/**
 * 登录页面样式
 */

body {
    background: linear-gradient(135deg, #e0f2fe 0%, #ddd6fe 50%, #fce7f3 100%);
}

.login-card-header {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #10b981 100%);
    position: relative;
    overflow: hidden;
}

.login-card-header::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -50px;
    left: -50px;
}

.login-card-header::after {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -40px;
    right: -40px;
}

/* 移动端优化 */
@media (max-width: 640px) {
    body {
        padding: 0.75rem !important;
    }
    .login-card-header {
        height: 80px !important;
    }
    .login-card-header i {
        font-size: 2rem !important;
    }
    .login-title {
        font-size: 1.5rem !important;
        margin-bottom: 1rem !important;
    }
    .login-card-content {
        padding: 1.25rem !important;
    }
    .login-input {
        padding-top: 0.625rem !important;
        padding-bottom: 0.625rem !important;
        font-size: 0.9rem !important;
    }
    .login-label {
        font-size: 0.8rem !important;
        margin-bottom: 0.375rem !important;
    }
    .form-group {
        margin-bottom: 0.875rem !important;
    }
    .login-btn {
        padding-top: 0.625rem !important;
        padding-bottom: 0.625rem !important;
        font-size: 0.9rem !important;
    }
    #captchaDisplay {
        min-width: 85px !important;
        height: 38px !important;
        font-size: 1rem !important;
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
    }
    .captcha-hint {
        display: none;
    }
}

