Slider */
    --fpm-slider-track: var(--color-border-default);
    --fpm-slider-fill: linear-gradient(90deg, var(--color-accent), var(--primitive-orange-300));
}

/* =====================================================
   全屏 Overlay
   ===================================================== */

.fpm-overlay {
    position: fixed;
    inset: 0;
    background: var(--fpm-bg);
    z-index: 1100;
    display: none;
    flex-direction: column;
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

.fpm-overlay.show {
    display: flex;
    animation: fpmSlideUp 0.3s ease-out;
}

@keyframes fpmSlideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fpmSlideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

.fpm-overlay.closing {
    animation: fpmSlideDown 0.25s ease-in forwards;
}

/* =====================================================
   固定頂部列
   ===================================================== */

.fpm-header {
    height: 56px;
    background: var(--fpm-card-bg);
    border-bottom: 1px solid var(--fpm-border);
    box-shadow: var(--fpm-shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.fpm-back-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--fpm-text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--fpm-transition);
}

.fpm-back-btn:hover {
    background: var(--fpm-primary-lighter);
    color: var(--fpm-primary);
}

.fpm-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--fpm-text);
    margin: 0;
    flex: 1;
    text-align: center;
}

.fpm-title span {
    color: var(--fpm-primary);
}

.fpm-header-actions {
    display: flex;
    gap: 8px;
}

/* =====================================================
   按鈕樣式
   ===================================================== */

.fpm-btn-primary {
    background: linear-gradient(135deg, var(--fpm-primary) 0%, var(--fpm-primary-hover) 100%);
    color: white;
    border: none;
    border-radius: var(--fpm-radius-lg);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--fpm-shadow-md);
    transition: all var(--fpm-transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.fpm-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--fpm-shadow-lg);
}

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

.fpm-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.fpm-btn-secondary {
    background: transparent;
    color: var(--fpm-text-secondary);
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-lg);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--fpm-transition);
}

.fpm-btn-secondary:hover {
    background: var(--fpm-primary-lighter);
    border-color: var(--fpm-primary);
    color: var(--fpm-primary);
}

.fpm-reset-btn,
.fpm-add-btn {
    background: transparent;
    color: var(--fpm-text-secondary);
    border: none;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    border-radius: var(--fpm-radius-sm);
    transition: all var(--fpm-transition);
}

.fpm-reset-btn:hover,
.fpm-add-btn:hover {
    background: var(--fpm-primary-lighter);
    color: var(--fpm-primary);
}

/* =====================================================
   可捲動內容區
   ===================================================== */

.fpm-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* 置中容器 */
.fpm-content > section {
    max-width: 800px;
    margin: 0 auto 24px;
}

.fpm-bottom-spacer {
    height: 80px;
}

/* =====================================================
   區塊卡片
   ===================================================== */

.fpm-section {
    background: var(--fpm-card-bg);
    border: 1px solid var(--fpm-border);
    border-radius: var(--fpm-radius-md);
    box-shadow: var(--fpm-shadow-sm);
    overflow: hidden;
}

.fpm-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px dashed var(--fpm-border);
}

.fpm-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--fpm-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.fpm-section-icon {
    font-size: 16px;
}

.fpm-section-body {
    padding: 20px;
}

/* =====================================================
   策略摘要區塊
   ===================================================== */

.fpm-summary-row {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.fpm-summary-row:last-child {
    margin-bottom: 0;
}

.fpm-summary-label {
    flex-shrink: 0;
    width: 72px;
    font-size: 13px;
    font-weight: 500;
    color: var(--fpm-text-secondary);
}

.fpm-summary-value {
    font-size: 14px;
    color: var(--fpm-text);
    word-break: break-word;
}

.fpm-summary-value:empty::after {
    content: '無';
    color: var(--fpm-text-muted);
    font-style: italic;
}

/* =====================================================
   選股參數區塊 - 條件卡片
   ===================================================== */

.fpm-conditions-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fpm-condition-card {
    background: var(--fpm-condition-bg);
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    padding: 16px;
    transition: all var(--fpm-transition);
}

.fpm-condition-card:hover {
    border-color: var(--fpm-border-hover);
}

.fpm-condition-card:focus-within {
    border-color: var(--fpm-primary);
    box-shadow: 0 0 0 3px var(--fpm-primary-light);
}

.fpm-condition-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.fpm-condition-number {
    width: 24px;
    height: 24px;
    background: var(--fpm-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

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

.fpm-condition-fixed {
    margin-left: auto;
    background: #F5F3EE;
    color: #A8A29E;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.fpm-condition-body {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.fpm-condition-text {
    font-size: 14px;
    color: var(--fpm-text);
}

/* 參數輸入區 */
.fpm-param-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fpm-param-input {
    width: 80px;
    height: 36px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--fpm-text);
    background: var(--fpm-card-bg);
    transition: all var(--fpm-transition);
}

