:root{--bg-page:#fcfcfc;--text-main:#1a1a1a;--text-muted:#5e5e5e;--border-color:#d4d4d4;--surface-code:#f3f3f3;--accent:#c2410c;--accent-hover:#9a3412;--font-display:"Playfair Display", "Georgia", serif;--font-ui:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-ui);background-color:var(--bg-page);color:var(--text-main);padding:3rem 1.5rem;line-height:1.5}.layout-grid{gap:3rem;max-width:900px;margin:0 auto;display:grid}header h1{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:.5rem;font-size:2.5rem;font-weight:600}header p{color:var(--text-muted);max-width:500px;font-size:1.1rem}.upload-section{border:1px solid var(--border-color);align-items:center;gap:1rem;padding:1.5rem;display:flex}input[type=file]{font-family:var(--font-ui);color:var(--text-muted);font-size:.9rem}.upload-section{border:2px dashed var(--border-color);background-color:var(--bg-page);text-align:center;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;padding:3rem 2rem;transition:all .2s ease-in-out;display:flex}.upload-section.dragging{border-color:var(--accent);background-color:#c2410c0a;transform:scale(1.02)}.drag-drop-text{font-family:var(--font-ui);color:var(--text-muted);font-size:1.1rem}.file-selected{color:var(--text-main)}input[type=file]{font-family:var(--font-ui);color:var(--text-muted);cursor:pointer;font-size:.95rem}button{background-color:var(--text-main);color:var(--bg-page);font-family:var(--font-ui);cursor:pointer;border:none;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:.9rem;font-weight:500;transition:background-color .15s;display:inline-flex}button:active{transform:translateY(2px)}button.primary{background-color:var(--accent)}button.primary:hover:not(:disabled){background-color:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}.shortcut-hint{color:var(--text-muted);font-size:.75rem;font-family:var(--font-ui);margin-left:.5rem}.toolbar{gap:.5rem;margin-bottom:1rem;display:flex}pre{background:var(--surface-code);color:var(--text-main);font-family:var(--font-mono);white-space:pre-wrap;word-wrap:break-word;border:1px solid var(--border-color);padding:1.5rem;font-size:.85rem;overflow-x:auto}svg.icon{width:16px;height:16px}.result-section{border-top:2px solid var(--text-main);padding-top:2rem}.result-section h2{font-family:var(--font-display);margin-bottom:1rem;font-size:1.5rem}.loading-text{color:var(--text-muted);margin-top:1rem;font-size:.9rem}.preview-container{grid-template-columns:1fr 1fr;align-items:start;gap:2rem;display:grid}.rendered-markdown{background:var(--surface-code);border:1px solid var(--border-color);border-radius:6px;padding:2.5rem;box-shadow:0 4px 24px #00000005}.preview-title{font-family:var(--font-display);border-bottom:1px solid var(--border-color);margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.1rem;font-weight:500}.markdown-body h1,.markdown-body h2,.markdown-body h3{font-family:var(--font-display);color:var(--text-main);margin-top:1.5rem;margin-bottom:1rem;font-weight:500}.markdown-body h1{font-size:1.8rem}.markdown-body h2{font-size:1.5rem}.markdown-body p{margin-bottom:1rem;line-height:1.7}.markdown-body ul,.markdown-body ol{margin-bottom:1rem;margin-left:1.5rem}.markdown-body li{margin-bottom:.25rem}.markdown-body code{background-color:var(--bg-page);font-family:var(--font-mono);border-radius:4px;padding:.2rem .4rem;font-size:.85em}@media (width<=768px){body{padding:1.5rem 1rem}.layout-grid{gap:1.5rem}header h1{font-size:1.8rem}.preview-container{grid-template-columns:1fr;gap:1.5rem}.toolbar{flex-direction:column}.toolbar button{justify-content:center;width:100%}.upload-section{padding:2rem 1rem}}.error-banner{color:#9b2c2c;font-family:var(--font-ui);background-color:#fdf2f2;border:1px solid #f8b4b4;border-radius:6px;justify-content:space-between;align-items:center;margin-top:1.5rem;padding:1rem 1.25rem;font-size:.9rem;animation:.2s ease-in-out