/* Shared Header Styles for BoxBox.diy */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
}

.header-nav-wrapper {
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-warning);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 1.85rem;
  width: 1.85rem;
  border-radius: 3px;
  object-fit: cover;
}

.logo-divider {
  width: 1px;
  height: 1.1rem;
  background-color: var(--border-color);
  align-self: center;
  flex-shrink: 0;
}

.logo-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: normal;
  font-family: var(--font-mono);
}

.header-left-group {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
}

.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.breadcrumbs a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.breadcrumbs a.breadcrumb-file {
  color: var(--color-warning);
}

.breadcrumbs a.breadcrumb-file:hover {
  opacity: 0.85;
  text-decoration: underline;
}

.breadcrumbs span {
  color: var(--text-secondary);
}

.breadcrumbs .breadcrumb-file {
  color: var(--color-warning);
}

.header-actions {
  display: flex;
  align-items: center;
}

nav {
  display: flex;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  margin-left: 10px;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: transparent;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

nav a:hover {
  color: var(--text-primary);
  border-color: var(--color-accent-blue);
}

nav a:hover .category-emoji-img {
  filter: none;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.45rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  margin-left: 10px;
  outline: none;
}

.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--color-accent-blue);
}

.theme-toggle svg {
  transition: transform 0.5s ease;
}

.theme-toggle:hover svg {
  transform: rotate(30deg);
}

.sun-icon {
  display: block;
}
.moon-icon {
  display: none;
}

html[data-theme="light"] .sun-icon {
  display: none;
}
html[data-theme="light"] .moon-icon {
  display: block;
}

/* Category Bar (Main Page Sub-menu) */
.category-bar {
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.category-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

.mobile-menu-trigger {
  display: none;
}

.category-bar-list {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-bottom: -1px;
  width: 100%;
}

.category-bar-list::-webkit-scrollbar {
  display: none;
}

.category-bar-list .filter-btn {
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: calc(0.55rem + 5px) 1.1rem;
  font-family: var(--font-mono);
  font-size: calc(0.8rem + 1.33px);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
  width: auto;
  user-select: none;
  height: 100%;
}

.category-bar-list .filter-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--category-tab-hover-line);
}

.category-bar-list .filter-btn.active {
  color: var(--text-primary);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--color-accent-blue);
}

.category-emoji-img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  margin-right: 6px;
  flex-shrink: 0;
  filter: grayscale(80%) opacity(0.6);
  transition: var(--transition-smooth);
}

.filter-btn.active .category-emoji-img,
.filter-btn:hover .category-emoji-img {
  filter: none;
}

/* GitHub edit bar styling */
.github-edit-bar {
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.github-edit-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.github-edit-link-bar {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: calc(0.55rem + 5px) 0;
  font-family: var(--font-mono);
  font-size: calc(0.8rem + 1.33px);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
  width: 100%;
  user-select: none;
  text-decoration: none;
}

.github-edit-link-bar:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.01);
}

.github-edit-link-bar svg {
  fill: currentColor;
  display: block;
  width: 16px;
  height: 16px;
  margin-right: 6px;
  flex-shrink: 0;
}

/* Mobile specific overrides */
@media (max-width: 768px) {
  .logo span {
    display: none;
  }
  
  .breadcrumbs {
    display: none;
  }

  .mobile-menu-trigger {
    display: flex;
    align-items: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.65rem 0;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    width: auto;
  }

  .mobile-menu-trigger:hover {
    color: var(--text-primary);
  }

  .trigger-chevron {
    margin-right: 6px;
    display: flex;
    align-items: center;
  }

  .trigger-content {
    display: flex;
    align-items: center;
  }

  .menu-icon-svg {
    transition: transform 0.2s ease;
  }

  .category-bar-list.open ~ .mobile-menu-trigger .menu-icon-svg {
    transform: rotate(90deg);
  }

  .category-bar-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 100;
    max-height: 400px;
    overflow-y: auto;
  }

  .category-bar-list.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .category-bar-list.open .filter-btn {
    display: flex;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.65rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
  }
  
  .category-bar-list.open .category-emoji-img {
    filter: none;
  }
  
  .category-bar-list.open .filter-btn.active {
    background: var(--bg-primary);
  }
  
  .category-bar-list.open .filter-btn:last-of-type {
    border-bottom: none;
  }
  
  .category-bar-list.open .menu-divider {
    display: block;
    background-color: var(--border-color);
    opacity: 1;
    margin-top: 0;
    margin-bottom: 0;
    width: 100%;
    height: 1px;
  }

  .category-bar-list.open .menu-link-item {
    display: flex;
    width: 100%;
    padding: 0.65rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
  }

  .category-bar-list.open .menu-link-item:last-child {
    border-bottom: none;
  }
  
  .category-bar-list.open .menu-link-item .category-emoji-img {
    filter: none;
  }
}