/**
 * Projects Dropdown
 *
 * Styles for the sidebar project selector: the trigger button, the desktop
 * flyout menu (rendered to <body> to escape the sidebar's overflow/transform
 * stacking context), and the mobile bottom-sheet variant.
 *
 * Relies on the design tokens defined in main.css (--card-bg, --accent-color,
 * --warning-color, --sidebar-color, --border-color, --surface-color, etc.).
 */

/* Project selector trigger (scoped to beat base .nav-link styles) */
.sidebar-nav .nav-item > .nav-link.projects-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  text-align: left;
  margin: 0.15rem 0 0.35rem;
  padding: 0.6rem 0.75rem;
  border-radius: 0.5rem;
  background-color: var(--card-bg);
  border: 1px solid color-mix(in srgb, var(--warning-color), transparent 55%);
  color: var(--sidebar-color);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.sidebar-nav .nav-item > .nav-link.projects-dropdown-btn:hover {
  border-color: color-mix(in srgb, var(--warning-color), transparent 30%);
  background-color: var(--card-bg);
  color: var(--sidebar-color);
}
.projects-dropdown-btn .nav-icon {
  color: var(--accent-color);
}
.projects-dropdown-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--heading-color);
}
.projects-chevron {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--sidebar-muted-color);
  transition: transform var(--transition-fast);
}
.projects-dropdown-btn[aria-expanded="true"] .projects-chevron {
  transform: rotate(180deg);
}

/* Flyout menu (moved to <body>, so styled globally) */
.projects-dropdown-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  z-index: 99999;
  min-width: 200px;
  max-width: min(360px, 92vw);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 32px -10px color-mix(in srgb, var(--heading-color), transparent 55%);
  overflow: hidden;
}
.projects-dropdown-menu.open {
  display: flex;
}
.projects-dropdown-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  max-height: 280px;
  overflow-y: auto;
}
.projects-dropdown-menu .project-item {
  margin: 0;
}
.projects-dropdown-item {
  display: block;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm, 0.375rem);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--default-color);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.projects-dropdown-item:hover {
  background-color: color-mix(in srgb, var(--accent-color), transparent 86%);
  color: var(--accent-color);
}
.projects-empty {
  padding: 0.6rem 0.7rem;
  font-size: 0.78rem;
  color: var(--sidebar-muted-color);
  text-align: center;
}

/* Desktop search row */
.projects-search {
  position: relative;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}
.projects-search-icon {
  position: absolute;
  top: 50%;
  left: 0.95rem;
  transform: translateY(-50%);
  font-size: 0.8rem;
  color: var(--sidebar-muted-color);
  pointer-events: none;
}
.projects-search-input {
  width: 100%;
  padding: 0.45rem 0.6rem 0.45rem 2rem;
  font-size: 0.8rem;
  color: var(--default-color);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm, 0.375rem);
  outline: none;
  transition: border-color var(--transition-fast);
}
.projects-search-input:focus {
  border-color: color-mix(in srgb, var(--accent-color), transparent 40%);
}

/* Mobile sheet header (hidden on desktop) */
.projects-sheet-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}
.projects-sheet-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--heading-color);
}
.projects-sheet-close {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--sidebar-muted-color), transparent 88%);
  color: var(--default-color);
  cursor: pointer;
}

/* Mobile sheet backdrop */
.projects-sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99998;
  background: rgb(10 16 30 / 0.58);
  backdrop-filter: blur(3px);
}
.projects-sheet-backdrop[hidden] {
  display: none;
}

/* Mobile: bottom sheet */
@media (max-width: 1199px) {
  .projects-dropdown-menu {
    display: flex;
    left: 0 !important;
    right: 0;
    bottom: 0;
    top: auto !important;
    width: 100%;
    min-width: 0;
    max-width: none;
    border-radius: var(--radius-lg, 0.75rem) var(--radius-lg, 0.75rem) 0 0;
    transform: translateY(100%);
    transition: transform var(--transition-base);
  }
  .projects-dropdown-menu.open {
    transform: translateY(0);
  }
  .projects-search {
    display: none;
  }
  .projects-sheet-header {
    display: flex;
  }
  .projects-dropdown-list {
    max-height: 60vh;
    padding: 0.5rem;
  }
  .projects-dropdown-item {
    padding: 0.75rem 0.7rem;
    white-space: normal;
  }
}
