/* ==========================================================================
   优化模块 · 通用模板（Module Template）
   --------------------------------------------------------------------------
   适用于 13 个优化模块共享的统一骨架（内存 / 音频 / CPU / 显卡 / 网络 / 隐私
   / 系统调校 / 桌面体验 / 任务调度 / 系统服务 / 性能加速 / 外设优化 / 系统清理）
   --------------------------------------------------------------------------
   骨架四段：
     ① 顶部细带（标题 + 副标题 + 健康徽标）
     ② 控制栏（健康环 + 7 档筛选 chip + 操作按钮 + 恢复默认 popover）
     ③ 分组开关列表（每组：图标 + 标题 + 副标题 + meta；行：标题 + 标签 + 描述 + 开关）
     ④ 底部应用岛屿（状态指示 + 已选/生效 + 立即应用按钮）
     ⑤ 空状态占位（筛选无结果时）
   --------------------------------------------------------------------------
   每个模块只需在自己的 css 里覆盖 --mod-accent 主色即可，无需重写骨架
   ========================================================================== */

/* ==========================================================================
   主内容容器适配（关键：必须 stretch 否则子页面会被压成内容宽度）
   ========================================================================== */
.main-content:has(.mod-page) {
    align-items: stretch !important;
    justify-content: stretch !important;
    overflow: hidden;
}

/* ==========================================================================
   页面根容器
   ========================================================================== */
.mod-page {
    /* 主色变量：每个模块覆盖此值 */
    --mod-accent: #22C55E;
    --mod-accent-soft: rgba(34, 197, 94, 0.10);
    --mod-accent-strong: rgba(34, 197, 94, 0.22);

    /* ==========================================================================
       通用 token · glass-panel-os 风格立场（v2 视觉升级）
       概念种子：A control panel suspended in stratosphere —— 浮空玻璃控制面板
       --------------------------------------------------------------------------
       五维：
         · 空间：z-axis 三层（底层桌面 / 中层玻璃片 / 顶层热点）
         · 色彩：模块 accent 作为内部暖光，从玻璃片内透出
         · 形式：14-16px 圆角 + 双层边框（外亮内深）模拟玻璃厚度
         · 动态：hover 微浮起 + 入场 stagger + 开关余晖
         · 材质：blur(28px) saturate(180%) 真亚克力 + 双层投影 + 顶部高光
       ========================================================================== */
    --mod-surface: rgba(255, 255, 255, 0.62);
    --mod-surface-raised: rgba(255, 255, 255, 0.92);
    --mod-border: rgba(255, 255, 255, 0.7);          /* 玻璃外缘亮边 */
    --mod-border-inner: rgba(15, 23, 42, 0.05);      /* 玻璃内缘暗边 */
    --mod-border-strong: rgba(15, 23, 42, 0.10);
    --mod-text-primary: var(--text-primary, #1A1D24);
    --mod-text-secondary: var(--text-secondary, #6B7280);
    --mod-text-muted: var(--text-tertiary, #9CA3AF);

    /* 玻璃材质 token —— 11 模块统一 */
    --mod-glass-blur: blur(28px) saturate(180%);
    --mod-shadow-card: 0 12px 32px -8px rgba(15, 23, 42, 0.10),
                       0 2px 6px -2px rgba(15, 23, 42, 0.06);
    --mod-shadow-inset-top: inset 0 1px 0 rgba(255, 255, 255, 0.65);
    --mod-shadow-island: 0 24px 48px -12px rgba(15, 23, 42, 0.20),
                         0 8px 16px -4px rgba(15, 23, 42, 0.10),
                         inset 0 1px 0 rgba(255, 255, 255, 0.7);

