:root {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --border: #334155;
    
    --up-color: #ef4444; /* Taiwan uses red for up */
    --down-color: #22c55e; /* Taiwan uses green for down */
    --ma5-color: #38bdf8;
    --ma10-color: #f472b6;
    --ma20-color: #fbbf24;
    --ma60-color: #4ade80; /* green, thick */
    --ma120-color: #c084fc; /* purple, thick */
    --ma240-color: #fb923c; /* orange, thick */

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

#app {
    display: flex;
    height: 100%;
    width: 100%;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 20;
    position: relative;
    min-width: 180px;
    max-width: 600px;
}

.sidebar.closed {
    transform: translateX(-100%);
    position: absolute;
    height: 100%;
}

.sidebar-resizer {
    position: absolute;
    top: 0;
    right: -3px;
    width: 6px;
    height: 100%;
    cursor: col-resize;
    z-index: 30;
    transition: background 0.2s;
}
.sidebar-resizer:hover, .sidebar-resizer.dragging {
    background: #2962ff;
}

/* Watchlist Category Dropdown Bar */
.watchlist-category-bar {
    padding: 8px 12px;
    background: #181c27;
    border-bottom: 1px solid var(--border);
    position: relative;
    z-index: 15;
}
.watchlist-dropdown-wrapper {
    position: relative;
    width: 100%;
}
.watchlist-category-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #1e222d;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.watchlist-category-btn:hover {
    background: #2a2e39;
    border-color: #38bdf8;
}
.dropdown-chevron {
    color: var(--text-secondary);
    transition: transform 0.2s;
}
.watchlist-dropdown-wrapper.open .dropdown-chevron {
    transform: rotate(180deg);
}
.watchlist-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #1e222d;
    border: 1px solid #2a2e39;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    z-index: 50;
    padding: 4px;
    max-height: 280px;
    overflow-y: auto;
}
.watchlist-dropdown-wrapper.open .watchlist-dropdown-menu {
    display: block;
}
.watchlist-dropdown-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.15s;
}
.dropdown-item:hover {
    background: #2a2e39;
    color: var(--text-primary);
}
.dropdown-item.active {
    background: rgba(41, 98, 255, 0.15);
    color: #38bdf8;
    font-weight: 500;
}
.dropdown-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.dropdown-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0.6;
}
.dropdown-item:hover .dropdown-item-actions {
    opacity: 1;
}
.cat-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 2px 4px;
    border-radius: 3px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.cat-action-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}
.cat-delete-btn:hover {
    color: #ef4444;
}
.watchlist-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}
.dropdown-add-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: #38bdf8;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: background 0.15s;
}
.dropdown-add-btn:hover {
    background: rgba(56, 189, 248, 0.1);
}

.sidebar-header {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
}

.stock-list {
    list-style: none;
    overflow-y: auto;
    flex: 1;
}

.stock-list::-webkit-scrollbar {
    width: 6px;
}
.stock-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.stock-item {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: grab;
    user-select: none;
    transition: background-color 0.15s, border 0.15s;
    height: 38px;
    position: relative;
}

.stock-item.dragging {
    opacity: 0.35;
    background: #1e222d;
    cursor: grabbing;
}

.stock-item.drag-over-top {
    border-top: 2px solid #38bdf8 !important;
}

.stock-item.drag-over-bottom {
    border-bottom: 2px solid #38bdf8 !important;
}

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

.stock-item.active {
    border-left: 3px solid var(--accent);
}

.stock-item-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
}

.stock-symbol {
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
    flex-shrink: 0;
}

.stock-name {
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.delete-stock {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, color 0.2s;
}

.stock-item:hover .delete-stock {
    opacity: 1;
}

.delete-stock:hover {
    color: #ef4444;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.top-bar {
    height: 60px;
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    z-index: 10;
}

.left-controls, .center-controls, .right-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
}

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

.icon-btn.hidden {
    display: none;
}

.current-stock-info {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

#current-symbol {
    font-size: 1.25rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

#current-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-base);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.control-group .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.button-group {
    display: flex;
    gap: 2px;
}

