.app{min-height:100vh;padding:2rem 1rem}.container{max-width:800px;margin:0 auto;background:var(--bg-color);padding:2rem;border-radius:12px;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}h1{font-size:2rem;font-weight:700;margin-bottom:.5rem;color:var(--text-color)}.subtitle{color:var(--text-muted);margin-bottom:2rem;font-size:1rem}.upload-form{margin-bottom:3rem}.form-group{margin-bottom:1.5rem}label{display:block;font-weight:600;margin-bottom:.5rem;color:var(--text-color)}.required{color:var(--danger-color)}.optional{color:var(--text-muted);font-weight:400;font-size:.875rem}input[type=file],input[type=text]{width:100%;padding:.75rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;transition:border-color .2s}input[type=file]:hover,input[type=text]:hover{border-color:var(--primary-color)}input[type=file]:focus,input[type=text]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}input:disabled{background-color:var(--bg-secondary);cursor:not-allowed;opacity:.6}.file-info{margin-top:.5rem;padding:.5rem;background-color:var(--bg-secondary);border-radius:6px;font-size:.875rem;color:var(--text-muted)}.help-text{margin-top:.5rem;font-size:.875rem;color:var(--text-muted)}.error-message{padding:1rem;background-color:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:var(--danger-color);margin-bottom:1rem}.submit-button{width:100%;padding:1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.submit-button:hover:not(:disabled){background-color:var(--primary-hover)}.submit-button:disabled{background-color:var(--text-muted);cursor:not-allowed}.info-section{border-top:2px solid var(--border-color);padding-top:2rem}.info-section h2{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:var(--text-color)}.info-section ol,.info-section ul{margin-left:1.5rem;margin-bottom:2rem}.info-section li{margin-bottom:.5rem;color:var(--text-muted)}.info-section li strong{color:var(--text-color)}.results-section{margin-top:2rem}.results-header{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:1.5rem;border-radius:12px;margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.results-header h2{margin:0;font-size:1.5rem;font-weight:600}.button-group{display:flex;gap:1rem;flex-wrap:wrap}.download-button,.reset-button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.download-button{background:#fff;color:#059669}.download-button:hover{background:#f0fdf4;transform:translateY(-1px);box-shadow:0 4px 6px #0000001a}.reset-button{background:#fff3;color:#fff;border:2px solid white}.reset-button:hover{background:#ffffff4d}.results-content{display:flex;flex-direction:column;gap:2rem}.result-box{background:var(--bg-color);border:2px solid var(--border-color);border-radius:12px;padding:1.5rem}.result-box h3{margin:0 0 1rem;font-size:1.25rem;color:var(--text-color)}.transcript-box{width:100%;max-height:400px;overflow-y:auto;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;font-family:Courier New,monospace;font-size:.875rem;line-height:1.6;white-space:pre-wrap;word-wrap:break-word;margin:0}.diffs-box{max-height:400px;overflow-y:auto;display:flex;flex-direction:column;gap:1rem}.diff-item{padding:1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px}.diff-timestamp{font-family:Courier New,monospace;font-size:.75rem;color:var(--text-muted);margin-bottom:.5rem}.diff-old,.diff-new{font-family:Courier New,monospace;font-size:.875rem;padding:.5rem;border-radius:4px;margin:.25rem 0}.diff-old{background:#fee2e2;color:#991b1b}.diff-new{background:#d1fae5;color:#065f46}.diff-reason{font-size:.8rem;color:#64748b;font-style:italic;margin-top:.5rem;padding:.5rem;background:#f8fafc;border-left:3px solid #3b82f6;border-radius:4px}.transcript-box::-webkit-scrollbar,.diffs-box::-webkit-scrollbar{width:8px}.transcript-box::-webkit-scrollbar-track,.diffs-box::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}.transcript-box::-webkit-scrollbar-thumb,.diffs-box::-webkit-scrollbar-thumb{background:#888;border-radius:4px}.transcript-box::-webkit-scrollbar-thumb:hover,.diffs-box::-webkit-scrollbar-thumb:hover{background:#555}@media (max-width: 640px){.container{padding:1.5rem}h1{font-size:1.5rem}.results-header{flex-direction:column;align-items:stretch}.button-group{flex-direction:column}.download-button,.reset-button{width:100%}}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--danger-color: #dc2626;--border-color: #e5e7eb;--text-color: #1f2937;--text-muted: #6b7280;--bg-color: #ffffff;--bg-secondary: #f9fafb}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text-color);line-height:1.6}#root{min-height:100vh}