/* 登录页面样式 */

.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.login-card {
    border: none;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.login-card .card-body {
    padding: 2.5rem;
}

.login-card .card-title {
    color: #495057;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.login-card .text-muted {
    color: #6c757d !important;
    font-size: 0.9rem;
}

.login-card .form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
}

.login-card .input-group-text {
    background-color: #f8f9fa;
    border-color: #ced4da;
    color: #6c757d;
}

.login-card .form-control {
    border-left: none;
    padding: 0.75rem;
}

.login-card .form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.login-card .btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border: none;
    padding: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-card .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.login-card .alert {
    border-radius: 8px;
    border: none;
    padding: 0.75rem 1rem;
}

/* 响应式设计 */
@media (max-width: 576px) {
    .login-card .card-body {
        padding: 2rem 1.5rem;
    }
    
    .login-card .fa-3x {
        font-size: 2.5em;
    }
}

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

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