.button-group button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.button-group button:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.button-group button.active {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Drawing Dropdown Menu */
.drawing-dropdown-wrapper {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

#drawing-tools-btn {
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    font-size: 11px;
}

#drawing-tools-btn.active {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--accent);
    color: var(--accent);
}

.drawing-tools-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: #1e222d;
    border: 1px solid #2a2e39;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    z-index: 1050;
    display: none;
    min-width: 220px;
    padding: 6px 0;
}

.drawing-tools-menu.active {
    display: block;
}

.drawing-menu-title {
    padding: 4px 12px;
    font-size: 11px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.drawing-menu-item {
    width: 100%;
    padding: 7px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    color: #cbd5e1;
    font-size: 12px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.drawing-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.drawing-menu-item.active {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    font-weight: 600;
}

.drawing-menu-item .tool-name {
    flex: 1;
}

.drawing-menu-item .hotkey-badge {
    font-size: 10px;
    font-family: monospace;
    background: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    padding: 1px 5px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.drawing-menu-divider {
    height: 1px;
    background: #2a2e39;
    margin: 5px 0;
}

.drawing-menu-item.danger {
    color: #f87171;
}

.drawing-menu-item.danger:hover {
    background: rgba(239, 83, 80, 0.15);
    color: #ef5350;
}

/* Text Note Floating Dialog / Editor */
.tv-note-editor {
    position: absolute;
    background: #1e222d;
    border: 1px solid #38bdf8;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.75);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 260px;
}

.tv-note-editor textarea {
    background: #131722;
    border: 1px solid #334155;
    border-radius: 4px;
    color: #f8fafc;
    padding: 8px;
    font-size: 13px;
    outline: none;
    resize: vertical;
    min-height: 60px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.4;
}

.tv-note-editor textarea:focus {
    border-color: #38bdf8;
}

.tv-note-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 11px;
    color: #94a3b8;
}

.tv-note-setting-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tv-note-select {
    background: #131722;
    border: 1px solid #334155;
    border-radius: 4px;
    color: #f8fafc;
    padding: 3px 6px;
    font-size: 11px;
    outline: none;
    cursor: pointer;
}

.tv-note-select:focus {
    border-color: #38bdf8;
}

.tv-note-editor-colors {
    display: flex;
    gap: 6px;
    align-items: center;
}

.tv-note-color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.1s;
}

.tv-note-color-dot:hover {
    transform: scale(1.15);
}

.tv-note-color-dot.active {
    border-color: #ffffff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.8);
}

.tv-note-editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 2px;
}

.tv-note-btn {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s;
}

.tv-note-btn-cancel {
    background: #2a2e39;
    color: #94a3b8;
}

.tv-note-btn-cancel:hover {
    background: #334155;
    color: #f8fafc;
}

.tv-note-btn-confirm {
    background: #0284c7;
    color: #ffffff;
}

.tv-note-btn-confirm:hover {
    background: #0369a1;
}

.chart-container-wrapper {
    flex: 1;
    position: relative;
}

#chart-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

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

/* Tooltip for chart */
.floating-tooltip {
    position: absolute;
    display: none;
    padding: 12px;
    box-sizing: border-box;
    font-size: 13px;
    color: var(--text-primary);
    background-color: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(8px);
    text-align: left;
    z-index: 1000;
    top: 12px;
    left: 12px;
    pointer-events: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    font-family: var(--font-mono);
}

.floating-tooltip .price-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
}

.floating-tooltip .label {
    color: var(--text-secondary);
}

/* TradingView Style Additions */
.tv-top-bar {
    height: 44px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8px;
    flex-wrap: nowrap;
    overflow: visible;
    position: relative;
    z-index: 100;
}

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

.tv-search-box {
    display: flex;
    align-items: center;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0 8px;
    height: 28px;
    transition: border-color 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
}
.tv-search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(41, 98, 255, 0.25);
}
.tv-search-box input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    width: 105px;
    outline: none;
    font-size: 12px;
}
.tv-icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 2px;
    flex-shrink: 0;
}
.tv-icon-btn:hover { color: var(--text-primary); }

