/* Shared navigation contract for authenticated ISNaD application surfaces. */

[data-isnad-app-switcher] {
  position: relative;
  flex: 0 0 auto;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.isnad-app-switcher-trigger,
.isnad-internal-action,
.isnad-internal-icon {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border, rgba(15, 23, 42, .12));
  border-radius: 9px;
  background: var(--bg-card, var(--surface, #fff));
  color: var(--text-secondary, var(--text2, #475569));
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, color .16s ease;
}

.isnad-app-switcher-trigger {
  min-width: 178px;
  justify-content: flex-start;
  padding: 5px 10px 5px 6px;
}

.isnad-app-switcher-trigger:hover,
[data-isnad-app-switcher].open .isnad-app-switcher-trigger,
.isnad-internal-action:hover,
.isnad-internal-icon:hover {
  border-color: color-mix(in srgb, var(--accent, #4f46e5) 45%, var(--border, #d7dce7));
  color: var(--accent, #4f46e5);
  background: color-mix(in srgb, var(--accent, #4f46e5) 5%, var(--bg-card, var(--surface, #fff)));
}

.isnad-app-switcher-icon {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 7px;
  background: color-mix(in srgb, var(--accent, #4f46e5) 12%, transparent);
  color: var(--accent, #4f46e5);
  font-size: 12px;
}

.isnad-app-switcher-label {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  white-space: nowrap;
}

.isnad-app-switcher-brand { color: var(--text, #1e293b); font-weight: 800; }
.isnad-app-switcher-current { color: var(--text-secondary, var(--text2, #475569)); font-weight: 650; }
.isnad-app-switcher-chevron { margin-left: auto; color: var(--text-muted, var(--text3, #94a3b8)); font-size: 9px; transition: transform .16s ease; }
[data-isnad-app-switcher].open .isnad-app-switcher-chevron { transform: rotate(180deg); }

.isnad-app-switcher-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 10050;
  width: 270px;
  padding: 7px;
  border: 1px solid var(--border, rgba(15, 23, 42, .12));
  border-radius: 12px;
  background: var(--bg-card, var(--surface, #fff));
  box-shadow: var(--shadow-lg, 0 18px 45px rgba(15, 23, 42, .16));
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
}

[data-isnad-app-switcher].open .isnad-app-switcher-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.isnad-app-switcher-heading {
  padding: 7px 9px 6px;
  color: var(--text-muted, var(--text3, #94a3b8));
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.isnad-app-switcher-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-height: 45px;
  padding: 6px 8px;
  border-radius: 9px;
  color: var(--text-secondary, var(--text2, #475569));
  text-decoration: none;
}

.isnad-app-switcher-item:hover {
  background: var(--bg-elevated, var(--surface2, #f5f6fa));
  color: var(--text, #1e293b);
}

.isnad-app-switcher-item.active {
  background: color-mix(in srgb, var(--accent, #4f46e5) 9%, transparent);
  color: var(--accent, #4f46e5);
}

.isnad-app-switcher-item-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent, #4f46e5) 9%, transparent);
  color: var(--accent, #4f46e5);
  font-size: 12px;
}

.isnad-app-switcher-item-copy { min-width: 0; }
.isnad-app-switcher-item-copy strong,
.isnad-app-switcher-item-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.isnad-app-switcher-item-copy strong { color: inherit; font-size: 12px; font-weight: 750; }
.isnad-app-switcher-item-copy small { margin-top: 2px; color: var(--text-muted, var(--text3, #94a3b8)); font-size: 10px; font-weight: 500; }
.isnad-app-switcher-check { color: var(--accent, #4f46e5); font-size: 10px; }
.isnad-app-switcher-divider { height: 1px; margin: 6px 4px; background: var(--border, rgba(15, 23, 42, .1)); }
.isnad-app-switcher-utility { min-height: 38px; grid-template-columns: 30px minmax(0, 1fr) auto; }

.isnad-internal-action { padding: 6px 11px; }
.isnad-internal-icon { width: 36px; padding: 0; }

.isnad-standalone-header {
  z-index: 1000;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--border, rgba(15, 23, 42, .1));
  background: color-mix(in srgb, var(--bg-card, var(--surface, #fff)) 96%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(15, 23, 42, .06));
}

