/* ============================================================
   健康监测系统 — 基于 Ant Design 5.x Token 体系
   色彩、字体、间距、圆角、阴影均对齐 antd 设计规范
   ============================================================ */

:root {
    /* ---- Ant Design Seed Token ---- */
    --color-primary: #1677ff;
    --color-primary-hover: #4096ff;
    --color-primary-active: #0958d9;
    --color-primary-bg: #e6f4ff;
    --color-success: #52c41a;
    --color-success-bg: #f6ffed;
    --color-warning: #faad14;
    --color-warning-bg: #fffbe6;
    --color-error: #ff4d4f;
    --color-error-bg: #fff2f0;

    /* ---- Neutral (Ant Design 透明度体系) ---- */
    --color-text: rgba(0, 0, 0, 0.88);
    --color-text-secondary: rgba(0, 0, 0, 0.65);
    --color-text-tertiary: rgba(0, 0, 0, 0.45);
    --color-text-quaternary: rgba(0, 0, 0, 0.25);
    --color-border: #d9d9d9;
    --color-border-secondary: #f0f0f0;
    --color-fill: rgba(0, 0, 0, 0.15);
    --color-fill-secondary: rgba(0, 0, 0, 0.06);
    --color-fill-tertiary: rgba(0, 0, 0, 0.04);
    --color-bg-container: #ffffff;
    --color-bg-elevated: #ffffff;
    --color-bg-layout: #f5f5f5;
    --color-bg-spotlight: rgba(0, 0, 0, 0.85);

    /* ---- 字体 ---- */
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-size: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-heading-3: 24px;
    --line-height: 1.5714;
    --line-height-lg: 1.5;

    /* ---- 间距 (4px 基础单位) ---- */
    --margin-xxs: 4px;
    --margin-xs: 8px;
    --margin-sm: 12px;
    --margin: 16px;
    --margin-md: 20px;
    --margin-lg: 24px;
    --margin-xl: 32px;
    --padding-xxs: 4px;
    --padding-xs: 8px;
    --padding-sm: 12px;
    --padding: 16px;
    --padding-md: 20px;
    --padding-lg: 24px;

    /* ---- 圆角 (Ant Design) ---- */
    --border-radius: 6px;
    --border-radius-sm: 4px;
    --border-radius-lg: 8px;

    /* ---- 阴影 (Ant Design 三级阴影) ---- */
    --box-shadow: 0 1px 2px 0 rgba(0,0,0,0.03), 0 1px 6px -1px rgba(0,0,0,0.02), 0 2px 4px 0 rgba(0,0,0,0.02);
    --box-shadow-secondary: 0 6px 16px 0 rgba(0,0,0,0.08), 0 3px 6px -4px rgba(0,0,0,0.12), 0 9px 28px 8px rgba(0,0,0,0.05);
    --box-shadow-tertiary: 0 1px 2px 0 rgba(0,0,0,0.03), 0 1px 6px -1px rgba(0,0,0,0.02), 0 2px 4px 0 rgba(0,0,0,0.02);

    /* ---- 指标色 (柔和、不刺眼) ---- */
    --metric-temp: #f5222d;
    --metric-heart: #eb2f96;
    --metric-spo2: #722ed1;
    --metric-humidity: #1677ff;
    --metric-env-temp: #fa8c16;
    --metric-env-humidity: #52c41a;
}

/* ======== 深色模式 (Ant Design Dark) ======== */
body.dark-mode {
    --color-primary: #4096ff;
    --color-primary-hover: #69b1ff;
    --color-primary-active: #1677ff;
    --color-primary-bg: #0d1f3c;
    --color-success: #52c41a;
    --color-success-bg: #0d2a0d;
    --color-warning: #faad14;
    --color-warning-bg: #2a1f00;
    --color-error: #ff4d4f;
    --color-error-bg: #2a0d0e;

    --color-text: rgba(255, 255, 255, 0.92);
    --color-text-secondary: rgba(255, 255, 255, 0.65);
    --color-text-tertiary: rgba(255, 255, 255, 0.40);
    --color-text-quaternary: rgba(255, 255, 255, 0.22);
    --color-border: rgba(255,255,255,0.12);
    --color-border-secondary: rgba(255,255,255,0.07);
    --color-fill: rgba(255, 255, 255, 0.15);
    --color-fill-secondary: rgba(255, 255, 255, 0.09);
    --color-fill-tertiary: rgba(255, 255, 255, 0.05);
    --color-bg-container: #0e1117;
    --color-bg-elevated: #161b27;
    --color-bg-layout: #080b12;
    --color-bg-spotlight: rgba(255, 255, 255, 0.85);

