/* Hallmark · component: search + AI assistant · genre: modern-minimal · theme: inherited Coral
 * states: default · hover · focus · active · disabled · loading · error · success
 * contrast: pass (40–41) · pre-emit critique: P5 H5 E5 S5 R5 V5
 */

.bbi-assistant-root,
.bbi-search-trigger {
  --ai-paper: var(--color-surface, oklch(99.2% 0.007 72));
  --ai-paper-2: var(--color-paper-2, oklch(95% 0.018 68));
  --ai-paper-3: var(--color-paper-3, oklch(91% 0.026 64));
  --ai-ink: var(--color-ink, oklch(20% 0.025 255));
  --ai-ink-2: var(--color-ink-2, oklch(29% 0.026 254));
  --ai-muted: var(--color-muted, oklch(43% 0.022 252));
  --ai-rule: var(--color-rule, oklch(84% 0.018 70));
  --ai-rule-strong: var(--color-rule-strong, oklch(68% 0.025 68));
  --ai-accent: var(--color-accent, oklch(54% 0.17 28));
  --ai-accent-dark: var(--color-accent-dark, oklch(43% 0.15 28));
  --ai-accent-ink: var(--color-accent-ink, oklch(98% 0.012 72));
  --ai-focus: var(--color-focus, oklch(40% 0.18 258));
  --ai-success: var(--color-success, oklch(40% 0.11 155));
  --ai-error: var(--color-error, oklch(48% 0.19 28));
  --ai-shadow: oklch(20% 0.025 255 / 0.16);
  --ai-shadow-soft: oklch(20% 0.025 255 / 0.08);
  --ai-backdrop: oklch(20% 0.025 255 / 0.56);
  --ai-ink-glass: oklch(98% 0.012 72 / 0.08);
  --ai-ink-glass-rule: oklch(98% 0.012 72 / 0.2);
  --ai-font-display: var(--font-display, sans-serif);
  --ai-font-body: var(--font-body, sans-serif);
  --ai-space-2xs: var(--space-2xs, 0.25rem);
  --ai-space-xs: var(--space-xs, 0.5rem);
  --ai-space-sm: var(--space-sm, 0.75rem);
  --ai-space-md: var(--space-md, 1rem);
  --ai-space-lg: var(--space-lg, 1.5rem);
  --ai-radius-xs: var(--radius-xs, 0.375rem);
  --ai-radius-sm: var(--radius-sm, 0.625rem);
  --ai-radius-md: var(--radius-md, 1rem);
  --ai-radius-lg: var(--radius-lg, 1.5rem);
  --ai-ease: var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
  --ai-duration: var(--dur-short, 220ms);
  font-family: var(--ai-font-body);
  position: relative;
  z-index: 9998;
}

.bbi-sr {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.bbi-assistant-root svg,
.bbi-search-trigger svg {
  fill: none;
  height: 1.25rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 1.25rem;
}

.bbi-search-trigger {
  align-items: center;
  background: var(--ai-paper);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-sm);
  color: var(--ai-ink-2);
  cursor: pointer;
  display: none;
  font: 650 0.875rem/1 var(--ai-font-body);
  gap: var(--ai-space-xs);
  min-height: 2.75rem;
  padding: var(--ai-space-sm);
  transition: background-color var(--ai-duration) var(--ai-ease), border-color var(--ai-duration) var(--ai-ease), transform 120ms var(--ai-ease);
  white-space: nowrap;
}

.bbi-search-trigger kbd {
  background: var(--ai-paper-2);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-xs);
  color: var(--ai-muted);
  font: 600 0.6875rem/1 var(--ai-font-body);
  padding: 0.3rem 0.38rem;
}

.bbi-search-trigger[data-bbi-injected="true"] {
  display: inline-flex;
}

.bbi-search-trigger:active {
  transform: translateY(1px);
}

.bbi-search-trigger:focus-visible,
.bbi-icon-button:focus-visible,
.bbi-search__result:focus-visible,
.bbi-chat button:focus-visible,
.bbi-chat textarea:focus-visible {
  outline: 2px solid var(--ai-focus);
  outline-offset: 3px;
}

.bbi-search {
  background: transparent;
  border: 0;
  color: var(--ai-ink);
  height: fit-content;
  inset: 0;
  margin: auto;
  max-height: min(82dvh, 48rem);
  max-width: min(56rem, calc(100% - 2rem));
  padding: 0;
  position: fixed;
  width: 100%;
}

