:root {
  --bg-color: #121214;
  --panel-bg: #1a1a1e;
  --panel-border: #2c2c35;
  --accent-color: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.2);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --card-bg: #222227;
  --chart-grid-color: rgba(255, 255, 255, 0.05);
  --chart-gradient-top: rgba(16, 185, 129, 0.4);
  --chart-gradient-bottom: rgba(18, 18, 20, 0.05);
  --chart-live-bg: rgba(34, 34, 39, 0.95);
  --chart-text-color: #9ca3af;
  --route-color: #10b981;
  --hud-gradient-start: #1b2824;
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="light"] {
  --bg-color: #f3f4f6;
  --panel-bg: #ffffff;
  --panel-border: #e5e7eb;
  --accent-color: #10b981;
  --accent-glow: rgba(16, 185, 129, 0.2);
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --card-bg: #f9fafb;
  --chart-grid-color: rgba(0, 0, 0, 0.05);
  --chart-gradient-top: rgba(16, 185, 129, 0.3);
  --chart-gradient-bottom: rgba(255, 255, 255, 0.3);
  --chart-live-bg: rgba(255, 255, 255, 0.95);
  --chart-text-color: #4b5563;
  --route-color: #2563eb;
  --hud-gradient-start: #e8f5e9;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  padding: 20px;
  overflow-x: hidden;
}

/* Dashboard Container */
.dashboard {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Top Disclaimer Banner */
.disclaimer-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 12px;
  padding: 12px 18px;
  color: #d1d5db;
  font-size: 13px;
  line-height: 1.6;
}

.disclaimer-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 2px;
}

.disclaimer-text strong {
  color: #fbbf24;
}

/* Header & Stats */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.title-area h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-area h1 span {
  color: var(--accent-color);
}

.title-area p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stats-container {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.stat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--panel-border);
  padding: 10px 18px;
  border-radius: 12px;
  min-width: 120px;
  transition: transform 0.2s, border-color 0.2s;
}

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

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
}

.stat-value span {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 2px;
}

/* Live Hover HUD */
.hud-card {
  border-color: var(--accent-color);
  background: linear-gradient(135deg, var(--hud-gradient-start) 0%, var(--card-bg) 100%);
  position: relative;
}

.hud-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-color);
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

/* Main Content Area: Map and Sidebar */
.main-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  min-height: 460px;
}

.map-container {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
}

#map {
  width: 100%;
  height: 480px;
  z-index: 1;
}

/* Invert bright map tiles to dark mode while keeping labels legible and in Chinese */
.leaflet-tile {
  filter: invert(90%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

[data-theme="light"] .leaflet-tile {
  filter: none;
}

.sidebar {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-height: 480px;
  overflow-y: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sidebar h3 {
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 8px;
}

/* Custom Scrollbar for Sidebar & All Container Elements */
* {
  scrollbar-color: var(--panel-border) var(--panel-bg);
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--panel-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

.stage-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stage-item {
  background-color: var(--card-bg);
  border: 1px solid var(--panel-border);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stage-item:hover {
  border-color: var(--accent-color);
  background-color: #1a2824;
}

.stage-item.active {
  border-color: var(--accent-color);
  background-color: rgba(16, 185, 129, 0.15);
}

.stage-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stage-name {
  font-size: 13px;
  font-weight: 600;
}

.stage-desc {
  font-size: 11px;
  color: var(--text-secondary);
}

.stage-km {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-color);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 2px 6px;
  border-radius: 6px;
}

/* Chart Area */
.chart-container {
  background-color: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  max-width: 100%;
  box-sizing: border-box;
}

.chart-header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 38px;
  margin-bottom: 12px;
}

.chart-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 1;
}

.chart-live-info {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--chart-live-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--accent-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 12px rgba(16, 185, 129, 0.25);
  white-space: nowrap;
  z-index: 2;
  transition: left 0.05s ease-out;
}

.chart-live-info .badge-pos {
  color: var(--accent-color);
  font-weight: 700;
  padding-right: 8px;
  border-right: 1px solid var(--panel-border);
}

