/* ============================================================================
 * 移动端适配层（2026-09-13）
 *  一、铺满策略：手机上左右不留白、卡片去掉左右边框与圆角，只保留上下分隔
 *  二、紧凑列表：配合 js/mobile-list.js 把宽表格转成「横条行 + ⋯ 操作菜单 + 详情页」
 *  三、底部操作面板 / 详情页样式
 *  本文件在 theme.css 之后加载，用于覆盖桌面端遗留的内边距与边框。
 * ========================================================================= */

/* ---------- 紧凑列表：默认隐藏，仅手机端显示 ---------- */
.m-list { display: none; }

/* ---------- 文档中心布局：桌面端基准（手机端的抽屉样式见下方第 12 条） ----------
   这些类原先写在内联 style 上，改成类名是为了让手机端能覆盖。
   注意必须放在 @media 之前，否则会盖掉媒体查询里的移动端规则。 */
.fs-layout { display: flex; gap: 16px; }
.fs-main { flex: 1; min-width: 0; }
.fs-cat-toggle { display: none; }
.fs-side-backdrop { display: none; }

@media (max-width: 768px) {
    /* ===== 1. 铺满：只去掉左右留白（原 main-content 16px + gcca-book-page 20px + card 16px ≈ 每侧 52px） =====
       注意：上下间距必须保留——顶部是给固定导航留的呼吸，底部 112px 是给「底部 Tab 栏 + AI 悬浮按钮」让位。 */
    .main-content { padding: 12px 0 112px !important; max-width: 100% !important; }
    #page-container { padding-left: 0 !important; padding-right: 0 !important; max-width: 100% !important; }
    .page-content { padding: 0 0 24px !important; }
    .gcca-book-page { padding: 10px 0 24px !important; border-radius: 0 !important; }
    /* 页头/工具条保留 12px 呼吸，否则标题会贴边 */
    .page-header { padding-left: 12px !important; padding-right: 12px !important; }
    .toolbar-card { padding-left: 12px !important; padding-right: 12px !important; }
    /* 有些页头没用 .page-header，而是裸 .page-title / .flex-between（媒体库、智能图集、系统管理等），一并补上 */
    #page-container > .page-title,
    #page-container > .page-subtitle,
    #page-container > .tab-bar,
    #page-container > .fs-toolbar,
    #page-container > .fs-folder-actions,
    #page-container > .section-head { padding-left: 12px !important; padding-right: 12px !important; }
    /* flex-between 页头：标题与操作分两行，按钮紧凑且不折字 */
    #page-container > .flex-between {
        flex-direction: column; align-items: stretch; gap: 10px;
        padding-left: 12px !important; padding-right: 12px !important;
    }
    #page-container > .flex-between.mb-24 { margin-bottom: 14px !important; }
    #page-container > .flex-between .btn { flex: 0 1 auto !important; white-space: nowrap; }

    /* ===== 2. 卡片：左右铺满、去掉左右边框与圆角阴影，只留上下分隔线 ===== */
    .card {
        padding: 12px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        border-left: none !important;
        border-right: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        border-bottom: 1px solid var(--color-border-light);
    }
    .card:hover { transform: none !important; box-shadow: none !important; }
    .card-header { padding-left: 0 !important; padding-right: 0 !important; }

    /* ===== 3. 表格：已转换的宽表格（<table> 或 div 版 .data-table）在手机上隐藏，改由 .m-list 呈现 ===== */
    .m-hidden-on-mobile { display: none !important; }

    /* ===== 3.1 桌面端的固定像素多列布局（如 300px 1fr）在手机上堆叠为单列 =====
       由 js/mobile-list.js 自动给这类内联栅格加 .m-stack，无需逐页改代码；桌面端不受影响。 */
    .m-stack { grid-template-columns: 1fr !important; }
    .m-stack > * { position: static !important; top: auto !important; }

    /* ===== 4. 紧凑横条行 ===== */
    .m-list {
        display: block;
        margin: 0 0 4px;
    }
    .m-row {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-bottom: 1px solid var(--color-border-light);
        cursor: pointer;
        background: var(--color-surface);
        -webkit-tap-highlight-color: transparent;
    }
    .m-row:last-child { border-bottom: none; }
    .m-row:active { background: var(--color-surface-2); }
    .m-row-thumb {
        flex: 0 0 44px; width: 44px; height: 44px;
        border-radius: 8px; overflow: hidden;
        background: var(--color-surface-2);
        display: inline-flex; align-items: center; justify-content: center;
    }
    .m-row-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .m-row-main { flex: 1 1 auto; min-width: 0; }
    .m-row-title {
        display: block; font-size: 14.5px; font-weight: 600; line-height: 1.3;
        color: var(--color-text);
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .m-row-sub {
        display: flex; align-items: center; gap: 6px;
        margin-top: 3px; min-width: 0; overflow: hidden;
    }
    .m-chip {
        font-size: 12px; color: var(--color-text-muted); line-height: 1.4;
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .m-chip-dot { color: var(--color-border); font-size: 12px; }
    .m-row-sub .badge { font-size: 11px; padding: 1px 7px; flex: 0 0 auto; }
    .m-row-more {
        flex: 0 0 auto; width: 34px; height: 34px;
        display: inline-flex; align-items: center; justify-content: center;
        border: none; background: transparent; border-radius: 8px;
        color: var(--color-text-muted); font-size: 20px; line-height: 1; letter-spacing: 1px;
        cursor: pointer; padding: 0;
    }
    .m-row-more:active { background: var(--color-surface-2); }

