/* Lit html`` renders SVG children in the XHTML namespace, so the
   fill="currentColor" attribute is ignored.  Use CSS fill instead. */
.header svg path {
  fill: currentColor;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-header-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 2rem;
  border-bottom: 1px solid var(--color-header-border);
}

.app-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-header-text);
}

/* Hamburger button — hidden on desktop */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-header-text);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  color: var(--color-header-text);
  background-color: rgba(255, 255, 255, 0.08);
}

/* Desktop nav */
.desktop-nav ul {
  display: flex;
  list-style: none;
  gap: 0.35rem;
}

.desktop-nav a, .mobile-nav a {
  text-decoration: none;
  color: var(--color-header-muted);
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-size: 0.9rem;
}

.desktop-nav a:hover, .mobile-nav a:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-header-text);
}

.desktop-nav a.active, .mobile-nav a.active {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-header-text);
}

/* Mobile dropdown nav */
.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 2rem;
  border-bottom: 1px solid var(--color-header-border);
  gap: 0.15rem;
}

.mobile-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
}

.mobile-hidden {
  display: none !important;
}

@media (min-width: 769px) {
  .mobile-hidden {
    display: flex !important;
  }
}

.header-bottom {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 2rem;
  border-top: 1px solid var(--color-header-border);
}

.kbd-shortcut-btn {
  background: none;
  border: 1px solid var(--color-header-border);
  color: var(--color-header-muted);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.kbd-shortcut-btn:hover,
.kbd-shortcut-btn:focus-visible {
  color: var(--color-header-text);
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.kbd-shortcut-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.4);
}

.search-container {
  position: relative;
  width: 260px;
}

.search-container input {
  width: 100%;
  padding: 0.4rem 2rem 0.4rem 0.9rem;
  border: 1px solid var(--color-header-border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  background-color: rgba(255, 255, 255, 0.07);
  color: var(--color-header-text);
  transition: all 0.2s ease;
}

.search-container input::placeholder {
  color: var(--color-header-muted);
}

.search-container input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.search-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-header-muted);
  width: 16px;
  height: 16px;
}

/* Search clear button */
.search-clear {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-header-muted);
  cursor: pointer;
  padding: 0.15rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.search-clear:hover,
.search-clear:focus-visible {
  color: var(--color-header-text);
  background-color: rgba(255, 255, 255, 0.12);
}

.search-clear:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.4);
}

/* Suggestions dropdown */
.suggestions-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background-color: var(--color-header-bg);
  border: 1px solid var(--color-header-border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 1001;
  overflow: hidden;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  transition: background-color 0.1s ease;
}

.suggestion-item:hover,
.suggestion-item.active {
  background-color: rgba(255, 255, 255, 0.1);
}

.suggestion-type {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.suggestion-type--author {
  color: rgba(255, 255, 255, 0.8);
  background-color: rgba(160, 120, 80, 0.5);
}

.suggestion-type--genre {
  color: rgba(255, 255, 255, 0.8);
  background-color: rgba(70, 140, 80, 0.5);
}

.suggestion-value {
  font-size: 0.85rem;
  color: var(--color-header-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.5rem 2rem;
  border-top: 1px solid var(--color-header-border);
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.78rem;
  white-space: nowrap;
  color: #fff;
}

.filter-tag--author {
  background-color: rgba(160, 120, 80, 0.6);
}

.filter-tag--genre {
  background-color: rgba(70, 140, 80, 0.6);
}

.filter-tag--year {
  background-color: rgba(80, 100, 160, 0.6);
}

.filter-tag--month {
  background-color: rgba(120, 80, 160, 0.6);
}

.filter-tag:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 1px;
}

.filter-tag-type {
  opacity: 0.7;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.filter-tag-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.filter-tag-remove:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.15);
}

/* Filter mode toggle */
.filter-mode-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-header-border);
  color: var(--color-header-text);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.filter-mode-toggle:hover,
.filter-mode-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.18);
}

.filter-mode-toggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.4);
}

/* Clear all filters link */
.clear-all-filters {
  background: none;
  border: none;
  color: var(--color-header-muted);
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  padding: 0.2rem 0;
  transition: color 0.15s ease;
}

.clear-all-filters:hover,
.clear-all-filters:focus-visible {
  color: var(--color-header-text);
}

.clear-all-filters:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 2px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .desktop-nav {
    display: none;
  }

  .search-container {
    width: auto;
    flex: 1;
  }

  .header-bottom {
    padding: 0.5rem 1.5rem;
  }

  .kbd-shortcut-btn {
    display: none;
  }

  .filter-bar {
    padding: 0.5rem 1.5rem;
  }
}