/* site/exchange/exchange.css: the exchange page's own layer over
   /assets/craton-ui.css. Every color is a design-system token, so light and
   dark follow the shared stylesheet. Every card has one look: nothing here
   shades or marks one model differently from another, and a free model and
   one that needs access wear the same chip. Nothing fetches anything. */

.xm-page { background: var(--ui-bg); }
.xm { display: block; }

.xm-title {
  margin: 0 0 var(--ui-space-3);
  font-size: clamp(32px, 4.4vw, 48px); line-height: var(--ui-leading-tight);
  letter-spacing: var(--ui-tracking-display);
}
.xm-intro .ui-lede { max-width: 64ch; }
.xm-intro .ui-lede a { color: var(--ui-accent); text-underline-offset: 3px; }
.xm-send {
  display: inline-block; margin: var(--ui-space-4) 0 0; padding: 8px 14px;
  border-radius: var(--ui-radius-md); background: var(--ui-surface-2);
  font-size: var(--ui-type-small); font-weight: var(--ui-weight-semibold); color: var(--ui-ink);
}
.xm-noscript, .xm-empty, .xm-failed { max-width: 70ch; color: var(--ui-ink-2); }
.xm-empty, .xm-failed { margin: var(--ui-space-5) 0 0; }
.xm-empty[hidden], .xm-failed[hidden] { display: none; }
.xm-empty-lead { font-weight: var(--ui-weight-semibold); color: var(--ui-ink); }
.xm-empty a { color: var(--ui-accent); text-underline-offset: 3px; }
.xm-status { min-height: 1.4em; margin: var(--ui-space-5) 0 var(--ui-space-3); font-size: 15px; color: var(--ui-muted); }
.xm-status:empty { margin: 0; min-height: 0; }

/* ---------- the list ---------- */

.xm-list {
  list-style: none; margin: var(--ui-space-4) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 18px;
  align-items: start;
}
.xm-list:empty { display: none; }
.xm-model {
  display: flex; flex-direction: column; min-width: 0; padding: 22px 22px 18px;
  border-radius: var(--ui-radius-lg); background: var(--ui-surface);
  border: 1px solid var(--ui-line); box-shadow: var(--ui-shadow-1);
}
.xm-model { scroll-margin-top: 84px; }
.xm-model:target { outline: 2px solid var(--ui-accent); outline-offset: 3px; }
.xm-model-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.xm-name {
  margin: 0; font: 660 21px/1.25 var(--ui-font-display); letter-spacing: -0.015em;
  color: var(--ui-ink); overflow-wrap: anywhere;
}
.xm-version { font: var(--ui-weight-medium) 13px/1.3 var(--ui-font-mono); color: var(--ui-muted); }
.xm-by { margin: 4px 0 0; font-size: 15.5px; font-weight: var(--ui-weight-semibold); color: var(--ui-ink-2); }
.xm-access {
  align-self: flex-start; margin: 12px 0 0; padding: 4px 12px; border-radius: var(--ui-radius-pill);
  background: var(--ui-surface-2); font-size: 13.5px; font-weight: var(--ui-weight-medium); color: var(--ui-ink-2);
}
.xm-facts {
  display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 14px;
  margin: 14px 0 0; font-size: 14.5px; line-height: 1.45;
}
.xm-facts dt { color: var(--ui-muted); }
.xm-facts dd { margin: 0; color: var(--ui-ink); overflow-wrap: anywhere; }
.xm-summary { margin: 14px 0 0; font-size: 15.5px; line-height: 1.5; color: var(--ui-ink-2); }
.xm-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding-top: 18px; }

/* the model card, opened in place */
.xm-detail { margin: 14px 0 0; border-top: 1px solid var(--ui-line); padding-top: 10px; }
.xm-detail > summary {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 0; cursor: pointer; list-style: none;
  font: var(--ui-weight-medium) 15px/1.3 var(--ui-font-text); color: var(--ui-ink-2);
}
.xm-detail > summary::-webkit-details-marker { display: none; }
.xm-detail > summary::before {
  content: ""; width: 7px; height: 7px; margin-right: 2px; border: solid currentColor; border-width: 0 1.8px 1.8px 0;
  transform: rotate(-45deg); transition: transform var(--ui-dur) var(--ui-ease);
}
.xm-detail[open] > summary::before { transform: rotate(45deg); }
.xm-detail > summary:hover { color: var(--ui-ink); }
.xm-detail > summary:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: 3px; border-radius: 6px; }
.xm-detail-body { padding: 4px 0 0; }
.xm-card-head { margin: 12px 0 4px; font-size: 14.5px; font-weight: var(--ui-weight-semibold); color: var(--ui-ink); }
.xm-card-list { margin: 0; padding-left: 20px; font-size: 14.5px; line-height: 1.5; color: var(--ui-ink-2); }
.xm-card-list li + li { margin-top: 4px; }

/* ---------- for providers ---------- */

.xm-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 18px; }
.xm-points { margin: 10px 0 0; padding-left: 20px; font-size: 16px; line-height: 1.5; color: var(--ui-ink-2); }
.xm-points li + li { margin-top: 8px; }
.xm-pay { margin-top: 12px; font-weight: var(--ui-weight-semibold); color: var(--ui-ink); }

@media (max-width: 480px) {
  .xm-model { padding: 18px 16px 16px; }
  .xm-name { font-size: 19px; }
  .xm-actions .ui-btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .xm-detail > summary::before { transition: none; }
}