    /* 风险语义色 */
    --mod-tone-safe: #10B981;
    --mod-tone-warn: #F59E0B;
    --mod-tone-danger: #EF4444;
    --mod-tone-blocked: #A855F7;
    --mod-tone-info: #0EA5E9;
    --mod-tone-recommend: #2563EB;

    width: 100%;
    height: 100%;
    padding: 14px 22px 76px; /* 底部留出岛屿空间，避免内容被遮挡 */
    overflow: hidden; /* 由 .mod-list 滚动 */
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
    color: var(--mod-text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.mod-page .mono-text {
    font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
    font-variant-numeric: tabular-nums;
}

.mod-page .icon-xs { width: 14px; height: 14px; flex-shrink: 0; }

/* ==========================================================================
   ① 顶部细带（标题区）
   ========================================================================== */
.mod-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 4px 2px;
    flex-shrink: 0;
}

.mod-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.mod-bc-icon {
    width: 18px;
    height: 18px;
    color: var(--mod-accent);
    stroke-width: 2;
    flex-shrink: 0;
}

.mod-bc-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--mod-text-primary);
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.mod-bc-sub {
    font-size: 12px;
    font-weight: 500;
    color: var(--mod-text-muted);
    padding-left: 8px;
    border-left: 1px solid rgba(0, 0, 0, 0.08);
    margin-left: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mod-topbar-extra {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ==========================================================================
   ①·B 标题行（左：标题 + 副标题；右上：健康卡）
   --------------------------------------------------------------------------
   仅用于通用矩阵模板（audio / cpu / network / privacy ... 11 个模块）。
   memory-optimization 不使用 .mod-hero-row（自有 hero/top-strip 布局）。
   ========================================================================== */
.mod-hero-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 4px 4px 0 4px;
    flex-shrink: 0;
}

.mod-hero-text {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mod-hero-title {
    margin: 0;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
    color: var(--mod-text-primary);
}

.mod-hero-sub {
    margin: 0;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--mod-text-muted);
    line-height: 1.5;
}

/* 标题行内的健康卡：放在最右上，呈玻璃片形态
   ——— 独立作用域，避免与控制栏内嵌版本（.mod-control-bar .mod-health-card）冲突 */
.mod-hero-row .mod-health-card {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    padding: 14px 18px;
    margin: 0;
    background: var(--mod-surface);
    border: 1px solid var(--mod-border);
    border-left: 1px solid var(--mod-border);   /* 覆盖全局值，保持四边一致 */
    border-radius: 16px;
    backdrop-filter: var(--mod-glass-blur);
    -webkit-backdrop-filter: var(--mod-glass-blur);
    box-shadow: var(--mod-shadow-card), var(--mod-shadow-inset-top);
    align-self: flex-start;
    /* 截断全局版本的 order / margin-left:auto 影响 */
    order: 0;
    transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 240ms cubic-bezier(0.22, 1, 0.36, 1);
}
.mod-hero-row .mod-health-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.14),
                0 4px 10px -2px rgba(15, 23, 42, 0.08),
                var(--mod-shadow-inset-top);
}
/* hero 内的环略微放大 + 数字字号统一 */
.mod-hero-row .mod-health-ring { width: 60px; height: 60px; }
.mod-hero-row .mod-health-stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}
.mod-hero-row .mod-health-stat-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--mod-text-secondary);
    letter-spacing: 0.1px;
    white-space: nowrap;
}
.mod-hero-row .mod-health-stat-title strong {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 16px;
    font-weight: 700;
    color: var(--mod-text-primary);
    margin-left: 2px;
}
.mod-hero-row .mod-health-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}
.mod-hero-row .mod-health-list li {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    font-weight: 500;
    color: var(--mod-text-muted);
    white-space: nowrap;
}

@media (max-width: 960px) {
    .mod-hero-row {
        flex-direction: column;
        align-items: stretch;
    }
    .mod-hero-row .mod-health-card {
        align-self: stretch;
    }
}

