/* ============================================================
   QuantScan Pro — Design Token System
   Professional Trading Screener (TradingView-standard)

   Usage: Apply data-theme="dark" or data-theme="light" on <html>
   Default: dark (industry standard for trading platforms)
   ============================================================ */

/* ── Dark Theme (Default) ───────────────────────────────── */
[data-theme="dark"],
:root {
    /* Backgrounds */
    --bg-primary: #131722;
    --bg-surface: #1E222D;
    --bg-surface-hover: #262A35;
    --bg-elevated: #2A2E39;
    --bg-inset: #0E1117;

    /* Text */
    --text-primary: #D1D4DC;
    --text-secondary: #787B86;
    --text-muted: #4A5568;
    --text-heading: #EAECEF;
    --text-inverse: #131722;

    /* Borders */
    --border-primary: #363A45;
    --border-subtle: #2B2B43;
    --border-strong: #4A4E5A;

    /* Accent */
    --accent-primary: #2962FF;
    --accent-primary-hover: #1E50E6;
    --accent-primary-muted: rgba(41, 98, 255, 0.15);

    /* Semantic — Bullish / Bearish / Neutral */
    --bullish: #26A69A;
    --bullish-text: #26A69A;
    --bullish-bg: rgba(38, 166, 154, 0.12);
    --bullish-strong: #2DD4A8;

    --bearish: #EF5350;
    --bearish-text: #EF5350;
    --bearish-bg: rgba(239, 83, 80, 0.12);
    --bearish-strong: #FF6B6B;

    --neutral: #787B86;
    --neutral-bg: rgba(120, 123, 134, 0.1);

    /* OI Quadrant Colors */
    --oi-long-buildup: #10B981;
    --oi-long-buildup-bg: rgba(16, 185, 129, 0.12);
    --oi-short-buildup: #EF4444;
    --oi-short-buildup-bg: rgba(239, 68, 68, 0.12);
    --oi-short-covering: #3B82F6;
    --oi-short-covering-bg: rgba(59, 130, 246, 0.12);
    --oi-long-unwinding: #F97316;
    --oi-long-unwinding-bg: rgba(249, 115, 22, 0.12);

    /* Status */
    --warning: #FF9800;
    --warning-bg: rgba(255, 152, 0, 0.12);
    --info: #2196F3;
    --info-bg: rgba(33, 150, 243, 0.12);
    --danger: #F44336;
    --danger-bg: rgba(244, 67, 54, 0.12);
    --success: #4CAF50;
    --success-bg: rgba(76, 175, 80, 0.12);

    /* Accent Secondary */
    --accent-secondary: #7C3AED;

    /* Top Nav */
    --topnav-bg: #1E222D;
    --topnav-text: #B2B5BE;
    --topnav-text-active: #FFFFFF;
    --topnav-active-bg: rgba(41, 98, 255, 0.15);
    --topnav-active-accent: #2962FF;
    --topnav-hover-bg: rgba(255, 255, 255, 0.05);
    --topnav-border: #2B2B43;
    --topnav-section-text: #787B86;

    /* Dropdown */
    --dropdown-bg: #1E222D;
    --dropdown-border: #363A45;
    --dropdown-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --dropdown-item-hover: rgba(255, 255, 255, 0.05);
    --dropdown-item-active-bg: rgba(41, 98, 255, 0.15);
    --dropdown-item-active-text: #FFFFFF;

    /* Header */
    --header-bg: #1E222D;
    --header-border: #2B2B43;
    --header-text: #D1D4DC;

    /* Input / Form */
    --input-bg: #1E222D;
    --input-border: #363A45;
    --input-text: #D1D4DC;
    --input-placeholder: #4A5568;
    --input-focus-border: #2962FF;
    --input-focus-ring: rgba(41, 98, 255, 0.2);

    /* Table */
    --table-header-bg: #1A1E2B;
    --table-header-text: #787B86;
    --table-row-odd: #131722;
    --table-row-even: #1A1E2B;
    --table-row-hover: #262A35;
    --table-border: #1E222D;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.35);

