/* ============================================================
   Premium Dark Theme - 智能健康监护系统
   高端医疗级暗色主题，融合现代设计与专业美学
   ============================================================ */

/* ==================== 设计哲学 ==================== */
/*
  目标：创建一个精致、专业、充满科技感的医疗监控界面
  风格：深色奢华 + 医疗精准 + 未来科技
  特点：
  - 深邃的背景层次（#0a0e1a → #141824）
  - 霓虹蓝/青色强调色（#00d4aa, #4096ff）
  - 玻璃态射效果（backdrop-filter）
  - 精细的光晕和辉光
  - 流畅的动画过渡
*/

/* ==================== 核心色彩系统 ==================== */
:root {
    /* 主色调 - 医疗科技蓝 */
    --premium-primary: #4096ff;
    --premium-primary-light: #69b1ff;
    --premium-primary-dark: #1677ff;
    --premium-accent: #00d4aa;
    --premium-accent-light: #36f5d2;

    /* 背景层次 - 深空渐变 */
    --premium-bg-base: #0a0e1a;
    --premium-bg-elevated: #141824;
    --premium-bg-card: rgba(20, 24, 36, 0.6);
    --premium-bg-glass: rgba(255, 255, 255, 0.03);
    --premium-bg-overlay: rgba(10, 14, 26, 0.95);

    /* 文字层次 */
    --premium-text-primary: rgba(255, 255, 255, 0.95);
    --premium-text-secondary: rgba(255, 255, 255, 0.65);
    --premium-text-tertiary: rgba(255, 255, 255, 0.45);
    --premium-text-disabled: rgba(255, 255, 255, 0.25);

    /* 边框与分割线 */
    --premium-border: rgba(255, 255, 255, 0.08);
    --premium-border-light: rgba(255, 255, 255, 0.04);
    --premium-border-strong: rgba(255, 255, 255, 0.12);
    --premium-divider: rgba(255, 255, 255, 0.06);

    /* 状态色 - 医疗级配色 */
    --premium-success: #52c41a;
    --premium-success-bg: rgba(82, 196, 26, 0.1);
    --premium-warning: #faad14;
    --premium-warning-bg: rgba(250, 173, 20, 0.1);
    --premium-error: #ff4d4f;
    --premium-error-bg: rgba(255, 77, 79, 0.1);
    --premium-info: #1890ff;
    --premium-info-bg: rgba(24, 144, 255, 0.1);

    /* 健康指标专用色 */
    --metric-heart: #ff6b9d;
    --metric-oxygen: #9d6bff;
    --metric-temp: #ff6b6b;
    --metric-humidity: #4dabf7;
    --metric-env-temp: #ffa94d;
    --metric-env-humidity: #51cf66;

    /* 阴影系统 - 分层深度 */
    --premium-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --premium-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --premium-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --premium-shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.45);
    --premium-shadow-glow: 0 0 20px rgba(64, 150, 255, 0.3);
    --premium-shadow-glow-strong: 0 0 30px rgba(64, 150, 255, 0.5);

    /* 圆角系统 */
    --premium-radius-xs: 4px;
    --premium-radius-sm: 8px;
    --premium-radius-md: 12px;
    --premium-radius-lg: 16px;
    --premium-radius-xl: 20px;
    --premium-radius-full: 9999px;

    /* 间距系统 */
    --premium-space-xs: 4px;
    --premium-space-sm: 8px;
    --premium-space-md: 12px;
    --premium-space-lg: 16px;
    --premium-space-xl: 24px;
    --premium-space-2xl: 32px;
    --premium-space-3xl: 48px;

    /* 动画时长 */
    --premium-duration-fast: 0.15s;
    --premium-duration-normal: 0.3s;
    --premium-duration-slow: 0.5s;

