/* ============================================================
   Canvas v2 A14 — Design-Asset Library styles (META-1782160033).
   Maps component-local --canvas-design-* vars onto the locked
   design tokens (tokens.css / globals.css: Basalt + Circuit +
   Accent) and the per-tenant --app-* contract (canvas-vars.css).
   ZERO hardcoded hex — every colour is rgb(var(--token)) or an
   --app-* swap. Import via
   "@supraforge/ui/canvas/design/design.css" at the chrome shell.
   ============================================================ */

:root,
[data-theme='dark'],
[data-theme='light'] {
  --canvas-design-accent: var(--app-accent, rgb(var(--circuit-glow)));
  --canvas-design-accent-ink: var(--app-accent-ink, rgb(var(--basalt-deep)));
  --canvas-design-fg: rgb(var(--text));
  --canvas-design-fg-muted: var(--text-muted);
  --canvas-design-surface: var(--app-surface, rgb(var(--basalt-surface)));
  --canvas-design-lifted: rgb(var(--basalt-bright));
  --canvas-design-deep: var(--app-bg, rgb(var(--basalt-deep)));
  --canvas-design-border: var(--border);
  --canvas-design-radius: var(--app-radius, var(--radius));
  /* --app-glass-blur holds the full filter function (e.g. blur(24px)), so this
     var is applied directly to backdrop-filter — never re-wrapped in blur(). */
  --canvas-design-blur: var(--app-glass-blur, blur(24px));
  --canvas-design-ease: var(--liquid-ease);
  --canvas-design-ok: var(--app-success, rgb(var(--accent-teal)));
  --canvas-design-warn: var(--app-warn, rgb(var(--pastel-gold)));
  --canvas-design-danger: var(--app-fail, rgb(var(--accent-red)));
  --canvas-design-review: rgb(var(--pastel-lavender));
}

/* ---- shell region ---- */
.canvas-design-library {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  color: var(--canvas-design-fg);
  background: var(--canvas-design-deep);
}

.canvas-design-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.canvas-design-overline {
  font-family: var(--font-jetbrains);
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--canvas-design-fg-muted);
  margin: 0;
}

.canvas-design-title {
  font-family: var(--font-inter);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  line-height: 0.85;
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  margin: 0.25rem 0 0;
}

.canvas-design-title-period {
  color: var(--canvas-design-accent);
}

/* ---- KPI strip ---- */
.canvas-design-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.canvas-design-kpi {
  background: rgb(var(--basalt-surface) / 0.6);
  backdrop-filter: var(--canvas-design-blur);
  border: 1px solid var(--canvas-design-border);
  border-radius: var(--canvas-design-radius);
  padding: 0.75rem 1rem;
}

.canvas-design-kpi-label {
  font-family: var(--font-jetbrains);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--canvas-design-fg-muted);
  margin: 0;
}

.canvas-design-kpi-value {
  font-family: var(--font-jetbrains);
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin: 0.2rem 0 0;
}

.canvas-design-kpi-delta {
  font-family: var(--font-jetbrains);
  font-size: 0.7rem;
}
.canvas-design-kpi-delta[data-trend='up'] {
  color: var(--canvas-design-ok);
}
.canvas-design-kpi-delta[data-trend='down'] {
  color: var(--canvas-design-danger);
}
.canvas-design-kpi-delta[data-trend='flat'] {
  color: var(--canvas-design-fg-muted);
}

/* ---- filter-chip row ---- */
.canvas-design-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.canvas-design-chip {
  font-family: var(--font-jetbrains);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--canvas-design-border);
  background: transparent;
  color: var(--canvas-design-fg-muted);
  cursor: pointer;
  transition: all 0.2s var(--canvas-design-ease);
}
.canvas-design-chip[data-active='true'] {
  background: var(--canvas-design-accent);
  color: var(--canvas-design-accent-ink);
  border-color: var(--canvas-design-accent);
}