    /* Scrollbar */
    --scrollbar-track: #131722;
    --scrollbar-thumb: #363A45;
    --scrollbar-thumb-hover: #4A4E5A;

    /* Badge */
    --badge-live-bg: rgba(38, 166, 154, 0.15);
    --badge-live-text: #26A69A;
    --badge-new-bg: rgba(41, 98, 255, 0.15);
    --badge-new-text: #5B8DEF;

    /* Card */
    --card-bg: #1E222D;
    --card-border: #2B2B43;
    --card-hover-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ── Light Theme ─────────────────────────────────────────── */
[data-theme="light"] {
    /* Backgrounds */
    --bg-primary: #F0F3FA;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F1F5F9;
    --bg-elevated: #FFFFFF;
    --bg-inset: #E8ECF3;

    /* Text */
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-heading: #0F172A;
    --text-inverse: #FFFFFF;

    /* Borders */
    --border-primary: #E2E8F0;
    --border-subtle: #F1F5F9;
    --border-strong: #CBD5E1;

    /* Accent */
    --accent-primary: #2962FF;
    --accent-primary-hover: #1E50E6;
    --accent-primary-muted: rgba(41, 98, 255, 0.08);

    /* Semantic — Bullish / Bearish / Neutral */
    --bullish: #059669;
    --bullish-text: #059669;
    --bullish-bg: rgba(5, 150, 105, 0.08);
    --bullish-strong: #047857;

    --bearish: #DC2626;
    --bearish-text: #DC2626;
    --bearish-bg: rgba(220, 38, 38, 0.08);
    --bearish-strong: #B91C1C;

    --neutral: #6B7280;
    --neutral-bg: rgba(107, 114, 128, 0.08);

    /* OI Quadrant Colors */
    --oi-long-buildup: #059669;
    --oi-long-buildup-bg: rgba(5, 150, 105, 0.08);
    --oi-short-buildup: #DC2626;
    --oi-short-buildup-bg: rgba(220, 38, 38, 0.08);
    --oi-short-covering: #2563EB;
    --oi-short-covering-bg: rgba(37, 99, 235, 0.08);
    --oi-long-unwinding: #EA580C;
    --oi-long-unwinding-bg: rgba(234, 88, 12, 0.08);

    /* Status */
    --warning: #D97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --info: #2563EB;
    --info-bg: rgba(37, 99, 235, 0.08);
    --danger: #DC2626;
    --danger-bg: rgba(220, 38, 38, 0.08);
    --success: #16A34A;
    --success-bg: rgba(22, 163, 74, 0.08);

    /* Accent Secondary */
    --accent-secondary: #7C3AED;

    /* Top Nav */
    --topnav-bg: #FFFFFF;
    --topnav-text: #64748B;
    --topnav-text-active: #1E293B;
    --topnav-active-bg: rgba(41, 98, 255, 0.08);
    --topnav-active-accent: #2962FF;
    --topnav-hover-bg: rgba(0, 0, 0, 0.04);
    --topnav-border: #E2E8F0;
    --topnav-section-text: #64748B;

    /* Dropdown */
    --dropdown-bg: #FFFFFF;
    --dropdown-border: #E2E8F0;
    --dropdown-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    --dropdown-item-hover: rgba(0, 0, 0, 0.04);
    --dropdown-item-active-bg: rgba(41, 98, 255, 0.08);
    --dropdown-item-active-text: #1E293B;

    /* Header */
    --header-bg: #FFFFFF;
    --header-border: #E2E8F0;
    --header-text: #1E293B;

    /* Input / Form */
    --input-bg: #FFFFFF;
    --input-border: #E2E8F0;
    --input-text: #1E293B;
    --input-placeholder: #94A3B8;
    --input-focus-border: #2962FF;
    --input-focus-ring: rgba(41, 98, 255, 0.15);

    /* Table */
    --table-header-bg: #F8FAFC;
    --table-header-text: #64748B;
    --table-row-odd: #FFFFFF;
    --table-row-even: #F8FAFC;
    --table-row-hover: #F1F5F9;
    --table-border: #F1F5F9;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);

