/* Modern, Responsive POS Design System for Day & Night Flea Markets */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* Day Theme (High contrast outdoor sunlight) */
  --font-main: 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-hover: #f1f5f9;
  --bg-active: #e2e8f0;

  --border-color: #e2e8f0;
  --border-light: #edf2f7;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;
  --brand-accent: #059669;
  --brand-accent-hover: #047857;

  --badge-bg: #dbeafe;
  --badge-text: #1e40af;
  --queue-bg: #fef3c7;
  --queue-border: #f59e0b;
  --queue-text: #b45309;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

[data-theme="night"] {
  /* Night Market OLED battery-saving neon theme */
  --bg-primary: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-hover: #263345;
  --bg-active: #334155;

  --border-color: #1e293b;
  --border-light: #162032;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --brand-primary: #3b82f6;
  --brand-primary-hover: #60a5fa;
  --brand-accent: #10b981;
  --brand-accent-hover: #34d399;

  --badge-bg: #1e3a8a;
  --badge-text: #93c5fd;
  --queue-bg: #78350f;
  --queue-border: #f59e0b;
  --queue-text: #fde68a;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
  user-select: none;
}

/* Header & Top Bar */
.top-navbar {
  height: 60px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 40;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.brand-placeholder-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #f97316, #ef4444);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 2px 6px rgba(249, 115, 22, 0.3);
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.nav-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-primary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.nav-tab-btn:hover {
  color: var(--text-primary);
}

.nav-tab-btn.active {
  background-color: var(--bg-surface);
  color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.nav-tab-btn .badge-pill {
  background: var(--brand-primary);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.icon-btn.connected {
  color: #10b981;
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

/* App Main Viewport */
.app-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
}

.tab-pane {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.tab-pane.active {
  display: flex;
}

/* ========================================================
   POS SCREEN (2 COLUMNS ON TABLET / 1 COLUMN MOBILE)
   ======================================================== */
.pos-screen {
  flex: 1;
  display: flex;
  height: 100%;
  overflow: hidden;
}

.pos-catalog-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

/* Catalog Search & Category Filter Bar */
.catalog-toolbar {
  padding: 12px 16px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper .search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 15px;
}

.search-input {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px 10px 38px;
  font-size: 14px;
  font-family: var(--font-main);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}

.search-input:focus {
  border-color: var(--brand-primary);
}

.category-chips-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.category-chips-scroll::-webkit-scrollbar {
  display: none;
}

.category-chip {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.category-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.category-chip.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

/* Menu Items Grid */
.menu-grid-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}

.menu-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  user-select: none;
}

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

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

.menu-card.unavailable {
  opacity: 0.55;
  filter: grayscale(80%);
}

.menu-card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

.menu-card-img {
  width: 100%;
  height: 95px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  margin-bottom: 8px;
  background: var(--bg-primary);
}

.menu-card-placeholder {
  width: 100%;
  height: 95px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
  margin-bottom: 8px;
  border: 1px solid var(--border-light);
}

.menu-card-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.menu-card-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.menu-card-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.2;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.menu-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 4px;
}

.menu-card-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-accent);
  font-family: var(--font-mono);
}

.menu-card-add-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--brand-primary);
  color: #fff;
  border: none;
  font-size: 16px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.menu-card-note-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.menu-card-note-btn:hover {
  background: var(--bg-hover);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ========================================================
   RIGHT PANEL: ORDER CART & CHECKOUT
   ======================================================== */
.pos-cart-panel {
  width: 400px;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.04);
  z-index: 20;
}

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

.queue-preview-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--queue-bg);
  border: 1px dashed var(--queue-border);
  padding: 4px 12px;
  border-radius: var(--radius-md);
  color: var(--queue-text);
}

.queue-preview-label {
  font-size: 11px;
  font-weight: 600;
}

.queue-preview-num {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
}

.table-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  outline: none;
}

.clear-cart-btn {
  background: transparent;
  border: none;
  color: #ef4444;
  font-size: 13px;
  font-family: var(--font-main);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.clear-cart-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}

#mobile-cart-close-btn {
  display: none;
}

/* Cart Items List */
.cart-items-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-cart-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  gap: 8px;
  text-align: center;
}

.empty-cart-state .icon {
  font-size: 42px;
  opacity: 0.6;
}

.cart-item-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cart-item-row-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cart-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.cart-item-price {
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  white-space: nowrap;
}

.cart-note-btn {
  background: rgba(245, 158, 11, 0.1);
  border: 1px dashed #f59e0b;
  color: #f59e0b;
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
  text-align: left;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-note-btn:hover {
  background: rgba(245, 158, 11, 0.2);
}

.shortcut-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.shortcut-chip {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.12s ease;
  user-select: none;
}

.shortcut-chip:hover {
  background: var(--bg-hover);
  border-color: var(--brand-primary);
}