.fpm-param-input:hover {
    border-color: var(--fpm-border-hover);
}

.fpm-param-input:focus {
    outline: none;
    border-color: var(--fpm-primary);
    box-shadow: 0 0 0 3px var(--fpm-primary-light);
}

/* 隱藏 number input 的箭頭 */
.fpm-param-input[type="number"]::-webkit-outer-spin-button,
.fpm-param-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.fpm-param-input[type="number"] {
    -moz-appearance: textfield;
}

/* +/- Stepper 按鈕 */
.fpm-stepper-btn {
    width: 32px;
    height: 32px;
    background: var(--fpm-primary-lighter);
    color: var(--fpm-primary);
    border: none;
    border-radius: var(--fpm-radius-sm);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--fpm-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fpm-stepper-btn:hover {
    background: #FFEDD5;
}

.fpm-stepper-btn:active {
    background: var(--fpm-primary);
    color: white;
}

.fpm-param-unit {
    font-size: 13px;
    color: var(--fpm-text-secondary);
}

/* Slider 滑桿 */
.fpm-slider-container {
    width: 100%;
    margin-top: 12px;
    padding: 0 4px;
}

.fpm-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--fpm-slider-track);
    border-radius: 2px;
    outline: none;
}

.fpm-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: white;
    border: 2px solid var(--fpm-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all var(--fpm-transition);
}

.fpm-slider::-webkit-slider-thumb:hover,
.fpm-slider::-webkit-slider-thumb:active {
    width: 20px;
    height: 20px;
    background: var(--fpm-primary);
    border-color: white;
}

.fpm-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: white;
    border: 2px solid var(--fpm-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.fpm-slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-size: 11px;
    color: var(--fpm-text-muted);
}

/* 下拉選單 */
.fpm-param-select {
    padding: 8px 12px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    font-size: 14px;
    background: var(--fpm-card-bg);
    color: var(--fpm-text);
    cursor: pointer;
    transition: all var(--fpm-transition);
}

.fpm-param-select:focus {
    outline: none;
    border-color: var(--fpm-primary);
    box-shadow: 0 0 0 3px var(--fpm-primary-light);
}

/* =====================================================
   報價欄位區塊
   ===================================================== */

.fpm-outputfields-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fpm-outputfield-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--fpm-card-bg);
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    transition: all var(--fpm-transition);
}

.fpm-outputfield-item:hover {
    border-color: var(--fpm-border-hover);
}

.fpm-outputfield-item.dragging {
    opacity: 0.8;
    background: var(--fpm-primary-lighter);
    border-color: var(--fpm-primary);
    box-shadow: var(--fpm-shadow-lg);
    transform: rotate(1deg);
}

.fpm-outputfield-item.drag-over {
    border-color: var(--fpm-primary);
    border-style: dashed;
}

.fpm-drag-handle {
    color: #D6D3CE;
    cursor: grab;
    padding: 4px;
    transition: color var(--fpm-transition);
}

.fpm-drag-handle:hover {
    color: var(--fpm-primary);
}

.fpm-drag-handle:active {
    cursor: grabbing;
}

.fpm-field-order {
    width: 24px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--fpm-text-secondary);
}

.fpm-field-label-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    padding: 8px;
    border-radius: var(--fpm-radius-sm);
    color: var(--fpm-text);
    transition: all var(--fpm-transition);
}

.fpm-field-label-input:hover {
    background: var(--fpm-condition-bg);
}

.fpm-field-label-input:focus {
    outline: none;
    background: var(--fpm-card-bg);
    box-shadow: inset 0 0 0 1px var(--fpm-primary);
}

.fpm-field-variable {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    color: var(--fpm-text-muted);
    background: #F5F3EE;
    padding: 4px 8px;
    border-radius: 4px;
}

.fpm-btn-delete {
    color: #D6D3CE;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: var(--fpm-radius-sm);
    transition: all var(--fpm-transition);
}

.fpm-btn-delete:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

.fpm-hint {
    margin-top: 16px;
    font-size: 12px;
    color: var(--fpm-text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.fpm-hint i {
    color: var(--fpm-primary);
}

/* =====================================================
   走勢圖指標區塊
   ===================================================== */

.fpm-chartfields-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fpm-chartfield-card {
    background: var(--fpm-condition-bg);
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    padding: 16px;
    transition: all var(--fpm-transition);
}

.fpm-chartfield-card:hover {
    border-color: var(--fpm-border-hover);
}

.fpm-chartfield-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.fpm-chartfield-panel-select {
    padding: 6px 10px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    font-size: 13px;
    background: var(--fpm-card-bg);
    color: var(--fpm-text);
    cursor: pointer;
}

.fpm-chartfield-panel-select:focus {
    outline: none;
    border-color: var(--fpm-primary);
}

