/**
 * ROS Web 主样式
 * 定义全局变量、基础样式和布局
 */

/* CSS 变量 */
:root {
    /* 主色调 */
    --primary-color: #4ecdc4;
    --primary-hover: #3dbdb5;
    --primary-active: #2eada5;
    
    /* 背景色 */
    --bg-dark: #1a1a1a;
    --bg-panel: rgba(45, 45, 45, 0.95);
    --bg-card: rgba(60, 60, 60, 0.9);
    --bg-hover: rgba(255, 255, 255, 0.1);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;
    
    /* 状态色 */
    --success: #4ecdc4;
    --warning: #ffd93d;
    --error: #ff6b6b;
    --info: #74b9ff;
    
    /* 边框 */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    
    /* 尺寸：三栏布局（左栏 / 底栏净空 / 右浮层），平板用 clamp 流体缩放 */
    --sidebar-width: 0px; /* 侧栏已改顶栏，保留变量兼容旧选择器 */
    --topbar-height: 56px;
    --media-rail-width: clamp(260px, 22vw, 320px);
    /* 与狗上 2D 一致：常见屏 ≤2000 为 300px */
    --control-panel-width: 300px;
    --bottom-bar-clearance: 64px;
    --right-rail-gap: 12px;
    --touch-target: 44px;
    
    /* 动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* 全局滚动条（与航点审查一致：深色轨 + 青色滑块） */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(78, 205, 196, 0.38) rgba(255, 255, 255, 0.06);
}

*::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

*::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.22);
    border-radius: 6px;
}

*::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(78, 205, 196, 0.48), rgba(78, 205, 196, 0.22));
    border-radius: 6px;
}

*::-webkit-scrollbar_corner {
    background: transparent;
}

*::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 205, 196, 0.58);
}

/* 重置样式 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 
                 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 主布局：顶栏 + 下方工作区 */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    height: 100dvh;
    max-height: 100dvh;
    width: 100%;
    width: 100vw;
    overflow: hidden;
}

.app-workspace {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: row;
    overflow: hidden;
}

/* 顶部导航（原第一侧栏） */
.app-topbar.sidebar,
.sidebar.app-topbar {
    width: 100%;
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background-color: var(--bg-panel);
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0 16px;
    gap: 20px;
    z-index: 200;
    flex-shrink: 0;
    overflow: visible;
    border-bottom: 1px solid var(--border-color);
    box-sizing: border-box;
}

.app-topbar__brand {
    flex-shrink: 0;
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
    line-height: 1.2;
    user-select: none;
}

.app-topbar__nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
}

.app-topbar__nav::-webkit-scrollbar {
    display: none;
}

.sidebar-btn {
    height: 40px;
    min-width: 64px;
    padding: 4px 12px;
    border-radius: 8px;
    border: none;
    background-color: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
}

.sidebar-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-btn.active {
    background-color: rgba(78, 205, 196, 0.14);
    color: var(--primary-color);
}

.sidebar-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-btn > span {
    line-height: 1;
}

/* 主内容区 */
.main-content {
    flex: 1;
    position: relative;
    background-color: #2a2a2a;
    overflow: hidden;
    min-width: 0;
}

/* 3D 视图区域 */
.viewer-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

.viewer-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    touch-action: none; /* 避免浏览器抢占双指/三指，交给 TouchGesture + OrbitControls */
}

.robot-light-overlay {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    pointer-events: none;
    contain: layout paint;
    will-change: transform;
}

.robot-light-overlay::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 1);
    pointer-events: none;
    opacity: 0;
    transform: scale(0.08);
    will-change: transform, opacity;
    animation: robot-light-wave 2.6s linear infinite;
}

@keyframes robot-light-wave {
    0% {
        transform: scale(0.08);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    76% {
        opacity: 0.82;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .robot-light-overlay::before {
        animation-duration: 5.2s;
    }
}

/* 右侧控制面板：悬浮叠卡片（fixed，盖在地图上，不占三栏宽度） */
.control-panel,
.control-panel.app-right-rail {
    position: fixed;
    top: calc(var(--topbar-height) + 12px);
    right: 12px;
    bottom: auto;
    left: auto;
    width: var(--control-panel-width);
    min-width: 0;
    max-width: var(--control-panel-width);
    height: auto;
    max-height: calc(100dvh - var(--topbar-height) - 24px);
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
    z-index: 400;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0;
    box-sizing: border-box;
    pointer-events: auto;
    transform: none;
    background: transparent;
    border: none;
    border-left: none;
    box-shadow: none;
    border-radius: 0;
    -webkit-overflow-scrolling: touch;
}

.control-panel > * {
    pointer-events: auto;
    flex-shrink: 0;
}

/* 任务监控占满剩余高度并可收缩，内部自行滚动 */
.control-panel > .tm-rail-card,
.control-panel > #tm-float-panel {
    flex: 1 1 auto;
    flex-shrink: 1;
    min-height: 100px;
}

.control-panel .card {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
}

/* 右栏字号/控件：对齐狗上 2D 现网密度 */
.control-panel .mode-btn {
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 500;
    min-height: 0;
}

.control-panel .layer-popover-btn {
    min-width: 48px;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 600;
}

.control-panel .card-title,
.control-panel .launch-stack-card__label,
.control-panel .tm-float-title {
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
}

.control-panel .launch-stack-actions--grid {
    gap: 6px;
}

.control-panel .launch-stack-actions--grid .robot-quick-action-btn,
.control-panel .robot-quick-action-btn {
    padding: 8px 8px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 10px;
    letter-spacing: 0.01em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
    min-height: 0;
}

