:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e5e7eb;--text: #1f2937;--text-secondary: #6b7280;--primary: #2563eb;--primary-light: #eff6ff;--green: #16a34a;--red: #dc2626;--amber: #d97706;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;flex-shrink:0}.sidebar .logo{font-size:16px;font-weight:600;padding:0 12px 20px;color:var(--text)}.sidebar nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--text-secondary);margin-bottom:4px;transition:all .15s}.sidebar nav a:hover{background:var(--primary-light);color:var(--primary)}.sidebar nav a.active{background:var(--primary-light);color:var(--primary);font-weight:500}.main{flex:1;padding:28px 32px;overflow-y:auto}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.topbar h1{font-size:22px;font-weight:600}.user-info{color:var(--text-secondary)}.user-info button{margin-left:12px;padding:6px 14px;border:1px solid var(--border);background:var(--surface);border-radius:8px;cursor:pointer}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-card .label{color:var(--text-secondary);font-size:13px}.stat-card .value{font-size:26px;font-weight:600;margin-top:6px}.stat-card .value.red{color:var(--red)}.stat-card .value.green{color:var(--green)}.stat-card .value.amber{color:var(--amber)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.panel h2{font-size:16px;font-weight:600;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--text-secondary);font-weight:500;font-size:13px}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px}.badge.idle{background:#f0fdf4;color:var(--green)}.badge.busy{background:#fff7ed;color:var(--amber)}.badge.offline{background:#f3f4f6;color:var(--text-secondary)}.badge.active{background:#f0fdf4;color:var(--green)}.badge.disabled{background:#f3f4f6;color:var(--text-secondary)}.badge.pending{background:#fff7ed;color:var(--amber)}.badge.running{background:#eff6ff;color:var(--primary)}.badge.completed{background:#f0fdf4;color:var(--green)}.badge.cancelled{background:#f3f4f6;color:var(--text-secondary)}.badge.unpaid{background:#fef2f2;color:var(--red)}.badge.paid{background:#f0fdf4;color:var(--green)}.badge.draft{background:#f3f4f6;color:var(--text-secondary)}.badge.confirmed{background:#eff6ff;color:var(--primary)}button.btn{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px}button.btn:hover{opacity:.9}button.btn-ghost{padding:6px 12px;background:transparent;border:1px solid var(--border);border-radius:8px;cursor:pointer;color:var(--text-secondary)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px;width:360px}.login-card h1{font-size:20px;margin-bottom:8px}.login-card p{color:var(--text-secondary);margin-bottom:24px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-secondary);font-size:13px}.form-group input,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}.error-tip{color:var(--red);margin-bottom:12px;font-size:13px}.toolbar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}.empty{color:var(--text-secondary);text-align:center;padding:40px}