/* styles.css - Medical Slate Theme with Light/Dark Mode and Custom Print Layout */

@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Mode Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --border-hover: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --primary-color: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  
  --success-color: #10b981;
  --success-light: #ecfdf5;
  --success-border: #a7f3d0;
  
  --warning-color: #f59e0b;
  --warning-light: #fffbeb;
  --warning-border: #fde68a;
  
  --danger-color: #ef4444;
  --danger-light: #fef2f2;
  --danger-border: #fca5a5;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Dark Mode Variables */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #1e293b;
  --border-color: #334155;
  --border-hover: #475569;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --primary-color: #38bdf8;
  --primary-hover: #7dd3fc;
  --primary-light: #0c4a6e;
  
  --success-color: #34d399;
  --success-light: #064e3b;
  --success-border: #047857;
  
  --warning-color: #fbbf24;
  --warning-light: #78350f;
  --warning-border: #b45309;
  
  --danger-color: #f87171;
  --danger-light: #7f1d1d;
  --danger-border: #b91c1c;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Prompt', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color 0.3s, color 0.3s;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* App Header & Navigation */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.3s, border-color 0.3s;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  color: white;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.5rem;
  box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.logo-text span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Navigation Tabs */
.nav-tabs {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  scrollbar-width: none;
}

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

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.tab-btn.active {
  color: var(--primary-color);
  font-weight: 600;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 3px 3px 0 0;
}

/* App Container */
main.app-container {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

.tab-content {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  border: none;
}

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

.btn-success {
  background-color: var(--success-color);
  color: white;
  border: none;
}

.btn-success:hover {
  filter: brightness(0.9);
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
  border: none;
}

.btn-danger:hover {
  filter: brightness(0.9);
}

.btn-icon-only {
  padding: 0.5rem;
  border-radius: 50%;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-tertiary);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

/* Dashboard Styling */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.total { background-color: var(--primary-light); color: var(--primary-color); }
.stat-icon.low { background-color: var(--warning-light); color: var(--warning-color); }
.stat-icon.near { background-color: #fef3c7; color: #d97706; } /* Darker Amber */
.stat-icon.expired { background-color: var(--danger-light); color: var(--danger-color); }

.stat-details h3 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-details .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-top: 0.25rem;
}

.stat-details .unit {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 0.25rem;
}

/* Dashboard Alerts List */
.dashboard-sections {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 1024px) {
  .dashboard-sections {
    grid-template-columns: 1fr;
  }
}

.dashboard-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.panel-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Alert Item Row */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 400px;
  overflow-y: auto;
}

.alert-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid transparent;
  background-color: var(--bg-tertiary);
  transition: var(--transition);
}

.alert-item.danger {
  border-left-color: var(--danger-color);
  background-color: var(--danger-light);
}

.alert-item.warning {
  border-left-color: var(--warning-color);
  background-color: var(--warning-light);
}

.alert-item-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.alert-item-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.alert-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
}

.alert-badge.danger {
  background-color: var(--danger-color);
  color: white;
}

.alert-badge.warning {
  background-color: var(--warning-color);
  color: white;
}

/* Charts and summary graphics */
.chart-container {
  height: 250px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Reagent List Grid & Table */
.controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  flex: 1;
  max-width: 450px;
  min-width: 250px;
}

.search-input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon-svg {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  fill: var(--text-muted);
  width: 16px;
  height: 16px;
}

.filter-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:focus {
  border-color: var(--primary-color);
}

/* Table Design */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table th, .data-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.5px;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background-color: var(--bg-tertiary);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Status light/indicators */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-pill.success { background-color: var(--success-light); color: var(--success-color); border: 1px solid var(--success-border); }
.status-pill.warning { background-color: var(--warning-light); color: var(--warning-color); border: 1px solid var(--warning-border); }
.status-pill.danger { background-color: var(--danger-light); color: var(--danger-color); border: 1px solid var(--danger-border); }

/* Reagent detail collapse card */
.lots-detail-table {
  width: 100%;
  margin: 0.5rem 0;
  border-collapse: collapse;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.lots-detail-table th, .lots-detail-table td {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
}

.lots-detail-table th {
  background-color: var(--border-color);
  font-weight: 500;
}