    /* 动画曲线 */
    --premium-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --premium-ease-in: cubic-bezier(0.4, 0, 1, 1);
    --premium-ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* ==================== 全局基础样式 ==================== */
body.dark-mode {
    background: var(--premium-bg-base);
    color: var(--premium-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 主容器 - 深空渐变背景 */
body.dark-mode .app-container {
    background: radial-gradient(ellipse at top, #141824 0%, #0a0e1a 50%, #060810 100%);
    min-height: 100vh;
    position: relative;
}

/* 添加微妙的噪点纹理 */
body.dark-mode .app-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

body.dark-mode .app-container > * {
    position: relative;
    z-index: 2;
}

/* ==================== 侧边栏高级样式 ==================== */
body.dark-mode .sidebar {
    background: var(--premium-bg-overlay);
    backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid var(--premium-border);
    box-shadow: var(--premium-shadow-lg);
    position: relative;
}

/* 侧边栏顶部渐变装饰 */
body.dark-mode .sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(64, 150, 255, 0.08) 0%, transparent 100%);
    pointer-events: none;
}

body.dark-mode .sidebar-header {
    padding: var(--premium-space-2xl) var(--premium-space-xl);
    border-bottom: 1px solid var(--premium-divider);
    position: relative;
    z-index: 1;
}

body.dark-mode .logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

body.dark-mode .logo-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-accent) 100%);
    border-radius: var(--premium-radius-md);
    box-shadow: 0 4px 16px rgba(64, 150, 255, 0.4),
                0 0 24px rgba(0, 212, 170, 0.2);
    position: relative;
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(64, 150, 255, 0.4),
                    0 0 24px rgba(0, 212, 170, 0.2);
    }
    50% {
        box-shadow: 0 4px 20px rgba(64, 150, 255, 0.6),
                    0 0 32px rgba(0, 212, 170, 0.3);
    }
}

body.dark-mode .logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, var(--premium-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

body.dark-mode .logo-sub {
    font-size: 11px;
    color: var(--premium-text-tertiary);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* 导航项 - 精致设计 */
body.dark-mode .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin: 6px 12px;
    border-radius: var(--premium-radius-md);
    color: var(--premium-text-secondary);
    transition: all var(--premium-duration-normal) var(--premium-ease);
    position: relative;
    overflow: visible;
}

/* 左侧蓝色指示条 */
body.dark-mode .nav-item::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, var(--premium-primary) 0%, var(--premium-accent) 100%);
    border-radius: 0 2px 2px 0;
    transition: transform var(--premium-duration-normal) var(--premium-ease);
}

body.dark-mode .nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text-primary);
}

body.dark-mode .nav-item.active {
    background: rgba(64, 150, 255, 0.12);
    color: #ffffff;
}

body.dark-mode .nav-item.active::before {
    transform: translateY(-50%) scaleY(1);
}

/* 导航图标 - 深色方形容器 */
body.dark-mode .nav-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--premium-radius-sm);
    transition: all var(--premium-duration-normal) var(--premium-ease);
    flex-shrink: 0;
}

body.dark-mode .nav-item:hover .nav-icon {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
}

body.dark-mode .nav-item.active .nav-icon {
    background: rgba(64, 150, 255, 0.2);
    border-color: rgba(64, 150, 255, 0.3);
}

body.dark-mode .nav-text {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* ==================== 仪表盘 - 高级卡片 ==================== */
body.dark-mode .metric-card {
    background: var(--premium-bg-card);
    backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    padding: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

body.dark-mode .metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--premium-primary) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

body.dark-mode .metric-card:hover {
    background: rgba(20, 24, 36, 0.8);
    border-color: rgba(64, 150, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--premium-shadow-lg), var(--premium-shadow-glow);
}

body.dark-mode .metric-card:hover::before {
    opacity: 1;
}

/* 指标图标 - 发光效果 */
.metric-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--premium-radius-md);
    margin-bottom: 16px;
    font-size: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.metric-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--premium-radius-md);
    background: inherit;
    filter: blur(12px);
    opacity: 0.4;
    z-index: -1;
}