.bbi-search::backdrop {
  background: var(--ai-backdrop);
  backdrop-filter: blur(8px);
}

.bbi-search__frame {
  background: var(--ai-paper);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-lg);
  box-shadow: 0 1.5rem 4rem var(--ai-shadow), inset 0 1px 0 var(--ai-paper);
  max-height: min(82dvh, 48rem);
  overflow: hidden;
}

.bbi-search[open] .bbi-search__frame {
  animation: bbi-panel-in 220ms var(--ai-ease) both;
}

.bbi-search__input-row {
  align-items: center;
  border-block-end: 1px solid var(--ai-rule);
  display: grid;
  gap: var(--ai-space-sm);
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 5rem;
  padding-inline: var(--ai-space-md);
}

.bbi-search__input-row > svg {
  color: var(--ai-accent-dark);
  height: 1.5rem;
  width: 1.5rem;
}

.bbi-search__input-row input {
  background: transparent;
  border: 0;
  color: var(--ai-ink);
  font: 650 clamp(1.05rem, 3vw, 1.35rem)/1.3 var(--ai-font-body);
  min-width: 0;
  outline: 0;
  padding: var(--ai-space-md) 0;
}

.bbi-search__input-row input::placeholder {
  color: var(--ai-muted);
  opacity: 0.78;
}

.bbi-icon-button {
  align-items: center;
  background: var(--ai-paper-2);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-xs);
  color: var(--ai-ink-2);
  cursor: pointer;
  display: inline-flex;
  height: 2.75rem;
  justify-content: center;
  padding: 0;
  transition: background-color var(--ai-duration) var(--ai-ease), color var(--ai-duration) var(--ai-ease), transform 120ms var(--ai-ease);
  width: 2.75rem;
}

.bbi-search__close span {
  font-size: 0.6875rem;
  font-weight: 700;
}

.bbi-search__meta {
  align-items: center;
  color: var(--ai-muted);
  display: flex;
  font-size: 0.6875rem;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.08em;
  padding: var(--ai-space-sm) var(--ai-space-md);
  text-transform: uppercase;
}

.bbi-search__results {
  max-height: min(56dvh, 34rem);
  min-height: 16rem;
  overflow-y: auto;
  padding: 0 var(--ai-space-xs) var(--ai-space-sm);
  scrollbar-color: var(--ai-rule-strong) transparent;
}

.bbi-search__result {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--ai-radius-md);
  color: var(--ai-ink);
  cursor: pointer;
  display: grid;
  gap: var(--ai-space-md);
  grid-template-columns: minmax(5rem, 0.65fr) minmax(0, 3fr) auto;
  min-height: 5rem;
  padding: var(--ai-space-sm) var(--ai-space-md);
  text-align: start;
  text-decoration: none;
  transition: background-color var(--ai-duration) var(--ai-ease), border-color var(--ai-duration) var(--ai-ease), transform 120ms var(--ai-ease);
}

.bbi-search__result[aria-selected="true"] {
  background: var(--ai-paper-2);
  border-color: var(--ai-rule);
}

.bbi-search__type {
  color: var(--ai-accent-dark);
  font-size: 0.6875rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bbi-search__copy {
  min-width: 0;
}

.bbi-search__copy strong {
  display: block;
  font: 700 1rem/1.25 var(--ai-font-display);
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
}

.bbi-search__copy span {
  color: var(--ai-muted);
  display: block;
  font-size: 0.8125rem;
  line-height: 1.45;
  margin-block-start: var(--ai-space-2xs);
}

.bbi-search__arrow {
  align-items: center;
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-xs);
  display: inline-flex;
  height: 2.25rem;
  justify-content: center;
  width: 2.25rem;
}

.bbi-search__empty,
.bbi-search__loading {
  align-items: center;
  color: var(--ai-muted);
  display: flex;
  flex-direction: column;
  gap: var(--ai-space-sm);
  justify-content: center;
  min-height: 16rem;
  padding: var(--ai-space-lg);
  text-align: center;
}

.bbi-search__loading::before,
.bbi-message--loading .bbi-message__mark::after {
  animation: bbi-spin 700ms linear infinite;
  border: 2px solid var(--ai-rule);
  border-block-start-color: var(--ai-accent);
  border-radius: 50%;
  content: "";
  height: 1.25rem;
  width: 1.25rem;
}

.bbi-search__footer {
  align-items: center;
  background: var(--ai-ink);
  color: var(--ai-paper);
  display: flex;
  font-size: 0.75rem;
  gap: var(--ai-space-md);
  justify-content: space-between;
  min-height: 3rem;
  padding-inline: var(--ai-space-md);
}

