/**
 * Civic-1 drawer navigation — first-party component (no core overlay overrides).
 *
 * Pattern: modal drawer via native <dialog> + disclosure accordions (APG).
 *
 * @see cv1-component-library.md
 */

:root {
  --cv1-drawer-breakpoint: 781px;
  --cv1-drawer-width: min(320px, 88vw);
  --cv1-drawer-gutter: var(--wp--preset--spacing--40, 1.5rem);
  --cv1-drawer-touch: 44px;
  --cv1-drawer-border: var(--wp--preset--color--cv1-border, #1a1a1a);
  --cv1-drawer-duration: 0.22s;
  --cv1-drawer-fade-duration: 0.25s;
  --cv1-drawer-ease: cubic-bezier(0.4, 0, 0.2, 1);
  /* Fixed viewport slot for hamburger + ✕ (tune here only) */
  --cv1-drawer-toggle-top: 0.375rem;
  --cv1-drawer-toggle-right: var(--cv1-drawer-gutter);
  --cv1-header-bar-height: max(
    var(--cv1-header-logo-size, 80px),
    calc(
      var(--cv1-drawer-toggle-top) + var(--cv1-drawer-touch) +
        var(--cv1-drawer-toggle-top)
    )
  );
}

/* Scroll lock: JS freezes body (see cv1-drawer-nav.js); class is a hook only */
html.cv1-drawer-open {
  overflow: hidden;
  overscroll-behavior: none;
}

html.cv1-drawer-open body {
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
}

/* Stay above frozen main; dims with ::backdrop like the rest of the page */
@media (max-width: 781px) {
  html.cv1-drawer-open .wp-site-blocks > header.wp-block-template-part {
    isolation: isolate;
    position: relative;
    z-index: 1002;
  }

  html.cv1-drawer-open
    .wp-site-blocks
    > header.wp-block-template-part.cv1-drawer-header-pinned {
    will-change: transform;
  }
}

/* --- Visibility: mobile drawer vs desktop nav --- */

.cv1-nav__desktop {
  display: none;
}

.cv1-drawer {
  display: block;
  flex: 0 0 auto;
  min-height: var(--cv1-drawer-touch);
  min-width: var(--cv1-drawer-touch);
}

@media (min-width: 782px) {
  .cv1-nav__desktop {
    display: block;
    flex: 1 1 auto;
    margin-left: auto;
    overflow: visible;
  }

  .cv1-drawer {
    display: none;
  }
}

/* --- Menu toggle --- */

.cv1-drawer__open,
.cv1-drawer__close {
  align-items: center;
  background: transparent;
  border: 0;
  box-sizing: border-box;
  color: inherit;
  cursor: pointer;
  display: flex;
  justify-content: center;
  margin: 0;
  min-height: var(--cv1-drawer-touch);
  min-width: var(--cv1-drawer-touch);
  padding: 0;
}

.cv1-drawer--menu-open .cv1-drawer__open {
  pointer-events: none;
  visibility: hidden;
}

@media (max-width: 781px) {
  .cv1-drawer__open,
  .cv1-drawer__close {
    height: var(--cv1-drawer-touch);
    position: fixed;
    right: var(--cv1-drawer-toggle-right);
    top: var(--cv1-drawer-toggle-top);
    width: var(--cv1-drawer-touch);
  }

  .cv1-drawer__open {
    z-index: 1003;
  }

  .cv1-drawer__close {
    z-index: 3;
  }

  body.admin-bar .cv1-drawer__open,
  body.admin-bar .cv1-drawer__close {
    top: calc(46px + var(--cv1-drawer-toggle-top));
  }
}

.cv1-drawer__open-icon {
  background: currentcolor;
  display: block;
  height: 2px;
  position: relative;
  width: 1.25rem;
}

.cv1-drawer__open-icon::before,
.cv1-drawer__open-icon::after {
  background: currentcolor;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  width: 100%;
}

.cv1-drawer__open-icon::before {
  top: -6px;
}

.cv1-drawer__open-icon::after {
  top: 6px;
}

.cv1-drawer__close-icon {
  display: block;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1;
}

/* --- Native dialog: one full-viewport scrim + right panel --- */

.cv1-drawer__dialog {
  background: transparent;
  border: 0;
  height: 100%;
  margin: 0;
  max-height: 100dvh;
  max-width: none;
  overflow: hidden;
  padding: 0;
  width: 100%;
}

/* One dim layer over the full viewport (header + content) */
.cv1-drawer__dialog::backdrop {
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  transition: opacity var(--cv1-drawer-fade-duration) var(--cv1-drawer-ease);
}

