/* Модальное окно */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    padding: 20px;
}

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

.modal-content {
    background: #fff;
    border-radius: 15px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px 20px;
    border-bottom: 1px solid #eee;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: #f5f5f5;
    color: #333;
}

/* Форма */
.contact-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 0.85rem;
}

/* Чекбокс */
.checkbox-group {
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-weight: bold;
    font-size: 12px;
}

/* Кнопки */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    position: relative;
    z-index: 1;
}

.form-actions .btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    position: relative;
    text-transform: none;
    letter-spacing: normal;
    margin: 0;
    float: none;
    clear: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: #f8f9fa;
    color: #666;
    border: 2px solid #e1e5e9;
}

.btn-secondary:hover {
    background: #e9ecef;
    border-color: #dee2e6;
}

/* Состояние загрузки */
.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-loading {
    display: inline;
}

/* Успешная отправка */
.form-success {
    text-align: center;
    padding: 40px 30px;
}

.form-success h3 {
    color: #28a745;
    margin-bottom: 15px;
}

.form-success p {
    color: #666;
    margin-bottom: 0;
}

/* Ошибки */
.form-error {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
}

.form-group.error .form-error {
    display: block;
}

/* Адаптивность */
@media (max-width: 768px) {
    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 20px 20px 15px;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
    
    .contact-form {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 10px;
    }
    
    .modal-content {
        border-radius: 10px;
    }
    
    .modal-header {
        padding: 15px 15px 10px;
    }
    
    .contact-form {
        padding: 15px;
    }
}