* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    height: 100dvh;
    font-family:
        "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
    font-size: 14px;
    font-weight: 400;
    background: #0b1220;
    color: #e2e8f0;
    /* 移动端点按高亮块去除, 文字渲染更细腻 (不支持的浏览器自动忽略) */
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
}

/* 文字选中色: 与主题蓝一致 */
::selection {
    background: rgba(37, 99, 235, 0.45);
    color: #f8fafc;
}

/* 内联 SVG 图标: 不依赖系统字体, 随文字颜色自动变色 */
.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* 侧栏/顶栏 logo: 渐变徽标块 */
.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.icon-box .icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

/* 图标尺寸统一: 页头 16px, 按钮内 15px, 其余随文字 1em */
.page1-header .icon,
.card-header .icon {
    width: 16px;
    height: 16px;
}

.btn .icon {
    width: 15px;
    height: 15px;
}

/* 状态色点: 替代 emoji 圆点, 颜色跨平台一致 */
.dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 6px;
    background: #94a3b8;
    vertical-align: 1px;
}

.dot.ok {
    background: #22c55e;
}
.dot.warn {
    background: #eab308;
}
.dot.err {
    background: #ef4444;
}
.dot.info {
    background: #3b82f6;
}

#loading-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 9999;
    background: rgba(11, 18, 32, 0.88);
    /* 毛玻璃效果 (老浏览器自动忽略, 回退为半透明深色) */
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.loading-dot {
    width: 24px;
    height: 24px;
    border: 3px solid #475569;
    border-top-color: #38bdf8;
    border-radius: 50%;
    animation: loading-spin 1s linear infinite;
}

.loading-text {
    color: #94a3b8;
    font-size: 14px;
}

@keyframes loading-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* 主布局 */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
}

/* 标题栏 */
.topbar {
    height: 64px;
    flex-shrink: 0; /* 防止 flex 布局挤压裁切标题栏 */
    background: linear-gradient(180deg, #1f2937, #111827);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
}

.device {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 12px;
}

.device .icon {
    width: 20px;
    height: 20px;
}

.device-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.title-line {
    line-height: 1.3;
}

.title-line .title {
    font-size: 15px;
    font-weight: 600;
    color: #e2e8f0;
    letter-spacing: 0.5px;
}

.imei-line {
    line-height: 1.3;
}

#imei-value {
    font-family: ui-monospace, monospace;
    font-size: 15px;
    color: #94a3b8;
}

.actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 16px;
}

.clock {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;

    background: linear-gradient(90deg, #00e5ff, #2196ff, #00ffcc);

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    background-clip: text;

    text-shadow:
        0 0 6px rgba(0, 229, 255, 0.6),
        0 0 12px rgba(33, 150, 255, 0.5);
}

/* 次布局 */
.layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 左侧栏 */
.sidebar {
    width: 150px;
    background: #0f172a;
    border-right: 1px solid rgba(148, 163, 184, 0.12);
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 22px 12px;
    /* 兜底: 窗口高度不足时侧栏自身滚动, 不会把底部"重启/退出"裁掉 */
    overflow-y: auto;
    overscroll-behavior: contain;
}

.sidebar-actions {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.action-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: #94a3b8;
    font-size: 15px;
    font-weight: 500;
    transition: 0.2s;
    white-space: nowrap;
}

.action-item:hover {
    background: #1e293b;
    color: white;
}

.action-reboot .action-logout {
    color: #94a3b8;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 12px;
    border-radius: 6px;
    cursor: pointer;
    color: #94a3b8;
    font-size: 15px;
    font-weight: 500;
    transition: 0.2s;
    white-space: nowrap;
}

/* 菜单/动作项图标: 统一 18px, 保证清晰可辨 */
.menu-item .icon,
.action-item .icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.menu-item:hover {
    background: #1e293b;
    color: white;
}

.menu-item.active {
    background: #2563eb;
    color: white;
}

/* 页容器 */
.view {
    flex: 1;
    padding: 6px;
    overflow: auto;
    background: #0f172a;
}

/* 动态页面片段自带的 .app 容器: 高度按视口区域自适应, 避免出现多余滚动 */
#view .app {
    height: 100%;
}

/* 页风格 */
.card {
    background: #0f172a;
    border: 1px solid #1f2937;
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-header h2 {
    font-size: 14px;
    font-weight: 500;
    color: #e2e8f0;
    margin: 0;
}

