/* Bolbrac design system case study — token specimens and evidence galleries.
   Values come from css/bolbrac-tokens.css (generated from Figma). */

@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Regular.ttf') format('truetype');
  font-weight: 400 600; /* Barlow Medium (500) not supplied yet: Regular stands in */
  font-display: swap;
}

@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Black.ttf') format('truetype');
  font-weight: 900;
  font-display: swap;
}

/* ===== Specimen grid ===== */
.token-specimens {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.specimen {
  min-width: 0;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  border: 1px solid var(--system-border);
  border-radius: 8px;
  background: var(--system-surface);
}

.specimen-wide {
  grid-column: 1 / -1;
}

.specimen-header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.specimen-header p,
.specimen-rule {
  max-width: 720px;
  color: var(--system-muted);
  font-size: 0.85rem;
}

.specimen-subtitle {
  margin: 0.4rem 0 0;
  color: var(--system-muted);
  font-family: 'Gotham', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.specimen code {
  color: var(--system-muted);
  font-size: 0.7rem;
  overflow-wrap: anywhere;
}

.paper {
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border-radius: 6px;
  background: var(--sys-color-background-base);
  color: var(--sys-color-text);
}

.paper code {
  color: var(--ref-gris-600);
}

/* ===== Color ===== */
.palette,
.alias-list,
.spacing-scale,
.order-states {
  margin: 0;
  padding: 0;
  list-style: none;
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8.5rem, 1fr));
  gap: 0.75rem;
}

.palette li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.palette .chip {
  height: 4.5rem;
  margin-bottom: 0.3rem;
  border: 1px solid var(--system-border);
  border-radius: 6px;
  background: var(--swatch);
}

.palette small {
  color: #f2f2f2;
  font-family: 'Gotham Book', sans-serif;
  font-size: 0.72rem;
}

.alias-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1.5rem;
}

.alias-list li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.alias-list code:first-of-type {
  color: var(--system-orange);
}

.mini-chip {
  width: 1rem;
  height: 1rem;
  flex: none;
  border: 1px solid var(--system-border);
  border-radius: 3px;
  background: var(--swatch);
}

.alias-arrow {
  color: var(--system-muted);
}

/* ===== Typography ===== */
.type-scale {
  display: flex;
  flex-direction: column;
}

.type-row {
  padding: 0.75rem 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14rem;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--sys-color-outline-default);
}

.type-row:last-child {
  border-bottom: 0;
}

.type-sample {
  min-width: 0;
  color: var(--sys-color-primary);
  font-family: var(--ref-font-family-base);
  overflow-wrap: anywhere;
}

.type-row code {
  text-align: right;
}

/* ===== Spacing ===== */
.spacing-scale {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.spacing-scale li {
  display: grid;
  grid-template-columns: 8.5rem 2.5rem;
  align-items: center;
  gap: 0.75rem;
}

.spacing-scale span {
  height: 0.9rem;
  max-width: 100%;
  border-radius: 2px;
  background: var(--ref-lavanda-500);
}

/* ===== Radius / elevation tiles ===== */
.token-tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.token-tiles figure,
.icon-sizes figure,
.stroke-sizes figure,
.state-layers figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
}

.tile {
  width: 100%;
  max-width: 4.5rem;
  aspect-ratio: 1;
  border: var(--sys-sizing-stroke-regular) solid var(--sys-color-primary);
  background: var(--sys-color-primary-container);
}

.tile-pill {
  aspect-ratio: 2 / 1;
}

.tile-raised {
  border: 0;
  border-radius: var(--sys-radius-medium);
  background: var(--sys-color-background-base);
}

/* ===== Sizes ===== */
.size-specimen {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 1.5rem;
}

.icon-sizes {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 1rem;
}

.icon-sizes img {
  display: block;
  height: auto;
}

.stroke-sizes {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.stroke-sizes figure {
  align-items: stretch;
  gap: 0.35rem;
  text-align: left;
}

.stroke-sizes span {
  display: block;
  background: var(--sys-color-primary);
}

/* ===== States ===== */
.state-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1.5rem;
}

.state-layers {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-content: center;
  gap: 0.75rem;
}

.state-button {
  position: relative;
  width: 100%;
  height: 2.5rem;
  overflow: hidden;
  border-radius: var(--sys-radius-pill);
  background: var(--sys-color-primary);
}

/* State layer: on-primary overlay at the token opacity, as in Material 3 */
.state-button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--sys-color-on-primary);
  opacity: var(--state);
}

.state-button.is-disabled {
  --state: 0;
  background: var(--sys-color-text);
}

.order-states {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.order-states li {
  padding: 0.35rem 0.8rem;
  border-radius: var(--sys-radius-pill);
  background: var(--swatch);
  color: var(--sys-color-text);
  font-family: var(--ref-font-family-base);
  font-size: var(--sys-label-large-size);
  font-weight: 700;
}

.specimen-rule {
  margin-top: 0.9rem !important;
  padding-left: 0.75rem;
  border-left: 2px solid var(--system-orange);
}

/* ===== Print ===== */
.print-specimen {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  align-items: center;
  gap: 2rem;
}

/* A4 drawn to scale: 3 mm bleed and 10 mm safe margin on a 210 mm sheet */
.print-sheet {
  position: relative;
  width: 100%;
  margin: 0;
  aspect-ratio: 216 / 303;
  background: var(--ref-lavanda-200);
}

.print-bleed {
  position: absolute;
  inset-inline: calc(3 / 216 * 100%);
  inset-block: calc(3 / 303 * 100%);
  background: var(--sys-color-background-base);
}

.print-safe {
  position: absolute;
  inset-inline: calc(13 / 216 * 100%);
  inset-block: calc(13 / 303 * 100%);
  border: 1px dashed var(--sys-color-primary);
}

.print-values {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem 1.5rem;
}

.print-values div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.print-values dd {
  margin: 0;
  color: #f2f2f2;
  font-family: 'Gotham', sans-serif;
  font-size: 0.95rem;
}

/* ===== Evidence galleries ===== */
.ds-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 1rem;
}

/* Columns proportional to each canvas ratio (A4, LinkedIn, data sheet, presentation)
   so the four formats share one height. */
.ds-formats {
  margin-top: 1.5rem;
  grid-template-columns: 0.706fr 0.8fr 1.78fr 1.778fr;
}

.ds-formats .ds-shot {
  padding: 0.6rem;
}

.ds-formats .ds-shot-span2 {
  grid-column: auto;
}

.ds-shot-wide {
  grid-column: 1 / -1;
}

.ds-shot-span2 {
  grid-column: span 2;
}

.ds-shot img {
  height: auto;
  background: #fff;
}

@media only screen and (max-width: 900px) {
  .token-specimens,
  .alias-list,
  .state-columns,
  .size-specimen {
    grid-template-columns: 1fr;
  }

  .ds-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ds-formats {
    grid-template-columns: 0.706fr 0.8fr;
  }

  .type-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .type-row code {
    text-align: left;
  }
}

@media only screen and (max-width: 560px) {
  .ds-gallery,
  .ds-formats,
  .print-specimen,
  .print-values {
    grid-template-columns: 1fr;
  }

  .ds-shot-span2 {
    grid-column: auto;
  }

  .print-sheet {
    max-width: 9rem;
  }

  .token-tiles,
  .state-layers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}