/* ==========================================================================
   Component: Top Header (announcement bar + logo / search / user actions)
   Requires: common.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Announcement bar
   -------------------------------------------------------------------------- */

.di-announcement {
  background-color: var(--di-green);
  color: var(--di-white);
  font-size: var(--di-fs-sm);
}

.di-announcement__list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 9px 0;
  list-style: none;
}

.di-announcement__item {
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}

.di-announcement__item span {
  font-weight: 400;
  letter-spacing: .1px;
}

/* --------------------------------------------------------------------------
   2. Header bar
   -------------------------------------------------------------------------- */

.di-header {
  background-color: var(--di-white);
  border-bottom: 1px solid var(--di-border);
}

.di-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 0;
}

/* 2.1 Logo ---------------------------------------------------------------- */

.di-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.di-logo:hover { color: inherit; }

.di-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.di-logo__name {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  color: var(--di-green);
  text-transform: uppercase;
}

.di-logo__tagline {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .3px;
  color: var(--di-gold);
}

/* 2.1b Drawer trigger — only exists below the navbar breakpoint */
/* Forces the burger + search onto their own flex line below the logo row */
.di-header__break { display: none; }

.di-header__burger {
  display: none;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--di-border);
  border-radius: var(--di-radius-sm);
  background-color: var(--di-white);
  cursor: pointer;
  transition: background-color var(--di-transition);
}

.di-header__burger:hover { background-color: var(--di-cream); }

/* 2.2 Search -------------------------------------------------------------- */

.di-search {
  flex: 1 1 auto;
  max-width: 700px;
  margin-inline: auto;
}

.di-search__form {
  display: flex;
  align-items: stretch;
  height: 46px;
  border: 1px solid var(--di-border);
  border-radius: var(--di-radius);
  background-color: var(--di-white);
  transition: border-color var(--di-transition), box-shadow var(--di-transition);
}

.di-search__form:focus-within {
  border-color: var(--di-gold);
  box-shadow: 0 0 0 3px rgba(185, 143, 79, .14);
}

/* Category dropdown */
.di-search__cat {
  position: relative;
  flex: none;
}

.di-search__cat-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  padding: 0 14px 0 16px;
  border: 0;
  border-right: 1px solid var(--di-border);
  border-radius: var(--di-radius) 0 0 var(--di-radius);
  background: transparent;
  color: var(--di-text);
  font-size: var(--di-fs-sm);
  font-weight: 400;
  white-space: nowrap;
  cursor: pointer;
}

/* Two scope pickers sit side by side: class first, then series */
.di-search__cat--class .di-search__cat-toggle { border-radius: var(--di-radius) 0 0 var(--di-radius); }
.di-search__cat--series .di-search__cat-toggle { border-radius: 0; }

.di-search__cat--series .di-search__cat-panel { left: -1px; }

.di-search__cat-toggle > span {
  max-width: 118px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.di-search__cat-toggle .di-icon {
  transition: transform var(--di-transition);
}

.di-search__cat-toggle[aria-expanded="true"] .di-icon {
  transform: rotate(180deg);
}

/* Searchable category panel (select2-style, built in-house) */
.di-search__cat-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: 320px;
  background-color: var(--di-white);
  border: 1px solid var(--di-border);
  border-radius: var(--di-radius);
  box-shadow: var(--di-shadow);
  overflow: hidden;
}

.di-search__cat-panel[hidden] { display: none; }

.di-search__cat-filter {
  padding: 10px;
  border-bottom: 1px solid var(--di-border);
  background-color: var(--di-cream);
}

.di-search__cat-filter input {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--di-border);
  border-radius: var(--di-radius-sm);
  background-color: var(--di-white);
  font-family: inherit;
  font-size: var(--di-fs-sm);
  color: var(--di-text);
}

.di-search__cat-filter input:focus {
  outline: none;
  border-color: var(--di-gold);
  box-shadow: 0 0 0 3px rgba(185, 143, 79, .14);
}

