/* Sidebar component: shared styles for client + admin portals
   Uses existing color tokens from each page's :root (do not introduce new palette)
*/

:root {
  --hc-sidebar-collapsed-w: 54px; /* ~48-56px */
  --hc-sidebar-transition: 200ms;
}

/* Layout shell */
.hc-portal-shell {
  display: flex;
  margin-top: var(--topbar-h);
  min-height: calc(100vh - var(--topbar-h));
}

/* Fixed sidebar */
.hc-sidebar {
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w, 240px);
  background: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm, none);
  display: flex;
  flex-direction: column;
  padding: 2rem 0;
  overflow-y: auto;
  transition: width var(--hc-sidebar-transition) ease;
  will-change: width;
}

/* Main area pushed by sidebar width */
.hc-main {
  margin-left: var(--sidebar-w, 240px);
  flex: 1;
  min-width: 0;
  padding: 3rem 3rem 3rem;
  transition: margin-left var(--hc-sidebar-transition) ease;
}

/* Collapsed behavior: narrow strip always visible, no scroll, icons only */
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar {
  width: var(--hc-sidebar-collapsed-w);
  overflow: hidden;
}

.hc-portal-shell.is-sidebar-collapsed .hc-main {
  margin-left: var(--hc-sidebar-collapsed-w);
}

/* Toggle button — small floating icon on sidebar's right border (claude.ai style) */
.hc-sidebar-toggle {
  position: absolute;
  top: 0.75rem;
  right: 0;
  z-index: 3000;
  width: 28px;
  height: 28px;
  min-width: 28px;
  min-height: 28px;
  margin: 0;
  padding: 0;
  border-radius: 0 0.375rem 0.375rem 0;
  border: 1.5px solid var(--border-mid);
  border-right: none;
  background: var(--color-bg-alt);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--hc-sidebar-transition) ease;
  user-select: none;
}

.hc-sidebar-toggle:hover {
  background: rgba(15,46,92,.04);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hc-sidebar-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hc-sidebar-toggle-icon {
  font-size: 0.85rem;
  line-height: 1;
  color: inherit;
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
}

/* Hide labels when collapsed */
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-label,
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-section-label,
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-nav .hc-sidebar-nav-label,
.hc-portal-shell.is-sidebar-collapsed .portal-nav .hc-sidebar-nav-label {
  display: none !important;
}

/* Ensure nav links don't expand with text when collapsed */
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-nav a {
  gap: 0 !important;
  justify-content: center;
}

.hc-portal-shell.is-sidebar-collapsed .portal-nav a {
  padding-left: calc(1.5rem - 1.1rem);
  padding-right: calc(1.5rem - 1.1rem);
  justify-content: center;
}

/* Hide any non-icon SVG/text nodes that might remain */
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-nav a svg {
  margin: 0 !important;
}

/* Nav link base (expects page-specific .nav-icon sizing; keep minimal) */
.hc-sidebar-section-label {
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  font-weight: 600;
  padding: 0 1.25rem;
  margin-bottom: .5rem;
  margin-top: 1.5rem;
  transition: opacity var(--hc-sidebar-transition) ease;
}

.hc-sidebar-nav {
  display: flex;
  flex-direction: column;
}

.hc-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .7rem 1.35rem;
  font-size: .875rem;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all .15s;
  border-left: 2.5px solid transparent;
  position: relative;
}

.hc-sidebar-nav a:hover {
  color: var(--color-primary);
  background: rgba(15, 46, 92, 0.05);
}

.hc-sidebar-nav a.is-active {
  color: var(--color-primary);
  background: rgba(15,46,92,.06);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.hc-sidebar-nav .hc-sidebar-nav-label {
  transition: opacity var(--hc-sidebar-transition) ease;
}

/* When collapsed, stack icons visually and remove padding that would crowd */
.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-nav a {
  padding-left: calc(1.35rem - 1.1rem);
  padding-right: calc(1.35rem - 1.1rem);
  justify-content: center;
}

/* Divider: hide entirely when collapsed for cleaner claude.ai feel */
.hc-sidebar-divider {
  height: 1px;
  background: var(--border-mid);
  margin: 1rem 1.25rem;
}

.hc-portal-shell.is-sidebar-collapsed .hc-sidebar-divider {
  margin-left: .8rem;
  margin-right: .8rem;
}

/* Nav notification badges */
.nav-badge {
  margin-left: auto;
  background: var(--color-accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 99px;
  padding: 0 5px;
  display: none;
  pointer-events: none;
}

.nav-badge.is-visible {
  display: inline-block;
}

.hc-portal-shell.is-sidebar-collapsed .nav-badge {
  display: none !important;
}

/* When collapsed, show a small red dot on icons with unread notifications */
.hc-portal-shell.is-sidebar-collapsed .nav-badge.is-visible {
  display: block !important;
  position: absolute;
  top: .55rem;
  right: .7rem;
  margin: 0;
  min-width: 0;
  width: 9px;
  height: 9px;
  padding: 0;
  border-radius: 99px;
  font-size: 0;
  line-height: 0;
  border: 2px solid var(--color-bg-alt);
}

/* Mobile: sidebar hidden, use hamburger instead */
@media (max-width: 768px) {
  .hc-portal-shell.is-sidebar-collapsed .hc-main {
    margin-left: 0;
  }

  .hc-sidebar {
    display: none;
  }
}