.tv-divider {
    width: 1px;
    height: 18px;
    background-color: var(--border);
    margin: 0 2px;
    flex-shrink: 0;
}

/* TradingView Style Timeframe Selector & Dropdown */
.tv-period-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
    position: relative;
}

.pinned-periods-container {
    display: flex;
    align-items: center;
    gap: 2px;
}

.tv-period-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s, background-color 0.15s;
    user-select: none;
}

.tv-period-btn:hover {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.08);
}

.tv-period-btn.active {
    color: #f8fafc;
    background: #2a2e39;
    font-weight: 600;
}

.period-dropdown-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.tv-period-arrow-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    padding: 4px 4px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, background-color 0.15s;
}

.tv-period-arrow-btn:hover,
.tv-period-arrow-btn.active {
    color: #f8fafc;
    background: #2a2e39;
}

.period-dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 1000;
    background: #1e222d;
    border: 1px solid #2a2e39;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7);
    min-width: 170px;
    padding: 6px 0;
    display: none;
    flex-direction: column;
}

.period-dropdown-menu.show {
    display: flex;
}

.period-menu-section {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid #2a2e39;
    padding-bottom: 4px;
    margin-bottom: 4px;
}

.period-menu-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.period-section-title {
    padding: 4px 12px 2px 12px;
    font-size: 11px;
    color: #787b86;
    font-weight: 600;
    user-select: none;
}

.period-menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 12px;
    color: #d1d4dc;
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
    user-select: none;
}

.period-menu-row:hover {
    background: #2a2e39;
    color: #ffffff;
}

.period-menu-row.active {
    background: #2a2e39;
    color: #38bdf8;
    font-weight: 600;
}

.period-row-name {
    flex: 1;
}

.period-star-btn {
    background: transparent;
    border: none;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
    color: #64748b;
    transition: color 0.15s, transform 0.1s;
}

.period-star-btn:hover {
    transform: scale(1.15);
    color: #facc15;
}

.period-star-btn.pinned {
    color: #facc15;
}

.tv-legend {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 5;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.tv-legend-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 13px;
    font-family: var(--font-sans);
}
.tv-legend-title {
    font-weight: 600;
    font-size: 16px;
}
.tv-legend-ohlc {
    display: flex;
    gap: 8px;
}
.tv-label { color: var(--text-secondary); margin-right: 2px; }
.tv-val { font-weight: 500; }
.val-up { color: var(--up-color); }
.val-down { color: var(--down-color); }
.val-neutral { color: var(--text-secondary); }

#legend-ma {
    pointer-events: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tv-ma {
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
    padding: 1px 5px;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
}

.tv-ma:hover {
    background: rgba(255, 255, 255, 0.12);
}

.tv-ma.tv-ma-disabled {
    color: #64748b !important;
    opacity: 0.55 !important;
    text-decoration: line-through;
}

.tv-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tv-select {
    background: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 13px;
    outline: none;
    cursor: pointer;
}
.tv-select:focus {
    border-color: var(--accent);
}

.tv-refresh-group {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}
.tv-mini-select {
    background: #1e222d;
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    font-size: 11px;
    padding: 3px 6px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s;
}
.tv-mini-select:hover {
    border-color: #38bdf8;
}

.tv-chk-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.tv-chk-label input[type="checkbox"] {
    accent-color: var(--accent);
    cursor: pointer;
}
.tv-chk-label:hover {
    color: var(--text-primary);
}

.tv-status-badge {
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    white-space: nowrap;
    letter-spacing: -0.2px;
    opacity: 0.85;
    padding: 2px 4px;
}
.tv-status-badge.error {
    color: #ef4444;
    opacity: 1;
}

.tv-legend-time {
    font-weight: normal;
    font-size: 13px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.tv-ma {
    font-size: 13px;
    margin-right: 12px;
    font-weight: 500;
}

/* Drawing Action Toolbar */
/* Drawing Action Toolbar */
.drawing-action-toolbar {
    position: absolute;
    z-index: 100;
    display: none;
    align-items: center;
    gap: 4px;
    background: #1e222d;
    border: 1px solid #3a3f4d;
    border-radius: 6px;
    padding: 3px 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
    pointer-events: all;
    user-select: none;
}