/* ==========================================================================
   ② 控制栏（健康环 + 筛选 chip + 操作按钮）
   ========================================================================== */
.mod-control-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    /* 玻璃舱体：accent 色作为内部暖光从左上透出 */
    background:
        radial-gradient(120% 80% at 0% 0%, var(--mod-accent-soft) 0%, transparent 55%),
        var(--mod-surface);
    border: 1px solid var(--mod-border);
    border-radius: 16px;
    backdrop-filter: var(--mod-glass-blur);
    -webkit-backdrop-filter: var(--mod-glass-blur);
    box-shadow: var(--mod-shadow-card), var(--mod-shadow-inset-top);
    flex-shrink: 0;
    flex-wrap: wrap;
    position: relative;
}

/* 健康卡（环 + 风险分布）—— 在控制栏内右侧，作用域受限避免污染 hero 行 */
.mod-control-bar .mod-health-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 16px;
    border-left: 1px solid var(--mod-border-inner);
    flex-shrink: 0;
    order: 3; /* 强制放到最右侧 */
    margin-left: auto;
}

/* 筛选条放在最左 */
.mod-control-bar .mod-filter-bar { order: 1; }

/* 操作按钮在中间 */
.mod-control-bar .mod-control-actions { order: 2; }
.mod-health-ring {
    position: relative;
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    /* 仪器感：12 段刻度线作为外部装饰（quartz-console 注入） */
    background:
        repeating-conic-gradient(
            from 0deg,
            rgba(15, 23, 42, 0.18) 0deg 1deg,
            transparent 1deg 30deg
        );
    -webkit-mask: radial-gradient(closest-side, transparent 78%, #000 79%, #000 86%, transparent 87%);
            mask: radial-gradient(closest-side, transparent 78%, #000 79%, #000 86%, transparent 87%);
}
.mod-health-ring::before {
    /* 内部圆形玻璃面板 */
    content: '';
    position: absolute;
    inset: 7px;
    border-radius: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.55) 100%);
    box-shadow: inset 0 1px 1px rgba(255,255,255,0.9),
                inset 0 -1px 2px rgba(15, 23, 42, 0.06),
                0 0 12px var(--mod-accent-soft);
    z-index: 0;
}
.mod-ring-svg {
    width: 100%;
    height: 100%;
    display: block;
    position: relative;
    z-index: 1;
}
.mod-ring-track {
    fill: none;
    stroke: rgba(15, 23, 42, 0.06);
    stroke-width: 5;
}
.mod-ring-progress {
    fill: none;
    stroke: var(--mod-accent);
    stroke-width: 5;
    stroke-linecap: round;
    filter: drop-shadow(0 0 4px var(--mod-accent-strong));
    transition: stroke-dasharray 900ms cubic-bezier(0.22, 1, 0.36, 1);
}
.mod-ring-num {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1px;
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    line-height: 1;
    z-index: 2;
}
.mod-ring-num strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--mod-text-primary);
}
.mod-ring-num span,
.mod-ring-num em {
    font-size: 11px;
    color: var(--mod-text-muted);
    font-style: normal;
}

.mod-health-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.mod-health-stat-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--mod-text-secondary);
    white-space: nowrap;
}
.mod-health-list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px 10px;
}
.mod-health-list li {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--mod-text-secondary);
    white-space: nowrap;
}

.mod-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}
.mod-dot--safe { background: var(--mod-tone-safe); }
.mod-dot--warn { background: var(--mod-tone-warn); }
.mod-dot--danger { background: var(--mod-tone-danger); }
.mod-dot--blocked { background: var(--mod-tone-blocked); }
.mod-dot--info { background: var(--mod-tone-info); }

/* 筛选 chip 栏 —— 嵌入式玻璃槽 */
.mod-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 10px;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.05);
    flex: 1 1 auto;
    min-width: 0;
}
.mod-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    background: transparent;
    border: 0;
    border-radius: 7px;
    color: var(--mod-text-secondary);
    font-size: 12.5px;
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease;
    white-space: nowrap;
    line-height: 1;
}
.mod-filter-chip:hover {
    background: rgba(15, 23, 42, 0.05);
    color: var(--mod-text-primary);
}
.mod-filter-chip.is-active {
    background: var(--mod-surface-raised);
    color: var(--mod-text-primary);
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.10),
                0 0 0 1px rgba(255, 255, 255, 0.8) inset;
}
.mod-filter-chip em {
    font-size: 11px;
    color: var(--mod-text-muted);
    font-style: normal;
}
.mod-filter-chip.is-active em { color: var(--mod-text-secondary); }

