/* 登录页面特定样式 */
.login-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 20px;
}

.login-box {
    background-color: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
}

/* 表单样式 */
.login-box .form-group {
    margin-bottom: 20px;
}

.login-box .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.login-box .form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.login-box .form-group input:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

/* 登录按钮 */
.login-btn {
    width: 100%;
    padding: 12px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

/* 验证码样式 */
.captcha-group {
    margin-bottom: 20px;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-container input {
    flex: 1;
    max-width: 120px;
}

#captcha-image {
    width: 100px;
    height: 44px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

#captcha-image:hover {
    transform: scale(1.05);
}

/* 注册链接 */
.register-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

.register-link a {
    color: #2196F3;
    text-decoration: none;
    font-weight: 600;
}

.register-link a:hover {
    text-decoration: underline;
}

/* 错误信息 */
.error-message {
    color: #f44336;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

/* 提示信息 */
.flash-message {
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    background-color: #e3f2fd;
    color: #1565c0;
    border-left: 4px solid #2196F3;
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .login-box h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .login-box .form-group input {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .login-btn {
        padding: 10px;
        font-size: 14px;
    }
}