/* 登录页面样式 - 匹配桌面版Flet应用 */

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

.login-box {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 48px 40px;
    width: 380px;
    text-align: center;
}

.login-icon {
    margin-bottom: 16px;
}

.login-icon i {
    font-size: 64px;
    color: #2196F3;
}

.login-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 4px;
    color: #212529;
}

.login-subtitle {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 30px;
}

.login-form {
    text-align: left;
}

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

.login-form .form-control {
    border-left: none;
}

.login-form .form-control:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.login-btn {
    background-color: #2196F3;
    border-color: #2196F3;
    color: white;
    padding: 10px;
    font-size: 16px;
    font-weight: 500;
    margin-top: 10px;
}

.login-btn:hover {
    background-color: #1976D2;
    border-color: #1976D2;
}

.login-footer {
    margin-top: 30px;
}

/* 加载遮罩 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* 提示消息容器 */
.alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    max-width: 400px;
}