*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background:
    radial-gradient(circle at 12% 0%, #cfe8f9 0%, transparent 42%),
    radial-gradient(circle at 88% 8%, #a5f3fc 0%, transparent 38%),
    var(--color-bg);
  line-height: 1.45;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 2;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-brand {
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

.site-header__link {
  margin-right: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

.site-header__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.site-header__quota {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4);
}

.banner {
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-warn-bg);
  color: var(--color-warn-ink);
  border: 1px solid color-mix(in srgb, var(--color-warn-ink) 25%, transparent);
  border-radius: var(--radius);
}

.chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 18rem);
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 800px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }
}

.chat-main,
.chat-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.chat-controls {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.chat-controls__clear {
  justify-self: start;
}

.selection-status {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: color-mix(in srgb, var(--color-cyan) 12%, white);
  border: 1px solid color-mix(in srgb, var(--color-cyan) 35%, var(--color-line));
  border-radius: var(--radius);
  color: var(--color-ink);
  font-size: 0.95rem;
}

.applied-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

fieldset.applied-filters {
  min-width: 0;
  padding: 0;
  border: 0;
}

.applied-filters--empty {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.applied-filters__lead {
  font-weight: 600;
  font-size: 0.9rem;
}

/* float takes the legend out of the fieldset border so it lays out inline like other flex items */
legend.applied-filters__lead {
  float: left;
  padding: 0;
}

.applied-filters__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.applied-filters__chip {
  position: relative;
  display: inline-flex;
  gap: 0.35rem;
  align-items: baseline;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #f8fbff;
  font-size: 0.85rem;
}

.applied-filters__label {
  font-weight: 600;
  color: var(--color-accent);
}

.applied-filters__label::after {
  content: ":";
}

.applied-filters__value {
  color: var(--color-ink);
}

/* visually hidden but focusable: the «×» label is the visible control */
.applied-filters__toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.applied-filters__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  align-self: center;
  min-width: 24px;
  min-height: 24px;
  padding: 0 var(--space-1);
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.applied-filters__remove:hover {
  color: var(--color-accent);
  border-color: var(--color-line);
}

.applied-filters__toggle:focus-visible ~ .applied-filters__remove {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.applied-filters__toggle:checked ~ .applied-filters__label,
.applied-filters__toggle:checked ~ .applied-filters__value {
  text-decoration: line-through;
}

.applied-filters__toggle:checked ~ .applied-filters__remove {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.applied-filters__chip:has(.applied-filters__toggle:checked) {
  opacity: 0.6;
}

.applied-filters__hint {
  flex-basis: 100%;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
  min-height: 8rem;
}

.messages__empty {
  color: var(--color-muted);
  margin: 0;
}

.msg {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.msg--user {
  background: var(--color-user-bg);
}

.msg--assistant {
  background: var(--color-assistant-bg);
}

.msg__head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: baseline;
  margin-bottom: var(--space-2);
  font-size: 0.85rem;
}

.msg__role {
  font-weight: 650;
}

.msg__status {
  color: var(--color-status);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.msg__body {
  white-space: pre-wrap;
}

.msg__note {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.clarify {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
}

.clarify__lead {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
}

.clarify__facets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.clarify__facet {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  background: color-mix(in srgb, var(--color-cyan) 6%, white);
}

.clarify__facet-summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-accent);
}

.clarify__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.clarify noscript {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.85rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-ink);
  border-radius: var(--radius);
  padding: 0.45rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--color-accent);
}

.btn--secondary {
  background: transparent;
}

.btn--clarify {
  background: color-mix(in srgb, var(--color-accent) 12%, white);
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-line));
}

.chat-form {
  display: grid;
  gap: var(--space-2);
}

.chat-form__label {
  font-weight: 600;
}

.chat-form__input {
  width: 100%;
  resize: vertical;
  min-height: 4.5rem;
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font: inherit;
  background: #f8fbff;
}

.chat-form__submit {
  justify-self: start;
  appearance: none;
  border: none;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.chat-form__submit:hover {
  filter: brightness(1.05);
}

.cards {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: #f8fbff;
}

.card--unavailable {
  opacity: 0.85;
}

.card__name {
  font-weight: 650;
}

.card__price {
  margin-top: var(--space-1);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-price);
  letter-spacing: 0.01em;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.card__id,
.card__attrs {
  margin-top: var(--space-1);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.card__attrs {
  list-style: none;
  padding: 0;
}

.cards__truncation {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.trace {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.trace summary {
  cursor: pointer;
  color: var(--color-status);
}

.trace__dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-3);
  margin: var(--space-2) 0;
}

.trace__dl dt {
  font-weight: 600;
}

.trace__dl code,
.trace__tools code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  word-break: break-word;
}

.trace__tools {
  margin: 0;
  padding-left: 1.2rem;
}

.hints__title {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
}

.hints__title + .hints__title,
.hints__list + .hints__title,
.hints__empty + .hints__title,
.hints__filters + .hints__title {
  margin-top: var(--space-4);
}

.hints__list,
.hints__filters,
.hints__values {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hints__list li,
.hints__facet {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-line);
}

.hints__label {
  display: block;
  font-weight: 600;
}

.hints__meta,
.hints__empty {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.hints__facet-label {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.hints__values li {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.results-page__back {
  margin: 0 0 var(--space-3);
}

.results-page__title {
  margin: 0 0 var(--space-2);
  font-size: 1.35rem;
}

.results-page__meta,
.results-page__empty {
  color: var(--color-muted);
  margin: 0 0 var(--space-4);
}

.results-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.results-table th,
.results-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.results-table th {
  background: color-mix(in srgb, var(--color-cyan) 10%, white);
  font-weight: 650;
}

.results-table tr:last-child td {
  border-bottom: none;
}

.results-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.results-pager__status {
  color: var(--color-muted);
  font-size: 0.9rem;
}