.bkhai-widget {
  --bkhai-navy: #123d6a;
  --bkhai-navy-dark: #0c2f55;
  --bkhai-gold: #d7a33d;
  --bkhai-text: #172333;
  --bkhai-muted: #5e6e82;
  --bkhai-surface: #ffffff;
  --bkhai-soft: #f5f8fc;
  --bkhai-border: #dce5ee;
  --bkhai-success: #24733a;
  --bkhai-danger: #9d2d2d;
  max-width: 980px;
  margin: 24px auto;
  overflow: hidden;
  border: 1px solid var(--bkhai-border);
  border-radius: 20px;
  background: var(--bkhai-surface);
  box-shadow: 0 18px 48px rgba(18, 61, 106, 0.10);
  color: var(--bkhai-text);
  font-family: inherit;
}

.bkhai-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 26px;
  border-bottom: 1px solid var(--bkhai-border);
  background: linear-gradient(135deg, #f5faff 0%, #fffaf0 100%);
}

.bkhai-header h2 {
  margin: 4px 0 7px;
  color: var(--bkhai-navy-dark);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.25;
}

.bkhai-header p {
  max-width: 760px;
  margin: 0;
  color: var(--bkhai-muted);
  font-size: 15px;
  line-height: 1.65;
}

.bkhai-kicker {
  color: var(--bkhai-navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.bkhai-readonly {
  flex: none;
  padding: 7px 11px;
  border: 1px solid #a8cfb1;
  border-radius: 999px;
  background: #eefaf1;
  color: var(--bkhai-success);
  font-size: 12px;
  font-weight: 800;
}

.bkhai-unavailable {
  margin: 22px;
  padding: 17px 18px;
  border: 1px solid #ead39b;
  border-radius: 13px;
  background: #fff8e5;
  line-height: 1.6;
}

.bkhai-messages {
  min-height: 220px;
  max-height: 620px;
  overflow: auto;
  padding: 22px 24px;
  background: var(--bkhai-soft);
  scroll-behavior: smooth;
}

.bkhai-message {
  margin: 0 0 16px;
  overflow-wrap: anywhere;
}

.bkhai-user {
  width: fit-content;
  max-width: 76%;
  margin-left: auto;
  padding: 13px 16px;
  border-radius: 16px 16px 5px 16px;
  background: linear-gradient(135deg, var(--bkhai-navy), var(--bkhai-navy-dark));
  box-shadow: 0 6px 18px rgba(18, 61, 106, 0.15);
  color: #ffffff;
  line-height: 1.58;
  white-space: pre-wrap;
}

.bkhai-assistant {
  width: 100%;
  max-width: 92%;
  overflow: hidden;
  border: 1px solid var(--bkhai-border);
  border-radius: 5px 16px 16px 16px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(23, 35, 51, 0.06);
}

.bkhai-message-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 50px;
  padding: 10px 14px;
  border-bottom: 1px solid #e8eef4;
  background: #fbfdff;
}

.bkhai-message-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.bkhai-message-avatar {
  display: inline-flex;
  flex: 0 0 34px;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--bkhai-navy), var(--bkhai-navy-dark));
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.bkhai-message-labels {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.bkhai-message-labels strong {
  overflow: hidden;
  color: var(--bkhai-navy-dark);
  font-size: 13px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bkhai-message-labels span {
  color: var(--bkhai-muted);
  font-size: 11px;
  line-height: 1.25;
}

.bkhai-copy-answer {
  flex: none;
  padding: 5px 9px;
  border: 1px solid #c7d5e3;
  border-radius: 8px;
  background: #ffffff;
  color: var(--bkhai-navy);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.bkhai-copy-answer:hover,
.bkhai-copy-answer:focus-visible {
  border-color: var(--bkhai-navy);
  background: #f2f7fc;
  outline: none;
}

.bkhai-copy-answer:disabled {
  opacity: 0.65;
  cursor: default;
}

.bkhai-message-content {
  padding: 17px 18px 18px;
  color: var(--bkhai-text);
  font-size: 15px;
  line-height: 1.72;
}