.shortcut-chip.selected {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #b45309;
  font-weight: 700;
}

[data-theme="night"] .shortcut-chip.selected {
  background: #78350f;
  border-color: #f59e0b;
  color: #fde68a;
}

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

.cart-qty-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.qty-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.qty-btn:active {
  background: var(--bg-hover);
}

.qty-btn.danger {
  color: #ef4444;
}

.qty-val {
  min-width: 24px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Cart Checkout Summary Panel */
.cart-checkout-section {
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}

.summary-row.grand-total {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  border-top: 1px dashed var(--border-color);
  padding-top: 8px;
}

.grand-total .amount {
  color: var(--brand-accent);
  font-family: var(--font-mono);
}

.quick-cash-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.quick-cash-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  transition: all 0.1s ease;
}

.quick-cash-btn:hover {
  background: var(--bg-hover);
  border-color: var(--brand-primary);
}

.checkout-action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.pay-btn {
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 10px;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}

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

.pay-btn.cash {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}

.pay-btn.promptpay {
  background: linear-gradient(135deg, #0056b3, #1e40af);
  color: #fff;
}

.pay-btn.delivery {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #059669 0%, #06c755 50%, #00b14f 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(6, 199, 85, 0.25);
}

.pay-btn.delivery:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 16px rgba(6, 199, 85, 0.35);
}

.pay-btn .sub-label {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.9;
}

/* ========================================================
   KITCHEN / KDS BOARD (กระดานจัดเตรียมออเดอร์)
   ======================================================== */
.kds-container {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kds-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-surface);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.kds-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  flex: 1;
}

.kds-column {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.kds-column-header {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.kds-column.pending .kds-column-header {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.kds-column.preparing .kds-column-header {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.kds-column.ready .kds-column-header {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.kds-cards-scroll {
  padding: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.kds-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.1s ease;
}

.kds-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kds-queue-badge {
  font-size: 20px;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--brand-primary);
}

.kds-time-ago {
  font-size: 11px;
  color: var(--text-muted);
}

.kds-item-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  line-height: 1.3;
}

.kds-actions-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.kds-btn {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.kds-btn.call-voice {
  background: #8b5cf6;
  color: #fff;
}

.kds-btn.advance {
  background: var(--brand-accent);
  color: #fff;
}

.kds-btn.cancel {
  flex: 0 0 auto;
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 8px 10px;
  transition: all 0.15s ease;
}

.kds-btn.cancel:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
}

.kds-btn.print {
  flex: 0 0 34px;
  background: var(--bg-hover);
  color: var(--text-secondary);
}

/* KDS Delivery Badges & Card Enhancements */
.kds-card.is-delivery {
  border-left: 4px solid #10b981;
}

.kds-delivery-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 9999px;
  color: #fff;
  letter-spacing: 0.3px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.kds-delivery-badge.lineman { background: #06c755; }
.kds-delivery-badge.grabfood { background: #00b14f; }
.kds-delivery-badge.shopeefood { background: #ee4d2d; }
.kds-delivery-badge.robinhood { background: #872b91; }
.kds-delivery-badge.foodpanda { background: #d70f64; }
.kds-delivery-badge.other { background: #3b82f6; }

.kds-delivery-info {
  background: rgba(16, 185, 129, 0.08);
  border: 1px dashed rgba(16, 185, 129, 0.3);
  border-radius: 6px;
  padding: 6px 8px;
  margin: 4px 0;
  font-size: 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kds-delivery-ref {
  font-family: var(--font-mono);
  font-weight: 800;
  color: #10b981;
  font-size: 13px;
}

.kds-btn.call-rider {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
}

.report-delivery-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}

/* ========================================================
   SALES REPORT SCREEN (รายงานยอดขาย & ปิดกะ)
   ======================================================== */
.reports-container {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-value.highlight {
  color: var(--brand-accent);
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.report-split-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.report-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.report-box-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-weight: 600;
}

/* ========================================================
   SETTINGS & STORE MANAGER (DYNAMIC, NO CODE EDITING)
   ======================================================== */
.settings-container {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.settings-section-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.section-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
}

.section-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand-primary);
}

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.15s;
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

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

.btn-danger {
  background: #ef4444;
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

/* ========================================================
   MODALS (PromptPay QR, Cash Calculator, Modifiers)
   ======================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex !important;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--bg-surface-elevated);
}

/* PromptPay Modal Card specifics */
.promptpay-box {
  background: #ffffff;
  color: #0f172a;
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  border: 1px solid #cbd5e1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.promptpay-header-banner {
  background: #003d79;
  color: #ffffff;
  width: 100%;
  padding: 8px;
  border-radius: 6px;
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 14px;
}

.promptpay-qr-canvas-container {
  padding: 12px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* Delivery Platform Selection & Form Controls */
.delivery-platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

