:root{--brand: #2563eb;--brand-dark: #1d4ed8;--text: #1f2329;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f6f7f9;--surface: #ffffff;--danger: #dc2626;--success: #16a34a;--warning: #d97706;--radius: 10px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.layout{display:grid;grid-template-columns:216px 1fr;min-height:100vh}.sidebar{background:#111827;color:#d1d5db;padding:20px 0;display:flex;flex-direction:column}.sidebar-brand{padding:0 20px 20px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid #1f2937;margin-bottom:12px}.sidebar-brand small{display:block;font-size:12px;font-weight:400;color:#9ca3af;margin-top:4px}.sidebar nav{display:flex;flex-direction:column}.sidebar nav a{padding:11px 20px;font-size:14px;color:#d1d5db;border-left:3px solid transparent}.sidebar nav a:hover{background:#1f2937;color:#fff}.sidebar nav a.active{background:#1f2937;color:#fff;border-left-color:var(--brand);font-weight:600}.sidebar-foot{margin-top:auto;padding:16px 20px 0;border-top:1px solid #1f2937;font-size:13px}.content{display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 10px;height:60px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar h1{font-size:17px;margin:0}.topbar-right{display:flex;align-items:center;gap:14px;font-size:14px}.page{padding:24px 10px 56px;flex:1;min-width:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-value{font-size:24px;font-weight:700;margin-top:6px}.stat-value.accent{color:var(--brand)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;vertical-align:middle}th{font-size:13px;color:var(--text-muted);font-weight:600;background:#fafbfc}tbody tr:hover{background:#fafbfc}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid transparent;background:var(--brand);color:#fff;font-size:14px;font-weight:500}.btn:hover:not(:disabled){background:var(--brand-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:#f3f4f6}.btn-danger{background:var(--danger)}.btn-sm{padding:5px 10px;font-size:13px}.input,.select,.textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}.input:focus,.select:focus,.textarea:focus{outline:2px solid rgb(37 99 235 / 20%);border-color:var(--brand)}.textarea{min-height:90px;resize:vertical}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--text-muted)}.form-actions{display:flex;gap:12px;margin-top:6px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 16px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}.toolbar .input,.toolbar .select{width:auto;min-width:150px}.alert{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.alert-info{background:#eff6ff;color:var(--brand);border:1px solid #bfdbfe}.alert-warn{background:#fffbeb;color:var(--warning);border:1px solid #fde68a}.empty{padding:44px 0;text-align:center;color:var(--text-muted);font-size:14px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#f3f4f6;color:var(--text-muted)}.badge-brand{background:#eff6ff;color:var(--brand)}.badge-success{background:#f0fdf4;color:var(--success)}.badge-danger{background:#fef2f2;color:var(--danger)}.badge-warn{background:#fffbeb;color:var(--warning)}.row-actions{display:flex;gap:8px}.auth-wrap{max-width:380px;margin:72px auto}.auth-wrap .card{padding:26px}.muted{color:var(--text-muted);font-size:13px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:var(--surface);border-radius:12px;padding:22px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto}.modal h2{margin:0 0 18px;font-size:17px}.desc-cell{max-width:320px;white-space:normal;line-height:1.6;color:var(--text-muted)}.policy-icon{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 4px;border-radius:4px;background:var(--bg, #f5f6f8);font-size:12px;font-weight:600;color:var(--text-muted, #6b7280)}