.site-header { background:color-mix(in srgb, var(--panel) 92%, transparent); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:10; backdrop-filter:blur(14px); }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:72px; }
.brand { display:flex; align-items:center; color:var(--text); min-width:150px; }
.text-brand { font-size:22px; font-weight:800; letter-spacing:-.04em; line-height:1; }
.brand:hover { text-decoration:none; color:var(--text); }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.top-nav { display:flex; align-items:center; flex-wrap:wrap; justify-content:flex-end; gap:6px; font-size:14px; }
.top-nav > a, .nav-menu > summary { border-radius:999px; color:var(--text); font-weight:600; padding:7px 10px; }
.top-nav > a:hover, .nav-menu > summary:hover { background:var(--code-bg); color:var(--text); text-decoration:none; }
.nav-menu { position:relative; }
.nav-menu > summary { cursor:pointer; list-style:none; }
.nav-menu > summary::-webkit-details-marker { display:none; }
.nav-menu > summary::after { content:"▾"; font-size:10px; margin-left:6px; color:var(--muted); }
.nav-menu-panel { position:absolute; right:0; top:calc(100% + 10px); min-width:220px; display:grid; gap:4px; padding:8px; background:var(--panel); border:1px solid var(--border); border-radius:12px; box-shadow:0 12px 30px rgba(27,31,36,.14); }
.nav-menu-panel a { border-radius:8px; color:var(--text); font-weight:600; padding:9px 10px; }
.nav-menu-panel a:hover { background:var(--code-bg); text-decoration:none; }
.theme-toggle { border:0; background:transparent; color:var(--text); border-radius:999px; padding:0; cursor:pointer; display:inline-flex; align-items:center; transition:box-shadow .2s ease, transform .2s ease; }
.theme-toggle:hover { box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent); transform:translateY(-1px); }
.theme-toggle:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }
.theme-switch-track { position:relative; display:grid; grid-template-columns:1fr 1fr; align-items:center; min-width:104px; min-height:34px; border:1px solid var(--border); border-radius:999px; background:var(--code-bg); overflow:hidden; box-shadow:inset 0 1px 0 rgba(255,255,255,.04); }
.theme-switch-option { position:relative; z-index:1; color:var(--muted); font-size:12px; font-weight:800; line-height:1; text-align:center; padding:10px 12px; transition:color .2s ease; }
.theme-switch-knob { position:absolute; z-index:0; top:3px; bottom:3px; left:3px; width:calc(50% - 3px); border-radius:999px; background:var(--panel); border:1px solid var(--border); box-shadow:var(--shadow); transition:transform .22s ease, background .22s ease, border-color .22s ease; }
.theme-toggle[data-theme-state="light"] .theme-switch-light, .theme-toggle[data-theme-state="dark"] .theme-switch-dark { color:var(--text); }
.theme-toggle[data-theme-state="dark"] .theme-switch-knob { transform:translateX(calc(100% - 3px)); background:color-mix(in srgb, var(--accent) 18%, var(--panel)); border-color:color-mix(in srgb, var(--accent) 40%, var(--border)); }
.site-main { min-height:70vh; }
.site-footer { margin-top:64px; background:linear-gradient(180deg, var(--panel), var(--code-bg)); border-top:1px solid var(--border); padding:42px 0; color:var(--muted); }
.footer-grid { display:grid; grid-template-columns:minmax(260px, 1.5fr) repeat(3, minmax(140px, 1fr)); gap:28px; }
.footer-grid-institutional { grid-template-columns:minmax(280px, 1.7fr) repeat(4, minmax(130px, 1fr)); }
.footer-brand p { max-width:440px; margin:10px 0 0; }
.footer-institutional { display:grid; align-content:start; gap:4px; }
.footer-brand-name { color:var(--text); display:inline-flex; align-items:center; line-height:1; }
.footer-brand-name.text-brand { font-size:26px; }
.footer-brand-name:hover { color:var(--text); text-decoration:none; }
.footer-column { display:grid; align-content:start; gap:8px; }
.footer-column h2 { color:var(--text); font-size:13px; letter-spacing:.08em; margin:0 0 4px; text-transform:uppercase; }
.footer-column a, .footer-legal a { color:var(--muted); }
.footer-column a:hover, .footer-legal a:hover { color:var(--accent-hover); }
.footer-legal { font-size:13px; }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:8px 13px; border:1px solid var(--border); border-radius:var(--radius); background:var(--panel); color:var(--text); font-weight:600; cursor:pointer; text-decoration:none; }
.btn:hover { text-decoration:none; border-color:var(--muted); }
.btn-primary { background:var(--success); border-color:var(--success); color:white; }
.btn-primary:hover { color:white; filter:brightness(.95); }
.btn-ghost { background:transparent; }
.btn-sm { padding:4px 8px; font-size:12px; }
.btn-oauth { width:100%; border-color:var(--text); justify-content:center; }
.badge, .label { display:inline-flex; align-items:center; gap:4px; border:1px solid var(--border); border-radius:999px; padding:3px 8px; font-size:12px; font-weight:600; background:var(--code-bg); color:var(--text); }
.badge-tier { color:var(--success); border-color:color-mix(in srgb, var(--success) 40%, var(--border)); background:var(--success-bg); }
.badge-tier-gold { color:#9a6700; border-color:#d4a72c; background:linear-gradient(135deg, #fff8c5, #f2cc60); }