.di-search__cat-menu {
  max-height: 300px;
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: 0;
  padding: 6px;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: var(--di-border) transparent;
}

.di-search__cat-menu::-webkit-scrollbar { width: 8px; }
.di-search__cat-menu::-webkit-scrollbar-thumb {
  background-color: var(--di-border);
  border-radius: var(--di-radius-pill);
}

.di-search__cat-option {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--di-radius-sm);
  background: transparent;
  text-align: left;
  font-size: var(--di-fs-sm);
  line-height: 1.4;
  color: var(--di-text);
  cursor: pointer;
}

.di-search__cat-option:hover,
.di-search__cat-option.is-active,
.di-search__cat-option[aria-selected="true"] {
  background-color: var(--di-cream);
  color: var(--di-green);
}

.di-search__cat-option[aria-selected="true"] { font-weight: 500; }

.di-search__cat-option mark {
  padding: 0;
  background-color: rgba(185, 143, 79, .28);
  color: inherit;
  border-radius: 2px;
}

.di-search__cat-item[hidden] { display: none; }

/* Group headings inside the category list (Class / Subject / Series) */
.di-search__cat-group {
  padding: 10px 12px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--di-gold);
}

.di-search__cat-group[hidden] { display: none; }

/* --------------------------------------------------------------------------
   Live search suggestions (books only — see js/catalog-search.js)
   -------------------------------------------------------------------------- */

.di-search__suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 40;
  max-height: 380px;
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: 0;
  padding: 6px;
  list-style: none;
  background-color: var(--di-white);
  border: 1px solid var(--di-border);
  border-radius: var(--di-radius);
  box-shadow: var(--di-shadow);
}

.di-search__suggest[hidden] { display: none; }

.di-search__suggest-item a,
.di-search__suggest-all {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--di-radius-sm);
  background: transparent;
  font-family: inherit;
  font-size: var(--di-fs-sm);
  color: var(--di-text);
  text-align: left;
  cursor: pointer;
}

.di-search__suggest-item a:hover,
.di-search__suggest-item.is-active a,
.di-search__suggest-all:hover {
  background-color: var(--di-cream);
  color: var(--di-green);
}

.di-search__suggest-cover {
  flex: none;
  width: 34px;
  height: 46px;
  border-radius: 3px;
  object-fit: cover;
}

.di-search__suggest-text { min-width: 0; }

.di-search__suggest-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.di-search__suggest-meta {
  display: block;
  font-size: var(--di-fs-xs);
  color: var(--di-text-muted);
}

.di-search__suggest-price {
  margin-left: auto;
  flex: none;
  font-size: var(--di-fs-sm);
  font-weight: 600;
  color: var(--di-gold);
}

.di-search__suggest mark {
  padding: 0;
  background-color: rgba(185, 143, 79, .28);
  color: inherit;
}

.di-search__suggest-empty {
  padding: 16px 12px;
  text-align: center;
  font-size: var(--di-fs-sm);
  color: var(--di-text-muted);
}

.di-search__suggest-all {
  justify-content: center;
  border-top: 1px solid var(--di-border);
  border-radius: 0;
  margin-top: 4px;
  color: var(--di-green);
  font-weight: 500;
}

/* The suggestions panel is anchored to the whole search block */
.di-search { position: relative; }

.di-search__cat-empty {
  padding: 16px 12px;
  text-align: center;
  font-size: var(--di-fs-sm);
  color: var(--di-text-muted);
}

.di-search__cat-empty[hidden] { display: none; }

/* Text field */
.di-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0 16px;
  border: 0;
  background: transparent;
  font-size: var(--di-fs-sm);
  color: var(--di-text);
}

.di-search__input::placeholder {
  color: #9aa2a0;
}

.di-search__input:focus { outline: none; }

/* Submit */
.di-search__submit {
  flex: none;
  width: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0 calc(var(--di-radius) - 1px) calc(var(--di-radius) - 1px) 0;
  background-color: var(--di-gold);
  cursor: pointer;
  transition: background-color var(--di-transition);
}

