.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 50% 0%,rgba(249,115,22,.08),transparent 60%),var(--bg-primary)}.login-card{width:100%;max-width:380px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:32px 28px;display:flex;flex-direction:column;gap:14px;box-shadow:0 12px 40px #00000059}.login-brand{font-size:20px;font-weight:700;color:var(--accent);text-align:center}.login-sub{font-size:13px;color:var(--text-muted);text-align:center;margin-bottom:8px}.login-tabs{display:flex;gap:6px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:10px;padding:4px;margin-bottom:4px}.login-tabs button{flex:1;padding:8px;border:none;background:none;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;border-radius:7px;transition:var(--transition)}.login-tabs button:hover{color:var(--text-primary)}.login-tabs button.active{background:var(--accent);color:#fff}.login-field{display:flex;flex-direction:column;gap:6px}.login-field span{font-size:13px;color:var(--text-secondary)}.login-field input{padding:11px 14px;border:2px solid var(--border);border-radius:10px;background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;outline:none;transition:var(--transition)}.login-field input:focus{border-color:var(--accent)}.login-error{background:#ef44441f;border:1px solid var(--red);color:#fca5a5;border-radius:8px;padding:9px 12px;font-size:13px}.login-submit{margin-top:6px;height:44px;display:flex;align-items:center;justify-content:center}.login-submit:disabled{opacity:.6;cursor:default}.chat-layout{display:flex;height:100%;overflow:hidden}.sidebar-resizer{flex:0 0 5px;cursor:col-resize;background:transparent;transition:background .15s}.sidebar-resizer:hover,.sidebar-resizer.dragging{background:var(--accent)}.sidebar{width:var(--sidebar-width);flex:0 0 var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px;gap:10px}.sidebar-brand{font-size:16px;font-weight:700;color:var(--accent);padding:4px 6px 8px}.agent-list{display:flex;flex-direction:column;gap:4px}.agent-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;border:1px solid transparent;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;cursor:pointer;text-align:left;transition:var(--transition)}.agent-item:hover{background:var(--bg-hover)}.agent-item.active{border-color:var(--accent)}.agent-icon{width:22px;height:22px;flex:0 0 22px;display:inline-flex;align-items:center;justify-content:center;font-size:16px;overflow:hidden;border-radius:6px;object-fit:cover}.agent-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.agent-dot{width:7px;height:7px;border-radius:50%;background:var(--green)}.new-chat-btn{padding:10px;border:1px dashed var(--border-light);border-radius:10px;background:transparent;color:var(--text-primary);cursor:pointer;font-size:14px}.new-chat-btn:hover{background:var(--bg-hover)}.chat-search{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;outline:none}.chat-search:focus{border-color:var(--accent)}.chat-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;margin-top:4px}.chat-list-empty{color:var(--text-muted);font-size:13px;padding:8px 6px}.chat-item{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:8px;cursor:pointer;color:var(--text-secondary);font-size:13px}.chat-item:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-item.active{background:var(--bg-active);color:var(--text-primary)}.pin-mark{font-size:11px}.chat-agent-icon{width:18px;height:18px;flex:0 0 18px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;overflow:hidden;border-radius:5px;object-fit:cover;opacity:.9}.chat-item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item-actions{display:flex;gap:2px;opacity:0}.chat-item:hover .chat-item-actions{opacity:1}.chat-item-actions button{border:none;background:none;color:var(--text-muted);cursor:pointer;font-size:12px;padding:2px 4px;border-radius:4px}.chat-item-actions button:hover{color:var(--text-primary);background:var(--bg-active)}.chat-item-actions .del:hover{color:var(--red)}.model-select{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:8px;padding:6px 8px;font-size:12px;max-width:200px;cursor:pointer}.export-wrap{position:relative}.export-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:200;background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:10px;padding:4px;display:flex;flex-direction:column;min-width:90px;box-shadow:0 8px 24px #0006}.export-menu button{border:none;background:none;color:var(--text-primary);cursor:pointer;padding:8px 12px;border-radius:6px;text-align:left;font-size:13px}.export-menu