.control-panel .status-label {
    font-size: 10px;
}

.control-panel .status-value {
    font-size: 12px;
}

.control-panel .robot-status-strip #robot-task-status,
.control-panel .robot-status-strip__bat {
    font-size: 12px;
}

.control-panel .tm-status,
.control-panel .tm-progress-text,
.control-panel .tm-empty {
    font-size: 11px;
}

/* 左侧栏：视频 + 检测/机器（可滚）+ 底固定遥控 */
.c12-media-rail,
.c12-media-rail.app-left-rail {
    position: relative;
    width: var(--media-rail-width);
    min-width: min(var(--media-rail-width), 42vw);
    max-width: var(--media-rail-width);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
    z-index: 90;
    overflow: hidden;
    padding: 8px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    box-sizing: border-box;
}

/* 视频+检测+机器可滚；遥控钉在左栏底，避免平板裁切 */
.c12-rail-main {
    flex: 1 1 auto;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    -webkit-overflow-scrolling: touch;
}

.c12-rail-joy-section {
    flex: 0 0 auto;
    margin-top: 0;
    padding: 6px 4px 8px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-panel);
    z-index: 2;
}

.c12-rail-joy-section .c12-rail-section__title {
    text-align: center;
    margin-bottom: 2px;
}

.c12-media-rail--empty {
    display: flex;
}

.c12-rail-previews {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 0 0 auto;
    min-height: 0;
}

.c12-rail-controls {
    flex: 0 0 auto;
    min-height: 0;
    overflow: visible;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-right: 2px;
}

.c12-rail-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.c12-rail-section__title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    text-transform: none;
    padding: 0 2px;
}

.c12-rail-detect-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.c12-rail-detect-group .c12-detect-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin: 0;
    padding: 8px 4px;
    min-height: 34px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
}

.c12-rail-detect-group .c12-detect-toggle input {
    width: 14px;
    height: 14px;
    margin: 0;
    flex-shrink: 0;
}

.c12-rail-detect-group .c12-detect-toggle:has(input:checked) {
    color: var(--primary-color);
    border-color: rgba(78, 205, 196, 0.45);
    background: rgba(78, 205, 196, 0.12);
}

/* 侧栏内：对齐 2D camera-thumb（画面叠标签，无厚重标题栏） */
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) {
    pointer-events: auto;
    position: relative !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    width: 100%;
    max-width: none;
    flex: 0 0 auto;
    min-height: 0;
    height: auto;
    margin: 0;
    transform: none !important;
    display: block !important;
    border-radius: var(--border-radius-sm);
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    box-shadow: none;
    z-index: auto;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating):hover {
    border-color: var(--primary-color);
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-media-card__head {
    position: absolute !important;
    inset: 0;
    display: flex !important;
    align-items: flex-start;
    justify-content: space-between;
    gap: 4px;
    width: 100%;
    box-sizing: border-box;
    min-height: 0 !important;
    height: auto !important;
    padding: 4px 4px 4px 6px !important;
    background: transparent !important;
    border-bottom: none !important;
    pointer-events: none;
    z-index: 3;
    overflow: visible;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-panel-title {
    display: flex !important;
    align-items: flex-start;
    gap: 4px;
    min-width: 0;
    flex: 1 1 auto;
    overflow: visible;
    pointer-events: none;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-media-card__icon {
    display: none !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-media-card__title {
    font-size: 10px !important;
    font-weight: 500 !important;
    line-height: 1.2;
    letter-spacing: 0;
    color: #fff !important;
    background: rgba(0, 0, 0, 0.65);
    padding: 1px 6px;
    border-radius: 4px;
    max-width: none;
}

/* 状态：叠在画面右下角（同 2D camera-thumb-status） */
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-status {
    display: inline-flex !important;
    align-items: center;
    position: absolute !important;
    top: auto !important;
    left: auto !important;
    right: 6px !important;
    bottom: 4px !important;
    flex-shrink: 0;
    font-size: 9px !important;
    font-weight: 500 !important;
    line-height: 1;
    padding: 1px 5px !important;
    max-width: 7em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.65) !important;
    color: var(--text-secondary) !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-status.is-online {
    color: var(--primary-color) !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-status.is-error {
    color: var(--error) !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-media-card__foot {
    display: none !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-panel-actions {
    pointer-events: auto;
    margin: 0;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 2px;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-panel-btn,
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-stream-toggle-btn,
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-enlarge-btn {
    width: 22px !important;
    height: 22px !important;
    min-width: 22px !important;
    min-height: 22px !important;
    border-radius: 4px !important;
    background: rgba(0, 0, 0, 0.55) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
    color: #fff !important;
    flex-shrink: 0;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
    box-sizing: border-box;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-panel-btn svg,
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-enlarge-btn svg {
    width: 12px !important;
    height: 12px !important;
    display: block;
    flex-shrink: 0;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-enlarge-btn:hover,
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-enlarge-btn:active,
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-panel-btn:hover {
    background: rgba(78, 205, 196, 0.28) !important;
    border-color: rgba(78, 205, 196, 0.45) !important;
    color: var(--primary-color) !important;
}

