/* ══════════════════════════════════════════════════════════
   Sharc Benchmark Arena — Dark Theme
   Faithfully translated from BrobaseArenaUX.jsx inline styles
   ══════════════════════════════════════════════════════════ */

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

:root {
    --sharc: #10B981;
    --sharc-dark: #059669;
    --sqlite: #3B82F6;
    --indexeddb: #F59E0B;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 48px;
    --bg: #050510;
    --card-bg: rgba(8, 8, 18, 0.92);
    --text: #fff;
    --text-muted: rgba(255, 255, 255, 0.3);
    --text-dim: rgba(255, 255, 255, 0.15);
    --border: rgba(255, 255, 255, 0.035);
    --border-light: rgba(255, 255, 255, 0.06);
    --font-sans: 'DM Sans', 'SF Pro Display', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.06); border-radius: 2px; }

/* ── Loading Screen ──────────────────────────────────── */

.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 16px;
}

.loading-shark { font-size: 3rem; animation: pulse 2s infinite; }
.loading-text { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; letter-spacing: 0.05em; }
.loading-bar { width: 120px; height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
.loading-bar-fill { width: 40%; height: 100%; background: var(--sharc); border-radius: 2px; animation: loading 1.5s ease-in-out infinite; }

@keyframes loading { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ── Backgrounds ─────────────────────────────────────── */

.arena-root {
    position: relative;
    min-height: 100vh;
}

.arena-bg-gradient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.025) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(59, 130, 246, 0.025) 0%, transparent 40%);
}

.arena-bg-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.008) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
    background-size: 80px 80px;
}

/* ── Container ───────────────────────────────────────── */

.arena-container {
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
}

.arena-container.mobile { padding: 10px; }

/* ── Header ──────────────────────────────────────────── */

.arena-header {
    text-align: center;
    padding: 18px 0;
    margin-bottom: 14px;
}

.arena-header-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--sharc);
    margin-bottom: 4px;
}

.arena-header-title {
    font-size: 1.8rem;
    font-weight: 900;
    margin: 0;
    background: linear-gradient(135deg, #fff 30%, rgba(255, 255, 255, 0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.arena-header-subtitle {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.28);
    margin-top: 4px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.mobile .arena-header { padding: 12px 0; margin-bottom: 8px; }
.mobile .arena-header-title { font-size: 1.2rem; }

/* ── Presets ─────────────────────────────────────────── */

.arena-presets-section { margin-top: 14px; }

.arena-presets-label {
    font-size: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.18);
    margin-bottom: 6px;
}

.preset-selector {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.preset-btn {
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    font-family: inherit;
}

.preset-btn.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
    color: var(--sharc);
    border-color: rgba(16, 185, 129, 0.3);
}

.preset-btn.disabled { opacity: 0.5; cursor: default; }
.preset-label { font-size: 0.75rem; font-weight: 700; }
.preset-desc { font-size: 0.55rem; color: rgba(255, 255, 255, 0.2); margin-top: 1px; }
.preset-btn.active .preset-desc { color: rgba(16, 185, 129, 0.6); }

/* ── Controls ────────────────────────────────────────── */

.arena-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.btn-run, .btn-stop {
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 11px 28px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.04em;
    transition: all 0.3s;
    font-family: inherit;
}

.btn-run {
    background: linear-gradient(135deg, #10B981, #059669);
    box-shadow: 0 4px 18px rgba(16, 185, 129, 0.3);
}

.btn-stop {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    box-shadow: 0 4px 18px rgba(239, 68, 68, 0.3);
}

.btn-run:hover { box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4); }
.btn-stop:hover { box-shadow: 0 6px 24px rgba(239, 68, 68, 0.4); }

.mobile .btn-run, .mobile .btn-stop { padding: 9px 18px; }

.arena-timer {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.35);
    display: flex;
    align-items: center;
    gap: 5px;
}

.arena-timer.active { color: #fff; }

.arena-progress-text {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.18);
}

