/* ============================================
   TripBot Assistant - Apple-style Design System
   ============================================ */

:root {
  /* Colors - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f2f2f7;
  --bg-tertiary: #e5e5ea;
  --bg-card: #ffffff;
  
  --text-primary: #000000;
  --text-secondary: #8e8e93;
  --text-tertiary: #c7c7cc;
  
  --accent: #007aff;
  --accent-light: rgba(0, 122, 255, 0.1);
  --success: #34c759;
  --warning: #ff9500;
  --danger: #ff3b30;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-md: 15px;
  --font-size-lg: 17px;
  --font-size-xl: 20px;
  --font-size-xxl: 28px;
  
  /* Animation */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;
  
  /* Safe areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #1c1c1e;
  --bg-tertiary: #2c2c2e;
  --bg-card: #1c1c1e;
  
  --text-primary: #ffffff;
  --text-secondary: #8e8e93;
  --text-tertiary: #48484a;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Telegram Theme Integration */
body {
  --bg-primary: var(--tg-theme-bg-color, #ffffff);
  --bg-secondary: var(--tg-theme-secondary-bg-color, #f2f2f7);
  --text-primary: var(--tg-theme-text-color, #000000);
  --text-secondary: var(--tg-theme-hint-color, #8e8e93);
  --accent: var(--tg-theme-button-color, #007aff);
}

/* ============================================
   Base Styles
   ============================================ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.4;
  color: var(--text-primary);
  background: var(--bg-secondary);
  min-height: 100vh;
  overflow-x: hidden;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   Header
   ============================================ */

#header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  padding-top: calc(var(--spacing-md) + var(--safe-top));
  background: var(--bg-primary);
  border-bottom: 1px solid var(--bg-tertiary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

#header-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  flex: 1;
  text-align: center;
}

.header-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.header-btn:active {
  background: var(--accent-light);
}

.header-btn.hidden {
  visibility: hidden;
}

/* ============================================
   Main Content
   ============================================ */

#content {
  flex: 1;
  padding: var(--spacing-md);
  padding-bottom: calc(var(--spacing-lg) + var(--safe-bottom));
}

.view {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.view.active {
  display: block;
}

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

/* ============================================
   Menu Grid
   ============================================ */

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.menu-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.menu-card:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-md);
}

.menu-icon {
  font-size: 36px;
  line-height: 1;
}

.menu-label {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
}

.menu-count {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 11px;
}

.menu-count:empty,
.menu-count[data-value="0"] {
  display: none;
}

/* ============================================
   List View
   ============================================ */

.list-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.list-header h2 {
  font-size: var(--font-size-xxl);
  font-weight: 700;
}

.badge {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: 12px;
}

.items-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Item Card */
.item-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
  width: 100%;
  text-align: left;
}

.item-card:active {
  transform: scale(0.98);
}

.item-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: 24px;
  flex-shrink: 0;
}

.item-content {
  flex: 1;
  min-width: 0;
}

.item-title {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.item-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

.rating {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.rating.imdb {
  color: #f5c518;
}

.rating.kp {
  color: #ff6600;
}

.chevron {
  color: var(--text-tertiary);
}

/* ============================================
   Film-specific styles
   ============================================ */

.film-ratings {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.film-year {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ============================================
   Empty State
   ============================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.empty-state p {
  color: var(--text-secondary);
  font-size: var(--font-size-md);
}

.empty-hint {
  font-size: var(--font-size-sm) !important;
  margin-top: var(--spacing-xs);
}

/* ============================================
   Detail View
   ============================================ */

#detail-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.detail-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 32px;
  flex-shrink: 0;
}

.detail-info {
  flex: 1;
}

.detail-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.detail-subtitle {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

.detail-ratings {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.detail-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.detail-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--bg-tertiary);
}

.detail-section h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.detail-section p {
  font-size: var(--font-size-md);
  line-height: 1.6;
  color: var(--text-primary);
}

.detail-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--accent);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.action-btn:active {
  background: var(--bg-secondary);
}

.action-btn.danger {
  color: var(--danger);
}

/* ============================================
   Travel & Hotel Cards
   ============================================ */

.section-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.cards-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.hotel-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
  width: 100%;
  text-align: left;
}