/* 放大弹窗：可拖动独立窗（定位用 left/top，不用 transform，便于拖拽） */
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating,
.video-panel.c12-media-card.floating {
    position: fixed !important;
    right: auto !important;
    bottom: auto !important;
    width: min(720px, 72vw) !important;
    max-width: 92vw !important;
    max-height: min(78vh, 560px) !important;
    transform: none !important;
    z-index: 12000 !important;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex !important;
    flex-direction: column;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating .c12-media-card__head,
.video-panel.c12-media-card.floating .c12-media-card__head {
    position: relative;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 36px;
    padding: 8px 10px !important;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    cursor: move;
    touch-action: none;
    user-select: none;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating .video-panel-title,
.video-panel.c12-media-card.floating .video-panel-title {
    display: flex !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating .video-status,
.video-panel.c12-media-card.floating .video-status {
    display: inline-flex !important;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating .c12-media-card__foot,
.video-panel.c12-media-card.floating .c12-media-card__foot {
    display: flex !important;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    cursor: move;
    touch-action: none;
    user-select: none;
    pointer-events: auto;
}

.video-panel.c12-media-card.floating.video-panel-dragging {
    z-index: 12050 !important;
}

/* 可见光变焦：叠在画面左下角，侧栏缩略图与放大窗均可点 */
.c12-video-panel-dock-visible {
    position: relative;
}

.c12-zoom-bar {
    position: absolute;
    left: 6px;
    bottom: 34px;
    z-index: 5;
    display: flex;
    flex-shrink: 0;
    padding: 2px;
    background: rgba(8, 12, 18, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    pointer-events: auto;
    touch-action: manipulation;
    cursor: default;
    backdrop-filter: blur(6px);
}

.video-panel.c12-media-card.floating .c12-zoom-bar {
    left: 10px;
    bottom: 42px;
    padding: 4px;
}

.c12-zoom-controls {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 4px;
    pointer-events: auto;
    touch-action: manipulation;
}

.c12-zoom-btn {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.92);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    pointer-events: auto;
    position: relative;
    z-index: 8;
    transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}

.video-panel.c12-media-card.floating .c12-zoom-btn {
    width: 36px;
    height: 36px;
    font-size: 20px;
}

.c12-zoom-btn:hover {
    border-color: rgba(78, 205, 196, 0.45);
    color: var(--primary-color);
}

.c12-zoom-btn.is-active,
.c12-zoom-btn:active {
    border-color: rgba(78, 205, 196, 0.65);
    color: var(--primary-color);
    background: rgba(78, 205, 196, 0.12);
}

/* 红外放大窗：伪色彩折叠菜单，仅 floating 时显示 */
.c12-video-panel-dock-thermal {
    position: relative;
}

.c12-palette-dropdown {
    display: none;
    position: absolute;
    left: 10px;
    bottom: 42px;
    z-index: 8;
    pointer-events: auto;
    touch-action: manipulation;
}

.video-panel.c12-media-card.floating .c12-palette-dropdown {
    display: block;
}

.c12-palette-trigger {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 36px;
    padding: 0 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(8, 12, 18, 0.78);
    color: rgba(255, 255, 255, 0.92);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    user-select: none;
    backdrop-filter: blur(6px);
}

.c12-palette-trigger:hover,
.c12-palette-trigger[aria-expanded="true"] {
    border-color: rgba(78, 205, 196, 0.55);
    color: var(--primary-color);
}

.c12-palette-chevron {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    opacity: 0.8;
    transition: transform 0.15s ease;
}

.c12-palette-trigger[aria-expanded="true"] .c12-palette-chevron {
    transform: rotate(180deg);
}

.c12-palette-panel {
    position: absolute;
    left: 0;
    bottom: calc(100% + 8px);
    min-width: 148px;
    max-height: min(52vh, 420px);
    overflow-y: auto;
    padding: 6px;
    background-color: #2d2d2d;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.c12-palette-panel.hidden {
    display: none;
}

.c12-palette-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
}

.c12-palette-item::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: currentColor;
    opacity: 0.7;
}

.c12-palette-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.c12-palette-item.active,
.c12-palette-item.is-busy {
    background-color: rgba(78, 205, 196, 0.16);
    color: var(--primary-color);
}

.c12-palette-item[data-palette="white_hot"]::before { background: #f2f2f2; }
.c12-palette-item[data-palette="sepia"]::before { background: #c4a574; }
.c12-palette-item[data-palette="ironbow"]::before { background: #ff6a2b; }
.c12-palette-item[data-palette="rainbow"]::before { background: #5b8cff; }
.c12-palette-item[data-palette="night"]::before { background: #3ad39a; }
.c12-palette-item[data-palette="aurora"]::before { background: #7ef0d2; }
.c12-palette-item[data-palette="red_hot"]::before { background: #ff4d4d; }
.c12-palette-item[data-palette="jungle"]::before { background: #7cb342; }
.c12-palette-item[data-palette="medical"]::before { background: #9b8cff; }
.c12-palette-item[data-palette="black_hot"]::before { background: #222; box-shadow: 0 0 0 1px rgba(255,255,255,0.35); }
.c12-palette-item[data-palette="glory_hot"]::before { background: #ffd54f; }

.video-panel.c12-media-card.floating .c12-media-card__foot {
    flex-wrap: wrap;
    align-items: center;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card.floating .video-panel-body.video-panel-body-c12-single {
    max-height: min(56vh, 420px);
    aspect-ratio: 16 / 9;
    height: auto;
    flex: 1 1 auto;
}

.c12-media-rail .c12-video-float-btn,
.c12-media-rail .c12-webrtc-pane-label,
.c12-media-rail .video-panel-btn[id^="video-close-btn"] {
    display: none !important;
}

.c12-media-rail .c12-video-enlarge-btn {
    display: inline-flex !important;
    color: var(--text-secondary);
}

.c12-media-rail .video-panel.floating .c12-video-enlarge-btn {
    color: var(--primary-color);
    background: transparent;
}

