/**
 * Walkeee - Main Web Application Stylesheet
 * Version: 2026.10.11.11.56.00
 * Purpose: Full layout, full-screen dialogs (strictly no drawers/bottom-sheets),
 *          Walkeee retro robot companion HUD, audio bar, accessible loading card, and map viewport.
 */

/* ==========================================================================
   1. Base Reset & Typography
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-body);
  background-color: var(--bg-app);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
  outline: none;
  transition: all var(--transition-standard);
}

/* ==========================================================================
   2. Main Layout Viewport
   ========================================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* Header Navbar */
.app-header {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  z-index: 500;
  backdrop-filter: blur(12px);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  padding: 3px;
  border: 1px solid var(--surface-border);
  transition: transform var(--transition-bounce);
}

.brand-avatar:hover {
  transform: rotate(-8deg) scale(1.08);
}

.brand-title {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--primary-container);
  color: var(--on-primary-container);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.tour-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--surface-border);
}

.tour-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  font-size: 1.15rem;
}

.btn-icon:hover {
  background: var(--surface-2);
  transform: translateY(-1px);
}

/* Language Selector Button in Header */
.lang-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 14px;
  background: var(--surface-1);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.lang-btn-flag {
  font-size: 1.15rem;
  line-height: 1;
}

.lang-btn-name {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.lang-btn-caret {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  transition: transform var(--transition-fast);
}

.lang-btn:hover .lang-btn-caret {
  color: var(--primary);
  transform: translateY(1px);
}

/* Language Selection Dialog Card Grid */
.language-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 8px 0;
}

.language-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--surface-0);
  border: 2px solid var(--surface-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  position: relative;
  width: 100%;
}

.language-card:hover {
  background: var(--surface-1);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.language-card.selected {
  background: var(--primary-container);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.lang-card-flag {
  font-size: 2.2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.lang-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.lang-card-native {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.language-card.selected .lang-card-native {
  color: var(--primary);
}

.lang-card-english {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.language-card.selected .lang-card-english {
  color: var(--on-primary-container);
}

.lang-card-check {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0;
  transform: scale(0.6);
  transition: all var(--transition-fast);
}

.language-card.selected .lang-card-check {
  opacity: 1;
  transform: scale(1);
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--primary);
  color: var(--text-inverse);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 6px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-full);
}

.user-profile-btn:hover {
  background: var(--surface-2);
}

.user-avatar-tiny {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.user-name-tiny {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   3. Map Viewport Container
   ========================================================================== */
#map-viewport {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  z-index: 10;
  background: var(--bg-app);
}

/* Leaflet Container Custom Overrides */
.leaflet-container {
  font-family: var(--font-body);
  background-color: var(--bg-app) !important;
}

/* Reposition Leaflet Default Zoom Controls away from Header */
.leaflet-top {
  top: 92px !important;
}

.leaflet-left {
  left: 16px !important;
}

.leaflet-bar {
  border: 1.5px solid var(--surface-border) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden;
  box-shadow: var(--shadow-md) !important;
}

.leaflet-bar a {
  background-color: var(--surface-0) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--surface-border) !important;
  width: 38px !important;
  height: 38px !important;
  line-height: 38px !important;
  font-size: 1.2rem !important;
  transition: all var(--transition-fast) !important;
}

.leaflet-bar a:hover {
  background-color: var(--surface-1) !important;
  color: var(--primary) !important;
}

.leaflet-bar a:last-child {
  border-bottom: none !important;
}

/* Attribution Styling */
.leaflet-control-attribution {
  background: var(--surface-0) !important;
  color: var(--text-tertiary) !important;
  font-size: 0.68rem !important;
  padding: 3px 8px !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--surface-border) !important;
  opacity: 0.85;
}

.leaflet-control-attribution a {
  color: var(--primary) !important;
  text-decoration: none !important;
}

/* ==========================================================================
   Map Floating Action Controls (GPS & Fit Bounds)
   ========================================================================== */
.map-floating-controls {
  position: absolute;
  right: 16px;
  bottom: 130px;
  z-index: 450;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.map-ctrl-btn {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.25rem;
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.map-ctrl-btn:hover {
  background: var(--surface-1);
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.map-ctrl-btn.active {
  background: var(--primary-container);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 16px rgba(0, 210, 255, 0.45);
}

.map-ctrl-btn.active .map-ctrl-icon {
  animation: radarPingIcon 1.5s ease-in-out infinite alternate;
}

