/* CSS Variables & Theme Setup */
:root {
  --primary: #f26130;
  --primary-dark: #c2451c;
  --primary-light: #fdeae0;
  --bg: #f8f6f4;
  --card: #ffffff;
  --border: #e8e3df;
  --text: #2a201b;
  --muted: #7a6f68;
  --red: #c0392b;
  --green: #27ae60;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 30px rgba(242, 97, 48, 0.12);
  --border-radius: 12px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles & Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  direction: rtl;
  text-align: right;
  padding-bottom: 120px; /* Safe space for footer bar */
}

/* RTL / LTR direction overrides */
html[dir="ltr"] body {
  direction: ltr;
  text-align: left;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text);
}

/* Header styling */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 12px 16px;
}

header .container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

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

header .logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

header .brand-text h1 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
}

header .brand-text .sub {
  font-size: 11px;
  color: var(--primary);
  font-weight: 700;
}

header .actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Language Switcher */
.lang-selector {
  position: relative;
}

.lang-btn {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  width: 38px;
  height: 38px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: var(--transition);
}

.lang-btn:hover, .lang-btn:active {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.lang-menu {
  position: absolute;
  top: 44px;
  left: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  width: 140px;
  display: none;
  z-index: 110;
  overflow: hidden;
  animation: slideDown 0.15s ease;
}

html[dir="rtl"] .lang-menu {
  left: auto;
  right: 0;
}

.lang-menu.show {
  display: block;
}

.lang-option {
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 13.5px;
  text-align: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  transition: var(--transition);
}

.lang-option:hover {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

/* Date and Time Header display */
.date-time-display {
  display: flex;
  gap: 8px;
}

.dt-box {
  background: var(--primary-light);
  border: 1px solid rgba(242, 97, 48, 0.2);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.dt-box input {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  outline: none;
  width: 50px;
  text-align: center;
}

/* System sync management controls */
.sync-controls {
  display: flex;
  gap: 6px;
}

.icon-btn {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
}

.icon-btn:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

/* Main Container styling */
main {
  max-width: 1200px;
  margin: 16px auto;
  padding: 0 12px;
}

/* Card Styling */
.card {
  background-color: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.04);
}

.card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title.required::after,
th[data-i18n="col_item_name"]::after,
th[data-i18n="col_quantity"]::after,
th[data-i18n="col_unit"]::after,
th[data-i18n="col_unit_package"]::after,
th[data-i18n="col_supplier"]::after {
  content: " *";
  color: var(--red);
}

/* Mobile usability improvements */
@media (max-width: 767px) {
  .form-group input, 
  .form-group textarea, 
  .form-group select, 
  td input, 
  td select, 
  .search-input-field {
    font-size: 16px !important; /* Prevents iOS auto-zoom on focus */
  }
  
  header {
    padding: 8px 12px;
  }

  header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  header .brand {
    order: 1;
    gap: 8px;
  }

  header .logo {
    height: 34px;
  }

  header .brand-text h1 {
    font-size: 13.5px;
  }

  header .brand-text .sub {
    font-size: 9.5px;
  }

  header .actions {
    display: contents; /* allows children to be direct flex items of container */
  }

  .lang-selector {
    order: 2;
    position: relative;
  }

  .sync-controls {
    order: 3;
    gap: 4px;
  }

  .lang-btn, .icon-btn {
    height: 36px !important;
    width: 36px !important;
    font-size: 15px !important;
    padding: 0 !important;
    border-radius: 6px !important;
  }

  .lang-menu {
    top: 40px;
  }

  .date-time-display {
    order: 4;
    width: 100%;
    margin-top: 4px;
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--border);
    padding-top: 6px;
  }

  .dt-box {
    flex: 1;
    justify-content: center;
    height: 30px;
    padding: 0 8px;
    font-size: 11px;
    border-radius: 6px;
  }

  .dt-box input {
    font-size: 11px;
    width: 45px;
    height: 100%;
  }
  
  .btn-primary, .btn-secondary {
    min-height: 44px; /* Slightly more compact touch target */
  }
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

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

.form-group label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
}

.form-group.required label::after {
  content: " *";
  color: var(--red);
}

.form-group input, .form-group textarea, .form-group select {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background-color: #faf9f8;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(242, 97, 48, 0.15);
}

.form-group input[readonly] {
  background-color: #f1ede9;
  color: var(--muted);
  cursor: not-allowed;
  border-color: var(--border);
}

/* Table styling for Goods Table */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: right;
  min-width: 800px;
}

html[dir="ltr"] table {
  text-align: left;
}

th {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12.5px;
  font-weight: 800;
  padding: 12px 10px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) {
  background-color: #fcfbfa;
}