.di-search__submit:hover { background-color: var(--di-gold-dark); }

/* 2.3 Actions ------------------------------------------------------------- */

.di-actions {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: none;
  margin-left: auto;
}

.di-action {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--di-text);
  text-align: center;
}

.di-action:hover { color: var(--di-green); }

.di-action__icon {
  position: relative;
  display: inline-flex;
}

.di-action__label {
  font-size: 11px;
  font-weight: 400;
  line-height: 1.25;
  white-space: nowrap;
}

.di-action__label strong {
  display: block;
  font-size: var(--di-fs-sm);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   3. Responsive
   -------------------------------------------------------------------------- */

/* Tablet / small desktop */
@media (max-width: 1199.98px) {
  .di-header__inner { gap: 18px; }
  .di-actions { gap: 18px; }
  .di-search { max-width: 460px; }
}

/* Below large: search drops to its own row */
@media (max-width: 991.98px) {
  .di-header__inner {
    flex-wrap: wrap;
    gap: 12px 16px;
    padding: 12px 0;
  }

  /* Burger sits beside the logo so the search field owns its whole row */
  .di-header__burger {
    display: inline-flex;
    order: -1; /* leftmost, before the logo */
    width: 38px;
    height: 38px;
  }

  .di-search {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
    margin: 0;
  }

  .di-action__label { display: none; }

  .di-actions { gap: 20px; }
}

/* Mobile: announcement bar becomes a single rotating message */
@media (max-width: 767.98px) {
  .di-announcement__list {
    justify-content: center;
    padding: 8px 0;
    min-height: 34px;
  }

  .di-announcement__item {
    display: none;
    font-size: var(--di-fs-xs);
    animation: di-fade-in .4s ease both;
  }

  .di-announcement__item.is-active { display: flex; }

  .di-logo__name { font-size: 1.125rem; letter-spacing: 1.2px; }
  .di-logo__tagline { font-size: 10px; }
  .di-logo img { width: 34px; height: 30px; }

  /* Phones: the two pickers share one row, the field gets its own */
  .di-search__form {
    height: auto;
    flex-wrap: wrap;
    border: 0;
    gap: 8px;
    background: transparent;
  }

  .di-search__form:focus-within { box-shadow: none; }

  .di-search__cat {
    flex: 1 1 calc(50% - 4px);
    border: 1px solid var(--di-border);
    border-radius: var(--di-radius-sm);
    background-color: var(--di-white);
    height: 40px;
  }

  .di-search__cat-toggle,
  .di-search__cat--class .di-search__cat-toggle,
  .di-search__cat--series .di-search__cat-toggle {
    width: 100%;
    justify-content: space-between;
    border: 0;
    border-radius: var(--di-radius-sm);
    padding: 0 12px;
    font-size: var(--di-fs-xs);
  }

  .di-search__cat-toggle > span { max-width: none; }

  .di-search__cat-panel { width: min(320px, calc(100vw - 32px)); }

  .di-search__input {
    flex: 1 1 auto;
    height: 42px;
    border: 1px solid var(--di-border);
    border-radius: var(--di-radius-sm) 0 0 var(--di-radius-sm);
    background-color: var(--di-white);
  }

  .di-search__submit {
    width: 52px;
    height: 42px;
    border-radius: 0 var(--di-radius-sm) var(--di-radius-sm) 0;
  }

  .di-search__suggest { top: calc(100% + 4px); }

  /* Panel never wider than the viewport on phones */
  .di-search__cat-panel {
    width: min(320px, calc(100vw - 32px));
  }

  .di-search__cat-menu { max-height: 46vh; }
}

@media (max-width: 400px) {
  .di-actions { gap: 16px; }
  .di-search__cat-toggle { font-size: 11px; }
}

@keyframes di-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}