@keyframes radarPingIcon {
  0% { transform: scale(1); }
  100% { transform: scale(1.2); }
}

/* ==========================================================================
   Custom Walkeee Robot Stop Pins
   ========================================================================== */
.walkeee-stop-pin {
  position: relative;
  width: 44px;
  height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: bottom center;
}

.walkeee-stop-pin:hover {
  transform: scale(1.14);
}

.walkeee-stop-pin.active {
  transform: scale(1.26);
  z-index: 1000 !important;
}

.pin-teardrop {
  width: 38px;
  height: 38px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: var(--surface-0);
  border: 2.5px solid var(--primary);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: border-color var(--transition-standard), background var(--transition-standard);
}

.walkeee-stop-pin.active .pin-teardrop {
  border-color: var(--secondary);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.65);
}

.pin-content {
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: relative;
}

.pin-avatar {
  width: 22px;
  height: 22px;
  object-fit: contain;
  pointer-events: none;
}

.pin-number {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--primary);
  color: var(--text-inverse);
  font-size: 0.68rem;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--surface-0);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

.walkeee-stop-pin.active .pin-number {
  background: var(--secondary);
}

.pin-break-badge {
  position: absolute;
  bottom: -4px;
  left: -4px;
  background: var(--secondary);
  color: var(--text-inverse);
  font-size: 0.72rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--surface-0);
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

/* Active Pulsing Halo Ring */
.pin-pulse-ring {
  display: none;
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 2px solid var(--secondary);
  pointer-events: none;
}

.walkeee-stop-pin.active .pin-pulse-ring {
  display: block;
  animation: pulseRingAnim 2s cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes pulseRingAnim {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ==========================================================================
   User GPS Location Marker
   ========================================================================== */
.walkeee-user-marker {
  position: relative;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-core-dot {
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: 2.5px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.85);
  z-index: 2;
  position: relative;
}

.user-radar-wave {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  animation: userRadarPing 2s cubic-bezier(0, 0.2, 0.8, 1) infinite;
  z-index: 1;
}

@keyframes userRadarPing {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* ==========================================================================
   Google Stitch Themed Leaflet Popups
   ========================================================================== */
.leaflet-popup-content-wrapper {
  background: var(--surface-0) !important;
  color: var(--text-primary) !important;
  border: 1.5px solid var(--surface-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-xl) !important;
  padding: 0 !important;
  backdrop-filter: blur(16px);
}

.leaflet-popup-tip {
  background: var(--surface-0) !important;
  border: 1px solid var(--surface-border);
}

.leaflet-popup-content {
  margin: 14px 16px !important;
  line-height: 1.4 !important;
  font-family: var(--font-body) !important;
  font-size: 0.88rem !important;
}

.map-popup-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 220px;
  max-width: 280px;
}

.map-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.map-popup-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--primary-container);
  color: var(--on-primary-container);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.map-popup-eta {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.map-popup-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-display);
  line-height: 1.25;
}

.map-popup-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 6px;
}

.map-popup-select-btn {
  width: 100%;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.map-popup-select-btn:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   4. Walkeee Floating Companion HUD
   ========================================================================== */
.companion-widget {
  position: absolute;
  top: 96px;
  right: 16px;
  z-index: 400;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  pointer-events: none;
}

.companion-speech {
  pointer-events: auto;
  max-width: 280px;
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  position: relative;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-primary);
  animation: floatBubble 3s ease-in-out infinite alternate;
}

.companion-speech::after {
  content: "";
  position: absolute;
  top: 18px;
  right: -8px;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 8px solid var(--surface-0);
}

.companion-figure {
  pointer-events: auto;
  width: 76px;
  height: 76px;
  border-radius: var(--radius-lg);
  background: var(--surface-0);
  border: 2px solid var(--surface-border);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-bounce);
}

.companion-figure:hover {
  transform: scale(1.1) rotate(4deg);
}

.companion-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes floatBubble {
  0% { transform: translateY(0); }
  100% { transform: translateY(-4px); }
}

/* ==========================================================================
   Header Overview Button
   ========================================================================== */
.header-overview-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-overview-btn:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* ==========================================================================
   5. Expandable Tour Drawer (Bottom-sheet over map)
   ========================================================================== */
.tour-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 600;
  background: var(--surface-0);
  border-top: 1px solid var(--surface-border);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: 0 -4px 28px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  height: 84px;
  max-height: 85vh;
  max-height: 85dvh;
  transition: height 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(20px);
  padding-bottom: max(6px, env(safe-area-inset-bottom));
  overflow: hidden;
}