/* 操作按钮 */
.mod-control-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    flex-shrink: 0;
}
.mod-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    background: transparent;
    border: 1px solid var(--mod-border-strong);
    border-radius: 8px;
    color: var(--mod-text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
    white-space: nowrap;
    line-height: 1.3;
}
.mod-btn-ghost:hover {
    background: var(--mod-surface-raised);
    color: var(--mod-text-primary);
    border-color: var(--mod-text-muted);
}
.mod-btn-caret {
    margin-left: 2px;
    opacity: 0.55;
}

/* Popover */
.mod-popover {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 220px;
    padding: 4px;
    background: var(--mod-surface-raised);
    border: 1px solid var(--mod-border);
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    z-index: 30;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.mod-popover[hidden] { display: none; }
.mod-popover-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 10px;
    background: transparent;
    border: 0;
    border-radius: 6px;
    color: var(--mod-text-primary);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: background 150ms ease;
}
.mod-popover-item:hover { background: rgba(15, 23, 42, 0.04); }
.mod-popover-item strong { font-weight: 500; line-height: 1.3; }
.mod-popover-item span { font-size: 11.5px; color: var(--mod-text-muted); line-height: 1.3; }
.mod-popover-item--danger strong { color: var(--mod-tone-danger); }
.mod-popover-divider {
    height: 1px;
    background: var(--mod-border-inner);
    margin: 4px 8px;
}

/* ==========================================================================
   ③ 分组开关列表
   ========================================================================== */
.mod-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto; /* 内容滚动只发生在列表内 */
    overflow-x: hidden;
    padding-right: 4px; /* 给滚动条留点呼吸 */
    margin-right: -4px;
}

.mod-group {
    background: var(--mod-surface);
    border: 1px solid var(--mod-border);
    border-radius: 16px;
    backdrop-filter: var(--mod-glass-blur);
    -webkit-backdrop-filter: var(--mod-glass-blur);
    box-shadow: var(--mod-shadow-card), var(--mod-shadow-inset-top);
    overflow: hidden;
    flex-shrink: 0;
    transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 240ms cubic-bezier(0.22, 1, 0.36, 1);
    /* 入场动效 stagger（由父级 nth-child 控制延迟） */
    animation: mod-group-rise 520ms cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.mod-group:hover {
    box-shadow: 0 18px 40px -10px rgba(15, 23, 42, 0.14),
                0 4px 10px -2px rgba(15, 23, 42, 0.08),
                var(--mod-shadow-inset-top);
}
.mod-list > .mod-group:nth-child(1) { animation-delay: 0ms; }
.mod-list > .mod-group:nth-child(2) { animation-delay: 60ms; }
.mod-list > .mod-group:nth-child(3) { animation-delay: 120ms; }
.mod-list > .mod-group:nth-child(4) { animation-delay: 180ms; }
.mod-list > .mod-group:nth-child(5) { animation-delay: 240ms; }
.mod-list > .mod-group:nth-child(6) { animation-delay: 300ms; }
.mod-list > .mod-group:nth-child(n+7) { animation-delay: 360ms; }
@keyframes mod-group-rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .mod-group { animation: none; }
}

.mod-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--mod-border-inner);
    background: linear-gradient(180deg, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0) 100%);
    position: relative;
}
.mod-group-head::before {
    /* quartz 装饰：左侧 1px accent 色刻度线 */
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--mod-accent) 0%, transparent 100%);
    opacity: 0.55;
}

