.ungrid-ai-launcher {
  position: fixed;
  inset-inline-end: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 1100;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: #52d4c4;
  color: #071923;
  padding: 13px 18px;
  box-shadow: 0 10px 30px #0008;
  cursor: pointer;
  font: 700 14px Inter, sans-serif;
}

.ungrid-ai-dialog {
  position: fixed;
  inset-inline-end: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 1101;
  display: flex;
  width: min(400px, calc(100vw - 40px));
  height: min(38rem, calc(100dvh - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));
  max-height: calc(100dvh - 40px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #2d4658;
  border-radius: 16px;
  background: #071923;
  color: #edf6f5;
  box-shadow: 0 20px 60px #000b;
  font: 14px/1.5 Inter, sans-serif;
}

.ungrid-ai-dialog[hidden] { display: none; }

.ungrid-ai-dialog header {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid #2d4658;
  background: #0e2433;
  padding: 14px 16px;
}

.ungrid-ai-dialog header strong { display: block; }

.ungrid-ai-dialog header small {
  display: block;
  margin-top: 2px;
  color: #78e6d7;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ungrid-ai-dialog header button {
  display: grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  margin: -8px -8px -8px 0;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #edf6f5;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.ungrid-ai-launcher:focus-visible,
.ungrid-ai-dialog button:focus-visible,
.ungrid-ai-dialog input:focus-visible,
.ungrid-ai-cta:focus-visible {
  outline: 3px solid #52d4c4;
  outline-offset: 3px;
}

.ungrid-ai-log {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

.ungrid-ai-log p {
  margin: 0 0 10px;
  border-radius: 10px;
  background: #0e2433;
  padding: 10px 12px;
}

.ungrid-ai-log p.user { margin-left: 32px; background: #173448; }
.ungrid-ai-log p.assistant { margin-right: 18px; }

.ungrid-ai-dialog form {
  flex: 0 0 auto;
  border-top: 1px solid #2d4658;
  background: #071923;
  padding: 12px;
}

.ungrid-ai-dialog form > p {
  margin: 0 0 8px;
  color: #b8c8ce;
  font-size: 11px;
}

.ungrid-ai-dialog form > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.ungrid-ai-dialog input {
  min-width: 0;
  min-height: 44px;
  border: 1px solid #486170;
  border-radius: 8px;
  background: #0e2433;
  color: #fff;
  padding: 9px 11px;
  font: inherit;
}

.ungrid-ai-dialog form button,
.ungrid-ai-cta {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: #52d4c4;
  color: #071923;
  padding: 9px 12px;
  cursor: pointer;
  font-weight: 700;
}

.ungrid-ai-dialog form button:disabled,
.ungrid-ai-dialog input:disabled {
  cursor: wait;
  opacity: .65;
}

.ungrid-ai-cta {
  display: inline-flex;
  align-items: center;
  margin: 0 16px 16px;
  text-decoration: none;
}

.ungrid-ai-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

@media (max-width: 640px) {
  body.ungrid-ai-open { overflow: hidden; overscroll-behavior: none; }

  .ungrid-ai-launcher {
    inset-inline-end: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
  }

  .ungrid-ai-dialog {
    --ungrid-ai-sheet-edge: max(8px, env(safe-area-inset-top));
    top: calc(var(--ungrid-ai-viewport-top, 0px) + var(--ungrid-ai-sheet-edge));
    right: max(8px, env(safe-area-inset-right));
    bottom: auto;
    left: max(8px, env(safe-area-inset-left));
    width: auto;
    height: calc(var(--ungrid-ai-viewport-height, 100dvh) - var(--ungrid-ai-sheet-edge) - max(8px, env(safe-area-inset-bottom)));
    max-height: none;
    border-radius: 20px;
  }

  .ungrid-ai-dialog header { padding: 14px 16px 13px; }
  .ungrid-ai-dialog form { padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); }
  .ungrid-ai-dialog input { font-size: 16px; }
}

@media (max-width: 350px) {
  .ungrid-ai-dialog form > div { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .ungrid-ai-dialog,
  .ungrid-ai-launcher { scroll-behavior: auto; }
}