button:hover{background:var(--bg-hover)}.logout-btn{padding:9px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;font-size:13px}.logout-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-header{height:var(--header-height);flex:0 0 var(--header-height);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px}.chat-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-actions{display:flex;align-items:center;gap:12px}.status-dot{width:9px;height:9px;border-radius:50%}.status-dot.on{background:var(--green)}.status-dot.off{background:var(--text-muted)}.icon-btn{border:none;background:none;color:var(--text-secondary);cursor:pointer;font-size:17px;display:inline-flex;align-items:center;justify-content:center;padding:6px;border-radius:8px;line-height:1}.icon-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.icon-btn svg{width:20px;height:20px;display:block}.chat-user{font-size:13px;color:var(--text-muted)}.burger-menu{position:relative}.burger-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:200px;z-index:200;background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:10px;padding:6px;box-shadow:0 8px 24px #0006}.burger-username{padding:8px 12px;font-weight:600;font-size:13px;color:var(--text-primary);border-bottom:1px solid var(--border);margin-bottom:4px}.burger-item{display:block;width:100%;text-align:left;padding:9px 12px;border:none;background:none;color:var(--text-primary);font-size:13px;cursor:pointer;border-radius:6px;text-decoration:none}.burger-item:hover{background:var(--bg-hover)}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:22px}.messages>*{width:100%;max-width:860px;margin:0 auto}.messages.empty{align-items:center;justify-content:center}.welcome{text-align:center;color:var(--text-muted)}.welcome-title{font-size:22px;color:var(--text-primary);margin-bottom:6px}.msg-row{display:flex;gap:16px}.msg-row.user{justify-content:flex-end}.msg-avatar{width:32px;height:32px;border-radius:50%;flex-shrink:0;margin-top:2px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;overflow:hidden}.msg-avatar.assistant-avatar{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff}.msg-avatar.user-avatar{background:var(--bg-active);color:var(--text-primary)}.msg-avatar.img-avatar{border-radius:8px;background:var(--bg-active)}img.avatar-media{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}span.avatar-media{font-size:17px;line-height:1}.msg-content{flex:1;min-width:0;max-width:100%}.msg-row.user .msg-content{display:flex;flex-direction:column;align-items:flex-end}.msg-role{font-size:13px;font-weight:600;margin-bottom:4px}.msg-role.assistant-role{color:var(--accent)}.msg-role.user-role{color:var(--text-secondary)}.msg-bubble{line-height:1.65;font-size:15px;color:var(--text-primary);word-break:break-word}.msg-row.user .msg-bubble{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;padding:10px 16px;border-radius:18px 18px 4px;max-width:85%;white-space:pre-wrap}.msg-row.assistant .msg-bubble{padding:2px 0}.msg-bubble.error{color:#fca5a5}.copy-btn{margin-top:8px;border:none;background:none;color:var(--text-muted);font-size:12px;cursor:pointer;padding:2px 0}.copy-btn:hover{color:var(--text-primary)}.sources{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}.source-chip{font-size:11px;padding:3px 9px;border-radius:6px;border:none;cursor:pointer;background:#3b82f626;color:#60a5fa;font-family:inherit}.source-chip:hover{background:#3b82f647}.source-chip .src-num{font-weight:700;opacity:.9}.source-chip.file{background:#22c55e26;color:var(--green)}.source-chip.file-attach{background:var(--bg-tertiary);color:var(--text-secondary);cursor:default}.user-files{justify-content:flex-end}.icon-round{flex:0 0 auto;width:34px;height:34px;border:none;border-radius:9px;background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center}.icon-round:hover{background:var(--bg-hover);color:var(--text-primary)}.icon-round svg{width:18px;height:18px}.cmd-wrap{position:relative;display:flex}.cmd-menu{position:absolute;bottom:calc(100% + 10px);left:0;min-width:340px;z-index:1500;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:12px;padding:6px;box-shadow:0 10px 30px #00000073}.cmd-item{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;padding:9px 12px;border:none;background:none;border-radius:8px;cursor:pointer}.cmd-item:hover{background:var(--bg-hover)}.cmd-name{font-family:SF Mono,Consolas,monospace;font-size:13px;color:var(--accent)}.cmd-desc{font-size:12px;color:var(--text-muted)}.attach-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.attach-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;padding:4px 