.c12-media-card__head {
    padding: 6px 8px !important;
    background: transparent;
    min-height: 32px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
}

.c12-media-card__icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--text-secondary);
    display: block;
}

.c12-media-card__title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.c12-media-rail .video-panel-title {
    gap: 5px;
    min-width: 0;
    flex: 1;
}

.c12-media-rail .video-status {
    font-size: 9px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: var(--border-radius-full);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    flex-shrink: 0;
    line-height: 1;
}

.video-panel-btn svg {
    width: 14px;
    height: 14px;
    display: block;
    flex-shrink: 0;
}

.c12-media-rail .video-status.is-online {
    background: rgba(78, 205, 196, 0.18);
    color: var(--primary-color);
}

.c12-media-rail .video-status.is-busy {
    background: rgba(116, 185, 255, 0.18);
    color: var(--info);
}

.c12-media-rail .video-status.is-error {
    background: rgba(255, 107, 107, 0.18);
    color: var(--error);
}

/* 预览卡：铺满 thumb 画幅（对齐 2D camera-thumb） */
.c12-media-rail .c12-rail-previews .video-panel-body.video-panel-body-c12-single {
    position: absolute !important;
    inset: 0 !important;
    flex: none !important;
    aspect-ratio: auto !important;
    width: 100% !important;
    height: 100% !important;
    max-height: none !important;
    min-height: 0 !important;
    background: #000;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .video-placeholder {
    font-size: 10px !important;
    font-weight: 400;
    line-height: 1.35;
    padding: 10px 8px;
    text-align: center;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.45);
    word-break: break-word;
}

.c12-media-rail .c12-rail-previews .video-panel-body.video-panel-body-c12-single .c12-webrtc-feed-root,
.c12-media-rail .c12-rail-previews .video-panel-body.video-panel-body-c12-single .c12-stream-row.c12-webrtc-slot,
.c12-media-rail .c12-rail-previews .video-panel-body.video-panel-body-c12-single .c12-webrtc-video-wrap {
    min-height: 0;
    max-height: none;
    height: 100%;
}

.c12-media-rail .c12-media-card__foot {
    flex-shrink: 0;
}

.c12-media-rail .c12-webrtc-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: #000;
}

.c12-media-card__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 4px 8px 6px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.15);
}

.c12-media-card__conn {
    font-size: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.c12-media-card__res {
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

/* 全宽底侧栏：贴底条带（图二样式），工具逻辑不变
   折叠菜单仍用 fixed，避免被滚动/裁切 */
.main-content .toolbar.toolbar--bottom.app-bottom-dock,
.main-content .toolbar.toolbar--bottom {
    position: absolute;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    margin: 0;
    transform: none;
    width: 100%;
    max-width: none;
    z-index: 110;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    min-height: var(--bottom-bar-clearance);
    height: auto;
    box-sizing: border-box;
    background-color: #252525;
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.28);
    overflow: visible;
}

.app-bottom-dock__inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    justify-content: safe center;
    flex-wrap: nowrap;
    gap: 8px;
    width: 100%;
    min-height: 58px;
    padding: 6px 12px;
    box-sizing: border-box;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.main-content .toolbar.toolbar--bottom .toolbar-collapsible-section,
.main-content .toolbar.toolbar--bottom .toolbar-group,
.main-content .toolbar.toolbar--bottom .toolbar-section-body {
    justify-content: center;
}

/* 导航会话第二行：终止/暂停/继续，出现时自动占满下一层 */
.toolbar-nav-session {
    display: none;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 8px;
    width: 100%;
    margin: 0;
    padding: 4px 8px 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.18);
}

.toolbar.toolbar--bottom.has-nav-session .toolbar-nav-session,
.toolbar-nav-session.is-active {
    display: flex;
}

.toolbar.toolbar--bottom.has-nav-session {
    min-height: calc(var(--bottom-bar-clearance) + 46px);
}

.toolbar-nav-session .toolbar-btn {
    min-width: 72px;
}

/* 底栏文字完整显示，不够宽时横向滚动，避免「导航…」截断 */
.main-content .toolbar.toolbar--bottom.toolbar--compact .toolbar-btn {
    min-width: 52px;
    padding: 5px 6px;
    font-size: 11px;
    gap: 2px;
}

.main-content .toolbar.toolbar--bottom.toolbar--compact .toolbar-btn > span:not(.toolbar-dropdown-trigger-row) {
    max-width: none;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
}

.main-content .toolbar.toolbar--bottom.toolbar--compact .toolbar-btn svg,
.main-content .toolbar.toolbar--bottom.toolbar--compact .toolbar-dropdown-trigger .toolbar-dropdown-main-icon {
    width: 20px;
    height: 20px;
}

.main-content .toolbar.toolbar--bottom .toolbar-collapsible-section {
    flex-shrink: 0;
    overflow: visible;
}

.main-content .toolbar.toolbar--bottom .toolbar-group,
.main-content .toolbar.toolbar--bottom .toolbar-section-body,
.main-content .toolbar.toolbar--bottom .toolbar-dropdown {
    flex-wrap: nowrap;
    flex-shrink: 0;
    align-items: center;
    overflow: visible !important;
    max-width: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.main-content .toolbar.toolbar--bottom .toolbar-btn {
    flex-shrink: 0;
    overflow: visible;
}

.main-content .toolbar.toolbar--bottom .toolbar-btn svg {
    display: block;
    flex-shrink: 0;
    overflow: visible;
}

.main-content .toolbar.toolbar--bottom .toolbar-section-toggle {
    display: none;
}

