/* --- App shell: left sidebar + main column ------------------------- */
.ds-app-shell {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 3.5rem);
  gap: 0;
}

.ds-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* --- Left sidebar (icon rail, expands on hover or pin) ------------- */
.ds-sidebar {
  --ds-sidebar-collapsed: 56px;
  --ds-sidebar-expanded: 220px;
  flex: 0 0 var(--ds-sidebar-collapsed);
  width: var(--ds-sidebar-collapsed);
  min-height: 100vh;
  max-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  background: linear-gradient(180deg, #3a6ca8 0%, #2d5689 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  transition: width 0.22s ease, flex-basis 0.22s ease;
  overflow: hidden;
  z-index: 1030;
}

.ds-sidebar:hover,
.ds-sidebar.ds-sidebar-pinned {
  width: var(--ds-sidebar-expanded);
  flex-basis: var(--ds-sidebar-expanded);
  overflow: visible;
}

/* Scrollable middle; user block stays pinned below. */
.ds-sidebar-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Flex spacers center the nav cluster vertically. */
.ds-sidebar-spacer {
  flex: 1 1 0;
  min-height: 16px;
}
.ds-sidebar-spacer-bottom {
  flex: 1.15 1 0;
}

.ds-sidebar-mid {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 8px;
}

.ds-sidebar-toggle {
  flex: 0 0 auto;
  align-self: center;
  width: 34px;
  height: 34px;
  margin: 0 0 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: #d9d2c0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    transform 0.15s ease;
}
.ds-sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.18);
}
.ds-sidebar-toggle-icon-pinned {
  display: none;
}
.ds-sidebar-pinned .ds-sidebar-toggle-icon-open {
  display: none;
}
.ds-sidebar-pinned .ds-sidebar-toggle-icon-pinned {
  display: inline;
}
.ds-sidebar-pinned .ds-sidebar-toggle {
  background: rgba(212, 175, 55, 0.14);
  border-color: rgba(212, 175, 55, 0.32);
  color: #f3e9c6;
  transform: rotate(-18deg);
}

/* Primary nav items */
.ds-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  font-family: var(--ds-font-sans);
}

.ds-sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: var(--ds-text-base);
  font-weight: var(--ds-weight-medium);
  letter-spacing: 0.01em;
  color: #b8af9b !important;
  text-decoration: none !important;
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.ds-sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.08);
}
.ds-sidebar-nav-item-active {
  background: rgba(212, 175, 55, 0.14);
  color: #f3e9c6 !important;
  border-color: rgba(212, 175, 55, 0.28);
}
.ds-sidebar-nav-item-active:hover {
  background: rgba(212, 175, 55, 0.2);
  color: #fff5d8 !important;
}

.ds-sidebar-nav-icon {
  flex: 0 0 20px;
  width: 20px;
  font-size: var(--ds-icon-nav);
  text-align: center;
  opacity: 0.9;
}

.ds-sidebar-nav-label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.ds-sidebar:hover .ds-sidebar-nav-label,
.ds-sidebar.ds-sidebar-pinned .ds-sidebar-nav-label {
  opacity: 1;
  transform: translateX(0);
}