    /* Scrollbar */
    --scrollbar-track: #F1F5F9;
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-thumb-hover: #94A3B8;

    /* Badge */
    --badge-live-bg: rgba(5, 150, 105, 0.1);
    --badge-live-text: #059669;
    --badge-new-bg: rgba(41, 98, 255, 0.1);
    --badge-new-text: #2962FF;

    /* Card */
    --card-bg: #FFFFFF;
    --card-border: #E2E8F0;
    --card-hover-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ── Layout Tokens (theme-independent) ──────────────────── */
:root {
    --topnav-height: 56px;
    --content-max-width: 1600px;
}

/* ── Transition Tokens ──────────────────────────────────── */
:root {
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ── Border Radius Tokens ───────────────────────────────── */
:root {
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* ── Spacing Tokens ─────────────────────────────────────── */
:root {
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
}

/* ── Typography Tokens ──────────────────────────────────── */
:root {
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

    /* Font sizes */
    --text-xs: 0.75rem;       /* 12px - captions, labels */
    --text-sm: 0.8125rem;     /* 13px - table body */
    --text-base: 0.875rem;    /* 14px - body text */
    --text-md: 0.9375rem;     /* 15px - slightly larger body */
    --text-lg: 1.125rem;      /* 18px - section headers */
    --text-xl: 1.25rem;       /* 20px - page subtitles */
    --text-2xl: 1.5rem;       /* 24px - page titles */
    --text-3xl: 1.75rem;      /* 28px - stat card numbers */
    --text-4xl: 2.25rem;      /* 36px - hero numbers */

    /* Font weights */
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Line heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Letter spacing */
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
}

/* ── Global Base Styles ─────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: var(--font-sans);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    overflow-x: hidden;
}

/* ── Scrollbar Styling ──────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* ── Typography Classes ─────────────────────────────────── */
.text-heading {
    color: var(--text-heading);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
}

.text-body {
    color: var(--text-primary);
    font-weight: var(--weight-normal);
    line-height: var(--leading-normal);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-muted {
    color: var(--text-muted);
}

/* Tabular numbers for all financial data */
.tabular-nums,
table td,
table th,
.stat-value,
.price,
.change,
.volume,
.oi-value {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

/* ── Selection Colors ───────────────────────────────────── */
::selection {
    background-color: var(--accent-primary);
    color: #FFFFFF;
}

/* ── Focus Visible ──────────────────────────────────────── */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ── Semantic Color Classes ─────────────────────────────── */
.text-bullish { color: var(--bullish-text); }
.text-bearish { color: var(--bearish-text); }
.text-neutral { color: var(--neutral); }
.text-warning { color: var(--warning); }
.text-info    { color: var(--info); }
.text-danger  { color: var(--danger); }
.text-success { color: var(--success); }
.text-accent  { color: var(--accent-primary); }

.bg-bullish  { background-color: var(--bullish-bg); }
.bg-bearish  { background-color: var(--bearish-bg); }
.bg-neutral  { background-color: var(--neutral-bg); }
.bg-warning  { background-color: var(--warning-bg); }
.bg-info     { background-color: var(--info-bg); }
.bg-danger   { background-color: var(--danger-bg); }
.bg-success  { background-color: var(--success-bg); }

/* ── Surface & Card Utilities ───────────────────────────── */
.surface {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.surface-elevated {
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--card-hover-shadow);
}

/* ── Transition Utilities ───────────────────────────────── */
.transition-fast { transition: all var(--transition-fast); }
.transition-normal { transition: all var(--transition-normal); }

/* ── Live Pulse Animation ───────────────────────────────── */
@keyframes live-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.live-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--bullish);
    border-radius: 50%;
    animation: live-pulse 2s ease-in-out infinite;
}

.live-dot-lg {
    width: 8px;
    height: 8px;
}

/* ── Flash Animations for Real-time Data ────────────────── */
@keyframes flash-bullish {
    0% { background-color: var(--bullish-bg); }
    100% { background-color: transparent; }
}

@keyframes flash-bearish {
    0% { background-color: var(--bearish-bg); }
    100% { background-color: transparent; }
}

