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span:nth-child(2){animation-delay:.2s}.chatbot-bubble--loading span:nth-child(3){animation-delay:.4s}@keyframes chatbot-dot{0%,80%,to{transform:scale(.8);opacity:.4}40%{transform:scale(1.2);opacity:1}}.chatbot-sources{display:flex;flex-wrap:wrap;gap:var(--space-1);margin-top:var(--space-2);padding:0 2px}.chatbot-source-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:var(--r-pill);background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--accent);font-size:11px;font-weight:var(--w-medium);cursor:pointer;transition:background var(--dur-fast);max-width:180px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.chatbot-source-chip:hover{background:var(--accent-soft)}.chatbot-input-row{display:flex;align-items:flex-end;gap:var(--space-2);padding:12px 14px;border-top:1px solid var(--border);flex-shrink:0}.chatbot-input{flex:1;resize:none;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);color:var(--fg-body);font-family:var(--font-sans);font-size:var(--t-small);line-height:var(--lh-relaxed);padding:8px 12px;max-height:100px;overflow-y:auto;transition:border-color var(--dur-fast);outline:none;field-sizing:content}.chatbot-input:focus{border-color:var(--accent)}.chatbot-input:disabled{opacity:.5}.chatbot-input::placeholder{color:var(--fg-caption)}.chatbot-send{width:36px;height:36px;flex-shrink:0;border-radius:var(--r-md);background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--dur-fast),opacity var(--dur-fast)}.chatbot-send:hover:not(:disabled){background:var(--accent-hover)}.chatbot-send:disabled{opacity:.35;cursor:not-allowed}@media (max-width: 880px){.chatbot-panel{width:calc(100vw - 32px);right:16px;bottom:84px}.chatbot-fab{right:16px;bottom:20px}}:root[data-theme=light] .ambient{background:radial-gradient(ellipse 50% 40% at 12% 8%,rgba(0,64,255,.08),transparent 60%),radial-gradient(ellipse 35% 30% at 92% 80%,rgba(59,108,255,.05),transparent 60%)}:root[data-theme=light] .sidebar{background:#ffffffc7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}:root[data-theme=light] .sidebar-brand .wm{color:var(--fg)}:root[data-theme=light] .sidebar-brand .role-pill{border-color:#0040ff2e}:root[data-theme=light] .nav-item:hover{background:#0019630f}:root[data-theme=light] .nav-item.active{color:var(--accent)}:root[data-theme=light] .nav-item .badge{background:#00196314}:root[data-theme=light] .user-chip:hover{background:#0019630f}:root[data-theme=light] .user-chip .meta .n{color:var(--fg)}:root[data-theme=light] .topbar{background:#f8f9ffc7}:root[data-theme=light] .crumbs .cur{color:var(--fg)}:root[data-theme=light] .search{background:#0019630a}:root[data-theme=light] .search input{color:var(--fg)}:root[data-theme=light] .search kbd{background:#0019630f}:root[data-theme=light] .btn.is-secondary{color:var(--accent)}:root[data-theme=light] .btn.is-ghost:hover{color:var(--fg);background:#0019630a}:root[data-theme=light] .btn.is-tertiary:hover{color:var(--accent)}:root[data-theme=light] .chip{background:#0019630a;color:var(--fg-muted)}:root[data-theme=light] .chip.active{color:var(--fg)}:root[data-theme=light] .ccp-swatch{border-color:var(--glass-border)}:root[data-theme=light] .ccp-swatch:hover{border-color:var(--border-strong)}:root[data-theme=light] .ccp-preset.active{border-color:#222}:root[data-theme=light] .panel-head h3,:root[data-theme=light] .panel h3,:root[data-theme=light] .table .row-name,:root[data-theme=light] .kpi .k-value,:root[data-theme=light] .lesson-info h2,:root[data-theme=light] .module-head .m-title,:root[data-theme=light] .rail-head .t{color:var(--fg)}:root[data-theme=light] .lesson-row .l-title{color:var(--fg)}:root[data-theme=light] .resource-card .r-name{color:var(--fg)}:root[data-theme=light] .panel,:root[data-theme=light] .module-card{box-shadow:var(--shadow-sm)}:root[data-theme=light] .module-card{background:#ffffffbf;border:1px solid var(--glass-border)}:root[data-theme=light] .input,:root[data-theme=light] .select,:root[data-theme=light] .textarea{background:#fff;color:var(--fg);border-color:var(--border)}:root[data-theme=light] .input::placeholder,:root[data-theme=light] .textarea::placeholder{color:var(--fg-caption)}:root[data-theme=light] .field .label{color:var(--fg-muted)}:root[data-theme=light] .course-card{background:#ffffffd9;border:1px solid var(--glass-border)}:root[data-theme=light] .course-card .text-title,:root[data-theme=light] .course-card.is-text-only .text-title{color:var(--fg)}:root[data-theme=light] .progress-row{color:var(--fg-muted)}:root[data-theme=light] .login-aside h1{color:var(--fg)}:root[data-theme=light] .login-aside li{color:var(--fg-body)}:root[data-theme=light] .login-card{background:#ffffffeb}:root[data-theme=light] .login-card h2{color:var(--fg)}:root[data-theme=light] .role-toggle{background:#0019630a}:root[data-theme=light] .role-toggle button.active{color:var(--fg)}:root[data-theme=light] .rich-toolbar select.tb-select{color:var(--fg);background:#fff}:root[data-theme=light] .rich-toolbar button:hover{background:#0019630f;color:var(--fg)}:root[data-theme=light] .rich-toolbar button.active{color:var(--fg)}:root[data-theme=light] .rich-toolbar,:root[data-theme=light] .lesson-editor .le-header,:root[data-theme=light] .lesson-tabs,:root[data-theme=light] .tabs{background:#ffffffb3}:root[data-theme=light] .lesson-editor .title-input{color:var(--fg)}:root[data-theme=light] .tabs button.active,:root[data-theme=light] .lesson-tabs button.active{color:var(--fg)}:root[data-theme=light] .rail-head,:root[data-theme=light] .rail-body{color:var(--fg-body)}:root[data-theme=light] .rail-lesson .l-title{color:var(--fg)}:root[data-theme=light] .prose h1,:root[data-theme=light] .prose h2,:root[data-theme=light] .prose h3,:root[data-theme=light] .prose strong{color:var(--fg)}:root[data-theme=light] .prose blockquote{color:var(--fg-body);background:#0040ff0a;border-left-color:var(--accent)}:root[data-theme=light] .blk-callout{background:#0040ff0d;color:var(--fg-body)}:root[data-theme=light] .blk-callout strong{color:var(--fg)}:root[data-theme=light] .matrix .mh,:root[data-theme=light] .matrix .mr .mr-meta .n{color:var(--fg)}:root[data-theme=light] .matrix .mc:not(.on):hover{background:#0040ff0f}:root[data-theme=light] .pdf-toolbar{background:#ffffffd9}:root[data-theme=light] .pdf-toolbar span,:root[data-theme=light] .zoom-pill .v{color:var(--fg)}