.bkhai-message-content > :first-child {
  margin-top: 0;
}

.bkhai-message-content > :last-child {
  margin-bottom: 0;
}

.bkhai-message-content p {
  margin: 0 0 13px;
}

.bkhai-message-content strong {
  color: var(--bkhai-navy-dark);
  font-weight: 800;
}

.bkhai-message-content em {
  color: #34465b;
}

.bkhai-message-content a {
  color: var(--bkhai-navy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.bkhai-message-content code {
  padding: 2px 6px;
  border: 1px solid #d8e2ec;
  border-radius: 6px;
  background: #f1f5f9;
  color: #243c56;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.bkhai-answer-heading {
  margin: 18px 0 8px;
  color: var(--bkhai-navy-dark);
  font-size: 17px;
  line-height: 1.4;
}

.bkhai-answer-list {
  display: grid;
  gap: 10px;
  margin: 10px 0 16px;
  padding-left: 25px;
}

.bkhai-answer-list li {
  padding-left: 4px;
}

.bkhai-answer-list li::marker {
  color: var(--bkhai-navy);
  font-weight: 800;
}

.bkhai-list-item-content {
  min-width: 0;
}

.bkhai-answer-callout {
  margin: 14px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--bkhai-gold);
  border-radius: 8px;
  background: #fff9ec;
  color: #4d4025;
}

.bkhai-assistant-error {
  border-color: #edc6c6;
}

.bkhai-assistant-error .bkhai-message-meta {
  border-bottom-color: #f0d6d6;
  background: #fff8f8;
}

.bkhai-assistant-error .bkhai-message-avatar {
  background: var(--bkhai-danger);
}

.bkhai-assistant-error .bkhai-message-content {
  color: #762626;
}

.bkhai-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--bkhai-muted);
}

.bkhai-loading-dots {
  display: inline-flex;
  gap: 4px;
}

.bkhai-loading-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bkhai-navy);
  animation: bkhai-pulse 1.2s infinite ease-in-out;
}

.bkhai-loading-dots i:nth-child(2) {
  animation-delay: 0.16s;
}

.bkhai-loading-dots i:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes bkhai-pulse {
  0%, 80%, 100% { opacity: 0.28; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.bkhai-quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 15px 22px 3px;
  border-top: 1px solid #edf1f5;
  background: #ffffff;
}

.bkhai-quick-prompts button {
  padding: 8px 12px;
  border: 1px solid #bfd0e0;
  border-radius: 999px;
  background: #f7fbff;
  color: #214c78;
  font: inherit;
  font-size: 13px;
  line-height: 1.35;
  cursor: pointer;
}

.bkhai-quick-prompts button:hover,
.bkhai-quick-prompts button:focus-visible {
  border-color: var(--bkhai-navy);
  background: #eaf4ff;
  outline: none;
}

.bkhai-form {
  padding: 16px 22px 22px;
  background: #ffffff;
}

.bkhai-form textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: 92px;
  padding: 13px 14px;
  resize: vertical;
  border: 1px solid #b8c5d2;
  border-radius: 13px;
  background: #ffffff;
  color: var(--bkhai-text);
  font: inherit;
  line-height: 1.55;
}

.bkhai-form textarea:focus {
  border-color: var(--bkhai-navy);
  box-shadow: 0 0 0 3px rgba(18, 61, 106, 0.12);
  outline: 0;
}

.bkhai-form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 11px;
}

.bkhai-form-actions small {
  max-width: 700px;
  color: var(--bkhai-muted);
  font-size: 12px;
  line-height: 1.5;
}

.bkhai-form-actions button {
  flex: none;
  padding: 11px 19px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--bkhai-navy), var(--bkhai-navy-dark));
  box-shadow: 0 7px 16px rgba(18, 61, 106, 0.18);
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.bkhai-form-actions button:hover,
.bkhai-form-actions button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 9px 20px rgba(18, 61, 106, 0.22);
  outline: none;
}