    --box-shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 8px rgba(0,0,0,0.3);
    --box-shadow-secondary: 0 8px 24px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.4);

    /* 指标色升级 — 更鲜亮 */
    --metric-temp: #ff6b6b;
    --metric-heart: #f06292;
    --metric-spo2: #ab47bc;
    --metric-humidity: #42a5f5;
    --metric-env-temp: #ffa726;
    --metric-env-humidity: #66bb6a;
}

/* ======== Reset ======== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size);
    line-height: var(--line-height);
    color: var(--color-text);
    background: var(--color-bg-layout);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background 0.3s, color 0.3s;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* ======== 侧边栏 ======== */
.sidebar {
    width: 216px;
    background: var(--color-bg-container);
    border-right: 1px solid var(--color-border-secondary);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: background 0.3s, border-color 0.3s;
}

.sidebar-header {
    padding: var(--padding-md) var(--padding);
    border-bottom: 1px solid var(--color-border-secondary);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--margin-xs);
}

.logo-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-error);
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.logo-icon svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.logo-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo-sub {
    font-size: 10px;
    color: var(--color-text-tertiary);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.nav-text {
    flex: 1;
}

.nav-badge {
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    background: var(--color-error);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    display: none;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.nav-badge:not(:empty) {
    display: flex;
}

.sidebar-version {
    font-size: 10px;
    color: var(--color-text-quaternary);
    margin-top: 4px;
    letter-spacing: 0.03em;
}

.sidebar-nav {
    flex: 1;
    padding: var(--padding-xs);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--margin-xs);
    padding: 8px var(--padding-sm);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size);
    font-weight: 500;
    margin-bottom: 2px;
    transition: background 0.2s, color 0.2s;
}

.nav-item:hover {
    background: var(--color-fill-tertiary);
    color: var(--color-text);
}

.nav-item.active {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 600;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-icon svg {
    width: 16px;
    height: 16px;
}

.sidebar-footer {
    padding: var(--padding-sm) var(--padding);
    border-top: 1px solid var(--color-border-secondary);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--margin-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-text-quaternary);
    flex-shrink: 0;
}

.status-dot.connected {
    background: var(--color-success);
    box-shadow: 0 0 0 3px rgba(82, 196, 26, 0.15);
}

.status-dot.connecting {
    background: var(--color-warning);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ======== 主内容区 ======== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-sm) var(--padding-lg);
    background: var(--color-bg-container);
    border-bottom: 1px solid var(--color-border-secondary);
    transition: background 0.3s, border-color 0.3s;
}

.header-title h1 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: var(--line-height-lg);
}

.header-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: 2px;
    font-variant-numeric: tabular-nums;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--margin-xs);
}

/* ======== 按钮 (Ant Design Button) ======== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--margin-xxs);
    height: 32px;
    padding: 4px 15px;
    font-size: var(--font-size);
    font-weight: 400;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    font-family: inherit;
    white-space: nowrap;
    line-height: var(--line-height);
}

.btn:active {
    transform: none;
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-primary:active {
    background: var(--color-primary-active);
    border-color: var(--color-primary-active);
}

.btn-secondary {
    background: var(--color-bg-container);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.02);
}

.btn-secondary:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-secondary);
}

.btn-icon:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

/* 主题切换 */
.theme-toggle {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.theme-toggle:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.theme-toggle svg {
    width: 16px;
    height: 16px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

body:not(.dark-mode) .theme-toggle .icon-moon {
    display: block;
}

body.dark-mode .theme-toggle .icon-sun {
    display: block;
}

/* ======== 视图 ======== */
.view {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: var(--padding-md) var(--padding-lg);
}

.view.active {
    display: block;
}

/* ======== 指标卡片升级 ======== */
.metric-card {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    transition: box-shadow 0.3s, border-color 0.3s, transform 0.2s, background 0.3s;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, transparent 40%, rgba(64,150,255,0.15));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2), 0 0 0 1px rgba(64,150,255,0.2);
}

body.dark-mode .metric-card {
    background: linear-gradient(145deg, #0e1117, #111827);
}