/* 体温 - 红色辉光 */
body.dark-mode .metric-card[data-metric="bodyTemp"] .metric-icon {
    background: linear-gradient(135deg, rgba(255, 77, 79, 0.2) 0%, rgba(255, 77, 79, 0.05) 100%);
    color: #ff6b6b;
    box-shadow: 0 0 20px rgba(255, 77, 79, 0.3);
}

/* 心率 - 粉色辉光 */
body.dark-mode .metric-card[data-metric="heartRate"] .metric-icon {
    background: linear-gradient(135deg, rgba(240, 98, 146, 0.2) 0%, rgba(240, 98, 146, 0.05) 100%);
    color: #f06292;
    box-shadow: 0 0 20px rgba(240, 98, 146, 0.3);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10% { transform: scale(1.1); }
    20% { transform: scale(1); }
    30% { transform: scale(1.1); }
    40% { transform: scale(1); }
}

/* 血氧 - 紫色辉光 */
body.dark-mode .metric-card[data-metric="spo2"] .metric-icon {
    background: linear-gradient(135deg, rgba(171, 71, 188, 0.2) 0%, rgba(171, 71, 188, 0.05) 100%);
    color: #ab47bc;
    box-shadow: 0 0 20px rgba(171, 71, 188, 0.3);
}

/* 湿度 - 蓝色辉光 */
body.dark-mode .metric-card[data-metric="humidity"] .metric-icon {
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.2) 0%, rgba(66, 165, 245, 0.05) 100%);
    color: #42a5f5;
    box-shadow: 0 0 20px rgba(66, 165, 245, 0.3);
}

/* 环境温度 - 橙色辉光 */
body.dark-mode .metric-card[data-metric="envTemp"] .metric-icon {
    background: linear-gradient(135deg, rgba(255, 167, 38, 0.2) 0%, rgba(255, 167, 38, 0.05) 100%);
    color: #ffa726;
    box-shadow: 0 0 20px rgba(255, 167, 38, 0.3);
}

/* 环境湿度 - 绿色辉光 */
body.dark-mode .metric-card[data-metric="envHumidity"] .metric-icon {
    background: linear-gradient(135deg, rgba(102, 187, 106, 0.2) 0%, rgba(102, 187, 106, 0.05) 100%);
    color: #66bb6a;
    box-shadow: 0 0 20px rgba(102, 187, 106, 0.3);
}

/* 指标标签 */
.metric-label {
    font-size: 13px;
    color: var(--premium-text-tertiary);
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 指标数值 - 大号显示 */
.metric-value {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    margin: 12px 0;
    color: var(--premium-text-primary);
    font-variant-numeric: tabular-nums;
}

.metric-value .unit {
    font-size: 18px;
    font-weight: 500;
    color: var(--premium-text-secondary);
    margin-left: 6px;
}

/* 趋势指示器 */
.metric-trend {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--premium-text-tertiary);
    margin-top: 12px;
}

.trend-indicator {
    font-size: 10px;
}

.trend-indicator.up {
    color: var(--premium-success);
}

.trend-indicator.down {
    color: var(--premium-error);
}

/* ==================== 顶部导航栏 ==================== */
body.dark-mode .top-header {
    background: rgba(20, 24, 36, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--premium-border);
    padding: 20px 32px;
    box-shadow: var(--premium-shadow-sm);
}

body.dark-mode .header-title h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--premium-text-primary);
    margin-bottom: 4px;
}

body.dark-mode .header-subtitle {
    font-size: 13px;
    color: var(--premium-text-tertiary);
    font-weight: 500;
}

/* 按钮样式 - 现代设计 */
body.dark-mode .btn {
    padding: 10px 20px;
    border-radius: var(--premium-radius-sm);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

body.dark-mode .btn-primary,
body.dark-mode #connectBtn {
    background: linear-gradient(135deg, #4096ff 0%, #1677ff 100%);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(64, 150, 255, 0.3);
}

body.dark-mode .btn-primary:hover,
body.dark-mode #connectBtn:hover {
    background: linear-gradient(135deg, #69b1ff 0%, #4096ff 100%);
    box-shadow: 0 4px 16px rgba(64, 150, 255, 0.5);
    transform: translateY(-2px);
}

body.dark-mode .btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--premium-border);
    color: var(--premium-text-primary);
}

body.dark-mode .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

body.dark-mode .theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--premium-radius-sm);
    border: 1px solid var(--premium-border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--premium-text-primary);
}

