/* ---------------------------------------------------------------------------
 * Build Digital evidence panel — direction 3B "Grouped by material"
 * Review-only overlay for plugin v0.7.0 (baseline ead8cb8, agent/v0.7-quiet-disclosure).
 *
 * Load AFTER assets/draft/client-demo.css, alongside material-card-2d.css.
 * Reuses the production .bdk-evidence-card__* type scale; replaces the flat
 * per-passage card with a per-material group. See SPEC.md §6.
 *
 * Requires from the template: --bdk-pillar-color on each group, so the tile,
 * card edge, action and passage accent all resolve from one semantic authority.
 * --------------------------------------------------------------------------- */

.bdk-demo__materials-workspace--evidence-open {
  /* Was minmax(22rem, 28rem). The panel now owns its width. */
  grid-template-columns: minmax(0, 1fr) auto;
}

/* --- Drawer shell ----------------------------------------------------- */

.bdk-demo__materials-workspace--evidence-open .bdk-demo__evidence-drawer {
  /* The drawer must NOT own the scroll: an absolutely positioned resize handle
     inside a scrolling box travels with the content and scrolls out of reach. */
  display: flex;
  flex-direction: column;
  width: var(--bdk-evidence-w, 24rem);
  min-width: 20rem;
  max-width: 32rem;
  padding: 0;
  border-radius: var(--bdk-radius-card-2d, 0.375rem);
  overflow: hidden;
}

.bdk-demo__evidence-resize {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  width: 0.7rem;
  cursor: col-resize;
  touch-action: none;
}

.bdk-demo__evidence-resize > span {
  position: absolute;
  top: 50%;
  left: 0.25rem;
  width: 0.2rem;
  height: 2.4rem;
  border-radius: 999px;
  background: #b8d2cf;
  transform: translateY(-50%);
}

.bdk-demo__evidence-resize:focus-visible > span {
  background: var(--bdk-color-deep-teal);
}

/* --- Header region: pinned by structure, not by position: sticky ------- */

.bdk-demo__evidence-masthead {
  flex: 0 0 auto;
  padding: 1.1rem 1.2rem 0.75rem;
  border-bottom: 1px solid #b8d2cf;
  border-radius: var(--bdk-radius-card-2d, 0.375rem) var(--bdk-radius-card-2d, 0.375rem) 0 0;
  background: #f3f8f7;
}

/* Was clamp(1.5rem, 3vw, 2rem) — up to 32px of Roboto Slab for one word,
   outweighing the result titles beneath it. */
.bdk-demo__evidence-header h2 {
  font-size: 1.1rem;
}

.bdk-demo__evidence-close {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--bdk-radius-control-2d, 0.25rem);
  font-size: 1.2rem;
}

.bdk-demo__evidence-status {
  margin: 0.45rem 0 0;
}

.bdk-demo__evidence-intro {
  margin: 0.3rem 0 0;
}

.bdk-demo__evidence-intro mark,
.bdk-evidence-card mark {
  padding: 0.02em 0.15em;
  border-radius: 0.15rem;
  /* Palette tint in place of production #ffdf6e, the only non-palette colour
     in the system. Revert this block to keep the yellow. */
  background: #f6dbe9;
  color: var(--bdk-color-ink);
  font-weight: 800;
}

/* --- Scrolling result region ------------------------------------------ */

.bdk-demo__evidence-scroller {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 0.5rem 1.2rem 1.2rem;
}

.bdk-demo__evidence-list {
  gap: 0.4rem;
}

/* --- One group per material ------------------------------------------- */

.bdk-evidence-group {
  border-radius: 0.3rem;
}

.bdk-evidence-group__header {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  width: 100%;
  padding: 0.6rem 0.5rem;
  border: 0;
  border-bottom: 1px solid #dfe8e6;
  border-radius: 0.3rem 0.3rem 0 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.bdk-evidence-group[aria-current="true"] .bdk-evidence-group__header {
  border-bottom-color: var(--bdk-pillar-color, var(--bdk-color-deep-teal));
  background: color-mix(in srgb, var(--bdk-pillar-color, var(--bdk-color-deep-teal)) 10%, white);
}

.bdk-evidence-group__thumb {
  display: grid;
  overflow: hidden;
  border-radius: 0.2rem;
  background: var(--bdk-pillar-color, #eef2f1);
  place-items: center;
}

.bdk-evidence-group__thumb img {
  display: block;
  width: 100%;
  height: auto;
}

.bdk-evidence-group__lines {
  display: grid;
  min-width: 0;
  gap: 0.1rem;
}

.bdk-evidence-group .bdk-evidence-card__title {
  font-size: 0.86rem;
  -webkit-line-clamp: 2;
}

.bdk-evidence-group .bdk-evidence-card__expand {
  color: var(--bdk-color-deep-teal);
}

.bdk-evidence-group[aria-current="true"] .bdk-evidence-card__expand {
  color: var(--bdk-pillar-color, var(--bdk-color-deep-teal));
}

.bdk-evidence-group__passages {
  padding: 0.1rem 0 0.55rem 2.85rem;
}

/* Passage edge takes the material's pillar colour, so a passage is attributable
   to its card before any click. */
.bdk-evidence-group .bdk-evidence-card__passage {
  margin: 0.4rem 0 0;
  padding: 0.5rem 0 0.5rem 0.7rem;
  border-left-color: var(--bdk-pillar-color, var(--bdk-color-deep-teal));
  border-radius: 0 0.25rem 0.25rem 0;
}

.bdk-evidence-group .bdk-evidence-card__passage cite {
  font-size: 0.7rem;
}

.bdk-evidence-group .bdk-evidence-card__passage p {
  /* Three lines of real passage, in place of v0.7's one nowrap ellipsised line. */
  display: -webkit-box;
  overflow: hidden;
  font-size: 0.8rem;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

/* --- Show more, empty state ------------------------------------------- */

.bdk-demo__evidence-more {
  width: 100%;
  min-height: 2.6rem;
  margin-top: 0.8rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid #b8d2cf;
  border-radius: var(--bdk-radius-control-2d, 0.25rem);
  background: var(--bdk-color-white);
  color: var(--bdk-color-deep-teal);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
}

.bdk-demo__evidence-empty {
  border-radius: 0.3rem;
}

/* --- Mobile: bottom sheet --------------------------------------------- */

@media (max-width: 47.9375rem) {
  .bdk-demo__materials-workspace--evidence-open .bdk-demo__evidence-drawer {
    width: 100%;
    min-width: 0;
    max-width: none;
    max-height: min(75vh, 44rem);
    border-radius: var(--bdk-radius-card-2d, 0.375rem) var(--bdk-radius-card-2d, 0.375rem) 0 0;
  }

  .bdk-demo__evidence-masthead {
    border-radius: var(--bdk-radius-card-2d, 0.375rem) var(--bdk-radius-card-2d, 0.375rem) 0 0;
  }

  /* A left edge means nothing when the panel spans the screen. */
  .bdk-demo__evidence-resize {
    display: none;
  }
}