.badge-tier-silver { color:#57606a; border-color:#afb8c1; background:linear-gradient(135deg, #f6f8fa, #d8dee4); }
.badge-tier-bronze { color:#7d4e00; border-color:#bf8700; background:linear-gradient(135deg, #fff1d6, #d18616); }
.badge-tier-default { color:var(--muted); border-color:var(--border); background:var(--code-bg); }
.badge-danger { color:var(--danger); border-color:color-mix(in srgb, var(--danger) 40%, var(--border)); background:var(--danger-bg); }
.label-muted { color:var(--muted); }
.notice { border:1px solid var(--border); border-radius:var(--radius); padding:12px 14px; background:var(--code-bg); margin:12px 0; }
.notice-success { border-color:var(--success); background:var(--success-bg); }
.notice-error { border-color:var(--danger); background:var(--danger-bg); }
.notice-locked { border-color:var(--warning); background:var(--warning-bg); color:var(--text); }
.grid { display:grid; gap:16px; }
.two-col { grid-template-columns:repeat(2, minmax(0,1fr)); }
.three-col { grid-template-columns:repeat(3, minmax(0,1fr)); }
.section-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; margin-block:32px; }
.section-head { display:flex; justify-content:space-between; align-items:center; gap:12px; margin-top:32px; }
.result-list { display:grid; gap:12px; }
.repo-card-header { display:flex; justify-content:space-between; gap:16px; align-items:flex-start; }
.repo-card-title { min-width:0; }
.repo-card h3, .dataset-head h1 { margin-top:0; }
.tag-row { display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.result-meta { display:grid; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr)); gap:10px; color:var(--muted); font-size:13px; }
.result-meta-item { display:grid; align-content:start; gap:4px; min-width:0; border:1px solid var(--border); border-radius:12px; background:color-mix(in srgb, var(--code-bg) 60%, transparent); padding:10px 12px; }
.result-meta-item strong { color:var(--text); }
.meta-label { color:var(--muted); font-size:11px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; }
.meta-help { color:var(--muted); font-size:12px; }
.score-chip { min-width:0; }
.score-bar { position:relative; overflow:hidden; width:100%; height:8px; border:1px solid var(--border); border-radius:999px; background:var(--code-bg); }
.score-bar span { display:block; height:100%; min-width:0; border-radius:inherit; transition:width .25s ease; }
.score-bar-high span { background:linear-gradient(90deg, var(--success), #56d364); }
.score-bar-medium span { background:linear-gradient(90deg, var(--warning), #f2cc60); }
.score-bar-low span { background:linear-gradient(90deg, var(--danger), #ff8182); }
.score-bar-empty span { background:var(--border); }
.score-bar::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg, transparent 24%, rgba(255,255,255,.35) 25%, transparent 26%, transparent 49%, rgba(255,255,255,.35) 50%, transparent 51%, transparent 74%, rgba(255,255,255,.35) 75%, transparent 76%); opacity:.45; pointer-events:none; }
.locked { color:var(--warning); }
.form-stack { display:grid; gap:14px; }
.auth-card { width:min(460px, calc(100% - 32px)); margin:48px auto; }
.auth-status-list { display:grid; gap:6px; margin:14px 0; padding-left:20px; color:var(--muted); }
.auth-status-list strong { color:var(--text); }
.check { display:flex; grid-template-columns:auto 1fr; align-items:flex-start; gap:8px; font-weight:400; }
.check input { width:auto; margin-top:4px; }
.table { width:100%; border-collapse:collapse; font-size:14px; }
.table th, .table td { border-bottom:1px solid var(--border); padding:9px; text-align:left; vertical-align:top; }
.inline-form { display:inline; }
.kv { display:grid; grid-template-columns:180px 1fr; gap:8px 14px; }
.kv dt { font-weight:700; color:var(--muted); }
.kv dd { margin:0; }
.link-stack { display:grid; gap:10px; }
.copyable { display:block; padding:8px; background:var(--code-bg); border:1px solid var(--border); border-radius:var(--radius); overflow:auto; }
.score-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.score-grid div, .metric { display:grid; gap:4px; }
.score { font-size:32px; font-weight:700; line-height:1; }
.score.small { font-size:20px; }
.breakdown-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:10px; }
.breakdown-grid div { display:grid; grid-template-columns:1fr auto; align-items:center; gap:8px 12px; border:1px solid var(--border); border-radius:var(--radius); padding:10px; }
.breakdown-grid .score-bar { grid-column:1 / -1; }
.markdown-body h1 { font-size:36px; }
.markdown-body h2 { margin-top:28px; border-bottom:1px solid var(--border); padding-bottom:8px; }
@media (max-width: 820px) { .two-col,.three-col,.section-grid { grid-template-columns:1fr; } .header-inner { align-items:flex-start; flex-direction:column; padding:12px 0; } .top-nav { justify-content:flex-start; } .nav-menu-panel { left:0; right:auto; } .footer-grid { grid-template-columns:1fr 1fr; } .footer-brand { grid-column:1 / -1; } .kv { grid-template-columns:1fr; } }
@media (max-width: 560px) { .section-head,.repo-card-header { align-items:flex-start; flex-direction:column; } .repo-card-header { gap:10px; } .result-meta { grid-template-columns:1fr; } .footer-grid { grid-template-columns:1fr; } }