/* ==================== 位置追踪优化 ==================== */
body.dark-mode .device-location-card {
    background: rgba(20, 24, 36, 0.8);
    backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--premium-shadow-md);
}

body.dark-mode .dlc-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

body.dark-mode .dlc-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--premium-radius-md);
    flex-shrink: 0;
}

body.dark-mode .dlc-info {
    flex: 1;
}

body.dark-mode .dlc-address {
    font-size: 16px;
    font-weight: 600;
    color: var(--premium-text-primary);
    margin-bottom: 8px;
}

body.dark-mode .dlc-coords {
    font-size: 13px;
    color: var(--premium-text-tertiary);
    font-family: 'Courier New', monospace;
}

body.dark-mode .nav-mode-btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--premium-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--premium-duration-normal) var(--premium-ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

body.dark-mode .nav-mode-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--premium-text-primary);
    transform: translateY(-2px);
}

body.dark-mode .nav-mode-btn.active {
    background: linear-gradient(135deg, #4096ff 0%, #1677ff 100%);
    border-color: #4096ff;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(64, 150, 255, 0.4),
                0 0 20px rgba(64, 150, 255, 0.2);
}

/* ==================== 系统设置页面 ==================== */
body.dark-mode .settings-container {
    padding: 32px;
}

body.dark-mode .settings-container h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--premium-text-primary);
    margin-bottom: 32px;
}

body.dark-mode .settings-group {
    background: rgba(20, 24, 36, 0.6);
    backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

body.dark-mode .settings-group h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--premium-text-primary);
    margin-bottom: 20px;
}

body.dark-mode .form-group label,
body.dark-mode .threshold-item label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--premium-text-secondary);
    margin-bottom: 8px;
}

body.dark-mode .form-group input,
body.dark-mode .threshold-item input {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--premium-radius-sm);
    border: 1px solid var(--premium-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--premium-text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

body.dark-mode .form-group input:focus,
body.dark-mode .threshold-item input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--premium-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(64, 150, 255, 0.1);
}

body.dark-mode .threshold-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

body.dark-mode .settings-desc {
    font-size: 13px;
    color: var(--premium-text-tertiary);
    margin-bottom: 16px;
    line-height: 1.6;
}

body.dark-mode .toggle-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

body.dark-mode .toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

body.dark-mode .toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

body.dark-mode .toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--premium-border);
    border-radius: 13px;
    transition: all 0.3s ease;
}

body.dark-mode .toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: #ffffff;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

body.dark-mode .toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, #4096ff 0%, #1677ff 100%);
    border-color: #4096ff;
}

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

body.dark-mode .toggle-label {
    font-size: 14px;
    color: var(--premium-text-primary);
    font-weight: 500;
}

body.dark-mode .btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

body.dark-mode .btn:hover::before {
    width: 300px;
    height: 300px;
}

body.dark-mode .btn-primary {
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-accent) 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(64, 150, 255, 0.3);
}

body.dark-mode .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(64, 150, 255, 0.4);
}

body.dark-mode .btn-secondary {
    background: var(--premium-bg-glass);
    color: var(--premium-text-primary);
    border: 1px solid var(--premium-border);
}

body.dark-mode .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--premium-primary);
}

/* ==================== 控制卡片 ==================== */
body.dark-mode .control-card {
    background: var(--premium-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    padding: 24px;
    transition: all 0.3s ease;
    text-align: center;
}

body.dark-mode .control-card:hover {
    border-color: rgba(64, 150, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: var(--premium-shadow-md);
}

body.dark-mode .control-card.active {
    background: rgba(82, 196, 26, 0.1);
    border-color: var(--premium-success);
    box-shadow: 0 0 20px rgba(82, 196, 26, 0.2);
}