.metric-card.warning {
    border-left: 3px solid var(--color-warning);
    box-shadow: 0 0 12px rgba(250,173,20,0.15);
}

.metric-card.danger {
    border-left: 3px solid var(--color-error);
    box-shadow: 0 0 12px rgba(255,77,79,0.15);
}

/* 图标发光效果 */
body.dark-mode .metric-icon.body-temp {
    background: rgba(255,107,107,0.15);
    box-shadow: 0 0 12px rgba(255,107,107,0.3);
}
body.dark-mode .metric-icon.heart-rate {
    background: rgba(240,98,146,0.15);
    box-shadow: 0 0 12px rgba(240,98,146,0.3);
}
body.dark-mode .metric-icon.spo2 {
    background: rgba(171,71,188,0.15);
    box-shadow: 0 0 12px rgba(171,71,188,0.3);
}
body.dark-mode .metric-icon.humidity {
    background: rgba(66,165,245,0.15);
    box-shadow: 0 0 12px rgba(66,165,245,0.3);
}
body.dark-mode .metric-icon.env-temp {
    background: rgba(255,167,38,0.15);
    box-shadow: 0 0 12px rgba(255,167,38,0.3);
}
body.dark-mode .metric-icon.env-humidity {
    background: rgba(102,187,106,0.15);
    box-shadow: 0 0 12px rgba(102,187,106,0.3);
}

/* 数值字体升级 */
.metric-value .value {
    font-size: 32px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-text) 60%, var(--color-text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 侧边栏升级 */
body.dark-mode .sidebar {
    background: linear-gradient(180deg, #0e1117 0%, #080b12 100%);
    border-right: 1px solid rgba(255,255,255,0.07);
}

body.dark-mode .nav-item.active {
    background: linear-gradient(135deg, rgba(64,150,255,0.2), rgba(64,150,255,0.08));
    border-left: 2px solid var(--color-primary);
    color: var(--color-primary);
}

/* 顶部 header 升级 */
body.dark-mode .top-header {
    background: rgba(14,17,23,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

/* summary card 升级 */
body.dark-mode .summary-card {
    background: linear-gradient(145deg, #0e1117, #111827);
    border: 1px solid rgba(255,255,255,0.07);
}

/* 主内容区背景 */
body.dark-mode .main-content {
    background: transparent;
}

body.dark-mode .view {
    position: relative;
    z-index: 1;
}
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--margin);
    margin-bottom: var(--margin-md);
}

.metric-card {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    transition: box-shadow 0.2s, border-color 0.2s, background 0.3s;
}

.metric-card:hover {
    box-shadow: var(--box-shadow);
}

.metric-card.warning {
    border-left: 3px solid var(--color-warning);
}

.metric-card.danger {
    border-left: 3px solid var(--color-error);
}

.metric-header {
    display: flex;
    align-items: center;
    gap: var(--margin-sm);
    margin-bottom: var(--margin-sm);
}

.metric-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.metric-icon svg {
    width: 18px;
    height: 18px;
}

/* 各指标图标配色 — 使用 antd 色板的 light bg */
.metric-icon.body-temp {
    background: #fff1f0;
    color: var(--metric-temp);
}
.metric-icon.heart-rate {
    background: #fff0f6;
    color: var(--metric-heart);
}
.metric-icon.spo2 {
    background: #f9f0ff;
    color: var(--metric-spo2);
}
.metric-icon.humidity {
    background: var(--color-primary-bg);
    color: var(--metric-humidity);
}
.metric-icon.env-temp {
    background: #fff7e6;
    color: var(--metric-env-temp);
}
.metric-icon.env-humidity {
    background: var(--color-success-bg);
    color: var(--metric-env-humidity);
}

body.dark-mode .metric-icon.body-temp {
    background: rgba(245, 34, 45, 0.12);
}
body.dark-mode .metric-icon.heart-rate {
    background: rgba(235, 47, 150, 0.12);
}
body.dark-mode .metric-icon.spo2 {
    background: rgba(114, 46, 209, 0.12);
}
body.dark-mode .metric-icon.humidity {
    background: rgba(22, 119, 255, 0.12);
}
body.dark-mode .metric-icon.env-temp {
    background: rgba(250, 140, 22, 0.12);
}
body.dark-mode .metric-icon.env-humidity {
    background: rgba(82, 196, 26, 0.12);
}