/* ── Blink Dot ───────────────────────────────────────── */

.blink-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #EF4444;
    box-shadow: 0 0 9px #EF4444;
    animation: blink 1s ease infinite;
}

.blink-dot.red { width: 6px; height: 6px; box-shadow: 0 0 8px #EF4444; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }
@keyframes popIn { 0% { transform: scale(0.7); opacity: 0; } 60% { transform: scale(1.08); } 100% { transform: scale(1); opacity: 1; } }

/* ── Engine Legend ────────────────────────────────────── */

.arena-legend {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.arena-legend-item { display: flex; align-items: center; gap: 3px; }
.arena-legend-dot { width: 6px; height: 6px; border-radius: 2px; }
.arena-legend-text { font-size: 0.52rem; color: var(--text-muted); }
.arena-legend-footprint { color: rgba(255, 255, 255, 0.1); }

.mobile .arena-legend { gap: 6px; }

/* ── Layout ──────────────────────────────────────────── */

.arena-layout { display: block; }

.arena-layout.with-sidebar {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 16px;
}

.arena-sidebar {
    position: sticky;
    top: 18px;
    max-height: calc(100vh - 36px);
    overflow-y: auto;
    background: rgba(8, 8, 18, 0.55);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    padding: 10px 7px;
    border: 1px solid rgba(255, 255, 255, 0.025);
}

.arena-main {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ── Side Nav ────────────────────────────────────────── */

.sidenav { display: flex; flex-direction: column; gap: 2px; }

.sidenav-header {
    font-size: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.18);
    padding: 0 4px 5px;
}

.sidenav-hint { color: rgba(255, 255, 255, 0.08); }

.sidenav-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.sidenav-item.current {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.15);
}

.sidenav-item.done { background: rgba(255, 255, 255, 0.01); }

.sidenav-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.sidenav-dot.done { background: var(--sharc); }
.sidenav-dot.active { background: #EF4444; }

.sidenav-icon { font-size: 0.7rem; flex-shrink: 0; }

.sidenav-title {
    font-size: 0.57rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.22);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.sidenav-item.current .sidenav-title { color: #fff; }
.sidenav-item.done .sidenav-title { color: rgba(255, 255, 255, 0.5); }

.sidenav-cat-dot {
    width: 4px;
    height: 4px;
    border-radius: 1px;
    opacity: 0.3;
    flex-shrink: 0;
}

/* ── Progress Dots (mobile) ──────────────────────────── */

.progress-dots {
    display: flex;
    justify-content: center;
    gap: 3px;
    padding: 3px 0;
    flex-wrap: wrap;
}

.progress-dot {
    width: 4px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.06);
    transition: all 0.3s;
}

.progress-dot.current { width: 16px; background: var(--sharc); }
.progress-dot.done { background: rgba(16, 185, 129, 0.3); }

/* ── Slide Card ──────────────────────────────────────── */

.slide-card {
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 22px 26px;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.slide-card.pending { opacity: 0.35; }
.slide-card.active {
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 0 50px rgba(16, 185, 129, 0.06);
}

.mobile .slide-card { padding: 16px 12px; }

.slide-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
}

.slide-accent.active { background: linear-gradient(90deg, transparent 5%, #10B981, transparent 95%); }
.slide-accent.done { background: linear-gradient(90deg, transparent 5%, rgba(255,255,255,0.08), transparent 95%); }

/* ── Slide Header ────────────────────────────────────── */

.slide-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.slide-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 200px;
}

.slide-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slide-icon { font-size: 1.3rem; }
.slide-icon.mobile { font-size: 1.1rem; }

.slide-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.slide-category {
    font-size: 0.48rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 2px 7px;
    border-radius: 4px;
}

.slide-number { font-size: 0.48rem; color: rgba(255, 255, 255, 0.18); }
.slide-density-label { font-size: 0.48rem; color: rgba(255, 255, 255, 0.12); font-family: monospace; }

.slide-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 2px;
}

.mobile .slide-title { font-size: 0.9rem; }

.slide-subtitle {
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.32);
    margin: 0;
    line-height: 1.3;
}