.chart-live-info b {
  color: var(--text-primary);
  font-weight: 700;
}

/* Route Selector Box */
.route-selector-box {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 10px 16px;
  border-radius: 12px;
  margin-bottom: 5px;
  flex-wrap: wrap;
}

.selector-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
  white-space: nowrap;
}

.route-dropdown {
  flex: 1;
  min-width: 260px;
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.route-dropdown:hover, .route-dropdown:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}

.route-dropdown optgroup {
  background: #1e1e24;
  color: #10b981;
  font-weight: 700;
}

.route-dropdown option {
  background: #18181c;
  color: var(--text-primary);
  padding: 6px 10px;
}

/* Pulsing Leaflet Marker */
.pulse-icon {
  background: var(--accent-color);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 1.2s infinite cubic-bezier(0.66, 0, 0, 1);
  border: 2px solid white;
}

@keyframes pulse {
  to {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
}

/* Responsive Rules */
@media (max-width: 900px) {
  body {
    padding: 10px;
  }

  .dashboard {
    gap: 12px;
    max-width: 100%;
    overflow-x: hidden;
  }

  .main-row {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 12px;
  }
  
  #map {
    height: 320px;
  }

  /* Mobile Horizontal Scrollable Stage Bar */
  .sidebar {
    max-height: none;
    padding: 12px;
    border-radius: 12px;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .sidebar h3 {
    font-size: 13px;
    border-bottom: none;
    padding-bottom: 0;
    white-space: nowrap;
  }

  .stage-list {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding-bottom: 6px;
    width: 100%;
    -webkit-overflow-scrolling: touch;
    scrollbar-color: var(--panel-border) var(--panel-bg);
    scrollbar-width: thin;
  }

  .stage-item {
    flex: 0 0 auto;
    width: 210px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 12px;
  }

  .stage-name {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .stage-desc {
    font-size: 11px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
  }
  
  .stats-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
    gap: 6px;
  }
  
  .stat-card {
    min-width: 0;
    padding: 8px 10px;
  }

  /* Chart Header & Live Info on Mobile - Calibrated compact font within card */
  .chart-container {
    padding: 10px 8px;
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
  }

  .chart-header {
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    min-height: auto;
    margin-bottom: 6px;
    position: static;
    width: 100%;
  }

  .chart-title {
    font-size: 12.5px;
  }

  .chart-live-info {
    position: static !important;
    left: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 3px !important;
    padding: 4px 6px !important;
    border-radius: 8px !important;
    font-size: 10.5px !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .chart-live-info .badge-pos {
    padding-right: 4px !important;
    font-size: 10.5px !important;
    max-width: 26% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    border-right: 1px solid var(--panel-border) !important;
  }

  .chart-live-info .badge-km,
  .chart-live-info .badge-ele,
  .chart-live-info .badge-slope {
    font-size: 10px !important;
    white-space: nowrap !important;
    padding: 0 1px !important;
  }

  .chart-live-info b {
    font-size: 11px !important;
    font-weight: 750 !important;
  }
}


/* ===== GPS Locate Button ===== */
.locate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #1a1a1e;
  border: 2px solid #3b82f6;
  border-radius: 10px;
  color: #3b82f6;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
  margin-bottom: 10px;
}

.locate-btn:hover {
  background: #3b82f6;
  color: #fff;
  box-shadow: 0 0 16px rgba(59,130,246,0.5);
  transform: scale(1.08);
}

/* Spinning animation while locating */
.locate-btn.locating {
  animation: locate-spin 1s linear infinite;
  background: #3b82f620;
  color: #3b82f6;
}

@keyframes locate-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Flash green when located */
.locate-btn.located {
  background: #10b981;
  border-color: #10b981;
  color: #fff;
  box-shadow: 0 0 16px rgba(16,185,129,0.5);
}