8px}.attach-chip.error{border-color:var(--red);color:#fca5a5}.attach-chip button{border:none;background:none;color:var(--text-muted);cursor:pointer}.attach-chip button:hover{color:var(--red)}.attach-btn{flex:0 0 auto;width:34px;height:34px;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center}.attach-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.attach-btn svg{width:18px;height:18px}.typing{display:flex;gap:5px;padding:4px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--text-muted);animation:blink 1.4s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,60%,to{opacity:.3}30%{opacity:1}}.composer{border-top:1px solid var(--border);padding:14px 20px 10px}.composer-box{display:flex;align-items:flex-end;gap:10px;border:1px solid var(--border-light);border-radius:14px;background:var(--bg-secondary);padding:8px 10px}.composer-box:focus-within{border-color:var(--accent)}.composer-input{flex:1;border:none;outline:none;resize:none;background:transparent;color:var(--text-primary);font-size:14px;font-family:inherit;line-height:1.5;max-height:200px;padding:6px 4px}.send-btn{flex:0 0 auto;width:38px;height:38px;border:none;border-radius:10px;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.send-btn:hover{background:var(--accent-dark)}.send-btn.stop{background:var(--red)}.send-btn.stop:hover{background:#b91c1c}.send-btn svg{width:18px;height:18px}.composer-hint{text-align:center;color:var(--text-muted);font-size:11px;margin-top:6px}.files-picker-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:400;display:flex;align-items:center;justify-content:center;padding:20px}.files-picker{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:14px;width:100%;max-width:560px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #00000080;overflow:hidden}.files-picker-head{padding:16px 18px 8px;display:flex;flex-direction:column;gap:2px}.files-picker-head strong{font-size:15px}.files-picker-sub{font-size:12px;color:var(--text-muted)}.files-picker-search{margin:0 18px 10px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;outline:none}.files-picker-search:focus{border-color:var(--accent)}.files-picker-list{flex:1;overflow-y:auto;padding:0 10px}.files-picker-empty{padding:24px;text-align:center;color:var(--text-muted);font-size:13px}.files-picker-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;cursor:pointer}.files-picker-item:hover{background:var(--bg-hover)}.files-picker-item .fp-name{flex:1;min-width:0;font-size:13px;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files-picker-item .fp-base{flex:0 0 auto;font-size:11px;color:var(--text-muted);background:var(--bg-tertiary);padding:2px 8px;border-radius:6px}.files-picker-actions{display:flex;gap:8px;padding:12px 18px;border-top:1px solid var(--border)}.fp-btn{padding:8px 16px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;cursor:pointer}.fp-btn:hover{background:var(--bg-hover)}.fp-btn.primary{background:var(--accent);color:#fff;border:none}.fp-btn.primary:disabled{opacity:.5;cursor:not-allowed}.chat-header-left{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0}.chat-header-left .chat-title{min-width:0}.chat-header-actions{flex:0 0 auto}.sidebar-toggle,.sidebar-backdrop{display:none}@media (max-width: 768px){.sidebar-toggle{display:inline-flex}.sidebar-resizer{display:none}.sidebar{position:fixed!important;top:0;left:0;bottom:0;width:min(85vw,320px)!important;flex:none!important;z-index:1200;transform:translate(-100%);transition:transform .22s ease;border-right:1px solid var(--border-light)}.sidebar.open{transform:translate(0);box-shadow:6px 0 40px #00000080}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:1150}.chat-header{padding:0 12px}.chat-title{font-size:15px}.chat-header-actions{gap:6px}.messages{padding:14px 12px;gap:18px}.msg-row{gap:10px}.msg-row.user .msg-bubble{max-width:88%}.msg-avatar{width:28px;height:28px}.composer{padding:10px 12px calc(8px + env(safe-area-inset-bottom))}.composer-hint{display:none}.cmd-menu{min-width:0;width:min(88vw,340px)}.export-menu,.burger-dropdown{max-width:min(80vw,240px)}}.admin-shell{min-height:100%;background:var(--bg-primary)}.admin-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:8px 20px;min-height:56px}.admin-brand{font-size:16px;font-weight:700;color:var(--accent);flex:0 0 auto}.admin-links{display:flex;align-items:center;gap:4px;row-gap:6px;flex:1;flex-wrap:wrap}.admin-links