.isnad-standalone-header.is-sticky { position: sticky; top: 0; }
.isnad-standalone-header.is-fixed { position: fixed; top: 0; left: 0; right: 0; }
.isnad-standalone-header[hidden] { display: none !important; }
.isnad-site-nav[hidden] { display: none !important; }
.isnad-standalone-header-left,
.isnad-standalone-header-actions { display: flex; align-items: center; gap: 8px; min-width: 0; }

.top-bar .isnad-header-divider { width: 1px; height: 24px; background: var(--border, rgba(15,23,42,.1)); }
.top-bar .theme-toggle.isnad-internal-icon { padding: 0; }

/* Account menu fallback for pages that do not load /style.css. */
.user-dropdown { position: relative; }
.user-dropdown-trigger {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 8px 3px 3px;
  border: 1px solid var(--border, rgba(15, 23, 42, .12));
  border-radius: 999px;
  background: var(--bg-card, var(--surface, #fff));
  color: var(--text, #1e293b);
  font: inherit;
  cursor: pointer;
}
.user-dropdown-trigger:hover,.user-dropdown.open .user-dropdown-trigger { border-color: color-mix(in srgb, var(--accent, #4f46e5) 40%, var(--border, #d7dce7)); }
.user-avatar { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: linear-gradient(135deg,var(--accent,#4f46e5),#7c3aed); }
.user-avatar-lg { width: 40px; height: 40px; }
.user-avatar-letter { color: #fff; font-size: 11px; font-weight: 800; }
.user-avatar-lg .user-avatar-letter { font-size: 14px; }
.role-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 7px; border-radius: 999px; color: var(--text-secondary, var(--text2,#475569)); background: var(--bg-elevated, var(--surface2,#f5f6fa)); font-size: 10px; font-weight: 750; }
.user-dropdown-caret { color: var(--text-muted,var(--text3,#94a3b8)); font-size: 9px; transition: transform .16s ease; }
.user-dropdown.open .user-dropdown-caret { transform: rotate(180deg); }
.user-dropdown-menu { position: absolute; top: calc(100% + 8px); right: 0; z-index: 10050; min-width: 250px; padding: 6px 0; border: 1px solid var(--border,rgba(15,23,42,.12)); border-radius: 12px; background: var(--bg-card,var(--surface,#fff)); box-shadow: var(--shadow-lg,0 18px 45px rgba(15,23,42,.16)); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: .15s ease; }
.user-dropdown.open .user-dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.user-dropdown-header { display: flex; align-items: center; gap: 10px; padding: 10px 13px; }
.user-dropdown-name { color: var(--text,#1e293b); font-size: 13px; font-weight: 800; }
.user-dropdown-email { max-width: 175px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-muted,var(--text3,#94a3b8)); font-size: 10px; }
.user-dropdown-divider { height: 1px; margin: 5px 0; background: var(--border,rgba(15,23,42,.1)); }
.user-dropdown-item { width: 100%; display: flex; align-items: center; gap: 9px; padding: 8px 13px; border: 0; background: transparent; color: var(--text-secondary,var(--text2,#475569)); font: inherit; font-size: 12px; text-align: left; text-decoration: none; cursor: pointer; }
.user-dropdown-item:hover { background: var(--bg-elevated,var(--surface2,#f5f6fa)); color: var(--text,#1e293b); }
.user-dropdown-item i { width: 15px; text-align: center; }
.user-dropdown-danger { color: #dc2626; }

@media (max-width: 700px) {
  .isnad-standalone-header { padding: 9px 12px; }
  .isnad-internal-action span { display: none; }
  .isnad-internal-action { width: 36px; padding: 0; }
  .isnad-app-switcher-trigger { min-width: 0; max-width: 190px; }
  .isnad-app-switcher-brand { display: none; }
  .isnad-app-switcher-menu { width: min(270px, calc(100vw - 24px)); }
  .role-badge { display: none; }
  .user-dropdown-trigger { width: 36px; padding: 3px; }
  .user-dropdown-caret { display: none; }
  .top-bar .isnad-header-divider,
  .top-bar .page-title { display: none; }
}

@media (max-width: 430px) {
  .isnad-app-switcher-trigger { max-width: 158px; }
  .isnad-app-switcher-current { overflow: hidden; text-overflow: ellipsis; }
}