/* Sticky app nav (GitHub issue #81). Partial: app/views/layouts/_app_nav_authenticated.html.erb
   Loaded after application.css so --space-*, --color-nav-*, etc. resolve.
   Ghost sign-out buttons: .app-nav .btn--ghost in components/btn.css (load after this sheet). */
@layer components {

/* ---------------------------------------------------------------------------
   Nav
   --------------------------------------------------------------------------- */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-nav-bg);
  color: var(--color-nav-text);
}

.app-nav__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3) var(--space-4);
  margin: 0 auto;
  max-width: 75rem;
  box-sizing: border-box;
}

@media (max-width: 639.98px) {
  .app-nav__inner {
    flex-wrap: nowrap;
  }
}

@media (min-width: 640px) {
  .app-nav__inner {
    padding: var(--space-4) var(--space-8);
  }
}

.app-nav__brand {
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-nav-text);
  text-decoration: none;
  margin-right: auto;
  display: inline-flex;
  align-items: center;
}

.app-nav__brand .logo-mark__text {
  font-family: var(--font-logo-wordmark);
}

.app-nav__brand .logo-mark {
  height: 2.5rem;
  width: auto;
  flex-shrink: 0;
  --logo-fill: #fff;
  --logo-stroke: #00A0E3;
  --logo-divider-stroke: #00A0E3;
}

.app-nav__brand:hover .logo-mark {
  --logo-stroke: #33b8eb;
}

.app-nav__link {
  color: var(--color-nav-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-family: "Outfit", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.app-nav__link:hover {
  color: var(--color-nav-text-hover);
}

.app-nav__form {
  display: inline;
}

/* Nav ghost sign-out / text buttons: .app-nav .btn--ghost in components/btn.css */

.app-nav__user {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-nav-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-family: "Outfit", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.03em;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-nav__user:hover {
  color: var(--color-nav-text-hover);
}

.app-nav__user .avatar {
  flex-shrink: 0;
}

.avatar.app-nav__avatar--mobile-trigger {
  width: 2.25rem;
  height: 2.25rem;
}

.app-nav__user-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nav role switcher uses shared/components/_dropdown (issue #106); .app-nav__dropdown-menu is the inner <ul>. */

.app-nav__dropdown-menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Authenticated nav: one row on narrow viewports (logo | avatar menu). */
.app-nav__auth-cluster {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  min-width: 0;
}

.app-nav__mobile-menu {
  position: relative;
  display: block;
}

.app-nav__desktop-auth {
  display: none;
}

/* 640px matches other layout breakpoints; 768px would miss ~756px viewports (e.g. Capybara default content width). */
@media (min-width: 640px) {
  .app-nav__mobile-menu {
    display: none !important;
  }

  .app-nav__desktop-auth {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
  }
}

.app-nav__mobile-menu-trigger {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  margin: 0;
  border-radius: var(--radius);
  color: var(--color-nav-text);
}

.app-nav__mobile-menu-trigger::-webkit-details-marker {
  display: none;
}

.app-nav__mobile-menu-trigger::after {
  content: "";
  display: inline-block;
  margin-left: var(--space-1);
  border: 0.35em solid transparent;
  border-top-color: currentColor;
  border-bottom: 0;
  vertical-align: 0.2em;
}

.app-nav__mobile-menu[open] .app-nav__mobile-menu-trigger::after {
  border-top: 0;
  border-bottom: 0.35em solid currentColor;
}

.app-nav__mobile-menu-trigger:hover {
  background: rgba(255, 255, 255, 0.08);
}

.app-nav__mobile-menu-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-1);
  min-width: 12.5rem;
  max-width: min(20rem, calc(100vw - var(--space-4) * 2));
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  z-index: 200;
}

.app-nav__mobile-menu-account {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-family: "Outfit", var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius);
}

.app-nav__mobile-menu-account:hover {
  background: var(--color-bg);
}

.app-nav__mobile-menu-account-name {
  display: block;
  font-weight: 600;
}

.app-nav__mobile-menu-account-hint {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
}

.app-nav__mobile-menu-list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: var(--space-2) 0 0;
  border-top: 1px solid var(--color-border);
}

.app-nav__mobile-menu-list li {
  margin: 0;
}

.app-nav__mobile-menu-item {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-family: "Outfit", var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius);
}

.app-nav__mobile-menu-item:hover {
  background: var(--color-bg);
}

.app-nav__mobile-menu-item[aria-current="page"] {
  background: var(--color-bg);
}

.app-nav__mobile-menu-form {
  display: block;
  margin: var(--space-2) 0 0;
  padding: var(--space-2) 0 0;
  border-top: 1px solid var(--color-border);
}

.app-nav__mobile-menu-sign-out {
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: "Outfit", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  border-radius: var(--radius);
}

.app-nav__mobile-menu-sign-out:hover {
  background: var(--color-bg);
}

}