.bbi-search__footer button {
  background: transparent;
  border: 0;
  color: var(--ai-accent-ink);
  cursor: pointer;
  font: 700 0.75rem/1 var(--ai-font-body);
  padding: var(--ai-space-sm) 0;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.bbi-chat-launcher {
  align-items: center;
  background: var(--ai-ink);
  border: 1px solid var(--ai-ink);
  border-radius: var(--ai-radius-md) var(--ai-radius-md) var(--ai-radius-xs) var(--ai-radius-md);
  bottom: max(1rem, env(safe-area-inset-bottom));
  box-shadow: 0 0.75rem 2.25rem var(--ai-shadow);
  color: var(--ai-paper);
  cursor: pointer;
  display: flex;
  gap: var(--ai-space-sm);
  min-height: 3.75rem;
  padding: var(--ai-space-xs) var(--ai-space-md) var(--ai-space-xs) var(--ai-space-xs);
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  transition: box-shadow var(--ai-duration) var(--ai-ease), transform var(--ai-duration) var(--ai-ease);
  z-index: 9998;
}

.bbi-chat-launcher__glyph {
  align-items: center;
  background: var(--ai-accent);
  border-radius: var(--ai-radius-sm);
  color: var(--ai-accent-ink);
  display: inline-flex;
  height: 2.75rem;
  justify-content: center;
  transform: rotate(-3deg);
  width: 2.75rem;
}

.bbi-chat-launcher__copy {
  display: grid;
  line-height: 1.1;
  text-align: start;
}

.bbi-chat-launcher__copy strong {
  font-family: var(--ai-font-display);
  font-size: 0.9375rem;
}

.bbi-chat-launcher__copy small {
  color: var(--ai-paper-3);
  font-size: 0.6875rem;
  margin-block-start: var(--ai-space-2xs);
}

.bbi-chat-launcher:active {
  transform: translateY(1px);
}

.bbi-chat {
  background: var(--ai-paper);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-lg) var(--ai-radius-lg) var(--ai-radius-xs) var(--ai-radius-lg);
  bottom: max(5.5rem, calc(env(safe-area-inset-bottom) + 5.5rem));
  box-shadow: 0 1.5rem 4rem var(--ai-shadow), 0 0 0 1px var(--ai-shadow-soft);
  color: var(--ai-ink-2);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  max-height: min(44rem, calc(100dvh - 7rem));
  max-width: calc(100% - 2rem);
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  transform: translateY(0.75rem) scale(0.985);
  transition: opacity var(--ai-duration) var(--ai-ease), transform var(--ai-duration) var(--ai-ease);
  visibility: hidden;
  width: 25rem;
  z-index: 9999;
}

.bbi-chat.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.bbi-chat__header {
  align-items: center;
  background: var(--ai-ink);
  color: var(--ai-paper);
  display: flex;
  justify-content: space-between;
  min-height: 4.5rem;
  padding: var(--ai-space-sm) var(--ai-space-md);
}

.bbi-chat__header .bbi-icon-button {
  background: var(--ai-ink-glass);
  border-color: var(--ai-ink-glass-rule);
  color: var(--ai-paper);
}

.bbi-chat__identity {
  align-items: center;
  display: flex;
  gap: var(--ai-space-sm);
}

.bbi-chat__identity > div {
  display: grid;
}

.bbi-chat__identity strong {
  font: 700 1rem/1.25 var(--ai-font-display);
  letter-spacing: -0.02em;
}

.bbi-chat__identity span:not(.bbi-chat__signal) {
  align-items: center;
  color: var(--ai-paper-3);
  display: flex;
  font-size: 0.6875rem;
  gap: var(--ai-space-2xs);
  margin-block-start: var(--ai-space-2xs);
}

.bbi-chat__identity span:not(.bbi-chat__signal) i {
  background: var(--ai-success);
  border-radius: 50%;
  height: 0.4rem;
  width: 0.4rem;
}

.bbi-chat__signal {
  align-items: end;
  background: var(--ai-accent);
  border-radius: var(--ai-radius-sm);
  color: var(--ai-accent-ink);
  display: flex;
  gap: 0.15rem;
  height: 2.75rem;
  justify-content: center;
  padding-block: 0.72rem;
  transform: rotate(-3deg);
  width: 2.75rem;
}

.bbi-chat__signal i {
  background: currentColor;
  border-radius: var(--ai-radius-xs);
  display: block;
  height: 35%;
  width: 0.18rem;
}

