: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%}*{box-sizing:border-box;margin:0;padding:0}:root{--foreground:#1a1a1a;--muted-foreground:#6b7280;--accent:#3b82f6;--accent-bg:#eff6ff;--accent-border:#bfdbfe;--border:#e5e7eb;--card:#fff;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--input-bg:#fff;--textarea-bg:#fff;--header-bg:#fff}.dark{--foreground:#f3f4f6;--muted-foreground:#9ca3af;--accent:#60a5fa;--accent-bg:#1e3a5f;--accent-border:#3b82f6;--border:#374151;--card:#1f2937;--input-bg:#374151;--textarea-bg:#374151;--header-bg:#1f2937}body{color:var(--foreground);background:#f9fafb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;transition:background .2s,color .2s}.dark body{background:#111827}.app{flex-direction:column;max-width:800px;min-height:100vh;margin:0 auto;padding:24px 16px;display:flex}.header{text-align:center;background:var(--header-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:32px;padding:20px}.header-top{justify-content:space-between;align-items:center;display:flex}.header h1{color:var(--foreground);margin-bottom:4px;font-size:32px;font-weight:700}.subtitle{color:var(--muted-foreground);font-size:14px}.btn-dark-mode{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;padding:8px 12px;font-size:18px;transition:all .2s}.btn-dark-mode:hover{background:var(--accent-bg)}.main{flex:1}.input-section{background:var(--card);border:1px solid var(--border);border-radius:8px;margin-bottom:24px;padding:16px}.textarea{border:1px solid var(--border);resize:vertical;background:var(--textarea-bg);width:100%;color:var(--foreground);border-radius:6px;padding:12px;font-family:inherit;font-size:14px;transition:border-color .2s}.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.button-row{gap:8px;margin-top:12px;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#2563eb}.btn-secondary{color:var(--foreground);border-color:var(--border);background:#fff}.dark .btn-secondary{background:var(--card)}.btn-secondary:hover{background:#f9fafb}.dark .btn-secondary:hover{background:var(--border)}.btn-copy{color:var(--accent);border-color:var(--accent-border);background:#fff}.dark .btn-copy{background:var(--card)}.btn-copy:hover{background:var(--accent-bg)}.btn-bibtex{color:#8b5cf6;background:#fff;border-color:#c4b5fd}.dark .btn-bibtex{background:var(--card)}.btn-bibtex:hover{background:#f5f3ff}.dark .btn-bibtex:hover{background:#2d1b69}.btn-download{color:#10b981;background:#fff;border-color:#6ee7b7}.dark .btn-download{background:var(--card)}.btn-download:hover{background:#ecfdf5}.dark .btn-download:hover{background:#064e3b}.results-section{flex-direction:column;gap:12px;display:flex}.results-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:0 4px;display:flex}.results-count{color:var(--muted-foreground);font-size:14px}.action-buttons{flex-wrap:wrap;gap:8px;display:flex}.ref-card{background:var(--card);border:1px solid var(--border);border-radius:8px;gap:12px;padding:16px;transition:background .2s,border-color .2s;display:flex}.ref-card:hover{border-color:var(--accent)}.ref-type{background:var(--accent-bg);width:48px;height:48px;color:var(--accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.ref-content{flex:1;min-width:0}.ref-rendered{color:var(--foreground);margin-bottom:8px;font-size:14px;line-height:1.6}.ref-fixes{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.fix-tag{color:#92400e;background:#fef3c7;border-radius:4px;padding:2px 8px;font-size:12px}.dark .fix-tag{color:#fbbf24;background:#451a03}.ref-confirms{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.confirm-tag{color:#b45309;background:#fffbeb;border-radius:4px;padding:2px 8px;font-size:12px}.dark .confirm-tag{color:#fbbf24;background:#451a03}.ref-errors{flex-wrap:wrap;gap:6px;display:flex}.error-tag{color:#991b1b;background:#fee2e2;border-radius:4px;padding:2px 8px;font-size:12px}.dark .error-tag{color:#fca5a5;background:#450a0a}.file-upload{align-items:center;gap:12px;margin-top:12px;display:flex}.file-input{display:none}.file-label{color:var(--foreground);border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;padding:8px 16px;font-size:14px;transition:all .2s}.dark .file-label{background:var(--card)}.file-label:hover{border-color:var(--accent);background:#f9fafb}.dark .file-label:hover{background:var(--border)}.file-name{color:var(--muted-foreground);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:13px;overflow:hidden}.footer{text-align:center;color:var(--muted-foreground);border-top:1px solid var(--border);margin-top:32px;padding:24px;font-size:12px}.history-panel{background:var(--card);border:1px solid var(--border);border-radius:8px;max-height:300px;margin-bottom:24px;padding:16px;overflow-y:auto}.history-header{justify-content:space-between;align-items:center;margin-bottom:12px;font-weight:600;display:flex}.history-list{margin:0;padding:0;list-style:none}.history-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:8px 0;display:flex}.history-item:last-child{border-bottom:none}.history-text{color:var(--foreground);text-overflow:ellipsis;white-space:nowrap;max-width:70%;font-size:13px;overflow:hidden}.history-meta{color:var(--muted-foreground);flex-shrink:0;font-size:12px}.history-empty{text-align:center;color:var(--muted-foreground);padding:20px;font-size:14px}.btn-clear-history{color:var(--error);border:1px solid var(--error);cursor:pointer;background:0 0;border-radius:4px;padding:4px 12px;font-size:12px}.btn-clear-history:hover{background:#fee2e2}.dark .btn-clear-history:hover{background:#450a0a}.header-actions{gap:8px;display:flex}.btn-history,.btn-dark-mode{background:var(--card);border:1px solid var(--border);cursor:pointer;border-radius:8px;padding:8px 12px;font-size:14px;transition:all .2s}.btn-history:hover,.btn-dark-mode:hover{background:var(--accent-bg);border-color:var(--accent)}