:root{--brand-50: #ecfdf5;--brand-100: #d1fae5;--brand-200: #a7f3d0;--brand-300: #6ee7b7;--brand-400: #34d399;--brand-500: #10b981;--brand-600: #059669;--brand-700: #047857;--brand-800: #065f46;--brand-900: #064e3b;--amber-400: #fbbf24;--amber-500: #f59e0b;--amber-600: #d97706;--bg: #f3f6f4;--bg-tint: #eaf2ed;--surface: #ffffff;--surface-2: #f7faf8;--border: #e4e9e6;--border-strong: #d3dad5;--text: #16201b;--text-secondary: #5a6760;--text-muted: #8a958e;--text-dim: #9aa39c;--danger: #e2483d;--danger-soft: #fde8e6;--danger-strong: #b91c1c;--success: #16a34a;--r-xs: 6px;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-2xl: 24px;--r-full: 999px;--shadow-xs: 0 1px 2px rgba(22, 32, 27, .05);--shadow-sm: 0 1px 3px rgba(22, 32, 27, .06), 0 1px 2px rgba(22, 32, 27, .04);--shadow: 0 4px 14px rgba(22, 32, 27, .07);--shadow-md: 0 8px 24px rgba(22, 32, 27, .1);--shadow-lg: 0 18px 48px rgba(22, 32, 27, .16);--primary: var(--brand-700);--primary-light: var(--brand-600);--primary-soft: var(--brand-100);--accent: var(--amber-500);--radius: var(--r-md);color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit}:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}.app{display:flex;height:100%}.sidebar{width:264px;flex-shrink:0;background:linear-gradient(180deg,var(--brand-800),var(--brand-900));color:#ecfdf5;display:flex;flex-direction:column;padding:18px 14px;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:14px}.sidebar-brand .logo{width:36px;height:36px;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--brand-400),var(--brand-700));display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;box-shadow:0 4px 10px #00000040}.sidebar-brand h1{font-size:16px;font-weight:700}.sidebar-brand p{font-size:11px;opacity:.7}.btn-new{width:100%;padding:10px 12px;border:1px dashed rgba(255,255,255,.4);border-radius:var(--r-md);background:#ffffff0a;color:#ecfdf5;cursor:pointer;font-size:13px;margin-bottom:14px;transition:background .18s,border-color .18s}.btn-new:hover{background:#ffffff1f;border-color:#ffffffb3}.session-list{flex:1;min-height:0;overflow-y:auto;margin-bottom:12px}.session-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:var(--r-sm);cursor:pointer;font-size:13px;color:#ecfdf5e0;margin-bottom:2px;transition:background .15s;position:relative}.session-item:hover{background:#ffffff1a}.session-item.active{background:#ffffff29;font-weight:600;box-shadow:inset 3px 0 0 var(--brand-300)}.session-item .title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-item .del{opacity:0;border:none;background:transparent;color:#fecaca;cursor:pointer;font-size:14px;padding:2px 4px;border-radius:var(--r-xs);transition:opacity .15s,background .15s}.session-item:hover .del{opacity:1}.session-item .del:hover{background:#dc262680}.kb-stats{border-top:1px solid rgba(255,255,255,.14);padding-top:12px}.kb-stats h3{font-size:11px;text-transform:uppercase;letter-spacing:.6px;opacity:.65;margin-bottom:8px;padding:0 8px}.kb-stat-row{display:flex;justify-content:space-between;padding:4px 8px;font-size:12px;color:#ecfdf5d9}.kb-stat-row .num{font-weight:700}.kb-tables{max-height:160px;overflow-y:auto;margin-top:6px}.kb-tables .table-row{display:flex;justify-content:space-between;padding:3px 8px;font-size:12px;color:#ecfdf5b8}.nav-admin{margin-top:8px}.nav-admin button{width:100%;padding:9px;border:none;border-radius:var(--r-sm);background:#ffffff1f;color:#ecfdf5;cursor:pointer;font-size:13px;transition:background .15s}.nav-admin button:hover{background:#ffffff38}.main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-header{padding:14px 24px;border-bottom:1px solid var(--border);background:var(--surface);display:flex;align-items:center;gap:10px}.chat-header .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500)}.chat-header span{color:var(--text-secondary);font-size:13px}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:20px}.msg{display:flex;gap:12px;max-width:860px}.msg.user{align-self:flex-end;flex-direction:row-reverse}.msg .avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--shadow-sm)}.msg.user .avatar{background:linear-gradient(135deg,var(--brand-500),var(--brand-800));color:#fff}.msg.assistant .avatar{background:linear-gradient(135deg,var(--brand-300),var(--brand-600));color:#fff}.msg .bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 16px;box-shadow:var(--shadow-sm);min-width:0;max-width:100%}.msg.user .bubble{background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff;border:none;box-shadow:var(--shadow)}.msg .bubble .text{white-space:pre-wrap;word-break:break-word}.msg .bubble .text .msg-img,.msg-img{display:block;max-width:100%;max-height:320px;border-radius:var(--r-md);margin:8px 0;object-fit:contain;border:1px solid var(--border)}.msg-images{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.msg-image-item{margin:0;padding:6px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md)}.msg-image-item .msg-img{max-width:200px;width:100%;margin:0}.msg-image-item figcaption{margin-top:4px;font-size:11px;color:var(--text-dim);text-align:center;max-width:200px}.msg .meta{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:var(--r-full);font-size:11px;font-weight:600}.badge.cached{background:var(--brand-50);color:var(--brand-700)}.badge.route{background:#e0f2fe;color:#075985}.badge.retry{background:#fef3c7;color:var(--amber-600)}.clarify{background:#fffbeb;color:#92400e;border:1px solid #fde68a;border-radius:var(--r-md);padding:8px 12px;font-size:13px;margin-top:8px}.actions{display:flex;gap:6px;margin-left:auto}.icon-btn{border:1px solid var(--border);background:var(--surface);border-radius:var(--r-sm);padding:5px 10px;cursor:pointer;font-size:13px;color:var(--text-secondary);transition:all .15s ease}.icon-btn:hover:not(:disabled){border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-50)}.icon-btn:active:not(:disabled){transform:scale(.97)}.icon-btn:disabled{opacity:.5;cursor:default}.icon-btn.liked{background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-600)}.icon-btn.disliked{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.trace-link{color:var(--brand-600);text-decoration:none;font-size:12px}.trace-link:hover{text-decoration:underline}.source-popover{margin-top:8px;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}.source-popover summary{cursor:pointer;padding:8px 12px;font-size:12px;color:var(--brand-600);font-weight:600;-webkit-user-select:none;user-select:none;background:var(--surface-2)}.source-popover table{width:100%;border-collapse:collapse;font-size:12px}.source-popover th,.source-popover td{padding:7px 12px;border-top:1px solid var(--border);text-align:left}.source-popover th{background:var(--surface-2);color:var(--text-secondary);font-weight:600}.typing{display:inline-flex;align-items:center;gap:4px;color:var(--text-secondary);font-size:13px}.typing i{width:6px;height:6px;border-radius:50%;background:currentColor;animation:blink 1.2s infinite}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}@keyframes fadein{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.admin{height:100%;overflow-y:auto;padding:28px 32px 48px}.admin h2{margin-bottom:14px;font-size:20px;font-weight:700;letter-spacing:-.01em}.admin .key-form{display:flex;gap:10px;max-width:460px;margin-bottom:20px}.admin .key-form input{flex:1;border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 12px;font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}.admin .key-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.admin .key-form button{border:none;background:var(--brand-600);color:#fff;border-radius:var(--r-sm);padding:0 18px;cursor:pointer;font-weight:600;transition:background .15s}.admin .key-form button:hover{background:var(--brand-700)}.stats-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;margin-bottom:28px;font-size:13px;box-shadow:var(--shadow-sm)}.stats-table th,.stats-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left}.stats-table th{background:var(--brand-50);color:var(--brand-800);font-weight:600;font-size:12px}.stats-table tbody tr{transition:background .12s}.stats-table tbody tr:hover{background:var(--surface-2)}.stats-table tr:last-child td{border-bottom:none}.bar{height:8px;border-radius:var(--r-full);background:var(--brand-100);overflow:hidden;min-width:60px}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-400),var(--brand-600));border-radius:var(--r-full)}.badcase{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-sm)}.badcase h3{margin-bottom:10px;font-size:15px}.badcase table{width:100%;border-collapse:collapse;font-size:12px}.badcase th,.badcase td{padding:6px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.badcase th{background:var(--surface-2);color:var(--text-secondary);white-space:nowrap}.tag{display:inline-block;padding:2px 9px;border-radius:var(--r-full);font-size:11px;font-weight:600;background:var(--brand-50);color:var(--brand-700)}.tag.router{background:#fee2e2;color:#b91c1c}.tag.data{background:#fef3c7;color:var(--amber-600)}.tag.faithfulness{background:#fce7f3;color:#be185d}.tag.relevancy{background:#e0e7ff;color:#4338ca}.tag.retrieval{background:#e0f2fe;color:#075985}.tag.feedback{background:#eef2f1;color:#475569}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#cdd6d1;border-radius:var(--r-full);border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#b3c0b8;background-clip:content-box}.sidebar ::-webkit-scrollbar-thumb{background:#ffffff38;background-clip:content-box}.empty{text-align:center;color:var(--text-secondary);margin:48px 0;display:flex;flex-direction:column;align-items:center;gap:6px}.empty .big{font-size:48px;margin-bottom:8px;filter:drop-shadow(0 6px 12px rgba(16,185,129,.25))}.empty p{font-size:13px;opacity:.85}.auth-page{height:100%;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(1100px 520px at 50% -12%,rgba(255,255,255,.16),transparent 60%),linear-gradient(155deg,#064e3b,#047857 46%,#10b981)}.auth-card{width:380px;max-width:100%;background:var(--surface);border-radius:var(--r-2xl);box-shadow:0 24px 60px #02140c59;padding:36px 30px;display:flex;flex-direction:column;gap:12px}.auth-logo{font-size:46px;text-align:center;filter:drop-shadow(0 6px 14px rgba(16,185,129,.3))}.auth-card h1{font-size:24px;text-align:center;color:var(--brand-700);font-weight:800;letter-spacing:-.01em}.auth-card h2{font-size:20px;text-align:center}.auth-sub{font-size:12px;text-align:center;color:var(--text-secondary);margin-bottom:4px}.auth-tabs{display:flex;gap:8px;margin-bottom:4px}.auth-tabs button{flex:1;padding:9px 0;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface-2);color:var(--text-secondary);cursor:pointer;font-size:13px;transition:all .15s}.auth-tabs button.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}.auth-card input{padding:11px 13px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}.auth-card input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.auth-error{color:var(--danger);font-size:12px}.auth-submit{margin-top:4px;padding:12px 0;border:none;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:filter .15s,transform .1s}.auth-submit:hover{filter:brightness(1.05)}.auth-submit:active{transform:scale(.99)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-hint{font-size:11px;color:var(--text-muted);text-align:center}.user-card{display:flex;align-items:center;gap:8px;padding:10px 8px;margin-bottom:10px;background:#ffffff1a;border-radius:var(--r-md)}.avatar-dot{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--amber-400),var(--amber-600));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;box-shadow:var(--shadow-xs)}.user-info{flex:1;min-width:0;display:flex;flex-direction:column}.user-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role{font-size:11px;opacity:.8}.user-card .icon-btn{color:#ecfdf5;border-color:#ffffff59;background:transparent}.user-card .icon-btn:hover:not(:disabled){background:#ffffff1f;border-color:#fff9;color:#fff}.app.user-shell{flex-direction:column;height:100dvh;max-width:860px;margin:0 auto;background:var(--bg);box-shadow:0 0 24px #16201b0f;position:relative}.shell-body,.page{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.page-header{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:13px 16px;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);font-size:14px;font-weight:600;flex-shrink:0;box-shadow:var(--shadow-xs);z-index:5}.page-header>div:first-child{display:inline-flex;align-items:center;gap:8px}.dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);display:inline-block;flex-shrink:0;box-shadow:0 0 0 3px var(--brand-100)}.page-header .muted{font-size:12px;font-weight:400}.header-actions{display:flex;gap:6px;align-items:center}.scroll-area{flex:1;min-height:0;overflow-y:auto;padding:14px 16px calc(84px + env(safe-area-inset-bottom))}.section-title{margin:18px 0 10px;font-size:15px;font-weight:700;color:var(--text);letter-spacing:-.01em}.section-title:first-child{margin-top:4px}.muted{color:var(--text-secondary);font-size:12px}.small{font-size:11px}.bottom-nav{flex-shrink:0;display:flex;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 4px 7px;border:none;background:transparent;color:var(--text-muted);font-size:11px;cursor:pointer;transition:color .15s;position:relative}.bottom-nav button .nav-icon{font-size:19px;filter:grayscale(1) opacity(.65);transition:transform .15s}.bottom-nav button.active{color:var(--brand-600);font-weight:600}.bottom-nav button.active .nav-icon{filter:none;transform:translateY(-1px)}.bottom-nav button.active:before{content:"";position:absolute;top:4px;width:22px;height:3px;border-radius:var(--r-full);background:var(--brand-500)}.draggable-fab{width:54px;height:54px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--amber-400),var(--amber-600));color:#fff;font-size:28px;line-height:1;box-shadow:0 8px 