.mod-group-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.mod-group-icon {
    --mod-group-tone: #6B7280;
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--mod-group-tone) 12%, white);
    color: var(--mod-group-tone);
    border-radius: 9px;
    flex-shrink: 0;
}
.mod-group-icon svg { width: 16px; height: 16px; }

.mod-group-title-text { min-width: 0; }
.mod-group-title {
    margin: 0;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--mod-text-primary);
    line-height: 1.3;
    white-space: nowrap;
}
.mod-group-sub {
    margin: 2px 0 0;
    font-size: 11.5px;
    color: var(--mod-text-muted);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mod-group-meta {
    font-size: 11.5px;
    color: var(--mod-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.mod-group-meta strong {
    color: var(--mod-text-primary);
    font-weight: 600;
}

/* 开关行 */
.mod-toggle-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mod-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 18px;
    border-bottom: 1px solid var(--mod-border-inner);
    transition: background 180ms cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}
.mod-toggle-row:last-child { border-bottom: 0; }
.mod-toggle-row:hover {
    background: linear-gradient(90deg, var(--mod-accent-soft) 0%, transparent 60%);
}
.mod-toggle-row[data-blocked="true"] { opacity: 0.55; }

.mod-toggle-info {
    flex: 1 1 auto;
    min-width: 0;
}
.mod-toggle-row-title {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    font-weight: 500;
    color: var(--mod-text-primary);
    line-height: 1.3;
}
.mod-toggle-row-title > span:first-child {
    margin-right: 2px;
}
.mod-toggle-row-desc {
    margin: 4px 0 0;
    font-size: 11.5px;
    color: var(--mod-text-muted);
    line-height: 1.5;
}

/* Tag 标签 */
.mod-tag {
    display: inline-flex;
    align-items: center;
    padding: 1px 7px;
    font-size: 10.5px;
    font-weight: 500;
    border-radius: 999px;
    border: 1px solid transparent;
    line-height: 1.55;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.mod-tag--safe {
    color: #047857;
    background: rgba(16, 185, 129, 0.10);
    border-color: rgba(16, 185, 129, 0.22);
}
.mod-tag--warn {
    color: #B45309;
    background: rgba(245, 158, 11, 0.10);
    border-color: rgba(245, 158, 11, 0.22);
}
.mod-tag--danger {
    color: #B91C1C;
    background: rgba(239, 68, 68, 0.10);
    border-color: rgba(239, 68, 68, 0.22);
}
.mod-tag--recommend {
    color: #1D4ED8;
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.20);
}
.mod-tag--applied {
    color: #fff;
    background: var(--mod-accent);
    border-color: var(--mod-accent);
}
.mod-tag--ghost {
    color: var(--mod-text-muted);
    background: rgba(15, 23, 42, 0.04);
    border-color: var(--mod-border);
}

/* iOS 开关 —— 玻璃质感 + accent 余晖 */
.mod-switch {
    position: relative;
    width: 40px; height: 22px;
    background: rgba(15, 23, 42, 0.16);
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 220ms cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 220ms cubic-bezier(0.22, 1, 0.36, 1);
    padding: 0;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.18);
}
.mod-switch::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 18px; height: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.20),
                inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: transform 260ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.mod-switch.is-on {
    background: var(--mod-accent);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.10),
                0 0 0 4px var(--mod-accent-soft);
}
.mod-switch.is-on::after {
    transform: translateX(18px);
}
.mod-switch:hover {
    background: rgba(15, 23, 42, 0.22);
}
.mod-switch.is-on:hover {
    background: color-mix(in srgb, var(--mod-accent) 88%, black);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.10),
                0 0 0 5px var(--mod-accent-soft);
}
.mod-switch:focus-visible {
    outline: 2px solid var(--mod-accent);
    outline-offset: 2px;
}

/* 隐藏（被筛选过滤） */
.mod-toggle-row.is-hidden { display: none; }
.mod-group.is-empty { display: none; }

