/* ========================================
   CSS Variables - 天天私教 UI Design System V2.0
   ======================================== */
:root {
    /* ======= Brand Colors (品牌色) ======= */
    --primary-default: #FF6418;
    --primary-gradient-start: #FFC85E;
    --primary-gradient-end: #FA6720;
    --brand-extension-click: #F97F25;
    --brand-extension-1: #F9A86C;
    --brand-extension-disabled: #FAD1B3;

    /* ======= Functional Colors (功能色) ======= */
    --warning-1: #FF483C;
    --warning-2: #FF5A4F;
    --warning-3: #FD8F88;
    --warning-4: #FCC5C1;
    --success-1: #00C525;
    --success-2: #66DC7C;
    --success-3: #99E8A8;

    /* ======= Neutral Colors (中性色) ======= */
    --text-primary: #333333;
    --text-secondary: #474747;
    --text-tertiary: #838383;
    --text-disabled: #BEBEBE;
    --bg-white: #FFFFFF;
    --bg-grey-1: #F4F4F4;
    --bg-grey-2: #FAFAFA;
    --bg-grey-3: #F0F0F0;
    --overlay-dark: rgba(0, 0, 0, 0.7);

    /* ======= Shadows (阴影 - Spec 2.4) ======= */
    --shadow-base: 0 10px 20px 0 rgba(0, 0, 0, 0.06);
    --shadow-dropdown: 0 14px 20px 0 rgba(0, 0, 0, 0.06);
    --shadow-modal: 0 30px 48px 0 rgba(0, 0, 0, 0.15);

    /* ======= Spacing Tokens (间距 - 8px Grid) ======= */
    --space-xs: 4px;
    --space-s: 8px;
    --space-m: 16px;
    --space-lg: 12px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;

    /* ======= Radius Tokens (圆角) ======= */
    --radius-xs: 4px;
    --radius-s: 8px;
    --radius-m: 16px;
    --radius-l: 24px;
    --radius-xl: 32px;

    /* ======= Legacy Mappings (兼容旧代码) ======= */
    --bg-primary: var(--bg-grey-1);
    --bg-secondary: var(--bg-white);
    --bg-tertiary: var(--bg-grey-3);
    --text-muted: var(--text-tertiary);
    --border-color: var(--bg-grey-3);
    --accent-color: var(--primary-default);
    --accent-hover: var(--brand-extension-click);
    --accent-light: rgba(255, 100, 24, 0.1);
    --success-color: var(--success-1);
    --warning-color: var(--warning-2);
    --danger-color: var(--warning-1);
    --shadow-sm: var(--shadow-base);
    --shadow-md: var(--shadow-dropdown);
    --shadow-lg: var(--shadow-modal);
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(255, 255, 255, 0.5);
    --track-color: var(--primary-default);
    --track-glow: rgba(255, 100, 24, 0.4);
    --primary-rgb: 255, 100, 24;
}

[data-theme="dark"] {
    /* Dark Theme - Maintain consistency with Spec neutral tones */
    --bg-primary: #1A1A1A;
    --bg-secondary: #2A2A2A;
    --bg-tertiary: #3A3A3A;
    --text-primary: #F0F0F0;
    --text-secondary: #BEBEBE;
    --text-muted: #838383;
    --border-color: #3A3A3A;
    --accent-color: var(--primary-default);
    --accent-hover: var(--brand-extension-click);
    --accent-light: rgba(255, 100, 24, 0.15);
    --shadow-sm: 0 10px 20px 0 rgba(0, 0, 0, 0.15);
    --shadow-md: 0 14px 20px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 30px 48px 0 rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(42, 42, 42, 0.92);
    --glass-border: rgba(58, 58, 58, 0.6);
    --track-color: var(--primary-default);
    --track-glow: rgba(255, 100, 24, 0.5);
    --primary-rgb: 255, 100, 24;
}

/* ========================================
   Base Styles - Spec 2.2 Typography
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "HarmonyOS Sans", "Source Han Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 12px;
    /* Base = Body/2 for @2x screens, use rem for scaling */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
    display: none !important;
}

/* ========================================
   Layout
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ========================================
   Header
   ======================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
}

.logo i {
    font-size: 1.5rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Menu Dropdown */
.menu-container {
    position: relative;
}

