:root {
  --assistant-max: 920px;
}

/* Screen-reader-only text (used for assistant label) */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* --- BnO: IA assistant strip (MX) --- */
.bno-assistant-strip {
  position: relative;
  z-index: 6;
  padding: 64px max(24px, calc((100vw - var(--page-max, var(--site-max, 1180px))) / 2));
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 142, 61, 0.14), transparent 55%),
    radial-gradient(circle at 90% 30%, rgba(255, 205, 64, 0.14), transparent 55%),
    radial-gradient(circle at 60% 90%, rgba(255, 114, 139, 0.10), transparent 55%),
    var(--bno-paper);
}

.assistant-shell {
  display: grid;
  gap: 18px;
  max-width: var(--assistant-max);
  margin-left: auto;
  margin-right: auto;
}

.assistant-eyebrow {
  margin: 0 0 10px;
  width: fit-content;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(16, 16, 16, 0.14);
  background: rgba(255,255,255,0.72);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: min(var(--assistant-max), 100%);
  flex-wrap: wrap;
}

.assistant-eyebrow-tag {
  font-size: 12px;
  font-weight: 850;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

.assistant-eyebrow-text {
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-transform: none;
}

.assistant-card {
  background: transparent;
}

.assistant-messages {
  padding: 18px 18px 6px;
  max-height: 220px;
  overflow: auto;
}

.assistant-msg {
  border: 1px solid rgba(16, 16, 16, 0.12);
  background: rgba(255,255,255,0.88);
  border-radius: 14px;
  padding: 14px 14px 12px;
  margin-bottom: 12px;
}

.assistant-msg p {
  margin: 0;
}

.assistant-msg p + p {
  margin-top: 10px;
}

.assistant-note {
  margin-top: 10px;
  color: rgba(0,0,0,0.62);
  font-size: 13px;
}

.assistant-msg-user {
  border-color: rgba(255, 142, 61, 0.28);
  background: rgba(255, 142, 61, 0.10);
}

.assistant-input {
  padding: 0;
}

.assistant-composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 16px;
  border-radius: 22px;
  background: var(--bno-slack-black);
  box-shadow: 0 16px 36px rgba(0,0,0,0.18);
}

.assistant-composer textarea {
  width: 100%;
  resize: none;
  min-height: 22px;
  max-height: 44px;
  overflow: auto;
  border: 0;
  background: transparent;
  color: var(--bno-paper);
  padding: 0;
  font: inherit;
  line-height: 1.35;
}

.assistant-composer textarea::placeholder {
  color: rgba(255,255,255,0.62);
}

.assistant-composer textarea:focus-visible {
  outline: none;
}

.assistant-send {
  position: relative;
  height: 46px;
  width: 46px;
  border-radius: 999px;
  border: 0;
  background: var(--bno-paper);
  color: var(--bno-slack-black);
  font-weight: 900;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 180ms var(--ease-out), background 180ms var(--ease-out);
}

.assistant-send-icon {
  font-size: 18px;
  line-height: 1;
  transform: translateY(-1px);
}

.assistant-send-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  background: rgba(0,0,0,0.92);
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 150ms var(--ease-out), transform 150ms var(--ease-out);
  white-space: nowrap;
  box-shadow: 0 14px 30px rgba(0,0,0,0.18);
}

.assistant-send-tooltip-icon {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.12);
  font-size: 13px;
}

.assistant-send:hover,
.assistant-send:focus-visible {
  transform: translateY(-1px);
  outline: none;
  background: var(--bno-soft-orange);
}

.assistant-send:hover .assistant-send-tooltip,
.assistant-send:focus-visible .assistant-send-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.assistant-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.assistant-cta-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 6px;
}

@media (max-width: 860px) {
  .bno-assistant-strip {
    padding-top: 42px;
    padding-bottom: 42px;
  }
  .assistant-send-tooltip {
    display: none;
  }
}