.output {
    background: #020617;
    border: 1px solid #1f2937;
    border-radius: 4px;
    padding: 8px;
    font-size: 12px;
    font-family: ui-monospace, Consolas, monospace;
    color: #cbd5e1;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.6;
    /* 内阴影: 让日志/输出区呈现"凹陷"层次 */
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.45);
}

h1 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #e2e8f0;
}

p {
    font-size: 15px;
    color: #94a3b8;
}

/* 日志区 */
.log-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.log-card .output {
    flex: 1;
    min-height: 0;
}

.log-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.log-level-select {
    background: #0f172a;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 4px;
    color: #e5e7eb;
    font-size: 14px;
    padding: 6px 8px;
    height: 35px;
    min-width: 80px;
    cursor: pointer;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.log-level-select:hover {
    border-color: rgba(148, 163, 184, 0.45);
}

.log-level-select:focus {
    border-color: #3b82f6;
}

.log-card .output {
    padding-bottom: 32px;
}

/* 日志色 */
.log-trace {
    color: #38bdf8;
}

.log-debug {
    color: #38bdf8;
}

.log-info {
    color: #38bdf8;
}

.log-warn {
    color: #fbbf24;
}

.log-error {
    color: #fb7185;
}

.log-fatal {
    color: #ef4444;
    font-weight: bold;
}

.log-panic {
    color: #c084fc;
    font-weight: bold;
}

.log-default {
    color: #38bdf8;
}

/* ================= 界面美化增强 ================= */

/* 页面背景与卡片形成层次: 视图区更深, 卡片浮起 */
.view {
    background: #0b1220;
}

.card,
.page1 .page1-card {
    border-radius: 6px;
    border-color: #24314a;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

/* 卡片悬停轻微上浮 */
.page1 .page1-card {
    transition:
        box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.page1 .page1-card:hover {
    border-color: #334564;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45);
}

/* 菜单项激活态: 渐变背景 + 光晕 */
.menu-item.active {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.45);
}

/* 菜单/动作项 hover 左侧指示条 */
.menu-item,
.action-item {
    position: relative;
    border-left: 3px solid transparent;
}

.menu-item:hover,
.action-item:hover {
    border-left-color: #475569;
}

.menu-item.active {
    border-left-color: #60a5fa;
}

/* 按钮悬停微抬升 (老浏览器自动忽略) */
.btn {
    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        transform 0.15s ease,
        box-shadow 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
    box-shadow: none;
}

/* 状态点: 错误状态呼吸提示 */
@keyframes dot-pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.45;
    }
}

.dot.err {
    animation: dot-pulse 1.2s ease-in-out infinite;
}

/* 滚动条美化 (WebKit 内核; IE/Firefox 自动忽略) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* 输入控件聚焦一致的高亮 */
input:focus,
select:focus,
textarea:focus {
    border-color: #3b82f6;
    outline: none;
}

/* 页面切换淡入过渡: 消除切换时的生硬跳变 (老浏览器自动忽略) */
@keyframes view-fade {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#view > .app,
#view > .page1 {
    animation: view-fade 0.2s ease;
}

/* 键盘导航可达性: 菜单/动作项聚焦高亮 */
.menu-item:focus-visible,
.action-item:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: -2px;
}

/* 侧栏宽度: 确保四个字菜单单行显示 */
.sidebar {
    flex-shrink: 0;
}

.menu-item,
.action-item {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ================= 紧凑布局（手机竖屏 / 手机横屏 / 矮窗口）=================
   触发条件只做"或"判断, 不叠加 orientation、不设宽度上限, 杜绝"两边都不命中"的盲区:
   1. 宽度 ≤768px —— 手机竖屏、平板竖屏、窄窗口
   2. 高度 ≤600px —— 手机横屏(典型 360~430px)、矮窗口
      依据: 竖向侧栏(8 项菜单 + 底部 2 项操作)实测约需 541px, 加上 64px 顶栏约 605px,
      视口高度低于 600px 时竖排侧栏必然放不下
   横屏不再单独成一套规则 —— 横竖屏走完全相同的代码路径, 只重算宽度, 行为可预期 */
@media (max-width: 768px), (max-height: 600px) {
    /* 顶栏: 单行紧凑布局。
       flex-shrink:0 防止内容超高时标题栏被 flex 压缩裁切(窄屏遮挡问题的根因);
       标题/IMEI 单行省略, 不再换行撑高标题栏;
       env(safe-area-inset-top) 兼容刘海屏/全面屏安全区 */
    .topbar {
        height: auto;
        min-height: 50px;
        flex-shrink: 0;
        /* 内容实测 39px(标题+IMEI 两行), 上下各 5px => 恰好 50px;
           换成固定 height 会在系统大字号时裁切文字, 所以用 min-height 定下限 */
        padding: 5px 10px;
        padding-top: max(5px, env(safe-area-inset-top));
        position: relative;
        z-index: 20;
    }

