:root{--bg: #f6f7f9;--panel: #ffffff;--border: #e2e5ea;--text: #1d2330;--muted: #6b7280;--accent: #2563eb;--accent-hover: #1d4ed8;--danger: #b91c1c;--danger-bg: #fef2f2;--radius: 8px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.nav{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem 1rem;padding:.75rem 1.25rem;background:var(--panel);border-bottom:1px solid var(--border)}.nav .brand{font-weight:700;margin-right:auto}.nav a{color:var(--text);font-weight:500}.nav a.active{color:var(--accent)}.container{max-width:1000px;margin:0 auto;padding:1.5rem 1.25rem 3rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.auth-card{max-width:380px;margin:3rem auto}label{display:block;font-weight:500;margin-bottom:.25rem}input[type=text],input[type=email],input[type=password],input[type=datetime-local],input[type=search],textarea{width:100%;padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;font:inherit;font-size:16px;background:#fff;color:var(--text)}.field{margin-bottom:1rem}button{font:inherit;font-weight:600;min-height:44px;padding:.5rem 1.1rem;border:1px solid transparent;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;color:var(--text);border-color:var(--border)}.error{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca;border-radius:6px;padding:.6rem .75rem;margin-bottom:1rem;white-space:pre-wrap}.muted{color:var(--muted)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.gallery-item{display:block;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--panel)}.gallery-item img{width:100%;aspect-ratio:1 / 1;object-fit:cover;display:block;background:#eef0f3}.gallery-item .meta{padding:.5rem .6rem;font-size:.82rem}.thumb-row{display:flex;flex-wrap:wrap;gap:.75rem}.source-thumb{width:96px}.source-thumb img{width:96px;height:96px;object-fit:cover;border-radius:6px;border:1px solid var(--border);background:#eef0f3}.detail-image{max-width:100%;max-height:60vh;border-radius:var(--radius);border:1px solid var(--border)}.comment{border-top:1px solid var(--border);padding:.6rem 0;white-space:pre-wrap;word-break:break-word}.comment:first-child{border-top:none}.comment .byline{font-size:.78rem;color:var(--muted);margin-top:.2rem}.answer{white-space:pre-wrap;word-break:break-word}.snippet{font-size:.82rem;color:var(--muted);white-space:pre-wrap;word-break:break-word}.stack>*+*{margin-top:1.25rem}@media (max-width: 600px){.container{padding:1rem 1rem 2.5rem}.nav{padding:.6rem 1rem;gap:.4rem .9rem}.nav .brand{margin-right:0;flex-basis:100%}.nav a{padding:.35rem 0}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.detail-image{max-height:50vh}.auth-card{margin:1.5rem auto}}