* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    padding: 40px 30px;
    text-align: center;
    color: white;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 2.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

.form-container {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #2d3748;
    font-size: 1rem;
}

.icon {
    font-size: 1.2rem;
}

input[type="text"] {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

input[type="text"]:focus {
    outline: none;
    border-color: #4facfe;
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
    padding: 12px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.3s ease;
    flex: 1;
    justify-content: center;
}

.radio-label:hover {
    border-color: #4facfe;
    background: rgba(79, 172, 254, 0.05);
}

input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e0;
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

input[type="radio"]:checked + .radio-custom {
    border-color: #4facfe;
    background: #4facfe;
}

input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

input[type="radio"]:checked ~ * {
    color: #4facfe;
}

/* Стили для загрузки файлов убраны */

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 172, 254, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.submit-btn.loading .btn-text {
    opacity: 0.7;
}

.submit-btn.loading .btn-loader {
    display: inline-block;
}

.success-message {
    display: none;
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.success-message.show {
    display: block;
    animation: slideUp 0.6s ease-out;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer {
    padding: 20px 30px;
    text-align: center;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.footer p {
    color: #718096;
    font-size: 0.9rem;
}

/* Адаптивность */
@media (max-width: 640px) {
    body {
        padding: 10px;
    }
    
    .container {
        border-radius: 15px;
    }
    
    .header {
        padding: 30px 20px;
    }
    
    .header h1 {
        font-size: 1.7rem;
    }
    
    .form-container {
        padding: 30px 20px;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .file-upload-design {
        padding: 20px;
    }
}

/* Анимация загрузки формы */
.form-group {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}