a{padding:7px 12px;border-radius:8px;font-size:13px;font-weight:500;color:var(--text-secondary);text-decoration:none;white-space:nowrap}.admin-links a:hover{background:var(--bg-hover);color:var(--text-primary)}.admin-links a.active{color:var(--accent);background:var(--accent-glow)}.admin-nav-div{width:1px;height:20px;background:var(--border-light);margin:0 4px}.admin-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}.admin-chat-link{font-size:13px;color:var(--text-secondary)}.admin-chat-link:hover{color:var(--text-primary)}.admin-nav-right button{border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-secondary);border-radius:8px;padding:7px 14px;font-size:13px;cursor:pointer}.admin-nav-right button:hover{background:var(--bg-hover);color:var(--text-primary)}.admin-content{max-width:1100px;margin:0 auto;padding:24px}.admin-loading,.admin-denied{padding:60px 24px;text-align:center;color:var(--text-muted)}.admin-denied h2{color:var(--text-primary);margin-bottom:8px}.admin-denied p{margin-bottom:16px}.admin-page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.admin-page-head h2{font-size:20px}.admin-intro{color:var(--text-muted);font-size:13px;margin-bottom:18px;line-height:1.5}.admin-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:14px}.admin-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.admin-card-title{font-size:16px;font-weight:600}.admin-badge{font-size:11px;padding:2px 8px;border-radius:6px;margin-left:8px}.admin-badge.on{background:#22c55e26;color:var(--green)}.admin-badge.off{background:#6b728026;color:#9ca3af}.admin-badge.accent{background:var(--accent-glow);color:var(--accent)}.admin-chip{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px;margin:2px 4px 2px 0;background:#3b82f626;color:#60a5fa}.admin-chip.empty{background:#6b728026;color:#9ca3af}.admin-muted{color:var(--text-muted);font-size:12px;margin-top:8px}.admin-btn{padding:7px 14px;border:none;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;color:#fff}.admin-btn.blue{background:#2563eb}.admin-btn.blue:hover{background:#1d4ed8}.admin-btn.red{background:var(--red)}.admin-btn.red:hover{background:#b91c1c}.admin-btn.gray{background:var(--bg-hover);color:var(--text-primary)}.admin-btn.gray:hover{background:var(--bg-active)}.admin-loading-row{text-align:center;color:var(--text-muted);padding:40px}.prompt-area{width:100%;min-height:120px;margin-top:10px;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#0f1117;color:#e6e6e6;font-family:SF Mono,Consolas,monospace;font-size:13px;line-height:1.5;outline:none;resize:vertical;white-space:pre-wrap}.prompt-area:focus{border-color:var(--accent)}.admin-key{font-size:11px;font-family:SF Mono,Consolas,monospace;color:#7dd3fc;background:#38bdf81a;border-radius:6px;padding:3px 8px}.admin-field{margin-bottom:14px}.admin-field>label{display:block;color:var(--text-secondary);font-size:13px;margin-bottom:6px}.admin-input{width:100%;padding:10px 14px;border:2px solid var(--border);border-radius:10px;background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;outline:none;font-family:inherit}.admin-input:focus{border-color:var(--accent)}textarea.admin-input{resize:vertical;min-height:54px}.admin-aside{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.admin-aside h3{font-size:14px;margin-bottom:4px}.gv-row{display:flex;gap:6px;margin-bottom:8px}.gv-row input{flex:1;min-width:0;padding:7px 9px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:12px;outline:none;font-family:SF Mono,Consolas,monospace}.gv-row input:focus{border-color:var(--accent)}.gv-row .k{flex:0 0 40%}.gv-row .del{flex:0 0 auto;border:none;border-radius:8px;background:#ef444426;color:#fca5a5;cursor:pointer;padding:0 10px}.valve-row{display:flex;gap:6px;margin-bottom:8px;align-items:center}.valve-row .vname{flex:0 0 40%;font-size:12px;font-family:SF Mono,Consolas,monospace;color:var(--text-secondary)}.color-field label{display:block;color:var(--text-secondary);font-size:13px;margin-bottom:6px}.color-row{display:flex;align-items:center;gap:8px}.color-input{width:48px;height:40px;padding:2px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);cursor:pointer}.color-input::-webkit-color-swatch-wrapper{padding:0}.color-input::-webkit-color-swatch{border:none;border-radius:5px}.help-tip{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;margin-left:6px;border-radius:50%;background:var(--bg-hover);color:var(--text-secondary);font-size:10px;cursor:help;-webkit-user-select:none;user-select:none}.admin-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:300;display:flex;align-items:center;justify-content:center;padding:20px}.admin-modal{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:14px;padding:22px 