/* Custom CSS for the application (no Tailwind @apply to ensure it works via CDN) */

:root {
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-800: #1e40af;
  --indigo-50: #eef2ff;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-700: #b91c1c;
  --green-50: #ecfdf5;
  --green-100: #dcfce7;
  --green-600: #16a34a;
  --green-700: #15803d;
  --teal-50: #f0fdfa;
  --teal-100: #ccfbf1;
}

body {
  font-family: 'Noto Sans Lao', 'Phetsarath OT', sans-serif;
}

html, body { height: 100%; }
html { scroll-behavior: smooth; }

/* Dynamic viewport height (prevents 100vh issues on mobile browser chrome) */
.app-dvh {
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
}

/* Ensure anchored sections don't hide under sticky header */
.card[id] { scroll-margin-top: 5.5rem; }

/* Improve number input UX: hide native spinners */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] { -moz-appearance: textfield; }

/* Cards */
.card { 
  background: #fff; 
  border-radius: 12px; 
  box-shadow: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05); 
  overflow: hidden; 
  transition: box-shadow 0.3s ease;
}
.card:hover {
  box-shadow: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
}
.card-header { 
  background: var(--gray-50); 
  padding: 1rem 1.5rem; 
  border-bottom: 1px solid var(--gray-200); 
}
.card-body { 
  padding: 1.5rem; 
}

/* Buttons */
.btn { 
  display: inline-flex; 
  align-items: center; 
  padding: .5rem 1rem; 
  border: 1px solid transparent; 
  font-size: .875rem; 
  font-weight: 500; 
  border-radius: .5rem; 
  box-shadow: 0 1px 2px rgba(0,0,0,.05); 
  transition: all .2s ease; 
  cursor: pointer; 
}
.btn:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
}
.btn:active { 
  transform: translateY(0); 
}
.btn:focus { 
  outline: none; 
  box-shadow: 0 0 0 3px rgba(59,130,246,.4); 
}
.btn-primary { 
  color: #fff; 
  background: linear-gradient(90deg, var(--blue-500), var(--indigo-600)); 
  border: none;
}
.btn-primary:hover { 
  background: linear-gradient(90deg, var(--blue-600), var(--indigo-700)); 
  box-shadow: 0 10px 15px -3px rgba(79,70,229,.25), 0 4px 6px -2px rgba(79,70,229,.15); 
}
.btn-secondary { 
  color: #374151; 
  background: linear-gradient(90deg, #e5e7eb, #d1d5db); 
}
.btn-secondary:hover { 
  background: linear-gradient(90deg, #d1d5db, #cbd5e1); 
  box-shadow: 0 8px 12px -3px rgba(0,0,0,.08); 
}
.btn-danger { 
  color: #fff; 
  background: linear-gradient(90deg, #ef4444, #f97316); 
}
.btn-success { 
  color: #fff; 
  background: linear-gradient(90deg, #22c55e, #059669); 
}
.btn-info { 
  color: #fff; 
  background: linear-gradient(90deg, #6366f1, #7c3aed); 
}

/* Forms */
.form-input, .form-select, .form-textarea { 
  display:block; 
  width:100%; 
  border:1px solid var(--gray-300); 
  border-radius:.5rem; 
  padding:.5rem .75rem; 
  font-size:.875rem; 
  transition: box-shadow .2s ease, border-color .2s ease; 
  background:#fff; 
  color:#111827; 
}
.form-input:focus, .form-select:focus, .form-textarea:focus { 
  border-color: var(--blue-500); 
  box-shadow: 0 0 0 4px rgba(59,130,246,.15); 
  outline: none; 
}
.form-label { 
  display:block; 
  font-size:.875rem; 
  font-weight:600; 
  color:#374151; 
  margin-bottom:.25rem; 
}

/* Tables */
.table { 
  min-width:100%; 
  border-collapse: collapse; 
}
.table-head { 
  background: var(--gray-50); 
}
.table-header-cell { 
  padding: .75rem 1.5rem; 
  text-align:left; 
  font-size:.75rem; 
  font-weight:600; 
  color:#6b7280; 
  letter-spacing:.05em; 
  text-transform:uppercase; 
}
.table-body { 
  background:#fff; 
}
.table-cell { 
  padding: 1rem 1.5rem; 
  white-space:nowrap; 
  font-size:.875rem; 
  color:#6b7280; 
}

/* Alerts */
.alert { 
  border-radius:.5rem; 
  padding:1rem; 
}
.alert-danger { 
  background: var(--red-50); 
  color: #991b1b; 
  border:1px solid var(--red-100); 
}
.alert-success { 
  background: var(--green-50); 
  color: var(--green-700); 
  border:1px solid var(--green-100); 
}