/* ── Live Indicator ──────────────────────────────────── */

.live-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.live-text {
    font-size: 0.55rem;
    color: #EF4444;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Density Control ─────────────────────────────────── */

.density-control {
    display: flex;
    align-items: center;
    gap: 4px;
}

.density-label {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-right: 2px;
}

.density-buttons {
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.density-btn {
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.3);
    border: none;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
    padding: 3px 8px;
    font-size: 0.55rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all 0.15s;
}

.density-btn:last-child { border-right: none; }

.density-btn.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--sharc);
}

.density-btn.disabled { opacity: 0.5; cursor: default; }

/* ── Results Grid ────────────────────────────────────── */

.slide-results {
    display: grid;
    gap: 10px;
}

.mobile .slide-results { gap: 6px; }

/* ── Engine Result ───────────────────────────────────── */

.engine-result {
    background: rgba(255, 255, 255, 0.015);
    border-radius: 12px;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: all 0.5s;
}

.engine-result.winner {
    border: 1px solid transparent;
}

.engine-result.not-supported {
    background: rgba(255, 255, 255, 0.01);
    border: 1px dashed var(--border-light);
}

.engine-result.empty {
    background: rgba(255, 255, 255, 0.01);
}

.engine-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.engine-result-id {
    display: flex;
    align-items: center;
    gap: 6px;
}

.engine-icon { font-size: 0.9rem; }
.engine-name { font-size: 0.72rem; font-weight: 700; }
.engine-placeholder { color: rgba(255, 255, 255, 0.1); font-family: monospace; }

.fastest-badge {
    display: inline-flex;
    gap: 3px;
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    font-size: 0.5rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.not-supported-badge {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.6rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
}

.engine-value {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4px;
}

.engine-value.winner-value { color: inherit; }

.engine-bar-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 5px;
}

.engine-bar-track {
    height: 7px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
    overflow: hidden;
    flex: 1;
}

.engine-bar-fill {
    height: 100%;
    border-radius: 4px;
    width: 0%;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.engine-bar-fill.animate { /* width set inline */ }

.engine-slower {
    font-size: 0.56rem;
    color: rgba(255, 255, 255, 0.22);
    font-weight: 600;
    white-space: nowrap;
}

.engine-alloc { font-size: 0.65rem; color: rgba(255, 255, 255, 0.5); }

.engine-note {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
    margin-top: 3px;
    line-height: 1.3;
}

.engine-note.muted { color: rgba(255, 255, 255, 0.3); }

/* ── Tier Badge ──────────────────────────────────────── */

.tier-badge {
    font-size: 0.42rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tier-native {
    background: rgba(16, 185, 129, 0.1);
    color: rgba(16, 185, 129, 0.6);
}

.tier-js {
    background: rgba(245, 158, 11, 0.1);
    color: rgba(245, 158, 11, 0.6);
}

.tier-deferred {
    background: rgba(156, 163, 175, 0.1);
    color: rgba(156, 163, 175, 0.5);
}

/* ── Methodology ─────────────────────────────────────── */

.slide-methodology {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.45;
    font-style: italic;
}

.slide-methodology strong {
    color: rgba(255, 255, 255, 0.4);
    font-style: normal;
}

/* ── Scoreboard ──────────────────────────────────────── */

.scoreboard {
    background: var(--card-bg);
    backdrop-filter: blur(24px);
    border-radius: 20px;
    border: 1px solid transparent;
    padding: 24px;
}

.scoreboard-header { text-align: center; margin-bottom: 18px; }

.scoreboard-header-label {
    font-size: 0.52rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.22);
    margin-bottom: 5px;
}

.scoreboard-header-title {
    font-size: 1.7rem;
    font-weight: 900;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.scoreboard-grid { display: grid; gap: 10px; }

.scoreboard-card {
    background: rgba(255, 255, 255, 0.01);
    border-radius: 14px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
}

.scoreboard-card.winner { border: 1px solid transparent; }

.scoreboard-icon { font-size: 1.3rem; }
.scoreboard-name { font-size: 0.75rem; font-weight: 800; margin-top: 3px; }

