/* ============================================================
   timetable.css — Timetable Grid, Cells, & Responsive Layout
   ============================================================ */

/* --- Timetable Header Bar --- */
.timetable-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.timetable-info .step-title {
  text-align: start;
}

.selection-summary {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  font-weight: 400;
}

.timetable-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* --- Timetable Step Container (full-width) --- */
#step-timetable {
  max-width: 1100px;
}

/* --- Timetable Grid Wrapper --- */
.timetable-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: var(--clr-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-card);
}

/* --- Table --- */
.timetable {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

/* --- Table Header --- */
.timetable thead th {
  padding: 1rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-accent);
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--clr-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

.timetable thead th:first-child {
  color: var(--clr-text-muted);
  font-size: 0.8rem;
  width: 90px;
}

/* --- Table Body Cells --- */
.timetable tbody td {
  padding: 0.6rem;
  border: 1px solid var(--clr-border);
  vertical-align: top;
  text-align: center;
  min-height: 80px;
  height: 80px;
}

.timetable tbody td:first-child,
.timetable tbody td.day-cell {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-accent);
  background: rgba(108, 92, 231, 0.06);
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
  width: 90px;
  letter-spacing: 0.02em;
}

/* --- Cell Content (Subject Card) --- */
.cell-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.5rem 0.4rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

/* Color-coded subject types */
.cell-content.type-lecture {
  background: rgba(108, 92, 231, 0.12);
  border-right: 3px solid var(--clr-primary);
}

.cell-content.type-lab,
.cell-content.type-section {
  background: rgba(0, 206, 201, 0.12);
  border-right: 3px solid var(--clr-accent);
}

.cell-subject {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-text-heading);
  line-height: 1.3;
}

.cell-detail {
  font-size: 0.7rem;
  color: var(--clr-text-muted);
  line-height: 1.4;
}

.cell-detail .detail-icon {
  margin-left: 0.2rem;
  opacity: 0.7;
}

/* --- Empty Cell --- */
.cell-empty {
  color: rgba(255, 255, 255, 0.06);
  font-size: 1.2rem;
}

/* --- Legend --- */
.timetable-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--clr-text-muted);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.legend-dot.lecture {
  background: var(--clr-primary);
}
.legend-dot.lab {
  background: var(--clr-accent);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .timetable-header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .timetable-actions {
    justify-content: center;
  }

  .timetable-info .step-title {
    text-align: center;
  }
}

/* --- Print settings --- */
@media print {
  /* Hide non-essential UI */
  .timetable-header,
  .bg-blobs {
    display: none !important;
  }

  /* Reset page for landscape printing */
  @page {
    size: landscape;
    margin: 10mm;
  }

  /* Remove dark theme — force white background */
  body {
    background: #fff !important;
    color: #111 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  /* Remove glassmorphism / shadows from container */
  .timetable-container {
    background: #fff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }

  /* Let table fill the page */
  .timetable {
    min-width: unset !important;
    width: 100% !important;
    border: 2px solid #333 !important;
    border-collapse: collapse !important;
  }

  /* Header cells — solid background, visible borders */
  .timetable thead th {
    background: #6c5ce7 !important;
    color: #fff !important;
    border: 1.5px solid #444 !important;
    padding: 8px 6px !important;
    font-size: 11pt !important;
    position: static !important; /* remove sticky for print */
  }

  .timetable thead th:first-child {
    color: #fff !important;
    font-size: 11pt !important;
  }

  /* Body cells — clear visible borders */
  .timetable tbody td {
    border: 1px solid #999 !important;
    padding: 6px !important;
    color: #111 !important;
    height: auto !important;
    min-height: unset !important;
  }

  /* Day name column — subtle highlight */
  .timetable tbody td:first-child,
  .timetable tbody td.day-cell {
    background: #f0eeff !important;
    color: #333 !important;
    font-weight: 800 !important;
    font-size: 11pt !important;
    border: 1.5px solid #444 !important;
  }

  /* Cell content — remove transparency, use solid print-safe colors */
  .cell-content {
    border-radius: 4px !important;
    padding: 4px !important;
  }

  .cell-content.type-lecture {
    background: #f0eeff !important;
    border-right: 3px solid #6c5ce7 !important;
  }

  .cell-content.type-lab,
  .cell-content.type-section {
    background: #e6fffe !important;
    border-right: 3px solid #00cec9 !important;
  }

  /* Text — force readable dark colors */
  .cell-subject {
    color: #111 !important;
    font-size: 9pt !important;
  }

  .cell-detail {
    color: #444 !important;
    font-size: 8pt !important;
  }

  /* Empty cell dash — visible gray */
  .cell-empty {
    color: #ccc !important;
  }

  /* Legend — keep visible with print colors */
  .timetable-legend {
    margin-top: 8px !important;
  }

  .legend-item {
    color: #444 !important;
  }

  .legend-dot.lecture {
    background: #6c5ce7 !important;
  }

  .legend-dot.lab {
    background: #00cec9 !important;
  }

  /* Prevent table rows from breaking across pages */
  .timetable tr {
    page-break-inside: avoid;
  }
}