.tour-drawer.expanded {
  height: 80vh;
  height: 80dvh;
}

.drawer-drag-handle {
  width: 100%;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding-top: 4px;
}

.drawer-drag-pill {
  width: 38px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--surface-border-strong, var(--text-tertiary));
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.drawer-drag-handle:hover .drawer-drag-pill {
  opacity: 1;
  transform: scaleY(1.2);
}

.drawer-peek-header {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 4px 18px;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
}

.peek-left-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
  padding-right: 12px;
}

.peek-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.stop-badge {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.stop-eta, .stop-walk-eta {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

.stop-walk-eta:not(:empty)::before {
  content: "•";
  margin-right: 6px;
  opacity: 0.6;
}

.stop-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.peek-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.peek-play-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.peek-play-btn:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.peek-overview-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 11px;
  font-size: 0.8rem;
  border-radius: var(--radius-full);
}

.drawer-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.drawer-chevron {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 0.82rem;
}

.tour-drawer.expanded .drawer-chevron {
  transform: rotate(180deg);
}

/* Scrollable Drawer Body */
.drawer-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 18px 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drawer-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stop-narrative {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.6;
  background: var(--surface-1);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.drawer-trivia-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.trivia-card {
  display: flex;
  gap: 10px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  align-items: flex-start;
}

.trivia-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.trivia-content strong {
  display: block;
  font-size: 0.78rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}

.trivia-content p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.drawer-stop-actions {
  display: flex;
  gap: 10px;
}

.stop-actions {
  display: flex;
  gap: 8px;
}

.btn-secondary {
  flex: 1;
  padding: 8px 12px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--surface-2);
}

/* 6. Drawer Audio Narration Section */
.drawer-audio-section {
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.audio-guide-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 200px;
}

.audio-guide-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-container);
  padding: 3px;
  border: 1px solid var(--surface-border);
}

.audio-guide-meta {
  display: flex;
  flex-direction: column;
}

.audio-guide-persona {
  font-size: 0.92rem;
  font-weight: 700;
}

.audio-guide-status {
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-audio-main {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.btn-audio-main:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.audio-slider-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.audio-slider-group input[type="range"] {
  accent-color: var(--primary);
}

.drawer-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.drawer-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.drawer-stops-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-stop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drawer-stop-item:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  transform: translateX(2px);
}

.drawer-stop-item.active {
  border-color: var(--primary);
  background: var(--primary-container);
  color: var(--on-primary-container);
}

.drawer-stop-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.drawer-stop-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.drawer-stop-item.active .drawer-stop-num {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.drawer-stop-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drawer-stop-item-meta {
  font-size: 0.76rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.drawer-footer-nav {
  margin-top: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--surface-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

/* ==========================================================================
   7. FULL-SCREEN DIALOGS EXCLUSIVELY (Mandatory Rule)
   Strictly no sliding drawers or bottom sheets!
   ========================================================================== */
.fs-dialog {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-app);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.98);
  transition: opacity var(--transition-standard), transform var(--transition-standard);
}

.fs-dialog.active {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

.fs-dialog-header {
  height: 72px;
  border-bottom: 1px solid var(--surface-border);
  background: var(--surface-0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  flex-shrink: 0;
}

.fs-dialog-title-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.fs-dialog-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  padding: 4px;
  border: 1px solid var(--surface-border);
  object-fit: contain;
}

.fs-dialog-title {
  font-size: 1.45rem;
}

.fs-dialog-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 2px;
}

.fs-dialog-close {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--text-secondary);
}

.fs-dialog-close:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.fs-dialog-body {
  flex: 1;
  overflow-y: auto;
  padding: 36px;
  max-width: 980px;
  margin: 0 auto;
  width: 100%;
}

.fs-dialog-footer {
  height: 80px;
  border-top: 1px solid var(--surface-border);
  background: var(--surface-0);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  padding: 0 36px;
  flex-shrink: 0;
}

/* ==========================================================================
   8. Form Controls & Alert Banners
   ========================================================================== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-container);
}

/* City Autocomplete & Live Validation Field */
.city-autocomplete-container {
  position: relative;
  width: 100%;
}

