/* Стили для форм - Modern High-Tech */

/* Registration Section */
.registration-section {
    padding: var(--spacing-4xl) 0;
    background: transparent;
    min-height: calc(100vh - 200px);
    position: relative;
}

.registration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

/* Registration Info */
.registration-info h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out;
}

.registration-subtitle {
    font-size: var(--font-size-xl);
    color: #ffffff !important;
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.benefits-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.benefits-list li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-base);
    color: #ffffff !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.benefits-list li::before {
    content: '✅';
    font-size: var(--font-size-lg);
}

/* Promo Preview - Glassmorphism */
.promo-preview {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: slideInRight 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.promo-preview::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: rotateGlow 10s linear infinite;
}

@keyframes rotateGlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.promo-preview h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.promo-code {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.promo-code span {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: 2px;
    box-shadow: var(--shadow-glow);
}

.promo-description {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Registration Form - Modern Glassmorphism */
.registration-form-container {
    background: #ffffff;
    border: 1px solid var(--gray-200);
    padding: var(--spacing-xl);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
    animation: slideInLeft 0.8s ease-out;
}

.registration-form h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Form Groups - Premium Inputs */
.form-group {
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.15s; }
.form-group:nth-child(3) { animation-delay: 0.2s; }
.form-group:nth-child(4) { animation-delay: 0.25s; }
.form-group:nth-child(5) { animation-delay: 0.3s; }

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-base);
    background: #ffffff;
    color: var(--gray-900);
}

/* Фикс для автозаполнения браузера */
.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus,
.form-group input:-webkit-autofill:active {
    -webkit-text-fill-color: var(--gray-900) !important;
    -webkit-box-shadow: 0 0 0 50px #ffffff inset !important;
    box-shadow: 0 0 0 50px #ffffff inset !important;
    background-clip: content-box !important;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: #ffffff;
    transform: translateY(-2px);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.3);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--gray-800);
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    margin-top: 2px;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* Login Link */
.login-link {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--gray-200);
}

.login-link p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.login-link a:hover {
    text-decoration: underline;
}

/* Success Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-xl);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: #ffffff;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.close-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-content {
    padding: var(--spacing-2xl);
}

.success-content {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.success-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
}

.success-content h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.success-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.promo-section {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.promo-section h5 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.promo-code-large {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.promo-code-large span {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: 2px;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Login Section - Modern Design */
.login-section {
    padding: var(--spacing-4xl) 0;
    background: transparent;
    min-height: calc(100vh - 200px);
    position: relative;
}

.login-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

/* Login Info */
.login-info h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out;
}

.login-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-300);
    margin-bottom: var(--spacing-3xl);
    line-height: 1.7;
}

.login-benefits {
    margin-bottom: var(--spacing-2xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: var(--font-size-2xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-glow);
}

.benefit-text {
    font-size: var(--font-size-base);
    color: var(--white);
    font-weight: 600;
}

.login-stats {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: flex-start;
}

.login-stats .stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.login-stats .stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.login-stats .stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-stats .stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    font-weight: 600;
}

/* Login Form - Glassmorphism */
.login-form-container {
    background: var(--glass-bg-light);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
    animation: slideInRight 0.8s ease-out;
}

.login-form h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

.login-divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-200);
}

.login-divider span {
    background: var(--white);
    padding: 0 var(--spacing-md);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.social-icon {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

/* Специфичные стили для социальных кнопок */
.social-btn[onclick*="google"] {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    color: white;
}

.social-btn[onclick*="google"]:hover {
    background: linear-gradient(135deg, #3367d6 0%, #2d8f47 100%);
}

.social-btn[onclick*="yandex"] {
    background: linear-gradient(135deg, #ff0000 0%, #ffcc00 100%);
    color: white;
}

.social-btn[onclick*="yandex"]:hover {
    background: linear-gradient(135deg, #cc0000 0%, #e6b800 100%);
}

.social-btn[onclick*="mailru"] {
    background: linear-gradient(135deg, #005ff9 0%, #00a4ef 100%);
    color: white;
}

.social-btn[onclick*="mailru"]:hover {
    background: linear-gradient(135deg, #004cc7 0%, #0083c7 100%);
}

.register-link {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.register-link p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.register-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.register-link a:hover {
    text-decoration: underline;
}

/* Field Errors */
.field-error {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.field-error::before {
    content: '⚠️';
    font-size: var(--font-size-sm);
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .registration-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .registration-info h1 {
        font-size: var(--font-size-3xl);
    }
    
    .registration-form-container {
        padding: var(--spacing-xl);
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .promo-code {
        flex-direction: column;
        align-items: stretch;
    }
    
    .promo-code button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .registration-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .registration-info h1 {
        font-size: var(--font-size-2xl);
    }
    
    .registration-form-container {
        padding: var(--spacing-lg);
    }
    
    .promo-preview {
        padding: var(--spacing-lg);
    }
    
    /* Login responsive */
    .login-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .login-info h1 {
        font-size: var(--font-size-2xl);
    }
    
    .login-form-container {
        padding: var(--spacing-lg);
    }
    
    .login-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .form-options {
        flex-direction: column;
        align-items: stretch;
    }
}