/* Room Parent — Sidebar Navigation
   Progressive enhancement: nav works without JS.
   JS toggles data-status attribute; CSS handles all visuals. */

/* ——— Hamburger trigger ——— */
.nav-trigger {
  display: block;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  z-index: 1;
  -webkit-tap-highlight-color: transparent;
}

.nav-trigger__bar,
.nav-trigger__bar::before,
.nav-trigger__bar::after {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--text-primary);
  position: absolute;
  border-radius: 2px;
  left: 50%;
  margin-left: -11px;
  transition: transform 300ms ease-in-out;
}

.nav-trigger__bar {
  top: 50%;
  transform: translateY(-50%);
}

.nav-trigger__bar::before,
.nav-trigger__bar::after {
  content: '';
}

.nav-trigger__bar::before {
  top: -7px;
}

.nav-trigger__bar::after {
  bottom: -7px;
}

/* ——— Sidebar panel ——— */
.nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--page-bg);
  z-index: 901;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  visibility: hidden;
  opacity: 0;
  transform: translateX(-2rem);
  transition: visibility 0s linear 0.3s,
              opacity 0.3s ease,
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ——— Backdrop ——— */
.nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  background: rgba(0, 0, 0, 0);
  pointer-events: none;
  transition: background 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

/* ——— OPEN STATE ——— */
[data-nav-status="open"] .nav-panel {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
  transition: visibility 0s linear 0s,
              opacity 0.3s ease,
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-nav-status="open"] .nav-backdrop {
  background: rgba(0, 0, 0, 0.35);
  pointer-events: auto;
}

/* Hamburger → X animation */
[data-nav-status="open"] .nav-trigger__bar {
  background: transparent;
}

[data-nav-status="open"] .nav-trigger__bar::before {
  top: 0;
  transform: rotate(45deg);
}

[data-nav-status="open"] .nav-trigger__bar::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* ——— Sidebar contents ——— */
.nav-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 1rem;
}

.nav-panel-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-panel-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--text-muted);
  -webkit-tap-highlight-color: transparent;
}

.nav-panel-close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
}

.nav-panel-close svg {
  pointer-events: none;
}

.nav-panel-items {
  flex: 1;
  padding: 0.25rem 0;
  border-top: 1px solid var(--border);
}

.nav-panel-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-panel-link:hover {
  background: var(--primary-light);
  color: var(--text-primary);
}

.nav-panel-link[aria-current="page"] {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.nav-panel-link-icon {
  width: 22px;
  text-align: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.nav-panel-user {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-panel-avatar {
  width: 30px;
  height: 30px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.nav-panel-email {
  font-size: 0.78rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ——— Mobile adjustments ——— */
@media (max-width: 600px) {
  .nav-panel {
    width: 85vw;
    max-width: 320px;
  }

  .nav-panel-link {
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }
}