24px;width:100%;max-width:460px;max-height:90vh;overflow:auto;box-shadow:0 20px 60px #00000080}.admin-modal h3{margin-bottom:14px}.admin-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.admin-grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}@media (max-width: 760px){.admin-grid2,.admin-grid3{grid-template-columns:1fr}}.inline-check{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);margin:0;cursor:pointer}.checklist-wrap{display:flex;flex-direction:column;gap:6px}.checklist-search{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;outline:none}.checklist-search:focus{border-color:var(--accent)}.checklist{border:1px solid var(--border);border-radius:10px;background:var(--bg-tertiary);max-height:160px;overflow-y:auto;padding:6px}.checklist-item{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:6px;font-size:13px;cursor:pointer}.checklist-item:hover{background:var(--bg-hover)}.checklist-empty{color:var(--text-muted);font-size:12px;padding:8px}.admin-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th,.admin-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}.admin-table th{color:var(--text-secondary);font-weight:600;background:var(--bg-secondary);position:sticky;top:0}.admin-table tbody tr:hover td{background:var(--bg-secondary)}.admin-table td.wrap{white-space:normal;max-width:420px;color:var(--text-secondary)}.admin-table select{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;padding:4px 6px;font-size:12px}.admin-actions{display:flex;gap:4px}.admin-actions button{border:none;background:var(--bg-hover);color:var(--text-primary);border-radius:6px;padding:4px 8px;font-size:12px;cursor:pointer}.admin-actions button:hover{background:var(--bg-active)}.admin-actions button.red{background:#ef444426;color:#fca5a5}.admin-pager{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:16px;color:var(--text-muted);font-size:13px}.admin-pager button{border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);border-radius:8px;padding:6px 12px;cursor:pointer}.admin-pager button:disabled{opacity:.4;cursor:default}.admin-toolbar{display:flex;gap:10px;margin-bottom:16px}.admin-toolbar input{flex:1;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary);font-size:13px;outline:none}.admin-toolbar input:focus{border-color:var(--accent)}.admin-btn.ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.admin-btn.ghost:hover{color:var(--text-primary);border-color:var(--border-light)}.icon-picker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.icon-choice{width:44px;height:44px;padding:0;border-radius:10px;cursor:pointer;border:2px solid transparent;background:var(--bg-tertiary);display:inline-flex;align-items:center;justify-content:center;transition:border-color .12s,transform .12s}.icon-choice img{width:34px;height:34px;display:block;border-radius:8px}.icon-choice:hover{transform:translateY(-1px);border-color:var(--border-light)}.icon-choice.selected{border-color:var(--accent)}.icon-custom{display:flex;align-items:center;gap:10px}.icon-custom .admin-input{flex:1}.icon-preview{width:40px;height:40px;flex:0 0 40px;border-radius:10px;overflow:hidden;background:var(--bg-tertiary);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1}.icon-preview img{width:100%;height:100%;object-fit:cover}.admin-modal.wide{max-width:640px}.token-layout{display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:start}@media (max-width: 720px){.token-layout{grid-template-columns:1fr}}.token-agents{display:flex;flex-direction:column;gap:4px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:8px;max-height:70vh;overflow-y:auto}.token-agent{text-align:left;padding:9px 12px;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);font-size:13px;cursor:pointer}.token-agent:hover{background:var(--bg-hover);color:var(--text-primary)}.token-agent.active{background:var(--accent-glow);color:var(--accent);font-weight:600}.token-detail{min-width:0}.token-total-row td{border-top:2px solid var(--border-light);font-weight:600}@media (max-width: 640px){.admin-content{padding:16px 12px}.admin-page-head{flex-wrap:wrap;gap:8px}.admin-nav{gap:10px;padding:8px 