.input-with-validation {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-validation .form-input {
  padding-right: 44px;
}

.validation-indicator {
  position: absolute;
  right: 14px;
  font-size: 1.1rem;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.validation-indicator.validating {
  opacity: 0.7;
}

.validation-indicator.valid {
  color: var(--status-success);
}

.validation-indicator.invalid {
  color: var(--status-error);
}

.validation-msg {
  display: block;
  font-size: 0.8rem;
  margin-top: 6px;
  min-height: 18px;
  transition: all var(--transition-fast);
}

.validation-msg.valid {
  color: var(--status-success);
}

.validation-msg.invalid {
  color: var(--status-error);
}

.validation-msg.validating {
  color: var(--text-tertiary);
}

.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--surface-1);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  max-height: 220px;
  overflow-y: auto;
  z-index: 1000;
  animation: bannerSlideIn 0.2s ease-out forwards;
}

.autocomplete-item {
  padding: 12px 16px;
  font-size: 0.92rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--surface-border);
  transition: background var(--transition-fast);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover, .autocomplete-item.active {
  background: var(--surface-2);
  color: var(--primary);
}

.autocomplete-item-city {
  font-weight: 600;
}

.autocomplete-item-country {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* City Alert Banner for Public Walks */
.city-alert-banner {
  display: none;
  margin-top: 12px;
  padding: 14px 18px;
  background: var(--secondary-container);
  border: 1px solid var(--secondary);
  border-radius: var(--radius-md);
  color: var(--on-secondary-container);
  font-size: 0.92rem;
  align-items: center;
  justify-content: space-between;
  animation: bannerSlideIn 0.3s ease-out forwards;
}

.city-alert-banner.active {
  display: flex;
}

@keyframes bannerSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.theme-pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.theme-pill {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-pill:hover {
  background: var(--surface-1);
  border-color: var(--primary);
}

.theme-pill.selected {
  background: var(--primary-container);
  border-color: var(--primary);
  color: var(--primary);
}

.choice-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.choice-chip {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}

.choice-chip.selected {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

/* Checkbox Card */
.checkbox-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  cursor: pointer;
}

.checkbox-card input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* User Profile Saved Walks Grid */
.saved-walks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.saved-walk-card {
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-standard), box-shadow var(--transition-standard);
  cursor: pointer;
}

.saved-walk-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--backdrop);
  backdrop-filter: blur(8px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.loading-overlay.active {
  display: flex;
}

.loading-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 32px;
  background: var(--surface-0);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  width: 400px;
  text-align: center;
  backdrop-filter: blur(12px);
  animation: cardFadeIn var(--transition-standard) ease-out;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.loading-robot {
  width: 130px;
  height: 130px;
  animation: robotBounce 1.5s ease-in-out infinite alternate;
}

@keyframes robotBounce {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-10px) scale(1.03); }
}

.loading-title {
  margin-top: 20px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.3;
}

.loading-subtitle {
  margin-top: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.45;
}

/* Localized Leaflet Tile Layer Dark Mode Theme Filter */
[data-theme="dark"] .leaflet-tile-pane {
  filter: invert(100%) hue-rotate(180deg) brightness(88%) contrast(112%);
}

/* ==========================================================================
   9. Breaks Grid & Additional Utility Layouts
   ========================================================================== */
.breaks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* ==========================================================================
   9. Standard Application Footer & Debug Console
   ========================================================================== */
.lang-icon-btn {
  font-size: 1.3rem;
  line-height: 1;
}

.app-standard-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  min-height: 34px;
  background: var(--surface-0);
  border-top: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 490;
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  padding-bottom: max(6px, env(safe-area-inset-bottom));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 0 16px;
  justify-content: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer-dot {
  opacity: 0.35;
  font-size: 0.6rem;
}

.footer-copyright {
  font-size: 0.64rem;
  font-weight: 500;
  color: var(--text-tertiary);
  opacity: 0.8;
}

.footer-actions-right {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 10;
}

.footer-theme-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.footer-theme-btn:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* ==========================================================================
   Tour Overview Dialog Styling
   ========================================================================== */
.overview-hero-card {
  background: linear-gradient(135deg, var(--surface-1) 0%, var(--surface-2) 100%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
}

.overview-hero-badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.overview-hero-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
}

.overview-hero-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.overview-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.overview-metric-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-xs);
}