    /* ===== 4.1 条目少（≤6）时用 2 列小方块卡片：比横条更能承载信息 =====
       横条适合「库存品/商品」这种成百上千条、只看名称+分类的场景；
       数量不多的列表（门店、课程、积分账户等）用卡片更合适。 */
    /* 注意：必须用 minmax(0,1fr)。1fr 的最小值是 auto（= 内容最小宽度），
       卡片里 nowrap 的长文本会把轨道撑破，导致卡片变成整行宽。 */
    .m-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 8px; }
    .m-grid.is-single { grid-template-columns: minmax(0, 1fr); }
    .m-card {
        position: relative; display: flex; flex-direction: column; gap: 6px;
        min-height: 96px; min-width: 0; padding: 10px;
        background: var(--color-surface); border: 1px solid var(--color-border-light);
        border-radius: 10px; cursor: pointer; -webkit-tap-highlight-color: transparent;
    }
    .m-card:active { background: var(--color-surface-2); }
    .m-card-thumb { width: 100%; height: 64px; border-radius: 8px; overflow: hidden; background: var(--color-surface-2); }
    .m-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
    .m-card-title {
        font-size: 14px; font-weight: 600; line-height: 1.3; padding-right: 24px;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .m-card-kv { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; font-size: 12px; line-height: 1.45; }
    .m-card-kv > span {
        flex: 0 0 auto; max-width: 44%; color: var(--color-text-muted);
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .m-card-kv > b {
        flex: 1 1 auto; min-width: 0; text-align: right; font-weight: 600; color: var(--color-text);
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
        overflow: hidden; word-break: break-all;
    }
    .m-card-more {
        position: absolute; right: 4px; top: 4px;
        width: 30px; height: 30px; padding: 0; border: none; background: transparent;
        display: inline-flex; align-items: center; justify-content: center;
        color: var(--color-text-muted); font-size: 18px; line-height: 1; letter-spacing: 1px;
        border-radius: 8px; cursor: pointer;
    }
    .m-card-more:active { background: var(--color-surface-2); }

    /* ===== 5. 底部操作面板（⋯ 菜单） ===== */
    .m-sheet-layer { position: fixed; inset: 0; z-index: 10002; display: flex; flex-direction: column; justify-content: flex-end; }
    .m-sheet-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, .38); }
    .m-sheet {
        position: relative; background: var(--color-surface);
        border-radius: 16px 16px 0 0;
        padding: 10px 12px calc(env(safe-area-inset-bottom, 0px) + 12px);
        box-shadow: 0 -8px 30px rgba(0, 0, 0, .18);
        animation: mSheetIn .22s ease;
    }
    .m-sheet-title {
        font-size: 13px; color: var(--color-text-muted); text-align: center;
        padding: 6px 0 10px; font-weight: 600;
    }
    .m-sheet-actions { display: flex; flex-direction: column; gap: 6px; }
    .m-sheet-item {
        width: 100%; text-align: center; padding: 13px 12px;
        background: var(--color-surface-2); color: var(--color-text);
        border: none; border-radius: 10px; font-size: 15px; cursor: pointer;
    }
    .m-sheet-item:active { background: var(--color-border-light); }
    .m-sheet-item.danger { color: var(--color-danger, #DC2626); }
    .m-sheet-cancel { margin-top: 6px; font-weight: 600; background: var(--color-surface); border: 1px solid var(--color-border-light); }

    /* ===== 6. 详情页（页面化弹窗内容） ===== */
    .m-detail-thumb {
        width: 100%; max-height: 220px; overflow: hidden; border-radius: 10px;
        background: var(--color-surface-2); margin-bottom: 12px;
        display: flex; align-items: center; justify-content: center;
    }
    .m-detail-thumb img { width: 100%; height: auto; max-height: 220px; object-fit: contain; display: block; }
    .m-detail-title { font-size: 17px; font-weight: 600; margin-bottom: 12px; line-height: 1.4; }
    .m-detail-list { margin: 0; }
    .m-detail-row {
        display: flex; align-items: flex-start; gap: 10px;
        padding: 10px 0; border-bottom: 1px solid var(--color-border-light);
    }
    .m-detail-row:last-child { border-bottom: none; }
    .m-detail-row dt {
        flex: 0 0 84px; margin: 0; font-size: 13px; color: var(--color-text-muted);
        word-break: break-all;
    }
    .m-detail-row dd { flex: 1 1 auto; margin: 0; font-size: 14px; word-break: break-word; text-align: right; }
    .m-detail-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .m-detail-actions .btn { flex: 1 1 45%; min-width: 0; }