@media (max-width: 480px) {
  .delivery-platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.delivery-platform-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-surface-elevated, rgba(255, 255, 255, 0.04));
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.delivery-platform-btn:hover {
  border-color: var(--brand-primary);
  background: var(--bg-hover);
}

.delivery-platform-btn.active {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.delivery-platform-btn[data-platform="LINE MAN"].active {
  border-color: #06c755;
  background: rgba(6, 199, 85, 0.15);
  color: #06c755;
}

.delivery-platform-btn[data-platform="GrabFood"].active {
  border-color: #00b14f;
  background: rgba(0, 177, 79, 0.15);
  color: #00b14f;
}

.delivery-platform-btn[data-platform="ShopeeFood"].active {
  border-color: #ee4d2d;
  background: rgba(238, 77, 45, 0.15);
  color: #ee4d2d;
}

.delivery-platform-btn[data-platform="Robinhood"].active {
  border-color: #872b91;
  background: rgba(135, 43, 145, 0.15);
  color: #a855f7;
}

.delivery-platform-btn[data-platform="Foodpanda"].active {
  border-color: #d70f64;
  background: rgba(215, 15, 100, 0.15);
  color: #ec4899;
}

.prefix-tag-btn {
  border: 1px solid var(--border-color);
  background: var(--bg-surface-elevated, rgba(255, 255, 255, 0.05));
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.1s ease;
}

.prefix-tag-btn:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.delivery-payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (max-width: 480px) {
  .delivery-payment-grid {
    grid-template-columns: 1fr;
  }
}

.delivery-pay-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-elevated, rgba(255, 255, 255, 0.02));
  cursor: pointer;
  transition: all 0.15s ease;
}

.delivery-pay-option:hover {
  background: var(--bg-hover);
  border-color: var(--brand-primary);
}

.delivery-pay-option.active {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.1);
}

.delivery-pay-option input[type="radio"] {
  margin-top: 3px;
  accent-color: #10b981;
}

.pay-option-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pay-option-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.pay-option-desc {
  font-size: 10px;
  color: var(--text-muted);
}

.delivery-order-summary-box {
  background: var(--bg-primary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

/* Customer Mobile Ordering Floating Toggle */
.mobile-cart-bar {
  display: none;
}

/* KDS Filter Tabs for Mobile/Tablet */
.kds-filter-tabs {
  display: none;
}

/* ========================================================
   RESPONSIVE DESIGN (iPad Tablet & Mobile Phone Optimization)
   ======================================================== */

/* 1. TABLET LANDSCAPE (901px - 1180px) */
@media (min-width: 901px) and (max-width: 1180px) {
  .pos-cart-panel {
    width: 330px; /* Slimmer cart panel gives maximum room to menu catalog on iPad */
  }

  .menu-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  .menu-card-add-btn, .menu-card-note-btn {
    width: 32px;
    height: 32px;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
}

/* 2. TABLET PORTRAIT & MOBILE SCREENS (<= 900px) */
@media (max-width: 900px) {
  body {
    height: 100vh;
    height: 100dvh;
    overflow-x: hidden;
  }

  /* Two-tier App Header: Row 1 = Brand + Utilities, Row 2 = Scrollable Navigation Tabs */
  .top-navbar {
    height: auto;
    min-height: 52px;
    padding: 8px 12px;
    flex-wrap: wrap;
    row-gap: 8px;
  }

  .brand-section {
    flex: 1;
    min-width: 0;
  }

  .brand-logo-img, .brand-placeholder-icon {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }

  .brand-name {
    font-size: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 220px;
  }

  .brand-sub {
    display: none; /* Hide subtitle to preserve vertical height */
  }

  .header-actions {
    flex-shrink: 0;
    gap: 6px;
  }

  .icon-btn {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 3px;
    gap: 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
  }

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

  .nav-tab-btn {
    padding: 8px 14px;
    font-size: 13px;
    white-space: nowrap;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    min-height: 38px;
  }

  /* POS Main Catalog Area */
  .pos-catalog-panel {
    border-right: none;
  }

  .catalog-toolbar {
    padding: 10px 12px;
    gap: 8px;
  }

  .search-input {
    font-size: 15px;
    padding: 9px 12px 9px 36px;
  }

  .category-chip {
    padding: 7px 14px;
    font-size: 13px;
  }

  .menu-grid-scroll {
    padding: 12px;
    padding-bottom: 85px; /* Ensures last row of cards is never obscured by mobile cart bar */
    -webkit-overflow-scrolling: touch;
  }

  .menu-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  .menu-card-add-btn, .menu-card-note-btn {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  /* POS Cart Panel (Slide-Over Drawer on Mobile / Portrait Tablet) */
  .pos-cart-panel {
    display: none;
  }