/* Modal Form styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-content {
  background-color: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  background-color: var(--bg-secondary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--bg-tertiary);
}

/* Print View Formatting */
#print-section {
  display: none;
}

@media print {
  /* Hide standard headers, footers, tabs and controls */
  header, .nav-tabs, .controls-row, .btn, .theme-toggle-btn, main.app-container > div:not(#print-section) {
    display: none !important;
  }
  
  body {
    background-color: white !important;
    color: black !important;
    font-size: 12pt;
    padding: 0;
    margin: 0;
  }

  main.app-container {
    padding: 0;
    margin: 0;
    max-width: 100%;
  }

  #print-section {
    display: block !important;
    padding: 20px;
    background-color: white;
  }

  .print-header {
    text-align: center;
    margin-bottom: 25px;
    border-bottom: 2px double #000;
    padding-bottom: 10px;
  }

  .print-header h1 {
    font-size: 18pt;
    margin: 0;
    font-weight: bold;
    color: black;
  }

  .print-header p {
    font-size: 10pt;
    color: #444;
    margin: 5px 0 0 0;
  }

  table.print-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 10pt;
  }

  table.print-table th, table.print-table td {
    border: 1px solid black !important;
    padding: 6px 8px;
    text-align: left;
    color: black !important;
    background-color: transparent !important;
  }

  table.print-table th {
    font-weight: bold;
    text-align: center;
    background-color: #f2f2f2 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  table.print-table td.num {
    text-align: right;
  }

  .print-summary {
    margin-top: 20px;
    text-align: right;
    font-weight: bold;
    font-size: 11pt;
  }

  .print-footer {
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
    font-size: 10pt;
  }

  .print-signature {
    text-align: center;
    width: 250px;
    border-top: 1px solid black;
    margin-top: 40px;
    padding-top: 5px;
  }
}

/* Footer style */
footer.app-footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
  background-color: var(--bg-secondary);
  margin-top: auto;
  transition: background-color 0.3s, border-color 0.3s;
}

/* History logs design */
.tx-log-type {
  font-weight: bold;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  display: inline-block;
  text-align: center;
  min-width: 55px;
}

.tx-log-type.in {
  background-color: var(--success-light);
  color: var(--success-color);
  border: 1px solid var(--success-border);
}

.tx-log-type.out {
  background-color: var(--danger-light);
  color: var(--danger-color);
  border: 1px solid var(--danger-border);
}

/* Reagent Lot Details collapsible styles */
.reagent-row-summary {
  cursor: pointer;
}

.nested-detail-row {
  background-color: var(--bg-primary);
}

.nested-detail-container {
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--primary-color);
}

.nested-detail-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

/* Lot select inside Stock Out form */
.lot-select-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  background-color: var(--bg-tertiary);
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lot-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.lot-option:hover {
  border-color: var(--primary-color);
}

.lot-option.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
  color: var(--text-primary);
}

.lot-option.recommended {
  position: relative;
}

.lot-option.recommended::after {
  content: 'แนะนำ FEFO';
  position: absolute;
  top: -8px;
  right: 10px;
  font-size: 0.65rem;
  background-color: var(--success-color);
  color: white;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: bold;
}

/* Staff badge styling */
.staff-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.staff-badge:hover {
  border-color: var(--border-hover);
}

.staff-badge button {
  background: none;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

.staff-badge button:hover {
  color: #b91c1c;
  transform: scale(1.2);
}

/* Excel/CSV Import styling */
.import-badge {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
}
.import-badge.success {
  background-color: var(--success-light);
  color: var(--success-color);
  border: 1px solid var(--success-border);
}
.import-badge.warning {
  background-color: var(--warning-light);
  color: var(--warning-color);
  border: 1px solid var(--warning-border);
}
.import-badge.danger {
  background-color: var(--danger-light);
  color: var(--danger-color);
  border: 1px solid var(--danger-border);
}

.import-row-error {
  background-color: #fef2f2 !important;
}
.import-row-warn {
  background-color: #fffbeb !important;
}

[data-theme="dark"] .import-row-error {
  background-color: #450a0a !important;
}
[data-theme="dark"] .import-row-warn {
  background-color: #451a03 !important;
}