/* ---------- mobile drawer ---------- */
.nav-drawer {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  background: var(--float-panel-bg);
  padding: 1rem; overflow-y: auto;
  transform: translateX(-100%); transition: transform var(--dur) var(--ease);
}
.nav-drawer { visibility: hidden; }
.nav-drawer.open { visibility: visible; transform: translateX(0); }
.nav-drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line-divider);
}
.nav-drawer-title { font-weight: 700; font-size: 1.1rem; }
.nav-drawer-links { display: flex; flex-direction: column; gap: 0.25rem; }
.nav-drawer-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 0.85rem; border-radius: var(--radius-md); font-size: 1rem;
}
.nav-drawer-item:hover { background: var(--btn-plain-bg-hover); }
.nav-drawer-item.active { color: var(--primary); font-weight: 600; }
/* grouped links: the parent is a summary that expands its children inline */
.nav-drawer-group > summary { list-style: none; cursor: pointer; }
.nav-drawer-group > summary::-webkit-details-marker { display: none; }
.nav-drawer-toggle .chev { margin-left: auto; transition: transform var(--dur) var(--ease); }
.nav-drawer-group[open] .nav-drawer-toggle .chev { transform: rotate(180deg); }
.nav-drawer-sub {
  display: flex; flex-direction: column; gap: 0.15rem;
  margin: 0.15rem 0 0.15rem 0.9rem; padding-left: 0.5rem;
  border-left: 2px solid var(--line-divider);
}
.nav-drawer-sub .nav-drawer-item { padding: 0.6rem 0.75rem; font-size: 0.95rem; }

/* ---------- search panel ---------- */
.search-overlay {
  position: fixed; inset: 0; z-index: calc(var(--z-drawer) + 1);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 10vh 1rem 2rem;
  background: rgb(0 0 0 / 0.35);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  /* hide only after the fade-out; showing flips visibility at once so the
     input can take focus in the same click */
  transition: opacity var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.search-overlay.open { opacity: 1; visibility: visible; transition: opacity var(--dur) var(--ease), visibility 0s; }
.search-dialog {
  display: flex; flex-direction: column; width: min(40rem, 100%); max-height: 70vh;
  padding: 0.6rem; border-radius: var(--radius-lg);
  background: var(--float-panel-bg); box-shadow: var(--shadow-navbar);
  transform: translateY(-10px); transition: transform var(--dur) var(--ease);
}
.search-overlay.open .search-dialog { transform: translateY(0); }
.search-head {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  padding: 0.15rem 0.15rem 0.5rem 0.35rem;
}
.search-title {
  display: flex; align-items: center; gap: 0.45rem; margin: 0;
  font-size: 0.95rem; font-weight: 600; color: var(--content-meta);
}
.search-field {
  display: flex; align-items: center; gap: 0.55rem; flex: 0 0 auto;
  height: 3rem; padding: 0 0.85rem; border-radius: var(--radius-md);
  background: var(--btn-regular-bg); color: var(--btn-content);
}
.search-field input {
  flex: 1 1 auto; min-width: 0; height: 100%;
  border: none; outline: none; background: transparent;
  font-family: inherit; font-size: 1rem; color: var(--deep-text);
}
.search-field input::placeholder { color: var(--content-meta); }
.search-kbd {
  flex: 0 0 auto; padding: 0.1rem 0.35rem; border-radius: 0.3rem;
  border: 1px solid var(--line-color); color: var(--content-meta);
  font-family: inherit; font-size: 0.7rem;
}
.search-hint { margin: 0.5rem 0.35rem 0.1rem; font-size: 0.78rem; color: var(--content-meta); }
.search-results { list-style: none; margin: 0.4rem 0 0; padding: 0; overflow-y: auto; }
.search-result { border-radius: var(--radius-sm); }
.search-result:hover, .search-result[aria-selected="true"] { background: var(--btn-plain-bg-hover); }
.search-result-link { display: block; padding: 0.55rem 0.7rem; }
.search-result-title { display: block; font-size: 0.95rem; font-weight: 600; color: var(--deep-text); }
.search-result-meta { display: block; margin-top: 0.15rem; font-size: 0.75rem; color: var(--content-meta); }
.search-result-meta span + span::before { content: "·"; margin: 0 0.45rem; opacity: 0.6; }
.search-result-excerpt {
  margin-top: 0.2rem; font-size: 0.84rem; line-height: 1.55; color: var(--text-75);
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.search-result mark { padding: 0 0.08rem; border-radius: 0.15rem; background: oklch(0.9 0.12 var(--hue)); color: var(--deep-text); }
:root.dark .search-result mark { background: oklch(0.42 0.09 var(--hue)); color: inherit; }
.search-empty { margin: 1.2rem 0.35rem; text-align: center; font-size: 0.9rem; color: var(--content-meta); }
.search-empty[hidden] { display: none; }