/* Inputs within table */
td input, td select {
  width: 100%;
  border: 1.2px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  font-size: 13.5px;
  font-family: inherit;
  background-color: #faf9f8;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

td input:focus, td select:focus {
  border-color: var(--primary);
  background-color: #ffffff;
}

/* Searchable dropdown container inside Table Cell */
.searchable-select-container {
  position: relative;
}

.search-input-field {
  padding-inline-end: 28px;
}

.dropdown-icon {
  position: absolute;
  inset-inline-end: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 10px;
  color: var(--muted);
}

.search-results-list {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline-start: 0;
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 90;
  display: none;
}

.search-results-list.show {
  display: block;
}

.search-item-option {
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  border-bottom: 1px solid #f6f4f2;
  transition: var(--transition);
}

.search-item-option:last-child {
  border-bottom: none;
}

.search-item-option:hover, .search-item-option.selected {
  background-color: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 700;
}

/* Row deletion action button */
.delete-row-btn {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.delete-row-btn:hover {
  background-color: #fbeee0;
  color: #c0392b;
}

/* Table utility buttons */
.table-actions {
  display: flex;
  justify-content: flex-start;
  margin-top: 10px;
}

.btn-secondary {
  background-color: var(--card);
  border: 1.5px dashed var(--primary);
  color: var(--primary-dark);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  border-style: solid;
}

/* Signature Pad container styles */
.signature-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.signature-pad-wrapper {
  width: 100%;
  max-width: 480px;
  height: 180px;
  border: 1.5px solid var(--border);
  background-color: #faf9f8;
  border-radius: var(--border-radius);
  position: relative;
  overflow: hidden;
  touch-action: none;
}

.signature-pad-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.sig-actions {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 480px;
  justify-content: flex-end;
}

.btn-sig-clear {
  background: var(--card);
  border: 1.5px solid #f0c4c0;
  color: var(--red);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-sig-clear:hover {
  background-color: #fdf2f0;
}

/* General Buttons */
.btn-primary {
  background-color: var(--primary);
  border: none;
  color: #ffffff;
  border-radius: 12px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(242, 97, 48, 0.3);
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(242, 97, 48, 0.4);
}

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

/* Footer control bar */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.05);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  z-index: 100;
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.footer-stats {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-stats span {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 800;
}

.footer-actions {
  display: flex;
  gap: 10px;
  flex: 1;
  justify-content: flex-end;
}

.btn-whatsapp {
  background-color: #25d366;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #1ebd56;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-reset {
  background-color: #ffffff;
  color: var(--red);
  border: 1.5px solid #f0c4c0;
  width: 44px;
  padding: 0;
}

.btn-reset:hover {
  background-color: #fdf2f0;
}

/* Modals & Dialogs */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(42, 32, 27, 0.55);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background-color: var(--card);
  border-radius: var(--border-radius);
  max-width: 450px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  animation: modalPop 0.25s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

@keyframes modalPop {
  from {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-header {
  background-color: var(--primary);
  color: #ffffff;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: #ffffff;
  font-size: 15.5px;
  font-weight: 800;
}

.modal-close-btn {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 18px;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  font-size: 14px;
}

.modal-body .meta-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.modal-body .meta-row:last-child {
  border-bottom: none;
}

.modal-body .meta-row span:first-child {
  color: var(--muted);
  font-weight: 700;
}

.modal-body .meta-row span:last-child {
  color: var(--text);
  font-weight: 800;
}

.modal-footer {
  padding: 12px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background-color: #faf9f8;
  border-top: 1px solid var(--border);
}

.btn-dialog {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-family: inherit;
}

.btn-dialog.confirm {
  background-color: var(--primary);
  border: none;
  color: #fff;
}

.btn-dialog.confirm:hover {
  background-color: var(--primary-dark);
}

.btn-dialog.cancel {
  background-color: #ffffff;
  border: 1.5px solid var(--border);
  color: var(--muted);
}

.btn-dialog.cancel:hover {
  background-color: #faf9f8;
}

/* Offline Banner warning alert */
.offline-banner {
  background-color: #e67e22;
  color: #ffffff;
  text-align: center;
  padding: 8px;
  font-size: 12.5px;
  font-weight: 800;
  display: none;
  z-index: 99;
}

.offline-banner.show {
  display: block;
}

/* Notification Toasts */
.toast-container {
  position: fixed;
  bottom: calc(140px + env(safe-area-inset-bottom));
  left: 20px;
  z-index: 250;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background-color: rgba(42, 32, 27, 0.95);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(20px);
  animation: toastFadeIn 0.25s forwards, toastFadeOut 0.25s 3.5s forwards;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

@keyframes toastFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toastFadeOut {
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

