:root{--bg:#f6f7fb;--card:#fff;--ink:#1d2433;--muted:#6b7280;--line:#d7dae3;--accent:#1d4ed8;--danger:#b91c1c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif}header{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 28px;background:#111827;color:#fff}h1{font-size:22px;margin:0 0 4px}h2{margin-top:0}header p{margin:0;color:#cbd5e1}nav{display:flex;gap:8px;flex-wrap:wrap}button,.button{border:0;background:var(--accent);color:white;border-radius:8px;padding:9px 14px;cursor:pointer;text-decoration:none;display:inline-block}nav button{background:#374151}button:hover,.button:hover{filter:brightness(.95)}main{max-width:1200px;margin:24px auto;padding:0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 30px rgba(15,23,42,.06)}.hidden{display:none!important}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.full{grid-column:1/-1}label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14px}input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:9px;font:inherit;background:white}textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.hint{color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stat{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fafafa}.exam-card{border:1px solid var(--line);border-radius:12px;padding:14px;margin:12px 0;display:flex;justify-content:space-between;gap:12px}.inline-form,.action-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0}table{width:100%;border-collapse:collapse;margin:12px 0}th,td{border-bottom:1px solid var(--line);padding:8px;text-align:left;font-size:14px}th{background:#f3f4f6}pre{background:#0b1020;color:#d1d5db;padding:16px;border-radius:12px;overflow:auto}#toast{position:fixed;right:18px;bottom:18px;max-width:420px;background:#111827;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.2);display:none}@media(max-width:800px){.grid.two,.grid.three,.stats{grid-template-columns:1fr}header{flex-direction:column;align-items:flex-start}.exam-card{flex-direction:column}}
.panel.light{background:#fafafa;border:1px solid #e5e5e5;border-radius:12px;padding:14px;margin:12px 0}.compact label{font-size:13px}.qrow input,.qrow select{min-width:70px}.qrow .q-options{min-width:190px}.qrow .q-answer{min-width:110px}.qrow .q-points,.qrow .q-penalty{width:64px}#questionEditor{overflow:auto;max-height:420px;border:1px solid #eee;border-radius:8px;margin:10px 0}#scorePreviewBox{max-height:280px;overflow:auto;background:#111;color:#e8e8e8;padding:10px;border-radius:8px}

.ok{color:#137333;font-weight:700}.bad{color:#b3261e;font-weight:700}.warn{color:#b06000;font-weight:700}