/* Utilities */
.table-responsive { 
  overflow-x:auto; 
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

/* Mobile-first tweaks */
@media (max-width: 767px) {
  /* Prevent iOS Safari zooming inputs (<16px font-size triggers zoom) */
  .form-input, .form-select, .form-textarea {
    font-size: 16px;
  }

  /* Make tables readable on small screens */
  .table-header-cell,
  .table-cell {
    padding: 0.5rem 0.75rem;
  }
  .table-cell {
    white-space: normal;
  }
}

/* Responsive auto-fit grid for dashboard icons */
.auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--icon-min, 84px), 1fr));
  gap: var(--icon-gap, .5rem);
  align-items: stretch;
}
/* Force 3 columns on mobile while letting tiles auto-size */
@media (max-width: 767px) {
  .auto-grid { grid-template-columns: repeat(3, minmax(var(--icon-min, 84px), 1fr)); }
}
/* Very small phones: show 2 columns */
@media (max-width: 360px) {
  .auto-grid { grid-template-columns: repeat(2, minmax(var(--icon-min, 84px), 1fr)); }
}
@media (min-width: 480px) {
  .auto-grid { grid-template-columns: repeat(auto-fit, minmax(var(--icon-min, 96px), 1fr)); }
}
@media (min-width: 640px) {
  .auto-grid { grid-template-columns: repeat(auto-fit, minmax(var(--icon-min, 110px), 1fr)); }
}

/* Icon tile sizing that scales nicely on mobile */
.icon-tile { 
  padding: .6rem; 
  border-radius: .75rem;
  background: #fff;
  border: 1px solid var(--gray-100);
  box-shadow: 0 8px 18px -14px rgba(0,0,0,.35);
  transition: transform .15s ease, box-shadow .15s ease;
  touch-action: manipulation;
}
.icon-tile:hover { 
  transform: translateY(-1px); 
  box-shadow: 0 12px 26px -18px rgba(0,0,0,.35);
}
.icon-tile:active { transform: translateY(0); }
.icon-circle {
  width: clamp(2.25rem, 8vw, 3rem);
  height: clamp(2.25rem, 8vw, 3rem);
}
.icon-label {
  display: block;
  margin-top: .45rem;
  font-size: clamp(11px, 3vw, 13px);
  line-height: 1.1;
  text-align: center;
  color: #374151; /* gray-700 */
  overflow: hidden;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

@media (max-width: 640px) {
  .icon-tile { padding: .55rem; min-height: 98px; }
}

/* Mobile-specific adjustments */
@media (max-width: 767px) {
  .container { 
    padding-left:1rem; 
    padding-right:1rem; 
  }
  .btn { 
    min-height:44px; 
    min-width:44px; 
  }
  /* Prevent iOS auto-zoom on form focus */
  .form-input, .form-select, .form-textarea {
    font-size: 16px;
  }
  main { 
    padding-bottom: 6rem; 
  }
  .card { 
    border-radius: .5rem; 
  }
  .card-header { 
    padding: .75rem 1rem; 
  }
  .card-body { 
    padding: 1rem; 
  }
  
  /* Adjust grid layouts for mobile */
  .grid-cols-1.md\:grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-cols-1.md\:grid-cols-3 {
    grid-template-columns: 1fr;
  }
  
  .grid-cols-1.md\:grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* Mobile-first stacked table for narrow screens */
@media (max-width: 640px) {
  .responsive-table thead {
    display: none;
  }
  .responsive-table tbody tr {
    display: block;
    border: 1px solid var(--gray-200);
    border-radius: .5rem;
    margin-bottom: .75rem;
    background: #fff;
  }
  .responsive-table tbody tr.border-t {
    border-top-width: 1px; /* preserve subtle separation */
  }
  .responsive-table td {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: .5rem;
    padding: .5rem .75rem;
    white-space: normal;
  }
  .responsive-table td[data-label]::before {
    content: attr(data-label);
    font-weight: 600;
    color: #374151; /* gray-700 */
  }
  .responsive-table td.actions {
    grid-template-columns: 1fr;
    row-gap: .5rem;
  }
}

/* Improve touch scrolling for horizontally scrollable areas */
.overflow-x-auto {
  -webkit-overflow-scrolling: touch;
}

