.register-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border: none;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.register-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 2rem;
    text-align: center;
}

.card-header h3 {
    margin: 0;
    font-weight: 700;
    font-size: 2rem;
}

.card-body {
    padding: 2.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 12px 15px 12px 45px;
    font-size: 1rem;
    transition: all 0.3s ease;
    height: 50px;
}

.form-control:focus {
    border-color: #cb66ea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-control.is-valid {
    border-color: #28a745;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.form-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 1.2rem;
    z-index: 5;
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: -0.0rem;
}

.btn-register {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    height: 50px;
    width: 100%;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.info-box {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: none;
    border-radius: 12px;
    color: white;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.info-box i {
    font-size: 1.5rem;
    margin-right: 10px;
}

.login-link {
    text-align: center;
    margin-top: 1.5rem;
    color: #6c757d;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.login-link a:hover {
    color: #764ba2;
}

.password-requirements {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.requirement {
    display: flex;
    align-items: center;
    margin-bottom: 0.3rem;
    color: #6c757d;
}

.requirement.valid {
    color: #28a745;
}

.requirement.invalid {
    color: #dc3545;
}

.requirement i {
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

/* Анимации */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.register-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Адаптивность */
@media (max-width: 768px) {
    
    .card-body {
        padding: 1.5rem;
    }
    
    .card-header {
        padding: 1.5rem;
    }
    
    .card-header h3 {
        font-size: 1.5rem;
    }
}