:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px;line-height:1.6}.container{max-width:1200px;margin:0 auto;background:#fffffff2;border-radius:20px;box-shadow:0 20px 40px #0000001a;overflow:hidden}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;text-align:center}h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem}.subtitle{font-size:1.1rem;opacity:.9}.main-content{padding:2rem}.tabs{display:flex;margin-bottom:2rem;background:#f8f9fa;border-radius:12px;padding:4px}.tab{flex:1;padding:12px 24px;text-align:center;border:none;background:transparent;cursor:pointer;border-radius:8px;font-size:1rem;font-weight:500;transition:all .3s ease}.tab.active{background:#fff;color:#667eea;box-shadow:0 2px 8px #0000001a}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}input[type=text],input[type=file],textarea,select{width:100%;padding:12px 16px;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;transition:border-color .3s ease}input[type=text]:focus,textarea:focus,select:focus{outline:none;border-color:#667eea}textarea{resize:vertical;min-height:120px}.file-input-wrapper{position:relative;display:inline-block;width:100%}.file-input{opacity:0;position:absolute;z-index:-1;width:.1px;height:.1px}.file-input-label{display:block;padding:12px 16px;background:#f8f9fa;border:2px dashed #dee2e6;border-radius:8px;text-align:center;cursor:pointer;transition:all .3s ease}.file-input-label:hover{background:#e9ecef;border-color:#667eea}.btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:14px 32px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.result-container{margin-top:2rem}.result{padding:1rem;background:#f8f9fa;border-radius:8px;min-height:100px;display:flex;align-items:center;justify-content:center}.result img{max-width:100%;height:auto;border-radius:8px;box-shadow:0 4px 12px #0000001a}.error{color:#dc3545;background:#f8d7da;border:1px solid #f5c6cb;padding:1rem;border-radius:8px;margin-top:1rem}.success{color:#155724;background:#d4edda;border:1px solid #c3e6cb;padding:1rem;border-radius:8px;margin-top:1rem}@media(max-width:768px){.container{margin:10px;border-radius:12px}h1{font-size:2rem}.main-content{padding:1rem}}