.overview-metric-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.overview-metric-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.overview-metric-label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.overview-metric-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.overview-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.overview-section-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-primary);
}

.overview-timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  padding-left: 20px;
}

.overview-timeline::before {
  content: "";
  position: absolute;
  left: 35px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--surface-border);
  z-index: 1;
}

.overview-timeline-card {
  position: relative;
  display: flex;
  gap: 14px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  z-index: 2;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.overview-timeline-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.overview-timeline-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.overview-timeline-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  flex: 1;
}

.overview-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.overview-timeline-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.overview-timeline-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  font-weight: 600;
}

.overview-timeline-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.overview-tips-card {
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}

.overview-tips-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.overview-tips-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: flex;
  gap: 10px;
}

.overview-tips-list li::before {
  content: "🤖";
  flex-shrink: 0;
}

/* Floating Debug Button */
.debug-floating-btn {
  position: absolute;
  bottom: 130px;
  left: 16px;
  z-index: 520;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--surface-0);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.debug-floating-btn:hover {
  background: var(--primary-container);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Debug Dialog Body & Tabs */
.debug-dialog-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  overflow-y: auto;
}

.debug-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1.5px solid var(--surface-border);
  padding-bottom: 8px;
  flex-wrap: wrap;
}

.debug-tab {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.debug-tab:hover {
  background: var(--surface-1);
  color: var(--text-primary);
}

.debug-tab.active {
  background: var(--primary-container);
  border-color: var(--primary);
  color: var(--primary);
}

.debug-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.debug-meta-tag {
  font-size: 0.78rem;
  font-family: monospace;
  background: var(--surface-1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.btn-copy {
  padding: 6px 12px;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.debug-code-box {
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.84rem;
  color: var(--text-primary);
  max-height: 440px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
}

.debug-diagnostics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.diag-card {
  background: var(--surface-0);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.diag-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.diag-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: monospace;
}

/* ==========================================================================
   10. Mobile-First Media Queries (Strictly Responsive & No Overflow)
   ========================================================================== */
@media (max-width: 768px) {
  /* Header Navbar Mobile Layout */
  .app-header {
    top: 8px;
    left: 8px;
    right: 8px;
    height: 56px;
    padding: 0 10px;
    border-radius: var(--radius-md);
  }

  .brand-section {
    gap: 8px;
  }

  .brand-avatar {
    width: 34px;
    height: 34px;
    padding: 2px;
  }

  .brand-title {
    font-size: 1.15rem;
  }

  .brand-badge {
    display: none;
  }

  .tour-status-pill {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .btn-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

  .lang-btn {
    height: 36px;
    padding: 0 8px;
    font-size: 0.8rem;
    gap: 4px;
    border-radius: var(--radius-sm);
  }

  .lang-btn-name {
    font-size: 0.8rem;
  }

  .btn-primary {
    padding: 8px 10px;
    font-size: 0.82rem;
    gap: 4px;
    border-radius: var(--radius-sm);
  }

  .user-profile-btn {
    padding: 2px;
    border-radius: 50%;
  }

  .user-name-tiny {
    display: none;
  }

  .user-avatar-tiny {
    width: 30px;
    height: 30px;
  }

  /* Walkeee Floating Companion HUD Mobile Layout */
  .companion-widget {
    top: 72px;
    right: 8px;
    left: 8px;
    justify-content: flex-end;
    gap: 8px;
  }

  .companion-figure {
    width: 48px;
    height: 48px;
    padding: 4px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
  }

  .companion-speech {
    max-width: calc(100vw - 78px);
    font-size: 0.8rem;
    padding: 8px 10px;
    line-height: 1.35;
    border-radius: var(--radius-md);
  }

  .companion-speech::after {
    top: 14px;
    right: -6px;
    border-width: 6px;
  }

  /* Tour Drawer Mobile Layout */
  .tour-drawer {
    height: 78px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }

  .tour-drawer.expanded {
    height: 82vh;
    height: 82dvh;
  }

  .drawer-peek-header {
    height: 60px;
    padding: 0 12px 4px 12px;
  }

  .peek-left-info {
    padding-right: 6px;
  }

  .stop-title {
    font-size: 1.05rem;
  }

  .peek-overview-text {
    display: none;
  }

  .peek-overview-btn {
    padding: 6px 8px;
    font-size: 0.78rem;
  }

  .peek-play-btn {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
  }

  .drawer-body {
    padding: 6px 12px 24px 12px;
    gap: 12px;
  }

  .drawer-trivia-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .drawer-stop-actions {
    gap: 6px;
  }

