:root{--brand-900: #0a2352;--brand-800: #0f3070;--brand-700: #18469c;--brand-600: #2456b4;--brand-500: #4472c8;--brand-400: #7c9fdc;--brand-300: #a8c2e9;--brand-200: #cbdcf4;--brand-100: #e4edfa;--brand-50: #f3f7fc;--steel: #acc4de;--steel-dim: rgba(172, 196, 222, .28);--steel-faint: rgba(172, 196, 222, .14);--live: #c8342b;--live-soft: #fdecea;--ok: #0e7a52;--ok-soft: #e6f5ef;--warn: #9a6408;--warn-soft: #fdf3e3;--danger: #b32020;--ink: #0f1729;--ink-soft: #4a5568;--ink-mute: #8a94a6;--line: #e3e9f2;--line-strong: #c9d4e4;--surface: #ffffff;--surface-sunken: #fafcfe;--canvas: #f5f8fc;--radius-sm: 6px;--radius: 10px;--radius-lg: 16px;--radius-pill: 999px;--shadow-1: 0 1px 2px rgba(15, 48, 112, .05), 0 6px 18px -12px rgba(15, 48, 112, .22);--shadow-2: 0 2px 6px rgba(15, 48, 112, .07), 0 20px 44px -20px rgba(15, 48, 112, .32);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--track-label: .14em}:root{--sidebar: 244px;--topbar: 64px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--canvas);color:var(--ink);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.012em;line-height:1.3}p{margin:0}ul{margin:0;padding:0;list-style:none}button{font-family:inherit}:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:3px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:var(--track-label);text-transform:uppercase}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.num{font-variant-numeric:tabular-nums}.login-page{min-height:100vh;display:grid;place-items:center;background:var(--brand-800);position:relative;overflow:hidden;padding:40px 20px}.login-deco{position:absolute;top:0;right:0;bottom:0;left:0;color:var(--steel);opacity:.14;pointer-events:none}.login-card{position:relative;width:100%;max-width:420px;background:#fff;border-radius:var(--radius-lg);padding:40px 36px 34px;box-shadow:var(--shadow-2)}.login-brand{display:flex;align-items:center;gap:11px;margin-bottom:28px}.login-card h1{font-size:22px;margin-bottom:8px}.login-sub{font-size:13px;color:var(--ink-soft);margin-bottom:26px}.login-note{margin-top:22px;padding:13px 15px;background:var(--warn-soft);border:1px solid #f0dab2;border-radius:var(--radius-sm);font-size:12px;line-height:1.65;color:#6d4a09}.admin-shell{min-height:100vh;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr)}.sidebar{background:var(--brand-800);color:#ffffffc7;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:11px;padding:22px 22px 20px;border-bottom:1px solid var(--steel-faint)}.sidebar-brand .brand-mark{font-weight:700;font-size:17px;letter-spacing:.1em;color:#fff}.sidebar-brand .brand-sub{font-size:9px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--steel)}.sidebar-brand .brand-icon{width:32px;height:32px;border-radius:9px;background:#fff;color:var(--brand-800);display:grid;place-items:center;flex-shrink:0}.sidebar-brand .brand-text{display:flex;flex-direction:column;line-height:1.05}.sidebar-section{padding:20px 22px 8px;font-size:10px;font-weight:600;letter-spacing:var(--track-label);text-transform:uppercase;color:var(--steel);opacity:.75}.sidebar-nav{padding:0 12px;flex:1}.nav-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;color:#fffc;margin-bottom:2px;transition:background .14s,color .14s}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:#ffffff24;color:#fff;font-weight:500}.nav-item-count{font-size:11px;font-weight:600;font-variant-numeric:tabular-nums;padding:1px 7px;border-radius:var(--radius-pill);background:#ffffff2e;color:#fff}.nav-item.active .nav-item-count{background:#fff;color:var(--brand-800)}.sidebar-foot{padding:16px 20px 20px;border-top:1px solid var(--steel-faint)}.sidebar-user{display:flex;align-items:center;gap:10px;margin-bottom:12px}.sidebar-avatar{width:32px;height:32px;border-radius:50%;background:var(--steel);color:var(--brand-800);display:grid;place-items:center;font-size:13px;font-weight:600;flex-shrink:0}.sidebar-user-name{font-size:13px;font-weight:500;color:#fff;line-height:1.3}.sidebar-user-role{font-size:11px;color:var(--steel)}.sidebar-action{width:100%;padding:8px 12px;font-size:12px;font-weight:500;border-radius:var(--radius-sm);border:1px solid var(--steel-dim);background:transparent;color:#ffffffd9;cursor:pointer;transition:background .14s,border-color .14s}.sidebar-action:hover{background:#ffffff1a;border-color:var(--steel);color:#fff}.admin-main{min-width:0;display:flex;flex-direction:column}.topbar{height:var(--topbar);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 32px;position:sticky;top:0;z-index:10}.topbar-title{font-size:15px;font-weight:600}.topbar-crumb{font-size:12px;color:var(--ink-mute)}.topbar-actions{display:flex;align-items:center;gap:10px}.content{padding:32px;flex:1;min-width:0}.content-narrow{max-width:880px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}.page-head h1{font-size:22px;margin-bottom:6px}.page-head 