.metric-label {
    font-size: var(--font-size);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.metric-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: var(--margin-xs);
}

.metric-value .value {
    font-size: 30px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.metric-value .unit {
    font-size: var(--font-size);
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.metric-status {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-success);
    margin-bottom: var(--margin-xxs);
}

.metric-status.warning {
    color: var(--color-warning);
}

.metric-status.danger {
    color: var(--color-error);
}

.metric-range {
    font-size: var(--font-size-sm);
    color: var(--color-text-quaternary);
}

.value-updated {
    animation: valueFlash 0.35s ease;
}

@keyframes valueFlash {
    0% { opacity: 0.5; transform: translateY(-2px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ======== 摘要区域 ======== */
.summary-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--margin);
}

.summary-card {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    transition: background 0.3s, border-color 0.3s;
}

.summary-card h3 {
    font-size: var(--font-size);
    font-weight: 600;
    margin-bottom: var(--margin-sm);
    color: var(--color-text);
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: var(--margin-xs);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding-xs) var(--padding-sm);
    background: var(--color-fill-tertiary);
    border-radius: var(--border-radius-sm);
}

.summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.summary-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.alerts-list {
    max-height: 200px;
    overflow-y: auto;
}

.alert-empty {
    text-align: center;
    padding: var(--padding-lg);
    color: var(--color-text-quaternary);
    font-size: var(--font-size);
}

.alert-item {
    display: flex;
    gap: var(--margin-xs);
    padding: var(--padding-xs) var(--padding-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--margin-xxs);
    border: 1px solid transparent;
}

.alert-item.warning {
    background: var(--color-warning-bg);
    border-color: rgba(250, 173, 20, 0.3);
}

.alert-item.danger {
    background: var(--color-error-bg);
    border-color: rgba(255, 77, 79, 0.3);
}

.alert-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: var(--font-size);
}

.alert-icon svg {
    width: 16px;
    height: 16px;
}

.alert-item.warning .alert-icon {
    color: var(--color-warning);
}

.alert-item.danger .alert-icon {
    color: var(--color-error);
}

.alert-content {
    flex: 1;
    min-width: 0;
}

.alert-message {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.alert-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

/* ======== 控制面板 ======== */
.control-container {
    display: flex;
    flex-direction: column;
    gap: var(--margin);
}

.device-status-card,
.control-panel,
.scene-panel {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    transition: background 0.3s, border-color 0.3s;
}

.device-status-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--margin-sm);
}

.device-status-header h3,
.control-panel h3,
.scene-panel h3 {
    font-size: var(--font-size);
    font-weight: 600;
    color: var(--color-text);
}

.device-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--color-fill-tertiary);
    padding: 2px 10px;
    border-radius: 10px;
}

.device-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--margin-xs);
}

.device-item {
    display: flex;
    align-items: center;
    gap: var(--margin-xs);
    padding: var(--padding-xs) var(--padding-sm);
    background: var(--color-fill-tertiary);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius);
}

.device-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
}

.device-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.device-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.device-empty {
    color: var(--color-text-quaternary);
    font-size: var(--font-size);
    padding: var(--padding-sm) 0;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--margin-sm);
}

.control-card {
    display: flex;
    align-items: center;
    gap: var(--margin-sm);
    padding: var(--padding-sm) var(--padding);
    background: var(--color-fill-tertiary);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.control-card:hover {
    box-shadow: var(--box-shadow);
}

.control-card.active {
    background: var(--color-success-bg);
    border-color: rgba(82, 196, 26, 0.3);
}

.control-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-fill-secondary);
    border-radius: var(--border-radius);
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
}

.control-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
}

.control-card.active .control-icon {
    background: var(--color-success);
}

.control-card.active .control-icon svg {
    color: #fff;
}

.control-info {
    flex: 1;
    min-width: 0;
}

.control-name {
    font-size: var(--font-size);
    font-weight: 500;
    display: block;
    color: var(--color-text);
}

.control-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    display: block;
}

.control-card.active .control-status {
    color: var(--color-success);
}

/* 开关 (Ant Design Switch) */
.control-switch {
    position: relative;
    width: 44px;
    height: 22px;
    flex-shrink: 0;
}

.control-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 22px;
    transition: 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

body.dark-mode .switch-slider {
    background: rgba(255, 255, 255, 0.25);
}

.switch-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    transition: 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

