/* --- Design System & Variables --- */
:root {
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Colors */
  --bg-app: #0c0e12;
  --bg-panel: rgba(20, 24, 33, 0.7);
  --bg-panel-solid: #141821;
  --bg-card: rgba(30, 36, 48, 0.5);
  --bg-card-hover: rgba(40, 48, 64, 0.7);
  --bg-card-active: rgba(252, 82, 0, 0.15);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f1f3f9;
  --text-secondary: #a0aec0;
  --text-muted: #64748b;
  
  /* Accent Colors */
  --color-strava: #fc5200;
  --color-strava-hover: #ff6e24;
  --color-accent: #10b981; /* Emerald green */
  --color-accent-dim: rgba(16, 185, 129, 0.2);
  
  /* Shadow & Blur */
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --blur-panel: blur(16px);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  
  /* Layout sizes */
  --sidebar-width: 380px;
}

/* --- Base & Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-app);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* --- App Layout --- */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  position: relative;
}

/* --- Glassmorphic Panels --- */
.glass-panel {
  background-color: var(--bg-panel);
  backdrop-filter: var(--blur-panel);
  -webkit-backdrop-filter: var(--blur-panel);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  height: calc(100vh - 24px);
  margin: 12px;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.sidebar.collapsed {
  transform: translateX(calc(-100% - 24px));
}

/* Floating Sidebar Toggle Button (independent of translate / clipping) */
#toggle-sidebar {
  position: absolute;
  left: calc(12px + var(--sidebar-width) - 56px);
  top: 28px;
  z-index: 1100;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: left var(--transition-normal), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

#toggle-sidebar:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
}

.sidebar.collapsed ~ #toggle-sidebar {
  left: 12px;
  background-color: var(--bg-panel-solid);
  border: 1px solid var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

.sidebar-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  color: var(--color-strava);
  font-size: 24px;
}

/* --- General Components --- */
.icon-button {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.icon-button:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--border-color-hover);
  transform: scale(1.05);
}

.text-button {
  background: transparent;
  border: none;
  color: var(--color-strava);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.text-button:hover {
  color: var(--color-strava-hover);
  text-decoration: underline;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
}

.badge-default {
  background-color: rgba(252, 82, 0, 0.15);
  color: var(--color-strava);
  border: 1px solid rgba(252, 82, 0, 0.3);
}

.badge-imported {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.hidden {
  display: none !important;
}

/* --- Journey Stats Section --- */
.stats-container {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.stats-container h3 {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* --- Timeline Stages List --- */
.timeline-container {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 20px 0 10px 0;
  min-height: 0; /* Important for flex child scrolling */
}

.timeline-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px 12px 20px;
  border-bottom: 1px solid var(--border-color);
}

.timeline-container h3 {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Timeline Calendar View --- */
.calendar-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 20px;
  overflow-y: auto;
  flex: 1;
}

/* Custom Scrollbar for Calendar */
.calendar-container::-webkit-scrollbar {
  width: 6px;
}

.calendar-container::-webkit-scrollbar-track {
  background: transparent;
}

.calendar-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.calendar-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.calendar-day-cell {
  aspect-ratio: 1 / 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  padding: 4px;
  min-height: 42px;
}

.calendar-day-cell:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

.calendar-day-cell.active-cell {
  /* Active stage cell */
}

.calendar-day-cell.filler-cell {
  background-color: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
}

.calendar-day-cell.active {
  background-color: var(--bg-card-active);
  border-color: var(--color-strava);
}

.calendar-day-cell.active .cell-day-num {
  color: var(--color-strava);
  font-weight: 700;
}

.cell-day-num {
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.cell-date {
  font-size: 8px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
}

.calendar-day-cell:hover .cell-date, .calendar-day-cell.active .cell-date {
  color: var(--text-secondary);
}

/* --- Day Detail Panel Overlay --- */
.day-detail-panel {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 1010;
  padding: 16px;
  background-color: var(--bg-panel-solid);
  border: 1px solid var(--border-color-hover);
  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.day-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.day-detail-header h4 {
  font-size: 18px;
  color: var(--color-strava);
}

.detail-route {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.detail-metrics {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.detail-metrics div {
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-metrics i {
  color: var(--color-strava);
}

.detail-description {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.elevation-chart-container {
  height: 60px;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 4px;
}

#detail-elevation-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.elevation-path {
  fill: rgba(252, 82, 0, 0.15);
  stroke: var(--color-strava);
  stroke-width: 1.5;
}

/* --- Floating Map Style Selector --- */
.map-style-selector {
  position: absolute;
  top: 96px;
  right: 12px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 6px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  backdrop-filter: var(--blur-panel);
  -webkit-backdrop-filter: var(--blur-panel);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.style-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition-fast);
}

.style-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  transform: scale(1.05);
}

.style-btn.active {
  background-color: var(--color-strava);
  color: #fff;
  box-shadow: 0 0 10px rgba(252, 82, 0, 0.4);
}