/* ===== User Location Blue Dot ===== */
.user-location-icon {
  width: 16px;
  height: 16px;
  background: #3b82f6;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #3b82f6;
  animation: user-loc-pulse 2s ease-out infinite;
}

@keyframes user-loc-pulse {
  0%   { box-shadow: 0 0 0 0px rgba(59,130,246,0.7); }
  70%  { box-shadow: 0 0 0 14px rgba(59,130,246,0); }
  100% { box-shadow: 0 0 0 0px rgba(59,130,246,0); }
}



/* Theme Toggle Button */
.theme-toggle-btn {
  background: rgba(253, 224, 71, 0.15);
  border: 1px solid rgba(253, 224, 71, 0.3);
  color: #fde047;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.theme-toggle-btn:hover {
  background: rgba(253, 224, 71, 0.25);
  border-color: #fde047;
}
.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
}

[data-theme="light"] .theme-toggle-btn {
  background: #fef08a;
  border-color: #fde047;
  color: #854d0e;
}
[data-theme="light"] .theme-toggle-btn:hover {
  background: #fde047;
}

[data-theme="light"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: none; }
:root:not([data-theme="light"]) .icon-moon { display: none; }
:root:not([data-theme="light"]) .icon-sun { display: block; }


/* Light Mode Specific Fixes */
[data-theme="light"] .route-dropdown optgroup { background: #f3f4f6; color: #059669; }
[data-theme="light"] .route-dropdown option { background: #ffffff; color: var(--text-primary); }

[data-theme="light"] .disclaimer-banner { color: #4b5563; }
[data-theme="light"] .disclaimer-text strong { color: #d97706; }

[data-theme="light"] .stage-item:hover { background-color: #e8f5e9; }


/* Light Mode Leaflet Control Buttons */
[data-theme="light"] .leaflet-bar a,
[data-theme="light"] .leaflet-control-zoom a,
[data-theme="light"] .leaflet-control-locate a {
  background-color: #ffffff;
  color: #374151;
}
[data-theme="light"] .leaflet-bar a:hover {
  background-color: #f3f4f6;
  color: #111827;
}


/* Light Mode Locate Button Fix */
[data-theme="light"] .locate-btn {
  background-color: #ffffff;
  color: #374151;
  border: 1px solid #d1d5db;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
[data-theme="light"] .locate-btn:hover {
  background-color: #f3f4f6;
  color: #2563eb;
}


[data-theme="light"] .chart-live-info b {
  color: #111827;
}
[data-theme="light"] .chart-live-info {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 12px rgba(16, 185, 129, 0.15);
}


/* Light Mode Mobile Scrollbar Fix */
[data-theme="light"] .sidebar::-webkit-scrollbar-track,
[data-theme="light"] .stage-list::-webkit-scrollbar-track {
  background: #f3f4f6;
}
[data-theme="light"] .sidebar::-webkit-scrollbar-thumb,
[data-theme="light"] .stage-list::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 3px;
}
[data-theme="light"] .sidebar::-webkit-scrollbar-thumb:hover,
[data-theme="light"] .stage-list::-webkit-scrollbar-thumb:hover {
  background: #10b981;
}


/* ===== Rider Focus Mode (全螢幕騎乘實戰視角) ===== */
/* Prevent page scrolling and bounce when Rider Mode is active */
html.rider-mode-active,
body.rider-mode-active {
  overflow: hidden !important;
  height: 100% !important;
  height: 100dvh !important;
  width: 100% !important;
  width: 100dvw !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  overscroll-behavior: none !important;
  touch-action: none !important;
  -webkit-overflow-scrolling: auto !important;
}

.rider-mode-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  z-index: 99999;
  background-color: var(--bg-color);
  flex-direction: column;
  overflow: hidden !important;
  overscroll-behavior: none !important;
  touch-action: none;
}

.rider-mode-overlay.active {
  display: flex;
}

/* Top Glassmorphism HUD */
.rider-hud {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(26, 26, 30, 0.90);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 15px rgba(16, 185, 129, 0.15);
  width: calc(100vw - 20px);
  max-width: 680px;
  overflow: hidden;
  box-sizing: border-box;
}