.control-switch input:checked + .switch-slider {
    background: var(--color-primary);
}

.control-switch input:checked + .switch-slider::before {
    transform: translateX(22px);
}

/* 场景按钮 */
.scene-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--margin-xs);
}

.scene-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--margin-xs);
    padding: var(--padding) var(--padding-sm);
    background: var(--color-fill-tertiary);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    color: var(--color-text);
    font-family: inherit;
}

.scene-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.scene-btn:active {
    transform: none;
}

.scene-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scene-icon svg {
    width: 22px;
    height: 22px;
}

.scene-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* ======== 历史数据 (Ant Design Table) ======== */
.history-container {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    transition: background 0.3s, border-color 0.3s;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--margin);
}

.history-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.history-actions {
    display: flex;
    gap: var(--margin-xs);
}

.history-table-container {
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size);
    font-variant-numeric: tabular-nums;
}

.history-table th,
.history-table td {
    padding: var(--padding-xs) var(--padding);
    text-align: left;
    border-bottom: 1px solid var(--color-border-secondary);
}

.history-table th {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--color-fill-tertiary);
}

.history-table tbody tr:hover {
    background: var(--color-fill-tertiary);
}

.empty-row {
    text-align: center;
    color: var(--color-text-quaternary);
    padding: var(--padding-xl) !important;
    font-size: var(--font-size);
}

/* ======== 设置 (Ant Design Form) ======== */
.settings-container {
    max-width: 640px;
}

.settings-container h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--margin-md);
    color: var(--color-text);
}

.settings-group {
    background: var(--color-bg-container);
    border: 1px solid var(--color-border-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--padding-md);
    margin-bottom: var(--margin);
    transition: background 0.3s, border-color 0.3s;
}

.settings-group h3 {
    font-size: var(--font-size);
    font-weight: 600;
    margin-bottom: var(--margin-sm);
    color: var(--color-text);
}

.settings-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--margin-sm);
}

.form-row {
    display: flex;
    gap: var(--margin);
    margin-bottom: var(--margin-sm);
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--margin-xxs);
}

.form-group input {
    width: 100%;
    height: 32px;
    padding: 4px 11px;
    font-size: var(--font-size);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-container);
    color: var(--color-text);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:hover {
    border-color: var(--color-primary-hover);
}

.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(5, 145, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-quaternary);
}

.form-actions {
    display: flex;
    gap: var(--margin-xs);
}

.threshold-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--margin-sm);
}

.threshold-item label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--margin-xxs);
}

.threshold-item input {
    width: 100%;
    height: 32px;
    padding: 4px 11px;
    font-size: var(--font-size);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-container);
    color: var(--color-text);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.threshold-item input:hover {
    border-color: var(--color-primary-hover);
}

.threshold-item input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(5, 145, 255, 0.1);
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--margin-sm);
}

.toggle {
    position: relative;
    width: 44px;
    height: 22px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 22px;
    transition: 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

body.dark-mode .toggle-slider {
    background: rgba(255, 255, 255, 0.25);
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    transition: 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

.toggle input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-label {
    font-size: var(--font-size);
    color: var(--color-text);
}

/* ======== 弹窗 (Ant Design Modal) ======== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
}

body.dark-mode .modal-overlay {
    background: rgba(0, 0, 0, 0.65);
}

.modal-content {
    position: relative;
    background: var(--color-bg-elevated);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--box-shadow-secondary);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--padding) var(--padding-lg);
    border-bottom: 1px solid var(--color-border-secondary);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.modal-close {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-lg);
    color: var(--color-text-tertiary);
    transition: color 0.2s, background 0.2s;
}

.modal-close:hover {
    color: var(--color-text);
    background: var(--color-fill-tertiary);
}

.modal-body {
    padding: var(--padding-lg);
}

.modal-body .form-group {
    margin-bottom: var(--margin);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--margin-xs);
    padding: var(--padding-sm) var(--padding-lg);
    border-top: 1px solid var(--color-border-secondary);
}

/* ======== 响应式 ======== */
@media (max-width: 1024px) {
    .summary-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100%;
        z-index: 100;
        transition: left 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
        box-shadow: var(--box-shadow-secondary);
    }

    .sidebar.open {
        left: 0;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }
}