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tr:last-child td{border-bottom:none}.table tbody tr{transition:background .14s}.table tbody tr:hover{background:var(--brand-50)}.table .cell-strong{font-weight:500;color:var(--ink)}.table .cell-mute{color:var(--ink-soft)}.table .cell-actions{text-align:right;white-space:nowrap}.table .cell-actions>*+*{margin-left:8px}.table .cell-num{text-align:right;font-variant-numeric:tabular-nums}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;font-size:11px;font-weight:500;border-radius:var(--radius-pill);white-space:nowrap}.badge-accent{background:var(--brand-100);color:var(--brand-700)}.badge-live{background:var(--live-soft);color:var(--live)}.badge-pending{background:var(--warn-soft);color:var(--warn)}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-mute{background:var(--canvas);color:var(--ink-soft);border:1px solid var(--line)}.badge-tree{background:#eef1f6;color:var(--ink-mute)}.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.dot-pulse{animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@media (prefers-reduced-motion: reduce){.dot-pulse,.skeleton{animation:none}}.field{margin-bottom:18px}.field-label{display:block;font-size:12px;font-weight:500;color:var(--ink-soft);margin-bottom:6px}.field-required:after{content:" *";color:var(--danger)}.field-hint{font-size:12px;color:var(--ink-mute);margin-top:5px}.field-error{font-size:12px;color:var(--danger);margin-top:5px}.input,.select,.textarea{width:100%;padding:9px 12px;font-size:13px;font-family:inherit;color:var(--ink);background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s}.input:hover,.select:hover,.textarea:hover{border-color:var(--brand-400)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px var(--brand-100)}.input-invalid{border-color:#e0a3a3}.textarea{min-height:84px;resize:vertical;line-height:1.6}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-mute) 50%),linear-gradient(135deg,var(--ink-mute) 50%,transparent 50%);background-position:calc(100% - 16px) calc(50% + 1px),calc(100% - 11px) calc(50% + 1px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 20px}.form-grid-wide{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.field-span{grid-column:1 / -1}.form-actions{display:flex;gap:10px;padding-top:22px;margin-top:6px;border-top:1px solid 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var(--line-strong);border-radius:var(--radius-sm);font-size:13px;cursor:pointer;background:#fff;transition:border-color .15s,background .15s}.choice:hover{border-color:var(--brand-400)}.choice input{accent-color:var(--brand-700);margin:0}.choice.selected{border-color:var(--brand-600);background:var(--brand-50);font-weight:500}.alert{padding:13px 16px;border-radius:var(--radius-sm);font-size:13px;line-height:1.6;margin-bottom:20px;border:1px solid}.alert-info{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-800)}.alert-warn{background:var(--warn-soft);border-color:#f0dab2;color:#6d4a09}.alert-error{background:var(--live-soft);border-color:#f0c4c4;color:#8f2320}.alert-success{background:var(--ok-soft);border-color:#b6e0cd;color:#0a6242}.alert-title{font-weight:500;margin-bottom:3px}.alert ul{margin-top:6px;padding-left:18px;list-style:disc}.empty{padding:44px 24px;text-align:center;color:var(--ink-soft);font-size:13px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:#fff}.skeleton{background:var(--line);border-radius:4px;animation:shimmer 1.4s ease-in-out infinite}@keyframes shimmer{0%,to{opacity:1}50%{opacity:.45}}.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.kv-label{font-size:11px;font-weight:600;letter-spacing:var(--track-label);text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px}.kv-value{font-size:15px;font-weight:500;font-variant-numeric:tabular-nums}.toaster{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:10px;align-items:flex-end;pointer-events:none}.toast{padding:12px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:#fff;background:var(--brand-800);box-shadow:var(--shadow-2);max-width:380px;animation:toast-in .2s ease-out}.toast-ok{background:var(--ok)}.toast-error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){.toast{animation:none}}.note{font-size:12px;color:var(--ink-mute);line-height:1.7}.demo-tag{display:inline-block;padding:2px 8px;font-size:11px;font-weight:500;color:var(--warn);background:var(--warn-soft);border:1px dashed #e8cf9f;border-radius:var(--radius-pill)}@media (max-width: 900px){.admin-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.sidebar-nav{display:flex;gap:6px;overflow-x:auto;padding:0 12px 12px}.nav-item{white-space:nowrap;margin-bottom:0}.sidebar-section,.sidebar-foot{display:none}.topbar{padding:0 20px}.content{padding:20px}.group-row-edit{grid-template-columns:1fr 1fr}.table th,.table td{padding-left:16px;padding-right:16px}}