/**
 * Presentation outline menu — slide-in sidebar + slide info box.
 *
 * Pairs with presentation-menu.js. Enqueued after `ip-presentations-frontend`,
 * so the built `.ip_swiper` / `.ip_slide` DOM is in place, and the
 * server-rendered `.ip_presentation-menu` markup is printed at `wp_body_open`
 * (outside the fixed `.ip_swiper` layer).
 *
 * When the menu opens, `body.ip_menu-open` slides the panel in and pushes the
 * slide layer + info box to the right. Nothing in the bundle is touched.
 */

:root {
  --ip_menu-width: min(360px, 82vw);
  --ip_menu-accent: #b80e1d;
  --ip_menu-surface: #ffffff;
  --ip_menu-ink: #1a1a1a;
  --ip_menu-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ip_menu-speed: 0.38s;
}

/* ------------------------------------------------------------------ push ---- */

.ip_swiper,
.ip_slide-info {
  transition: transform var(--ip_menu-speed) var(--ip_menu-ease);
}
body.ip_menu-open .ip_swiper {
  transform: translateX(var(--ip_menu-width));
}
body.ip_menu-open .ip_slide-info {
  transform: translateX(var(--ip_menu-width));
}

/* ------------------------------------------------------------- slide info --- */

.ip_slide-info {
  position: fixed;
  z-index: 101;
  top: calc(env(safe-area-inset-top, 0px) + 1rem);
  left: calc(env(safe-area-inset-left, 0px) + 1rem);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: calc(100vw - 2rem);
}

.ip_slide-info__toggle {
  position: relative;
  flex: none;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.55));
  transition:
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
}
.ip_slide-info__toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  box-sizing: border-box;
  width: 0.55rem;
  height: 0.55rem;
  border-style: solid;
  border-color: currentColor;
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -50%) rotate(-45deg); /* › — menu closed */
}
body.ip_menu-open .ip_slide-info__toggle::before {
  transform: translate(-50%, -50%) rotate(135deg); /* ‹ — menu open */
}
body.ip_menu-open .ip_slide-info__toggle,
.ip_slide-info__toggle:hover,
.ip_slide-info__toggle:focus-visible {
  background: var(--ip_menu-accent);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  filter: none;
}

.ip_slide-info__box {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  min-width: 0;
  padding: 0.32rem 0.7rem;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #fff;
}
.ip_slide-info__num {
  flex: none;
  color: var(--ip_menu-accent);
}
.ip_slide-info__title {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.ip_slide-info:not(.has-title) .ip_slide-info__title {
  display: none;
}

/* ------------------------------------------------------------ offcanvas ----- */

.ip_presentation-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
}
.ip_presentation-menu[hidden] {
  display: none;
}

.ip_presentation-menu__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(18, 18, 18, 0.55);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--ip_menu-speed) ease;
}
body.ip_menu-open .ip_presentation-menu__overlay {
  opacity: 1;
}

.ip_presentation-menu__panel {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--ip_menu-width);
  box-sizing: border-box;
  padding: calc(env(safe-area-inset-top, 0px) + 2.75rem) 1rem 1.5rem
    calc(env(safe-area-inset-left, 0px) + 1rem);
  background: var(--ip_menu-surface);
  box-shadow: 0 0 45px rgba(0, 0, 0, 0.28);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateX(-100%);
  transition: transform var(--ip_menu-speed) var(--ip_menu-ease);
}
body.ip_menu-open .ip_presentation-menu__panel {
  transform: none;
}

.ip_presentation-menu__logo {
  margin: 0 0 1.4rem;
  padding: 0 0.8rem;
}
.ip_presentation-menu__logo img {
  display: block;
  max-width: 160px;
  max-height: 4rem;
  width: auto;
  height: auto;
}

.ip_presentation-menu__heading {
  margin: 0 0 1.4rem;
  padding: 0 0.8rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ip_menu-ink);
}

/* --------------------------------------------------------- menu (the ul) ---- */

.ip_presentation-menu__panel .ip_presentation-menu__list,
.ip_presentation-menu__panel .ip_presentation-menu__list .sub-menu {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.ip_presentation-menu__panel .ip_presentation-menu__list {
  counter-reset: ip-menu;
}
.ip_presentation-menu__panel .ip_presentation-menu__list li {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  background: none;
  padding: 12px 0px !important;
}
.ip_presentation-menu__panel .ip_presentation-menu__list li::marker {
  content: none;
}
.ip_presentation-menu__panel .ip_presentation-menu__list > li {
  counter-increment: ip-menu;
}
/* Connector line: a segment from each top-level badge down to the next one. */
.ip_presentation-menu__panel
  .ip_presentation-menu__list
  > li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: calc(0.8rem + 0.95rem - 1px);
  top: 1.2rem;
  height: 100%;
  width: 2px;
  background: var(--ip_menu-accent);
  z-index: 0;
}

.ip_presentation-menu__panel .ip_presentation-menu__list a {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.5rem 0.8rem 0.5rem 3.2rem;
  border-radius: 0;
  color: var(--ip_menu-ink);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}
/* Number badge — top-level items only. */
.ip_presentation-menu__panel .ip_presentation-menu__list > li > a::before {
  content: counter(ip-menu);
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.9rem;
  height: 1.9rem;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--ip_menu-accent);
  background: var(--ip_menu-surface);
  color: var(--ip_menu-accent);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Sub-menu items: indented, no badge, lighter. */
.ip_presentation-menu__panel .ip_presentation-menu__list .sub-menu {
  margin-left: 1.75rem;
}
.ip_presentation-menu__panel .ip_presentation-menu__list .sub-menu a {
  min-height: 2rem;
  padding-left: 1.45rem;
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0.01em;
}
.ip_presentation-menu__panel .ip_presentation-menu__list .sub-menu a::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 50%;
  width: 0.4rem;
  height: 0.4rem;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--ip_menu-accent);
}
.ip_presentation-menu__panel .ip_presentation-menu__list .sub-menu .sub-menu {
  margin-left: 1.1rem;
}

.ip_presentation-menu__panel .ip_presentation-menu__list a:hover,
.ip_presentation-menu__panel .ip_presentation-menu__list a:focus-visible {
  background: #f3f3f3;
}
.ip_presentation-menu__panel .ip_presentation-menu__list a.is-current {
  background: #f0f0f0;
  color: var(--ip_menu-accent);
}
.ip_presentation-menu__panel
  .ip_presentation-menu__list
  > li
  > a.is-current::before {
  background: var(--ip_menu-accent);
  color: #fff;
}

/* ----------------------------------------------------------- reduced motion - */

@media (prefers-reduced-motion: reduce) {
  .ip_swiper,
  .ip_slide-info,
  .ip_presentation-menu__panel,
  .ip_presentation-menu__overlay {
    transition-duration: 0.01ms !important;
  }
}