.assistant-fab {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  width: 3.5rem;
  height: 3.5rem;
  border: 0;
  border-radius: 50%;
  background: var(--mint);
  color: #042017;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.18s ease;
}

.assistant-fab:hover {
  transform: translateY(-2px) scale(1.03);
}

.assistant-fab:focus-visible {
  outline: 2px solid var(--foam);
  outline-offset: 3px;
}

.assistant-drawer {
  position: fixed;
  right: 1rem;
  bottom: 5rem;
  z-index: 59;
  width: min(420px, calc(100vw - 2rem));
  height: min(640px, calc(100dvh - 7rem));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.assistant-drawer[hidden] {
  display: none !important;
}

.assistant-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 18, 31, 0.9);
}

.assistant-drawer-head strong {
  font-family: var(--font-display);
}

.assistant-drawer-actions {
  display: flex;
  gap: 0.35rem;
}

.assistant-drawer-actions a,
.assistant-drawer-actions button {
  border: 1px solid var(--line);
  background: rgba(17, 38, 61, 0.85);
  color: var(--foam);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  text-decoration: none;
}

.assistant-drawer iframe {
  flex: 1;
  width: 100%;
  border: 0;
  background: var(--ink);
}

.hub-bar .btn-assistant-link {
  border: 1px solid rgba(61, 255, 194, 0.35);
  background: rgba(61, 255, 194, 0.1);
  color: var(--mint);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
}

.hub-bar .btn-assistant-link:hover {
  background: rgba(61, 255, 194, 0.18);
}

.hub-page .assistant-fab {
  display: none !important;
}

body.is-guest .assistant-fab,
body.is-guest .assistant-drawer,
body.is-booting:not(.is-authed) .assistant-fab,
body.is-booting:not(.is-authed) .assistant-drawer {
  display: none !important;
}

@media (max-width: 560px) {
  .assistant-drawer {
    right: 0.5rem;
    left: 0.5rem;
    width: auto;
    bottom: 4.75rem;
    height: min(70dvh, 520px);
  }
}