.fpm-chartfield-label-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 15px;
    font-weight: 500;
    color: var(--fpm-text);
    padding: 4px 8px;
    border-radius: var(--fpm-radius-sm);
}

.fpm-chartfield-label-input:hover {
    background: rgba(0, 0, 0, 0.02);
}

.fpm-chartfield-label-input:focus {
    outline: none;
    background: var(--fpm-card-bg);
    box-shadow: inset 0 0 0 1px var(--fpm-primary);
}

.fpm-chartfield-body {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.fpm-chartfield-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--fpm-text-secondary);
}

.fpm-color-picker {
    width: 28px;
    height: 28px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    cursor: pointer;
    padding: 0;
}

.fpm-color-picker::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.fpm-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 3px;
}

.fpm-type-select {
    padding: 6px 10px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    font-size: 13px;
    background: var(--fpm-card-bg);
    color: var(--fpm-text);
    cursor: pointer;
}

.fpm-type-select:focus {
    outline: none;
    border-color: var(--fpm-primary);
}

/* 啟用開關 */
.fpm-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--fpm-primary);
    cursor: pointer;
}

/* =====================================================
   子 Modal（新增欄位/指標）
   ===================================================== */

.fpm-sub-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
}

.fpm-sub-modal.show {
    display: flex;
    animation: fpmFadeIn 0.2s ease-out;
}

@keyframes fpmFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fpm-sub-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.fpm-sub-modal-content {
    position: relative;
    background: var(--fpm-card-bg);
    border-radius: var(--fpm-radius-md);
    width: 90%;
    max-width: 400px;
    box-shadow: var(--fpm-shadow-lg);
    animation: fpmScaleIn 0.2s ease-out;
}

@keyframes fpmScaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.fpm-sub-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--fpm-border);
}

.fpm-sub-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--fpm-text);
    margin: 0;
}

.fpm-sub-modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--fpm-text-muted);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--fpm-transition);
}

.fpm-sub-modal-close:hover {
    background: var(--fpm-primary-lighter);
    color: var(--fpm-primary);
}

.fpm-sub-modal-body {
    padding: 20px;
}

.fpm-sub-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--fpm-border);
}

/* 表單元素 */
.fpm-form-group {
    margin-bottom: 16px;
}

.fpm-form-group:last-child {
    margin-bottom: 0;
}

.fpm-form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--fpm-text-secondary);
    margin-bottom: 8px;
}

.fpm-form-input,
.fpm-form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    font-size: 14px;
    color: var(--fpm-text);
    background: var(--fpm-card-bg);
    transition: all var(--fpm-transition);
}

.fpm-form-input:focus,
.fpm-form-select:focus {
    outline: none;
    border-color: var(--fpm-primary);
    box-shadow: 0 0 0 3px var(--fpm-primary-light);
}

.fpm-form-color {
    width: 100%;
    height: 40px;
    padding: 4px;
    border: 1px solid var(--fpm-border-solid);
    border-radius: var(--fpm-radius-sm);
    cursor: pointer;
}

/* =====================================================
   Loading 狀態
   ===================================================== */

.fpm-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--fpm-text-muted);
    gap: 12px;
}

.fpm-loading i {
    font-size: 24px;
    color: var(--fpm-primary);
}

/* =====================================================
   空狀態
   ===================================================== */

.fpm-empty-state {
    text-align: center;
    padding: 40px;
    color: var(--fpm-text-muted);
}

.fpm-empty-state i {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.fpm-empty-state p {
    margin: 0;
    font-size: 14px;
}

/* =====================================================
   響應式調整
   ===================================================== */

@media (max-width: 768px) {
    .fpm-header {
        padding: 0 16px;
    }

    .fpm-title {
        font-size: 14px;
    }

    .fpm-btn-primary,
    .fpm-btn-secondary {
        padding: 8px 16px;
        font-size: 13px;
    }

    .fpm-content {
        padding: 16px;
    }

    .fpm-section-body {
        padding: 16px;
    }

    .fpm-param-input {
        width: 70px;
    }

    .fpm-condition-body {
        flex-direction: column;
        align-items: flex-start;
    }

    .fpm-slider-container {
        width: 100%;
    }

    .fpm-chartfield-body {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .fpm-header-actions {
        flex-direction: column;
        gap: 4px;
    }

    .fpm-btn-secondary {
        display: none;
    }

    .fpm-outputfield-item {
        flex-wrap: wrap;
    }

    .fpm-field-variable {
        width: 100%;
        margin-top: 8px;
    }
}

/* =====================================================
   滾動條美化
   ===================================================== */

.fpm-content::-webkit-scrollbar {
    width: 8px;
}

.fpm-content::-webkit-scrollbar-track {
    background: transparent;
}

.fpm-content::-webkit-scrollbar-thumb {
    background: var(--fpm-primary-light);
    border-radius: 4px;
}

.fpm-content::-webkit-scrollbar-thumb:hover {
    background: var(--fpm-primary);
}