20px #d9770666;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;z-index:60;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s ease,box-shadow .15s ease}.draggable-fab:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 12px 26px #d9770673}.draggable-fab:active{cursor:grabbing}.draggable-fab--dragging,.draggable-fab[data-dragging]{cursor:grabbing;transform:scale(1.08);box-shadow:0 16px 32px #d977068c;transition:none}.chat-messages{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding:16px 16px 8px}.composer-wrap{flex-shrink:0;background:#ffffffeb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);padding:10px 14px calc(12px + env(safe-area-inset-bottom))}.scope-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}.preset-chips{flex:1;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}.preset-chips::-webkit-scrollbar{display:none}.chip{flex-shrink:0;padding:6px 12px;border:1px solid var(--border);border-radius:var(--r-full);background:var(--surface);color:var(--brand-700);font-size:12px;cursor:pointer;transition:all .15s;white-space:nowrap}.chip:hover{border-color:var(--brand-500);background:var(--brand-50);color:var(--brand-700)}.scope-select{flex-shrink:0;padding:6px 10px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:12px;background:var(--surface);color:var(--text);cursor:pointer;outline:none;transition:border-color .15s}.scope-select:focus{border-color:var(--brand-500)}.composer{display:flex;gap:8px;align-items:flex-end}.composer textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--r-lg);padding:11px 14px;font-size:14px;font-family:inherit;outline:none;max-height:120px;transition:border-color .15s,box-shadow .15s}.composer textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.mic{flex-shrink:0}.mic.recording{background:var(--danger-soft);border-color:var(--danger);color:var(--danger);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.send-btn{flex-shrink:0;padding:11px 20px;border:none;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff;font-size:14px;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:filter .15s,transform .1s}.send-btn:hover:not(:disabled){filter:brightness(1.05)}.send-btn:active:not(:disabled){transform:scale(.98)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#10181473;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.modal{width:340px;max-width:100%;background:var(--surface);border-radius:var(--r-xl);padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-lg);animation:fadein-modal .18s ease}@keyframes fadein-modal{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal h4{font-size:15px;font-weight:700}.reason-options{display:flex;flex-wrap:wrap;gap:8px}.reason-options button{padding:7px 14px;border:1px solid var(--border);border-radius:var(--r-full);background:var(--surface-2);font-size:12px;cursor:pointer;transition:all .15s}.reason-options button.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}.modal textarea{border:1px solid var(--border);border-radius:var(--r-sm);padding:9px;resize:vertical;font-family:inherit;font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}.modal textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.modal-actions{display:flex;justify-content:flex-end;gap:8px}.catalog-group{margin-bottom:14px}.catalog-group h4{font-size:14px;margin-bottom:8px}.catalog-items{display:grid;grid-template-columns:1fr 1fr;gap:8px}@media (min-width: 640px){.catalog-items{grid-template-columns:1fr 1fr 1fr}}.catalog-card{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:10px 12px}.catalog-info{display:flex;justify-content:space-between;gap:6px;align-items:baseline}.catalog-name{font-size:13px;font-weight:600;word-break:break-all}.hot-list{display:flex;flex-direction:column;gap:8px}.hot-item{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);cursor:pointer;text-align:left;font-size:13px;transition:border-color .15s,background .15s,transform .1s}.hot-item:hover{border-color:var(--brand-500);background:var(--brand-50)}.hot-item:active{transform:scale(.995)}.hot-rank{width:22px;height:22px;border-radius:var(--r-sm);background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hot-q{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hot-score{color:var(--text-muted);font-size:12px;flex-shrink:0}.post-editor{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px;margin-bottom:14px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-xs)}.post-editor