/* ══════════════════════════════════════════════
   about.css — Shared styles for sub-pages
   (about.html, badges.html, coverage.html)
   ══════════════════════════════════════════════ */

:root {
    --bg-deep: #080b16;
    --bg-surface: #0e1225;
    --border: rgba(255, 255, 255, 0.10);
    --border-bright: rgba(255, 255, 255, 0.18);
    --text-primary: #e2e8f0;
    --text-secondary: #b8c4d4;
    --text-muted: #8a9ab0;
    --accent-blue: #60a5fa;
    --accent-emerald: #34d399;
    --accent-amber: #fbbf24;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
}

.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* ── Top Nav ── */
.top-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.top-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.15s;
}
.top-nav a:hover { color: var(--accent-blue); }
.top-nav .nav-sep {
    color: var(--text-muted);
    opacity: 0.4;
    font-size: 0.7rem;
}
.top-nav .nav-current {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
}

/* ── Title ── */
h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.disclaimer {
    color: #f5a623;
    font-size: 0.85rem;
    border: 1px solid rgba(245, 166, 35, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 32px;
    background: rgba(245, 166, 35, 0.06);
}
.disclaimer a { color: #f5a623; text-decoration: underline; }

/* ── Sections ── */
section {
    margin-bottom: 36px;
}
section h2 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}
section h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 20px 0 8px;
}
section p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
section ul {
    padding-left: 20px;
    margin-bottom: 8px;
}
section li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
section a {
    color: var(--accent-blue);
    text-decoration: none;
}
section a:hover { text-decoration: underline; }

strong { color: var(--text-primary); }
code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--accent-emerald);
}

/* ── Tables ── */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin: 8px 0 16px;
}
th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border-bright);
}
th:nth-child(2), th:nth-child(3) { text-align: center; width: 70px; }
td {
    padding: 4px 8px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
td:nth-child(2), td:nth-child(3) { text-align: center; }
.dim { color: var(--text-muted); font-size: 0.8rem; }
.group-label {
    font-weight: 600;
    color: var(--text-primary);
    padding-top: 12px;
}

/* ── Perf tables ── */
.perf-table th:nth-child(n+3),
.perf-table td:nth-child(n+3) {
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    width: auto;
}
.perf-table .expr {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.win { color: var(--accent-emerald); font-weight: 600; }
.win::after { content: ' 🏆'; font-size: 0.6rem; }

/* ── Link buttons ── */
.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-bright);
    border-radius: 6px;
    padding: 10px 16px;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.85rem;
    margin: 4px 4px 4px 0;
}
.link-btn:hover {
    border-color: var(--accent-blue);
}

/* ── Warning ── */
.warning {
    color: var(--accent-amber);
    font-size: 0.85rem;
}

/* ── Contact ── */
.contact {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ── Storage box ── */
.storage-box {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 16px;
    margin: 8px 0;
    font-size: 0.85rem;
}
.storage-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    color: var(--text-secondary);
}
.storage-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}
.storage-val.good { color: var(--accent-emerald); }
.storage-val.warn { color: var(--accent-amber); }

/* ── Footnote ── */
.footnote {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ══════════════════════════════════════════════
   Badge page (badges.html)
   ══════════════════════════════════════════════ */

.badge-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 24px;
    margin-bottom: 16px;
    transition: border-color 0.2s;
}
.badge-card:hover { border-color: var(--border-bright); }

.badge-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.badge-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}
.badge-name {
    font-weight: 600;
    font-size: 1rem;
}
.badge-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.6;
}
.badge-example {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    color: #e2e8f0;
    line-height: 1.5;
    overflow-x: auto;
}
.badge-example .comment {
    color: var(--text-muted);
    font-style: italic;
}
.badge-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ── How-it-works box ── */
.how-it-works {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 22px;
    margin-top: 24px;
}
.how-it-works h3 { font-size: 0.9rem; margin-bottom: 10px; }
.how-it-works p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.pipeline {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 14px 0;
    font-size: 0.8rem;
}
.pipeline-step {
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.25);
    border-radius: 6px;
    padding: 6px 10px;
    color: var(--accent-blue);
    font-weight: 500;
    font-size: 0.75rem;
}
.pipeline-arrow { color: var(--text-muted); font-size: 0.9rem; }

/* ── Cheatsheet block ── */
.cheatsheet-block {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 18px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    margin: 16px 0;
    position: relative;
}
.cheatsheet-block .line-comment {
    color: var(--text-muted);
    font-size: 0.72rem;
}
.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 0.65rem;
    padding: 3px 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.copy-btn:hover {
    background: rgba(255,255,255,0.15);
    color: var(--text-primary);
}

/* ── Page footer nav ── */
.page-footer-nav {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 40px;
}
.page-footer-nav a {
    color: var(--accent-blue);
    text-decoration: none;
}
.page-footer-nav a:hover { text-decoration: underline; }