/* Navigazione mobile: drawer verticale a colonna unica, senza quote fisse. */
.mobile-nav-header,
.mobile-nav-backdrop,
.mobile-nav-logout {
  display: none;
}

@media (max-width: 900px) {
  html body.nav-open {
    overflow: hidden !important;
    overscroll-behavior: none;
    touch-action: pan-x pan-y;
  }

  html body nav#main-nav.usolar-main-nav,
  html body nav.usolar-main-nav,
  html body .nav.usolar-main-nav,
  html body .usolar-main-nav[data-main-nav] {
    display: flex !important;
    visibility: hidden !important;
    position: fixed !important;
    inset: 0 0 0 auto !important;
    width: min(92vw, 390px) !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: 390px !important;
    max-height: none !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 14px 18px !important;
    z-index: 130 !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    border: 0 !important;
    border-left: 1px solid #d7e0ec !important;
    border-radius: 0 !important;
    background: #fff !important;
    box-shadow: -18px 0 44px rgba(15, 34, 56, .24) !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    align-content: stretch !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    grid-template-columns: minmax(0, 1fr) !important;
    transform: translateX(105%);
    transition: transform .2s ease, visibility 0s linear .2s;
    pointer-events: none !important;
  }

  html body.nav-open nav#main-nav.usolar-main-nav,
  html body.nav-open nav.usolar-main-nav,
  html body.nav-open .nav.usolar-main-nav,
  html body.nav-open .usolar-main-nav[data-main-nav] {
    visibility: visible !important;
    transform: translateX(0);
    transition: transform .2s ease;
    pointer-events: auto !important;
  }

  html body .usolar-main-nav > *,
  html body .usolar-main-nav .main-nav-link,
  html body .usolar-main-nav .main-nav-dropdown,
  html body .usolar-main-nav .main-nav-dropdown-toggle,
  html body .usolar-main-nav .main-nav-dropdown-panel,
  html body .usolar-main-nav .main-nav-dropdown-panel > a {
    width: 100% !important;
    max-width: none !important;
    min-width: 0 !important;
    flex: 0 0 auto !important;
    grid-column: 1 / -1 !important;
  }

  html body .usolar-main-nav .main-nav-link,
  html body .usolar-main-nav .main-nav-dropdown-toggle,
  html body .usolar-main-nav .main-nav-dropdown-panel > a {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    min-height: 48px !important;
    padding: 11px 13px !important;
    border-radius: 12px !important;
    text-align: left !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
  }

  html body .usolar-main-nav .main-nav-dropdown-panel {
    display: none !important;
    position: static !important;
    margin: 4px 0 0 !important;
    padding: 6px !important;
    border-radius: 12px !important;
    box-shadow: none !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    gap: 4px !important;
    grid-template-columns: minmax(0, 1fr) !important;
  }

  html body .usolar-main-nav .main-nav-dropdown.is-open > .main-nav-dropdown-panel {
    display: flex !important;
  }

  html body .usolar-main-nav .mobile-nav-header {
    display: flex !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 2 !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-height: 68px !important;
    margin: 0 -14px 4px !important;
    padding: max(12px, env(safe-area-inset-top)) 14px 12px !important;
    border-bottom: 1px solid #d7e0ec !important;
    background: rgba(255, 255, 255, .98) !important;
    backdrop-filter: blur(12px);
  }

  .mobile-nav-header strong {
    color: #17263a;
    font-size: 18px;
  }

  .mobile-nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid #d7e0ec;
    border-radius: 12px;
    background: #fff;
    color: #17263a;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
  }

  html body .usolar-main-nav .mobile-nav-logout {
    display: block !important;
    margin-top: auto !important;
    padding-top: 10px !important;
    padding-bottom: max(0px, env(safe-area-inset-bottom)) !important;
  }

  html body .usolar-main-nav .mobile-nav-logout .btn {
    width: 100% !important;
    min-height: 48px !important;
    background: #fff !important;
    color: #b42318 !important;
    border: 1px solid #f3b9b4 !important;
  }

  html body .topbar .p25b3-logout-form {
    display: none !important;
  }

  .mobile-nav-backdrop {
    display: block;
    visibility: hidden;
    position: fixed;
    inset: 0;
    z-index: 120;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgba(15, 34, 56, .46);
    opacity: 0;
    transition: opacity .2s ease, visibility 0s linear .2s;
    pointer-events: none;
  }

  body.nav-open .mobile-nav-backdrop {
    visibility: visible;
    opacity: 1;
    transition: opacity .2s ease;
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html body nav#main-nav.usolar-main-nav,
  html body nav.usolar-main-nav,
  html body .mobile-nav-backdrop {
    transition: none !important;
  }
}