/* 开关样式 - 精致设计 */
.control-switch {
    display: inline-flex;
    align-items: center;
}

.control-switch input[type="checkbox"] {
    display: none;
}

.switch-slider {
    width: 52px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--premium-border);
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
    top: 2px;
    left: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.control-switch input[type="checkbox"]:checked + .switch-slider {
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-accent) 100%);
    border-color: var(--premium-primary);
    box-shadow: 0 0 12px rgba(64, 150, 255, 0.4);
}

.control-switch input[type="checkbox"]:checked + .switch-slider::before {
    transform: translateX(24px);
}

/* ==================== 图表容器 ==================== */
body.dark-mode .chart-card {
    background: var(--premium-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    padding: 24px;
    transition: all 0.3s ease;
}

body.dark-mode .chart-card:hover {
    border-color: rgba(64, 150, 255, 0.3);
    box-shadow: var(--premium-shadow-md);
}

body.dark-mode .chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--premium-text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--premium-divider);
}

/* ==================== 地图视图 ==================== */
body.dark-mode .map-container {
    border-radius: var(--premium-radius-lg);
    overflow: hidden;
    box-shadow: var(--premium-shadow-lg);
    border: 1px solid var(--premium-border);
}

body.dark-mode .map-bottom-panel {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    border-radius: var(--premium-radius-xl) var(--premium-radius-xl) 0 0;
    border-top: 1px solid var(--premium-border);
    padding: 24px;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
}

/* ==================== 视频监控 ==================== */
body.dark-mode .video-player {
    background: var(--premium-bg-elevated);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-lg);
    overflow: hidden;
    box-shadow: var(--premium-shadow-lg);
}

body.dark-mode .video-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--premium-text-tertiary);
    background: linear-gradient(135deg, rgba(64, 150, 255, 0.05) 0%, rgba(0, 212, 170, 0.05) 100%);
}

/* ==================== 表格样式 ==================== */
body.dark-mode .history-table {
    background: var(--premium-bg-card);
    border-radius: var(--premium-radius-md);
    overflow: hidden;
    border: 1px solid var(--premium-border);
}

body.dark-mode .history-table th {
    background: rgba(64, 150, 255, 0.08);
    color: var(--premium-text-primary);
    font-weight: 600;
    padding: 14px 16px;
    text-align: left;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

body.dark-mode .history-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--premium-border-light);
    color: var(--premium-text-secondary);
    font-size: 14px;
}

body.dark-mode .history-table tbody tr {
    transition: all 0.2s ease;
}

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

/* ==================== 输入框样式 ==================== */
body.dark-mode input[type="text"],
body.dark-mode input[type="number"] {
    background: var(--premium-bg-glass);
    border: 1px solid var(--premium-border);
    border-radius: var(--premium-radius-sm);
    padding: 10px 14px;
    color: var(--premium-text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

body.dark-mode input[type="text"]:focus,
body.dark-mode input[type="number"]:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--premium-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(64, 150, 255, 0.1);
}

/* ==================== 滚动条美化 ==================== */
body.dark-mode ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

body.dark-mode ::-webkit-scrollbar-track {
    background: var(--premium-bg-elevated);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: rgba(64, 150, 255, 0.3);
    border-radius: 4px;
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: rgba(64, 150, 255, 0.5);
}

/* ==================== 加载动画 ==================== */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.loading-shimmer {
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(64, 150, 255, 0.1) 50%,
        transparent 100%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    body.dark-mode .sidebar {
        width: 100%;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        border-right: none;
        border-top: 1px solid var(--premium-border);
        z-index: 1000;
    }

    body.dark-mode .metric-card {
        padding: 16px;
    }

    body.dark-mode .metric-value {
        font-size: 28px;
    }
}