    .device {
        flex: 1;
        min-width: 0;
        margin-left: 8px;
    }

    .device .icon-box {
        width: 28px;
        height: 28px;
        border-radius: 6px;
    }

    .device .icon {
        width: 16px;
        height: 16px;
    }

    .device-info {
        min-width: 0;
    }

    .title-line,
    .imei-line {
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

    .title {
        font-size: 14px;
    }

    .imei-line {
        font-size: 11px;
    }

    .actions {
        margin-right: 10px;
        flex-shrink: 0;
    }

    .clock {
        font-size: 12px;
    }

    /* 侧栏: 变为顶部横向滚动导航, 固定高度不参与压缩。
       .layout 必须保持 overflow:hidden —— 外壳始终等于视口高度,
       页面绝不出现"文档级滚动"(移动端地址栏收放时最容易错位的那种滚动),
       滚动只发生在下面的 #view 里, 这是整个紧凑布局稳定性的关键 */
    .layout {
        flex-direction: column;
        overflow: hidden;
    }

    .sidebar {
        width: 100%;
        flex-shrink: 0;
        flex-direction: row;
        align-items: center;
        padding: 6px 8px;
        border-right: none;
        border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        overflow-x: auto;
        overflow-y: hidden;
        gap: 4px;
        -webkit-overflow-scrolling: touch;
    }

    .sidebar .sidebar-actions {
        margin-top: 0;
        margin-left: auto;
        padding-top: 0;
        border-top: none;
        flex-direction: row;
        gap: 4px;
        flex-shrink: 0;
    }

    .menu-item,
    .action-item {
        flex-shrink: 0;
        padding: 8px 10px;
        font-size: 13px;
        gap: 6px;
        border-left: none;
    }

    .menu-item .icon,
    .action-item .icon {
        width: 16px;
        height: 16px;
    }

    .menu-item.active {
        box-shadow: none;
    }

    /* 内容区: 全站唯一的滚动容器。
       flex:1 撑满顶栏与导航之外的剩余高度; min-height:0 让它在内容超高时真的能滚动
       (缺了它, flex 子项的自动最小高度会把外壳顶高, 又退回文档级滚动) */
    .view {
        padding: 4px;
    }

    #view {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* 页面片段根容器: 高度随内容自然撑开, 不再各自套一层滚动, 避免嵌套滚动的各种怪象 */
    #view .app {
        height: auto;
        min-height: 0;
    }

    /* page1 根容器不叫 .app 且固定 100% 高, 同样放开, 让卡片随内容撑开 */
    #view > .page1 {
        height: auto;
        min-height: 100%;
    }

    /* 终端页例外: xterm 依赖明确的容器高度计算行列, 必须占满可视区域 */
    #view > .app-terminal {
        height: 100%;
        min-height: 0;
    }

    /* iOS 聚焦输入类控件时若字号 <16px 会自动放大页面, 统一提到 16px 规避 */
    .log-level-select {
        font-size: 16px;
    }
}

/* ================= 矮屏微调（手机横屏等, 高度 ≤600px）=================
   横屏可用高度只有 360~430px, 这里只做"省空间"一件事: 压缩顶栏与导航占用的高度,
   把空间让给内容。**滚动方式完全不变**——依旧由 #view 内部滚动,
   与竖屏是同一套逻辑, 所以横竖屏切换不会出现"能显示但不能滚"的割裂状态 */
@media (max-height: 600px) {
    .topbar {
        min-height: 44px;
        padding-top: max(5px, env(safe-area-inset-top));
        padding-bottom: 5px;
        /* 横屏时刘海位于左右两侧 */
        padding-left: max(10px, env(safe-area-inset-left));
        padding-right: max(10px, env(safe-area-inset-right));
    }

    .device .icon-box {
        width: 24px;
        height: 24px;
        border-radius: 5px;
    }

    .device .icon {
        width: 14px;
        height: 14px;
    }

    .sidebar {
        padding: 4px 8px;
        padding-left: max(8px, env(safe-area-inset-left));
        padding-right: max(8px, env(safe-area-inset-right));
    }

    .menu-item,
    .action-item {
        padding: 6px 10px;
    }
}