.flash-up {
    animation: flash-bullish 0.8s ease-out;
}

.flash-down {
    animation: flash-bearish 0.8s ease-out;
}

/* ── Skeleton Loading ───────────────────────────────────── */
@keyframes skeleton-pulse {
    0% { opacity: 0.6; }
    50% { opacity: 0.3; }
    100% { opacity: 0.6; }
}

.skeleton {
    background-color: var(--border-subtle);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-text {
    height: 0.875rem;
    margin-bottom: 0.5rem;
    width: 100%;
}

.skeleton-text-sm {
    height: 0.75rem;
    width: 60%;
}

.skeleton-circle {
    border-radius: 50%;
}

/* ============================================================
   PHASE 5: Professional DataTable, Stat Cards, Filter Panels,
   Badges, Page Layout — Trading Screener Standard
   ============================================================ */

/* ── Professional Data Table ────────────────────────────── */
.qs-table-wrap {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.qs-table-scroll {
    overflow-x: auto;
}

.qs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

/* Header */
.qs-table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: var(--table-header-bg);
    color: var(--table-header-text);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    padding: 0.625rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
    white-space: nowrap;
    user-select: none;
}

.qs-table thead th.text-right {
    text-align: right;
}

.qs-table thead th.text-center {
    text-align: center;
}

/* Sortable header */
.qs-table thead th.sortable {
    cursor: pointer;
}

.qs-table thead th.sortable:hover {
    color: var(--text-primary);
    background-color: var(--bg-surface-hover);
}

.qs-table thead th.sortable .sort-arrow {
    display: inline-block;
    margin-left: 0.25rem;
    font-size: 0.625rem;
    vertical-align: middle;
    color: var(--accent-primary);
}

/* ── Chip Toggle Buttons ──────────────────────────────────── */
.qs-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.qs-chip:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.qs-chip.active {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #FFFFFF;
}

/* Body rows — zebra striping */
.qs-table tbody tr:nth-child(odd) {
    background-color: var(--table-row-odd);
}

.qs-table tbody tr:nth-child(even) {
    background-color: var(--table-row-even);
}

/* Hover — NO transform, NO scale */
.qs-table tbody tr:hover {
    background-color: var(--table-row-hover);
}

/* Cells */
.qs-table tbody td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--table-border);
    color: var(--text-primary);
    vertical-align: middle;
    white-space: nowrap;
}

.qs-table tbody td.text-right {
    text-align: right;
}

.qs-table tbody td.text-center {
    text-align: center;
}

/* Numeric cells — right aligned, tabular */
.qs-table tbody td.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

/* Symbol/ticker cell — bold, clickable */
.qs-table tbody td.symbol {
    font-weight: var(--weight-semibold);
    color: var(--text-heading);
}

.qs-table tbody td.symbol a {
    color: var(--accent-primary);
    text-decoration: none;
}

.qs-table tbody td.symbol a:hover {
    text-decoration: underline;
}

/* Change% cells — colored text */
.qs-table .change-positive {
    color: var(--bullish-text);
    font-weight: var(--weight-medium);
}

.qs-table .change-negative {
    color: var(--bearish-text);
    font-weight: var(--weight-medium);
}

.qs-table .change-neutral {
    color: var(--neutral);
}

/* Row flash animation for real-time updates */
.qs-table tbody tr.flash-new {
    animation: flash-bullish 0.8s ease-out 0s 3 alternate;
}

/* ── Compact Table Variant ──────────────────────────────── */
.qs-table-compact thead th {
    padding: 0.5rem 0.625rem;
}

.qs-table-compact tbody td {
    padding: 0.375rem 0.625rem;
    font-size: var(--text-xs);
}

/* ── Responsive: horizontal scroll with sticky first col ── */
@media (max-width: 768px) {
    .qs-table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .qs-table thead th:first-child,
    .qs-table tbody td:first-child {
        position: sticky;
        left: 0;
        z-index: 5;
        background-color: inherit;
    }
}

/* ── Stat Cards ─────────────────────────────────────────── */
.qs-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.qs-stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    position: relative;
    border-left: 4px solid var(--accent-primary);
}

