/* Fonts & Core Variables */
:root {
  --primary-navy: #1e3a8a;
  --primary-blue: #2563eb;
  --accent-gold: #f59e0b;
}

body {
  font-family: 'Sarabun', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.font-prompt {
  font-family: 'Prompt', 'Sarabun', sans-serif;
}

.font-sarabun {
  font-family: 'Sarabun', sans-serif;
}

/* Tab button styles */
.tab-btn {
  color: #93c5fd;
  white-space: nowrap;
}

.tab-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
}

.tab-btn.active {
  background-color: #ffffff;
  color: #1e3a8a;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Subtle custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Card hover animation */
.duty-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.duty-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

/* ===================================================
   PRINT STYLES (@media print)
   Optimized for A4 Military/Official Duty Roster Sheet
   =================================================== */
@media print {
  /* Hide UI elements, headers, navigation, buttons, and modals */
  header,
  footer,
  nav,
  .control-panel,
  button,
  .no-print,
  #importModal,
  #editStudentModal,
  #toast {
    display: none !important;
  }

  body {
    background-color: #ffffff !important;
    color: #000000 !important;
    font-size: 13pt !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  main {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* Make sure background colors and borders print clearly */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-header {
    display: block !important;
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 2px solid #000000;
    padding-bottom: 10px;
  }

  .print-footer {
    display: flex !important;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    page-break-inside: avoid;
  }

  .print-table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin-top: 15px !important;
  }

  .print-table th,
  .print-table td {
    border: 1px solid #333333 !important;
    padding: 8px 10px !important;
  }

  .print-table th {
    background-color: #f1f5f9 !important;
    font-weight: bold !important;
  }

  /* Ensure page breaks don't cut cards in half */
  .page-break-avoid {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

.print-header,
.print-footer {
  display: none;
}