*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fafafa;--fg: #111;--muted: #666;--border: #ddd;--accent: #000;--card-bg: #fff;--radius: 8px;--max-w: 600px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh}.page{max-width:var(--max-w);margin:0 auto;padding:16px}.header{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:16px}.header img{height:32px}.header h1{font-size:18px;font-weight:700;letter-spacing:1px}.header .sub{font-size:11px;color:var(--muted);margin-left:auto}.search-bar{display:flex;gap:8px;margin-bottom:16px}.search-bar input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:15px;outline:none}.search-bar input:focus{border-color:var(--accent)}.btn{padding:10px 20px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer}.btn:active{opacity:.8}.btn-outline{background:transparent;color:var(--fg);border:1px solid var(--border)}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:12px}.card-img{width:100%;max-height:420px;object-fit:contain;background:#f3f3f3;display:block}.card-body{padding:12px}.card-body h3{font-size:16px;margin-bottom:4px}.card-body .meta{font-size:12px;color:var(--muted)}.card-body .tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.tag{font-size:11px;padding:2px 8px;background:#f0f0f0;border-radius:20px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:4px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px}.form-group textarea{min-height:80px;resize:vertical}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;color:var(--muted);cursor:pointer;margin-bottom:14px}.upload-zone:active{border-color:var(--accent)}.nav-bottom{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);box-shadow:0 -6px 20px #0000000f;padding:10px 12px calc(10px + env(safe-area-inset-bottom));z-index:50}.nav-bottom a{flex:1;min-height:52px;display:flex;align-items:center;justify-content:center;border-radius:16px;font-size:15px;line-height:1;color:var(--muted);text-decoration:none;text-align:center;padding:0 8px;-webkit-tap-highlight-color:transparent}.nav-bottom a.active{color:var(--accent);font-weight:700;background:#f1f1f1}.empty{text-align:center;padding:40px 0;color:var(--muted)}@media (min-width: 768px){:root{--max-w: 800px}}