.bkhai-form-actions button:disabled {
  opacity: 0.55;
  transform: none;
  cursor: wait;
}

.bkhai-hotel-results {
  margin: 2px 0 20px;
}

.bkhai-results-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 2px 10px;
}

.bkhai-results-heading strong {
  color: var(--bkhai-navy-dark);
  font-size: 16px;
}

.bkhai-results-heading span {
  color: var(--bkhai-muted);
  font-size: 12px;
}

.bkhai-hotel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 13px;
}

.bkhai-hotel-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--bkhai-border);
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 7px 20px rgba(23, 35, 51, 0.05);
}

.bkhai-hotel-card h3 {
  margin: 0;
  color: var(--bkhai-navy-dark);
  font-size: 16px;
  line-height: 1.35;
}

.bkhai-hotel-meta,
.bkhai-hotel-policy {
  margin: 0;
  color: var(--bkhai-muted);
  font-size: 12px;
  line-height: 1.5;
}

.bkhai-hotel-price {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 3px;
}

.bkhai-hotel-price strong {
  color: var(--bkhai-navy-dark);
  font-size: 20px;
}

.bkhai-hotel-price span {
  color: var(--bkhai-muted);
  font-size: 11px;
}

.bkhai-hotel-cta {
  margin-top: auto;
  padding: 9px 12px;
  border-radius: 9px;
  background: #eef5fb;
  color: var(--bkhai-navy);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.bkhai-hotel-cta:hover,
.bkhai-hotel-cta:focus-visible {
  background: var(--bkhai-navy);
  color: #ffffff;
  outline: none;
}

.bkhai-admin-wrap {
  max-width: 1200px;
}

.bkhai-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.bkhai-status-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px;
  border: 1px solid #dcdcde;
  border-radius: 10px;
  background: #ffffff;
}

.bkhai-status-card .ok {
  color: #16733c;
  font-weight: 700;
}

.bkhai-status-card .off {
  color: #a05a00;
  font-weight: 700;
}

.bkhai-admin-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 14px;
  padding: 16px 22px 0;
}

.bkhai-admin-controls label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-weight: 600;
}

.bkhai-admin-controls select,
.bkhai-admin-controls input {
  min-width: 180px;
}

.bkhai-code {
  max-width: 900px;
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  background: #172333;
  color: #f4f7fb;
}

@media (max-width: 680px) {
  .bkhai-widget {
    margin: 16px 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .bkhai-header {
    flex-direction: column;
    padding: 19px 17px;
  }

  .bkhai-messages {
    padding: 16px 12px;
  }

  .bkhai-user {
    max-width: 88%;
  }

  .bkhai-assistant {
    max-width: 100%;
  }

  .bkhai-message-content {
    padding: 15px;
    font-size: 14px;
  }

  .bkhai-message-meta {
    padding: 9px 11px;
  }

  .bkhai-quick-prompts,
  .bkhai-form {
    padding-right: 15px;
    padding-left: 15px;
  }

  .bkhai-form-actions,
  .bkhai-results-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .bkhai-form-actions button {
    width: 100%;
  }

  .bkhai-results-heading {
    gap: 3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bkhai-messages {
    scroll-behavior: auto;
  }

  .bkhai-loading-dots i,
  .bkhai-form-actions button {
    animation: none;
    transition: none;
  }
}

.bkhai-consent-box {
  margin: 14px 0 0;
  padding: 13px 14px;
  border: 1px solid #d8c891;
  border-radius: 10px;
  background: #fffaf0;
  color: #4c4638;
  font-size: 13px;
  line-height: 1.55;
}

.bkhai-consent-box strong,
.bkhai-consent-box p,
.bkhai-consent-box label {
  display: block;
}

.bkhai-consent-box p {
  margin: 5px 0 8px;
}

.bkhai-consent-box label {
  font-weight: 650;
}

.bkhai-consent-box input[type="checkbox"] {
  margin-right: 7px;
}