/* Tablets (768px ou menos) */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .kanban-container {
    max-width: 100%;
  }

  .kanban-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .header-controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .header-controls select {
    width: 100%;
  }

  .header-buttons {
    width: 100%;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .add-card-btn,
  .settings-btn,
  .add-responsible-btn,
  .dark-mode-btn {
    padding: 8px 12px;
    font-size: 14px;
    flex: 1;
    text-align: center;
  }

  .kanban-board {
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
    gap: 10px;
  }

  .kanban-column {
    width: 100%;
    min-height: auto;
  }

  .card-container {
    max-height: 300px;
  }

  .modal-content {
    width: 90%;
    padding: 15px;
  }

  .modal-content h2 {
    font-size: 16px;
  }

  .modal-content p {
    font-size: 13px;
  }

  .modal-content input,
  .modal-content textarea,
  .modal-content select {
    padding: 8px;
    font-size: 13px;
  }

  .modal-content button {
    padding: 8px;
    font-size: 13px;
  }

  .modal-content .edit-buttons button,
  .modal-content .confirm-buttons button {
    padding: 8px;
    height: 38px;
    line-height: 38px;
  }
}

/* Celulares (480px ou menos) */
@media (max-width: 480px) {
  body {
    padding: 5px;
  }

  .kanban-header h1 {
    font-size: 20px;
  }

  .header-controls select {
    padding: 6px;
    font-size: 13px;
  }

  .add-card-btn,
  .settings-btn,
  .add-responsible-btn,
  .dark-mode-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .kanban-column {
    padding: 10px;
  }

  .kanban-column h2 {
    font-size: 15px;
    padding: 8px;
  }

  .kanban-card {
    padding: 10px;
  }

  .kanban-card h3 {
    font-size: 14px;
  }

  .kanban-card p {
    font-size: 12px;
  }

  .kanban-card .due-date {
    font-size: 11px;
  }

  .modal-content {
    width: 95%;
    padding: 10px;
  }

  .modal-content h2 {
    font-size: 14px;
  }

  .modal-content p {
    font-size: 12px;
  }

  .modal-content input,
  .modal-content textarea,
  .modal-content select {
    padding: 6px;
    font-size: 12px;
  }

  .modal-content button {
    padding: 6px;
    font-size: 12px;
  }

  .modal-content .edit-buttons,
  .modal-content .confirm-buttons {
    flex-direction: column;
    gap: 8px;
  }

  .modal-content .edit-buttons button,
  .modal-content .confirm-buttons button {
    width: 100%;
    padding: 6px;
    height: 36px;
    line-height: 36px;
  }
}

@media (max-width: 600px) {
  .color-pair {
    flex-direction: column;
    gap: 12px;
  }

  .data-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .data-buttons button {
    width: 100%;
  }
}