body{margin:0;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}#root{width:100%;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--text-primary: #f9fafb;--text-secondary: #d1d5db;--bg-primary: #1f2937;--bg-secondary: #111827;--bg-tertiary: #374151;--border-color: #374151;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .3), 0 1px 2px 0 rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -2px rgba(0, 0, 0, .3)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#1e293b,#0f172a);min-height:100vh;padding:2rem 1rem;color:var(--text-primary)}.container{max-width:900px;margin:0 auto;background:var(--bg-primary);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden}header{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;padding:2rem;text-align:center}header h1{font-size:2rem;margin-bottom:.5rem;font-weight:700}.subtitle{font-size:1rem;opacity:.9}main{padding:2rem}.answer-section{margin-bottom:2rem}.section-header{margin-bottom:1rem}.section-header h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:.25rem}.description{color:var(--text-secondary);font-size:.875rem}textarea{width:100%;padding:1rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;font-family:inherit;resize:vertical;transition:border-color .2s,box-shadow .2s;background:var(--bg-secondary);color:var(--text-primary)}textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f64d}.voice-controls{display:flex;gap:1rem;align-items:center;margin-top:1rem;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff;width:100%;justify-content:center;padding:1rem 2rem;font-size:1.125rem}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-record{background:var(--danger-color);color:#fff}.btn-record:hover:not(:disabled){background:#dc2626}.btn-record.recording{animation:pulse 1.5s infinite}.btn-stop{background:var(--text-secondary);color:#fff}.btn-stop:hover:not(:disabled){background:#4b5563}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.recording-status{color:var(--danger-color);font-weight:600;font-size:.875rem}.action-section{margin:2rem 0}.loading-indicator{text-align:center;padding:2rem}.spinner{width:50px;height:50px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.results-section{background:var(--bg-tertiary);border-radius:12px;padding:2rem;margin-top:2rem;border:2px solid var(--border-color)}.results-content{display:flex;flex-direction:column;gap:2rem}.grade-display{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:2rem;background:var(--bg-secondary);border-radius:12px;box-shadow:var(--shadow)}.grade-label{font-size:1.25rem;color:var(--text-secondary);font-weight:600}.grade-value{font-size:4rem;font-weight:700;color:var(--primary-color)}.grade-value.high{color:var(--success-color)}.grade-value.medium{color:var(--warning-color)}.grade-value.low{color:var(--danger-color)}.grade-max{font-size:1.5rem;color:var(--text-secondary);font-weight:600}.reasoning-section{background:var(--bg-secondary);padding:1.5rem;border-radius:12px;box-shadow:var(--shadow)}.reasoning-section h3{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.reasoning-text{color:var(--text-secondary);line-height:1.6;font-size:1rem}.error-display{background:#ef44441a;border:2px solid var(--danger-color);color:#fca5a5;padding:1rem;border-radius:8px;margin-top:1rem}footer{background:var(--bg-tertiary);padding:1.5rem;text-align:center;color:var(--text-secondary);font-size:.875rem;border-top:1px solid var(--border-color)}@media (max-width: 640px){body{padding:1rem .5rem}header h1{font-size:1.5rem}main{padding:1.5rem}.section-header h2{font-size:1.25rem}.grade-value{font-size:3rem}.voice-controls{flex-direction:column;align-items:stretch}.btn{width:100%;justify-content:center}}