/* ==========================================================================
   MOBILE PRESENTATION LAYER
   Active strictly on screen widths 900px and below (Smartphones, Small Tablets)
   ========================================================================== */

/* 1. Mobile Root & Global Spacing */
html, body {
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.workspace-panel {
  padding: 1.25rem 1rem 3rem 1rem !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
}

#panel-start-here {
  padding: 1rem 0.75rem 3.5rem 0.75rem !important;
  align-items: stretch !important;
}

#panel-dictionary {
  padding: 1rem 0.85rem 3.5rem 0.85rem !important;
  width: 100% !important;
}

#panel-videos {
  padding: 1rem 0.75rem 3rem 0.75rem !important;
}

#panel-sol-chat,
#panel-describing-lab {
  padding: 1.25rem 0.85rem 3rem 0.85rem !important;
}

#panel-output-practicing {
  padding: 0 0.5rem 2rem 0.5rem !important;
}

/* 2. Mobile Drawer Navigation & Touch Header */
.sidebar,
.sidebar.collapsed,
.sidebar.expanded {
  position: fixed !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: 280px !important;
  max-width: 85vw !important;
  z-index: 9999 !important;
  transform: translateX(-100%) !important;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-shadow: 4px 0 25px rgba(0, 0, 0, 0.8) !important;
  display: flex !important;
  flex-direction: column !important;
  visibility: visible !important;
  opacity: 1 !important;
  background-color: #e5e5ea !important;
  color: #121214 !important;
  border-right: 1px solid #c7c7cc !important;
}

.sidebar.mobile-active {
  transform: translateX(0) !important;
}

/* Ensure all sidebar contents are fully visible and readable on mobile */
.sidebar.collapsed .brand-text,
.sidebar .brand-text {
  display: block !important;
}

.sidebar.collapsed .brand,
.sidebar .brand {
  justify-content: flex-start !important;
}

.sidebar.collapsed .nav-label,
.sidebar .nav-label {
  display: inline-block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.sidebar.collapsed .nav-item,
.sidebar .nav-item {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  padding: 0.85rem 1.15rem !important;
  gap: 0.85rem !important;
}

.sidebar.collapsed .sidebar-divider,
.sidebar .sidebar-divider {
  display: block !important;
  margin: 0.5rem 1rem !important;
}

.sidebar.collapsed .sidebar-conversations-section,
.sidebar .sidebar-conversations-section {
  display: flex !important;
  flex-direction: column !important;
}

.sidebar .conversation-item-actions {
  opacity: 0.85 !important;
}


.sidebar.collapsed .sidebar-footer,
.sidebar .sidebar-footer {
  display: flex !important;
}

.sidebar.collapsed .status-text,
.sidebar .status-text {
  display: inline !important;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-backdrop.active {
  display: block !important;
  opacity: 1 !important;
}

.menu-toggle-btn {
  display: flex !important;
  cursor: pointer;
}

.app-container {
  width: 100% !important;
  max-width: 100vw !important;
  overflow-x: hidden !important;
}

.chat-workspace {
  width: 100% !important;
  max-width: 100vw !important;
  min-width: 0 !important;
  overflow-x: hidden !important;
}

.panels-container {
  width: 100% !important;
  max-width: 100vw !important;
  min-width: 0 !important;
  overflow-x: hidden !important;
}

.chat-header {
  width: 100% !important;
  max-width: 100vw !important;
  padding: 0.6rem 0.75rem !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
  gap: 0.5rem !important;
}

.header-left {
  min-width: 0 !important;
  flex-shrink: 1 !important;
}

.current-chat-title-container {
  min-width: 0 !important;
}

.chat-title-text {
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions {
  gap: 0.35rem !important;
  flex-shrink: 0 !important;
  display: flex !important;
  align-items: center !important;
}

/* Compact header buttons on mobile */
.install-app-btn .install-text,
.train-agent-btn .train-btn-text,
#admin-toggle-text {
  display: none !important;
}

