/* 认证页面样式 */
.auth-container {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.auth-card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 10px;
}

.auth-card .card-header {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    border-radius: 10px 10px 0 0;
    border: none;
}

.auth-card .card-header h4 {
    margin: 0;
    font-weight: 500;
}

.auth-card .card-body {
    padding: 2rem;
}

/* 表单样式 */
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
    padding: 0.75rem;
    font-weight: 500;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-1px);
}

/* 链接样式 */
.auth-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 576px) {
    .auth-card .card-body {
        padding: 1.5rem;
    }
}