.bbi-chat__signal i:nth-child(2) {
  height: 75%;
}

.bbi-chat__signal i:nth-child(3) {
  height: 52%;
}

.bbi-chat__source {
  align-items: start;
  background: var(--ai-paper-2);
  border-block-end: 1px solid var(--ai-rule);
  color: var(--ai-muted);
  display: grid;
  font-size: 0.6875rem;
  gap: var(--ai-space-xs);
  grid-template-columns: auto minmax(0, 1fr);
  line-height: 1.45;
  padding: var(--ai-space-sm) var(--ai-space-md);
}

.bbi-chat__source span {
  background: var(--ai-accent);
  border-radius: var(--ai-radius-xs);
  color: var(--ai-accent-ink);
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.22rem 0.34rem;
}

.bbi-chat__source p {
  margin: 0;
}

.bbi-chat__messages {
  min-height: 15rem;
  overflow-y: auto;
  padding: var(--ai-space-lg) var(--ai-space-md);
  scrollbar-color: var(--ai-rule-strong) transparent;
}

.bbi-message {
  align-items: start;
  display: flex;
  gap: var(--ai-space-sm);
  margin-block-end: var(--ai-space-md);
}

.bbi-message__mark {
  align-items: center;
  background: var(--ai-ink);
  border-radius: var(--ai-radius-xs);
  color: var(--ai-paper);
  display: inline-flex;
  flex: 0 0 auto;
  font: 750 0.625rem/1 var(--ai-font-display);
  height: 2rem;
  justify-content: center;
  transform: rotate(-2deg);
  width: 2rem;
}

.bbi-message > div {
  min-width: 0;
}

.bbi-message p {
  background: var(--ai-paper-2);
  border: 1px solid var(--ai-rule);
  border-radius: var(--ai-radius-xs) var(--ai-radius-md) var(--ai-radius-md) var(--ai-radius-md);
  color: var(--ai-ink-2);
  font-size: 0.875rem;
  line-height: 1.58;
  margin: 0;
  max-width: 32ch;
  overflow-wrap: anywhere;
  padding: var(--ai-space-sm);
  white-space: pre-wrap;
}

.bbi-message p a {
  color: var(--ai-accent-dark);
  font-weight: 700;
}

.bbi-message__time {
  color: var(--ai-muted);
  display: block;
  font-size: 0.625rem;
  margin-block-start: var(--ai-space-2xs);
}

.bbi-message--user {
  flex-direction: row-reverse;
}

.bbi-message--user .bbi-message__mark {
  background: var(--ai-accent);
  color: var(--ai-accent-ink);
}

.bbi-message--user p {
  background: var(--ai-ink);
  border-color: var(--ai-ink);
  border-radius: var(--ai-radius-md) var(--ai-radius-xs) var(--ai-radius-md) var(--ai-radius-md);
  color: var(--ai-paper);
}

.bbi-message--user .bbi-message__time {
  text-align: end;
}

.bbi-message--error p {
  background: var(--ai-paper);
  border-color: var(--ai-error);
}

.bbi-message--success p {
  border-color: var(--ai-success);
}

.bbi-message--loading .bbi-message__mark {
  background: var(--ai-paper-2);
}

.bbi-message--loading .bbi-message__mark::after {
  height: 0.9rem;
  width: 0.9rem;
}

.bbi-chat__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ai-space-xs);
  margin-inline-start: 2.75rem;
}

.bbi-chat__suggestions button {
  background: var(--ai-paper);
  border: 1px solid var(--ai-rule-strong);
  border-radius: var(--ai-radius-sm);
  color: var(--ai-ink-2);
  cursor: pointer;
  font: 650 0.75rem/1 var(--ai-font-body);
  min-height: 2.5rem;
  padding: var(--ai-space-xs) var(--ai-space-sm);
  transition: background-color var(--ai-duration) var(--ai-ease), border-color var(--ai-duration) var(--ai-ease), transform 120ms var(--ai-ease);
  white-space: nowrap;
}

.bbi-chat__composer {
  background: var(--ai-paper);
  border-block-start: 1px solid var(--ai-rule);
  padding: var(--ai-space-sm) var(--ai-space-md) var(--ai-space-md);
}

.bbi-chat__composer > label {
  color: var(--ai-ink);
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  margin-block-end: var(--ai-space-xs);
}

