/* ==========================================================================
   Global & Responsive Layout Styles - GourmetPulse POS
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Custom Smooth Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-hover);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* App Header & Navigation */
.app-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: relative;
  z-index: 100;
  backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: var(--gradient-brand);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .brand-title {
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-success);
  background: rgba(16, 185, 129, 0.12);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-primary);
  padding: 5px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--border-radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-normal);
}

.nav-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.nav-btn i {
  font-size: 16px;
}

/* Header Quick Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.shift-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  font-size: 13px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-success);
  box-shadow: 0 0 10px var(--accent-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

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

.badge-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-secondary);
}

/* App Main Container & View Manager */
.app-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.view-pane {
  display: none;
  width: 100%;
  height: 100%;
  overflow-y: auto;
}

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

/* Form Controls & Inputs */
.form-input, .form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition-normal);
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  user-select: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--gradient-success);
  color: #ffffff;
  box-shadow: var(--shadow-glow-success);
}
.btn-success:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--gradient-warning);
  color: #ffffff;
}

.btn-danger {
  background: var(--accent-danger);
  color: #ffffff;
}
.btn-danger:hover {
  background: var(--accent-danger-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--bg-surface-hover);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 24px;
  font-size: 16px;
  border-radius: var(--border-radius-lg);
}

/* Utility Badges */
.badge {
  padding: 5px 12px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
}
.badge-veg {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-nonveg {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Modal Overlay Styling - Guaranteed Scrollable */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease-in-out;
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  width: 100%;
  max-width: 580px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

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

.modal-close:hover {
  color: var(--accent-danger);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  animation: slideInRight 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 280px;
}

.toast.toast-success { border-left-color: var(--accent-success); }
.toast.toast-danger { border-left-color: var(--accent-danger); }
.toast.toast-warning { border-left-color: var(--accent-warning); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes popInModal {
  from { transform: translate(-50%, -45%) scale(0.94); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* Mobile & Tablet App Bottom Navigation Bar */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  z-index: 900;
  backdrop-filter: blur(12px);
  justify-content: space-around;
  align-items: center;
  padding: 0 8px;
}

.mobile-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.mobile-nav-btn i {
  font-size: 18px;
}

.mobile-nav-btn.active {
  color: var(--accent-primary);
}

/* Comprehensive Native App Responsive Breakpoints */
@media (max-width: 1024px) {
  body {
    overflow-x: hidden;
    overflow-y: auto;
    padding-bottom: 74px;
  }

  .app-main {
    height: auto;
    min-height: calc(100vh - 64px);
    overflow: visible;
  }

  .view-pane {
    height: auto !important;
    min-height: 100%;
    overflow: visible !important;
    padding: 12px;
  }

  .app-header {
    height: auto;
    padding: 10px 16px;
    gap: 10px;
  }

  .nav-tabs { display: none !important; } /* Mobile bottom nav active */
  .mobile-bottom-nav { display: flex !important; }
  .brand-tag { display: none; }

  /* 1. Register View Mobile Responsiveness */
  .pos-layout {
    display: flex !important;
    flex-direction: column !important;
    height: auto !important;
    overflow: visible !important;
    gap: 20px;
  }

  .pos-catalog {
    width: 100% !important;
    height: auto !important;
    min-height: 480px;
    border-right: none;
    overflow: visible !important;
  }

  .products-container {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important;
    gap: 14px !important;
    padding: 14px !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
  }

  /* Mobile View: Right side bill section completely hidden by default */
  .pos-cart {
    display: none !important;
  }

  .mobile-cart-close-btn {
    display: flex !important;
  }

  .cart-modal-backdrop.active {
    display: block !important;
    opacity: 1 !important;
    pointer-events: all !important;
  }

  /* Pop-Up Modal View when Place Order button is clicked on mobile */
  .pos-cart.mobile-cart-popup-active {
    display: flex !important;
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 92% !important;
    max-width: 520px !important;
    max-height: 88vh !important;
    height: auto !important;
    min-height: auto !important;
    z-index: 1050 !important;
    background: var(--bg-secondary) !important;
    border: 2px solid var(--accent-primary) !important;
    border-radius: var(--border-radius-xl) !important;
    box-shadow: var(--shadow-lg) !important;
    padding-bottom: 0 !important;
    margin: 0 !important;
    overflow: hidden !important;
    animation: popInModal 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .pos-cart.mobile-cart-popup-active .cart-items-list {
    max-height: 280px !important;
    overflow-y: auto !important;
  }

  /* 2. Kitchen & Online Orders Board Grid Responsiveness */
  .kds-layout {
    height: auto !important;
    overflow: visible !important;
  }

  .kds-board {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
    padding: 12px !important;
    height: auto !important;
    overflow: visible !important;
  }

  .kds-column {
    height: auto !important;
    min-height: 350px;
    overflow: visible !important;
  }

  .kds-tickets-container {
    max-height: 450px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* 3. Dining Floor & Tables Grid Responsiveness */
  .tables-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)) !important;
    gap: 16px !important;
    padding: 12px !important;
  }

  .modal-card {
    width: 94% !important;
    max-height: 90vh !important;
    margin: 10px auto;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 8px 12px;
  }

  .brand-title {
    font-size: 15px;
  }

  .shift-info {
    display: none;
  }

  /* 1-Column Stacking for Kitchen & Online Orders on Mobile */
  .kds-board {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    padding: 8px !important;
  }

  /* 1-Column Stacking for Tables Floor Plan on Mobile */
  .tables-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .products-container {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
    gap: 10px !important;
    padding: 8px !important;
  }

  .search-filter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .filter-tags {
    justify-content: space-between;
  }

  .filter-tag {
    flex: 1;
    text-align: center;
  }

  .modal-card {
    width: 98% !important;
    padding: 12px;
  }

  .toast-container {
    bottom: 74px;
    right: 10px;
    left: 10px;
  }

  .toast {
    min-width: auto;
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Mobile Section Titles & Single-Row Headers
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .tables-header,
  .kds-header,
  .menu-header-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    padding: 10px 14px !important;
  }

  .section-header-text {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
    overflow: hidden !important;
    white-space: nowrap !important;
  }

  .section-header-text h2 {
    font-size: 14px !important;
    font-weight: 800 !important;
    margin: 0 !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .section-header-text .header-desc {
    font-size: 11px !important;
    color: var(--text-muted) !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    opacity: 0.85 !important;
  }

  /* Table Sub-Header & Status Legend Mobile Fix */
  .table-sub-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    padding: 10px 14px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .zone-selector {
    display: flex !important;
    gap: 6px !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    padding-bottom: 4px !important;
    -webkit-overflow-scrolling: touch;
    width: 100% !important;
  }

  .zone-btn {
    padding: 6px 12px !important;
    font-size: 12px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }

  .table-status-legend {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    gap: 8px 12px !important;
    font-size: 11px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 8px;
  }

  /* Menu & Live Stock Inventory Mobile Responsiveness */
  .reports-layout {
    padding: 10px !important;
    gap: 14px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .inventory-summary-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .transactions-table-container {
    padding: 10px !important;
    overflow-x: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    -webkit-overflow-scrolling: touch;
  }

  .data-table {
    min-width: 680px !important;
  }
}