:root, [data-theme="dark"] {
    --bg-page: #0b0f19;
    --bg-card: #111827;
    --bg-card-hover: #1f2937;
    --bg-input: #1a2234;
    --bg-header: #0f172a;
    --bg-modal: #111827;
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --border-color: #1f2937;
    --border-subtle: #374151;

    --color-up: #10b981;
    --color-up-bg: rgba(16, 185, 129, 0.15);
    --color-up-flash: rgba(16, 185, 129, 0.35);

    --color-down: #ef4444;
    --color-down-bg: rgba(239, 68, 68, 0.15);
    --color-down-flash: rgba(239, 68, 68, 0.35);

    --color-accent: #38bdf8;
    --color-accent-hover: #0284c7;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] {
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-input: #f1f5f9;
    --bg-header: #ffffff;
    --bg-modal: #ffffff;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --border-color: #e2e8f0;
    --border-subtle: #cbd5e1;

    --color-up: #059669;
    --color-up-bg: rgba(5, 150, 105, 0.12);
    --color-up-flash: rgba(5, 150, 105, 0.3);

    --color-down: #dc2626;
    --color-down-bg: rgba(220, 38, 38, 0.12);
    --color-down-flash: rgba(220, 38, 38, 0.3);

    --color-accent: #0284c7;
    --color-accent-hover: #0369a1;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Flash Animations */
@keyframes flashUp {
    0% { background-color: var(--color-up-flash); }
    100% { background-color: transparent; }
}

@keyframes flashDown {
    0% { background-color: var(--color-down-flash); }
    100% { background-color: transparent; }
}

.tick-flash-up {
    animation: flashUp 1.2s ease-out;
}

.tick-flash-down {
    animation: flashDown 1.2s ease-out;
}

/* Custom Components */
.fintech-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.fintech-card:hover {
    border-color: var(--border-subtle);
}

.table-screener {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-screener th {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 14px;
    border-bottom: 2px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.table-screener th:hover {
    color: var(--color-accent);
}

.table-screener td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    vertical-align: middle;
}

.table-screener tr.stock-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.table-screener tr.stock-row:hover {
    background-color: var(--bg-card-hover) !important;
}

.table-screener tr.stock-row.selected {
    background-color: rgba(56, 189, 248, 0.1) !important;
    border-left: 3px solid var(--color-accent);
}

/* Badges */
.badge-up {
    color: var(--color-up);
    background-color: var(--color-up-bg);
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-down {
    color: var(--color-down);
    background-color: var(--color-down-bg);
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-session {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-session.pre-market {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.badge-session.regular {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-session.after-hours {
    background: rgba(139, 92, 246, 0.2);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.badge-session.closed {
    background: rgba(107, 114, 128, 0.2);
    color: #9ca3af;
    border: 1px solid rgba(107, 114, 128, 0.4);
}

/* Pulsing dot */
.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    display: inline-block;
    box-shadow: 0 0 8px currentColor;
    animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

/* Ticker pill */
.ticker-pill {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: var(--bg-input);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Inputs & Buttons */
.fintech-input {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease;
}

.fintech-input:focus {
    border-color: var(--color-accent);
}

.fintech-btn {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.fintech-btn-primary {
    background-color: var(--color-accent);
    color: #ffffff;
    border: 1px solid var(--color-accent);
}

.fintech-btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
}

/* Mobile & Phone Responsive Rules */
.chart-drawer {
    width: 650px;
    max-width: 100vw;
    transition: width 0.25s ease;
}

@media (max-width: 768px) {
    .chart-drawer {
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw !important;
        height: 100vh !important;
        z-index: 1090 !important;
        border-left: none !important;
    }

    .chart-close-btn {
        min-width: 38px;
        min-height: 34px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem !important;
        font-weight: bold;
    }

    .chart-canvas-container {
        min-height: 280px !important;
    }

    .table-screener th, .table-screener td {
        padding: 6px 8px;
        font-size: 0.8rem;
    }

    .w-100-mobile {
        width: 100% !important;
    }

    .page-main-content {
        padding-bottom: 60px; /* Space for mobile bottom bar */
    }

    .mobile-bottom-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 56px;
        background-color: var(--bg-header);
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    }

    .mobile-nav-item {
        color: var(--text-secondary);
        font-size: 0.72rem;
        transition: color 0.15s ease;
    }

    .mobile-nav-item:hover, .mobile-nav-item.active {
        color: var(--color-accent) !important;
    }
}