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-webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#fff}.app{max-width:1200px;margin:0 auto;padding:20px}.header{text-align:center;padding:30px 0}.header h1{font-size:2.5rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.header p{color:#888;font-size:1.1rem}.controls{display:flex;gap:16px;align-items:flex-end;justify-content:center;flex-wrap:wrap;margin-bottom:16px;padding:20px;background:#ffffff0d;border-radius:12px}.control-group{display:flex;flex-direction:column;gap:6px}.control-group label{font-size:.85rem;color:#aaa}.control-group input[type=number],.control-group 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dashed #444;border-radius:12px;color:#888;transition:all .2s ease}.add-more:hover{border-color:#667eea;color:#667eea}.add-more svg{width:40px;height:40px;margin-bottom:8px}.add-more span{font-size:.9rem}.actions{display:flex;gap:16px;justify-content:center}.clear-btn{background:transparent;border:2px solid #e74c3c;color:#e74c3c}.clear-btn:hover{background:#e74c3c;color:#fff}.download-btn{background:linear-gradient(135deg,#27ae60,#2ecc71);color:#fff;min-width:200px}.download-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 15px #27ae6066}.download-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:768px){.controls{flex-direction:column;align-items:stretch}.control-group input[type=number],.control-group 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