/* ==========================================================================
   K02 — Color & Tokens
   Token architecture, primitive palette, semantic contrast table, status
   treatments, data-viz palette and per-theme component previews.
   Swatch colors are data and come in via custom properties on the element
   (--swatch, --fg, --bg, --ramp); theme previews use inner [data-theme].
   ========================================================================== */

/* Inline token names in running text */
.token-code {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   Architecture: primitive → semantic → component chains
   -------------------------------------------------------------------------- */
.token-chain {
  margin-top: 36px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
}

.token-chain__row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.token-chain__row > span {
  padding: 14px 16px;
  overflow-wrap: anywhere;
}

.token-chain__row > span + span {
  border-left: 1px solid var(--line);
}

.token-chain__row--head {
  border-bottom-color: var(--line-strong);
  font-size: 10px;
  color: var(--text-3);
}

.token-chain__row--head > span {
  padding: 12px 16px;
}

.token-chain__row--head > span + span {
  border-left: 0;
}

.token-chain__primitive {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.token-chain__swatch {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line-strong);
  background: var(--swatch);
}

/* --------------------------------------------------------------------------
   Palette: primitive swatches
   -------------------------------------------------------------------------- */
.swatch-group {
  margin-top: 40px;
}

.swatch-group__head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.swatch-group__title {
  font-size: 18px;
  font-weight: 600;
  font-stretch: 112%;
}

.swatch-group__desc {
  max-width: 60ch;
  font-size: 14px;
  color: var(--text-2);
}

.swatch-group__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.swatch {
  border: 1px solid var(--line);
}

.swatch__chip {
  height: 88px;
  background: var(--swatch);
}

.swatch__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
}

.swatch__name {
  font-size: 14px;
  font-weight: 600;
}

.swatch__hex {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
}

.swatch__token {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

/* --------------------------------------------------------------------------
   Semantic tokens and contrast table
   -------------------------------------------------------------------------- */
.contrast-table {
  margin-top: 32px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.contrast-table__inner {
  --cols: 130px minmax(140px, 1fr) 250px 250px;
  width: 100%;
  min-width: 800px;
  font-size: 14px;
}

.contrast-table__row {
  display: grid;
  grid-template-columns: var(--cols);
  align-items: center;
  border-top: 1px solid var(--line);
}

.contrast-table__row > span {
  display: block;
  padding: 12px 16px;
}

.contrast-table__row--head {
  border-top: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  text-align: left;
}

.contrast-table__token {
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

/* Token value shown on the theme canvas: --fg = token, --bg = canvas */
.contrast-chip {
  --bg: #07080B;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border: 1px solid rgba(237, 239, 242, .12);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.contrast-chip--cleanroom {
  --bg: #F3F4F1;
  border-color: rgba(11, 13, 16, .12);
}

.contrast-chip__swatch {
  width: 12px;
  height: 12px;
  background: var(--fg);
}

/* --------------------------------------------------------------------------
   Status cards
   -------------------------------------------------------------------------- */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 12px;
  margin-top: 32px;
}

.status-card {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1px solid;
  background: var(--surface-1);
}

.status-card__title {
  font-weight: 600;
}

.status-card__text {
  font-size: 14px;
  color: var(--text-2);
}

/* Border follows the theme token; icons keep the original fixed hex. */
.status-card--critical { border-color: var(--critical); }
.status-card--critical .icon { color: #FF6B5E; }

.status-card--info { border-color: var(--info); }
.status-card--info .icon { color: #7FDBFF; }

.status-card--success { border-color: var(--success); }
.status-card--success .icon { color: #3DDC97; }

/* Warning always carries the hazard stripe on its left edge */
.status-card--warning {
  padding-left: 26px;
  border-color: var(--warning);
  background:
    repeating-linear-gradient(-45deg, var(--warning) 0 6px, transparent 6px 12px) left / 10px 100% no-repeat,
    var(--surface-1);
}

.status-card--warning .icon { color: #FFD60A; }

/* --------------------------------------------------------------------------
   Data-viz palette (one panel per theme)
   -------------------------------------------------------------------------- */
.viz-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 16px;
  margin-top: 32px;
}

.viz-panel {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--canvas);
  color: var(--text);
}

.viz-panel__label {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

.viz-panel__label--ramp {
  margin: 20px 0 8px;
}

.viz-panel__label--ramp-2 {
  margin: 16px 0 8px;
}

.viz-panel__swatches {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
}

.viz-panel__swatch {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.viz-panel__chip {
  height: 44px;
  background: var(--swatch);
}

.viz-panel__name {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-3);
}

.viz-panel__ramp {
  height: 20px;
  background: var(--ramp);
}

/* --------------------------------------------------------------------------
   Theme previews
   -------------------------------------------------------------------------- */
.theme-previews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 16px;
  margin-top: 32px;
}

.theme-preview {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--canvas);
  color: var(--text);
}

.theme-preview__meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
}

.theme-preview__title {
  font-size: 28px;
  font-weight: 700;
  font-stretch: 125%;
  letter-spacing: -.03em;
  line-height: 1;
}

/* Instrument readout */
.theme-preview__readout {
  position: relative;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface-1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.theme-preview__readout-label {
  font-size: 10px;
  color: var(--text-3);
}

.theme-preview__readout-value {
  margin-top: 4px;
  font-size: 22px;
}

.theme-preview__readout-unit {
  font-size: 12px;
  color: var(--text-2);
}

.theme-preview__readout-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 10px;
}

.theme-preview__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.theme-preview__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.theme-preview__btn {
  display: inline-flex;
  align-items: center;
  height: 44px;
  border-radius: var(--r-1);
  font-size: 14px;
}

.theme-preview__btn--primary {
  padding: 0 18px;
  background: var(--action);
  color: var(--on-action);
  font-weight: 600;
  font-stretch: 112%;
}

.theme-preview__btn--secondary {
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  color: var(--text);
}

/* The preview controls keep their colors on hover (overrides the base a:hover). */
.theme-preview__btn--primary:hover { color: var(--on-action); }
.theme-preview__btn--secondary:hover { color: var(--text); }

.theme-preview__link {
  align-self: flex-start;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  color: var(--action-text);
}

/* --------------------------------------------------------------------------
   Brand theming snippet
   -------------------------------------------------------------------------- */
.brand-theming {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  align-items: start;
  gap: 24px;
  margin-top: 32px;
}

.brand-theming__text {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-2);
}

.brand-theming__code {
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface-1);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-2);
}