.assistant-section {
  scroll-margin-top: 108px;
}

.assistant-heading {
  max-width: 760px;
}

.assistant-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 18px;
  margin-top: 30px;
}

.assistant-intro,
.assistant-chat {
  border: 1px solid rgba(20, 32, 48, 0.1);
  border-radius: var(--radius-panel, 34px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(243, 246, 247, 0.84));
  box-shadow: var(--shadow-soft, 0 18px 40px rgba(20, 32, 48, 0.04));
}

.assistant-intro {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 34px);
}

.assistant-intro__eyebrow {
  margin: 0 0 12px;
  color: var(--accent-deep, #0a7a70);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.assistant-intro h3 {
  margin: 0;
  color: var(--text-strong, #0f172a);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.assistant-intro > p:not(.assistant-intro__eyebrow, .assistant-status) {
  margin: 18px 0 0;
  color: var(--text-muted, #637080);
  line-height: 1.8;
}

.assistant-suggestions {
  display: grid;
  gap: 9px;
  margin-top: 26px;
}

.assistant-suggestion {
  width: 100%;
  border: 1px solid rgba(20, 32, 48, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text, #142030);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  padding: 12px 14px;
  text-align: left;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.assistant-suggestion:hover,
.assistant-suggestion:focus-visible {
  border-color: rgba(13, 148, 136, 0.42);
  box-shadow: 0 10px 24px rgba(13, 148, 136, 0.1);
  outline: none;
  transform: translateY(-1px);
}

.assistant-status {
  min-height: 24px;
  margin: auto 0 0;
  padding-top: 24px;
  color: var(--text-muted, #637080);
  font-size: 13px;
  line-height: 1.6;
}

.assistant-status[data-state="ready"] {
  color: var(--accent-deep, #0a7a70);
}

.assistant-status[data-state="warning"],
.assistant-status[data-state="error"] {
  color: #a24943;
}

.assistant-chat {
  display: grid;
  min-height: 500px;
  grid-template-rows: minmax(290px, 1fr) auto;
  overflow: hidden;
}

.assistant-messages {
  display: flex;
  min-height: 0;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(20px, 3vw, 32px);
  scrollbar-color: rgba(20, 32, 48, 0.22) transparent;
}

.assistant-message {
  max-width: min(88%, 680px);
  border-radius: 20px;
  font-size: 15px;
  line-height: 1.76;
  padding: 14px 16px;
  white-space: pre-wrap;
  word-break: break-word;
}

.assistant-message p {
  margin: 0;
}

.assistant-citation-audit {
  display: block;
  border-top: 1px solid rgba(20, 32, 48, 0.08);
  margin-top: 10px;
  padding-top: 8px;
  color: var(--accent-deep, #0a7a70);
  font-size: 11px;
  font-style: normal;
  font-weight: 750;
  line-height: 1.45;
}

.assistant-citation-audit[data-state="invalid"] {
  color: #a24943;
}

.assistant-message--assistant {
  align-self: flex-start;
  background: rgba(243, 246, 247, 0.98);
  color: var(--text, #142030);
}

.assistant-message--user {
  align-self: flex-end;
  background: var(--text-strong, #0f172a);
  color: #fff;
}

.assistant-message--pending {
  color: var(--text-muted, #637080);
  font-style: italic;
}

.assistant-sources {
  display: grid;
  gap: 7px;
  margin: -4px 0 4px;
}

.assistant-source {
  display: block;
  border: 1px solid rgba(20, 32, 48, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text, #142030);
  font-size: 12px;
  line-height: 1.55;
  padding: 10px 12px;
  text-decoration: none;
}

.assistant-source[href]:hover,
.assistant-source[href]:focus-visible {
  border-color: rgba(13, 148, 136, 0.42);
  outline: none;
}

.assistant-source strong,
.assistant-source span {
  display: block;
}

.assistant-source span {
  margin-top: 3px;
  color: var(--text-muted, #637080);
}

.assistant-source .assistant-source__path {
  color: var(--accent-deep, #0a7a70);
  font-size: 11px;
  font-weight: 700;
}

.assistant-form {
  border-top: 1px solid rgba(20, 32, 48, 0.1);
  background: rgba(255, 255, 255, 0.76);
  padding: 16px clamp(20px, 3vw, 30px) 20px;
}

.assistant-form textarea {
  display: block;
  width: 100%;
  min-height: 84px;
  resize: vertical;
  border: 1px solid rgba(20, 32, 48, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text, #142030);
  font: inherit;
  line-height: 1.6;
  padding: 13px 14px;
}

.assistant-form textarea:focus {
  border-color: var(--accent, #0d9488);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
  outline: none;
}

.assistant-form__actions,
.assistant-form__buttons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.assistant-form__actions {
  justify-content: space-between;
  margin-top: 12px;
}

.assistant-privacy {
  max-width: 390px;
  margin: 0;
  color: var(--text-muted, #637080);
  font-size: 12px;
  line-height: 1.55;
}

.assistant-form[aria-busy="true"] .assistant-suggestion,
.assistant-form[aria-busy="true"] textarea {
  opacity: 0.72;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 820px) {
  .assistant-layout {
    grid-template-columns: 1fr;
  }

  .assistant-chat {
    min-height: 460px;
  }
}

@media (max-width: 560px) {
  .assistant-form__actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .assistant-form__buttons {
    width: 100%;
  }

  .assistant-form__buttons .button {
    flex: 1 1 auto;
  }
}