/* CSS Variables for theming */
:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #25d366;
  --color-success-dark: #128c7e;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* App Container */
#app {
  min-height: 100vh;
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-bg);
}

/* ===== HOME VIEW ===== */

.home-view {
  min-height: 100vh;
}

/* Search Header */
.search-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.search-container {
  display: flex;
  align-items: center;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
}

.search-icon {
  font-size: 1.25rem;
  margin-right: var(--spacing-sm);
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1rem;
  padding: var(--spacing-xs) 0;
  outline: none;
  color: var(--color-text);
}

.search-input::placeholder {
  color: var(--color-text-secondary);
}

/* Category Navigation */
.category-nav {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.category-nav::-webkit-scrollbar {
  display: none;
}

.category-chip {
  flex-shrink: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.category-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-chip.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* Results Container */
.results-container {
  padding: var(--spacing-md);
  padding-bottom: 80px;
}

/* No Results */
.no-results {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-secondary);
}

.no-results p:first-child {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.no-results .hint {
  font-size: 0.875rem;
}

/* Seller List */
.seller-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Seller Card */
.seller-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.seller-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.card-emoji {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.card-category {
  display: inline-block;
  padding: 2px 8px;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.card-location {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.card-snippet {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== DETAIL VIEW ===== */

.detail-view {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 80px;
}

/* Detail Header */
.detail-header {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-button {
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-xs) 0;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.header-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.detail-emoji {
  font-size: 2rem;
  flex-shrink: 0;
}

.detail-title {
  flex: 1;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.detail-category {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 6px;
  text-transform: uppercase;
  flex-shrink: 0;
}

/* Detail Content */
.detail-content {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Detail Sections */
.detail-section {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.detail-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

/* Location */
.landmark {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.address {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Hours */
.detail-section.hours p {
  font-size: 0.9375rem;
  color: var(--color-text);
}

/* Menu Grid */
.menu-grid {
  display: grid;
  gap: var(--spacing-sm);
}

.menu-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.menu-name {
  font-weight: 500;
  color: var(--color-text);
  grid-column: 1;
}

.menu-price {
  font-weight: 600;
  color: var(--color-primary);
  grid-column: 2;
}

.menu-desc {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* Description */
.detail-section.description p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* Photos Grid */
.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

.photos-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
}

/* Detail Footer (WhatsApp CTA) */
.detail-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 99;
}

.whatsapp-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-success);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  transition: background-color 0.2s ease;
  box-shadow: var(--shadow-md);
}

.whatsapp-button:hover {
  background-color: var(--color-success-dark);
}

.whatsapp-button:active {
  transform: scale(0.98);
}

/* Responsive Tweaks */
@media (min-width: 600px) {
  #app {
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
  }

  .detail-footer {
    max-width: 600px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Touch Targets - Minimum 44px */
button,
a,
.category-chip,
.seller-card {
  min-height: 44px;
  display: flex;
  align-items: center;
}

/* Accessibility */
.seller-card:focus,
.category-chip:focus,
.back-button:focus,
.whatsapp-button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.seller-card,
.detail-section {
  animation: fadeIn 0.3s ease;
}

/* Utility */
.capitalize {
  text-transform: capitalize;
}

/* ===== BOTTOM NAVIGATION ===== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  padding-bottom: max(var(--spacing-sm), env(safe-area-inset-bottom));
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.2s ease;
  min-width: 60px;
  padding: var(--spacing-xs);
}

.nav-item:hover {
  color: var(--color-primary);
}

.nav-item.active {
  color: var(--color-primary);
}

.nav-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.nav-label {
  font-weight: 500;
}

/* Add padding to views with bottom nav */
.home-view,
.shop-view,
.profile-view {
  padding-bottom: 70px;
}

/* ===== SHOP VIEW ===== */

.shop-view {
  min-height: 100vh;
  background-color: var(--color-bg);
}

.page-header {
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.shop-content {
  padding: var(--spacing-md);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.empty-state h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.cta-button {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
}

/* ===== PROFILE VIEW ===== */

.profile-view {
  min-height: 100vh;
  background-color: var(--color-bg);
}

.profile-header {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
}

.profile-avatar {
  margin-bottom: var(--spacing-md);
}

.avatar-emoji {
  font-size: 4rem;
  display: inline-block;
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: white;
}

.profile-email {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
}

.profile-content {
  padding: var(--spacing-md);
}

.profile-section {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.profile-section h2 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.profile-menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-sm);
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.menu-item:hover {
  background-color: var(--color-bg);
}

.menu-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.menu-text {
  flex: 1;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.menu-arrow {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.app-version {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}