.scoreboard-wins {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.6);
    margin: 4px 0;
}

.scoreboard-wins.winner-wins { color: inherit; }
.scoreboard-total { font-size: 0.52rem; color: rgba(255, 255, 255, 0.28); }
.scoreboard-supported { font-size: 0.48rem; color: var(--text-dim); margin-top: 2px; }

.scoreboard-champion {
    margin-top: 6px;
    display: inline-flex;
    color: #fff;
    font-size: 0.52rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.scoreboard-footer {
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
    font-size: 0.48rem;
    color: var(--text-dim);
    line-height: 1.6;
    max-width: 660px;
    margin-left: auto;
    margin-right: auto;
}

/* ── CTA Section ─────────────────────────────────────── */

.arena-cta {
    text-align: center;
    padding: 24px 14px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.01));
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.1);
}

.arena-cta-title {
    font-size: 1.3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #10B981, #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.arena-cta-text {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.38);
    max-width: 500px;
    margin: 0 auto 12px;
    line-height: 1.6;
}

.arena-cta-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: #10B981;
    color: #fff;
    text-decoration: none;
    padding: 8px 22px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    display: inline-block;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    padding: 8px 22px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border-light);
}

/* ── Blazor Error UI ─────────────────────────────────── */

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 1000;
    padding: 12px;
    background: #331010;
    color: #ff8080;
    text-align: center;
    font-size: 0.75rem;
}

#blazor-error-ui .reload { color: #ff8080; margin-left: 8px; }
#blazor-error-ui .dismiss { color: #ff8080; margin-left: 8px; cursor: pointer; }

/* ── Section Header ─────────────────────────────────── */

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-sm);
}

.section-header-icon { font-size: 0.8rem; }
.section-header-label { font-size: 0.55rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }

/* ── Speedup Badge ──────────────────────────────────── */

.speedup-badge {
    display: inline-flex;
    color: #fff;
    font-size: 0.55rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 99px;
    letter-spacing: 0.05em;
    margin-top: 3px;
    animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Allocation Bar ─────────────────────────────────── */

.alloc-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.alloc-bar-label {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
    text-transform: uppercase;
    flex-shrink: 0;
    width: 28px;
}

.alloc-bar-track {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.03);
    flex: 1;
    overflow: hidden;
}

.alloc-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.8s ease;
}

.alloc-bar-value {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.3);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

/* ── Why It Matters Tooltip ─────────────────────────── */

.why-tooltip {
    margin-top: var(--space-sm);
}

.why-tooltip-toggle {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    padding: 2px 0;
    font-family: inherit;
    transition: color 0.2s;
}

.why-tooltip-toggle:hover { color: rgba(255, 255, 255, 0.4); }

.why-tooltip-body {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.5;
    padding: var(--space-sm) 0;
    animation: fadeUp 0.3s ease-out;
}

/* ── Query Pipeline Page (Page 4) ───────────────────── */

.query-page {
    max-width: 900px;
    width: 100%;
    padding: var(--space-xl) var(--space-lg);
}

.query-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--sharc);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.query-title {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 0 0 var(--space-sm);
    text-align: center;
}

.query-subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.query-summary {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.query-summary-item { text-align: center; }

.query-summary-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 900;
    display: block;
}

.sharc-summary .query-summary-value { color: var(--sharc); }
.sqlite-summary .query-summary-value { color: var(--sqlite); }
.tie-summary .query-summary-value { color: rgba(255, 255, 255, 0.75); }

.query-summary-label {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.query-table {
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.query-table-header {
    display: grid;
    grid-template-columns: 32px 1fr 90px 90px 100px;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.25);
}

.query-row {
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.015);
}

.query-row:hover { background: rgba(255, 255, 255, 0.02); }
.query-row:last-child { border-bottom: none; }
.query-row.sharc-wins { box-shadow: inset 2px 0 0 rgba(16, 185, 129, 0.6); }
.query-row.sqlite-wins { box-shadow: inset 2px 0 0 rgba(59, 130, 246, 0.6); }
.query-row.tie { box-shadow: inset 2px 0 0 rgba(148, 163, 184, 0.55); }

