/* ── Design Tokens ── */
:root {
    --bg: #0d1117;
    --bg-paper: #161b22;
    --ink: #c9d1d9;
    --ink-light: #8b949e;
    --ink-muted: #6e7681;
    --accent-teal: #2a9d8f;
    --accent-coral: #e76f51;
    --accent-slate: #58a6ff;
    --accent-gold: #e9c46a;
    --sketch: #c9d1d9;
    --border-sketch: #30363d;
    --font-hand: 'Kalam', cursive;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Paper Texture ── */
.paper-texture {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.25;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(42,157,143,0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(231,111,81,0.06) 0%, transparent 50%);
}

/* ── Sketch Box (hand-drawn border) ── */
.sketch-box {
    background: var(--bg-paper);
    border: 2px solid var(--border-sketch);
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    box-shadow: 3px 4px 0 rgba(0,0,0,0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.sketch-box:hover {
    transform: translateY(-2px) rotate(-0.3deg);
    box-shadow: 5px 7px 0 rgba(0,0,0,0.4);
}

/* ── Sketch Underline ── */
.sketch-underline {
    position: relative;
    display: inline-block;
    padding-bottom: 6px;
    margin-bottom: 16px;
}
.sketch-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-teal);
    border-radius: 100% 0% 100% 0% / 0% 100% 0% 100%;
    opacity: 0.7;
    transform: rotate(-0.5deg);
}

/* ── Container ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ── Header ── */
.site-header {
    border-bottom: 2px solid var(--border-sketch);
    background: rgba(13,17,23,0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.logo-sketch {
    width: 48px;
    height: 48px;
    color: var(--accent-slate);
    transform: rotate(-3deg);
}
.logo-sketch svg {
    width: 100%; height: 100%;
}
.brand-text h1 {
    font-family: var(--font-hand);
    font-size: 2rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.1;
    letter-spacing: 0.02em;
    transform: rotate(-1deg);
}
.tagline {
    font-family: var(--font-hand);
    font-size: 0.95rem;
    color: var(--ink-muted);
    margin-top: 2px;
    transform: rotate(0.5deg);
}
.lede {
    font-family: var(--font-hand);
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--ink-light);
    max-width: 680px;
    margin-top: 12px;
    transform: rotate(0.3deg);
}

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
}
.stat-card {
    padding: 24px 20px;
    text-align: center;
    position: relative;
}
.stat-card.highlight {
    border-color: var(--accent-teal);
    background: linear-gradient(135deg, rgba(42,157,143,0.1), rgba(42,157,143,0.04));
}
.stat-card.highlight::before {
    content: '★';
    position: absolute;
    top: 8px;
    right: 14px;
    font-size: 1.2rem;
    color: var(--accent-teal);
    opacity: 0.5;
    transform: rotate(12deg);
}
.stat-value {
    font-family: var(--font-hand);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.1;
}
.stat-label {
    font-family: var(--font-hand);
    font-size: 0.95rem;
    color: var(--ink-muted);
    margin-top: 6px;
}

/* ── Controls ── */
.controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 20px 0;
    flex-wrap: wrap;
}
.dataset-bar {
    display: none;
    margin-top: -6px;
}
.group-tabs, .dataset-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 8px 18px;
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    border: 2px solid var(--border-sketch);
    background: var(--bg-paper);
    color: var(--ink-light);
    font-family: var(--font-hand);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.tab-btn:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
    transform: rotate(-1deg) scale(1.02);
}
.tab-btn.active {
    background: var(--accent-slate);
    color: var(--bg);
    border-color: var(--accent-slate);
    transform: rotate(-1deg);
    box-shadow: 3px 3px 0 rgba(88,166,255,0.25);
}
.group-tab {
    font-size: 1rem;
    padding: 10px 20px;
}

/* ── Search ── */
.search-box input {
    width: 260px;
    padding: 10px 16px;
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    border: 2px solid var(--border-sketch);
    background: var(--bg-paper);
    color: var(--ink);
    font-family: var(--font-hand);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}
.search-box input:focus {
    border-color: var(--accent-teal);
    box-shadow: 3px 3px 0 rgba(42,157,143,0.2);
    transform: rotate(0.5deg);
}
.search-box input::placeholder {
    color: var(--ink-muted);
}

/* ── Section Header ── */
.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.section-header h2 {
    font-family: var(--font-hand);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ink);
    transform: rotate(-0.5deg);
}
.section-badge {
    font-family: var(--font-hand);
    background: var(--bg-paper);
    color: var(--accent-coral);
    padding: 4px 14px;
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 2px solid var(--border-sketch);
    transform: rotate(1deg);
}
.table-meta {
    font-family: var(--font-hand);
    font-size: 0.85rem;
    color: var(--ink-muted);
}