#header-model-badge {
  display: none !important;
}

.admin-toggle-btn, .install-app-btn, .sign-in-btn, .train-agent-btn, .header-btn {
  font-size: 0.74rem !important;
  padding: 0 0.5rem !important;
  height: 32px !important;
  min-width: 32px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

/* 3. Mobile Success Path Timeline (Single-Column Left Track & Full-Width Cards) */
.success-path-container {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0.5rem 0 2rem 0 !important;
}

.success-path-hero {
  padding: 2rem 1.25rem 1.75rem 1.25rem !important;
  margin-bottom: 2rem !important;
  border-radius: 18px !important;
}

.success-path-title {
  font-size: 1.9rem !important;
  line-height: 1.2 !important;
}

.success-path-subtitle {
  font-size: 0.95rem !important;
  margin-bottom: 1.5rem !important;
}

.success-path-stats-row {
  gap: 1rem !important;
}

.success-path-stat-card {
  padding: 0.75rem 1rem !important;
  min-width: 120px !important;
}

.success-path-timeline {
  width: 100% !important;
  max-width: 100% !important;
  padding: 1.5rem 0 !important;
  position: relative;
}

.success-path-timeline::before {
  left: 20px !important;
  transform: none !important;
  width: 3px !important;
}

.path-module-row {
  display: flex !important;
  width: 100% !important;
  justify-content: flex-start !important;
  padding-left: 48px !important;
  box-sizing: border-box !important;
  margin-bottom: 2rem !important;
  position: relative !important;
}

.path-module-row.left,
.path-module-row.right {
  justify-content: flex-start !important;
}

.path-module-card {
  width: 100% !important;
  max-width: 100% !important;
  padding: 1.2rem !important;
  border-radius: 16px !important;
  flex-direction: column !important;
  gap: 1rem !important;
}

.module-thumb-box {
  width: 100% !important;
  height: 160px !important;
  border-radius: 12px !important;
}

.path-node-marker {
  left: 20px !important;
  top: 1.5rem !important;
  transform: translateX(-50%) !important;
  width: 36px !important;
  height: 36px !important;
  font-size: 0.85rem !important;
}

/* 4. Mobile Visual Dictionary (Stacked Decks & Full-Width Viewer) */
.dict-cover-container {
  grid-template-columns: 1fr !important;
  gap: 1.25rem !important;
  padding: 1.5rem 0 !important;
  width: 100% !important;
}

.dict-cover-card {
  min-height: 220px !important;
  padding: 1.5rem !important;
  border-radius: 16px !important;
}

.dict-cover-card h2 {
  font-size: 1.4rem !important;
}

.dict-slideshow-container {
  gap: 1rem !important;
}

.slideshow-header {
  flex-wrap: wrap !important;
  gap: 0.6rem !important;
}

.slide-image-wrapper {
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  aspect-ratio: 16 / 9 !important;
  border-radius: 12px !important;
}

.slide-floating-nav {
  width: 32px !important;
  height: 32px !important;
  font-size: 0.85rem !important;
  opacity: 0.7 !important;
}

.slide-floating-nav.next {
  right: 0.5rem !important;
}

.slide-floating-nav.prev {
  left: 0.5rem !important;
}

/* 5. Mobile Video Library & Touch Carousels */
.video-grid {
  grid-template-columns: 1fr !important;
  gap: 1.25rem !important;
}

.netflix-slider-track .video-card {
  flex: 0 0 85vw !important;
}

/* 6. Mobile Sol Chat & Describing Lab */
#panel-sol-chat {
  padding: 0.75rem 0.85rem 0.85rem 0.85rem !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
  height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
}

#panel-sol-chat .gemini-home-content {
  width: 100% !important;
  height: 100% !important;
  min-height: 100% !important;
  max-height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin: 0 auto !important;
  padding: 0.5rem 0 0.25rem 0 !important;
  box-sizing: border-box !important;
}

