.drawer__toggle.btn {
  inline-size: clamp(var(--control-h), 8vw, var(--control-h-touch));
  block-size: clamp(var(--control-h), 8vw, var(--control-h-touch));
  min-block-size: 0;
  max-inline-size: none;
  margin-inline-start: calc((var(--icon-xl) - clamp(var(--control-h), 8vw, var(--control-h-touch))) / 2);
  margin-inline-end: calc(var(--space-4) - var(--space-3) - (clamp(var(--control-h), 8vw, var(--control-h-touch)) - var(--icon-xl)) / 2);
  padding: 0;
  justify-content: center;
  border-color: transparent;
  background: transparent;
}

.drawer__toggle svg,
.drawer__close svg {
  inline-size: var(--icon-xl);
  block-size: var(--icon-xl);
}

.drawer {
  --tone-on-dark: var(--color-topbar-text);
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  visibility: hidden;
  transition: visibility 0s linear 280ms;
}

.drawer--open {
  visibility: visible;
  transition: none;
}

.drawer__scrim {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-scrim);
  opacity: 0;
  transition: opacity 280ms var(--ease-out);
}

.drawer--open .drawer__scrim {
  opacity: 1;
}

.drawer__panel {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: var(--space-section);
  inline-size: min(var(--drawer-w), calc(100vw - var(--space-12)));
  padding: var(--space-card);
  background: var(--color-topbar);
  color: var(--color-topbar-text);
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%);
  transition: transform 280ms var(--ease-out);
}

.drawer--open .drawer__panel {
  transform: none;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.drawer__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.drawer__logo {
  inline-size: auto;
  block-size: var(--space-8);
}

.drawer__close.btn {
  inline-size: clamp(var(--control-h), 8vw, var(--control-h-touch));
  block-size: clamp(var(--control-h), 8vw, var(--control-h-touch));
  min-block-size: 0;
  padding: 0;
  justify-content: center;
  border-color: transparent;
  background: transparent;
}

.drawer__new {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-block-size: var(--control-h-touch);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-topbar-surface);
  box-shadow: inset 0 0 0 1px var(--color-topbar-border);
  font-weight: var(--weight-semibold);
}

.drawer__new svg {
  inline-size: var(--icon-lg);
  block-size: var(--icon-lg);
  margin-inline: calc((var(--icon-xl) - var(--icon-lg)) / 2);
  color: var(--tone-on-dark);
}

.drawer__scroll {
  display: grid;
  align-content: start;
  gap: var(--space-section);
  min-block-size: 0;
  margin-inline: calc(var(--space-3) * -1);
  padding-inline: var(--space-3);
  overflow-y: auto;
  scrollbar-color: var(--color-topbar-border-strong) transparent;
}

.drawer__group {
  display: grid;
  gap: var(--space-hair);
}

.drawer__label {
  padding: 0 var(--space-3) var(--space-2);
  color: var(--color-topbar-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
}

.drawer__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  min-block-size: var(--control-h-touch);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}

.drawer__item svg {
  inline-size: var(--icon-xl);
  block-size: var(--icon-xl);
  color: var(--tone-on-dark);
}

.drawer__item--active {
  background: var(--color-topbar-surface);
  font-weight: var(--weight-semibold);
}

.drawer__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drawer__item--recent .drawer__name {
  opacity: 0.85;
}

@media (hover: hover) {
  .drawer__toggle.btn:hover,
  .drawer__close.btn:hover {
    border-color: transparent;
    background: var(--color-topbar-surface);
    color: var(--color-topbar-text);
  }

  .drawer__item:hover,
  .drawer__new:hover {
    background: var(--color-topbar-surface);
  }
}

@media (prefers-reduced-motion: reduce) {
  .drawer__panel,
  .drawer__scrim {
    transition: none;
  }
}