/**
 * 全站移动端自适应 - 确保整个页面适配手机屏幕
 * 加载顺序：在核心样式之后，确保覆盖
 */

/* ===== 根元素：防止横向溢出 ===== */
html {
    overflow-x: hidden;
    max-width: 100vw;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

/* ===== 主容器 ===== */
.main-container {
    max-width: 100vw;
    overflow-x: hidden;
}

/* ===== 内容区域 ===== */
.content-area {
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

/* ===== 移动端通用适配 ===== */
@media (max-width: 768px) {
    /* 顶部栏防止溢出 */
    .header, .header-container {
        max-width: 100vw;
        overflow-x: hidden;
    }
    html, body {
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

    .main-container {
        padding-left: max(12px, env(safe-area-inset-left)) !important;
        padding-right: max(12px, env(safe-area-inset-right)) !important;
    }

    .content-area {
        padding: 12px !important;
        padding-left: max(12px, env(safe-area-inset-left)) !important;
        padding-right: max(12px, env(safe-area-inset-right)) !important;
    }

    /* 页面头部 */
    .page-header {
        padding: 16px !important;
        margin-bottom: 16px !important;
    }

    .page-header .page-title,
    .page-title {
        font-size: 1.25rem !important;
    }

    /* 通用卡片、表单 */
    .card, .stat-card, .form-card {
        padding: 12px !important;
        margin-bottom: 12px !important;
    }

    /* 图片自适应 */
    img {
        max-width: 100%;
        height: auto;
    }

    /* 表格容器保持横向滚动，不溢出页面 */
    .table-container {
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* 模态框 */
    .modal-overlay, .grades-modal {
        padding: 10px;
        align-items: flex-start;
        padding-top: max(10px, env(safe-area-inset-top));
    }

    .modal-overlay .modal,
    .grades-modal .grades-modal-box {
        width: 100% !important;
        max-width: calc(100vw - 20px) !important;
        margin: 0 !important;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding-left: max(8px, env(safe-area-inset-left)) !important;
        padding-right: max(8px, env(safe-area-inset-right)) !important;
    }

    .content-area {
        padding: 8px !important;
        padding-left: max(8px, env(safe-area-inset-left)) !important;
        padding-right: max(8px, env(safe-area-inset-right)) !important;
    }

    .page-header {
        padding: 12px !important;
    }

    .page-header .page-title,
    .page-title {
        font-size: 1.1rem !important;
    }
}

/* ===== 通用布局：小屏下主容器单列 ===== */
@media (max-width: 768px) {
    .main-container {
        flex-wrap: wrap;
    }

    .content-area {
        flex: 1 1 100%;
        min-width: 0;
    }
}