*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Noto Sans TC,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}#root{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:20px;padding:0 20px;height:56px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar .nav{flex:1;font-weight:600;color:var(--muted)}main{flex:1;padding:20px;max-width:1280px;width:100%;margin:0 auto}h2{font-size:16px;margin:24px 0 12px}h2:first-child{margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}.card>h3{margin:0;padding:12px 16px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--border);font-weight:600}.card>.body{padding:16px}button{font:inherit;font-weight:600;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}button:hover{background:var(--chip)}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover{background:var(--primary-ink)}button.danger{color:var(--danger);border-color:#f3c2c2}button:disabled{opacity:.5;cursor:not-allowed}button.small{padding:4px 8px;font-size:12px}.banner{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-weight:500}.banner.err{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.banner.ok{background:#ecfdf5;color:var(--ok);border:1px solid #a7f3d0}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:11px;color:var(--muted)}.field input,.field textarea{font:inherit;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.header-preview{max-width:100%;max-height:160px;border-radius:8px;border:1px solid var(--border);display:block;margin-bottom:12px;background:var(--chip)}.dm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.dm-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;display:flex;flex-direction:column}.dm-item img{width:100%;aspect-ratio:3/4;object-fit:cover;background:var(--chip)}.dm-item .body{padding:10px;display:flex;flex-direction:column;gap:8px;flex:1}.dm-item .name{font-weight:600;word-break:break-all}.dm-item .url{font-size:12px;color:var(--muted);word-break:break-all}.dm-item .actions{display:flex;gap:6px;margin-top:auto}.dm-item.new-card{align-items:center;justify-content:center;min-height:260px;border-style:dashed}.center{display:flex;align-items:center;justify-content:center;min-height:60vh}.spin{color:var(--muted)}