/* TradingView Dark Theme High Performance CSS */
:root {
    --bg-primary: #131722;
    --bg-secondary: #1e222d;
    --bg-tertiary: #2a2e39;
    --bg-hover: #363a45;
    --text-primary: #d1d4dc;
    --text-secondary: #787b86;
    --text-muted: #5d606b;
    --accent-blue: #2962ff;
    --accent-blue-hover: #1e53e5;
    --up-green: #089981;
    --down-red: #f23645;
    --border-color: #2a2e39;
    --modal-bg: #1e222d;
    --font-family: -apple-system, BlinkMacSystemFont, 'Trebuchet MS', Roboto, Ubuntu, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body.tv-dark {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 13px;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* --- Top Navigation Bar --- */
#top-bar {
    height: 44px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 8px;
    z-index: 100;
}

.top-section {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-right {
    margin-left: auto;
}

.divider {
    width: 1px;
    height: 22px;
    background-color: var(--border-color);
    margin: 0 4px;
}

/* TV Buttons */
.tv-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 6px 10px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}

.tv-btn:hover {
    background-color: var(--bg-hover);
    color: #ffffff;
}

.tv-btn.active {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.tv-btn.primary {
    background-color: var(--accent-blue);
    color: #ffffff;
}

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

.tv-btn.symbol-btn {
    font-weight: 600;
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
}

.symbol-badge {
    background: rgba(41, 98, 255, 0.2);
    color: #2962ff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 3px;
}

.symbol-title {
    font-size: 14px;
    letter-spacing: 0.5px;
}

.dropdown-arrow {
    font-size: 8px;
    opacity: 0.7;
    margin-left: 2px;
}

.anchor-btn {
    background: rgba(242, 169, 0, 0.1);
    color: #f2a900;
    border: 1px solid rgba(242, 169, 0, 0.3);
}

.anchor-btn:hover {
    background: rgba(242, 169, 0, 0.2);
    color: #ffb700;
}

.anchor-value {
    font-weight: 700;
    color: #ffb700;
}

.goto-btn {
    background: rgba(41, 98, 255, 0.1);
    color: #2962ff;
    border: 1px solid rgba(41, 98, 255, 0.3);
}

.goto-btn:hover {
    background: rgba(41, 98, 255, 0.2);
}

.goto-value {
    font-weight: 700;
    color: #ffffff;
}

/* Countdown Timer Pill */
.countdown-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(255, 152, 0, 0.12);
    border: 1px solid rgba(255, 152, 0, 0.35);
    border-radius: 12px;
    font-size: 11px;
    color: #ff9800;
}

.timer-icon {
    font-size: 12px;
    animation: spin-slow 10s linear infinite;
}

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

.timer-val {
    font-weight: 700;
    font-family: 'SF Mono', Consolas, monospace;
    color: #ffb74d;
}

.legend-row-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.legend-countdown {
    font-size: 11px;
    font-family: 'SF Mono', Consolas, monospace;
    font-weight: 700;
    color: #ff9800;
    background: rgba(255, 152, 0, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.sync-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: rgba(8, 153, 129, 0.1);
    border: 1px solid rgba(8, 153, 129, 0.3);
    border-radius: 12px;
    font-size: 11px;
    color: var(--up-green);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: var(--up-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--up-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

.tf-favorites {
    display: flex;
    align-items: center;
    gap: 2px;
}

.tf-fav-btn {
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

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

.tf-fav-btn.active {
    color: #ffffff;
    background-color: var(--accent-blue);
}

/* --- Main Body Layout --- */
#main-body {
    display: flex;
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Left Drawing Toolbar */
#drawing-toolbar {
    width: 48px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 0;
    gap: 6px;
    z-index: 50;
}

.tool-btn {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

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

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

.tool-btn.active {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.tool-btn.danger:hover {
    background-color: rgba(242, 54, 69, 0.2);
    color: var(--down-red);
}

.tool-separator {
    width: 24px;
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

/* Chart Workspace */
#chart-wrapper {
    flex: 1;
    position: relative;
    background-color: var(--bg-primary);
    overflow: hidden;
}

#tv-chart-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

#drawing-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 20;
}

#drawing-canvas.drawing-active {
    pointer-events: auto;
    cursor: crosshair;
}

/* Chart Legend */
#chart-legend {
    position: absolute;
    top: 12px;
    left: 16px;
    z-index: 30;
    background: rgba(19, 23, 34, 0.85);
    backdrop-filter: blur(4px);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid rgba(42, 46, 57, 0.6);
    display: flex;
    flex-direction: column;
    gap: 4px;
    pointer-events: none;
}

.legend-symbol {
    font-weight: 700;
    font-size: 14px;
    color: #ffffff;
}

.legend-ohlc {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-family: 'SF Mono', Consolas, monospace;
}

.legend-ohlc .label {
    color: var(--text-secondary);
}

.legend-ohlc .val {
    font-weight: 600;
    color: var(--text-primary);
}

/* Loading Overlay */
#loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(19, 23, 34, 0.6);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 200;
    color: var(--text-primary);
    transition: opacity 0.2s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(41, 98, 255, 0.2);
    border-top: 3px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Bottom Bar */
#bottom-bar {
    height: 28px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    font-size: 11px;
    color: var(--text-secondary);
    z-index: 100;
}

.status-left, .status-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-item b {
    color: var(--text-primary);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 48px;
    left: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    z-index: 150;
    display: none;
    min-width: 280px;
    padding: 6px 0;
}

.dropdown-menu.show {
    display: block;
}

.menu-header {
    padding: 8px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.symbol-list {
    max-height: 320px;
    overflow-y: auto;
}

.symbol-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.1s ease;
}

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

.symbol-item.selected {
    background: rgba(41, 98, 255, 0.15);
}

.symbol-item-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sym-name {
    font-weight: 600;
    font-size: 13px;
    color: #ffffff;
}

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

.sym-count {
    font-size: 11px;
    color: var(--accent-blue);
    font-family: monospace;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 300;
}

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

.modal-card {
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 440px;
    box-shadow: 0 16px 36px rgba(0,0,0,0.6);
    overflow: hidden;
}

.modal-card.modal-large {
    width: 780px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

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

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
}

.close-btn:hover {
    color: #ffffff;
}

.modal-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.row {
    flex-direction: row;
    align-items: center;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
}

input[type="number"], input[type="text"], input[type="datetime-local"], select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: #ffffff;
    padding: 8px 12px;
    font-size: 13px;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--accent-blue);
}

.preset-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.preset-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip, .chip-anchor, .chip-goto {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.chip:hover, .chip-anchor:hover, .chip-goto:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    color: #ffffff;
}

.chip.active, .chip-anchor.active, .chip-goto.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fav-tag {
    background: rgba(41, 98, 255, 0.15);
    border: 1px solid rgba(41, 98, 255, 0.4);
    color: #2962ff;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fav-tag-remove {
    cursor: pointer;
    font-weight: bold;
}

/* Download Modal Grid */
.download-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 460px;
    overflow-y: auto;
}

.download-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dc-title {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
}

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

.dc-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dc-progress-bar-bg {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.dc-progress-fill {
    height: 100%;
    background: var(--accent-blue);
    width: 0%;
    transition: width 0.2s ease;
}

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