.hotel-card:active {
  transform: scale(0.98);
}

.hotel-image {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 28px;
  flex-shrink: 0;
}

.hotel-info {
  flex: 1;
}

.hotel-info h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
}

.hotel-info p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Hotel Detail */
.hotel-header {
  text-align: center;
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--bg-tertiary);
  margin-bottom: var(--spacing-lg);
}

.hotel-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.hotel-header p {
  color: var(--text-secondary);
}

.availability-section {
  margin-bottom: var(--spacing-lg);
}

.availability-month {
  margin-bottom: var(--spacing-md);
}

.availability-month h4 {
  font-size: var(--font-size-md);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.period-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
}

.period-dates {
  font-size: var(--font-size-md);
}

.period-days {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================
   Settings
   ============================================ */

.settings-list {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--bg-tertiary);
}

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

.toggle {
  position: relative;
  width: 51px;
  height: 31px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-tertiary);
  border-radius: 31px;
  transition: var(--transition-normal);
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 27px;
  width: 27px;
  left: 2px;
  bottom: 2px;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.toggle input:checked + .toggle-slider {
  background: var(--success);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.settings-info {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.text-secondary {
  color: var(--text-tertiary) !important;
}

/* ============================================
   Loading & Toast
   ============================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-card);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.toast {
  position: fixed;
  bottom: calc(var(--spacing-lg) + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  z-index: 1001;
  animation: toastIn var(--transition-normal);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ============================================
   Utility Classes
   ============================================ */

.hidden {
  display: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 0;
  background: transparent;
}

/* ============================================
   Idea Detail Styles
   ============================================ */

.idea-detail {
  padding: var(--spacing-md);
}

.idea-header {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.idea-score {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.idea-header h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.idea-oneliner {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: var(--spacing-sm);
}

.idea-category {
  display: inline-block;
  background: var(--accent);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
}

.idea-section {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.idea-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.idea-section p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.idea-verdict {
  border-left: 4px solid var(--accent);
}

.idea-meta {
  margin-top: var(--spacing-sm);
  font-size: 13px;
}

.idea-meta > div {
  margin-bottom: 4px;
  color: var(--text-secondary);
}

.idea-meta strong {
  color: var(--text-primary);
}

.idea-features {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.idea-features li {
  padding: 4px 0 4px 20px;
  position: relative;
  color: var(--text-secondary);
  font-size: 13px;
}

.idea-features li::before {
  content: "•";
  position: absolute;
  left: 6px;
  color: var(--accent);
}

.idea-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.metric {
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.metric-value {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-label {
  display: block;
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.idea-risks ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.idea-risks li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--text-secondary);
  font-size: 13px;
}

.idea-risks li::before {
  content: "⚠️";
  position: absolute;
  left: 0;
  font-size: 12px;
}

/* ============================================
   Outfit Gallery Styles
   ============================================ */

.outfit-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
}

.outfit-card {
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s;
}

.outfit-card:active {
  transform: scale(0.98);
}

.outfit-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
}

.outfit-placeholder span {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
}

.outfit-placeholder small {
  font-size: 12px;
  text-align: center;
  padding: 0 var(--spacing-sm);
}

.outfit-detail {
  padding: var(--spacing-md);
}

.outfit-image-placeholder {
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
}

.outfit-image-placeholder span {
  font-size: 64px;
  margin-bottom: var(--spacing-sm);
}

.outfit-info {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.outfit-info h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.outfit-info p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Outfit real image */
.outfit-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.outfit-detail .outfit-image {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Filter Buttons
   ============================================ */

.filter-buttons {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:active {
  transform: scale(0.98);
}

.filter-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

/* Search Info */
.search-info {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.search-info > div {
  margin: var(--spacing-xs) 0;
}

/* Period Price */
.period-price {
  font-size: var(--font-size-sm);
  color: var(--success);
  font-weight: 600;
  margin: 0 var(--spacing-xs);
}

/* Filter Controls */
.filter-controls {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.filter-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

/* Search Button */
.search-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  margin-top: var(--spacing-md);
  transition: all var(--transition-fast);
}

.search-btn:active {
  transform: scale(0.98);
  background: #0051d5;
}