/* Compact, keyboard-accessible navigation for phones and small tablets. */
.mobile-nav-toggle { display: none; }

@media (max-width: 760px) {
  .sidebar {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0;
    padding: 10px 14px;
    overflow: visible;
  }

  .sidebar::before {
    content: 'PartyCollection';
    align-self: center;
    color: #f2f3e9;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
  }

  .mobile-nav-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    place-content: center;
    gap: 5px;
    padding: 0;
    border: 1px solid #53664a;
    border-radius: 10px;
    background: #1b2920;
    color: #f2f3e9;
  }

  .mobile-nav-toggle:hover { border-color: #caed79; }
  .mobile-nav-toggle:focus-visible { outline: 3px solid #caed79; outline-offset: 2px; }
  .mobile-nav-toggle span { width: 18px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .18s ease, opacity .18s ease; }
  .mobile-nav-open .mobile-nav-toggle span:first-child { transform: translateY(7px) rotate(45deg); }
  .mobile-nav-open .mobile-nav-toggle span:nth-child(2) { opacity: 0; }
  .mobile-nav-open .mobile-nav-toggle span:last-child { transform: translateY(-7px) rotate(-45deg); }

  .sidebar .nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 10px;
    padding: 8px;
    overflow: visible;
    border: 1px solid #35463b;
    border-radius: 12px;
    background: #142019;
    box-shadow: 0 14px 30px #06100780;
  }

  .sidebar.mobile-nav-open .nav { display: grid; }
  .sidebar .nav button { width: 100%; padding: 12px; font-size: 14px !important; }
  .sidebar .nav button:focus-visible { outline: 2px solid #caed79; outline-offset: -2px; }
  .sidebar .profile { display: none; }
  .sidebar.mobile-nav-open .profile {
    display: flex;
    grid-column: 1 / -1;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin: 8px 0 0;
    padding: 8px;
    border-top: 1px solid #35463b;
  }

  .sidebar.mobile-nav-open .profile .avatar { display: none; }
  .sidebar.mobile-nav-open .profile button { order: 3; margin-left: auto; padding: 8px; }
}