/* 学生成绩查询系统 - 全局样式 */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 班级入口卡片 */
.class-entry-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
}
.class-entry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.12) !important;
}

/* 结果表格 */
#scoreTable td, #rankTable td {
    vertical-align: middle;
}

/* 手机端适配 */
@media (max-width: 576px) {
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
    .card-body {
        padding: 1rem;
    }
    #scoreTable, #rankTable {
        font-size: 0.875rem;
    }
}

/* 后台管理侧边布局 */
.admin-sidebar {
    min-height: calc(100vh - 56px);
    background: #212529;
}
.admin-sidebar .nav-link,
#sidebarOffcanvas .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.75rem 1.25rem;
    border-radius: 0;
    transition: all 0.15s;
}
.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active,
#sidebarOffcanvas .nav-link:hover,
#sidebarOffcanvas .nav-link.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}
.admin-sidebar .nav-link svg,
#sidebarOffcanvas .nav-link svg {
    margin-right: 8px;
    vertical-align: text-bottom;
}

/* 后台主内容区 */
.admin-main {
    min-height: calc(100vh - 56px);
    background: #f5f6fa;
}

/* 后台卡片 */
.admin-card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.admin-card .card-header {
    background: #fff;
    border-bottom: 1px solid #eee;
    padding: 1rem 1.25rem;
}

/* 表格操作区 */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* 导入结果弹窗 */
.import-result-list {
    max-height: 400px;
    overflow-y: auto;
}
.import-result-item {
    padding: 6px 12px;
    border-bottom: 1px solid #eee;
    font-size: 0.9rem;
}
.import-result-item:last-child {
    border-bottom: none;
}
.import-result-item .badge {
    margin-right: 8px;
}

/* 登录页 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.login-card {
    border: none;
    border-radius: 12px;
}

/* 警告/成功提示动画 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.alert-fade-in {
    animation: fadeIn 0.2s ease;
}