:root{--bg:#f6f7f9;--surface:#fff;--border:#dfe3e8;--text:#1f2933;--text-muted:#6b7280;--primary:#4f46e5;--primary-dark:#4338ca;--danger:#dc2626;--ok-bg:#dcfce7;--ok-text:#166534;--radius:8px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Noto Sans TC,-apple-system,Segoe UI,Roboto,PingFang TC,Microsoft JhengHei,sans-serif;font-size:15px;line-height:1.6}h1{margin:0 0 1rem;font-size:1.5rem}h2{margin:1.5rem 0 .75rem;font-size:1.1rem}.topbar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:2rem;height:56px;padding:0 1.5rem;display:flex}.brand{font-weight:700}.nav{flex:1;gap:.25rem;display:flex}.nav a{border-radius:var(--radius);color:var(--text-muted);padding:.35rem .85rem;text-decoration:none}.nav a:hover{background:var(--bg);color:var(--text)}.nav a.active{background:var(--primary);color:#fff}.topbar-user{color:var(--text-muted);align-items:center;gap:.75rem;font-size:.9rem;display:flex}.content{max-width:1100px;margin:0 auto;padding:1.5rem}.btn{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);cursor:pointer;padding:.35rem .85rem;font-size:.9rem}.btn:hover:not(:disabled){background:var(--bg)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-danger{color:var(--danger);border-color:currentColor}.btn-icon{cursor:pointer;color:var(--text-muted);background:0 0;border:none;font-size:1.4rem;line-height:1}.page-header{justify-content:space-between;align-items:center;gap:1rem;display:flex}.page-actions{gap:.5rem;display:flex}.filters{gap:.5rem;margin:1rem 0;display:flex}.filters input[type=search]{flex:1;max-width:320px}.banner{border-radius:var(--radius);background:#eef2ff;border:1px solid #c7d2fe;padding:.5rem .85rem}.table{border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:.5rem .75rem}.table th{color:var(--text-muted);white-space:nowrap;font-size:.8rem;font-weight:600}.table tr:last-child td{border-bottom:none}.cell-note{overflow-wrap:break-word;max-width:220px;color:var(--text-muted);font-size:.9rem}.cell-actions{white-space:nowrap}.cell-actions .btn+.btn{margin-left:.35rem}.empty{text-align:center;color:var(--text-muted);padding:2rem 0}.badge{background:var(--bg);color:var(--text-muted);white-space:nowrap;border-radius:999px;padding:.1rem .5rem;font-size:.8rem;display:inline-block}.badge-ok{background:var(--ok-bg);color:var(--ok-text)}.badge-muted{background:#f3f4f6}.badge-warn{color:#92400e;background:#fef3c7}.notice{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);margin:1rem 0;padding:.75rem 1rem}.notice p{margin:.25rem 0}a.btn{text-decoration:none;display:inline-block}.pagination{color:var(--text-muted);justify-content:center;align-items:center;gap:1rem;margin:1rem 0;font-size:.9rem;display:flex}.stat-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.75rem;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;padding:1rem;display:flex}.stat-value{font-size:1.6rem;font-weight:700}.stat-label{color:var(--text-muted);font-size:.85rem}input,select,textarea{font:inherit;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);width:100%;padding:.4rem .6rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.filters input,.filters select{width:auto}.form{flex-direction:column;gap:.85rem;display:flex}.field{flex-direction:column;flex:1;gap:.25rem;display:flex}.field label{color:var(--text-muted);font-size:.85rem}.field-row{gap:.75rem;display:flex}.field-error{color:var(--danger);margin:0;font-size:.8rem}.form-error{border-radius:var(--radius);color:var(--danger);background:#fef2f2;border:1px solid #fecaca;margin:0;padding:.5rem .85rem;font-size:.9rem}.modal-overlay{z-index:10;background:#0006;justify-content:center;align-items:flex-start;padding:4rem 1rem;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:560px;padding:1.25rem 1.5rem 1.5rem}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.modal-header h2{margin:0;font-size:1.15rem}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:380px;padding:2rem}.login-card h1{text-align:center;font-size:1.3rem}.login-hint{text-align:center;color:var(--text-muted);margin:1rem 0 0;font-size:.85rem}