/* ============================================================
   SEATING — Classroom grid, seat cells, grade badges
   ============================================================ */

.seating-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Toolbar above grid */
.seating-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4) var(--space-2);
  flex-shrink: 0;
  background: var(--color-bg);
}
.seating-toolbar-left {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.display-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  touch-action: manipulation;
  transition: background .15s;
}
.display-toggle:active { background: var(--color-primary-light); }
.display-toggle.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.display-toggle.active svg { color: white; }
.display-toggle svg { color: var(--color-primary); }

/* Teacher's desk indicator */
.teachers-desk {
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}
.teachers-desk-bar {
  height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  margin: 4px 16px 0;
  opacity: .35;
}

/* Grid container */
.seating-grid-container {
  flex: 1;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-3) var(--space-3) var(--space-4);
}

.seating-grid {
  display: grid;
  gap: 7px;
  width: 100%;
  /* grid-template-columns set via JS */
}

/* Individual seat */
.seat-cell {
  aspect-ratio: 1 / 1.15;
  min-height: 52px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* clamp: auf Tablet max 12px, Mobilgerät skaliert mit Breite des app-containers */
  font-size: clamp(8px, 1.8vw, 12px);
  touch-action: manipulation;
  cursor: pointer;
  position: relative;
  transition: background .12s, border-color .12s, transform .1s;
  overflow: hidden;
  padding: 2px;
  -webkit-user-select: none;
  user-select: none;
}
.seat-cell:active { transform: scale(.93); }

/* Occupied seat */
.seat-cell.occupied {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Empty seat */
.seat-cell.empty {
  border-style: dashed;
  color: var(--color-border);
}
.seat-cell.empty:active { background: var(--color-bg); }

/* Student name in seat */
.seat-name {
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
  color: var(--color-text);
  width: 100%;
  padding: 0 2px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

/* Grade badge on seat */
.seat-grade-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Plus icon for empty seats */
.seat-plus {
  font-size: 18px;
  font-weight: 300;
  color: var(--color-border);
}

/* Last grade indicator (small dot at bottom) */
.seat-last-grade {
  position: absolute;
  bottom: 3px;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

/* Tablet: Sitzplan-Grid braucht kein volles Viewport-Width mehr */
@media (min-width: 768px) {
  .seat-cell {
    min-height: 60px;   /* etwas größer auf Tablet = leichter tippbar */
    font-size: 12px;
  }

  .seating-grid {
    gap: 8px;
  }
}

/* ---- Seating legend ---- */
.seating-legend {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  flex-shrink: 0;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 11px;
  color: var(--color-text-secondary);
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}