/* Mobile styles */
@media screen and (max-width: 768px) {
  body {
    padding: 10px;
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    width: 100%;
    height: 100%;
    overscroll-behavior: none;
    /* Предотвращаем проблему с высотой на iOS */
    min-height: -webkit-fill-available;
  }

  .window {
    padding: 15px;
    will-change: transform;
    transform: translateZ(0);
  }

  /* Оптимизация скроллинга для контейнеров */
  .params-area,
  #model-info,
  #setup_selection_list {
    -webkit-overflow-scrolling: touch;
    will-change: transform;
    transform: translateZ(0);
    overscroll-behavior: contain;
  }

  /* Оптимизация производительности для графика */
  #canvas-wrapper {
    height: 250px;
    margin: 10px 0;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    /* Предотвращаем проблему с размером на iOS */
    width: 100vw;
    max-width: 100%;
  }

  #graph {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    width: 100% !important;
    height: 100% !important;
  }

  /* Оптимизация для модальных окон */
  #setup_selection_window {
    width: 90%;
    max-height: 80vh;
    -webkit-overflow-scrolling: touch;
    will-change: transform;
    transform: translateZ(0);
  }

  .header {
    padding-right: 10px;
    padding-left: 10px;
  }

  .fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }

  .header-spacer {
    height: 140px; /* Большая высота для мобильных из-за переносов */
  }

  /* Fixed navigation elements for mobile */
  .sticky-buttons {
    position: sticky !important;
    top: 150px;
    z-index: 900;
  }
  
  #active-bar {
    position: sticky !important;
    top: 210px;
    z-index: 890;
  }

  .container_header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .nav-right {
    flex-direction: column;
    width: 100%;
    border-top: 1px solid #e5e5e5;
    padding-top: 10px;
  }

  .nav-right li {
    padding: 8px 0;
    border-right: none;
    border-bottom: none;
  }

  .nav-right li:not(:first-child) {
    padding-left: 0;
  }

  .nav-right li:last-child a {
    padding-right: 0;
  }

  .logo {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  #showPages {
    flex-wrap: wrap;
    gap: 5px;
  }

  button {
    padding: 6px 12px;
    font-size: 14px;
  }

  input[type="text"],
  select {
    width: 100%;
    margin-bottom: 10px;
  }

  #right-block {
    position: static;
    width: 100%;
    margin-top: 10px;
  }

  #dop-info {
    position: static;
    width: 100%;
    margin-top: 10px;
  }

  .model-info-v {
    flex-direction: column;
    gap: 5px;
  }

  .next-prev-model-btns,
  .next-prev-page-btns {
    flex-wrap: wrap;
    gap: 5px;
  }
}

/* Small mobile devices */
@media screen and (max-width: 480px) {
  body {
    padding: 5px;
    -webkit-overflow-scrolling: touch;
    min-height: -webkit-fill-available;
  }

  .window {
    padding: 10px;
    will-change: transform;
    transform: translateZ(0);
  }

  #canvas-wrapper {
    height: 200px;
    will-change: transform;
    transform: translateZ(0);
    width: 100vw;
    max-width: 100%;
  }

  button {
    padding: 5px 10px;
    font-size: 12px;
  }

  #showPages {
    justify-content: center;
  }

  #debug {
    font-size: 12px;
  }

  .model-info-param-name,
  .model-info-param-val {
    font-size: 12px;
  }
}

/* Landscape orientation */
@media screen and (max-height: 500px) and (orientation: landscape) {
  body {
    padding: 0;
    height: 100vh;
    overflow: hidden;
    position: fixed;
    width: 100%;
    -webkit-overflow-scrolling: touch;
  }

  .grid-container {
    height: 100vh;
    overflow: hidden;
  }

  .params-area {
    height: 100vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: fixed;
    left: 0;
    top: 0;
    width: 300px;
    z-index: 1000;
    background: #f5f5f5;
    border-right: 1px solid #ccc;
  }

  .maincontent-area {
    margin-left: 300px;
    height: 100vh;
    overflow: hidden;
  }

  #canvas-wrapper {
    height: 100vh;
    width: 100%;
    margin: 0;
    position: relative;
  }

  #graph {
    width: 100% !important;
    height: 100% !important;
  }

  .datasource-area {
    position: fixed;
    top: 0;
    right: 0;
    width: calc(100% - 300px);
    background: white;
    z-index: 1000;
    padding: 10px;
    border-bottom: 1px solid #ccc;
  }

  .desk {
    height: calc(100vh - 60px);
    margin-top: 60px;
  }

  #setup_selection_window {
    max-height: 90vh;
    -webkit-overflow-scrolling: touch;
  }

  #setup_selection_list {
    max-height: 70vh;
    -webkit-overflow-scrolling: touch;
  }

  /* Оптимизация для iPhone в ландшафтной ориентации */
  @supports (-webkit-touch-callout: none) {
    body {
      height: -webkit-fill-available;
    }

    .grid-container {
      height: -webkit-fill-available;
    }

    .params-area {
      height: -webkit-fill-available;
    }

    .maincontent-area {
      height: -webkit-fill-available;
    }

    #canvas-wrapper {
      height: -webkit-fill-available;
    }

    .desk {
      height: calc(-webkit-fill-available - 60px);
    }
  }
}