/**
 * Mobile navigation — phones only (max-width 767px).
 * Desktop uses site-nav--desktop + base.css (unchanged original header).
 */

/* Desktop nav visible by default; mobile chrome hidden only at min-width 768px below */
.site-nav--desktop {
  display: flex;
  align-items: center;
}

/* Desktop hiding for mobile-only chrome lives inline in templates/base.html
   so it works even when this stylesheet hasn't been refreshed by collectstatic. */

@media (max-width: 767px) {
  .site-nav--desktop {
    display: none !important;
  }

  .site-header {
    z-index: 10002;
  }

  .site-header .nav-menu-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex-shrink: 0;
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem 0.85rem;
    margin-inline-start: auto;
    border: 1px solid var(--color-gray-mid);
    border-radius: 12px;
    background: var(--color-white);
    color: var(--color-black);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    -webkit-tap-highlight-color: transparent;
  }

  .nav-menu-trigger:active {
    transform: scale(0.98);
  }

  .nav-menu-trigger:focus-visible {
    outline: 2px solid var(--color-red);
    outline-offset: 2px;
  }

  .nav-menu-trigger__icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 1.1rem;
    height: 0.95rem;
  }

  .nav-menu-trigger__bar {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.22s ease, opacity 0.22s ease;
  }

  .nav-menu-trigger[aria-expanded="true"] .nav-menu-trigger__bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-menu-trigger[aria-expanded="true"] .nav-menu-trigger__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-menu-trigger[aria-expanded="true"] .nav-menu-trigger__bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .header-inner {
    flex-wrap: nowrap;
    height: var(--header-height);
    min-height: var(--header-height);
    padding: 0 max(1rem, env(safe-area-inset-right)) 0 max(1rem, env(safe-area-inset-left));
    gap: 0.75rem;
  }

  .logo {
    font-size: 1.2rem;
    flex: 1;
    min-width: 0;
  }

  body.nav-panel-open {
    overflow: hidden;
    touch-action: none;
  }

  body.nav-panel-open .header-inner {
    position: relative;
  }

  /* Drawer above header and page; close via panel × or backdrop (hamburger sits under panel) */
  body.nav-panel-open .site-header {
    z-index: 50;
  }

  body.nav-panel-open .header-inner .logo {
    display: none;
  }

  /* Visual polish for backdrop (positioning lives in critical CSS inside base.html) */
  #nav-backdrop {
    background: rgba(10, 10, 10, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }

  /* Visual polish for panel (positioning + open/close transform live in critical CSS) */
  #site-nav-panel {
    color: var(--color-black);
    border-left: 1px solid var(--color-gray-mid);
    isolation: isolate;
  }

  .mobile-nav-panel__chrome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-shrink: 0;
    padding: max(0.85rem, env(safe-area-inset-top)) 1rem 0.85rem;
    border-bottom: 1px solid var(--color-gray-mid);
    background: var(--color-white);
  }

  .mobile-nav-panel__title,
  .mobile-nav-panel__user {
    flex: 1;
    min-width: 0;
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-black);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-nav-panel__user {
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(10, 10, 10, 0.7);
  }

  .mobile-nav-panel__close {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 12px;
    background: var(--color-gray-light);
    color: var(--color-black);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-panel__close:hover {
    background: rgba(196, 30, 58, 0.1);
    color: var(--color-red);
  }

  .mobile-nav-panel__close:focus-visible {
    outline: 2px solid var(--color-red);
    outline-offset: 2px;
  }

  .mobile-nav-panel__scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 0.75rem 0.85rem max(1.25rem, env(safe-area-inset-bottom));
    background: #ffffff;
    color: var(--color-black);
  }

  .mobile-nav-panel .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    width: 100%;
  }

  .mobile-nav-panel .nav-section {
    width: 100%;
  }

  .mobile-nav-panel .nav-section__heading {
    display: block;
    margin: 0 0 0.4rem;
    padding: 0 0.35rem;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(10, 10, 10, 0.5);
  }

  .mobile-nav-panel .nav-section__items {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }

  .mobile-nav-panel .nav-section__items > li {
    width: 100%;
  }

  .nav-mobile-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    min-height: 48px;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    text-align: start;
    text-decoration: none;
    color: var(--color-black);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    -webkit-tap-highlight-color: transparent;
  }

  .nav-mobile-row__label {
    flex: 1;
    line-height: 1.3;
  }

  .nav-item-icon {
    flex-shrink: 0;
  }

  a.nav-mobile-row:hover,
  button.nav-mobile-row:hover {
    background: rgba(196, 30, 58, 0.06);
    color: var(--color-red);
  }

  a.nav-mobile-row.active,
  button.nav-mobile-row.active {
    color: var(--color-red);
    background: rgba(196, 30, 58, 0.08);
    border-color: rgba(196, 30, 58, 0.15);
  }

  .mobile-nav-panel .nav-designer-actions {
    flex-direction: column;
    width: 100%;
    margin: 0;
    gap: 0.2rem;
  }

  .mobile-nav-panel .nav-designer-actions .nav-btn {
    width: 100%;
    justify-content: flex-start;
    min-height: 48px;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
  }

  .mobile-nav-panel .nav-section--accordion {
    background: var(--color-gray-light);
    border-radius: 14px;
    padding: 0.35rem;
    border: 1px solid var(--color-gray-mid);
  }

  .mobile-nav-panel .nav-section__toggle {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    min-height: 48px;
    padding: 0.65rem 0.75rem;
    border: none;
    border-radius: 10px;
    background: var(--color-white);
    color: var(--color-black);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-align: start;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: background 0.2s;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-panel .nav-section__toggle-label {
    flex: 1;
  }

  .nav-item-icon--chevron {
    transition: transform 0.25s ease;
    opacity: 0.7;
  }

  .mobile-nav-panel .nav-section--accordion.is-expanded .nav-item-icon--chevron {
    transform: rotate(180deg);
  }

  .mobile-nav-panel .nav-section__submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    margin: 0.35rem 0 0;
    padding: 0;
  }

  .mobile-nav-panel .nav-section--accordion.is-expanded .nav-section__submenu {
    max-height: 32rem;
  }

  .mobile-nav-panel .nav-section--account {
    margin-top: 0.35rem;
    padding-top: 0.65rem;
    border-top: 1px solid var(--color-gray-mid);
  }

  .mobile-nav-panel .nav-section--account .nav-logout-btn {
    width: 100%;
    color: var(--color-red);
  }

  .mobile-nav-panel .nav-logout-form {
    display: block;
    width: 100%;
    margin: 0;
    padding: 0;
  }
}

@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  .mobile-nav-panel,
  .nav-backdrop,
  .nav-menu-trigger__bar,
  .mobile-nav-panel .nav-section__submenu,
  .nav-item-icon--chevron {
    transition: none;
  }
}