/* Adjust map style selector layout when sidebar is collapsed */
.sidebar.collapsed ~ .map-area .map-style-selector {
  /* Keeps selector in place relative to viewport */
}

/* --- Main Map Area --- */
.map-area {
  flex: 1;
  height: 100%;
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
  background-color: var(--bg-app);
}

/* Overriding Leaflet Styles to fit dark premium theme */
.leaflet-container {
  font-family: var(--font-body) !important;
}

.leaflet-bar {
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm) !important;
  border-radius: 10px !important;
  overflow: hidden;
}

.leaflet-bar a {
  background-color: var(--bg-panel-solid) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border-color) !important;
  transition: background-color var(--transition-fast) !important;
}

.leaflet-bar a:hover {
  background-color: var(--bg-card-hover) !important;
}

.leaflet-popup-content-wrapper {
  background: var(--bg-panel-solid) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow-lg) !important;
  backdrop-filter: var(--blur-panel);
}

.leaflet-popup-tip {
  background: var(--bg-panel-solid) !important;
  border: 1px solid var(--border-color) !important;
}

/* Custom Marker Styling */
.custom-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-panel-solid);
  border: 2px solid var(--color-strava);
  color: var(--color-strava);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  font-weight: bold;
  font-size: 10px;
  transition: all var(--transition-fast);
}

.custom-marker:hover, .custom-marker.active {
  transform: scale(1.2);
  background-color: var(--color-strava);
  color: var(--text-primary);
  z-index: 1000 !important;
}

.custom-marker.start-marker {
  border-color: #10b981;
  color: #10b981;
}

.custom-marker.start-marker:hover, .custom-marker.start-marker.active {
  background-color: #10b981;
  color: #10b981;
}

.custom-marker.end-marker {
  border-color: #dc2626;
  color: #dc2626;
}

.custom-marker.end-marker:hover, .custom-marker.end-marker.active {
  background-color: #dc2626;
  color: #dc2626;
}

/* Cyclist Icon Overlay Marker */
.cyclist-marker {
  background-color: var(--color-strava);
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-strava);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

/* --- Floating Header Stats Panel --- */
.floating-header {
  position: absolute;
  top: 12px;
  left: calc(var(--sidebar-width) + 24px);
  right: 12px;
  z-index: 1000;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: auto;
  transition: left var(--transition-normal);
}

.sidebar.collapsed ~ .map-area .floating-header {
  left: 12px;
}

.header-text h1 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 2px;
}

.header-text p {
  font-size: 13px;
  color: var(--text-secondary);
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-badge {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
}

.header-arrow {
  color: var(--text-muted);
}

.start-pin {
  color: #10b981;
}

.end-pin {
  color: #dc2626;
}



/* --- Loader Spinner Overlay --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 14, 18, 0.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

.loader-content {
  width: 350px;
  padding: 30px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.loader-icon {
  font-size: 40px;
  color: var(--color-strava);
}

.loader-content h3 {
  font-size: 18px;
}

.loader-content p {
  font-size: 12px;
  color: var(--text-secondary);
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--color-strava);
  border-radius: 4px;
  transition: width 0.1s linear;
}

/* --- Responsive & Mobile Adaptations --- */
@media (max-width: 992px) {
  :root {
    --sidebar-width: 320px;
  }
  .floating-header h1 {
    font-size: 16px;
  }
  .header-badges {
    display: none;
  }
}

/* --- Full Journey Elevation Profile Panel --- */
.full-elevation-panel {
  position: absolute;
  bottom: 12px;
  left: calc(var(--sidebar-width) + 24px);
  right: 20%;
  z-index: 1000;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: left var(--transition-normal);
}

.sidebar.collapsed ~ .map-area .full-elevation-panel {
  left: 12px;
}

.full-elevation-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-title);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.full-elevation-title {
  display: flex;
  align-items: center;
  gap: 6px;
}

.full-elevation-title i {
  color: var(--color-strava);
}

.full-elevation-stats {
  color: var(--text-muted);
}

.full-elevation-chart-container {
  height: 60px;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 4px;
}

#full-elevation-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

@media (max-width: 768px) {
  .sidebar {
    position: absolute;
    width: 300px;
    height: calc(100vh - 24px);
    margin: 12px;
    z-index: 1050;
  }
  
  .floating-header {
    position: absolute;
    left: 60px !important; /* Spacing for collapsed toggle button */
    right: 12px !important;
    top: 12px;
    width: auto;
    margin: 0;
    z-index: 1000;
  }
  
  .map-area {
    width: 100%;
    height: 100%;
  }
  
  .full-elevation-panel {
    left: 12px !important;
    right: 12px !important;
    bottom: 12px;
  }
  
  .day-detail-panel {
    position: fixed;
    bottom: 140px !important; /* Shifts detail panel upward to prevent overlap */
    left: 12px;
    right: 12px;
    z-index: 2000;
  }
}