/* ── Chart ── */
.chart-section { margin: 32px 0; }
.chart-container {
    padding: 24px;
    min-height: 280px;
    position: relative;
}
.chart-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 240px;
    color: var(--ink-muted);
    font-family: var(--font-hand);
    font-size: 1.1rem;
}
.chart-svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ── Table ── */
.table-section { margin: 32px 0 64px; }
.table-wrap {
    overflow-x: hidden; /* No scroll needed now */
    padding: 4px;
}
.leaderboard {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.78rem; /* Reduced from 0.85rem to fit 12 cols */
}
.leaderboard thead {
    position: sticky;
    top: 0;
    z-index: 10;
}
.leaderboard th {
    padding: 10px 8px; /* Tighter padding */
    text-align: left;
    font-family: var(--font-hand);
    font-weight: 700;
    color: var(--ink);
    font-size: 0.88rem;
    border-bottom: 2px solid var(--border-sketch);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: color 0.2s ease;
    background: var(--bg-paper);
}
.leaderboard th:hover {
    color: var(--accent-teal);
}
.leaderboard th[data-sort].asc::after { content: ' ↑'; color: var(--accent-teal); }
.leaderboard th[data-sort].desc::after { content: ' ↓'; color: var(--accent-teal); }
.leaderboard td {
    padding: 10px 8px; /* Tighter padding */
    border-bottom: 1.5px dashed var(--border-sketch);
    vertical-align: middle;
}
.leaderboard tbody tr {
    transition: background 0.15s ease;
}
.leaderboard tbody tr:hover {
    background: rgba(42,157,143,0.06);
}
.leaderboard tbody tr:last-child td {
    border-bottom: none;
}

/* ── Rank Badge ── */
.col-rank {
    width: 40px; /* Slightly narrower */
    text-align: center !important;
}
.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px; /* Smaller badge */
    height: 26px;
    border-radius: 50%;
    font-family: var(--font-hand);
    font-weight: 700;
    font-size: 0.8rem;
    transform: rotate(-2deg);
}
.rank-1 {
    background: var(--accent-teal);
    color: #fff;
    box-shadow: 2px 2px 0 rgba(42,157,143,0.3);
}
.rank-2 {
    background: var(--accent-slate);
    color: #fff;
    box-shadow: 2px 2px 0 rgba(88,166,255,0.3);
}
.rank-3 {
    background: var(--accent-coral);
    color: #fff;
    box-shadow: 2px 2px 0 rgba(231,111,81,0.3);
}
.rank-other {
    background: var(--bg);
    color: var(--ink-muted);
    border: 2px solid var(--border-sketch);
}

/* ── Model Cell ── */
.col-model { min-width: 160px; /* Reduced from 200px */ }
.model-name {
    font-weight: 700;
    color: var(--ink);
    font-size: 0.85rem;
    line-height: 1.2;
}
.model-id {
    font-family: var(--font-hand);
    font-size: 0.7rem;
    color: var(--ink-muted);
    margin-top: 1px;
}

/* ── Backend Badge ── */
.backend-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    font-family: var(--font-hand);
    font-size: 0.65rem;
    font-weight: 700;
    border: 2px solid;
    transform: rotate(-1deg);
}
.backend-hf {
    background: rgba(42,157,143,0.12);
    color: var(--accent-teal);
    border-color: rgba(42,157,143,0.35);
}
.backend-tiktoken {
    background: rgba(88,166,255,0.12);
    color: var(--accent-slate);
    border-color: rgba(88,166,255,0.35);
}
.backend-google {
    background: rgba(231,111,81,0.12);
    color: var(--accent-coral);
    border-color: rgba(231,111,81,0.35);
}
.backend-anthropic {
    background: rgba(217,119,87,0.14);
    color: #c15f3c;
    border-color: rgba(217,119,87,0.4);
}
.backend-xai {
    background: rgba(120,120,130,0.14);
    color: #4a4a52;
    border-color: rgba(90,90,100,0.4);
}

/* ── Numbers ── */
.col-vocab, .col-tokens, .col-cpt {
    font-family: var(--font-hand);
    font-variant-numeric: tabular-nums;
    font-size: 0.92rem;
}
.col-cpt {
    font-weight: 700;
    color: var(--accent-coral);
}

/* ── Price & Throughput Columns ── */
.col-price, .col-price-adj, .col-throughput, .col-throughput-adj {
    font-family: var(--font-hand);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    font-size: 0.92rem;
}

/* ── Tokenizer Tax ── same signal as C/T, so it shares its accent color */
.col-tax {
    font-family: var(--font-hand);
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    color: var(--accent-coral);
    white-space: nowrap;
    font-size: 0.92rem;
}

/* ── Loading ── */
.loading-row td {
    text-align: center;
    padding: 48px;
    color: var(--ink-muted);
    font-family: var(--font-hand);
    font-size: 1rem;
}
.sketch-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-sketch);
    border-top-color: var(--accent-teal);
    border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
    animation: sketchSpin 1s ease-in-out infinite;
    margin: 0 auto 16px;
}
@keyframes sketchSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 64px 24px;
    color: var(--ink-muted);
    font-family: var(--font-hand);
    font-size: 1.1rem;
}
.empty-state h3 {
    color: var(--ink);
    margin-bottom: 8px;
    font-family: var(--font-hand);
    font-size: 1.3rem;
}

/* ── Footer ── */
.site-footer {
    border-top: 2px solid var(--border-sketch);
    padding: 28px 0;
    margin-top: auto;
    text-align: center;
    color: var(--ink-muted);
    font-family: var(--font-hand);
    font-size: 0.9rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .stats-grid { grid-template-columns: 1fr; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .search-box input { width: 100%; }
    .leaderboard { font-size: 0.7rem; }
    .leaderboard th, .leaderboard td { padding: 8px 6px; }
    .col-vocab { display: none; }
}
@media (max-width: 480px) {
    .col-backend, .col-tokens { display: none; }
    .brand-text h1 { font-size: 1.5rem; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-sketch); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-muted); }