/* User block pinned to the bottom of the sidebar rail. */
.ds-sidebar-user {
  flex: 0 0 auto;
  flex-shrink: 0;
  position: relative;
  z-index: 1031;
  padding: 12px 8px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--ds-font-sans);
  font-size: var(--ds-text-sm);
  background: linear-gradient(180deg, rgba(45, 86, 137, 0.35) 0%, #2d5689 100%);
  overflow: visible;
}
.ds-sidebar-user .dropdown,
.ds-sidebar-sign-in {
  width: 100%;
  overflow: visible;
}
.ds-sidebar-user-toggle {
  display: flex !important;
  align-items: center;
  gap: 12px !important;
  width: 100%;
  min-height: 40px;
  padding: 8px 12px 8px 10px !important;
  border-radius: 10px !important;
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  color: #d9d2c0 !important;
  font-family: var(--ds-font-sans);
  font-size: var(--ds-text-sm) !important;
  font-weight: var(--ds-weight-medium);
  letter-spacing: 0.01em;
  box-shadow: none !important;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
/* Username may extend past the fixed-width tray when expanded. */
.ds-sidebar:hover .ds-sidebar-user-toggle,
.ds-sidebar.ds-sidebar-pinned .ds-sidebar-user-toggle {
  position: relative;
  z-index: 2;
  width: max-content;
  min-width: 100%;
  max-width: none;
  overflow: visible;
  padding-right: 14px !important;
  border-top-right-radius: 10px !important;
  border-bottom-right-radius: 10px !important;
  background: linear-gradient(180deg, #3a6ca8 0%, #2d5689 100%) !important;
  border-color: rgba(255, 255, 255, 0.14) !important;
  box-shadow: 6px 0 14px rgba(15, 23, 42, 0.18);
}
.ds-sidebar-user-toggle:hover,
.ds-sidebar-user-toggle:focus {
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(255, 255, 255, 0.16) !important;
  color: #ffffff !important;
}
.ds-sidebar:hover .ds-sidebar-user-toggle:hover,
.ds-sidebar:hover .ds-sidebar-user-toggle:focus,
.ds-sidebar.ds-sidebar-pinned .ds-sidebar-user-toggle:hover,
.ds-sidebar.ds-sidebar-pinned .ds-sidebar-user-toggle:focus {
  background: linear-gradient(180deg, #4576b1 0%, #356292 100%) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
}
.ds-sidebar-user-toggle::after {
  margin-left: auto;
  opacity: 0.7;
}
.ds-sidebar-user .dropdown-menu {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  min-width: 200px;
}
.ds-sidebar-user .dropdown-item {
  border-radius: 6px;
  padding: 8px 12px;
  font-size: var(--ds-text-base);
  font-family: var(--ds-font-sans);
  color: var(--ds-ink);
}
.ds-sidebar-user .dropdown-item:hover {
  background: var(--ds-parchment-mid);
}
.ds-user-email {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  vertical-align: middle;
  flex: 0 1 auto;
}
.ds-sidebar:hover .ds-user-email,
.ds-sidebar.ds-sidebar-pinned .ds-user-email {
  max-width: none;
  overflow: visible;
  text-overflow: unset;
  flex: 0 0 auto;
}
.ds-sidebar:hover .ds-sidebar-nav-label.ds-user-email,
.ds-sidebar.ds-sidebar-pinned .ds-sidebar-nav-label.ds-user-email {
  opacity: 1;
  transform: translateX(0);
}

/* --- Minimal header (wordmark only) -------------------------------- */
.ds-header-v2 {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px 12px;
  background: linear-gradient(180deg, #3a6ca8 0%, #2d5689 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 18px;
}
.ds-brand-lockup {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  padding: 4px 6px;
  border-radius: 6px;
  transition: opacity 0.15s ease;
}
.ds-brand-lockup:hover {
  opacity: 0.92;
}
.ds-wordmark {
  font-family: var(--ds-font-display);
  font-weight: 600;
  font-size: var(--ds-text-lg);
  letter-spacing: 0.32em;
  color: #f3eddc;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  padding-left: 0.32em;
  user-select: none;
  line-height: 1;
}

/* --- Impersonation banner ----------------------------------------- */
.ds-impersonation-banner:empty {
  display: none;
}
.ds-impersonation-banner .ds-impersonation-alert {
  border-radius: 0;
  border-left: none;
  border-right: none;
  padding: 10px 28px;
  font-family: var(--ds-font-sans);
  font-size: var(--ds-text-base);
}

/* Mobile: sidebar stays icon rail; main content gets full width */
@media (max-width: 640px) {
  .ds-sidebar {
    --ds-sidebar-collapsed: 48px;
  }
  .ds-sidebar:hover:not(.ds-sidebar-pinned) {
    width: var(--ds-sidebar-collapsed);
    flex-basis: var(--ds-sidebar-collapsed);
  }
  .ds-sidebar.ds-sidebar-pinned {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--ds-sidebar-expanded);
    flex-basis: var(--ds-sidebar-expanded);
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.25);
  }
  .ds-header-v2 {
    padding: 10px 14px 8px;
  }
  .ds-wordmark {
    font-size: var(--ds-text-lg);
    letter-spacing: 0.22em;
    padding-left: 0.22em;
  }
}