.qs-stat-card.bullish  { border-left-color: var(--bullish); }
.qs-stat-card.bearish  { border-left-color: var(--bearish); }
.qs-stat-card.warning  { border-left-color: var(--warning); }
.qs-stat-card.info     { border-left-color: var(--info); }
.qs-stat-card.success  { border-left-color: var(--success); }
.qs-stat-card.danger   { border-left-color: var(--danger); }

.qs-stat-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-secondary);
    margin-bottom: 0.375rem;
}

.qs-stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.qs-stat-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    margin-top: 0.375rem;
}

.qs-stat-change.positive {
    color: var(--bullish-text);
    background-color: var(--bullish-bg);
}

.qs-stat-change.negative {
    color: var(--bearish-text);
    background-color: var(--bearish-bg);
}

/* ── Filter Panel ───────────────────────────────────────── */
.qs-filter-panel {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.qs-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.qs-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 150px;
}

.qs-filter-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-secondary);
}

/* ── Form Inputs (themed) ───────────────────────────────── */
.qs-input,
.qs-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
    color: var(--input-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.qs-input::placeholder {
    color: var(--input-placeholder);
}

.qs-input:focus,
.qs-select:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 2px var(--input-focus-ring);
}

.qs-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23787B86' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

/* ── Buttons (themed) ───────────────────────────────────── */
.qs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    cursor: pointer;
    transition: background-color var(--transition-fast), opacity var(--transition-fast);
    white-space: nowrap;
}

.qs-btn:hover {
    opacity: 0.9;
}

.qs-btn-primary {
    background-color: var(--accent-primary);
    color: #FFFFFF;
}

.qs-btn-primary:hover {
    background-color: var(--accent-primary-hover);
}

.qs-btn-secondary {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.qs-btn-success {
    background-color: var(--bullish);
    color: #FFFFFF;
}

.qs-btn-danger {
    background-color: var(--danger);
    color: #FFFFFF;
}

.qs-btn-sm {
    padding: 0.375rem 0.625rem;
    font-size: var(--text-xs);
}

/* ── Badges / Pills ─────────────────────────────────────── */
.qs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: var(--weight-semibold);
    white-space: nowrap;
}

.qs-badge-bullish {
    background-color: var(--bullish-bg);
    color: var(--bullish-text);
}

.qs-badge-bearish {
    background-color: var(--bearish-bg);
    color: var(--bearish-text);
}

.qs-badge-warning {
    background-color: var(--warning-bg);
    color: var(--warning);
}

.qs-badge-info {
    background-color: var(--info-bg);
    color: var(--info);
}

.qs-badge-accent {
    background-color: var(--accent-primary-muted);
    color: var(--accent-primary);
}

/* OI Quadrant badges */
.qs-badge-long-buildup {
    background-color: var(--oi-long-buildup-bg);
    color: var(--oi-long-buildup);
}

.qs-badge-short-buildup {
    background-color: var(--oi-short-buildup-bg);
    color: var(--oi-short-buildup);
}

.qs-badge-short-covering {
    background-color: var(--oi-short-covering-bg);
    color: var(--oi-short-covering);
}

.qs-badge-long-unwinding {
    background-color: var(--oi-long-unwinding-bg);
    color: var(--oi-long-unwinding);
}

/* ── Tabs (for multi-tab pages like OI Analysis) ────────── */
.qs-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: 1rem;
    overflow-x: auto;
}

.qs-tab {
    padding: 0.625rem 1rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.qs-tab:hover {
    color: var(--text-primary);
}

.qs-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    font-weight: var(--weight-semibold);
}

/* ── Page Header ────────────────────────────────────────── */
.qs-page-header {
    margin-bottom: 1.25rem;
}

.qs-page-title {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qs-page-subtitle {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ── Empty State ────────────────────────────────────────── */
.qs-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}

.qs-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.qs-empty-text {
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
}

/* ── Loading Spinner (themed) ───────────────────────────── */
.qs-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.qs-spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Loading Overlay ────────────────────────────────────── */
.qs-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* ── Connection Status Banner ───────────────────────────── */
.qs-connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
}