  .drawer-stop-actions .btn-secondary {
    padding: 8px 10px;
    font-size: 0.8rem;
  }

  /* Audio Controls Inside Mobile Drawer */
  .drawer-audio-section {
    padding: 12px 14px;
    gap: 10px;
  }

  .drawer-audio-section .audio-guide-info {
    min-width: 0;
    flex: 1;
    gap: 8px;
  }

  .drawer-audio-section .audio-guide-avatar {
    width: 36px;
    height: 36px;
  }

  .drawer-audio-section .audio-guide-persona {
    font-size: 0.84rem;
  }

  .drawer-audio-section .audio-guide-status {
    font-size: 0.74rem;
  }

  .drawer-audio-section .audio-controls {
    gap: 8px;
  }

  .drawer-audio-section .btn-audio-main {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .drawer-audio-section .audio-slider-group {
    width: 100%;
    justify-content: flex-end;
    font-size: 0.76rem;
  }

  /* Tour Overview Dialog Mobile Layout */
  .overview-hero-card {
    padding: 16px;
    margin-bottom: 14px;
  }

  .overview-hero-title {
    font-size: 1.35rem;
  }

  .overview-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 16px;
  }

  .overview-metric-card {
    padding: 10px 12px;
    gap: 8px;
  }

  .overview-metric-icon {
    font-size: 1.35rem;
  }

  .overview-metric-val {
    font-size: 0.95rem;
  }

  .overview-timeline {
    padding-left: 0;
    gap: 10px;
  }

  .overview-timeline::before {
    display: none;
  }

  .overview-timeline-card {
    padding: 12px 14px;
    gap: 10px;
  }

  .overview-timeline-badge {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .overview-timeline-name {
    font-size: 0.95rem;
  }

  .overview-tips-card {
    padding: 14px 16px;
  }

  /* Mobile Standard Application Footer */
  .app-standard-footer {
    padding: 6px 10px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }

  .footer-inner {
    font-size: 0.72rem;
    gap: 8px;
  }

  .footer-actions-right {
    right: 10px;
  }

  .footer-theme-btn {
    width: 26px;
    height: 26px;
    font-size: 0.82rem;
  }

  /* Full-Screen Dialogs Mobile Layout */
  .fs-dialog {
    height: 100vh;
    height: 100dvh;
  }

  .fs-dialog-header {
    height: auto;
    min-height: 60px;
    padding: 10px 14px;
  }

  .fs-dialog-title-group {
    gap: 10px;
  }

  .fs-dialog-avatar {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }

  .fs-dialog-title {
    font-size: 1.12rem;
  }

  .fs-dialog-subtitle {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.3;
    margin-top: 2px;
  }

  .fs-dialog-close {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .fs-dialog-body {
    padding: 14px 12px 20px 12px;
    -webkit-overflow-scrolling: touch;
  }

  .fs-dialog-footer {
    height: 62px;
    padding: 0 12px;
    gap: 8px;
    justify-content: space-between;
  }

  .fs-dialog-footer .btn-secondary,
  .fs-dialog-footer .btn-primary {
    flex: 1;
    justify-content: center;
    padding: 10px 12px;
    font-size: 0.88rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-label {
    font-size: 0.8rem;
    margin-bottom: 6px;
  }

  .form-input, .form-select, .form-textarea {
    padding: 10px 12px;
    font-size: 0.92rem;
  }

  .theme-pill-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .theme-pill {
    padding: 9px 6px;
    font-size: 0.78rem;
  }

  .choice-row {
    gap: 6px;
  }

  .choice-chip {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .breaks-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .checkbox-card {
    padding: 10px 12px;
    font-size: 0.82rem;
  }

  .saved-walks-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .saved-walk-card {
    padding: 14px;
  }

  .city-alert-banner {
    padding: 10px 12px;
    font-size: 0.82rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .city-alert-banner button {
    align-self: flex-end;
  }
}

/* Extra Compact Phones (≤ 380px) */
@media (max-width: 380px) {
  .brand-title {
    font-size: 1.02rem;
  }

  #open-tour-dialog-btn span:last-child {
    display: none;
  }

  .theme-pill-grid {
    grid-template-columns: 1fr;
  }
}