/* Global styles on top of the Atrium tokens (atrium-tokens.css): colors, fonts and sizes come from var(--…) only. */

body {
  margin: 0;
  background: var(--gray-2);
  color: var(--color-text);
}

/* ---------- Access gate ---------- */
.access-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.access-gate__form {
  width: min(400px, 100%);
  display: grid;
  gap: var(--space-3);
  text-align: center;
}

.access-gate__form p {
  margin: 0;
}

.access-gate__form .at-field {
  width: 100%;
}

.access-gate__error {
  color: var(--red-11);
  font-size: var(--font-size-1);
}

/* ---------- App header and standalone layout ---------- */
.app {
  min-height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 64px;
  padding: 0 var(--space-5);
  background: var(--color-background);
  border-bottom: 1px solid var(--gray-a5);
}

.tool {
  min-width: 0;
}

.is-standalone .tool {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-9);
}

.tool__head {
  padding-right: var(--space-7);
  margin-bottom: var(--space-5);
}

.tool__head p {
  margin: var(--space-1) 0 0;
}

/* ---------- Search row and examples ---------- */
.search {
  display: flex;
  gap: var(--space-2);
}

.search .at-field {
  flex: 1;
  min-width: 0;
}

.search-mode {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.search-mode__option {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.examples button {
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Criteria panel ---------- */
.filters {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-4);
  background: var(--gray-a2);
  box-shadow: inset 0 0 0 1px var(--gray-a4);
}

.filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.filters__title {
  font-weight: 500;
}

.filters__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-4);
}

.filters__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
  align-items: start;
}

.filters__grid > *,
.filters__row > * {
  min-width: 0;
}

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

/* ---------- Results ---------- */
.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: var(--space-5) 0 var(--space-3);
}

.results {
  display: grid;
  gap: var(--space-3);
}

.res__top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.res__title {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.res__title h3 {
  margin: 0;
}

.res__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.res__badges .at-badge {
  max-width: 100%;
  white-space: normal;
}

.res__desc {
  margin: var(--space-3) 0 0;
  overflow-wrap: anywhere;
}

.details {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-a5);
}

.at-datalist dd {
  overflow-wrap: anywhere;
}

.details__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.res__foot {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-3);
}

.chev {
  transition: transform 0.15s;
}

[aria-expanded='true'] .chev {
  transform: rotate(180deg);
}

.empty {
  text-align: center;
  padding: var(--space-7) var(--space-4);
}

.empty p {
  margin: var(--space-2) 0 var(--space-4);
}

.skeleton--title {
  height: 20px;
  width: 45%;
}

.skeleton--sub {
  height: 12px;
  width: 30%;
  margin-top: var(--space-2);
}

.skeleton--line {
  height: 12px;
  width: 90%;
  margin-top: var(--space-4);
}

/* ---------- Simulated LLM-style reveal (US-27149): visual layer only, text is already in the DOM ---------- */
.result-card {
  opacity: 0;
  transform: translateY(var(--space-2));
  transition: opacity 0.2s ease-out, transform 0.2s ease-out;
}

.result-card.is-revealed {
  opacity: 1;
  transform: none;
}

.result-card__justification {
  --reveal-pct: 0%;
  clip-path: inset(0 calc(100% - var(--reveal-pct)) 0 0);
}

/* Same precedent as the skeleton animation (atrium-tokens.css): no progressive reveal, no cascade. */
@media (prefers-reduced-motion: reduce) {
  .result-card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .result-card__justification {
    clip-path: none;
  }
}

/* ---------- Narrow screens: full-screen dialog, single-column grids ---------- */
@media (max-width: 760px) {
  .app-header {
    padding: 0 var(--space-4);
  }

  .at-overlay {
    padding: 0;
  }

  .at-dialog {
    border-radius: 0;
    min-height: 100vh;
    padding: var(--space-4);
  }

  .search {
    flex-direction: column;
  }

  .search .at-field {
    flex: none;
  }

  .filters__grid,
  .filters__row {
    grid-template-columns: 1fr;
  }

  .res__top {
    flex-wrap: wrap;
  }

  .at-datalist {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .at-datalist dd {
    margin-bottom: var(--space-2);
  }
}