*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-page:#f5f5f5;--surface:#fff;--control-bg:#f5f5f5;--control-hover-bg:#e8f0fe;--text-primary:#1a1a1a;--text-body:#444;--text-muted:#666;--border:#ddd;--border-strong:#ccc;--control-border:#767676;--accent:#1565c0;--accent-text:#fff;--pressed-border:#1565c0;--link:#1565c0;--focus-ring:#1565c0;--viewer-bg:#fff;--drawing-bg:#fff}:root[data-theme=dark]{--bg-page:#14181e;--surface:#1c222b;--control-bg:#232a34;--control-hover-bg:#26303d;--text-primary:#e6e8eb;--text-body:#c4cad3;--text-muted:#9aa2ad;--border:#2c333f;--border-strong:#3a424f;--control-border:#7d8693;--accent:#1565c0;--accent-text:#fff;--pressed-border:#5b9be8;--link:#5b9be8;--focus-ring:#5b9be8;--viewer-bg:#000;--drawing-bg:#fff}html{scroll-padding-top:16px}body{background:var(--bg-page);color:var(--text-primary);flex-direction:column;min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5;display:flex}a{color:var(--link)}:where(button,a,[tabindex]):focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}h1[tabindex="-1"]:focus,main:focus{outline:none}.skip-link{z-index:10;background:var(--surface);color:var(--link);border-radius:6px;padding:8px 12px;position:absolute;top:-100px;left:8px}.skip-link:focus{top:8px}.site-header{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:10px 16px;display:flex}.site-title{color:var(--text-primary);font-size:1.2rem;font-weight:700;text-decoration:none}.site-title:hover{text-decoration:underline}.spacer{flex:1}main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:20px 16px 32px}main h1{margin-bottom:12px;font-size:1.6rem;line-height:1.25}.intro{color:var(--text-body);max-width:60ch;margin-bottom:8px}.site-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--text-muted);text-align:center;padding:16px;font-size:.85rem}.group{margin-top:28px}.group h2{margin-bottom:10px;font-size:1.2rem}.cards{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;list-style:none;display:grid}.card{background:var(--surface);border:1px solid var(--border);height:100%;color:var(--text-primary);border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:10px;text-decoration:none;display:flex}.card:hover{border-color:var(--link)}.card img{aspect-ratio:1;background:var(--drawing-bg);border-radius:6px;width:100%;height:auto}.card-name{text-align:center;font-weight:700}.crumbs{color:var(--text-muted);margin-bottom:6px;font-size:.9rem}.layout{grid-template-columns:minmax(0,3fr) minmax(0,2fr);align-items:start;gap:20px;display:grid}@media (width<=860px){.layout{grid-template-columns:minmax(0,1fr)}}.viewer-panel{background:var(--surface);border:1px solid 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var(--control-border);background:var(--control-bg);min-width:44px;min-height:44px;color:var(--text-primary);cursor:pointer;border-radius:6px;padding:8px 14px;font-size:.95rem}button:hover{background:var(--control-hover-bg)}button[aria-pressed=true]{background:var(--accent);border:2px solid var(--pressed-border);color:var(--accent-text);padding:7px 13px;font-weight:700}.theme-toggle[aria-pressed=true]{background:var(--control-bg);border-color:var(--control-border);color:var(--text-primary);font-weight:400}.note{color:var(--text-body);font-size:.9rem}.status{color:var(--text-muted);min-height:1.4em;font-size:.9rem}.info{background:var(--surface);border:1px solid var(--border);color:var(--text-body);overflow-wrap:anywhere;border-radius:10px;padding:16px 20px}.info h2{color:var(--text-primary);margin:18px 0 6px;font-size:1.1rem}.info p,.info ul{margin:8px 0}.info ul{padding-left:20px}.info code{font-size:.9em}.info table{border-collapse:collapse;width:100%;margin:12px 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