.menu-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: 0.5rem 0;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.menu-dropdown.hidden {
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.625rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
    text-align: left;
}

.menu-item:hover {
    background: var(--accent-light);
}

.menu-item i {
    width: 1rem;
    text-align: center;
    color: var(--text-secondary);
}

.menu-item.recording {
    color: var(--danger-color);
}

.menu-item.recording i {
    color: var(--danger-color);
    animation: pulse 1.5s infinite;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ========================================
   Map
   ======================================== */
.map-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.map-container {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
}

/* Map Controls */
.map-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 10;
}

/* ========================================
   Upload Overlay
   ======================================== */
.upload-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    z-index: 50;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.upload-box {
    text-align: center;
    padding: 3rem 4rem;
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 2px dashed var(--border-color);
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.upload-box:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.upload-box.drag-over {
    border-color: var(--accent-color);
    background: var(--accent-light);
}

.upload-box i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.upload-box h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-box p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ========================================
   Data Panel (Expandable) - Mobile First
   ======================================== */
.data-panel {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    display: flex;
    flex-direction: column;
    /* 移动优先：纵向布局 */
    align-items: stretch;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-radius: 0.75rem;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    z-index: 10;
    /* 移动优先：响应式尺寸，无固定px限制 */
    max-width: min(20rem, 50vw);
    max-height: 50vh;
    min-width: 0;
    transition: opacity 0.3s ease, transform 0.3s ease, max-width 0.3s ease, max-height 0.3s ease;
    overflow: hidden;
}

.data-panel.hidden {
    opacity: 0;
    transform: translateX(-20px);
    pointer-events: none;
}

.data-panel.expanded {
    width: 100%;
    max-width: min(28rem, 50vw);
    /* 展开时更宽，仍用rem */
    max-height: 50vh;
}

/* Data Summary Section - 灵活布局支持换行 */
.data-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding: 0.5rem 0.625rem;
    align-items: flex-start;
}

.data-item {
    display: flex;
    flex-direction: row;
    /* 横向排列：标签 数值 */
    gap: 0.25rem;
    /* 标签和数值之间的间距 */
    align-items: baseline;
    /* 基线对齐，确保文字底部对齐 */
    min-width: 0;
}

.data-label {
    font-size: 0.5rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.data-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 数据单位 - 显著缩小 */
.data-unit {
    font-size: 0.5rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.125rem;
}

/* Panel Content - 主内容区 */
.panel-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
    /* 允许收缩 */
}

/* 面板折叠状态 - 仅显示图标 */
.data-panel.collapsed .panel-content {
    display: none;
}

.data-panel.collapsed {
    max-width: 44px;
    min-width: 44px;
}

.data-panel.collapsed .panel-collapse-toggle {
    margin: 0.5rem;
}

/* Data Summary - 可点击区域，增加视觉反馈 */
.data-summary:hover {
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 0.5rem;
    transition: background 0.2s ease;
}

/* Charts Container - 灵活布局支持换行 */
.charts-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    padding: 0 0.5rem 0.5rem;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
}

/* 图表卡片 - 弹性宽度 */
.chart-wrapper {
    flex: 1 1 calc(33.333% - 0.25rem);
    min-width: 80px;
    max-width: 100%;
}

.charts-container.collapsed {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.data-panel.expanded .charts-container {
    /* 响应式高度，无固定px */
    max-height: clamp(12rem, 30vh, 20rem);
    opacity: 1;
    padding: 0 0.5rem 0.5rem;
}

/* Chart Wrapper - 紧凑设计 */
.chart-wrapper {
    position: relative;
    /* 关键：作为 overlay 的定位参照 */
    background: var(--bg-secondary);
    border-radius: 0.375rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Chart Overlay - 悬浮在图表上方 */
.chart-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.25rem 0.375rem;
    pointer-events: none;
    z-index: 5;
}

.chart-title {
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
    text-shadow: 0 0 3px var(--bg-secondary);
}

.chart-value {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 3px var(--bg-secondary);
}

.chart-unit {
    font-size: 0.375rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.125rem;
    /* 增加间距 */
}

.chart-body {
    position: relative;
    /* 使用视口单位，保持合理宽高比 */
    height: clamp(50px, 12vh, 100px);
    padding: 0.25rem 0.125rem 0.125rem;
}