.query-row-main {
    display: grid;
    grid-template-columns: 32px 1fr 90px 90px 100px;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    align-items: center;
}

.query-row-num {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.query-row-query {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.query-row-sharc, .query-row-sqlite {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 700;
    text-align: right;
}

.query-row-winner {
    font-size: 0.6rem;
    font-weight: 800;
    text-align: right;
}

.query-row-detail {
    padding: 0 var(--space-md) var(--space-sm);
    animation: fadeUp 0.2s ease-out;
}

.query-row-desc {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: var(--space-xs);
}

.query-row-allocs {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.2);
}

.query-row-allocs strong { color: rgba(255, 255, 255, 0.4); }
.query-row-tie { color: rgba(255, 255, 255, 0.65); }

.query-note {
    font-size: 0.5rem;
    color: var(--text-dim);
    text-align: center;
    font-style: italic;
}

/* ── Trust Demo Page (Page 5) ───────────────────────── */

.trust-page {
    max-width: 700px;
    width: 100%;
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
}

.trust-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--warning);
    margin-bottom: var(--space-sm);
}

.trust-title {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 0 0 var(--space-sm);
}

.trust-subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.trust-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.trust-step {
    display: flex;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    padding: var(--space-md) var(--space-lg);
    opacity: 0.35;
    transition: all 0.4s;
}

.trust-step.active {
    opacity: 1;
    border-color: rgba(16, 185, 129, 0.2);
}

.trust-step.tamper {
    border-color: rgba(239, 68, 68, 0.3);
}

.trust-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    flex-shrink: 0;
}

.trust-step.active .trust-step-num {
    background: rgba(16, 185, 129, 0.15);
    color: var(--sharc);
}

.trust-step.tamper .trust-step-num {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.trust-step-content { flex: 1; }

.trust-step-title {
    font-size: 0.85rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 var(--space-xs);
}

.trust-step-desc {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.35);
    margin: 0 0 var(--space-sm);
}

.trust-step-result {
    display: flex;
    flex-direction: column;
    gap: 2px;
    animation: fadeUp 0.3s ease-out;
}

.trust-step-result code {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.03);
    padding: 2px 8px;
    border-radius: 4px;
}

.trust-step-result.success code { color: var(--sharc); }
.trust-step-result.error code { color: var(--error); }

.trust-controls {
    margin-bottom: var(--space-md);
}

.trust-btn {
    min-width: 200px;
    min-height: 44px;
}

.trust-note {
    font-size: 0.5rem;
    color: var(--text-dim);
    font-style: italic;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ── Arena Loading ───────────────────────────────────── */

.arena-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.loading-title {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.loading-race {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 340px;
}

.loading-engine {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    opacity: 0.35;
    transition: opacity 0.3s, border-color 0.3s, background 0.3s;
}

.loading-engine.active {
    opacity: 1;
    border-color: rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.05);
}

.loading-engine.done {
    opacity: 1;
    border-color: var(--sharc);
    background: rgba(16,185,129,0.06);
}

.loading-engine-icon { font-size: 1.3rem; }
.loading-engine-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.loading-engine-name { font-size: 0.9rem; color: #fff; font-weight: 700; }
.loading-engine-size { font-size: 0.7rem; color: var(--text-muted); font-weight: 400; margin-left: 0.4rem; }
.loading-engine-time { font-size: 0.75rem; color: var(--sharc); font-family: 'JetBrains Mono', monospace; }

.loading-pulse { animation: pulse 1s infinite; color: rgba(255,255,255,0.4) !important; }
@keyframes pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }

.loading-check { color: var(--sharc); font-size: 1.1rem; font-weight: 700; }

.loading-verdict {
    font-size: 1rem;
    color: var(--sharc);
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.loading-verdict strong {
    color: #fff;
    font-size: 1.2rem;
}