.qs-connection-status.connected {
    background-color: var(--bullish-bg);
    color: var(--bullish-text);
}

.qs-connection-status.disconnected {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.qs-connection-status.reconnecting {
    background-color: var(--warning-bg);
    color: var(--warning);
}

/* ── OI Quadrant Card Borders ───────────────────────────── */
.qs-quadrant-long-buildup {
    border-left: 4px solid var(--oi-long-buildup);
}

.qs-quadrant-short-buildup {
    border-left: 4px solid var(--oi-short-buildup);
}

.qs-quadrant-short-covering {
    border-left: 4px solid var(--oi-short-covering);
}

.qs-quadrant-long-unwinding {
    border-left: 4px solid var(--oi-long-unwinding);
}

/* ── Percentage Inline (colored +/- text) ───────────────── */
.qs-pct {
    font-weight: var(--weight-medium);
    font-variant-numeric: tabular-nums;
}

.qs-pct.up   { color: var(--bullish-text); }
.qs-pct.down { color: var(--bearish-text); }
.qs-pct.flat { color: var(--neutral); }

/* ── Last Updated Timestamp ─────────────────────────────── */
.qs-last-updated {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: var(--weight-medium);
}

.qs-last-updated .live-dot {
    width: 5px;
    height: 5px;
}

/* ── Data Staleness Indicators ─────────────────────────────── */
.data-fresh {
    color: var(--bullish-text);
}

.data-fresh .staleness-dot {
    background-color: var(--bullish);
}

.data-aging {
    color: var(--warning);
}

.data-aging .staleness-dot {
    background-color: var(--warning);
}

.data-stale {
    color: var(--bearish-text);
}

.data-stale .staleness-dot {
    background-color: var(--bearish);
}

.staleness-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 0.375rem;
}

/* ── Table Skeleton Loading ────────────────────────────────── */
.qs-table-skeleton {
    width: 100%;
}

.qs-table-skeleton .skeleton-row {
    display: flex;
    gap: 1rem;
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--table-border);
}

.qs-table-skeleton .skeleton-row.header {
    background-color: var(--table-header-bg);
}

.qs-table-skeleton .skeleton-cell {
    height: 0.75rem;
    border-radius: var(--radius-xs);
    background-color: var(--border-subtle);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.qs-table-skeleton .skeleton-cell.w-20 { width: 20%; }
.qs-table-skeleton .skeleton-cell.w-15 { width: 15%; }
.qs-table-skeleton .skeleton-cell.w-10 { width: 10%; }
.qs-table-skeleton .skeleton-cell.w-25 { width: 25%; }

/* ============================================================
   PHASE 10: Public Pages — Landing, Pricing, Auth
   Professional marketing pages with theme support
   ============================================================ */

/* ── Public Page Wrapper ──────────────────────────────────── */
.qs-public {
    min-height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* ── Public Header (transparent → solid on scroll) ────────── */
.qs-public-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: color-mix(in srgb, var(--bg-primary) 80%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background-color var(--transition-normal);
}

.qs-public-header nav {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.qs-public-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo */
.qs-public-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.qs-public-logo .logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--accent-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.qs-public-logo .logo-icon svg {
    width: 20px;
    height: 20px;
    color: #FFFFFF;
}

.qs-public-logo .logo-text {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
}

.qs-public-logo .logo-sub {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-left: 0.5rem;
}

/* Nav links */
.qs-public-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qs-public-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast);
}

.qs-public-nav .nav-link:hover {
    color: var(--text-heading);
}

.qs-public-nav .nav-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-primary);
    margin: 0 0.25rem;
}

.qs-public-nav .nav-btn-outline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.qs-public-nav .nav-btn-outline:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-strong);
}

.qs-public-nav .nav-btn-primary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: #FFFFFF;
    background-color: var(--accent-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.qs-public-nav .nav-btn-primary:hover {
    background-color: var(--accent-primary-hover);
}

/* ── Hero Section ─────────────────────────────────────────── */
.qs-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 5rem 1rem 3rem;
}