.chart-body canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Chart Color Coding (顺序：配速/心率/海拔) */
.chart-wrapper:nth-child(1) {
    border-left: 3px solid #34d399;
    /* Pace - Green */
}

.chart-wrapper:nth-child(2) {
    border-left: 3px solid #f472b6;
    /* Heart Rate - Pink */
}

.chart-wrapper:nth-child(3) {
    border-left: 3px solid #60a5fa;
    /* Altitude - Blue */
}

.chart-wrapper:nth-child(1) .chart-title {
    color: #34d399;
}

.chart-wrapper:nth-child(2) .chart-title {
    color: #f472b6;
}

.chart-wrapper:nth-child(3) .chart-title {
    color: #60a5fa;
}

/* ========================================
   Multi-User Data Panel Styles
   ======================================== */

/* User Row - each user's summary data */
.data-user-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    border-radius: 0.5rem;
    transition: background 0.2s ease;
}

.data-user-row:hover {
    background: var(--accent-light);
}

/* User Avatar - numbered circle */
.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    min-width: 1.5rem;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-sm);
}

/* User Data Container */
.user-data {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.user-name {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* User Stats Row */
.user-stats {
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: 0.125rem;
}

.stat-value {
    font-size: 0.75rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

.stat-unit {
    font-size: 0.5rem;
    font-weight: 400;
    color: var(--text-muted);
}

/* Chart Values Container - Multi-user values */
.chart-values {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.125rem 0.375rem;
}

.chart-values .chart-value {
    display: inline-flex;
    align-items: baseline;
    font-size: 0.625rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.chart-values .chart-value .value {
    text-align: right;
}

.chart-values .chart-value .chart-unit {
    font-size: 0.375rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 0.0625rem;
}

/* ========================================
   Player Controls - Floating Card Design
   ======================================== */
.player-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    width: calc(100% - 1.5rem);
    max-width: 600px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 20;
}

.player-controls.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(100%);
    pointer-events: none;
}

/* Timeline */
.player-timeline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.time-display {
    font-size: 0.75rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
    min-width: 55px;
}

.timeline {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    transition: height 0.2s ease;
}

.timeline:hover {
    height: 12px;
}

.timeline-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--track-color));
    border-radius: 4px;
    width: 0%;
    /* 移除过渡动画以确保及时更新 */
}

.timeline-handle {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    z-index: 1;
}

.timeline-handle:hover {
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 0 0 4px var(--track-glow);
}

.timeline-handle:active {
    cursor: grabbing;
}

/* Player Buttons */
.player-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.speed-control {
    display: flex;
    align-items: center;
    margin-left: 0.75rem;
}

.speed-select {
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.speed-select:hover {
    border-color: var(--accent-color);
}

.speed-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-light);
}

/* Record Control */
.record-control {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--border-color);
}

#btn-record {
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
}

#btn-record:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger-color);
}

#btn-record.recording {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
    animation: pulse 1.5s infinite;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

@keyframes pulse {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   Buttons - Spec 3.2 Button Hierarchy
   ======================================== */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    /* Min touch target per Spec */
    height: 44px;
    padding: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-s);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--accent-light);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* Primary Play Button - Brand Gradient */
.btn-play {
    width: 48px;
    height: 48px;
    font-size: 1.125rem;
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border: none;
    color: white;
    box-shadow: var(--shadow-base);
}

.btn-play:hover {
    background: linear-gradient(135deg, var(--brand-extension-1), var(--primary-default));
    color: white;
    box-shadow: var(--shadow-dropdown);
}

/* Primary Button - Gradient Background */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    padding: var(--space-s) var(--space-m);
    background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
    border: none;
    border-radius: var(--radius-s);
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-base);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-extension-1), var(--brand-extension-click));
    transform: translateY(-1px);
    box-shadow: var(--shadow-dropdown);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    margin-left: 1.5rem;
    transition: all 0.2s ease;
}

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

/* ========================================
   Utilities
   ======================================== */
.hidden {
    display: none !important;
}

/* ========================================
   Animations
   ======================================== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* ========================================
   Responsive - Multi-breakpoint Layout
   ======================================== */

/* 平板及以上 - 图表横向排列 */
@media (min-width: 769px) {
    .data-panel.expanded {
        max-width: 600px;
    }

