:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c1f24;--muted: #5f6672;--border: #dde1e6;--accent: #2563eb;--accent-text: #ffffff;--error: #b42318;color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #15171b;--surface: #1e2126;--text: #e8eaed;--muted: #9aa0a9;--border: #33373e;--accent: #4f8bff;--error: #f97066}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}kbd{font:.85em ui-monospace,monospace;padding:.1em .4em;border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;background:var(--surface)}.loading{padding:2rem;color:var(--muted)}.home{max-width:880px;margin:0 auto;padding:2.5rem 1rem 4rem}.home-header h1{margin:0 0 .5rem;font-size:1.8rem}.home-header p{margin:0;color:var(--muted);line-height:1.6}.home h2{font-size:1.1rem;margin:2.25rem 0 .9rem}.notice{margin:1.5rem 0 0;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.notice.error{color:var(--error)}.muted{color:var(--muted)}.small{font-size:.9rem;line-height:1.5}.cards{list-style:none;padding:0;margin:0;display:grid;gap:.75rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.card{display:flex;flex-direction:column;gap:.4rem;height:100%;padding:1rem;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:inherit;text-decoration:none;transition:border-color .15s}.card:hover{border-color:var(--accent)}.card-title{font-weight:600}.card-desc{color:var(--muted);font-size:.9rem;line-height:1.45;flex:1}.card-path{color:var(--accent);font-size:.85rem}.viewer-page{display:flex;flex-direction:column;height:100%}.viewer-bar{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.5rem 1rem;border-bottom:1px solid var(--border);background:var(--surface);font-size:.9rem}.viewer-bar .back{color:var(--accent);text-decoration:none;white-space:nowrap}.viewer-bar select{max-width:50vw;padding:.35rem .5rem;font:inherit;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:inherit}.viewer-bar .hint{color:var(--muted);margin-left:auto}.viewer{flex:1;min-height:0}@media(max-width:640px){.viewer-bar .hint{display:none}}