/* -- Sidebar component ------------------------------------------ */
/* Application sidebar with collapsible state, mobile sheet overlay, */
/* collapsible groups, submenus, and keyboard shortcut (Cmd+B).      */

@layer components {

  /* ── Shell layout ─────────────────────────────────────────── */
  .sidebar-layout {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh;
  }

  /* ── Sidebar panel ────────────────────────────────────────── */
  .app-sidebar {
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width, 16rem);
    height: 100vh;
    height: 100dvh;
    position: sticky;
    top: 0;
    background-color: var(--sidebar);
    border-right: 1px solid var(--sidebar-border);
    flex-shrink: 0;
    transition: width 200ms ease;
    overflow: hidden;
    z-index: 30;

    /* Right side */
    &[data-side="right"] {
      border-right: none;
      border-left: 1px solid var(--sidebar-border);
      order: 1;
    }

    /* Collapsed — icon-only rail */
    &[data-state="collapsed"] {
      width: var(--sidebar-width-collapsed, 3.5rem);

      & .sidebar-link span,
      & .sidebar-section-title,
      & .sidebar-group-action,
      & .sidebar-badge,
      & .sidebar-footer,
      & .sidebar-logo-text { display: none; }

      & .sidebar-link { justify-content: center; padding: 0.5rem; }
      & .sidebar-header { justify-content: center; padding: 0.75rem 0.5rem; }
      & .sidebar-group > summary { justify-content: center; }
      & .sidebar-group > summary span { display: none; }
      & .sidebar-group > summary svg:last-child { display: none; }
    }

    /* Hidden on mobile by default — shown via dialog */
    @media (max-width: 767px) {
      display: none;
    }
  }

  /* ── Sidebar header ───────────────────────────────────────── */
  .sidebar-header {
    display: flex;
    align-items: center;
    padding: 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
  }

  .sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sidebar-foreground);
    text-decoration: none;
  }

  /* ── Sidebar content (scrollable area) ────────────────────── */
  .sidebar-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.5rem;
    gap: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--sidebar-border) transparent;
  }

  /* ── Sidebar nav ──────────────────────────────────────────── */
  .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
  }

  /* ── Nav links ────────────────────────────────────────────── */
  .sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--sidebar-foreground);
    text-decoration: none;
    transition: background-color 150ms ease;
    position: relative;

    &:hover {
      background-color: var(--sidebar-accent);
      color: var(--sidebar-accent-foreground);
    }

    &[data-active="true"],
    &[aria-current="page"] {
      background-color: var(--sidebar-accent);
      color: var(--sidebar-accent-foreground);
      font-weight: 500;
    }

    &:focus-visible {
      outline: 2px solid var(--sidebar-ring);
      outline-offset: -2px;
    }

    & svg {
      width: 1rem;
      height: 1rem;
      flex-shrink: 0;
    }
  }

  /* ── Menu badge ───────────────────────────────────────────── */
  .sidebar-badge {
    margin-left: auto;
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    background-color: var(--sidebar-primary);
    color: var(--sidebar-primary-foreground);
    line-height: 1;
  }

  /* ── Section title ────────────────────────────────────────── */
  .sidebar-section-title {
    padding: 0.75rem 0.75rem 0.375rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted-foreground);
  }

  /* ── Collapsible group (uses <details>) ────────────────────── */
  .sidebar-group {
    & > summary {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 0.75rem;
      font-size: 0.6875rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted-foreground);
      cursor: pointer;
      list-style: none;
      border-radius: var(--radius-md);
      transition: background-color 150ms ease;

      &:hover { background-color: var(--sidebar-accent); }
      &::-webkit-details-marker { display: none; }

      & svg:last-child {
        width: 0.875rem;
        height: 0.875rem;
        margin-left: auto;
        transition: rotate 200ms ease;
      }
    }

    &[open] > summary svg:last-child { rotate: 90deg; }
    & > .sidebar-nav { padding: 0.25rem 0 0.25rem 0.75rem; }
  }

