@media (max-width: 768px) {
  body { display: block; width: 100%; min-height: 100vh; padding: 0; overflow-x: hidden; }

  #mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 85;
    height: 52px;
    padding: 0 0.6rem;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border);
  }
  #mobile-header button {
    width: 42px;
    height: 42px;
    border: none;
    background: none;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text);
  }
  #mobile-title { font-weight: 700; font-size: 0.95rem; }

  #mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: transparent;
    z-index: 100;
  }
  #mobile-menu-overlay.show { display: block; }
  #mobile-menu {
    position: absolute;
    left: 0.5rem;
    top: 56px;
    width: max-content;
    min-width: 0;
    max-width: 84vw;
    max-height: calc(100vh - 72px);
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.6rem;
    overflow-y: auto;
  }
  .mobile-menu-head {
    font-weight: 700;
    font-size: 1.05rem;
    padding: 0.5rem 0.5rem 1rem;
  }
  #mobile-menu button, #mobile-menu a {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 0.5rem;
    border: none;
    border-bottom: 1px solid var(--border);
    background: none;
    color: var(--text);
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
  }

  #app { display: block; width: 100%; max-width: none; min-height: 100vh; padding: 0; }
  #panel-list, #panel-translate, #stats-panel { display: none; }
  #panel-editor {
    display: flex;
    min-height: 100vh;
    border: none;
    border-radius: 0;
  }

  #panel-list {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 70;
    border: none;
    border-radius: 0;
    max-height: none;
  }
  body[data-view="list"] #panel-list { display: flex; }
  #btn-back-list {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: none;
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
  }
  #panel-list #entry-list { max-height: none; }

  #panel-translate {
    position: fixed;
    top: 52px;
    right: 0;
    width: min(420px, 94vw);
    height: calc(100vh - 52px);
    z-index: 60;
    border: none;
    border-radius: 0;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    pointer-events: none;
  }
  body[data-view="translate"] #panel-translate,
  body[data-view="stats"] #panel-translate {
    display: flex;
    transform: translateX(0);
    pointer-events: auto;
  }
  body[data-view="translate"] #stats-panel { display: flex; }
  body[data-view="stats"] #panel-translate > .panel-header,
  body[data-view="stats"] #panel-translate > .translate-section { display: none; }
  body[data-view="stats"] #stats-panel {
    display: flex;
    max-height: none;
    flex: 1;
  }
}