:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{margin:0;padding:0;box-sizing:border-box}.App{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2)}.App-header{padding:2rem;text-align:center;color:#fff}.App-header h1{font-size:3rem;margin-bottom:.5rem}.subtitle{font-size:1.2rem;opacity:.9}.App-main{flex:1;max-width:900px;width:100%;margin:0 auto;padding:0 1rem 2rem}.input-section{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 4px 6px #0000001a;margin-bottom:2rem}.input-section h2{font-size:1.5rem;margin-bottom:1rem;color:#333}.query-input{width:100%;padding:1rem;font-size:1rem;border:2px solid #e0e0e0;border-radius:8px;resize:vertical;font-family:inherit;transition:border-color .3s}.query-input:focus{outline:none;border-color:#667eea}.model-selector{margin-top:1.5rem}.optional-label{display:block;color:#666;font-size:.9rem;margin-bottom:.5rem;font-weight:500}.model-select{width:100%;padding:.75rem;font-size:1rem;border:2px solid #e0e0e0;border-radius:8px;background-color:#fff;color:#333;cursor:pointer;transition:border-color .3s;font-family:inherit}.model-select:hover{border-color:#667eea}.model-select:focus{outline:none;border-color:#667eea}.model-select option{padding:.5rem}.model-select optgroup{font-weight:600;font-style:normal}.calculate-btn{margin-top:1rem;width:100%;padding:1rem;font-size:1.1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:transform .2s,box-shadow .2s}.calculate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.calculate-btn:disabled{opacity:.5;cursor:not-allowed}.results-section{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:#fff;border-radius:12px;padding:1.5rem;text-align:center;box-shadow:0 2px 4px #0000001a}.stat-value{font-size:2rem;font-weight:700;color:#667eea;margin-bottom:.5rem}.stat-label{font-size:.9rem;color:#666;text-transform:uppercase;letter-spacing:.5px}.equivalences-section{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 4px 6px #0000001a;margin-bottom:1.5rem}.equivalences-section h3{font-size:1.5rem;margin-bottom:1.5rem;color:#333}.equivalences-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}.equivalence-card{text-align:center;padding:1.5rem;background:#f8f9fa;border-radius:10px;transition:transform .2s,box-shadow .2s}.equivalence-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #0000001a}.equivalence-emoji{font-size:3rem;margin-bottom:.5rem}.equivalence-value{font-size:1.5rem;font-weight:700;color:#667eea;margin-bottom:.5rem}.equivalence-label{font-size:.9rem;color:#666}.info-box{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 4px #0000001a;border-left:4px solid #667eea}.info-box p{color:#555;line-height:1.6}.placeholder-section{background:#fff;border-radius:12px;padding:3rem;text-align:center;box-shadow:0 2px 4px #0000001a;color:#999;font-size:1.1rem}.App-footer{background:#0003;color:#fff;text-align:center;padding:1.5rem;margin-top:auto}.App-footer a{color:#fff;text-decoration:underline}@media(max-width:768px){.App-header h1{font-size:2rem}.subtitle{font-size:1rem}.input-section{padding:1.5rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.equivalences-grid{grid-template-columns:1fr}.stat-value{font-size:1.5rem}}