textarea{width:100%;border:none;outline:none;resize:vertical;font-size:13px;font-family:inherit;line-height:1.6}.post-editor-actions{display:flex;justify-content:space-between;align-items:center;gap:8px}.post-images{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.post-thumb{width:46px;height:46px;border-radius:var(--r-sm);object-fit:cover;border:1px solid var(--border)}.post-list{display:flex;flex-direction:column;gap:12px}.post-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px;box-shadow:var(--shadow-xs);transition:box-shadow .15s,transform .12s}.post-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.post-head{display:flex;gap:10px;align-items:center;margin-bottom:10px}.post-author{font-size:13px;font-weight:600}.post-content{font-size:13px;margin-bottom:10px;white-space:pre-wrap;line-height:1.65}.post-gallery{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.post-gallery img{width:108px;height:108px;border-radius:var(--r-md);object-fit:cover;border:1px solid var(--border)}.like-btn{color:var(--danger)}.like-btn.active{color:#e5484d;background:#e5484d1f;border-color:#e5484d59;font-weight:600}.post-actions{display:flex;gap:8px;margin-top:4px}.reply-section{margin-top:12px;padding:12px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);display:flex;flex-direction:column;gap:8px}.reply-empty{font-size:12px;text-align:center;color:var(--text-muted)}.reply-item{padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md)}.reply-sub{margin-left:16px}.reply-children{display:flex;flex-direction:column;gap:8px;margin-top:8px}.reply-head{display:flex;align-items:center;gap:6px;margin-bottom:4px}.reply-author{font-size:12px;font-weight:600}.reply-to,.reply-time{font-size:11px}.reply-content{font-size:13px;white-space:pre-wrap;margin-bottom:6px}.reply-actions{display:flex;gap:8px}.reply-actions .chip{padding:3px 12px;font-size:12px}.reply-input-row{display:flex;gap:6px;align-items:center}.reply-input{flex:1;padding:9px 14px;border:1px solid var(--border);border-radius:var(--r-full);background:var(--surface);font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}.reply-input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.tabs-inline{display:flex;gap:6px}.tabs-inline button{padding:6px 14px;border:1px solid var(--border);border-radius:var(--r-full);background:var(--surface-2);font-size:12px;cursor:pointer;color:var(--text-secondary);transition:all .15s}.tabs-inline button.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600}.filter-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.filter-row input{flex:1;min-width:120px;padding:9px 12px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:13px;outline:none;transition:border-color .15s,box-shadow .15s}.filter-row input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.filter-row select{padding:9px 10px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:12px;background:var(--surface);cursor:pointer;outline:none}.filter-row select:focus{border-color:var(--brand-500)}.filter-row .chip{display:flex;align-items:center;gap:6px}.conv-list,.fav-list,.card-list{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.conv-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 14px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-xs);transition:box-shadow .15s,transform .12s,border-color .15s}.conv-card:hover{box-shadow:var(--shadow);transform:translateY(-1px);border-color:var(--brand-200)}.conv-main{cursor:pointer}.conv-title{font-size:13px;font-weight:600;margin-bottom:2px}.conv-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.conv-actions select{padding:5px 8px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:12px;background:var(--surface);cursor:pointer;outline:none}.icon-btn.danger{color:var(--danger);border-color:#e2483d59}.icon-btn.danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.fav-q{font-size:13px;font-weight:600;margin-bottom:2px}.fav-a{font-size:12px;color:var(--text-secondary)}.folder-row{display:flex;gap:6px;flex-wrap:wrap}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px;display:flex;flex-direction:column;gap:12px;margin-bottom:12px;box-shadow:var(--shadow-xs)}.form-card label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--text-secondary)}.form-card input,.form-card select,.form-card textarea{padding:10px 12px;border:1px solid var(--border);border-radius:var(--r-sm);font-size:13px;font-family:inherit;color:var(--text);background:var(--surface);outline:none;transition:border-color .15s,box-shadow .15s}.