.main-content .toolbar.toolbar--bottom .toolbar-collapsible-section.collapsed .toolbar-section-body {
    display: flex !important;
    overflow: visible !important;
    max-width: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    gap: var(--spacing-xs);
}

.main-content .toolbar.toolbar--bottom .toolbar-divider {
    flex-shrink: 0;
    align-self: center;
    height: 28px;
    margin: 0 6px;
    background-color: rgba(255, 255, 255, 0.14);
}

/* 底栏菜单向上弹出；fixed 避免被父级裁切，位置由 JS 锚定触发按钮 */
.main-content .toolbar.toolbar--bottom .toolbar-dropdown-panel {
    position: fixed;
    top: auto;
    left: 0;
    bottom: auto;
    z-index: 13000;
    min-width: 158px;
}

.main-content .toolbar.toolbar--bottom .localization-status-bar {
    order: -1;
    flex-shrink: 0;
}

/* 左栏：视图 / 系统 */
.c12-rail-view-tools {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    align-items: stretch;
}

.c12-rail-view-tools > .toolbar-btn,
.c12-rail-view-tools .toolbar-dropdown-trigger {
    width: 100%;
    min-width: 0;
    min-height: 40px;
    padding: 5px 2px !important;
    font-size: 10px !important;
    gap: 2px !important;
    line-height: 1.1;
}

.c12-rail-view-tools .toolbar-btn svg,
.c12-rail-view-tools .toolbar-dropdown-main-icon {
    width: 16px !important;
    height: 16px !important;
}

.c12-rail-view-tools .toolbar-dropdown-chevron {
    width: 9px !important;
    height: 9px !important;
}

.c12-rail-view-tools .toolbar-btn > span:not(.toolbar-dropdown-trigger-row) {
    max-width: none;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
    font-size: inherit;
}

.c12-rail-system-dropdown {
    position: relative;
    display: flex;
    min-width: 0;
}

.c12-media-rail .toolbar-dropdown-panel,
.c12-rail-system-dropdown .toolbar-dropdown-panel {
    position: fixed;
    z-index: 13000;
    min-width: 158px;
}

/* 第二侧栏：机器按钮（触控友好，避免过小） */
.c12-media-rail .c12-rail-robot .toolbar-btn,
.c12-media-rail #c12-rail-robot .toolbar-btn {
    padding: 6px 2px !important;
    min-height: 40px;
    font-size: 11px !important;
    gap: 2px !important;
    line-height: 1.15;
}

.c12-media-rail .c12-rail-robot .toolbar-btn svg,
.c12-media-rail #c12-rail-robot .toolbar-btn svg {
    width: 18px !important;
    height: 18px !important;
}

.c12-media-rail .c12-rail-robot .toolbar-btn > span:not(.rcb-dropdown-trigger-row) {
    max-width: none;
    overflow: visible;
    text-overflow: clip;
    white-space: nowrap;
    font-size: inherit;
}

.c12-media-rail .c12-rail-robot .toolbar-group,
.c12-media-rail #c12-rail-robot .toolbar-group {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 5px !important;
}

/* 第二侧栏内双摇杆（取消地图浮层定位） */
.c12-media-rail #velocity-control-card,
.c12-media-rail .c12-rail-joy-card {
    position: relative !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    bottom: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: none !important;
    height: auto !important;
    z-index: auto !important;
    margin: 0 auto !important;
    padding: 8px 6px !important;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    overflow: visible !important;
    display: flex !important;
    justify-content: center;
    align-items: center;
}

.c12-media-rail #velocity-control-card .velocity-gimbal-wrap {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
    gap: 20px;
    width: auto;
    max-width: 100%;
    margin: 0 auto;
}

.c12-media-rail #velocity-control-card .speed-control {
    flex: 0 0 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.c12-media-rail #velocity-control-card .speed-readout {
    font-size: 10px;
    justify-content: center;
    min-height: 14px;
    line-height: 1.2;
    white-space: nowrap;
}

.c12-media-rail #velocity-control-card .wheel-wrapper,
.c12-media-rail #velocity-control-card .c12-ptz-joystick-wrap {
    width: 88px !important;
    height: 88px !important;
}

.c12-media-rail #velocity-control-card .joystick-base,
.c12-media-rail #velocity-control-card .c12-ptz-joystick-base {
    width: 88px !important;
    height: 88px !important;
}

.c12-media-rail #velocity-control-card .joystick-knob,
.c12-media-rail #velocity-control-card .c12-ptz-joystick-knob {
    width: 36px !important;
    height: 36px !important;
}

.c12-media-rail #velocity-control-card .c12-gimbal-sidebar {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

.c12-media-rail #velocity-control-card .c12-gimbal-label {
    font-size: 10px;
    color: var(--text-secondary);
    min-height: 14px;
    line-height: 1.2;
    text-align: center;
}

.c12-media-rail #velocity-control-card .wheel-container {
    display: flex;
    justify-content: center;
    margin: 0;
}

/* 视频卡片（侧栏内 / 兼容旧浮层类名） */
.video-panel {
    position: absolute;
    right: var(--spacing-lg);
    bottom: calc(var(--spacing-lg) + 140px);
    width: min(420px, 42vw);
    max-width: 90vw;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 60;
}

.video-panel.hidden {
    display: none;
}

.video-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.video-panel-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.video-status {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    background: rgba(255, 255, 255, 0.08);
}

.video-panel-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.video-panel-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
}

.video-panel-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.c12-stream-toggle-btn {
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--text-secondary);
}

