/* 登录 / 注册共用卡片样式（从 Login.razor 内联 style 提取，两页共用） */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.login-header {
    padding: 32px 32px 16px;
    text-align: center;
}

.login-header h3 {
    margin: 0 0 8px;
    font-weight: 600;
    color: #333;
}

.login-body {
    padding: 16px 32px 24px;
}

.login-footer {
    padding: 16px 32px 24px;
    border-top: 1px solid #eee;
}

.login-card .form-control {
    padding: 10px 14px;
    font-size: 15px;
}

.login-card .input-group-text {
    background: #f8f9fa;
    border-right: none;
}

.login-card .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.login-card .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    transition: transform 0.15s, box-shadow 0.15s;
}

.login-card .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.login-card .alert {
    border-radius: 8px;
    margin-bottom: 0;
}