/* ==========================================================================
   ④ 空状态占位
   ========================================================================== */
.mod-empty {
    margin: 32px auto;
    max-width: 360px;
    text-align: center;
    color: var(--mod-text-muted);
}
.mod-empty[hidden] { display: none; }
.mod-empty-icon {
    display: inline-flex;
    width: 48px; height: 48px;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 50%;
    margin-bottom: 12px;
}
.mod-empty-icon svg { width: 20px; height: 20px; color: var(--mod-text-muted); }
.mod-empty-title {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--mod-text-secondary);
}
.mod-empty-hint {
    margin: 0;
    font-size: 11.5px;
}

/* ==========================================================================
   ⑤ 底部应用岛屿（sticky 浮动）
   ========================================================================== */
.mod-action-island {
    /* 绝对定位到 .mod-page 底部居中，永远固定不随内容滚动 */
    position: absolute;
    left: 50%;
    bottom: 16px;
    transform: translateX(-50%);
    padding: 10px 14px 10px 18px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background:
        radial-gradient(140% 120% at 100% 50%, var(--mod-accent-soft) 0%, transparent 60%),
        rgba(255, 255, 255, 0.85);
    border: 1px solid var(--mod-border);
    border-radius: 28px;
    box-shadow: var(--mod-shadow-island);
    backdrop-filter: var(--mod-glass-blur);
    -webkit-backdrop-filter: var(--mod-glass-blur);
    z-index: 20;
    white-space: nowrap;
    pointer-events: auto;
    animation: mod-island-float 580ms cubic-bezier(0.22, 1, 0.36, 1) 200ms backwards;
}
@keyframes mod-island-float {
    from { opacity: 0; transform: translateX(-50%) translateY(12px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .mod-action-island { animation: none; }
}

.mod-status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--mod-tone-safe);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.16);
    flex-shrink: 0;
}
.mod-status-text {
    font-size: 12px;
    color: var(--mod-text-secondary);
}
.mod-island-divider {
    width: 1px; height: 14px;
    background: var(--mod-border-strong);
    flex-shrink: 0;
}
.mod-island-stat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--mod-text-muted);
}
.mod-island-stat strong {
    color: var(--mod-text-primary);
    font-weight: 600;
    font-size: 12px;
}
.mod-island-stat--accent { color: var(--mod-accent) !important; }

.mod-island-apply {
    position: relative;
    padding: 8px 18px;
    background: linear-gradient(180deg, var(--mod-accent) 0%, color-mix(in srgb, var(--mod-accent) 78%, black) 100%);
    border: 0;
    border-radius: 20px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--mod-accent) 35%, transparent),
                0 0 0 1px color-mix(in srgb, var(--mod-accent) 30%, transparent),
                inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition: transform 200ms cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 200ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 150ms ease;
    white-space: nowrap;
    overflow: hidden;
}
.mod-island-apply::before {
    /* 顶部高光扫光 */
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.30) 0%, rgba(255,255,255,0) 100%);
    border-radius: 20px 20px 0 0;
    pointer-events: none;
}
.mod-island-apply:hover:not(:disabled) {
    box-shadow: 0 8px 20px color-mix(in srgb, var(--mod-accent) 50%, transparent),
                0 0 0 1px color-mix(in srgb, var(--mod-accent) 45%, transparent),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}
.mod-island-apply:active:not(:disabled) {
    transform: translateY(0) scale(0.97);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--mod-accent) 40%, transparent),
                inset 0 1px 3px rgba(0, 0, 0, 0.15);
}
.mod-island-apply:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
}

/* ==========================================================================
   响应式（窄屏折叠）
   ========================================================================== */
@media (max-width: 1100px) {
    .mod-control-bar { gap: 12px; }
    .mod-health-card {
        border-left: 0;
        padding-left: 0;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--mod-border-inner);
        width: 100%;
        margin-left: 0;
        order: 0; /* 窄屏放回顶部 */
    }
    .mod-filter-bar { flex: 1 1 100%; }
}