[data-theme="light"] .rider-hud {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 0 12px rgba(16, 185, 129, 0.15);
}

/* Order on Desktop: Speed, Current Elevation, Next Stage (WIDER), Rem Dist, Rem Climb */
.hud-speed {
  order: 1;
  flex: 0 0 76px;
}

.hud-current-ele {
  order: 2;
  flex: 0 0 76px;
}

.hud-next {
  order: 3;
  flex: 1 1 auto;
  min-width: 180px;
  padding: 0 14px;
}

.hud-rem-dist {
  order: 4;
  flex: 0 0 76px;
}

.hud-rem-climb {
  order: 5;
  flex: 0 0 76px;
}

.hud-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 6px;
  border-right: 1px solid var(--panel-border);
  box-sizing: border-box;
}

.hud-item:last-child {
  border-right: none;
}

.hud-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
  text-transform: uppercase;
}

.hud-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.hud-next .hud-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-color);
  max-width: 100%;
}

.hud-val b {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.hud-speed .hud-val b {
  color: var(--accent-color);
  font-size: 22px;
}

.hud-current-ele .hud-val b {
  color: #38bdf8;
  font-size: 19px;
}

.hud-val small {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Map Container Wrapper for Rider Mode */
.rider-map-wrap {
  flex: 1;
  width: 100%;
  min-height: 0;
  position: relative;
  z-index: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Map Container & Rotator for Rider Mode - Positioned down slightly to center in visible map area */
.rider-map-rotator {
  position: absolute !important;
  width: 250vmax !important;
  height: 250vmax !important;
  top: calc(50% + 56px) !important;
  left: 50% !important;
  transform: translate(-50%, -50%) rotate(0deg);
  transform-origin: center center;
  transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.rider-map {
  width: 100% !important;
  height: 100% !important;
  position: relative !important;
  background-color: var(--panel-bg);
}

/* Floating Action Dock (Right-Bottom) */
.rider-dock {
  position: absolute;
  right: 20px;
  bottom: 215px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rider-fab {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
}

.rider-fab:hover {
  transform: scale(1.08);
  border-color: var(--accent-color);
}

.rider-fab.active {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
}

/* Exit Fullscreen Red Circular Button */
.rider-fab.fab-exit {
  background: #ef4444 !important;
  border: 2px solid #dc2626 !important;
  color: #ffffff !important;
  box-shadow: 0 4px 18px rgba(239, 68, 68, 0.5) !important;
}

.rider-fab.fab-exit:hover {
  background: #dc2626 !important;
  border-color: #b91c1c !important;
  color: #ffffff !important;
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(220, 38, 38, 0.7) !important;
}

/* Bottom 10km Rolling Chart Container */
.rider-chart-box {
  height: 200px;
  background: var(--panel-bg);
  border-top: 1px solid var(--panel-border);
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1001;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
}

.rider-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.rider-chart-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.slope-legend {
  display: flex;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
}

.slope-legend .leg {
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}

.leg-green { background: #10b981; }
.leg-yellow { background: #f59e0b; color: #111827 !important; }
.leg-orange { background: #f97316; }
.leg-red { background: #ef4444; }

.rider-chart-wrapper {
  flex: 1;
  width: 100%;
  position: relative;
}

/* Fullscreen Trigger Button on Main Dashboard */
.fullscreen-trigger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--panel-bg);
  border: 1.5px solid var(--accent-color);
  border-radius: 10px;
  color: var(--accent-color);
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  transition: all 0.2s;
  margin-bottom: 10px;
}

.fullscreen-trigger-btn:hover {
  background: var(--accent-color);
  color: #fff;
  transform: scale(1.08);
}

@media (max-width: 600px) {
  /* Chart Header & Live Info on Mobile - Calibrated compact font within card */
  .chart-container {
    padding: 10px 8px;
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
  }

  .chart-header {
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    min-height: auto;
    margin-bottom: 6px;
    position: static;
    width: 100%;
  }

