/* 全站搜索入口与弹层。沿用米白纸面、黑色硬边框与橙色重点色。 */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--brand-black);
  background: transparent;
  color: var(--brand-black);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.search-trigger:hover {
  background: var(--brand-black);
  color: var(--brand-white);
}
.search-trigger svg {
  width: 17px;
  height: 17px;
  flex: none;
}
.search-trigger kbd {
  border: 1px solid currentColor;
  padding: 0 5px;
  font: 11px/1.6 var(--font-mono);
  opacity: .65;
}
.search-trigger:focus-visible {
  outline: 3px solid var(--brand-blue);
  outline-offset: 3px;
}
.search-trigger-label {
  letter-spacing: .02em;
}
.nav-inner .nav-links {
  margin-left: auto;
}

.site-search[hidden] {
  display: none;
}
.site-search {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(16px, 9vh, 96px) 20px 24px;
}
.site-search-backdrop {
  position: absolute;
  inset: 0;
  background: var(--scrim);
}
.site-search-panel {
  position: relative;
  width: min(640px, 100%);
  max-height: min(72vh, 640px);
  display: flex;
  flex-direction: column;
  background: var(--brand-white);
  border: 2px solid var(--brand-black);
  box-shadow: 8px 8px 0 var(--brand-black);
}
.site-search-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  border-bottom: 1px solid var(--brand-black);
  box-shadow: inset 0 -3px 0 transparent;
  transition: box-shadow .18s ease;
}
.site-search-bar:focus-within {
  box-shadow: inset 0 -3px 0 var(--brand-accent);
}
.site-search-icon {
  flex: none;
  color: var(--brand-accent);
}
.site-search-input {
  flex: 1;
  min-width: 0;
  min-height: 68px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--brand-black);
  font-size: 19px;
  font-family: var(--font-sans);
}
.site-search-input:focus {
  outline: none;
}
.site-search-input::placeholder {
  color: var(--placeholder);
}
.site-search-input::-webkit-search-cancel-button {
  display: none;
}
.site-search-close {
  flex: none;
  min-height: 34px;
  padding: 0 9px;
  border: 1px solid var(--brand-black);
  background: transparent;
  color: var(--brand-black);
  font: 11px var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.site-search-close:hover {
  background: var(--brand-black);
  color: var(--brand-white);
}
.site-search-status {
  margin: 0;
  padding: 10px 18px;
  border-bottom: 1px solid var(--divider-soft);
  color: var(--meta);
  font: 12px var(--font-mono);
  letter-spacing: .02em;
}
.site-search-results {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.site-search-result a {
  display: block;
  padding: 14px 18px 15px 16px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--row-line);
  text-decoration: none;
}
.site-search-result:last-child a {
  border-bottom: 0;
}
.site-search-result a:hover,
.site-search-result[aria-selected="true"] a {
  background: var(--surface);
  border-left-color: var(--brand-accent);
}
.site-search-result-title {
  display: block;
  color: var(--brand-black);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
}
.site-search-result-desc {
  display: block;
  margin-top: 3px;
  color: var(--meta);
  font-size: 13px;
  line-height: 1.65;
}
.site-search-result mark {
  background: rgba(255, 77, 0, .18);
  color: inherit;
  padding: 0 1px;
}
.site-search-foot {
  display: flex;
  gap: 18px;
  padding: 10px 18px;
  border-top: 1px solid var(--brand-black);
  color: var(--meta);
  font: 11px var(--font-mono);
  letter-spacing: .03em;
}
.site-search-foot span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.site-search-foot kbd {
  border: 1px solid var(--kbd-border);
  padding: 0 5px;
  font: 11px/1.6 var(--font-mono);
}
@media (max-width: 800px) {
  .nav-inner {
    justify-content: flex-start;
  }
  .nav-inner .nav-logo {
    margin-right: auto;
  }
  .search-trigger {
    margin-left: 10px;
    padding: 0 11px;
  }
  .theme-toggle {
    margin-left: 8px;
  }
  .search-trigger-label,
  .search-trigger kbd {
    display: none;
  }
  .site-search {
    padding: 12px 12px 16px;
    align-items: flex-start;
  }
  .site-search-panel {
    width: 100%;
    max-height: calc(100dvh - 28px);
    box-shadow: 4px 4px 0 var(--brand-black);
  }
  .site-search-input {
    min-height: 60px;
    font-size: 17px;
  }
  .site-search-foot {
    display: none;
  }
}
@media (max-width: 800px) {
  .nav-inner .nav-links {
    margin-left: 0;
  }
}