/* Iranian plate segmented input — mirrored from Core/Student_panel.html */
.plate-input-ir {
  display: flex; align-items: stretch; direction: ltr;
  background: #fff; color: #111; border: 3px solid #111;
  border-radius: 8px; overflow: visible;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
  max-width: 100%;
  min-height: 56px;
}
.plate-input-ir .plate-strip {
  background: #003399; color: #fff;
  padding: 8px 6px; min-width: 34px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 8px; font-weight: 700; line-height: 1.15; flex-shrink: 0;
  border-radius: 5px 0 0 5px;
}
.plate-input-ir .plate-strip .flag {
  display: flex; flex-direction: column; width: 22px; height: 12px;
  margin-bottom: 4px; border: 1px solid rgba(255,255,255,.35);
}
.plate-input-ir .plate-strip .flag span { flex: 1; }
.plate-input-ir .plate-strip .flag .g { background: #239F40; }
.plate-input-ir .plate-strip .flag .w { background: #fff; }
.plate-input-ir .plate-strip .flag .r { background: #DA0000; }
.plate-input-cells {
  flex: 1; display: flex; align-items: center; justify-content: center;
  gap: 4px; padding: 10px 8px; flex-wrap: nowrap; min-width: 0;
}
.plate-cell {
  box-sizing: border-box;
  width: 34px; height: 44px;
  border: 2px solid #ccc; border-radius: 4px;
  background: #f8f8f8; color: #111;
  font-family: inherit; font-size: 18px; font-weight: 800;
  line-height: 1; text-align: center; padding: 0;
  flex-shrink: 0;
  overflow: visible;
}
.plate-cell:focus {
  outline: none; border-color: #059669;
  box-shadow: 0 0 0 2px rgba(5,150,105,.35);
  background: #fff;
}
.plate-cell.filled { border-color: #059669; background: #fff; }
.plate-cell.plate-letter {
  width: 42px; height: 44px; font-size: 16px; cursor: pointer;
  background: #e8f5ee; border-color: #059669; color: #065f46;
}
.plate-cell.plate-letter.empty {
  color: #999; background: #f0f0f0; border-color: #ccc; font-size: 11px;
}
.plate-sep { color: #666; font-size: 22px; padding: 0 2px; user-select: none; flex-shrink: 0; }
.plate-gap { width: 4px; flex-shrink: 0; }
.letter-picker-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.45); align-items: center; justify-content: center;
  padding: 16px;
}
.letter-picker-overlay.show { display: flex; }
.letter-picker-sheet {
  width: 100%; max-width: 420px;
  background: #fff; border-radius: 14px; padding: 1rem;
  border: 1px solid #d7dde5;
}
.letter-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.4rem; margin-top: 0.6rem;
}
.letter-grid button {
  font: inherit; font-weight: 700; padding: 0.55rem;
  border: 1px solid #d7dde5; border-radius: 8px; background: #f8fafc; cursor: pointer;
}
.letter-grid button:hover { background: #e8f5ee; border-color: #059669; }
.jalali-date-input {
  font: inherit; padding: 0.55rem 0.7rem; border-radius: 10px;
  border: 1px solid #d7dde5; background: #fff; direction: ltr; text-align: center;
  min-width: 8.5rem; cursor: pointer;
}

@media (max-width: 860px) {
  .plate-input-ir {
    min-height: 48px;
    border-width: 2px;
  }
  .plate-input-ir .plate-strip {
    min-width: 28px;
    padding: 6px 4px;
    font-size: 7px;
  }
  .plate-input-cells {
    gap: 2px;
    padding: 6px 4px;
  }
  .plate-cell {
    width: 28px;
    height: 38px;
    font-size: 15px;
  }
  .plate-cell.plate-letter {
    width: 36px;
    height: 38px;
    font-size: 14px;
  }
  .plate-sep { font-size: 18px; }
  .letter-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  .letter-grid button {
    min-height: 44px;
  }
}

@media (max-width: 400px) {
  .plate-cell {
    width: 24px;
    height: 34px;
    font-size: 13px;
    border-width: 1.5px;
  }
  .plate-cell.plate-letter {
    width: 30px;
    height: 34px;
    font-size: 12px;
  }
  .plate-gap { width: 2px; }
}