.cv1-drawer__dialog.cv1-drawer__dialog--visible::backdrop {
  opacity: 1;
}

@starting-style {
  .cv1-drawer__dialog.cv1-drawer__dialog--visible::backdrop {
    opacity: 0;
  }
}

.cv1-drawer__overlay {
  box-sizing: border-box;
  height: 100%;
  min-height: 100dvh;
  position: relative;
  width: 100%;
}

/* Click target only — dimming is on ::backdrop */
.cv1-drawer__scrim {
  background: transparent;
  border: 0;
  cursor: pointer;
  inset: 0;
  margin: 0;
  padding: 0;
  position: fixed;
  z-index: 1;
}

.cv1-drawer__panel {
  background: var(--wp--preset--color--background, #fff);
  bottom: 0;
  box-shadow: -2px 0 12px rgba(0, 0, 0, 0.12);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  max-width: var(--cv1-drawer-width);
  position: fixed;
  right: 0;
  top: 0;
  width: var(--cv1-drawer-width);
  z-index: 2;
}

.cv1-drawer__nav {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--cv1-drawer-gutter);
  padding-block-start: calc(
    var(--cv1-drawer-toggle-top) + var(--cv1-drawer-touch) +
      var(--cv1-drawer-gutter)
  );
}

/* --- Menu list --- */

.cv1-drawer__list,
.cv1-drawer__sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cv1-drawer__item {
  border-bottom: 1px solid var(--cv1-drawer-border);
}

.cv1-drawer__item--section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--cv1-drawer-touch);
  grid-template-rows: auto auto;
}

.cv1-drawer__item--section .cv1-drawer__row {
  grid-column: 1 / -1;
  grid-row: 1;
}

.cv1-drawer__link {
  color: inherit;
  display: block;
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.35;
  padding-block: 0.65rem;
  text-align: left;
  text-decoration: none;
}

/* Leaf rows: full-width tap target */
.cv1-drawer__item:not(.cv1-drawer__item--section) > .cv1-drawer__link {
  width: 100%;
}

.cv1-drawer__link:hover,
.cv1-drawer__link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.cv1-drawer__link[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.cv1-drawer__row {
  align-items: stretch;
  display: flex;
  width: 100%;
}

/* Section row: link = label width; disclosure fills the rest (large chevron hit area) */
.cv1-drawer__item--section .cv1-drawer__row .cv1-drawer__link {
  flex: 0 1 auto;
  min-width: 0;
  padding-inline-end: 0.5rem;
  width: auto;
}

.cv1-drawer__disclosure {
  align-items: center;
  background: transparent;
  border: 0;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex: 1 1 auto;
  justify-content: flex-end;
  margin: 0;
  min-height: var(--cv1-drawer-touch);
  min-width: var(--cv1-drawer-touch);
  padding: 0;
  padding-inline-end: 0.125rem;
}

.cv1-drawer__disclosure-icon {
  border: solid currentcolor;
  border-width: 0 2px 2px 0;
  display: inline-block;
  height: 0.45rem;
  transform: rotate(45deg);
  transition: transform var(--cv1-drawer-duration) var(--cv1-drawer-ease);
  width: 0.45rem;
}

.cv1-drawer__disclosure[aria-expanded="true"] .cv1-drawer__disclosure-icon {
  transform: rotate(-135deg);
}

.cv1-drawer__sublist {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-block: 0;
  padding-inline: 0 0 0 0.75rem;
  transition:
    max-height var(--cv1-drawer-duration) var(--cv1-drawer-ease),
    opacity calc(var(--cv1-drawer-duration) * 0.85) var(--cv1-drawer-ease),
    padding-block var(--cv1-drawer-duration) var(--cv1-drawer-ease);
  visibility: hidden;
}

.cv1-drawer__sublist:not([hidden]) {
  max-height: 28rem;
  opacity: 1;
  padding-block: 0.35rem 0.5rem;
  visibility: visible;
}

.cv1-drawer__sublist[hidden] {
  display: block;
}

.cv1-drawer__subitem .cv1-drawer__link {
  font-size: 1rem;
  font-weight: 500;
  padding-block: 0.35rem;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --cv1-drawer-duration: 0.01ms;
    --cv1-drawer-fade-duration: 0.01ms;
  }

  .cv1-drawer__dialog::backdrop {
    opacity: 1;
    transition: none;
  }

  .cv1-drawer__disclosure-icon,
  .cv1-drawer__sublist {
    transition: none;
  }
}