:root{--bg:#f7f7f5;--card:#fff;--text:#222;--muted:#6b7280;--line:#e5e7eb;--accent:#111827;--ok:#166534;--warn:#b45309;--bad:#b91c1c}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;background:var(--bg);color:var(--text)}header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fff;border-bottom:1px solid var(--line)}.brand{font-size:22px;font-weight:800}.brand span{font-size:14px;font-weight:500;color:var(--muted)}.userbar{font-size:14px}.userbar a{margin-left:12px}nav{display:flex;gap:8px;flex-wrap:wrap;padding:10px 24px;background:#fff;border-bottom:1px solid var(--line)}nav a{padding:8px 11px;border-radius:8px;text-decoration:none;color:#374151}nav a:hover{background:#f1f5f9}main{max-width:1180px;margin:auto;padding:24px}h1{font-size:26px;margin:0 0 18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}.stat{font-size:30px;font-weight:800}.muted{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.btn,button{display:inline-block;border:0;border-radius:10px;background:var(--accent);color:#fff;padding:10px 14px;text-decoration:none;font-size:15px;cursor:pointer}.btn.secondary{background:#fff;color:#111;border:1px solid var(--line)}.btn.danger{background:var(--bad)}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #d1d5db;border-radius:9px;background:#fff;font-size:16px}label{display:block;font-size:14px;font-weight:650;margin-bottom:5px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{margin-bottom:12px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}th{background:#f8fafc;position:sticky;top:0}.badge{display:inline-block;border-radius:999px;padding:3px 8px;font-size:12px;background:#eef2ff}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.badge.bad{background:#fee2e2;color:#991b1b}.flash{padding:11px 14px;border-radius:10px;margin-bottom:16px;background:#ecfdf5;color:#166534}.flash.bad{background:#fef2f2;color:#991b1b}.login{max-width:420px;margin:70px auto;background:#fff;padding:28px;border:1px solid var(--line);border-radius:16px}.big-clock{font-size:40px;font-weight:800;letter-spacing:1px}.clock-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.clock-btns button{padding:18px;font-size:18px}.notice{padding:12px 14px;border-left:4px solid #94a3b8;background:#fff;border-radius:8px;margin:12px 0}footer{padding:30px;text-align:center;color:var(--muted);font-size:13px}@media(max-width:700px){header{padding:14px}.brand span{display:none}nav{padding:8px 10px;gap:3px}nav a{padding:8px;font-size:14px}main{padding:16px}.form-grid{grid-template-columns:1fr}.clock-btns{grid-template-columns:1fr}h1{font-size:23px}}