12px}.admin-toolbar{flex-wrap:wrap}.token-layout{grid-template-columns:1fr}.token-agents{max-height:220px}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/static/spa/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/static/spa/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/static/spa/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/static/spa/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/static/spa/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/static/spa/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/static/spa/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/static/spa/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/static/spa/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/static/spa/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/static/spa/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/static/spa/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/static/spa/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/static/spa/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/static/spa/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/static/spa/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/static/spa/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/static/spa/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/static/spa/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/static/spa/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/static/spa/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/static/spa/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/static/spa/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/static/spa/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/static/spa/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/static/spa/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/static/spa/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/static/spa/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/static/spa/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/static/spa/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/static/spa/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/static/spa/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/static/spa/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/static/spa/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/static/spa/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/static/spa/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--bg-primary: #1a1a1a;--bg-secondary: #1e1e1e;--bg-tertiary: #2d2d2d;--bg-hover: #333333;--bg-active: #3a3a3a;--border: #333333;--border-light: #404040;--text-primary: #e0e0e0;--text-secondary: #999999;--text-muted: #666666;--accent: #f97316;--accent-dark: #ea580c;--accent-glow: rgba(249, 115, 22, .15);--green: #4ade80;--red: #ef4444;--sidebar-width: 320px;--header-height: 56px;--transition: .2s ease}:root[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #e8e8e8;--bg-hover: #e0e0e0;--bg-active: #d5d5d5;--border: #d0d0d0;--border-light: #c0c0c0;--text-primary: #1a1a1a;--text-secondary: #555555;--text-muted: #888888;--accent-glow: rgba(249, 115, 22, .1)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}button{font-family:inherit}.btn{padding:9px 16px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-ghost{background:var(--bg-tertiary);color:var(--text-primary)}.btn-ghost:hover{background:var(--bg-hover)}.toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:10px;font-size:14px;z-index:4000;background:#166534;color:#4ade80;border:1px solid #22c55e;box-shadow:0 8px 24px #0006}.toast.error{background:#7f1d1d;color:#fca5a5;border-color:#ef4444}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.markdown{line-height:1.6;word-wrap:break-word}.markdown p{margin:0 0 10px}.markdown p:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3{margin:14px 0 8px;line-height:1.3}.markdown h1{font-size:1.4em}.markdown h2{font-size:1.25em}.markdown h3{font-size:1.1em}.markdown ul,.markdown ol{margin:0 0 10px;padding-left:22px}.markdown li{margin:3px 0}.markdown code{background:var(--bg-tertiary);padding:2px 6px;border-radius:5px;font-family:SF Mono,Consolas,monospace;font-size:.9em}.markdown pre{background:#0f1117;border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow-x:auto;margin:0 0 10px}.markdown pre code{background:none;padding:0}.markdown blockquote{border-left:3px solid var(--accent);padding-left:12px;color:var(--text-secondary);margin:0 0 10px}.markdown table{border-collapse:collapse;margin:0 0 10px;display:block;overflow-x:auto}.markdown th,.markdown td{border:1px solid var(--border);padding:6px 10px}.markdown a{text-decoration:underline}