:root{--bg-main: #0b0f19;--bg-sidebar: #0f172a;--bg-card: rgba(17, 24, 39, .7);--bg-card-hover: rgba(30, 41, 59, .8);--bg-input: #1e293b;--bg-header: rgba(15, 23, 42, .85);--border-color: rgba(255, 255, 255, .08);--border-focus: #6366f1;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #6366f1;--accent-primary-hover: #4f46e5;--accent-secondary: #06b6d4;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);--accent-glow: 0 0 20px rgba(99, 102, 241, .35);--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--sidebar-width: 320px;--header-height: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", monospace;--glass-bg: rgba(15, 23, 42, .75);--glass-border: 1px solid rgba(255, 255, 255, .08);--glass-backdrop: blur(12px)}.light-theme{--bg-main: #f8fafc;--bg-sidebar: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f1f5f9;--bg-input: #e2e8f0;--bg-header: rgba(255, 255, 255, .9);--border-color: #e2e8f0;--border-focus: #4f46e5;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--glass-bg: rgba(255, 255, 255, .85);--glass-border: 1px solid #e2e8f0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);overflow:hidden;-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;height:100vh;width:100vw}.app-container{display:flex;flex:1;height:calc(100vh - var(--header-height));overflow:hidden;position:relative}.app-header{height:var(--header-height);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);border-bottom:var(--glass-border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:50}.brand{display:flex;align-items:center;gap:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.brand-icon{width:36px;height:36px;background:var(--accent-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--accent-glow)}.brand-title{font-size:1.15rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.brand-subtitle{font-size:.72rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.header-center{flex:1;max-width:540px;margin:0 24px}.search-trigger{width:100%;height:40px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);display:flex;align-items:center;padding:0 14px;gap:10px;cursor:pointer;transition:all .2s ease;font-size:.9rem}.search-trigger:hover{border-color:var(--accent-primary);color:var(--text-primary);box-shadow:0 0 12px #6366f126}.shortcut-badge{margin-left:auto;background:#ffffff1a;padding:2px 8px;border-radius:4px;font-size:.75rem;font-family:var(--font-mono);color:var(--text-muted)}.header-actions{display:flex;align-items:center;gap:12px}.icon-btn{width:38px;height:38px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.icon-btn:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.btn-primary{height:38px;padding:0 16px;border-radius:var(--radius-md);border:none;background:var(--accent-gradient);color:#fff;font-weight:600;font-size:.88rem;display:flex;align-items:center;gap:8px;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease;box-shadow:0 4px 14px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #6366f166}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:100%;transition:margin-left .3s ease}.sidebar.closed{margin-left:calc(-1 * var(--sidebar-width))}.sidebar-header{padding:16px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.sidebar-search{padding:12px 16px}.input-search{width:100%;padding:8px 12px 8px 34px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem}.input-search:focus{outline:none;border-color:var(--accent-primary)}.sidebar-content{flex:1;overflow-y:auto;padding:12px}.tree-node{margin-bottom:2px}.tree-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:.88rem;color:var(--text-secondary);transition:background .15s ease,color .15s ease;-webkit-user-select:none;user-select:none}.tree-item:hover{background:#ffffff0d;color:var(--text-primary)}.tree-item.active{background:#6366f126;color:var(--accent-primary);font-weight:600;border-left:3px solid var(--accent-primary)}.tree-item .badge{margin-left:auto;background:#ffffff14;font-size:.72rem;padding:2px 6px;border-radius:10px;color:var(--text-muted)}.tree-children{padding-left:14px;margin-left:6px;border-left:1px dashed var(--border-color)}.main-view{flex:1;height:100%;overflow-y:auto;background:var(--bg-main);display:flex;flex-direction:column}.dashboard-container{padding:36px 48px;max-width:1200px;margin:0 auto;width:100%}.dashboard-hero{background:linear-gradient(135deg,#6366f11f,#06b6d414);border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-lg);padding:36px;margin-bottom:32px;position:relative;overflow:hidden}.dashboard-hero h1{font-size:2rem;font-weight:800;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.dashboard-hero p{color:var(--text-secondary);font-size:1.05rem;max-width:720px;line-height:1.6}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:36px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;display:flex;align-items:center;gap:16px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);background:#6366f11f;color:var(--accent-primary);display:flex;align-items:center;justify-content:center}.stat-val{font-size:1.6rem;font-weight:700}.stat-lbl{font-size:.82rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.section-title{font-size:1.25rem;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:40px}.category-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;cursor:pointer;transition:all .2s ease}.category-card:hover{transform:translateY(-2px);border-color:var(--accent-primary);box-shadow:0 8px 24px #0003}.category-card h3{font-size:1.05rem;margin-bottom:6px;text-transform:capitalize}.category-card p{font-size:.85rem;color:var(--text-muted)}.doc-layout{display:flex;flex:1;height:100%;overflow:hidden}.doc-wrapper{flex:1;padding:32px 48px;overflow-y:auto;max-width:960px}.doc-toc-sidebar{width:260px;padding:32px 24px;border-left:1px solid var(--border-color);overflow-y:auto;display:none}@media(min-width:1200px){.doc-toc-sidebar{display:block}}.toc-title{font-size:.82rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px;letter-spacing:.05em}.toc-list{list-style:none}.toc-item{font-size:.84rem;color:var(--text-secondary);padding:4px 0;cursor:pointer;transition:color .15s ease;line-height:1.4}.toc-item:hover{color:var(--accent-primary)}.toc-item.level-3{padding-left:12px}.doc-header-meta{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.breadcrumbs{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted);margin-bottom:12px}.breadcrumbs span.current{color:var(--accent-primary);font-weight:600}.doc-stats-bar{display:flex;align-items:center;gap:18px;font-size:.82rem;color:var(--text-muted)}.doc-actions-bar{display:flex;gap:10px;margin-left:auto}.markdown-body{line-height:1.7;font-size:1rem;color:var(--text-primary)}.markdown-body h1{font-size:2.2rem;font-weight:800;margin-bottom:20px;letter-spacing:-.02em;border-bottom:1px solid var(--border-color);padding-bottom:12px}.markdown-body h2{font-size:1.5rem;font-weight:700;margin:32px 0 16px;color:var(--text-primary)}.markdown-body h3{font-size:1.2rem;font-weight:600;margin:24px 0 12px}.markdown-body p{margin-bottom:16px;color:var(--text-secondary)}.markdown-body ul,.markdown-body ol{margin-bottom:16px;padding-left:24px;color:var(--text-secondary)}.markdown-body li{margin-bottom:6px}.markdown-body blockquote{border-left:4px solid var(--accent-primary);background:#6366f114;padding:14px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:20px 0;color:var(--text-secondary);font-style:italic}.markdown-body table{width:100%;border-collapse:collapse;margin:20px 0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-color)}.markdown-body th,.markdown-body td{padding:10px 14px;border:1px solid var(--border-color);text-align:left;font-size:.9rem}.markdown-body th{background:#ffffff0d;font-weight:600}.markdown-body pre{background:#090d16!important;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;overflow-x:auto;margin:20px 0}.markdown-body code{font-family:var(--font-mono);font-size:.88rem}.markdown-body p code{background:#ffffff14;padding:2px 6px;border-radius:4px;color:var(--accent-secondary)}.markdown-body a{color:var(--accent-primary);text-decoration:none;border-bottom:1px dashed var(--accent-primary)}.markdown-body a:hover{color:var(--accent-secondary);border-bottom-style:solid}.callout{padding:14px 18px;border-radius:var(--radius-md);margin:20px 0;border-left:4px solid;font-size:.94rem}.callout-note{background:#6366f11a;border-color:#6366f1}.callout-tip{background:#10b9811a;border-color:#10b981}.callout-important{background:#8b5cf61a;border-color:#8b5cf6}.callout-warning{background:#f59e0b1a;border-color:#f59e0b}.editor-container{display:flex;flex-direction:column;height:100%}.editor-toolbar{height:48px;background:var(--bg-sidebar);border-bottom:1px solid var(--border-color);display:flex;align-items:center;padding:0 16px;gap:8px}.toolbar-btn{padding:6px 10px;border-radius:var(--radius-sm);background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;font-size:.85rem;display:flex;align-items:center;gap:4px}.toolbar-btn:hover{background:var(--bg-input);color:var(--text-primary)}.editor-split{display:flex;flex:1;height:calc(100% - 48px)}.editor-pane{flex:1;height:100%;background:var(--bg-main);border-right:1px solid var(--border-color)}.editor-textarea{width:100%;height:100%;background:transparent;border:none;padding:24px;color:var(--text-primary);font-family:var(--font-mono);font-size:.95rem;line-height:1.6;resize:none;outline:none}.preview-pane{flex:1;height:100%;overflow-y:auto;padding:24px 36px;background:var(--bg-main)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:100;display:flex;justify-content:center;padding-top:10vh}.modal-search-box{width:90%;max-width:680px;background:var(--bg-sidebar);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:0 20px 50px #00000080;overflow:hidden;display:flex;flex-direction:column;max-height:70vh}.modal-search-input-wrap{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:12px}.modal-search-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:1.1rem;outline:none}.search-results-list{overflow-y:auto;padding:12px}.search-result-item{padding:12px 16px;border-radius:var(--radius-md);cursor:pointer;margin-bottom:6px;transition:background .15s ease}.search-result-item:hover,.search-result-item.selected{background:#6366f126}.search-result-title{font-weight:600;color:var(--text-primary);margin-bottom:4px}.search-result-snippet{font-size:.84rem;color:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .25s cubic-bezier(.16,1,.3,1) forwards}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}