/* nyamOS Customer Ordering App — Pure Vanilla CSS Custom Properties */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-color: #0B0C10;
  --bg-surface: rgba(255, 255, 255, 0.05);
  --bg-surface-hover: rgba(255, 255, 255, 0.08);
  --bg-surface-card: rgba(20, 22, 28, 0.7);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(255, 255, 255, 0.25);
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  /* Category Accent Colors: Default fallback (teal restaurant) */
  --accent-color: #0D9488;
  --accent-hover: #0F766E;
  --accent-light: rgba(13, 148, 136, 0.15);
  --accent-border: rgba(13, 148, 136, 0.4);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --glass-blur: blur(20px);
  --glass-bg: rgba(15, 17, 23, 0.82);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-sheet: 0 -10px 30px rgba(0, 0, 0, 0.75);
}

/* Category Specific Color Overrides */
body[data-category="hotel"] {
  --accent-color: #F59E0B; /* warm amber */
  --accent-hover: #D97706;
  --accent-light: rgba(245, 158, 11, 0.15);
  --accent-border: rgba(245, 158, 11, 0.4);
}

body[data-category="cafe"] {
  --accent-color: #EA580C; /* terracotta */
  --accent-hover: #C2410C;
  --accent-light: rgba(234, 88, 12, 0.15);
  --accent-border: rgba(234, 88, 12, 0.4);
}

body[data-category="restaurant"] {
  --accent-color: #0D9488; /* teal */
  --accent-hover: #0F766E;
  --accent-light: rgba(13, 148, 136, 0.15);
  --accent-border: rgba(13, 148, 136, 0.4);
}

/* Light Mode Overrides for Customer App */
body.light-mode {
  --bg-color: #F8FAFC;
  --bg-surface: rgba(255, 255, 255, 0.92);
  --bg-surface-hover: rgba(241, 245, 249, 0.95);
  --bg-surface-card: #FFFFFF;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(0, 0, 0, 0.2);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --glass-bg: rgba(255, 255, 255, 0.96);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-sheet: 0 -10px 30px rgba(0, 0, 0, 0.15);
}

/* 3D Glass Orb Button for Order App Header */
.order-glass-orb {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.25) 50%, rgba(240, 240, 240, 0.15) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1), inset 0 2px 3px rgba(255, 255, 255, 0.7);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  padding: 0;
  outline: none;
}

body:not(.light-mode) .order-glass-orb {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 50%, rgba(0, 0, 0, 0.4) 100%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), inset 0 2px 3px rgba(255, 255, 255, 0.35);
}

.order-glass-orb:hover {
  transform: scale(1.08);
}

.order-glass-orb:active {
  transform: scale(0.96);
}

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

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, var(--accent-light) 0%, transparent 40%);
  background-attachment: fixed;
  padding-bottom: 120px; /* space for persistent cart bar */
}

/* Base utility classes */
.app-container {
  max-width: 540px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
}

/* Glass panel */
.glass {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
}

/* Header */
.shop-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 16px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
}

.shop-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.shop-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.shop-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 1px solid var(--border-color);
  background: #1E222B;
}

.shop-info h1 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
}

.shop-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: capitalize;
}

.badge-table {
  background: var(--accent-light);
  color: var(--accent-color);
  border: 1px solid var(--accent-border);
}

.badge-category {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

/* Category Navigation Bar */
.category-nav {
  position: sticky;
  top: 77px;
  z-index: 35;
  background: rgba(11, 12, 16, 0.92);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.category-nav::-webkit-scrollbar {
  display: none;
}

.category-tab {
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
}

.category-tab.active,
.category-tab:hover {
  background: var(--accent-color);
  color: #FFFFFF;
  border-color: var(--accent-color);
}

/* Menu Content */
.menu-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.category-section {
  scroll-margin-top: 135px;
}

.category-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.items-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.menu-item-card {
  background: var(--bg-surface-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  gap: 14px;
  align-items: center;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.menu-item-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.item-img {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: #1C1F26;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.item-img-placeholder {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-md);
  background: #181A20;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.5rem;
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

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

.item-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.item-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.item-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Large Tap Target Add / Quantity buttons */
.add-btn {
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  color: var(--accent-color);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  min-width: 72px;
  height: 44px; /* Min 44px tap target */
  padding: 0 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.add-btn:active {
  transform: scale(0.96);
  background: var(--accent-color);
  color: #FFFFFF;
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 2px 4px;
}

.qty-btn {
  width: 40px;
  height: 40px; /* Near 44px within 44px padded container */
  border-radius: var(--radius-full);
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.qty-btn:active {
  background: var(--accent-color);
}

.qty-count {
  font-weight: 700;
  font-size: 0.95rem;
  min-width: 22px;
  text-align: center;
}

/* Persistent Cart Bar */
.cart-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 508px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-xl);
  padding: 10px 14px 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

.cart-bar.hidden {
  transform: translate(-50%, 150%);
  opacity: 0;
  pointer-events: none;
}

.cart-bar-info {
  display: flex;
  flex-direction: column;
}

.cart-bar-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.cart-bar-total {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
}

.cart-view-btn {
  background: var(--accent-color);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-lg);
  height: 46px; /* 46px tap target */
  padding: 0 20px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: filter 0.2s ease;
}

.cart-view-btn:active {
  filter: brightness(0.9);
  transform: scale(0.98);
}

/* Modals & Bottom Sheets */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.bottom-sheet {
  background: #12141A;
  border: 1px solid var(--border-color);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  padding: 20px 20px calc(24px + env(safe-area-inset-bottom));
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sheet);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
}

.modal-overlay.open .bottom-sheet {
  transform: translateY(0);
}

.sheet-handle {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  margin: 0 auto 16px;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sheet-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.cart-items-list {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
  max-height: 40vh;
  padding-right: 4px;
}

.cart-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cart-item-info {
  flex: 1;
}

.cart-item-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.cart-item-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.cart-item-note-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.8rem;
  padding: 6px 10px;
  margin-top: 6px;
  outline: none;
}
.cart-item-note-input:focus {
  border-color: var(--accent-color);
}

.cart-summary {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 1.1rem;
  font-weight: 800;
  color: #FFFFFF;
  padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

/* Checkout CTA Buttons */
.btn-primary {
  width: 100%;
  min-height: 50px;
  background: var(--accent-color);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: filter 0.15s ease;
}

.btn-primary:active {
  filter: brightness(0.9);
}

.btn-telegram {
  background: #229ED9; /* Telegram blue */
  color: #FFFFFF;
}

.btn-guest {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  margin-top: 10px;
  min-height: 46px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.btn-guest:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
}

/* Order Placed Screen */
.order-confirmation {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  color: var(--accent-color);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 2rem;
}

.order-number-card {
  background: var(--bg-surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  width: 100%;
  margin: 16px 0;
}

.khqr-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 16px;
  margin: 16px 0;
  width: 100%;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #0B0C10;
}

.khqr-box img {
  width: 100%;
  max-width: 240px;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.khqr-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #E11D48;
  letter-spacing: 0.05em;
}

/* Empty / Loading State */
.loading-state,
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

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