.drawing-toolbar-colors {
    display: flex;
    align-items: center;
    gap: 5px;
    padding-right: 6px;
    border-right: 1px solid #334155;
}

.drawing-color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.1s;
}

.drawing-color-dot:hover {
    transform: scale(1.2);
}

.drawing-color-dot.active {
    border-color: #ffffff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.8);
}

.drawing-toolbar-widths {
    display: flex;
    align-items: center;
    gap: 2px;
    padding-right: 6px;
    border-right: 1px solid #334155;
}

.drawing-width-btn {
    background: transparent;
    border: 1px solid transparent;
    color: #94a3b8;
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 11px;
    cursor: pointer;
    font-family: 'Roboto Mono', monospace;
    transition: all 0.12s;
}

.drawing-width-btn:hover {
    color: #f8fafc;
    background: #2a2e39;
}

.drawing-width-btn.active {
    color: #38bdf8;
    background: #2a2e39;
    border-color: #38bdf8;
    font-weight: 600;
}

.drawing-toolbar-font-sizes {
    display: flex;
    align-items: center;
    gap: 2px;
    padding-right: 6px;
    border-right: 1px solid #334155;
}

.drawing-font-btn {
    background: transparent;
    border: 1px solid transparent;
    color: #94a3b8;
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 11px;
    cursor: pointer;
    font-family: 'Roboto Mono', monospace;
    transition: all 0.12s;
}

.drawing-font-btn:hover {
    color: #f8fafc;
    background: #2a2e39;
}

.drawing-font-btn.active {
    color: #38bdf8;
    background: #2a2e39;
    border-color: #38bdf8;
    font-weight: 600;
}

.drawing-edit-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: none;
    color: #38bdf8;
    font-size: 12px;
    padding: 3px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

.drawing-edit-btn:hover {
    background: rgba(56, 189, 248, 0.15);
}

.drawing-delete-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: none;
    color: #ef4444;
    font-size: 12px;
    padding: 3px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.drawing-delete-btn:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* Global hidden helper */
.hidden {
    display: none !important;
}

/* Multi-pane Chart Layout */
.chart-container-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.chart-container-wrapper.hidden,
#charts-main-wrapper.hidden {
    display: none !important;
}

.chart-pane {
    position: relative;
    width: 100%;
    min-height: 0;
}

#main-chart-pane {
    flex: 1 1 0%;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

#main-chart-pane #chart-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.pane-resizer-bar {
    height: 6px;
    margin-top: -3px;
    margin-bottom: -3px;
    cursor: row-resize;
    z-index: 25;
    position: relative;
    background: transparent;
    transition: background 0.15s, box-shadow 0.15s;
    flex-shrink: 0;
}

.pane-resizer-bar:hover,
.pane-resizer-bar.dragging {
    background: #38bdf8;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.7);
}

.pane-resizer-bar.hidden {
    display: none !important;
}

.sub-pane {
    flex: 0 0 auto;
    height: 140px;
    min-height: 60px;
    border-top: 1px solid #2a2e39;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sub-pane.hidden {
    display: none !important;
}

.sub-pane #macd-chart-container,
.sub-pane #rsi-chart-container {
    width: 100%;
    height: 100%;
    flex: 1 1 0%;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

.sub-legend-bar {
    position: absolute;
    top: 6px;
    left: 12px;
    right: 12px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    pointer-events: none;
}

.sub-title {
    font-weight: 600;
    color: var(--text-primary);
}

.sub-params {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.sub-vals {
    display: flex;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.sub-pane-actions {
    margin-left: auto;
    pointer-events: all;
    display: flex;
    align-items: center;
    gap: 4px;
}

.sub-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}
.sub-action-btn:hover {
    color: #ef4444;
    background: rgba(255,255,255,0.05);
}

/* Top bar toggle buttons */
.tv-btn-toggle {
    background: var(--bg-base);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
    flex-shrink: 0;
}
.tv-btn-toggle:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}
.tv-btn-toggle.active {
    background: rgba(41, 98, 255, 0.2);
    border-color: #2962ff;
    color: #38bdf8;
}

