/* 基础样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 语言和主题切换 */
.language-switch, .theme-switch {
    text-align: right;
    margin: 10px 0;
}

.language-switch a, .theme-switch a {
    text-decoration: none;
    margin-left: 10px;
}

/* 登录和注册表单 */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.auth-form {
    width: 100%;
    max-width: 400px;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.auth-form h2 {
    margin-bottom: 20px;
    text-align: center;
}

.error {
    color: #dc3545;
    font-size: 0.875rem;
    display: block;
    margin-top: 5px;
}

/* 仪表盘 */
.dashboard-container {
    padding: 20px 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.service-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    padding: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

.service-card p {
    margin-bottom: 15px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .auth-form {
        padding: 20px;
    }
}

/* 通用样式 */
.btn {
    cursor: pointer;
}

.flashes {
    margin-bottom: 20px;
}

/* 消息提示 */
.alert {
    margin-bottom: 15px;
    padding: 12px 20px;
    border-radius: 4px;
}

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

/* 主页卡片特效 */
.service-card .btn {
    width: 100%;
    margin-top: auto;
}

.service-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 200px;
}