/* ======== 滚动条 ======== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-text-quaternary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* ==================== 紧急报警横幅 ==================== */
.alert-banner {
    background: linear-gradient(135deg, #ff4d4f 0%, #ff7875 100%);
    color: white;
    padding: 16px 24px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
    animation: slideDown 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: 16px;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
}

.alert-icon {
    font-size: 32px;
    line-height: 1;
}

.alert-text {
    flex: 1;
}

.alert-text strong {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
}

.alert-text p {
    margin: 0;
    font-size: 14px;
    opacity: 0.95;
}

.alert-dismiss {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s;
}

.alert-dismiss:hover {
    background: rgba(255, 255, 255, 0.3);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==================== 位置追踪视图 ==================== */
.location-container {
    position: relative;
    height: calc(100vh - 130px);
    overflow: hidden;
}

.map-container {
    position: absolute;
    inset: 0;
    background: var(--color-bg-elevated);
}

/* 搜索栏 */
.map-search-bar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 60px;
    z-index: 100;
    display: flex;
    gap: 8px;
    position: absolute;
}

.map-search-bar input {
    flex: 1;
    padding: 10px 14px;
    border-radius: 24px;
    border: none;
    background: rgba(30,30,40,0.92);
    color: #fff;
    font-size: 14px;
    outline: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.map-search-bar button {
    padding: 10px 16px;
    border-radius: 24px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}

.search-results {
    position: absolute;
    top: 44px;
    left: 0;
    right: 60px;
    background: rgba(25,25,35,0.97);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    max-height: 240px;
    overflow-y: auto;
}

.search-result-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 13px;
    color: #ddd;
}

.search-result-item:hover { background: rgba(255,255,255,0.08); }
.search-result-item .sr-name { font-weight: 600; color: #fff; margin-bottom: 2px; }
.search-result-item .sr-addr { color: #888; font-size: 12px; }

/* 导航转向指引 */
.nav-turn-bar {
    position: absolute;
    top: 12px;
    left: 12px;
    right: 60px;
    background: rgba(0,100,255,0.92);
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 101;
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.turn-icon { font-size: 28px; min-width: 36px; text-align: center; }
.turn-info { flex: 1; }
.turn-action { font-size: 18px; font-weight: 700; color: #fff; }
.turn-road { font-size: 13px; color: rgba(255,255,255,0.8); margin-top: 2px; }
.turn-dist { font-size: 20px; font-weight: 700; color: #fff; white-space: nowrap; }

/* 天气 */
.map-weather {
    position: absolute;
    top: 12px;
    right: 60px;
    background: rgba(25,25,35,0.85);
    border-radius: 20px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #fff;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* 右侧工具栏 */
.map-toolbar {
    position: absolute;
    right: 12px;
    top: 60px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 100;
}

.map-tool-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(25,25,35,0.9);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: background 0.2s;
}

.map-tool-btn:hover { background: rgba(60,60,80,0.95); }
.map-tool-btn svg { width: 18px; height: 18px; }

/* 底部面板 */
.map-bottom-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(18,18,28,0.95);
    border-radius: 16px 16px 0 0;
    padding: 16px;
    z-index: 100;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}

.device-location-card { margin-bottom: 12px; }
.dlc-header { display: flex; align-items: flex-start; gap: 10px; }
.dlc-icon { font-size: 24px; }
.dlc-address { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.dlc-coords { font-size: 12px; color: #888; }

/* 导航模式 */
.nav-controls { display: flex; align-items: center; gap: 12px; }

.nav-mode-tabs { display: flex; gap: 6px; }

.nav-mode-btn {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: #aaa;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-mode-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-nav-start {
    flex: 1;
    padding: 10px 16px;
    border-radius: 24px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

.btn-nav-start:disabled { background: #444; color: #888; cursor: not-allowed; }

/* 导航进行中 */
.nav-active-panel {}
.nav-stats { display: flex; gap: 12px; margin-bottom: 12px; }
.nav-stat { flex: 1; text-align: center; }
.nav-stat-route { flex: 2; }
.nav-stat-value { font-size: 18px; font-weight: 700; color: #fff; }
.nav-stat-label { font-size: 12px; color: #888; margin-top: 2px; }

.btn-nav-stop {
    width: 100%;
    padding: 10px;
    border-radius: 24px;
    border: none;
    background: #e74c3c;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

