/* ============================================================
   Global Search — Instant cross-module search
   ============================================================ */

.global-search {
  position: fixed;
  inset: var(--navbar-height) 0 0 0;
  z-index: 300;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal) var(--ease-out);
}

.global-search.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

.global-search__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.35);
}

.global-search__panel {
  position: relative;
  max-width: 720px;
  margin: 12px auto 0;
  max-height: calc(100vh - var(--navbar-height) - 24px);
  max-height: calc(100dvh - var(--navbar-height) - 24px);
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-8px);
  transition: transform var(--duration-normal) var(--ease-out);
}

.global-search.is-open .global-search__panel {
  transform: translateY(0);
}

/* Filters */
.global-search__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg-subtle);
  flex-shrink: 0;
}

.global-search__filter {
  flex: 1;
  min-width: 120px;
  height: 34px;
  padding: 0 28px 0 10px;
  font-size: var(--font-size-xs);
  font-family: inherit;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%239b9a97' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.global-search__filter:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* Results area */
.global-search__results {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-strong) transparent;
}

.global-search__summary {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.global-search__empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.global-search__empty strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* Result groups */
.search-group {
  margin-bottom: 20px;
}

.search-group:last-child {
  margin-bottom: 0;
}

.search-group__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

.search-group__count {
  margin-left: auto;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  background-color: var(--color-accent-soft);
  border-radius: var(--radius-full);
}

.search-group__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Individual result */
.search-result {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  font-family: inherit;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.search-result:hover {
  background-color: var(--color-bg-hover);
  transform: translateX(2px);
}

.search-result:active {
  transform: translateX(0) scale(0.99);
}

.search-result__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-subtle);
}

.search-result--note .search-result__icon {
  color: var(--icon-history);
  background-color: color-mix(in srgb, var(--icon-history) 12%, transparent);
}

.search-result--keyword .search-result__icon {
  color: var(--icon-environment);
  background-color: color-mix(in srgb, var(--icon-environment) 12%, transparent);
}

.search-result--concept .search-result__icon {
  color: var(--icon-polity);
  background-color: color-mix(in srgb, var(--icon-polity) 12%, transparent);
}

.search-result__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.search-result__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.search-result__meta {
  font-size: 11px;
  color: var(--color-text-tertiary);
}

.search-result__snippet {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Highlight matching text */
.search-highlight {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  padding: 0 2px;
  border-radius: 2px;
}

[data-theme="dark"] .search-highlight {
  background-color: rgba(74, 140, 111, 0.25);
  color: #7ec4a0;
}

/* Navbar search active state */
.search-bar:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

/* Responsive */
@media (max-width: 768px) {
  .global-search__panel {
    margin: 0;
    max-width: none;
    max-height: calc(100vh - var(--navbar-height));
    max-height: calc(100dvh - var(--navbar-height));
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .global-search__filters {
    flex-direction: column;
  }

  .global-search__filter {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 1024px) {
  .search-bar__shortcut {
  display: none;
  }
}

.global-search__palette-hint {
  padding: 10px 16px;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.global-search__palette-hint kbd {
  font-family: inherit;
  padding: 2px 6px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}