.print-area {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,.15);
}
.print-brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.print-subtitle {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--green-700);
  font-weight: 700;
}
.print-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #111827;
  line-height: 1.2;
}
.print-muted {
  color: var(--gray-500);
  font-size: .9rem;
}
.print-badge {
  background: linear-gradient(135deg, var(--green-50), var(--teal-50));
  color: var(--green-700);
  border: 1px solid var(--green-100);
  padding: .6rem .9rem;
  border-radius: .75rem;
  text-align: right;
  font-weight: 700;
  min-width: 150px;
}
.print-small {
  display: block;
  font-size: .75rem;
  color: var(--gray-500);
  font-weight: 600;
}
.print-label {
  font-size: .75rem;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.print-value {
  font-size: 1rem;
  font-weight: 700;
  color: #111827;
}
.print-chip {
  display: inline-block;
  padding: 2px 8px;
  background: var(--green-50);
  color: var(--green-700);
  border: 1px solid var(--green-100);
  border-radius: 999px;
  font-size: .75rem;
}
.print-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .75rem;
  margin: 1rem 0;
}
.print-table {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
}
.print-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .55rem .8rem;
  border-bottom: 1px dashed var(--gray-200);
  font-size: .95rem;
}
.print-row:last-child {
  border-bottom: none;
}
.print-strong {
  font-weight: 700;
}
.print-total {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.print-highlight {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--green-700);
}
.print-grand-box {
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  border-radius: 12px;
  padding: .85rem 1rem;
  min-width: 220px;
  text-align: right;
}
.print-grand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #111827;
}
.print-signatures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.print-line {
  border-bottom: 1px dashed var(--gray-300);
  padding-top: 1.6rem;
}
.print-footer-note {
  margin-top: .75rem;
  font-size: .78rem;
  color: var(--gray-500);
  text-align: right;
}
.print-receipt {
  font-family: "Courier New", monospace;
  background: #fff;
  border: 1px dashed var(--gray-300);
  border-radius: 10px;
  padding: .75rem 1rem;
  font-size: 12px;
  margin-bottom: 1rem;
  white-space: pre-wrap;
}
.fully-hidden {
  display: none !important;
}
.print-hide {
  /* visible on screen, hidden on print */
}

/* Print styles */
@media print {
  .no-print { 
    display:none !important; 
  }
  main { 
    padding-bottom:0; 
  }
  .card { 
    box-shadow: none; 
    border: 1px solid var(--gray-200); 
  }
  .print-area {
    box-shadow: none;
    max-width: 210mm;
    width: 100%;
    margin: 0 auto;
    page-break-inside: avoid;
  }
  .print-hide {
    display: none !important;
  }
  .print-grand-box {
    background: #eef2ff;
    border-color: #c7d2fe;
  }
  
  /* Print-only styles */
  .print-only {
    display: block !important;
  }
  
  /* Improve print appearance */
  body {
    font-size: 12px;
    color: #000;
    background: #fff;
  }
  
  /* Ensure proper spacing for print */
  .border-dashed {
    border-style: dashed !important;
  }
  
  .font-semibold {
    font-weight: 600;
  }
  
  .font-bold {
    font-weight: 700;
  }
}

/* Dark mode support (lightened to off-white) */
@media (prefers-color-scheme: dark) {
  body {
    background: var(--gray-50);
    color: #111827;
  }
  .card {
    background: #ffffff;
    border: 1px solid var(--gray-200);
  }
  .card-header {
    background: var(--gray-50);
    border-color: var(--gray-200);
  }
  .form-input, .form-select, .form-textarea {
    background: #ffffff;
    border-color: var(--gray-300);
    color: #111827;
  }
  .table-head {
    background: var(--gray-50);
  }
  .table-header-cell {
    color: var(--gray-500);
  }
  .table-body {
    background: #ffffff;
  }
  .table-cell {
    color: var(--gray-500);
  }
  .alert-danger {
    background: var(--red-50);
    color: #991b1b;
    border-color: var(--red-100);
  }
  .alert-success {
    background: var(--green-50);
    color: var(--green-700);
    border-color: var(--green-100);
  }
  .form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 4px rgba(59,130,246,.15);
  }
}

/* Gradient backgrounds for POS */
.bg-gradient-to-r.from-blue-50.to-indigo-50 {
  background: linear-gradient(to right, var(--blue-50), var(--indigo-50));
}

.bg-gradient-to-r.from-green-50.to-teal-50 {
  background: linear-gradient(to right, var(--green-50), var(--teal-50));
}

/* Enhanced shadow classes */
.shadow-lg {
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Sticky positioning for POS sidebar */
.sticky {
  position: sticky;
}

.top-4 {
  top: 1rem;
}

/* Print only elements */
.print-only {
  display: none;
}