.c12-stream-toggle-btn.is-on {
    color: var(--primary-color);
    border-color: rgba(78, 205, 196, 0.7);
    background: rgba(78, 205, 196, 0.16);
}

.c12-stream-toggle-btn.is-on:hover {
    color: var(--primary-color);
    background: rgba(78, 205, 196, 0.24);
}

.video-panel-btn:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.video-panel-btn.is-busy svg {
    animation: video-panel-spin 0.9s linear infinite;
}

@keyframes video-panel-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .video-panel-btn.is-busy svg {
        animation: none;
    }
}

.video-panel-body {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-panel-body-split {
    flex-direction: column;
    gap: 6px;
    aspect-ratio: auto;
    min-height: 260px;
    padding: 6px;
    align-items: stretch;
    justify-content: flex-start;
}

.video-panel-body-split .c12-stream-row {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.video-panel-body-split .c12-stream-row.c12-stream-row--hidden {
    display: none !important;
}

/* WebRTC 预览根 */
.video-panel-body-split .c12-webrtc-feed-root {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    flex: 1;
    min-height: 0;
}

.video-panel-body-split.c12-mode-webrtc .c12-webrtc-feed-root {
    display: flex;
}

.video-panel-body-split.c12-mode-webrtc .c12-dual-feed-root,
.video-panel-body-split.c12-mode-webrtc #c12-slot-1,
.video-panel-body-split.c12-mode-webrtc #c12-slot-2 {
    display: none !important;
}

.c12-webrtc-slot {
    position: relative;
}

/* YOLO 叠加：与可见光 video 同几何（letterbox 对齐依赖同源推理分辨率） */
.c12-webrtc-video-wrap {
    position: relative;
    flex: 1;
    width: 100%;
    min-height: 96px;
    max-height: 42vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}

.video-panel-body-split.c12-single-mode .c12-webrtc-slot:not(.c12-stream-row--hidden) .c12-webrtc-video-wrap {
    max-height: min(58vh, 540px);
}

.c12-webrtc-video-wrap .c12-webrtc-video {
    flex: 1;
    width: 100%;
    min-height: 96px;
    max-height: inherit;
    object-fit: contain;
    background: #000;
}

.c12-yolo-overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

/* 可见光画面内的 YOLO 检测按钮条（叠在 video 上，勿被 overlay canvas 遮挡） */
.c12-video-detect-bar {
    position: absolute;
    left: 50%;
    bottom: 6px;
    transform: translateX(-50%);
    z-index: 4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
    padding: 3px 6px;
    max-width: calc(100% - 12px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(8, 12, 18, 0.72);
    backdrop-filter: blur(6px);
    pointer-events: auto;
}

.c12-video-detect-bar.has-active {
    border-color: rgba(0, 220, 90, 0.35);
}

.c12-video-detect-bar .c12-detect-toggle {
    gap: 0;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
}

/* 整条按钮化：隐藏原生勾选框，点击 label 即切换 */
.c12-video-detect-bar .c12-detect-toggle input[type="checkbox"] {
    position: absolute;
    width: 0;
    height: 0;
    margin: 0;
    opacity: 0;
    pointer-events: none;
}

.c12-video-detect-bar .c12-detect-toggle.is-active {
    background: rgba(0, 220, 90, 0.18);
    border-color: rgba(0, 220, 90, 0.55);
    color: rgba(180, 255, 210, 0.98);
}

.c12-video-detect-bar .c12-detect-toggle[data-detect-id="fall"].is-active {
    background: rgba(255, 136, 0, 0.2);
    border-color: rgba(255, 136, 0, 0.55);
    color: rgba(255, 210, 150, 0.98);
}

.c12-video-detect-bar .c12-detect-toggle[data-detect-id="fire"].is-active {
    background: rgba(255, 34, 34, 0.2);
    border-color: rgba(255, 34, 34, 0.55);
    color: rgba(255, 180, 180, 0.98);
}

.c12-video-detect-bar .c12-detect-alert-hint {
    margin-left: 2px;
    padding: 2px 6px;
    font-size: 9px;
    border-radius: 999px;
    white-space: nowrap;
}

/* 左侧栏缩略图空间有限：压缩为窄按钮，放大窗内恢复正常尺寸 */
.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-detect-bar {
    bottom: 3px;
    gap: 2px;
    padding: 2px 4px;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-detect-bar .c12-detect-toggle {
    padding: 2px 6px;
    font-size: 9px;
}

.c12-media-rail .c12-rail-previews > .video-panel.c12-media-card:not(.floating) .c12-video-detect-bar .c12-detect-alert-hint {
    display: none;
}

.c12-detect-group {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-right: 6px;
    padding: 2px 4px;
    border-radius: 4px;
    user-select: none;
}

.c12-detect-group.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}

.c12-detect-toggle {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 5px;
    font-size: 11px;
    line-height: 1.2;
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
    cursor: pointer;
    border-radius: 4px;
    white-space: nowrap;
}

.c12-detect-toggle:hover:not(.is-disabled) {
    color: var(--text-primary, #fff);
    background: rgba(255, 255, 255, 0.06);
}

.c12-detect-toggle.is-active {
    color: rgba(0, 220, 90, 0.95);
}

.c12-detect-toggle.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.c12-detect-toggle[data-detect-id="fall"].is-active {
    color: rgba(255, 136, 0, 0.95);
}

.c12-detect-toggle[data-detect-id="fire"].is-active {
    color: rgba(255, 34, 34, 0.95);
}

.c12-detect-toggle input[type="checkbox"] {
    margin: 0;
    width: 13px;
    height: 13px;
    accent-color: rgba(0, 220, 90, 0.95);
    cursor: inherit;
}