  /* ── Submenu (nested <details>) ────────────────────────────── */
  .sidebar-submenu {
    & > summary {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 0.75rem;
      border-radius: var(--radius-md);
      font-size: 0.875rem;
      color: var(--sidebar-foreground);
      cursor: pointer;
      list-style: none;
      transition: background-color 150ms ease;

      &:hover {
        background-color: var(--sidebar-accent);
        color: var(--sidebar-accent-foreground);
      }
      &::-webkit-details-marker { display: none; }

      & svg:last-child {
        width: 0.875rem;
        height: 0.875rem;
        margin-left: auto;
        transition: rotate 200ms ease;
      }
    }

    &[open] > summary svg:last-child { rotate: 90deg; }

    & > .sidebar-nav {
      padding: 0.25rem 0 0.25rem 1.5rem;
      border-left: 1px solid var(--sidebar-border);
      margin-left: 0.75rem;
    }
  }

  /* ── Group action button ──────────────────────────────────── */
  .sidebar-group-action {
    margin-left: auto;
    padding: 0.125rem;
    border: none;
    background: transparent;
    color: var(--muted-foreground);
    cursor: pointer;
    border-radius: var(--radius-sm);

    &:hover { color: var(--sidebar-foreground); background-color: var(--sidebar-accent); }
    & svg { width: 0.875rem; height: 0.875rem; }
  }

  /* ── Sidebar footer ───────────────────────────────────────── */
  .sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--sidebar-border);
    font-size: 0.8125rem;
    color: var(--sidebar-foreground);
    flex-shrink: 0;
    & p { margin: 0; }
  }

  /* ── Sidebar trigger ──────────────────────────────────────── */
  .sidebar-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--foreground);
    cursor: pointer;
    border-radius: var(--radius-md);

    &:hover { background-color: var(--accent); }
    &:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
    & svg { width: 1rem; height: 1rem; }
  }

  /* ── Mobile sidebar (<dialog> sheet overlay) ──────────────── */
  .sidebar-mobile {
    border: none;
    padding: 0;
    margin: 0;
    position: fixed;
    inset: 0;
    width: var(--sidebar-width, 16rem);
    max-width: 80vw;
    height: 100%;
    background-color: var(--sidebar);
    color: var(--sidebar-foreground);
    z-index: 50;
    overflow: hidden;
    display: flex;
    flex-direction: column;

    opacity: 0;
    translate: -100% 0;
    transition: opacity 200ms ease, translate 200ms ease,
                display 200ms allow-discrete;

    &[open] {
      opacity: 1;
      translate: 0 0;
    }

    &[data-side="right"] {
      right: 0;
      left: auto;
      translate: 100% 0;
      &[open] { translate: 0 0; }
    }

    &::backdrop {
      background: oklch(0 0 0 / 0.5);
      opacity: 0;
      transition: opacity 200ms ease, display 200ms allow-discrete;
    }

    &[open]::backdrop { opacity: 1; }

    & .sidebar-mobile-close {
      position: absolute;
      top: 0.75rem;
      right: 0.75rem;
      width: 1.5rem;
      height: 1.5rem;
      border: none;
      background: transparent;
      color: var(--sidebar-foreground);
      cursor: pointer;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;

      &:hover { background-color: var(--sidebar-accent); }
      & svg { width: 0.875rem; height: 0.875rem; }
    }

    @media (min-width: 768px) {
      display: none;
    }
  }

  @starting-style {
    .sidebar-mobile[open] { opacity: 0; translate: -100% 0; }
    .sidebar-mobile[open]::backdrop { opacity: 0; }
    .sidebar-mobile[data-side="right"][open] { opacity: 0; translate: 100% 0; }
  }

  /* ── Reduced motion ───────────────────────────────────────── */
  @media (prefers-reduced-motion: reduce) {
    .app-sidebar { transition: none; }
    .sidebar-link { transition: none; }
    .sidebar-group > summary svg:last-child { transition: none; }
    .sidebar-submenu > summary svg:last-child { transition: none; }
    .sidebar-mobile { transition: none; }
    .sidebar-mobile::backdrop { transition: none; }
  }
}