/* 周边搜索面板 */
.nearby-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(18,18,28,0.97);
    border-radius: 16px 16px 0 0;
    z-index: 102;
    max-height: 60%;
    display: flex;
    flex-direction: column;
}

.nearby-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nearby-header button {
    background: none;
    border: none;
    color: #aaa;
    font-size: 20px;
    cursor: pointer;
}

.nearby-tabs {
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    overflow-x: auto;
}

.nearby-tab {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: #aaa;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}

.nearby-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.nearby-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 16px;
}

.nearby-item {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    cursor: pointer;
}

.nearby-item:hover { background: rgba(255,255,255,0.04); }
.nearby-item-name { font-size: 14px; font-weight: 600; color: #fff; }
.nearby-item-addr { font-size: 12px; color: #888; margin-top: 3px; }
.nearby-item-dist { font-size: 12px; color: var(--color-primary); margin-top: 3px; }

/* ==================== 视频监控视图 ==================== */
.video-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    height: calc(100vh - 180px);
}

.video-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.video-player {
    flex: 1;
    background: var(--color-bg-elevated);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-player img,
.video-player video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-text-tertiary);
}

.video-placeholder svg {
    width: 80px;
    height: 80px;
    opacity: 0.5;
}

.video-placeholder p {
    margin: 0;
    font-size: 14px;
}

.video-info {
    background: var(--color-bg-elevated);
    border-radius: 8px;
    padding: 16px;
}

.snapshot-gallery {
    background: var(--color-bg-elevated);
    border-radius: 8px;
    padding: 20px;
    overflow-y: auto;
}

.snapshot-gallery h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.gallery-grid img {
    width: 100%;
    height: 90px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.2s;
}

.gallery-grid img:hover {
    transform: scale(1.05);
}

.gallery-grid .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-tertiary);
    font-style: italic;
    padding: 40px 0;
}

/* ==================== 图表样式 ==================== */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--color-bg-elevated);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.chart-card h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.chart-container {
    height: 300px;
    width: 100%;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .location-panel {
        width: 280px;
    }

    .video-container {
        grid-template-columns: 1fr;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .location-panel {
        position: static;
        width: 100%;
        max-height: none;
        margin-top: 16px;
    }

    .location-container {
        height: auto;
        display: flex;
        flex-direction: column;
    }

    .map-wrapper {
        height: 400px;
    }

    .video-container {
        height: auto;
    }

    .video-player {
        height: 300px;
    }

    .alert-banner {
        padding: 12px 16px;
    }

    .alert-icon {
        font-size: 24px;
    }

    .alert-text strong {
        font-size: 16px;
    }
}

/* ==================== 导航功能样式 ==================== */
.navigation-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.navigation-section h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.navigation-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.btn-block {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navigation-info {
    background: var(--bg-container);
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
}

.navigation-info .info-item {
    padding: 6px 0;
}

.navigation-info .info-item:first-child {
    padding-top: 0;
}

.navigation-info .info-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

/* 导航路线样式（高德地图自动生成的路线） */
.amap-marker-label {
    background: var(--bg-elevated) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

/* 响应式：导航面板 */
@media (max-width: 768px) {
    .location-panel {
        width: 100%;
        max-width: 100%;
        position: relative;
        top: 0;
        right: 0;
        margin-top: 16px;
    }
    
    .navigation-section {
        margin-top: 16px;
        padding-top: 16px;
    }
}

/* ==================== 脉冲定位动画 ==================== */
@keyframes pulse-ring {
    0%   { transform: scale(0.6); opacity: 0.8; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* ==================== 地图底部面板升级 ==================== */
.map-bottom-panel {
    background: rgba(12, 12, 20, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
}

.dlc-address {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.01em;
}

.dlc-coords {
    font-size: 12px;
    color: rgba(255,255,255,0.45);
    margin-top: 3px;
}

/* 导航模式按钮升级 */
.nav-mode-btn {
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-mode-btn.active {
    background: linear-gradient(135deg, #1677ff, #4096ff);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(22,119,255,0.4);
}

/* 开始导航按钮升级 */
.btn-nav-start {
    background: linear-gradient(135deg, #00d4aa, #00b894);
    border-radius: 24px;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 16px rgba(0,212,170,0.35);
    transition: all 0.2s;
}

.btn-nav-start:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,212,170,0.5);
}

.btn-nav-start:disabled {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.3);
    box-shadow: none;
}