  .chart-title {
    font-size: 12.5px;
  }

  .chart-live-info {
    position: static !important;
    left: auto !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 3px !important;
    padding: 4px 6px !important;
    border-radius: 8px !important;
    font-size: 10.5px !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .chart-live-info .badge-pos {
    padding-right: 4px !important;
    font-size: 10.5px !important;
    max-width: 26% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    border-right: 1px solid var(--panel-border) !important;
  }

  .chart-live-info .badge-km,
  .chart-live-info .badge-ele,
  .chart-live-info .badge-slope {
    font-size: 10px !important;
    white-space: nowrap !important;
    padding: 0 1px !important;
  }

  .chart-live-info b {
    font-size: 11px !important;
    font-weight: 750 !important;
  }

  /* Top Floating HUD on Mobile */
  .rider-hud {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    border-radius: 18px;
    padding: 8px 10px;
    gap: 6px 0;
    width: calc(100vw - 16px);
    box-sizing: border-box;
  }

  .hud-item {
    border-right: 1px solid var(--panel-border);
    padding: 0 2px;
    min-width: 0;
    flex: initial;
    max-width: none;
    box-sizing: border-box;
  }

  /* Upper Row (上列): 時速縮減靠左 (span 3), 剩餘里程 (span 4), 剩餘爬升 (span 5) */
  .hud-speed {
    order: 1;
    grid-column: span 3;
  }
  .hud-rem-dist {
    order: 2;
    grid-column: span 4;
  }
  .hud-rem-climb {
    order: 3;
    grid-column: span 5;
    border-right: none !important;
  }

  /* Lower Row (下列): 目前海拔縮減靠左 (span 3), 下一站極大化加寬 (span 9) */
  .hud-current-ele {
    order: 4;
    grid-column: span 3;
    border-right: 1px solid var(--panel-border) !important;
    border-top: 1px solid var(--panel-border);
    padding-top: 6px;
    margin-top: 3px;
  }

  .hud-next {
    order: 5;
    grid-column: span 9;
    border-right: none !important;
    border-top: 1px solid var(--panel-border);
    padding-top: 6px;
    margin-top: 3px;
    max-width: 100% !important;
    padding-left: 8px;
    padding-right: 4px;
    text-align: left;
    align-items: flex-start;
  }

  .hud-next .hud-val {
    font-size: 15.5px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    color: var(--accent-color);
  }

  /* Mobile Font Sizes */
  .hud-label {
    font-size: 11.5px;
    font-weight: 600;
  }
  .hud-val {
    font-size: 13.5px;
  }
  .hud-val b {
    font-size: 19px;
    font-weight: 800;
  }
  .hud-speed .hud-val b {
    font-size: 22px;
    font-weight: 900;
  }
  .hud-current-ele .hud-val b {
    font-size: 19px;
    font-weight: 800;
    color: #38bdf8;
  }
  .hud-val small {
    font-size: 11px;
  }

  /* Bottom Elevation Chart Box on Mobile - Lifted up with safe area padding */
  .rider-chart-box {
    height: 175px !important;
    max-height: 28vh !important;
    padding: 8px 12px calc(14px + env(safe-area-inset-bottom, 14px)) !important;
    box-sizing: border-box !important;
  }

  .rider-chart-header {
    margin-bottom: 4px;
    gap: 4px;
  }

  .rider-chart-title {
    font-size: 11.5px;
  }

  .slope-legend {
    font-size: 9.5px;
    gap: 4px;
  }

  .slope-legend .leg {
    padding: 1px 4px;
    font-size: 9.5px;
  }

  /* Floating Dock on Mobile */
  .rider-dock {
    right: 12px;
    bottom: calc(185px + env(safe-area-inset-bottom, 14px));
    gap: 8px;
  }

  .rider-fab {
    width: 42px;
    height: 42px;
  }

  /* Center user location marker in remaining visible map area on mobile */
  .rider-map-rotator {
    top: calc(50% + 48px) !important;
  }
}