fadeIn;display:flex}.error-close{color:#9b2c2c;cursor:pointer;background:0 0;border:none;padding:0;font-size:1.25rem;line-height:1}.error-close:hover{opacity:.7}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.progress-wrapper{text-align:left;width:100%;max-width:500px;margin-top:1.5rem;margin-left:auto;margin-right:auto}.progress-text{font-family:var(--font-ui);color:var(--text-muted);justify-content:space-between;margin-bottom:.5rem;font-size:.9rem;display:flex}.progress-container{background-color:var(--border-color);border-radius:4px;width:100%;height:8px;overflow:hidden}.progress-bar{background-color:var(--accent);height:100%;transition:width .3s}.header-badges{flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:1rem;display:flex}.header-badges .privacy-badge{margin-top:0}.privacy-badge{color:#166534;background-color:#f0fdf4;border:1px solid #bbf7d0;border-radius:20px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.8rem;font-weight:500;display:inline-flex}.limit-badge{color:#92400e;background-color:#fffbeb;border:1px solid #fde68a;border-radius:20px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.8rem;font-weight:500;display:inline-flex}.limit-badge svg{stroke:#b45309;flex-shrink:0}.llm-toggle{color:var(--text-main);cursor:pointer;align-items:center;gap:.5rem;margin-top:1rem;font-size:.9rem;display:flex}.llm-toggle input{accent-color:var(--accent);cursor:pointer;width:16px;height:16px}.file-chip-container{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.5rem;display:flex}.file-chip{background-color:var(--surface-code);border:1px solid var(--border-color);color:var(--text-main);border-radius:6px;align-items:center;gap:.5rem;padding:.3rem .6rem;font-size:.8rem;transition:all .15s ease-in-out;display:flex}.file-chip.near-limit{background-color:#fffdf5;border-color:#fde68a}.file-size-tag{font-family:var(--font-mono);white-space:nowrap;border-radius:4px;padding:.15rem .4rem;font-size:.72rem;line-height:1.2}.file-size-tag.warning{color:#92400e;background-color:#fef3c7;border:1px solid #fde68a;font-weight:600}.file-chip button{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;padding:0;transition:color .2s;display:flex}.file-chip button:hover{color:#9b2c2c}.server-status{border:1px solid var(--border-color);background-color:var(--surface-code);color:var(--text-muted);border-radius:20px;align-items:center;gap:.5rem;padding:.4rem .8rem;font-size:.8rem;font-weight:500;display:inline-flex}.server-status .status-dot{background-color:#a3a3a3;border-radius:50%;flex-shrink:0;width:8px;height:8px}.server-status.online{color:#166534;background-color:#f0fdf4;border-color:#bbf7d0}.server-status.online .status-dot{background-color:#22c55e}.server-status.offline{color:#9b2c2c;background-color:#fdf2f2;border-color:#feb2b2}.server-status.offline .status-dot{background-color:#ef4444}.server-status.checking .status-dot{animation:1s ease-in-out infinite statusPulse}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.25}}.server-offline-banner{color:#92400e;background-color:#fffbeb;border:1px solid #fde68a;border-radius:6px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding:1rem 1.25rem;font-size:.9rem;animation:.2s ease-in-out fadeIn;display:flex}.server-offline-text{flex-direction:column;gap:.4rem;min-width:240px;display:flex}.server-offline-text p{margin:0}.server-offline-text code{font-family:var(--font-mono);word-break:break-word;background-color:#92400e14;border-radius:4px;align-self:flex-start;padding:.2rem .45rem;font-size:.8rem}.server-offline-hint{opacity:.85;font-size:.78rem}.server-offline-hint code{background:0 0;padding:0}.retry-button{color:#fff;white-space:nowrap;background-color:#92400e}.retry-button:hover{background-color:#78350f}@media (width<=768px){.server-offline-banner{flex-direction:column;align-items:flex-start}.retry-button{justify-content:center;width:100%}}