:root{color-scheme:light;--bg:#f5f7fb;--panel:#ffffff;--text:#172033;--muted:#667085;--line:#d9e0ea;--primary:#1668dc;--primary-strong:#0f4ead;--danger:#c0392b;--soft:#eef4ff;--shadow:0 14px 40px rgba(21,35,60,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);cursor:pointer;padding:9px 13px;transition:border-color .12s ease,background .12s ease,color .12s ease}button:hover{border-color:var(--primary)}button:disabled{cursor:not-allowed;opacity:.58}.panel-title button:not(.danger),.section-title button,button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.panel-title button:not(.danger):hover,.section-title button:hover,button.primary:hover{background:var(--primary-strong)}button.ghost{width:100%;background:transparent}button.danger{border-color:#f2c6c0;color:var(--danger)}.strategy-name-button{display:block;color:var(--primary);border:0;background:transparent;padding:0;text-align:left;font-weight:800}.strategy-name-button:hover{color:var(--primary-strong);text-decoration:underline}.strategy-modal-backdrop{position:fixed;z-index:20;inset:0;display:grid;place-items:center;padding:24px;background:rgba(23,32,51,.54)}.strategy-modal{width:min(980px,100%);max-height:min(860px,calc(100vh - 48px));overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--panel);box-shadow:0 24px 80px rgba(21,35,60,.28)}.strategy-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 24px;border-bottom:1px solid var(--line)}.strategy-modal-header h2{margin:4px 0 0}.strategy-modal-header p{margin:6px 0 0;color:var(--muted);font-size:13px}.modal-close{min-width:40px;padding:6px 10px;font-size:24px;line-height:1}.strategy-modal .strategy-detail{max-height:calc(100vh - 180px);overflow-y:auto;display:grid;grid-gap:18px;gap:18px;padding:20px}.strategy-detail-meta{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-gap:12px;gap:12px}.strategy-detail-copy,.strategy-detail-meta div{display:grid;grid-gap:6px;gap:6px}.strategy-detail-copy li,.strategy-detail-copy p,.strategy-detail-meta span{color:var(--muted);white-space:pre-wrap;word-break:break-word}.strategy-detail-copy p{margin:0}.strategy-detail-copy ul{margin:0;padding-left:20px}.strategy-detail-copy pre{overflow-x:auto;overflow-y:visible;margin:0;padding:14px;border:1px solid var(--line);border-radius:8px;background:#172033;color:#e7edf8;font:12px/1.6 SFMono-Regular,Consolas,monospace;white-space:pre}.strategy-tags{display:flex;flex-wrap:wrap;gap:6px}.strategy-tags span{padding:4px 8px;border:1px solid #c9d9f6;border-radius:999px;background:var(--soft);color:var(--primary-strong);font-size:12px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);outline:none;padding:9px 11px}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,104,220,.12)}label{display:grid;grid-gap:7px;gap:7px;color:var(--muted);font-size:13px;font-weight:600}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-panel{width:min(440px,100%);display:grid;grid-gap:20px;gap:20px;border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:var(--shadow);padding:28px}.login-panel h1,.panel-title h3,.section-title h2,header h1{margin:0;letter-spacing:0}.metric-detail,.muted,.panel-title p,.section-title p,td span{color:var(--muted)}.eyebrow{margin:0 0 8px;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.error{margin:0;color:var(--danger);font-size:13px}.admin-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}aside{position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:18px;border-right:1px solid var(--line);background:#fbfcff;padding:18px}.brand{display:flex;gap:12px;align-items:center}.brand>span{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:var(--primary);color:#fff;font-weight:800}.brand small{display:block;margin-top:3px;color:var(--muted)}nav{flex:1 1;display:grid;align-content:start;grid-gap:6px;gap:6px}.nav-button,nav a{border-radius:8px;color:var(--muted);padding:10px 12px;text-decoration:none}.nav-button.active,.nav-button:hover,nav a:hover{background:var(--soft);color:var(--primary)}.nav-button.active{font-weight:700}.nav-button{width:100%;border:0;background:transparent;text-align:left}main{min-width:0}header{position:-webkit-sticky;position:sticky;top:0;z-index:2;display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);background:rgba(245,247,251,.92);padding:18px 28px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.toolbar{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.section{scroll-margin-top:92px;padding:28px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:16px}.section-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.section-title:not(.row){display:block}.section-title p{margin:6px 0 0}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.metric,.panel,.table-wrap{border:1px solid var(--line);border-radius:10px;background:var(--panel);box-shadow:var(--shadow)}.metric{padding:18px}.metric-label{color:var(--muted);font-size:12px;font-weight:800}.metric-value{margin-top:10px;font-size:30px;font-weight:800}.metric-detail{margin-top:8px;font-size:13px}.settings-grid,.user-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.settings-grid.compact{grid-template-columns:repeat(2,max-content)}.panel{display:grid;grid-gap:14px;gap:14px;padding:18px}.panel-title{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.panel-title p{margin:5px 0 0;font-size:12px}.json-editor{min-height:320px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.55}.add-strategy-panel{margin-bottom:16px}.add-strategy-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.add-strategy-grid .wide{grid-column:1/-1}.add-strategy-grid textarea{min-height:92px;resize:vertical;line-height:1.55}.add-strategy-grid .code-editor{min-height:240px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.add-strategy-check{min-height:40px;align-self:end;color:var(--text)}.check-row{display:flex;align-items:center;gap:8px}.check-row input,td input[type=checkbox]{width:auto}.table-actions{display:flex;flex-wrap:wrap;gap:8px}.button-link{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:9px 13px;text-decoration:none}.moderation-controls{display:grid;grid-template-columns:minmax(180px,1fr) 150px minmax(260px,1.4fr) auto;align-items:end;grid-gap:14px;gap:14px;margin-bottom:12px}.terms-editor{min-height:74px;resize:vertical}.moderation-toggle{min-height:40px;color:var(--text)}.audit-summary{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}.audit-summary span,.term-list span{border:1px solid #ffd7a8;border-radius:999px;background:#fff8ec;color:#8a4b00;padding:4px 8px;font-size:12px;font-weight:700}.table-wrap{overflow-x:auto}table{width:100%;min-width:920px;border-collapse:collapse;font-size:13px}td,th{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:middle}th{background:#f8fafc;color:var(--muted);font-weight:800}td span,th{font-size:12px}td span{display:block;margin-top:4px}.chat-table{min-width:1180px}.chat-table td:nth-child(6),.chat-table th:nth-child(6){width:36%}.message-cell{max-width:560px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.55}.term-list{display:flex;flex-wrap:wrap;gap:6px}.empty-cell{color:var(--muted);text-align:center}tr:last-child td{border-bottom:0}@media (max-width:960px){.admin-shell{grid-template-columns:1fr}aside{position:static;height:auto}.add-strategy-grid,.metrics,.moderation-controls,.settings-grid,.user-grid{grid-template-columns:1fr}.section-title.row{align-items:flex-start;flex-direction:column}.section-actions{justify-content:flex-start}}@media (max-width:640px){.panel-title,.section-title,header{flex-direction:column;align-items:stretch}.section,header{padding:18px}}