.qs-hero-content {
    position: relative;
    z-index: 10;
    max-width: 80rem;
    margin: 0 auto;
    text-align: center;
}

.qs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background-color: var(--accent-primary-muted);
    border: 1px solid rgba(41, 98, 255, 0.25);
    margin-bottom: 2rem;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--accent-primary);
}

[data-theme="dark"] .qs-hero-badge {
    color: #5B8DEF;
}

.qs-hero h1 {
    font-size: clamp(2.25rem, 5vw, 4.5rem);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.qs-hero h1 .accent-text {
    color: var(--accent-primary);
}

.qs-hero-sub {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 48rem;
    margin: 0 auto 2.5rem;
    line-height: var(--leading-relaxed);
}

/* Hero CTA buttons */
.qs-hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.qs-btn-hero {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.qs-btn-hero.primary {
    color: #FFFFFF;
    background-color: var(--accent-primary);
    box-shadow: 0 4px 14px rgba(41, 98, 255, 0.3);
}

.qs-btn-hero.primary:hover {
    background-color: var(--accent-primary-hover);
    box-shadow: 0 6px 20px rgba(41, 98, 255, 0.4);
}

.qs-btn-hero.secondary {
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.qs-btn-hero.secondary:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-strong);
}

/* Hero stats */
.qs-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 56rem;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .qs-hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

.qs-hero-stat {
    text-align: center;
}

.qs-hero-stat .stat-num {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.qs-hero-stat .stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ── Feature Cards Section ────────────────────────────────── */
.qs-features {
    padding: 6rem 1rem;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.qs-features-inner {
    max-width: 80rem;
    margin: 0 auto;
}

.qs-features .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.qs-features .section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.qs-features .section-header p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 40rem;
    margin: 0 auto;
}

.qs-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.qs-feature-card {
    padding: 2rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.qs-feature-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--card-hover-shadow);
}

.qs-feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.qs-feature-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: #FFFFFF;
}

.qs-feature-card h3 {
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--text-heading);
    margin-bottom: 0.75rem;
}

.qs-feature-card p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

/* ── CTA Section ──────────────────────────────────────────── */
.qs-cta {
    padding: 6rem 1rem;
}

.qs-cta-card {
    max-width: 56rem;
    margin: 0 auto;
    padding: 3rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
}

.qs-cta-card h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.qs-cta-card p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

.qs-cta-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.qs-cta-actions .secondary-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.qs-cta-actions .secondary-link:hover {
    color: var(--text-heading);
}

.qs-cta-actions .secondary-link span {
    text-decoration: underline;
}

/* ── Public Footer ────────────────────────────────────────── */
.qs-public-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
}

.qs-public-footer .footer-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.qs-public-footer .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .qs-public-footer .footer-grid {
        grid-template-columns: 1fr;
    }
}

.qs-public-footer .footer-brand p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    max-width: 28rem;
    margin-top: 1rem;
}

.qs-public-footer h4 {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.qs-public-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.qs-public-footer .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.qs-public-footer .footer-links a:hover {
    color: var(--text-heading);
}

.qs-public-footer .footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.qs-public-footer .footer-bottom p {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.qs-public-footer .footer-bottom .footer-note {
    color: var(--text-muted);
    font-size: var(--text-xs);
}

/* ── Auth Card (Login, PendingApproval, AccessDenied) ─────── */
.qs-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    padding: 1rem;
}

.qs-auth-card {
    max-width: 28rem;
    width: 100%;
}

.qs-auth-card .card-main {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.qs-auth-card .card-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.qs-auth-card .card-logo .logo-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1rem;
    background-color: var(--accent-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qs-auth-card .card-logo .logo-icon svg {
    width: 2.5rem;
    height: 2.5rem;
    color: #FFFFFF;
}

.qs-auth-card .card-logo h1 {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.qs-auth-card .card-logo p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.qs-auth-card .card-footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.qs-auth-card .card-footer p {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.qs-auth-card .card-below {
    margin-top: 1.5rem;
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Auth info box */
.qs-auth-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--info-bg);
    border: 1px solid rgba(41, 98, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.qs-auth-info svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--info);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.qs-auth-info .info-title {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.qs-auth-info .info-text {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

