/* Responsive breakpoints for main layout structure */

@media (max-width: 1280px) {
  #sidebar {
    width: 50px;
    min-width: 50px;
    max-width: 50px;
  }
  #sidebar hr {
    width: 80%;
  }
  .left_area {
    width: 160px;
    min-width: 160px;
    max-width: 160px;
  }
  #layer-panel {
    max-width: 15%;
    flex: 0 0 17%;
  }
  #controls {
    max-width: 18%;
  }
  .navbar-logo-text {
    width: 50px;
    font-size: 11px;
  }
}

@media (max-width: 1024px) {
  #sidebar {
    width: 40px;
    min-width: 40px;
    max-width: 40px;
    padding: 4px 0;
  }
  #sidebar hr {
    width: 90%;
    margin: -6px 0;
  }
  #sidebar i {
    font-size: 20px;
    padding: 5px;
    margin-bottom: 6px;
  }
  .icon-label {
    display: none;
  }
  .icon-wrapper {
    margin: 0;
  }
  .left_area {
    width: 140px;
    min-width: 140px;
    max-width: 140px;
  }
  #layer-panel {
    max-width: 13%;
    flex: 0 0 15%;
  }
  #controls {
    max-width: 16%;
    min-width: 200px;
  }
  .navbar-logo-text {
    width: 40px;
    font-size: 10px;
  }
  .navbar-logo-ver {
    display: none;
  }
}

@media (max-width: 768px) {
  #sidebar {
    width: 36px;
    min-width: 36px;
    max-width: 36px;
    padding: 2px 0;
  }
  #sidebar hr {
    margin: -4px 0;
  }
  #sidebar i {
    font-size: 18px;
    padding: 4px;
    margin-bottom: 4px;
  }
  .left_area {
    position: absolute;
    left: 36px;
    top: 0;
    z-index: var(--z-sidebar);
    width: 180px;
    min-width: 180px;
    max-width: 180px;
    height: 100%;
    max-height: 100%;
    background: var(--background-color-A);
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
  }
  #layer-panel {
    max-width: 36px;
    min-width: 36px;
    flex: 0 0 36px;
    overflow: hidden;
  }
  #layer-panel > .area-header label,
  #layer-panel > .area-header button {
    display: none;
  }
  #layer-panel > .area-header {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 4px 2px;
    font-size: 10px;
  }
  #controls {
    display: none;
  }
  .navbar-logo-text {
    width: 36px;
    font-size: 9px;
  }
  .navbar-logo-ver {
    display: none;
  }
  #canvas-area {
    min-width: 300px;
  }
}