/* static/css/components/chart-panel.css */

/* Chart CSS Variables (shared by AI chart + Price Trends chart) */
:root {
    --chart-candle-up: var(--color-market-up);
    --chart-candle-down: var(--color-market-down);
    --chart-grid: var(--quote-table-border, #E8E5E0);
    --chart-crosshair: var(--color-border-strong);
    --chart-tooltip-bg: var(--color-bg-tertiary);
    --chart-tooltip-border: var(--quote-table-border, #E8E5E0);
    --chart-tooltip-text: var(--quote-table-text, #1C1917);
    --chart-bg: var(--quote-panel-surface, #FEFDFB);
    --chart-header-bg: var(--quote-panel-surface, #FEFDFB);
    --chart-header-border: var(--quote-table-border, #E8E5E0);
    --chart-text: var(--quote-table-text, #1C1917);
    --chart-text-secondary: var(--color-text-secondary);
    --chart-label-font-size: 11px;
}

.chart-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--chart-bg);
    container-type: inline-size;
    container-name: chart-panel;
}

/* Header */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
    border-bottom: 1px solid var(--chart-header-border);
    background: var(--chart-header-bg);
    min-height: 32px;
}

.chart-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.stock-code {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.stock-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--chart-text);
}

/* Quote Info Bar */
.chart-quote {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 0;
    margin-right: 4px;
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    white-space: nowrap;
    overflow: visible;
    min-width: 0;
    flex: 1;
}

.quote-date {
    color: var(--chart-text);
    opacity: 0.55;
    font-size: 11px;
    order: 99;
    margin-left: auto;
}

.quote-sep[data-sep="1"] {
    display: none;
}

.quote-sep {
    width: 1px;
    height: 16px;
    background: var(--chart-header-border);
    opacity: 0.7;
    flex-shrink: 0;
    margin: 0 4px;
}

.quote-item {
    display: inline-flex;
    align-items: baseline;
    gap: 1px;
}

.quote-label {
    color: var(--chart-text);
    opacity: 0.45;
    font-size: 10px;
    font-family: system-ui, -apple-system, sans-serif;
    margin-right: 1px;
}

.quote-value {
    color: var(--chart-text);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: -0.2px;
}

/* 漲跌色 — 台股慣例：紅漲綠跌 */
.quote-value.quote-up {
    color: var(--chart-candle-up, #DC2626);
    font-weight: 600;
    font-size: 12.5px;
}

.quote-value.quote-down {
    color: var(--chart-candle-down, #16A34A);
    font-weight: 600;
    font-size: 12.5px;
}

.quote-value.quote-flat {
    color: var(--chart-text);
    opacity: 0.45;
}

/* 漲跌區塊間距 */
.quote-change {
    margin-right: 2px;
}

/* 漲跌幅加底色標籤效果 */
.quote-change-pct .quote-value {
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 11.5px;
    letter-spacing: -0.3px;
}

.quote-change-pct .quote-value.quote-up {
    background: rgba(220, 38, 38, 0.12);
}

.quote-change-pct .quote-value.quote-down {
    background: rgba(22, 163, 74, 0.12);
}

.quote-change-pct .quote-value.quote-flat {
    background: rgba(0, 0, 0, 0.05);
}

.chart-toolbar {
    display: flex;
    gap: 8px;
}

.chart-btn {
    padding: 6px 12px;
    border: 1px solid var(--chart-header-border);
    background: var(--chart-bg);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--chart-text);
    transition: all 0.2s ease;
}

.chart-btn:hover {
    background: var(--quote-table-header-bg, #FAF9F6);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

/* Content */
.chart-content {
    flex: 1;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

.chart-container {
    width: 100%;
    height: 100%;
    padding: 4px 8px;
}

/* Loading State */
.chart-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--chart-bg);
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--chart-header-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.chart-loading p {
    color: var(--chart-text-secondary);
    font-size: 14px;
}

/* Error State */
.chart-error {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--chart-bg);
    gap: 16px;
}

.error-message {
    color: var(--color-danger);
    font-size: 14px;
}

.retry-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-accent);
    background: var(--chart-bg);
    color: var(--color-accent);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
}

/* Empty State */
.chart-empty {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--chart-bg);
}

.chart-empty p {
    color: var(--chart-text-secondary);
    font-size: 14px;
}

/* ==================== Indicator Label Overlay ==================== */

#priceTrendsChart,
.price-chart-area {
    position: relative;
}

.chart-indicator-labels {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 20;
    visibility: hidden;  /* 初始隱藏，等 setChart() 完成後才顯示 */
}

.indicator-label {
    position: absolute;
    left: 10px;
    padding: 2px 6px;
    font-size: var(--chart-label-font-size, 11px);
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 3px;
}

.label-name {
    color: var(--color-text-muted);
    margin-right: 2px;
}

.label-value {
    margin-right: 10px;
}

/* ===== Light Mode Label Styles ===== */
[data-theme="light"] .indicator-label {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .label-name {
    color: var(--color-text-tertiary);
}

/* ===== Disable Highcharts Hover Highlight ===== */
.highcharts-point-hover {
    fill-opacity: 1 !important;
    opacity: 1 !important;
}

.highcharts-column-series .highcharts-point-hover {
    fill-opacity: 1 !important;
    opacity: 1 !important;
}

.highcharts-series-hover path {
    stroke-width: inherit !important;
}

.highcharts-series-hover {
    opacity: 1 !important;
}

.highcharts-series:not(.highcharts-series-hover) {
    opacity: 1 !important;
}

/* ==================== Responsive Quote Bar (Container Queries) ==================== */

/* Tier 2: Compact (550-699px) — 隱藏開高低、標籤文字、sep-3 */
@container chart-panel (max-width: 699px) {
    .quote-open, .quote-high, .quote-low { display: none; }
    .quote-close .quote-label, .quote-volume .quote-label { display: none; }
    .quote-sep[data-sep="3"] { display: none; }
}

/* Tier 3: Narrow (450-549px) — 再隱藏成交量、sep-2 */
@container chart-panel (max-width: 549px) {
    .quote-volume { display: none; }
    .quote-sep[data-sep="2"] { display: none; }
}

/* Tier 4: Minimal (< 450px) — 再隱藏漲跌 */
@container chart-panel (max-width: 449px) {
    .quote-change { display: none; }
}