    .charts-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========================================
   响应式断点 - 覆盖所有设备和方向
   ======================================== */

/* 大屏桌面 (>1440px) - 横屏 */
@media (min-width: 1441px) and (orientation: landscape) {
    .data-panel {
        max-width: min(45rem, 55vw) !important;
    }

    .data-panel.expanded {
        max-width: min(70rem, 65vw) !important;
    }
}

/* 桌面/笔记本 (1025px-1440px) - 横屏 */
@media (min-width: 1025px) and (max-width: 1440px) and (orientation: landscape) {
    .data-panel {
        max-width: min(38rem, 52vw) !important;
    }

    .data-panel.expanded {
        max-width: min(62rem, 60vw) !important;
    }

    .chart-body {
        height: clamp(80px, 12vh, 120px) !important;
    }
}

/* 平板横屏 (768px-1024px, landscape) */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .data-panel {
        max-width: min(30rem, 50vw) !important;
        max-height: 50vh !important;
    }

    .data-panel.expanded {
        max-width: min(45rem, 50vw) !important;
    }

    .data-summary {
        flex-wrap: wrap !important;
    }

    .charts-container {
        flex-wrap: wrap !important;
    }

    .chart-body {
        height: clamp(70px, 10vh, 100px) !important;
    }
}

/* 平板竖屏 (768px-1024px, portrait) - 包含iPad Mini */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .data-panel {
        max-width: min(25rem, 50vw) !important;
        max-height: 50vh !important;
    }

    .data-panel.expanded {
        max-width: min(35rem, 50vw) !important;
    }

    /* data-summary保持默认flex-wrap，让数据项根据宽度自动换行 */
    .charts-container {
        flex-direction: column !important;
        flex-wrap: nowrap !important;
    }

    .chart-body {
        height: clamp(4rem, 10vh, 7rem) !important;
    }
}

/* 手机横屏 (≤767px, landscape) */
@media (max-width: 767px) and (orientation: landscape) {
    .data-panel {
        max-width: min(20rem, 50vw) !important;
        max-height: 50vh !important;
    }

    .data-panel.expanded {
        max-width: min(30rem, 50vw) !important;
    }

    .data-summary {
        flex-wrap: wrap !important;
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }

    .data-item {
        min-width: 4.5rem;
    }

    .data-value {
        font-size: 0.875rem;
    }

    .data-label {
        font-size: 0.625rem;
    }

    .charts-container {
        flex-wrap: wrap !important;
    }

    .chart-body {
        height: clamp(50px, 10vh, 80px) !important;
    }
}

/* 手机竖屏 (≤767px, portrait) */
@media (max-width: 767px) and (orientation: portrait) {
    .data-panel {
        max-width: min(20rem, 50vw) !important;
        max-height: 50vh !important;
    }

    .data-panel.expanded {
        max-width: min(28rem, 50vw) !important;
    }

    /* 窄屏时允许数据项换行，不强制纵向 */
    .data-summary {
        gap: 0.375rem 0.75rem;
        padding: clamp(0.25rem, 1vh, 0.5rem) clamp(0.5rem, 2vw, 1rem);
    }

    .data-item {
        flex-direction: row;
        justify-content: space-between;
    }

    .charts-container {
        flex-direction: column !important;
        flex-wrap: nowrap !important;
        gap: clamp(0.125rem, 0.5vh, 0.375rem) !important;
    }

    .chart-wrapper {
        flex: 0 0 auto !important;
        width: 100% !important;
    }

    .chart-body {
        height: clamp(3rem, 8vh, 6rem) !important;
    }

    .data-panel.expanded .charts-container {
        max-height: none !important;
    }
}

/* 移动端竖屏 - 紧凑布局 */
@media (max-width: 480px) {
    .header {
        padding: 0.375rem 0.75rem;
    }

    .logo span {
        display: none;
    }

    .upload-box {
        padding: 1.5rem;
        margin: 0.75rem;
    }

    /* 数据面板 - 使用视口单位限制 */
    .data-panel {
        top: 0.375rem;
        left: 0.375rem;
        right: auto;
        max-width: min(160px, 42vw);
        min-width: 100px;
        border-radius: 0.5rem;
    }