/* 导航进行中统计数字 */
.nav-stat-value {
    font-size: 22px;
    font-weight: 800;
    color: #00d4aa;
    letter-spacing: -0.02em;
}

.btn-nav-stop {
    background: linear-gradient(135deg, #ff4d4f, #ff7875);
    box-shadow: 0 4px 16px rgba(255,77,79,0.35);
    font-weight: 700;
    border-radius: 24px;
}

/* 转向指引栏升级 */
.nav-turn-bar {
    background: linear-gradient(135deg, rgba(22,119,255,0.95), rgba(64,150,255,0.95));
    backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(22,119,255,0.4);
}

.turn-action { font-size: 20px; font-weight: 800; }
.turn-dist   { font-size: 24px; font-weight: 800; color: #fff; }

/* 搜索栏升级 */
.map-search-bar input {
    background: rgba(20,20,32,0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

.map-search-bar button {
    background: linear-gradient(135deg, #1677ff, #4096ff);
    border-radius: 24px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(22,119,255,0.4);
}

/* 工具栏按钮升级 */
.map-tool-btn {
    background: rgba(12,12,20,0.9);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
    transition: all 0.2s;
}

.map-tool-btn:hover {
    background: rgba(22,119,255,0.3);
    border-color: rgba(22,119,255,0.5);
    transform: scale(1.08);
}

/* 天气显示升级 */
.map-weather {
    background: rgba(12,12,20,0.88);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    font-weight: 500;
}

/* 周边面板升级 */
.nearby-panel {
    background: rgba(12,12,20,0.97);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* ==================== 视图通用 header ==================== */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--margin);
}

.view-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.view-actions {
    display: flex;
    gap: var(--margin-xs);
}

/* ==================== 深色模式各视图升级 ==================== */
body.dark-mode .history-container,
body.dark-mode .settings-group,
body.dark-mode .control-panel,
body.dark-mode .device-status-card,
body.dark-mode .scene-panel {
    background: linear-gradient(145deg, #0e1117, #111827);
    border: 1px solid rgba(255,255,255,0.07);
}

body.dark-mode .chart-card,
body.dark-mode .video-info,
body.dark-mode .snapshot-gallery,
body.dark-mode .video-player {
    background: linear-gradient(145deg, #0e1117, #111827);
    border: 1px solid rgba(255,255,255,0.07);
}

body.dark-mode .control-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
}

body.dark-mode .control-card:hover {
    background: rgba(64,150,255,0.06);
    border-color: rgba(64,150,255,0.2);
}

body.dark-mode .control-card.active {
    background: rgba(82,196,26,0.08);
    border-color: rgba(82,196,26,0.25);
}

body.dark-mode .scene-btn {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
}

body.dark-mode .scene-btn:hover {
    background: rgba(64,150,255,0.1);
    border-color: rgba(64,150,255,0.3);
}

body.dark-mode .history-table th {
    background: rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.45);
}

body.dark-mode .history-table tbody tr:hover {
    background: rgba(64,150,255,0.05);
}

body.dark-mode .form-group input,
body.dark-mode .threshold-item input {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
    color: var(--color-text);
}

body.dark-mode .form-group input:focus,
body.dark-mode .threshold-item input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(64,150,255,0.15);
}

/* ==================== 视频监控升级 ==================== */
.video-player {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
}

body.dark-mode .video-placeholder {
    background: linear-gradient(145deg, #0a0d14, #0e1117);
}

body.dark-mode .video-placeholder svg {
    color: rgba(64,150,255,0.3);
    filter: drop-shadow(0 0 12px rgba(64,150,255,0.2));
}

/* ==================== 设置视图升级 ==================== */
body.dark-mode .settings-container h2 {
    background: linear-gradient(135deg, #fff 60%, rgba(255,255,255,0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 历史数据升级 ==================== */
body.dark-mode .history-header h2 {
    background: linear-gradient(135deg, #fff 60%, rgba(255,255,255,0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 控制面板图标升级 ==================== */
body.dark-mode .control-icon.led { color: #ffd666; }
body.dark-mode .control-icon.fan { color: #69b1ff; }
body.dark-mode .control-icon.buzzer { color: #ff85c2; }
body.dark-mode .control-icon.relay { color: #95de64; }

/* ==================== bgCanvas 粒子背景 ==================== */
#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}