.loading-ready {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ── 7-Page Layout ──────────────────────────────────── */

.arena-pages {
    scroll-behavior: smooth;
}

.arena-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeUp 0.6s ease-out;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Page Nav (fixed side dots) ─────────────────────── */

.page-nav {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
}

.page-nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    flex-direction: row-reverse;
}

.page-nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    flex-shrink: 0;
}

.page-nav-dot.active {
    background: var(--sharc);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
    width: 10px;
    height: 10px;
}

.page-nav-label {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.15);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.page-nav-item:hover .page-nav-label { opacity: 1; }
.page-nav-item.active .page-nav-label { opacity: 1; color: var(--sharc); }

/* ── Page Stub (placeholder) ────────────────────────── */

.page-stub {
    text-align: center;
    padding: var(--space-xl);
    max-width: 500px;
}

.page-stub-icon { font-size: 3rem; margin-bottom: var(--space-md); }
.page-stub-title { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: var(--space-sm); }
.page-stub-text { font-size: 0.75rem; color: var(--text-muted); line-height: 1.6; }

/* ── Hook Page (Page 1) ─────────────────────────────── */

.hook-page {
    text-align: center;
    max-width: 800px;
    padding: var(--space-xl) var(--space-lg);
}

.hook-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--sharc);
    margin-bottom: var(--space-sm);
}

.hook-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.1;
    margin: 0 0 var(--space-md);
    background: linear-gradient(135deg, #fff 30%, rgba(255, 255, 255, 0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.hook-accent {
    background: linear-gradient(135deg, var(--sharc), #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hook-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.4);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.hook-proof-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.hook-proof-item {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(59, 130, 246, 0.06));
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 12px;
    padding: 10px 12px;
    text-align: left;
}

.hook-proof-label {
    display: block;
    font-size: 0.5rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 4px;
}

.hook-proof-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 800;
    color: #fff;
}

.hook-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hook-cta {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hook-btn { min-width: 160px; text-align: center; }

/* ── Value Pillar ───────────────────────────────────── */

.value-pillar {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: var(--space-lg);
    text-align: center;
}

.value-pillar-icon { font-size: 1.5rem; display: block; margin-bottom: var(--space-sm); }

.value-pillar-stat {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--sharc);
    margin-bottom: var(--space-xs);
}

.value-pillar-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    font-weight: 600;
}

/* ── Context Problem Page (Page 2) ──────────────────── */

.context-page {
    max-width: 900px;
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
}

.context-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--warning);
    margin-bottom: var(--space-sm);
}

.context-title {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 0 0 var(--space-sm);
}

.context-subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.context-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.context-column {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: var(--space-lg);
}

.context-column.new {
    border-color: rgba(16, 185, 129, 0.2);
    background: rgba(16, 185, 129, 0.03);
}

.context-column-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.25);
    margin-bottom: var(--space-md);
}

.context-column.new .context-column-label { color: var(--sharc); }

.context-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.context-list li {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    padding-left: 16px;
    position: relative;
}

.context-list li::before {
    content: '\2717';
    position: absolute;
    left: 0;
    color: var(--error);
    font-weight: 700;
}

.context-list.sharc-list li::before {
    content: '\2713';
    color: var(--sharc);
}

.context-scenarios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* ── Scenario Card ──────────────────────────────────── */

.scenario-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    padding: var(--space-lg);
    text-align: center;
}

.scenario-stat {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 900;
    margin-bottom: var(--space-xs);
}

.scenario-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-xs);
}

.scenario-desc {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.4;
}

/* ── Honest Comparison Page (Page 6) ────────────────── */

.honest-page {
    max-width: 900px;
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
}

.honest-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--sqlite);
    margin-bottom: var(--space-sm);
}

.honest-title {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 0 0 var(--space-sm);
}

.honest-subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.35);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.measuring-note {
    display: inline-block;
    margin-left: 8px;
    color: rgba(245, 158, 11, 0.85);
    font-size: 0.75rem;
}

.honest-matchup {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--space-lg);
}