    .data-panel.expanded {
        max-width: min(240px, 60vw);
    }

    /* 移动端数据项 - 固定2列 */
    .data-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.125rem 0.375rem;
        padding: 0.375rem 0.5rem;
    }

    /* 第5个数据项(海拔)跨2列居中 */
    .data-item:nth-child(5) {
        grid-column: 1 / -1;
        justify-self: center;
        max-width: 50%;
    }

    .data-item.clickable {
        padding: 0.125rem;
        margin: -0.125rem;
    }

    .data-value {
        font-size: 0.625rem;
    }

    .data-label {
        font-size: 0.4375rem;
    }

    /* 图表容器 - 固定3列 */
    .charts-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.125rem;
        padding: 0 0.25rem 0.25rem;
    }

    .data-panel.expanded .charts-container {
        max-height: min(80px, 10vh);
        padding: 0 0.25rem 0.25rem;
    }

    .chart-wrapper {
        border-radius: 0.25rem;
    }

    .chart-header {
        padding: 0.0625rem 0.125rem;
    }

    .chart-body {
        height: min(28px, 3.5vh);
        padding: 0.0625rem;
    }

    .chart-title {
        font-size: 0.3125rem;
    }

    /* 播放控制 - 浮动卡片优化 */
    .player-controls {
        bottom: 1rem;
        padding: 0.5rem 0.75rem;
        width: calc(100% - 1rem);
        max-width: none;
        gap: 0.375rem;
    }

    .player-timeline {
        gap: 0.5rem;
    }

    .player-buttons {
        gap: 0.375rem;
    }

    .btn-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .btn-play {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .speed-control {
        margin-left: 0.5rem;
    }

    .speed-select {
        font-size: 0.75rem;
        padding: 0.25rem 0.375rem;
    }

    .time-display {
        font-size: 0.625rem;
        min-width: 45px;
    }
}

/* 超小屏幕 - 极简布局 */
@media (max-width: 360px) {
    .data-panel {
        max-width: 150px;
    }

    .data-panel.expanded {
        max-width: 280px;
    }

    .data-value {
        font-size: 0.625rem;
    }

    .chart-body {
        height: 35px;
    }

    /* 播放控制 - 进一步压缩 */
    .player-controls {
        bottom: 0.75rem;
        padding: 0.375rem 0.5rem;
        width: calc(100% - 0.75rem);
        gap: 0.25rem;
    }

    .player-timeline {
        gap: 0.375rem;
    }

    .time-display {
        font-size: 0.5rem;
        min-width: 40px;
    }

    .btn-icon {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .btn-play {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .speed-select {
        font-size: 0.625rem;
        padding: 0.25rem;
    }
}

/* ========================================
   Avatar Overlay - Combined Badge Design
   ======================================== */
.avatar-marker-container {
    position: relative;
    width: 40px;
    height: 52px;
    display: block;
}

.avatar-marker-container .avatar-svg {
    display: block;
}

/* 单个组合徽章 - 包含心率和配速 */
.avatar-marker-container .stat-badge {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    /* 由 JS 控制显示 */
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 14px;
    font-size: 11px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    opacity: 0.75;
    /* 更透明，可见地图 */
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

/* 默认位置：下方 */
.avatar-marker-container[data-position="bottom"] .stat-badge {
    top: calc(100% + 2px);
}

/* 上方位置 - 调整为水滴形状 */
.avatar-marker-container[data-position="top"] .stat-badge {
    bottom: calc(100% - 28px);
}

/* 心率和配速数据样式 */
.avatar-marker-container .stat-badge .hr-data,
.avatar-marker-container .stat-badge .pace-data {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

/* 值文字白色 */
.avatar-marker-container .stat-badge .value {
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 分隔符 */
.avatar-marker-container .stat-badge .separator {
    color: rgba(255, 255, 255, 0.6);
    margin: 0 2px;
}

/* 图标样式 */
.avatar-marker-container .stat-badge .icon {
    font-size: 10px;
}

/* 堆叠模式 - 垂直偏移 */
.avatar-marker-container.stacked[data-position="bottom"] .stat-badge {
    top: calc(100% + 2px + var(--stack-index, 0) * 22px);
}

.avatar-marker-container.stacked[data-position="top"] .stat-badge {
    bottom: calc(100% + 2px + var(--stack-index, 0) * 22px);
}