.c12-detect-toggle[data-detect-id="fall"] input[type="checkbox"] {
    accent-color: rgba(255, 136, 0, 0.95);
}

.c12-detect-toggle[data-detect-id="fire"] input[type="checkbox"] {
    accent-color: rgba(255, 34, 34, 0.95);
}

.c12-detect-alert-hint {
    margin-left: 4px;
    padding: 1px 5px;
    font-size: 10px;
    line-height: 1.3;
    color: rgba(255, 180, 60, 0.95);
    background: rgba(255, 140, 0, 0.12);
    border-radius: 3px;
    white-space: nowrap;
}

.c12-detect-alert-hint.hidden {
    display: none;
}

/* legacy alias kept for older cached HTML references */
.c12-person-detect-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: 6px;
    padding: 2px 6px;
    font-size: 11px;
    line-height: 1.2;
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
    cursor: pointer;
    user-select: none;
    border-radius: 4px;
    white-space: nowrap;
}

.c12-person-detect-toggle:hover:not(.is-disabled) {
    color: var(--text-primary, #fff);
    background: rgba(255, 255, 255, 0.06);
}

.c12-person-detect-toggle.is-active {
    color: rgba(0, 220, 90, 0.95);
}

.c12-person-detect-toggle.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.c12-person-detect-toggle input[type="checkbox"] {
    margin: 0;
    width: 13px;
    height: 13px;
    accent-color: rgba(0, 220, 90, 0.95);
    cursor: inherit;
}

.c12-webrtc-pane-label {
    position: absolute;
    left: 8px;
    top: 6px;
    z-index: 2;
    font-size: 11px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.video-panel-body-split .c12-webrtc-video {
    flex: 1;
    width: 100%;
    min-height: 96px;
    max-height: 42vh;
    object-fit: contain;
    background: #000;
}

/* 与 MJPEG 同源：rtsp_test.apply_preview_fix / C12_PREVIEW_FIX（默认 0=原样） */
.video-panel-body-split.c12-mode-webrtc .c12-webrtc-video.preview-fix-1,
.video-panel-body-c12-single.c12-mode-webrtc .c12-webrtc-video.preview-fix-1 {
    transform: scaleY(-1);
    transform-origin: center center;
}

.video-panel-body-split.c12-mode-webrtc .c12-webrtc-video.preview-fix-2,
.video-panel-body-c12-single.c12-mode-webrtc .c12-webrtc-video.preview-fix-2 {
    transform: rotate(180deg);
    transform-origin: center center;
}

/* 双路同开：一路竖拼 MJPEG + 标签 overlay（单 TCP，避免双 img 并行拉流） */
.video-panel-body-split .c12-dual-feed-root {
    display: none;
    position: relative;
    width: 100%;
    flex: 1;
    min-height: 0;
}

.video-panel-body-split.c12-mode-combined-dual .c12-dual-feed-root {
    display: block;
}

.video-panel-body-split.c12-mode-combined-dual .c12-stream-row {
    display: none !important;
}

.c12-dual-feed-inner {
    position: relative;
    width: 100%;
    display: inline-block;
    vertical-align: top;
}

.c12-dual-feed-img {
    width: 100%;
    height: auto;
    display: block;
    max-height: min(85vh, 900px);
    object-fit: contain;
    background: #000;
}

.c12-dual-pane {
    position: absolute;
    left: 0;
    right: 0;
    height: 50%;
    pointer-events: none;
    z-index: 2;
}

.c12-dual-pane--rgb {
    top: 0;
}

.c12-dual-pane--ir {
    bottom: 0;
}

.c12-dual-pane-label {
    position: absolute;
    left: 8px;
    font-size: 11px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.35);
}

.c12-dual-pane--rgb .c12-dual-pane-label {
    top: 6px;
}

.c12-dual-pane--ir .c12-dual-pane-label {
    bottom: 6px;
}

.video-panel-body-split.c12-single-mode .c12-stream-row:not(.c12-stream-row--hidden) {
    flex: 1 1 auto;
    min-height: 140px;
}

.video-panel-body-split.c12-single-mode .c12-stream-img {
    max-height: min(58vh, 540px);
}

.video-panel-body-split .c12-stream-img {
    flex: 1;
    width: 100%;
    min-height: 96px;
    max-height: 42vh;
    object-fit: contain;
    background: #000;
}

.video-panel.c12-video-panel-dock-thermal:not(.floating) {
    /* 与可见光同锚点；勿再向上堆叠，小屏平板会把热成像挤出视口 */
    bottom: calc(var(--spacing-lg) + 140px);
}

.video-panel-body.video-panel-body-c12-single {
    flex-direction: column;
    aspect-ratio: 16 / 9;
    min-height: 160px;
    max-height: min(58vh, 520px);
    padding: 0;
    gap: 0;
}

.video-panel-body.video-panel-body-c12-single .c12-webrtc-feed-root {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-height: 0;
    width: 100%;
}

.video-panel-body.video-panel-body-c12-single .c12-stream-row.c12-webrtc-slot {
    flex: 1;
    min-height: 0;
}

.video-panel-body.video-panel-body-c12-single .c12-webrtc-video-wrap {
    flex: 1;
    min-height: 120px;
    max-height: none;
}

.video-panel.floating .video-panel-body.video-panel-body-c12-single {
    aspect-ratio: 16 / 9;
    max-height: min(70vh, 620px);
    flex: 0 1 auto;
    overflow: hidden;
}