.honest-chip {
    display: inline-block;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 99px;
    padding: 4px 10px;
    border: 1px solid transparent;
}

.honest-vs {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sharc-chip {
    color: var(--sharc);
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(16, 185, 129, 0.12);
}

.sqlite-chip {
    color: var(--sqlite);
    border-color: rgba(59, 130, 246, 0.35);
    background: rgba(59, 130, 246, 0.12);
}

.idb-chip {
    color: var(--indexeddb);
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(245, 158, 11, 0.12);
}

.honest-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.honest-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: var(--space-lg);
}

.honest-card.sharc-excels { border-color: rgba(16, 185, 129, 0.15); }
.honest-card.sqlite-excels { border-color: rgba(59, 130, 246, 0.15); }

.honest-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.honest-icon { font-size: 1.2rem; }

.honest-card-title {
    font-size: 0.85rem;
    font-weight: 800;
}

.honest-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.honest-list li {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.4;
}

.honest-list li strong {
    color: rgba(255, 255, 255, 0.7);
}

.honest-verdict {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    line-height: 1.6;
}

.honest-verdict strong { color: rgba(255, 255, 255, 0.6); }

/* ── CTA Page (Page 7) ──────────────────────────────── */

.cta-page {
    max-width: 900px;
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
}

.cta-badge {
    font-size: 0.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--sharc);
    margin-bottom: var(--space-sm);
}

.cta-title {
    font-size: 2rem;
    font-weight: 900;
    color: #fff;
    margin: 0 0 var(--space-sm);
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.38);
    max-width: 640px;
    margin: 0 auto var(--space-lg);
    line-height: 1.6;
}

.cta-proof-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.cta-proof-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 9px 10px;
    text-align: left;
}

.cta-proof-label {
    display: block;
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 3px;
}

.cta-proof-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #fff;
    font-weight: 800;
}

.cta-paths {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.cta-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: var(--space-lg);
    text-align: center;
}

.cta-card.developer { border-color: rgba(16, 185, 129, 0.15); }
.cta-card.decision-maker { border-color: rgba(59, 130, 246, 0.15); }
.cta-card.enterprise { border-color: rgba(245, 158, 11, 0.15); }

.cta-card-icon { font-size: 1.8rem; display: block; margin-bottom: var(--space-sm); }

.cta-card-title {
    font-size: 0.9rem;
    font-weight: 800;
    color: #fff;
    margin: 0 0 var(--space-sm);
}

.cta-card-desc {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    margin: 0 0 var(--space-md);
    line-height: 1.5;
}

.cta-card-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
}

.cta-nuget {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--sharc);
    background: rgba(16, 185, 129, 0.08);
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.cta-btn { width: 100%; display: block; text-align: center; }

.cta-footer {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.2);
    letter-spacing: 0.05em;
}

/* ── Live Toggle ────────────────────────────────────── */

.arena-live-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
}

.arena-live-toggle input { display: none; }

.arena-live-toggle-slider {
    width: 28px;
    height: 14px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 7px;
    position: relative;
    transition: background 0.2s;
}

.arena-live-toggle-slider::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s, background 0.2s;
}

.arena-live-toggle input:checked + .arena-live-toggle-slider {
    background: rgba(16, 185, 129, 0.3);
}

.arena-live-toggle input:checked + .arena-live-toggle-slider::after {
    background: var(--sharc);
    transform: translateX(14px);
}

.arena-live-toggle-label {
    font-size: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.2);
}

/* ── Responsive ──────────────────────────────────────── */

@media (max-width: 767px) {
    .arena-layout.with-sidebar { display: block; }
    .arena-sidebar { display: none; }
    .page-nav { display: none; }
    .hook-title { font-size: 2rem; }
    .hook-proof-strip { grid-template-columns: 1fr; }
    .hook-pillars { grid-template-columns: 1fr; }
    .context-comparison { grid-template-columns: 1fr; }
    .context-scenarios { grid-template-columns: 1fr; }
    .honest-grid { grid-template-columns: 1fr; }
    .cta-proof-strip { grid-template-columns: 1fr; }
    .cta-paths { grid-template-columns: 1fr; }
    .arena-page { padding: var(--space-md); min-height: auto; }