  .pos-cart-panel.mobile-active {
    display: flex;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 95;
    background: var(--bg-surface);
    animation: drawerSlideUp 0.24s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .pos-cart-panel.mobile-active #mobile-cart-close-btn {
    display: flex !important;
  }

  @keyframes drawerSlideUp {
    from {
      transform: translateY(100%);
      opacity: 0.8;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .cart-header {
    padding: 12px 14px;
  }

  .cart-header .table-select {
    max-width: 140px;
    font-size: 12px;
  }

  .cart-items-scroll {
    flex: 1;
    padding: 12px 14px;
    -webkit-overflow-scrolling: touch;
  }

  .qty-btn {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .cart-note-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .cart-checkout-section {
    padding: 12px 14px;
    padding-bottom: max(14px, env(safe-area-inset-bottom));
  }

  .quick-cash-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .quick-cash-btn {
    padding: 8px 0;
    font-size: 13px;
  }

  .pay-btn {
    padding: 12px 8px;
    min-height: 48px;
  }

  /* Floating Bottom Mobile Cart Bar */
  .mobile-cart-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    min-height: 60px;
    background: var(--bg-surface-elevated);
    border-top: 1px solid var(--border-color);
    padding: 8px 16px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    align-items: center;
    justify-content: space-between;
    z-index: 50;
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.16);
    cursor: pointer;
    backdrop-filter: blur(8px);
  }

  /* KDS Kitchen Screen Mobile/Tablet */
  .kds-container {
    padding: 12px;
    gap: 12px;
  }

  .kds-header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
  }

  .kds-header h2 {
    font-size: 16px !important;
  }

  .kds-filter-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }

  .kds-filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .kds-filter-tab {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
  }

  .kds-filter-tab.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
  }

  .kds-columns {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 12px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .kds-column {
    flex: 0 0 calc(100vw - 32px);
    max-width: 480px;
    scroll-snap-align: center;
  }

  .kds-cards-scroll {
    max-height: 60vh;
  }

  .kds-btn {
    min-height: 40px;
    font-size: 12px;
    padding: 8px 6px;
  }

  /* Reports Screen Mobile/Tablet */
  .reports-container {
    padding: 12px;
    gap: 14px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-card {
    padding: 12px;
  }

  .stat-value {
    font-size: 20px;
  }

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

  .report-box {
    padding: 12px;
  }

  .data-table th, .data-table td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* Settings Screen Mobile/Tablet */
  .settings-container {
    padding: 12px;
    gap: 14px;
  }

  .settings-section-card {
    padding: 14px;
    gap: 12px;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-input, .form-select {
    font-size: 15px;
    min-height: 42px;
  }
}

/* 3. MOBILE PHONES (<= 600px) */
@media (max-width: 600px) {
  /* Menu grid 2 columns for phones */
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .menu-card {
    padding: 8px;
  }

  .menu-card-img, .menu-card-placeholder {
    height: 82px;
    font-size: 32px;
    margin-bottom: 6px;
  }

  .menu-card-name {
    font-size: 13px;
    line-height: 1.25;
    margin-bottom: 2px;
  }

  .menu-card-desc {
    display: none; /* Hide description on tiny phone cards for optimal height */
  }

  .menu-card-price {
    font-size: 15px;
  }

  .menu-card-add-btn, .menu-card-note-btn {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  /* Modals: Native Bottom Sheet style on phones */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-card {
    max-width: 100%;
    max-height: 92dvh;
    border-radius: 20px 20px 0 0;
    animation: modalSlideUpMobile 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes modalSlideUpMobile {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  .modal-header {
    padding: 12px 16px;
  }

  .modal-body {
    padding: 14px 16px;
    gap: 12px;
  }

  .modal-footer {
    padding: 12px 16px;
    padding-bottom: max(14px, env(safe-area-inset-bottom));
    flex-direction: column-reverse;
    gap: 8px;
  }

  .modal-footer button {
    width: 100%;
    min-height: 44px;
    font-size: 15px;
  }

  /* PromptPay QR on phones */
  #promptpay-qr-canvas {
    width: 180px !important;
    height: 180px !important;
  }

  .promptpay-box {
    padding: 12px;
    width: 100%;
  }

  /* Cash Calculator Modal on phones */
  #cash-received-input {
    font-size: 26px;
    padding: 10px;
  }

  /* Reports header on phones */
  .reports-container > div:first-child {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .reports-container > div:first-child > div:last-child {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .reports-container > div:first-child button {
    width: 100%;
    justify-content: center;
  }

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

  .stat-card {
    padding: 10px;
  }

  .stat-value {
    font-size: 17px;
  }

  /* Settings adjustments on phones */
  #settings-shortcuts-list {
    max-height: 160px;
    overflow-y: auto;
  }

  #customer-order-qr-canvas {
    width: 160px !important;
    height: 160px !important;
  }
}