/* 浮层位置由 JS 居中；仅保留尺寸约束 */
.video-panel.c12-video-panel-dock-visible.floating,
.video-panel.c12-video-panel-dock-thermal.floating {
    right: auto;
    bottom: auto;
}

/* C12 分栏：与 LYZ 一致，video 参与 flex 布局；勿对 .video-panel-body-split 内 video 使用全幅 absolute */
.video-panel-body:not(.video-panel-body-split):not(.video-panel-body-c12-single) img,
.video-panel-body:not(.video-panel-body-split):not(.video-panel-body-c12-single) video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: filter 0.4s ease;
}

/* WebRTC 网络质量降级：模糊覆盖，保证机器人控制带宽优先 */
.video-panel-body video.video-degraded-fair {
    filter: blur(0.8px) saturate(0.96) contrast(0.98);
}
.video-panel-body video.video-degraded-poor {
    filter: blur(2.2px) saturate(0.92) contrast(0.95);
}
.video-panel-body video.video-degraded-stalled {
    filter: blur(4px) saturate(0.88) contrast(0.9);
}

.video-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 13px;
    background: rgba(0, 0, 0, 0.35);
    pointer-events: none;
    z-index: 1;
}

.video-panel.floating {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    bottom: auto;
    cursor: move;
    max-height: min(94vh, 900px);
}

.video-panel.floating .video-panel-header {
    cursor: move;
    touch-action: none;
}

.video-panel.floating .video-panel-body:not(.video-panel-body-split) {
    aspect-ratio: 16 / 9;
}

/* C12 双路：可移动与停靠同一套画幅（勿另加宽高/video 规则，否则与图一固定态不一致） */
.video-panel.floating .video-panel-body.video-panel-body-split {
    aspect-ratio: auto;
    min-height: 260px;
    max-height: none;
    flex: 0 1 auto;
    overflow: hidden;
}

@media (max-width: 1200px) {
    .video-panel {
        width: min(360px, 55vw);
        right: var(--spacing-md);
        bottom: calc(var(--spacing-md) + 140px);
    }
}

@media (max-width: 900px) {
    .video-panel {
        position: absolute;
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        width: auto;
    }
}

@media (max-width: 600px) {
    .video-panel {
        left: 0;
        right: 0;
        bottom: 0;
        border-radius: 0;
    }
}

/* 加载遮罩 */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 26, 26, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    z-index: 1000;
    transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 通用工具类 */
.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden !important;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

/* ==================== 保存地图遮罩层 ==================== */
.saving-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.saving-overlay.show {
    opacity: 1;
}

.saving-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 40px;
    background-color: var(--bg-panel);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.saving-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.saving-message {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
}

/* ==================== 地图保存进度条 ==================== */
.save-progress-content {
    min-width: 360px;
    max-width: 460px;
}

.save-progress-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    text-align: center;
    word-break: break-all;
}

.save-progress-bar-container {
    width: 100%;
    height: 12px;
    background-color: var(--bg-tertiary, #2a2a2a);
    border-radius: 6px;
    overflow: hidden;
    margin: 12px 0 8px;
}

.save-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), #5b9aff);
    border-radius: 6px;
    transition: width 0.4s ease;
}

.save-progress-percent {
    color: var(--primary);
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin: 4px 0;
    font-variant-numeric: tabular-nums;
}

.save-progress-message {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    min-height: 20px;
}

/* 顶栏链接按钮 */
a.sidebar-btn {
    text-decoration: none;
}


/* Secondary tools are grouped under one expandable top-bar control. */
.app-topbar.sidebar,
.sidebar.app-topbar { position: relative; z-index: 21000; overflow: visible; }
.app-topbar__nav { overflow: visible; }
.navbar-more { position: relative; }
.navbar-more-toggle { position: absolute; opacity: 0; pointer-events: none; }
.navbar-more-trigger {
    height: 40px; min-width: 64px; padding: 4px 12px; border-radius: 8px; border: none;
    background-color: transparent; color: var(--text-secondary); display: inline-flex; flex-direction: row;
    align-items: center; justify-content: center; gap: 6px; font-size: 13px; font-weight: 500; white-space: nowrap;
}
.navbar-more-trigger:hover, .navbar-more-toggle:checked + .navbar-more-trigger { background-color: rgba(78, 205, 196, 0.14); color: var(--primary-color); }
.navbar-more-trigger svg { width: 18px; height: 18px; flex-shrink: 0; }
.navbar-more-trigger > span { line-height: 1; }
.navbar-more-menu {
    position: absolute; top: calc(100% + 8px); left: 0; z-index: 21001;
    display: none; min-width: 180px; padding: 6px; border: 1px solid var(--border-color, #454545);
    border-radius: 6px; background: var(--bg-secondary, #2b2b2b); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
.navbar-more-toggle:checked ~ .navbar-more-menu { display: block; }
.navbar-more-link {
    display: flex; align-items: center; min-height: 38px; padding: 0 12px; border-radius: 4px;
    color: var(--text-primary, #f2f2f2); text-decoration: none; white-space: nowrap;
}
.navbar-more-link:hover, .navbar-more-link.active { color: var(--primary-color, #4ecdc4); background: rgba(78, 205, 196, 0.12); }
.navbar-more:has(.navbar-more-link.active) > summary { color: var(--primary-color, #4ecdc4); background: rgba(78, 205, 196, 0.12); }
.app-topbar__settings { margin-left: auto; flex: 0 0 auto; }
@media (max-width: 640px) {
    .navbar-more-menu { position: fixed; top: calc(var(--topbar-height) + 6px); left: 8px; right: 8px; width: auto; }
}