    .btn-run, .btn-stop, .btn-primary, .btn-secondary {
        min-height: 44px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hook-title { font-size: 2.5rem; }
    .hook-proof-strip { grid-template-columns: repeat(2, 1fr); }
    .cta-proof-strip { grid-template-columns: repeat(2, 1fr); }
    .cta-paths { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
    /* desktop defaults */
}

/* ═══════════════════════════════════════════════════════════════════════
   SQL Playground
   ═══════════════════════════════════════════════════════════════════════ */

.playground-page {
    max-width: 960px;
    width: 100%;
    padding: var(--space-xl) var(--space-lg);
}

.playground-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.playground-workload {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.playground-workload-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-right: var(--space-xs);
}

.playground-workload-btn {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 6px 12px;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    background: transparent;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.15s ease;
}

.playground-workload-btn:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
}

.playground-workload-btn.active {
    border-color: var(--sharc);
    color: var(--sharc);
    background: rgba(16, 185, 129, 0.08);
}

.playground-editor-wrap {
    margin-bottom: var(--space-md);
}

.playground-editor {
    width: 100%;
    min-height: 120px;
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    color: #e2e8f0;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    resize: vertical;
    outline: none;
    transition: border-color 0.15s ease;
}

.playground-editor:focus {
    border-color: var(--sharc);
}

.playground-editor::placeholder {
    color: rgba(255, 255, 255, 0.15);
}

.playground-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.playground-run-btn {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    background: var(--sharc);
    color: #000;
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 44px;
}

.playground-run-btn:hover:not(:disabled) {
    background: var(--sharc-dark);
}

.playground-run-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.playground-clear-btn {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    padding: 10px 16px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: transparent;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 44px;
}

.playground-clear-btn:hover:not(:disabled) {
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
}

.playground-schema-hint {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.2);
    margin-left: auto;
}

.playground-error {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--error);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-md);
    word-break: break-word;
}

/* ── Performance Panel ── */

.playground-perf {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.playground-perf-card {
    flex: 1;
    padding: var(--space-md);
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    border-top-width: 3px;
    text-align: center;
}

.playground-perf-card.winner {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.06);
}

.playground-perf-engine {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-sm);
}

.playground-perf-time {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 4px;
}

.playground-perf-alloc {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 4px;
}

.playground-perf-rows {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.2);
}

.playground-winner {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    padding: var(--space-sm);
}

/* ── Result Grid ── */

.playground-grid {
    margin-bottom: var(--space-lg);
}

.playground-grid-info {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: var(--space-sm);
}

.playground-grid-scroll {
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.playground-grid table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.playground-grid th {
    position: sticky;
    top: 0;
    background: rgba(8, 8, 18, 0.98);
    color: rgba(255, 255, 255, 0.5);
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}

.playground-grid td {
    padding: 6px 12px;
    color: rgba(255, 255, 255, 0.6);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.playground-grid tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.01);
}

.playground-grid tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.playground-grid .null-cell {
    color: rgba(255, 255, 255, 0.15);
    font-style: italic;
}

/* ── Sample Queries ── */

.playground-samples {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-top: var(--space-md);
}

.playground-samples-label {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-right: var(--space-xs);
}

.playground-chip {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 5px 10px;
    border: 1px solid var(--border-light);
    border-radius: 20px;
    background: transparent;
    color: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.playground-chip:hover {
    border-color: var(--sharc);
    color: var(--sharc);
    background: rgba(16, 185, 129, 0.05);
}

/* ── Playground responsive ── */

@media (max-width: 767px) {
    .playground-perf { flex-direction: column; }
    .playground-grid { font-size: 0.7rem; }
    .playground-schema-hint { display: none; }
    .playground-perf-time { font-size: 1.2rem; }
    .playground-editor { min-height: 100px; font-size: 0.78rem; }
    .playground-samples { gap: 6px; }
}