.bbi-chat__field {
  align-items: end;
  background: var(--ai-paper-2);
  border: 1px solid var(--ai-rule-strong);
  border-radius: var(--ai-radius-md);
  display: grid;
  gap: var(--ai-space-xs);
  grid-template-columns: minmax(0, 1fr) auto;
  outline: 2px solid transparent;
  outline-offset: 1px;
  padding: var(--ai-space-xs);
}

.bbi-chat__field:focus-within {
  outline-color: var(--ai-focus);
}

.bbi-chat textarea {
  background: transparent;
  border: 0;
  color: var(--ai-ink);
  font: 500 0.875rem/1.45 var(--ai-font-body);
  max-height: 8rem;
  min-height: 2.75rem;
  outline: 0;
  padding: var(--ai-space-sm);
  resize: none;
  width: 100%;
}

.bbi-chat textarea::placeholder {
  color: var(--ai-muted);
}

.bbi-chat__field > button {
  align-items: center;
  background: var(--ai-accent);
  border: 1px solid var(--ai-accent);
  border-radius: var(--ai-radius-sm);
  color: var(--ai-accent-ink);
  cursor: pointer;
  display: inline-flex;
  height: 2.75rem;
  justify-content: center;
  transition: background-color var(--ai-duration) var(--ai-ease), transform 120ms var(--ai-ease);
  width: 2.75rem;
}

.bbi-chat__field > button:active {
  transform: translateY(1px);
}

.bbi-chat__field > button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.bbi-chat__composer > p {
  color: var(--ai-muted);
  font-size: 0.625rem;
  line-height: 1.4;
  margin: var(--ai-space-xs) 0 0;
}

@media (hover: hover) and (pointer: fine) {
  .bbi-search-trigger:hover,
  .bbi-icon-button:hover {
    background: var(--ai-paper-3);
    border-color: var(--ai-rule-strong);
  }

  .bbi-search__result:hover {
    background: var(--ai-paper-2);
    border-color: var(--ai-rule);
  }

  .bbi-chat-launcher:hover {
    box-shadow: 0 1rem 2.75rem var(--ai-shadow);
    transform: translateY(-2px);
  }

  .bbi-chat__suggestions button:hover {
    background: var(--ai-paper-2);
    border-color: var(--ai-accent-dark);
  }

  .bbi-chat__field > button:hover {
    background: var(--ai-accent-dark);
  }
}

@media (max-width: 47.99rem) {
  .bbi-search {
    height: 100dvh;
    max-height: 100dvh;
    max-width: 100%;
    width: 100%;
  }

  .bbi-search__frame {
    border: 0;
    border-radius: 0;
    height: 100dvh;
    max-height: 100dvh;
  }

  .bbi-search__results {
    max-height: calc(100dvh - 11rem);
  }

  .bbi-search__result {
    gap: var(--ai-space-sm);
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .bbi-search__type {
    grid-column: 1 / -1;
    margin-block-end: calc(var(--ai-space-xs) * -1);
  }

  .bbi-search__meta span:last-child,
  .bbi-search__footer > span {
    display: none;
  }

  .bbi-search__footer {
    justify-content: center;
  }

  .bbi-chat {
    border-radius: var(--ai-radius-lg) var(--ai-radius-lg) 0 0;
    bottom: 0;
    left: 0;
    max-height: min(88dvh, 46rem);
    max-width: 100%;
    right: 0;
    width: 100%;
  }

  .bbi-chat-launcher__copy {
    display: none;
  }

  .bbi-chat-launcher {
    padding: var(--ai-space-xs);
  }

  .bbi-chat__messages {
    min-height: 12rem;
  }
}

@media (max-width: 59.99rem) {
  .bbi-search-trigger kbd {
    display: none;
  }
}

@media (max-width: 29.99rem) {
  .bbi-search-trigger > span {
    display: none;
  }

  .bbi-next-nav__actions .bbi-search-trigger {
    align-items: center;
    background: var(--ai-paper);
    border: 1px solid var(--ai-rule);
    display: inline-flex;
    height: 2.75rem;
    justify-content: center;
    min-width: 2.75rem;
    padding: var(--ai-space-sm);
    width: 2.75rem;
  }

  .bbi-next-nav__actions .bbi-search-trigger svg {
    display: block;
    height: 1.25rem;
    width: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bbi-assistant-root *,
  .bbi-assistant-root *::before,
  .bbi-assistant-root *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@keyframes bbi-panel-in {
  from {
    opacity: 0;
    transform: translateY(0.5rem) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes bbi-spin {
  to {
    transform: rotate(360deg);
  }
}