/* Indicator Settings Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.active {
    display: flex;
}

.settings-modal {
    background: #1e222d;
    border: 1px solid #363c4e;
    border-radius: 8px;
    width: 530px;
    max-width: 95vw;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 14px 18px;
    border-bottom: 1px solid #2a2e39;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: #d1d4dc;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: #8a8f9c;
    font-size: 18px;
    cursor: pointer;
}
.modal-close-btn:hover { color: #fff; }

.modal-body {
    padding: 16px 20px;
    max-height: 72vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.settings-group {
    background: #131722;
    border: 1px solid #2a2e39;
    border-radius: 6px;
    padding: 12px 14px;
}

.settings-group h4 {
    margin: 0 0 10px 0;
    font-size: 13px;
    color: #38bdf8;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
    color: #d1d4dc;
}

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

.setting-row input[type="number"] {
    width: 70px;
    background: #2a2e39;
    border: 1px solid #3a3f4d;
    color: #fff;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 13px;
    text-align: right;
}

.setting-row select {
    background: #2a2e39;
    border: 1px solid #3a3f4d;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
}

/* Enhanced MA & Indicator Line Config Table Styles */
.ma-setting-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-secondary);
    padding: 4px 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.ma-setting-rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ma-setting-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ma-row-label {
    flex: 1.2;
    font-size: 13px;
    font-weight: 500;
    color: #e2e8f0;
}

.ma-num-input {
    flex: 1.5;
    width: 56px;
    background: #2a2e39;
    border: 1px solid #3a3f4d;
    color: #fff;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 13px;
    text-align: right;
}

.color-picker-wrap {
    flex: 1.2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.color-picker-wrap input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 28px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
    padding: 0;
}

.color-picker-wrap input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-wrap input[type="color"]::-webkit-color-swatch {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.ma-select-input {
    background: #2a2e39;
    border: 1px solid #3a3f4d;
    color: #fff;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.ma-select-input:focus,
.ma-num-input:focus {
    border-color: var(--accent);
}

.ma-setting-row select:nth-of-type(1) {
    flex: 1.6;
}

.ma-setting-row select:nth-of-type(2) {
    flex: 1.8;
}

.ma-sub-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 12px 0 8px 0;
}

.modal-footer {
    padding: 12px 18px;
    border-top: 1px solid #2a2e39;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #181c27;
}

.modal-footer button {
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    font-weight: 500;
}

.btn-secondary {
    background: transparent;
    border: 1px solid #3a3f4d;
    color: #d1d4dc;
}
.btn-secondary:hover { background: #2a2e39; }

.btn-primary {
    background: #2962ff;
    border: 1px solid #2962ff;
    color: #fff;
}
.btn-primary:hover { background: #1e53e5; }

/* Layout Selector Dropdown */
.layout-dropdown-wrapper {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

#layout-selector-btn {
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.layout-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: #1e222d;
    border: 1px solid #2a2e39;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
    min-width: 160px;
    padding: 6px 0;
}

.layout-menu.active {
    display: block;
}

.layout-menu-title {
    padding: 4px 12px;
    font-size: 11px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.layout-item {
    width: 100%;
    padding: 7px 12px;
    background: transparent;
    border: none;
    color: #d1d4dc;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.layout-item:hover {
    background: #2a2e39;
    color: #fff;
}

.layout-item.active {
    background: rgba(41, 98, 255, 0.15);
    color: #2962ff;
    font-weight: 600;
}

/* Multi-Chart Batch Pagination Controls */
.grid-batch-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 6px;
    height: 30px;
}

.grid-batch-controls.hidden {
    display: none !important;
}

.tv-batch-btn {
    background: transparent;
    border: none;
    color: #d1d4dc;
    font-size: 12px;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.tv-batch-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.grid-batch-info {
    font-size: 12px;
    font-family: monospace;
    color: #94a3b8;
    padding: 0 4px;
    user-select: none;
}

/* Multi-Chart Grid Layout */
.multi-chart-grid {
    flex: 1;
    display: grid;
    height: 100%;
    min-height: 0;
    gap: 4px;
    padding: 4px;
    background: #0b0e14;
    box-sizing: border-box;
    overflow: hidden;
}

