:root{--bg: #f4f6fb;--bg-subtle: #eef1f8;--surface: #ffffff;--text: #1e293b;--text-secondary: #475569;--muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--primary-ring: rgba(37, 99, 235, .18);--success: #16a34a;--success-bg: #f0fdf4;--danger: #dc2626;--danger-hover: #b91c1c;--danger-bg: #fef2f2;--warning: #d97706;--sidebar-from: #f0f5fc;--sidebar-mid: #e8f0fa;--sidebar-to: #f4f8fd;--sidebar-active: rgba(37, 99, 235, .1);--sidebar-accent: #0ea5e9;--sidebar-text: #334155;--sidebar-text-muted: #64748b;--border: #e2e8f0;--border-light: #f1f5f9;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);--shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);--shadow-md: 0 8px 24px rgba(15, 23, 42, .08);--shadow-lg: 0 16px 48px rgba(15, 23, 42, .12);--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--transition: .18s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Helvetica 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var(--border);box-shadow:var(--shadow-xs)}.btn-outline:hover:not(:disabled){background:var(--bg-subtle);border-color:#cbd5e1;color:var(--text);box-shadow:var(--shadow-sm)}.btn-danger{background:linear-gradient(180deg,#ef4444 0%,var(--danger) 100%);box-shadow:0 1px 2px #dc262640}.btn-danger:hover:not(:disabled){background:linear-gradient(180deg,#f87171 0%,var(--danger-hover) 100%);box-shadow:0 4px 12px #dc262640}.btn-ghost{background:transparent;color:var(--primary);box-shadow:none;padding:6px 12px}.btn-ghost:hover:not(:disabled){background:var(--primary-light);transform:none;box-shadow:none}.btn-sm{padding:5px 12px;font-size:13px;border-radius:5px}.btn-lg{padding:11px 22px;font-size:15px}.btn+.btn,.btn+.btn-outline,.btn-outline+.btn{margin-left:0}.card{background:var(--surface);border-radius:var(--radius-lg);padding:24px 28px;border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.page-title{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.02em;margin-bottom:6px}.page-desc{font-size:13px;color:var(--muted);margin-bottom:22px;line-height:1.6}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.page-header .page-title{margin-bottom:4px}.page-header .page-desc{margin-bottom:0}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-light)}.table th{background:#f8fafc;font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.table tbody tr{transition:background var(--transition)}.table tbody tr:hover{background:#f8fafc}.table tbody tr:last-child td{border-bottom:none}.table td .btn-sm+.btn-sm,.table td .btn-sm+.btn-danger{margin-left:6px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:7px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);transition:border-color var(--transition),box-shadow var(--transition)}.form-group input:hover,.form-group select:hover,.form-group textarea:hover{border-color:#cbd5e1}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-ring)}.form-group textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:18px;flex-wrap:wrap}.toolbar select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);min-width:140px;cursor:pointer;transition:border-color var(--transition),box-shadow var(--transition)}.toolbar select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-ring)}.msg{font-size:13px;margin-top:12px;padding:10px 14px;border-radius:var(--radius-sm)}.msg.ok{color:var(--success);background:var(--success-bg);border:1px solid #bbf7d0}.msg.err{color:var(--danger);background:var(--danger-bg);border:1px solid #fecaca}.tag{display:inline-flex;align-items:center;padding:2px 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