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}.form-row{display:flex;gap:10px}.form-row label{flex:1}.form-card .switch-row{flex-direction:row;align-items:center;gap:8px;font-size:13px;color:var(--text);cursor:pointer}.form-card .switch-row input{width:16px;height:16px;accent-color:var(--brand-600)}.avatar-picker{display:flex;gap:6px;flex-wrap:wrap}.avatar-picker button{width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-md);font-size:18px;background:var(--surface-2);cursor:pointer;transition:all .15s}.avatar-picker button:hover{border-color:var(--brand-300)}.avatar-picker button.active{border-color:var(--brand-500);background:var(--brand-50);box-shadow:0 0 0 3px var(--brand-100)}.save-btn{width:100%;margin-bottom:8px}.notif-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 14px;box-shadow:var(--shadow-xs)}.notif-card.read{opacity:.6}.notif-title{font-size:13px;font-weight:600}.profile-actions{display:flex;gap:8px;justify-content:center;margin:18px 0 8px}.logout-btn{color:var(--danger);border-color:#e2483d66}.logout-btn:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:calc(84px + env(safe-area-inset-bottom));background:#101814eb;color:#fff;font-size:13px;padding:9px 18px;border-radius:var(--r-full);z-index:300;box-shadow:var(--shadow-md);animation:fadein .2s ease}@media (min-width: 768px){body{background:radial-gradient(1200px 600px at 50% -12%,rgba(16,185,129,.1),transparent 60%),linear-gradient(180deg,#eef3f0,#f3f6f4)}.app.user-shell{height:calc(100dvh - 48px);max-width:1040px;margin:24px auto;border-radius:var(--r-2xl);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-lg)}.page-header{padding:14px 24px}.scroll-area{padding:18px 24px calc(96px + env(safe-area-inset-bottom))}.chat-messages{padding:20px 24px 12px}.composer-wrap{padding:12px 24px calc(14px + env(safe-area-inset-bottom))}.bottom-nav{padding-top:4px}}@media (max-width: 760px){.admin{padding:20px 14px 40px}.stats-table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}}.admin-topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.admin-title{font-weight:700;font-size:15px}.admin-layout{display:flex;gap:16px;align-items:flex-start}.admin-nav{display:flex;flex-direction:column;gap:4px;min-width:150px;flex-shrink:0;position:sticky;top:12px}.admin-nav-item{text-align:left;padding:10px 12px;border-radius:var(--r-md);border:1px solid transparent;background:transparent;cursor:pointer;font-size:14px;color:var(--text-secondary)}.admin-nav-item:hover{background:var(--surface-2)}.admin-nav-item.active{background:var(--primary);color:#fff;font-weight:600}.admin-main{flex:1;min-width:0}.admin-hint{color:var(--text-secondary);font-size:12px;line-height:1.7}.admin-ok-text{color:var(--success, #2e7d32);font-size:12px}.admin-warn{color:#b45309;font-size:12px}.admin-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}.admin-inline{display:inline-flex;gap:6px;align-items:center;font-size:13px}.admin-inline input[type=number]{width:70px}.admin-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.admin-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 14px;box-shadow:var(--shadow)}.admin-card-value{font-size:24px;font-weight:700}.admin-card-label{font-size:13px;margin-top:2px}.admin-card-sub{font-size:12px;color:var(--text-secondary);margin-top:2px}.health-pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;margin:0 6px 6px 0;border:1px solid var(--border)}.health-pill.ok{background:#dcfce7;color:#166534}.health-pill.err{background:#fee2e2;color:#991b1b}.admin-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.admin-tabs button{padding:6px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:13px}.admin-tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.rag-block{border:1px solid var(--border);border-radius:var(--r-md);padding:12px;margin-bottom:12px;background:var(--surface)}.rag-block h4{margin:0 0 10px;font-size:14px}.rag-block h5{margin:0 0 6px;font-size:13px;color:var(--text-secondary)}.rag-preview{font-size:12px;color:var(--text-secondary);word-break:break-all}.rag-pre{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:12px;max-height:240px;overflow:auto;white-space:pre-wrap;word-break:break-all}.rag-textarea{width:100%;box-sizing:border-box;resize:vertical;font-family:inherit}.tag-input{width:130px;padding:4px 6px;border-radius:6px;border:1px solid var(--border)}.perm-row{gap:4px}.perm-chip{display:inline-flex;gap:3px;align-items:center;font-size:11px;padding:2px 7px;border:1px solid var(--border);border-radius:999px;cursor:pointer;color:var(--text-secondary)}.perm-chip.on{background:#e0f2fe;color:#075985;border-color:#bae6fd}.dict-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.dict-chip{display:inline-flex;gap:4px;align-items:center;font-size:12px;padding:3px 8px;border:1px solid var(--border);border-radius:999px;background:var(--surface-2)}