*{box-sizing:border-box;margin:0;padding:0}:root{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}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}#app,.app-container{min-height:100vh}img{max-width:100%;height:auto}button{font-family:inherit}@media(hover:none)and (pointer:coarse){button,label{-webkit-tap-highlight-color:transparent}}.model-compare{min-height:100vh;padding:16px;max-width:1200px;margin:0 auto;background:#1a1a2e;color:#fff}.header{text-align:center;padding:24px 0}.title{font-size:32px;font-weight:700;margin:0 0 8px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:14px;opacity:.7;margin:0}.content{display:flex;flex-direction:column;gap:24px}.section{background:#16213e;border-radius:12px;padding:20px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-title{font-size:16px;font-weight:600;margin:0 0 16px;color:#a0a0a0}.section-header .section-title{margin:0}.file-input{display:none}.upload-area{display:flex;align-items:center;justify-content:center;width:100%;height:200px;background:#0f3460;border:2px dashed #667eea;border-radius:12px;cursor:pointer;transition:all .2s;overflow:hidden}.upload-area:hover{background:#1a4a7a;border-color:#764ba2}.upload-placeholder{color:#667eea;font-size:16px}.preview-thumb{max-width:100%;max-height:100%;object-fit:contain}.toggle-btn{padding:6px 12px;background:#667eea;color:#fff;border:none;border-radius:6px;font-size:12px;cursor:pointer}.toggle-btn:hover{background:#5568d3}.prompt-editor{width:100%;padding:12px;background:#0f3460;border:1px solid #667eea;border-radius:8px;color:#fff;font-size:13px;font-family:monospace;resize:vertical;line-height:1.5}.prompt-preview{color:#888;font-size:13px;margin:0;font-style:italic}.model-grid{display:flex;flex-wrap:wrap;gap:8px}.model-chip{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 14px;background:#0f3460;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;min-width:100px}.model-chip:hover{background:#1a4a7a}.model-chip.selected{border-color:#667eea;background:#667eea33}.model-chip input{display:none}.model-name{font-size:12px;font-weight:600;color:#fff;text-align:center}.model-cost{font-size:10px;color:#888}.generate-btn{width:100%;padding:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.generate-btn:disabled{opacity:.5;cursor:not-allowed}.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.result-card{background:#0f3460;border-radius:12px;overflow:hidden}.result-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#0003}.result-model{font-size:14px;font-weight:600}.result-duration{font-size:12px;color:#888}.result-image-container{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#0a1628}.result-loading{display:flex;flex-direction:column;align-items:center;gap:12px;color:#888}.spinner{width:32px;height:32px;border:3px solid rgba(102,126,234,.3);border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-error{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px;text-align:center}.error-icon{font-size:32px}.error-text{font-size:12px;color:#e74c3c;word-break:break-word}.result-image{width:100%;height:100%;object-fit:contain}.result-footer{padding:12px 16px;background:#0003}.result-cost{font-size:12px;color:#888}.reset-btn{width:100%;padding:14px;background:transparent;color:#888;border:1px solid #333;border-radius:12px;font-size:14px;cursor:pointer;transition:all .2s}.reset-btn:hover{background:#ffffff0d;color:#fff;border-color:#667eea}@media(max-width:600px){.model-chip{min-width:80px;padding:8px 10px}.model-name{font-size:11px}.results-grid{grid-template-columns:1fr}}