*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f0f2f5;color:#1a1a2e}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{padding:12px 24px;background:#1a1a2e;color:#fff;flex-shrink:0}.app-header h1{font-size:1.1rem;font-weight:600;letter-spacing:.02em}.app-main{display:grid;grid-template-columns:340px 1fr;gap:12px;padding:12px;flex:1;overflow:hidden}.col-left{display:flex;flex-direction:column;gap:12px;overflow-y:auto;min-height:0}.col-right{display:flex;flex-direction:column;min-height:0}.resize-handle{flex:0 0 12px;display:flex;align-items:center;justify-content:center;cursor:row-resize;-webkit-user-select:none;user-select:none}.resize-handle:hover .resize-grip,.resize-handle:active .resize-grip{background:#6366f1}.resize-grip{width:40px;height:4px;border-radius:2px;background:#d1d5db;transition:background .15s}.card{background:#fff;border-radius:10px;padding:16px;box-shadow:0 1px 4px #00000014;display:flex;flex-direction:column;gap:10px;min-height:0}.card-grow{flex:1}.card-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.card-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#6b7280;cursor:pointer;-webkit-user-select:none;user-select:none}.card-title:hover{color:#6366f1}.dock-btn{width:24px;height:24px;border:1px solid #e5e7eb;border-radius:5px;background:transparent;cursor:pointer;font-size:.85rem;display:flex;align-items:center;justify-content:center;color:#6b7280;transition:background .15s,color .15s;flex-shrink:0}.dock-btn:hover{background:#f3f4f6;color:#6366f1}.field-label{font-size:.8rem;font-weight:500;color:#374151}.file-input{font-size:.8rem;color:#374151}.text-input{padding:7px 10px;border:1px solid #d1d5db;border-radius:6px;font-size:.85rem;outline:none;transition:border-color .15s}.text-input:focus{border-color:#6366f1}.transcription-area{flex:1;min-height:160px;padding:10px;border:1px solid #d1d5db;border-radius:6px;font-size:.78rem;font-family:Courier New,monospace;resize:none;outline:none;line-height:1.5;color:#374151;transition:border-color .15s}.transcription-area:focus{border-color:#6366f1}.btn{padding:9px 16px;border:none;border-radius:6px;font-size:.85rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:opacity .15s,background .15s;flex-shrink:0}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:#6366f1;color:#fff}.btn-primary:not(:disabled):hover{background:#4f46e5}.btn-secondary{background:#0ea5e9;color:#fff}.btn-secondary:not(:disabled):hover{background:#0284c7}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{font-size:.78rem;color:#dc2626;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;padding:8px 10px}.markdown-viewer{flex:1;overflow-y:auto;font-size:.85rem;line-height:1.7;color:#1f2937;min-height:0}.markdown-viewer h1,.markdown-viewer h2,.markdown-viewer h3{margin-top:1em;margin-bottom:.3em;font-weight:700;color:#111827}.markdown-viewer h1{font-size:1.1rem}.markdown-viewer h2{font-size:1rem}.markdown-viewer h3{font-size:.9rem}.markdown-viewer p{margin-bottom:.6em}.markdown-viewer ul,.markdown-viewer ol{padding-left:1.4em;margin-bottom:.6em}.markdown-viewer li{margin-bottom:.2em}.markdown-viewer strong{font-weight:700}.markdown-viewer blockquote{border-left:3px solid #d1d5db;padding-left:.8em;color:#6b7280;font-style:italic}.markdown-viewer code{background:#f3f4f6;padding:1px 4px;border-radius:3px;font-size:.8em}.mermaid-viewer{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.mermaid-zoom-wrapper{display:flex;flex-direction:column;flex:1;min-height:0}.mermaid-toolbar{display:flex;align-items:center;gap:4px;padding:4px 0 6px;flex-shrink:0}.zoom-btn{width:28px;height:28px;border:1px solid #d1d5db;border-radius:5px;background:#f9fafb;cursor:pointer;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .1s}.zoom-btn:hover{background:#e5e7eb}.zoom-label{font-size:.75rem;color:#6b7280;margin-left:4px;min-width:36px}.mermaid-canvas{flex:1;overflow:hidden;cursor:grab;display:flex;align-items:center;justify-content:center;min-height:0;border:1px solid #f3f4f6;border-radius:6px;background:#fafafa}.mermaid-canvas:active{cursor:grabbing}.mermaid-output{transition:transform .05s linear}.mermaid-output svg{max-width:100%;height:auto;display:block}.placeholder{color:#9ca3af;font-size:.82rem;font-style:italic}