:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--primary:#0f172a;--accent:#2563eb;--bg-app:#f1f5f9;--bg-card:#fff;--border:#e2e8f0;--text-main:#1e293b;--text-muted:#64748b;--font-ui:"Inter", sans-serif;--font-doc:"Georgia", serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-ui);background:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden}.app{flex-direction:column;height:100vh;display:flex}header{border-bottom:1px solid var(--border);background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 24px;display:flex}header h1{color:var(--primary);letter-spacing:-.02em;font-size:.9rem;font-weight:800}.layout{flex:1;display:flex;position:relative;overflow:hidden}.history-sidebar{background:var(--primary);z-index:110;flex-direction:column;flex-shrink:0;align-items:center;gap:20px;width:64px;padding:20px 0;display:flex}.history-icon-btn{color:#fff;cursor:pointer;background:#ffffff0d;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;transition:all .2s;display:flex}.history-icon-btn:hover{background:#ffffff26;transform:translateY(-1px)}.history-icon-btn.active{background:var(--accent);box-shadow:0 4px 12px #2563eb4d}.side-flyout{z-index:120;border-right:1px solid var(--border);background:#fff;flex-direction:column;width:320px;padding:24px;animation:.3s slideIn;display:flex;position:absolute;top:0;bottom:0;left:64px;box-shadow:20px 0 50px #00000026}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.flyout-overlay{z-index:100;background:0 0;position:fixed;inset:0}.main-panel{flex-direction:column;flex:1;display:flex;overflow:hidden}.search-compact{border-bottom:1px solid var(--border);background:#fff;align-items:center;gap:12px;padding:12px 24px;display:flex}.tab-switch{background:#f1f5f9;border-radius:8px;margin-right:8px;padding:3px;display:flex}.tab-switch button{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:6px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .2s}.tab-switch button.active{color:var(--accent);background:#fff;box-shadow:0 1px 3px #0000001a}.search-compact input{border:1px solid var(--border);color:#1e293b;background:#f8fafc;border-radius:8px;width:100%;padding:8px 14px;font-size:13px;transition:all .2s}.search-compact input:focus{border-color:var(--accent);background:#fff;outline:none;box-shadow:0 0 0 2px #2563eb1a}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 20px;font-size:13px;font-weight:700;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.metadata-strip{border-bottom:1px solid var(--border);background:#f8fafc;flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 24px;display:flex}.meta-box{flex-direction:column;display:flex;overflow:hidden}.meta-box label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1px;font-size:9px;font-weight:800}.meta-box span{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.viewport{flex:1;display:flex;overflow:hidden}.item-list{border-right:1px solid var(--border);background:#fff;width:320px;overflow-y:auto}.item-row{cursor:pointer;border-bottom:1px solid #f1f5f9;padding:12px 16px;transition:all .1s}.item-row:hover{background:#f8fafc}.item-row.selected{border-left:3px solid var(--accent);background:#eff6ff}.item-row .num{color:var(--text-muted);margin-bottom:2px;font-size:11px;font-weight:800}.item-row .title{font-size:13px;font-weight:600;line-height:1.3}.doc-viewer{background:#f1f5f9;flex:1;justify-content:center;padding:40px;display:flex;overflow-y:auto}.doc-paper{width:100%;max-width:850px;min-height:100%;font-family:var(--font-doc);color:#111;background:#fff;border-radius:4px;padding:60px 80px;font-size:1.1rem;line-height:1.8;box-shadow:0 4px 20px #0000000d}.doc-paper h2{font-family:var(--font-ui);border-bottom:2px solid #eee;margin-bottom:32px;padding-bottom:12px;font-size:1.5rem}.badge{text-transform:uppercase;border-radius:4px;margin-top:4px;margin-right:4px;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.badge-ext{color:#166534;background:#dcfce7}.badge-ref{color:#1e40af;background:#dbeafe}.badge-page{color:#854d0e;background:#fef9c3}.history-item-mini{cursor:pointer;border:1px solid #0000;border-radius:8px;margin-bottom:6px;padding:10px 14px;font-size:12px;transition:all .2s}.history-item-mini:hover{background:#f1f5f9;border-color:#e2e8f0}.history-item-mini.active{color:var(--accent);background:#eff6ff;border-color:#bfdbfe;font-weight:600}.clear-btn{color:#ef4444;cursor:pointer;background:#fff;border:1px solid #fee2e2;border-radius:6px;padding:8px;font-size:11px;font-weight:700}.clear-btn:hover{background:#fef2f2}.settings-content{color:var(--text-main);line-height:1.6}.settings-content h4{color:var(--primary);margin-bottom:12px;font-size:.9rem}.settings-content p{color:var(--text-muted);margin-bottom:16px;font-size:13px}