#panel-sol-chat .sol-eye-icon-wrapper {
  order: 1 !important;
  margin-top: auto !important;
  margin-bottom: 0.85rem !important;
  width: 130px !important;
  height: 140px !important;
  flex-shrink: 0 !important;
  display: flex !important;
  transition: all 0.3s ease !important;
}

#panel-sol-chat .gemini-home-greeting {
  order: 2 !important;
  font-size: 1.75rem !important;
  line-height: 1.25 !important;
  margin-bottom: auto !important;
  padding: 0 0.5rem !important;
  text-align: center !important;
  flex-shrink: 0 !important;
  display: block !important;
  transition: all 0.3s ease !important;
}

/* Hide empty conversation so Sol and greeting center vertically */
#panel-sol-chat .gemini-home-conversation:empty {
  display: none !important;
}

#panel-sol-chat .gemini-home-conversation {
  order: 3 !important;
  width: 100% !important;
  flex: 1 1 auto !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  margin: 0.5rem 0 !important;
  padding: 0 0.25rem !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.85rem !important;
}

#panel-sol-chat .gemini-input-wrapper {
  order: 4 !important;
  width: 100% !important;
  max-width: 100% !important;
  margin-top: 0 !important;
  margin-bottom: 0.5rem !important;
  position: relative !important;
  z-index: 50 !important;
  flex-shrink: 0 !important;
}

#panel-sol-chat .gemini-home-input-bar {
  width: 100% !important;
  max-width: 100% !important;
  height: 54px !important;
  padding: 0 0.6rem !important;
  gap: 0.45rem !important;
  box-sizing: border-box !important;
  border-radius: 28px !important;
}

#panel-sol-chat .gemini-home-input-bar input {
  min-width: 0 !important;
  font-size: 0.95rem !important;
}

#panel-sol-chat .gemini-home-model-selector {
  padding: 0.25rem 0.5rem !important;
  font-size: 0.76rem !important;
  flex-shrink: 0 !important;
}

#panel-sol-chat .gemini-bar-icon-btn {
  width: 34px !important;
  height: 34px !important;
  font-size: 1rem !important;
  flex-shrink: 0 !important;
}

#panel-sol-chat .gemini-home-glow-bg {
  width: 260px !important;
  height: 90px !important;
}

/* When conversation starts with messages, make Sol and greeting disappear */
#panel-sol-chat.has-messages .sol-eye-icon-wrapper,
#panel-sol-chat.has-messages .gemini-home-greeting,
#panel-sol-chat:has(.gemini-inline-message) .sol-eye-icon-wrapper,
#panel-sol-chat:has(.gemini-inline-message) .gemini-home-greeting,
#panel-sol-chat .gemini-home-content.has-messages .sol-eye-icon-wrapper,
#panel-sol-chat .gemini-home-content.has-messages .gemini-home-greeting,
#panel-sol-chat .gemini-home-content:has(.gemini-inline-message) .sol-eye-icon-wrapper,
#panel-sol-chat .gemini-home-content:has(.gemini-inline-message) .gemini-home-greeting {
  display: none !important;
}

#panel-sol-chat.has-messages .gemini-home-conversation,
#panel-sol-chat:has(.gemini-inline-message) .gemini-home-conversation,
#panel-sol-chat .gemini-home-content.has-messages .gemini-home-conversation,
#panel-sol-chat .gemini-home-content:has(.gemini-inline-message) .gemini-home-conversation {
  display: flex !important;
  flex: 1 1 auto !important;
  width: 100% !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  padding: 0.75rem 0.25rem 0.5rem 0.25rem !important;
  margin: 0 !important;
  order: 1 !important;
}

#panel-sol-chat.has-messages .gemini-input-wrapper,
#panel-sol-chat:has(.gemini-inline-message) .gemini-input-wrapper,
#panel-sol-chat .gemini-home-content.has-messages .gemini-input-wrapper,
#panel-sol-chat .gemini-home-content:has(.gemini-inline-message) .gemini-input-wrapper {
  order: 2 !important;
  margin-top: auto !important;
  margin-bottom: 0.5rem !important;
}