:root{--bg: #f4f6fb;--card: #ffffff;--text: #1c2330;--muted: #6b7689;--border: #e6eaf2;--primary: #2f6fed;--primary-soft: #eaf1ff;--danger: #e5484d;--shadow: 0 8px 30px rgba(20, 30, 60, .08);--radius: 14px}@media (prefers-color-scheme: dark){:root{--bg: #0e1320;--card: #161d2e;--text: #e7ecf5;--muted: #95a0b5;--border: #28324a;--primary: #5b8cff;--primary-soft: #1b2540;--danger: #ff6b6f;--shadow: 0 8px 30px rgba(0, 0, 0, .35)}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.page,.admin-page{max-width:1120px;margin:0 auto;padding:24px 20px 60px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}.brand{display:flex;align-items:center;gap:12px}.brand .logo{font-size:26px;width:46px;height:46px;display:grid;place-items:center;background:var(--primary-soft);border-radius:12px}.brand h1{font-size:20px;margin:0}.brand .sub{margin:2px 0 0;font-size:13px;color:var(--muted)}.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.seg{display:inline-flex;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:3px;box-shadow:var(--shadow)}.seg button{border:0;background:transparent;color:var(--muted);padding:7px 16px;border-radius:8px;cursor:pointer;font-size:14px;transition:.15s}.seg button.active{background:var(--primary);color:#fff}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--card) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%236b7689' stroke-width='1.5'/></svg>") no-repeat right 12px center;border:1px solid var(--border);border-radius:10px;padding:9px 32px 9px 14px;color:var(--text);font-size:14px;cursor:pointer;box-shadow:var(--shadow)}.state{text-align:center;color:var(--muted);padding:60px 0}.state.error{color:var(--danger)}.calendar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.cal-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.cal-head h2{font-size:17px;margin:0;flex:1;text-align:center}.cal-head .nav,.cal-head .today{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:9px;cursor:pointer;width:34px;height:34px;font-size:18px;line-height:1}.cal-head .today{width:auto;padding:0 14px;font-size:13px}.weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-bottom:8px}.weekdays span{text-align:center;font-size:12px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}.cell{min-height:96px;border:1px solid var(--border);border-radius:10px;padding:6px;background:var(--bg);display:flex;flex-direction:column;gap:4px}.cell.empty{background:transparent;border-color:transparent}.cell.today{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft)}.date-num{font-size:13px;font-weight:600;color:var(--muted)}.chips{display:flex;flex-direction:column;gap:4px}.chip{border-left:3px solid #888;border-radius:6px;padding:3px 6px;font-size:11px;line-height:1.3;cursor:default;overflow:hidden}.chip .slot{font-weight:700;margin-right:4px}.chip .unit{color:inherit;opacity:.85}.halves{display:flex;flex-direction:column;flex:1;min-height:0}.half{flex:1;min-height:0;display:flex;flex-direction:column;gap:3px;padding:3px 2px}.half+.half{border-top:1px dashed var(--border)}.half-label{font-size:9px;line-height:1;color:var(--muted);opacity:.55;margin-bottom:1px;-webkit-user-select:none;user-select:none}.half .chip{padding:2px 5px;font-size:10px}.list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}th{background:var(--bg);color:var(--muted);font-weight:600;font-size:13px}tbody tr:last-child td{border-bottom:0}.empty-row{text-align:center;color:var(--muted);padding:40px}.tag{display:inline-block;color:#fff;font-size:12px;padding:2px 9px;border-radius:999px}.foot{text-align:center;color:var(--muted);font-size:12px;margin-top:28px}.admin-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1 / -1}.field label{font-size:13px;color:var(--muted)}.field input,.field select{background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:10px 12px;color:var(--text);font-size:14px;outline:none}.field input:focus,.field select:focus{border-color:var(--primary)}.slot-group{display:flex;gap:8px}.slot-group label{flex:1;text-align:center;cursor:pointer;border:1px solid var(--border);border-radius:9px;padding:9px;font-size:14px;color:var(--text);background:var(--bg)}.slot-group input{display:none}.slot-group input:checked+span{font-weight:700}.slot-group label:has(input:checked){border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.btn{border:0;border-radius:10px;cursor:pointer;padding:11px 20px;font-size:14px;font-weight:600;background:var(--primary);color:#fff;transition:.15s}.btn:hover{filter:brightness(1.05)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger);padding:6px 12px;font-size:13px}.form-actions{margin-top:16px;display:flex;gap:10px;align-items:center}.msg{font-size:13px}.msg.err{color:var(--danger)}.msg.ok{color:var(--primary)}.login-wrap{max-width:360px;margin:12vh auto}.login-wrap h2{margin:0 0 4px}.login-wrap p{color:var(--muted);margin:0 0 18px;font-size:13px}.admin-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.admin-head h1{font-size:20px;margin:0}@media (max-width: 640px){.form-grid{grid-template-columns:1fr}.cell{min-height:78px}.grid,.weekdays{gap:5px}}