/* ---- gallery grid ---- */
.canvas-design-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.canvas-design-card {
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--canvas-design-surface);
  border: 1px solid var(--canvas-design-border);
  border-radius: var(--canvas-design-radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s var(--canvas-design-ease),
    border-color 0.2s var(--canvas-design-ease);
}
.canvas-design-card:hover {
  transform: translateY(-2px);
}
.canvas-design-card[data-selected='true'] {
  border-color: var(--canvas-design-accent);
  box-shadow: 0 0 0 1px var(--canvas-design-accent);
}

.canvas-design-thumb {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  background: var(--canvas-design-lifted);
}

.canvas-design-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.6rem 0.75rem 0.8rem;
}

.canvas-design-card-name {
  font-family: var(--font-inter);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
}

.canvas-design-card-meta {
  font-family: var(--font-jetbrains);
  font-size: 0.65rem;
  color: var(--canvas-design-fg-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ---- status dot + chip ---- */
.canvas-design-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}
.canvas-design-dot[data-status='production'] {
  background: var(--canvas-design-ok);
}
.canvas-design-dot[data-status='approved'] {
  background: var(--canvas-design-accent);
}
.canvas-design-dot[data-status='review'] {
  background: var(--canvas-design-warn);
}
.canvas-design-dot[data-status='draft'] {
  background: var(--canvas-design-review);
}
.canvas-design-dot[data-status='sketch'] {
  background: var(--canvas-design-fg-muted);
}

/* ---- detail drawer ---- */
.canvas-design-drawer {
  background: rgb(var(--basalt-surface) / 0.6);
  backdrop-filter: var(--canvas-design-blur);
  border: 1px solid var(--canvas-design-border);
  border-radius: var(--canvas-design-radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.canvas-design-drawer-preview {
  width: 100%;
  border-radius: var(--canvas-design-radius);
  background: var(--canvas-design-lifted);
}

.canvas-design-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.canvas-design-btn {
  font-family: var(--font-inter);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 0.45rem 0.9rem;
  border-radius: var(--canvas-design-radius);
  border: 1px solid var(--canvas-design-border);
  background: transparent;
  color: var(--canvas-design-fg);
  cursor: pointer;
}
.canvas-design-btn[data-variant='primary'] {
  background: var(--canvas-design-accent);
  color: var(--canvas-design-accent-ink);
  border-color: var(--canvas-design-accent);
}
.canvas-design-btn[data-variant='danger'] {
  border-color: var(--canvas-design-danger);
  color: var(--canvas-design-danger);
}

/* ---- state box (empty / loading / error) ---- */
.canvas-design-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--canvas-design-fg-muted);
}
.canvas-design-skeleton {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.canvas-design-skeleton-cell {
  aspect-ratio: 4 / 3;
  border-radius: var(--canvas-design-radius);
  background: linear-gradient(
    90deg,
    var(--canvas-design-surface),
    var(--canvas-design-lifted),
    var(--canvas-design-surface)
  );
  background-size: 200% 100%;
  animation: canvas-design-shimmer 1.4s var(--canvas-design-ease) infinite;
}
@keyframes canvas-design-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ---- desktop four-pane layout (≥1024 / lg) ---- */
.canvas-design-library--desktop .canvas-design-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .canvas-design-library--desktop .canvas-design-body[data-has-detail='true'] {
    grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  }
}

/* ---- mobile reflow (<768) ---- */
.canvas-design-library--mobile .canvas-design-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.canvas-design-library--mobile .canvas-design-kpis {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.canvas-design-library--mobile .canvas-design-fab {
  position: sticky;
  bottom: max(1rem, env(safe-area-inset-bottom));
  align-self: flex-end;
  min-height: 44px;
  min-width: 44px;
  border-radius: 999px;
  background: var(--canvas-design-accent);
  color: var(--canvas-design-accent-ink);
  border: none;
  font-weight: 700;
  padding: 0 1.1rem;
}
.canvas-design-library--desktop .canvas-design-fab {
  display: none;
}