/* Mobile hamburger nav (global) */

@media (max-width: 720px){
  /* Reserve space for sticky header */
  body{ padding-top: 52px; }

  .mnav-header{
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    background: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.12);
    z-index: 9999;
  }

  .mnav-left{
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
  }

  .mnav-brand{
    font: inherit;
    font-weight: 650;
    font-size: 15px;
    letter-spacing: 0.2px;
    color: #111;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mnav-back{
    display: none;                 /* hidden until reader mode */
    font: inherit;
    font-size: 18px;
    line-height: 1;
    border: 0;
    background: transparent;
    padding: 8px 8px;
    margin-left: -8px;
    cursor: pointer;
  }

  .mnav-menu{
    font: inherit;
    font-size: 18px;
    line-height: 1;
    border: 0;
    background: transparent;
    padding: 8px 8px;
    margin-right: -8px;
    cursor: pointer;
    color: #000 !important;
    -webkit-text-fill-color: #000 !important;
  }

  /* DROPDOWN (not left drawer): reuse your existing .sidebar markup */
  .sidebar{
    display: block !important;
    position: fixed !important;
    top: 52px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: auto !important;

    background: #fff !important;
    border-bottom: 1px solid rgba(0,0,0,0.12) !important;
    padding: 14px 14px !important;
    z-index: 9998;

    transform: translateY(-110%);
    transition: transform 180ms ease;
  }

  body.mnav-open .sidebar{ transform: translateY(0); }

  /* Backdrop */
  .mnav-backdrop{
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.20);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    z-index: 9997;
  }
  body.mnav-open .mnav-backdrop{
    opacity: 1;
    pointer-events: auto;
  }

  /* Reader mode back arrow only on pages that opt in */
body.mnav-has-reader-back.is-reading .mnav-back{ display: inline-block; }

@media (max-width: 900px){
  .sidebar .brand{
    display: none !important;
  }
}