.multi-chart-grid.hidden {
    display: none !important;
}

.multi-chart-grid.grid-1x2 {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 1fr;
}

.multi-chart-grid.grid-2x1 {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(2, 1fr);
}

.multi-chart-grid.grid-2x2 {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

.multi-chart-grid.grid-3x2 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
}

.multi-chart-grid.grid-3x3 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.multi-chart-grid.grid-4x3 {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.grid-cell {
    display: flex;
    flex-direction: column;
    background: #131722;
    border: 1px solid #1e222d;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
    container-type: inline-size;
    container-name: gridcell;
}

.grid-cell.focused {
    border: 2px solid #2962ff;
    box-shadow: 0 0 10px rgba(41, 98, 255, 0.35);
    z-index: 2;
}

.grid-cell-header {
    height: 24px;
    min-height: 24px;
    background: rgba(19, 23, 34, 0.95);
    border-bottom: 1px solid #1e222d;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 6px;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    font-size: 12px;
    user-select: none;
    white-space: nowrap;
    overflow: hidden;
    gap: 4px;
}

.grid-cell-info-left {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    white-space: nowrap;
}

.cell-symbol {
    font-weight: 700;
    color: #f8fafc;
    font-size: 12px;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    flex-shrink: 0;
    white-space: nowrap;
}

.cell-name {
    color: #94a3b8;
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 0 1 auto;
    min-width: 0;
}

.grid-cell-info-right {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    white-space: nowrap;
    flex-shrink: 0;
}

.cell-price {
    font-weight: 700;
    font-size: 12px;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    white-space: nowrap;
}

.cell-change {
    font-weight: 500;
    font-size: 11px;
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft JhengHei", sans-serif);
    white-space: nowrap;
}

/* Colors for price and change: Red (Up), Green (Down), White (Flat) */
.cell-price.val-up,
.cell-change.val-up {
    color: #ef5350 !important;
}

.cell-price.val-down,
.cell-change.val-down {
    color: #26a69a !important;
}

.cell-price.val-neutral,
.cell-change.val-neutral {
    color: #ffffff !important;
}

/* 4x3 & 3x3 Layout specific auto scaling */
.grid-4x3 .grid-cell-header,
.grid-3x3 .grid-cell-header {
    height: 22px;
    min-height: 22px;
    padding: 0 4px;
    gap: 2px;
}

.grid-4x3 .cell-symbol,
.grid-3x3 .cell-symbol {
    font-size: 11px;
}

.grid-4x3 .cell-name,
.grid-3x3 .cell-name {
    font-size: 10px;
}

.grid-4x3 .grid-cell-info-right,
.grid-3x3 .grid-cell-info-right {
    gap: 3px;
}

.grid-4x3 .cell-price,
.grid-3x3 .cell-price {
    font-size: 11px;
}

.grid-4x3 .cell-change,
.grid-3x3 .cell-change {
    font-size: 10px;
    letter-spacing: -0.2px;
}

/* Container Queries for Dynamic RWD per cell width */
@container gridcell (max-width: 320px) {
    .grid-cell-header {
        padding: 0 4px;
        gap: 2px;
    }
    .cell-symbol {
        font-size: 11px;
    }
    .cell-name {
        font-size: 10px;
    }
    .cell-price {
        font-size: 11px;
    }
    .cell-change {
        font-size: 10px;
        letter-spacing: -0.25px;
    }
}

@container gridcell (max-width: 270px) {
    .grid-cell-header {
        padding: 0 3px;
        gap: 2px;
    }
    .cell-symbol {
        font-size: 10px;
    }
    .cell-name {
        font-size: 9.5px;
    }
    .cell-price {
        font-size: 10px;
    }
    .cell-change {
        font-size: 9px;
        letter-spacing: -0.35px;
    }
}

@container gridcell (max-width: 220px) {
    .cell-change-diff {
        display: none !important;
    }
}

.grid-cell-chart {
    flex: 1;
    width: 100%;
    height: 100%;
    position: relative;
    min-height: 0;
}