.toast.success {
  border-inline-start: 4px solid var(--green);
}

.toast.error {
  border-inline-start: 4px solid var(--red);
}

.toast.warning {
  border-inline-start: 4px solid #e67e22;
}

/* Responsive Overrides (Stacked Fields for Mobile Screens) */
@media (max-width: 767px) {
  table {
    min-width: 100%;
  }
  
  table, thead, tbody, th, td, tr {
    display: block;
  }
  
  thead {
    display: none; /* Hide header rows in mobile, layout is custom card */
  }
  
  tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    padding: 10px;
    background-color: var(--card);
    position: relative;
    box-shadow: var(--shadow);
  }
  
  td {
    border: none;
    padding: 6px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
    width: 100%;
  }

  html[dir="rtl"] td {
    text-align: right;
  }
  
  td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--muted);
    font-size: 11.5px;
    flex-shrink: 0;
    width: 35%;
  }
  
  td > * {
    flex-grow: 1;
    width: 65%;
  }

  td.row-action-cell {
    justify-content: flex-end;
    margin-top: 6px;
    border-top: 1px dashed var(--border);
    padding-top: 10px;
  }

  td.row-action-cell::before {
    display: none;
  }

  td.row-action-cell > * {
    width: auto;
    flex-grow: 0;
  }
  
  .footer-container {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .footer-stats {
    justify-content: center;
  }
}

/* Offline updates popup styling */
.update-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--card);
  border: 1.5px solid var(--primary);
  box-shadow: 0 8px 30px rgba(242, 97, 48, 0.15);
  border-radius: var(--border-radius);
  padding: 16px;
  max-width: 320px;
  z-index: 150;
  display: none;
  animation: slideUp 0.3s ease;
}

html[dir="ltr"] .update-popup {
  right: auto;
  left: 20px;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.update-popup.show {
  display: block;
}

.update-popup-body {
  font-size: 13.5px;
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--text);
}

.update-popup-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Offline PDF Template (A4 formatting print preview element) */
#pdf-template {
  display: none;
  width: 210mm;
  min-height: 297mm;
  padding: 20mm 15mm;
  background: #ffffff !important;
  color: #2a201b !important;
  font-size: 12px;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  opacity: 0;
  pointer-events: none;
  z-index: -9999;
  direction: rtl !important;
  text-align: right !important;
  font-family: 'Cairo', 'Outfit', 'Inter', sans-serif !important;
}

.pdf-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid #f26130;
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.pdf-logo {
  height: 64px;
  width: auto;
}

.pdf-title-block {
  text-align: right;
  flex: 1;
  margin-right: 18px;
}

.pdf-title-block h1 {
  font-size: 20px;
  color: #c2451c;
  font-weight: 800;
}

.pdf-title-block p {
  font-size: 13px;
  color: #7a6f68;
  font-weight: 700;
  margin-top: 2px;
}

.pdf-meta-table {
  width: 100%;
  margin-bottom: 24px;
  border-collapse: collapse;
}

.pdf-meta-table td {
  border: 1px solid #e8e3df;
  padding: 8px 12px;
  font-size: 12.5px;
  width: 50%;
  background-color: #faf9f8;
}

.pdf-meta-table td b {
  color: #c2451c;
}

.pdf-sec-title {
  font-size: 13.5px;
  font-weight: 800;
  color: #ffffff;
  background: #c2451c;
  padding: 8px 12px;
  border-radius: 6px 6px 0 0;
  margin-top: 18px;
}

.pdf-items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.pdf-items-table th {
  background-color: #7a3a1a;
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 6px;
  border: 1px solid #7a3a1a;
  text-align: center;
}

.pdf-items-table td {
  border: 1px solid #e8e3df;
  padding: 8px;
  font-size: 12px;
  text-align: center;
}

.pdf-items-table tr:nth-child(even) td {
  background-color: #fbf9f7;
}

.pdf-signature-block {
  display: flex;
  justify-content: flex-end;
  margin-top: 30px;
  page-break-inside: avoid;
}

.pdf-sig-box {
  width: 220px;
  border: 1px solid #e8e3df;
  border-radius: 8px;
  padding: 10px;
  text-align: center;
  background-color: #fcfbfa;
}

.pdf-sig-label {
  font-size: 12px;
  font-weight: 700;
  color: #7a6f68;
  margin-bottom: 6px;
}

.pdf-sig-image {
  width: 100%;
  height: 80px;
  object-fit: contain;
  border-bottom: 1px dashed #e8e3df;
  padding-bottom: 6px;
}

.pdf-footer {
  margin-top: 40px;
  border-top: 1px solid #e8e3df;
  padding-top: 12px;
  font-size: 10px;
  color: #7a6f68;
  text-align: center;
  font-weight: 700;
}