/* Auth icon circle (for pending/denied pages) */
.qs-auth-icon {
    width: 6rem;
    height: 6rem;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qs-auth-icon.warning {
    background-color: var(--warning-bg);
    border: 3px solid rgba(255, 152, 0, 0.2);
}

.qs-auth-icon.warning svg {
    width: 3rem;
    height: 3rem;
    color: var(--warning);
}

.qs-auth-icon.danger {
    background-color: var(--danger-bg);
    border: 3px solid rgba(244, 67, 54, 0.2);
}

.qs-auth-icon.danger svg {
    width: 3rem;
    height: 3rem;
    color: var(--danger);
}

/* Auth user info card */
.qs-auth-user {
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.qs-auth-user .user-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
}

.qs-auth-user .user-row img {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 2px solid var(--border-primary);
}

.qs-auth-user .user-name {
    font-weight: var(--weight-semibold);
    color: var(--text-heading);
}

.qs-auth-user .user-email {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.qs-auth-user .user-date {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: 0.75rem;
}

/* Auth reason cards (for AccessDenied) */
.qs-auth-reason {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: var(--bg-elevated);
    border-radius: var(--radius-md);
}

.qs-auth-reason svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--warning);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.qs-auth-reason p {
    color: var(--text-primary);
    font-size: var(--text-sm);
}

/* Google button (stays white in both themes) */
.qs-google-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: #FFFFFF;
    color: #374151;
    font-weight: var(--weight-semibold);
    font-size: var(--text-base);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.qs-google-btn:hover {
    background-color: #F9FAFB;
    box-shadow: var(--shadow-md);
}

/* ── Pricing Cards ────────────────────────────────────────── */
.qs-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 72rem;
    margin: 0 auto;
}

.qs-pricing-card {
    position: relative;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.qs-pricing-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.qs-pricing-card.featured {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 1px var(--accent-primary), var(--shadow-lg);
}

.qs-pricing-card.best-value {
    border-color: var(--warning);
}

.qs-pricing-badge {
    position: absolute;
    top: -0.875rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: #FFFFFF;
    white-space: nowrap;
}

.qs-pricing-badge.popular {
    background-color: var(--accent-primary);
}

.qs-pricing-badge.value {
    background-color: var(--warning);
}

.qs-pricing-name {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.qs-pricing-period {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.qs-pricing-original {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-decoration: line-through;
}

.qs-pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.qs-pricing-amount .currency {
    font-size: var(--text-xl);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
}

.qs-pricing-amount .price {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
}

.qs-pricing-card.featured .qs-pricing-amount .price {
    color: var(--accent-primary);
}

.qs-pricing-card.best-value .qs-pricing-amount .price {
    color: var(--warning);
}

.qs-pricing-save {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.125rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
}

.qs-pricing-save.green {
    background-color: var(--bullish-bg);
    color: var(--bullish-text);
}

.qs-pricing-save.accent {
    background-color: var(--accent-primary-muted);
    color: var(--accent-primary);
}

.qs-pricing-save.warning {
    background-color: var(--warning-bg);
    color: var(--warning);
}

.qs-pricing-monthly {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.qs-pricing-features {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.qs-pricing-features .features-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.qs-pricing-card.featured .qs-pricing-features .features-label {
    color: var(--accent-primary);
}

.qs-pricing-card.best-value .qs-pricing-features .features-label {
    color: var(--warning);
}

.qs-pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.qs-pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.qs-pricing-features li svg {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    color: var(--bullish);
}

.qs-pricing-card.best-value .qs-pricing-features li svg {
    color: var(--warning);
}

/* Trust indicators */
.qs-trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
    color: var(--text-muted);
}

.qs-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--text-sm);
}

/* FAQ Section */
.qs-faq {
    max-width: 48rem;
    margin: 5rem auto 0;
}

.qs-faq h2 {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-heading);
    text-align: center;
    margin-bottom: 2rem;
}

.qs-faq-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.qs-faq-item h3 {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.qs-faq-item p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}