    /* ===== 7. 顶部导航：手机端底部 Tab 已有「首页」，去掉左上角首页按钮，汉堡移到最左 ===== */
    body.nav-side #nav-home-btn { display: none !important; }
    body.nav-side .nav-hamburger { margin: 12px 12px 0 0 !important; }

    /* ===== 8. 抽屉用户区：加大字号与头像，之前 36px 行高、13px 字号太挤看不清 =====
       注意：抽屉（#nav-menu）是 flex 纵向布局且自身可滚动，子项默认会被压缩——
       必须 flex-shrink:0，否则用户区会被压扁、按钮被裁掉。 */
    #nav-menu > * { flex-shrink: 0; }
    body.nav-side .drawer-user { padding: 14px !important; flex: 0 0 auto !important; overflow: visible !important; }
    body.nav-side .drawer-user-top { gap: 12px !important; min-height: 46px; }
    body.nav-side .drawer-user-avatar { width: 46px !important; height: 46px !important; font-size: 19px !important; }
    body.nav-side .drawer-user-meta { flex: 1 1 auto; min-width: 0; }
    body.nav-side .drawer-user-name { font-size: 16px !important; line-height: 1.35; }
    body.nav-side .drawer-user-role { font-size: 13px !important; margin-top: 3px !important; }
    body.nav-side .drawer-user-actions { margin-top: 12px; }

    /* ===== 9. 首页 hero 面板：手机上是页头不是海报，压成一行 ===== */
    .hero-panel { padding: 12px 14px !important; margin-bottom: 12px !important; border-radius: 12px !important; }
    .hero-content { gap: 10px !important; flex-wrap: nowrap !important; }
    .hero-content > div { min-width: 0; }
    .hero-avatar { width: 38px !important; height: 38px !important; border-radius: 11px !important; font-size: 16px !important; flex: 0 0 auto; }
    .hero-greet {
        font-size: 15px !important; margin-bottom: 1px !important; letter-spacing: 0 !important;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .hero-sub { font-size: 11.5px !important; gap: 6px !important; overflow: hidden; }
    .hero-cta { margin-left: auto !important; width: auto !important; flex: 0 0 auto !important; }
    .hero-cta .btn { width: auto !important; padding: 4px 9px !important; font-size: 11.5px !important; }

    /* ===== 10. 统计卡：手机上一屏 6 个超大卡（"老年放大版"）→ 2 列小方块 ===== */
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; margin-bottom: 14px !important; }
    .stat-card { padding: 12px !important; gap: 6px !important; border-radius: 10px !important; }
    .stat-card:hover { transform: none !important; box-shadow: var(--shadow-sm) !important; }
    .stat-card .stat-icon { width: 30px !important; height: 30px !important; border-radius: 9px !important; }
    .stat-card .stat-icon svg { width: 16px !important; height: 16px !important; }
    .stat-card .stat-value { font-size: 20px !important; }
    .stat-card .stat-label { font-size: 11.5px !important; line-height: 1.3; }

    /* ===== 11. 页头工具条：搜索占整行、按钮缩小并同排（分类管理、库存管理、文档中心…） ===== */
    .page-header-tools { gap: 6px !important; }
    .page-header-tools > .pht-search { flex: 1 1 100%; }
    .page-header-tools > .pht-search > input { width: 100% !important; }
    .fs-header-actions { gap: 6px !important; }
    .fs-header .fs-search { flex: 1 1 100%; }
    /* 按钮不再各占 1/3 屏宽（theme.css 里是 flex:1 1 30%; min-width:88px），按内容紧凑排列 */
    .page-header .btn, .page-header-tools > .btn {
        flex: 0 1 auto !important; min-width: 0 !important;
        padding: 6px 9px !important; font-size: 12.5px !important; white-space: nowrap;
    }
    .page-header .badge { margin-left: 4px; font-size: 11px; }

    /* ===== 12. 文档中心：分类侧边栏在手机上收成可滑出的抽屉，不再常驻占宽 ===== */
    .fs-layout { gap: 0 !important; }
    .fs-cat-toggle {
        display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
        padding: 6px 12px; font-size: 12.5px; white-space: nowrap; cursor: pointer;
        background: var(--color-surface); border: 1px solid var(--color-border);
        border-radius: 999px; color: var(--color-text);
    }
    .fs-side-wrap {
        position: fixed; top: 0; bottom: 0; left: 0; z-index: 1600;
        width: 78vw; max-width: 300px; overflow-y: auto;
        background: var(--color-surface);
        padding: 14px 12px calc(env(safe-area-inset-bottom, 0px) + 14px);
        box-shadow: 2px 0 18px rgba(0, 0, 0, .16);
        transform: translateX(-102%); transition: transform .22s ease;
    }
    .fs-side-wrap.open { transform: none; }
    .fs-side-wrap .fs-side-inner { width: 100% !important; }
    /* 抽屉里不需要「收起侧栏」按钮（收起只对桌面端常驻侧栏有意义） */
    .fs-side-wrap .card-header .sidebar-tab { display: none !important; }
    .fs-side-backdrop {
        display: none; position: fixed; inset: 0; z-index: 1590; background: rgba(0, 0, 0, .38);
    }
    .fs-side-backdrop.show { display: block; }
}