/* fcc-color — site-specific Field Bulletin layer.
 *
 * Per-site accent: chromatic fuchsia — the most saturated pink-magenta
 * the eye registers, picked to lean into the topic. Distinct from
 * magnetism's lodestone (more red-magenta) and clocks's chronograph
 * red (more orange-red).
 */

/* !important required because /shared/fcc-theme-boot.js writes --accent
   as inline-style on <html>, beating stylesheet specificity. */
:root, html[data-mode="dark"] {
  --accent:      #ec4899 !important;
  --accent-2:    #f472b6 !important;
  --accent-wash: color-mix(in srgb, #ec4899 12%, transparent) !important;
  --accent-ink:  #ffffff !important;
}
html[data-mode="light"] {
  --accent:      #a21caf !important;
  --accent-2:    #be1ecd !important;
  --accent-wash: color-mix(in srgb, #a21caf 8%, transparent) !important;
  --accent-ink:  #ffffff !important;
}

/* ── Color cards (gallery uses .color-card, not .artifact-card) ── */
.color-card {
  background: var(--panel-2);
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 0;
  cursor: pointer;
  display: flex; flex-direction: column;
  transition:
    border-top-color var(--dur-1) var(--ease-in-out),
    transform var(--dur-2) var(--ease-out);
  overflow: hidden;
}
.color-card:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}
.color-card:active { transform: translateY(0); }
.color-swatch {
  width: 100%;
  height: 96px;
}
.color-card-body {
  padding: 0.75rem 0.95rem 1rem;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.color-card-name,
.color-name {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.color-card-hex,
.color-hex {
  font: 500 0.78rem var(--mono);
  color: var(--accent);
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.04em;
}
.color-card-meta,
.color-era {
  font: 500 0.7rem/1 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
}
.color-card-desc,
.color-desc {
  font-size: 0.86rem;
  color: var(--ink-2, var(--dim));
  line-height: 1.5;
  margin: 0;
}

/* ── Hero — Visible spectrum ────────────────────────────────── */
.hero-card, #spectrum.section-card { padding: 1.75rem 1.5rem 1.5rem; }
.spectrum-wrap {
  display: flex; flex-direction: column; gap: 0.4rem;
  margin-top: 0.85rem;
}
.spectrum-canvas {
  width: 100%;
  height: 100px;
  display: block;
  background: var(--bg);
  border-top: 1px solid var(--border);
  cursor: pointer;
}
.spectrum-ticks {
  display: flex; justify-content: space-between;
  font: 500 0.7rem var(--mono);
  color: var(--ink-3, var(--dim));
  font-feature-settings: "tnum" 1;
  padding: 0 4px;
}
.spectrum-detail {
  padding: 0.85rem 1rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink-2, var(--text));
  line-height: 1.55;
  min-height: 1.5em;
  margin-top: 0.6rem;
}

/* ── Color Converter ────────────────────────────────────────── */
.converter-layout {
  display: grid; gap: 0.85rem;
  grid-template-columns: 1fr 120px;
  align-items: end;
  margin-bottom: 0.85rem;
}
@media (max-width: 720px) { .converter-layout { grid-template-columns: 1fr; } }
.converter-input { display: flex; flex-direction: column; gap: 0.4rem; }
.converter-input input { width: 100%; }
.converter-preview {
  width: 100%; height: 70px;
  background: #663399;
  border-top: 1px solid var(--border);
  transition: background var(--dur-1) var(--ease-in-out);
}
.converter-output {
  display: grid; gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.converter-row {
  display: flex; align-items: baseline; gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
  cursor: pointer;
  transition: border-top-color var(--dur-1) var(--ease-in-out);
}
.converter-row:hover { border-top-color: var(--accent); }
.converter-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  flex: 0 0 56px;
}
.converter-value {
  font: 500 0.95rem var(--mono);
  color: var(--accent);
  font-feature-settings: "tnum" 1, "zero" 1;
  letter-spacing: -0.01em;
  flex: 1;
  word-break: break-all;
}

/* ── Contrast Checker ───────────────────────────────────────── */
.contrast-inputs {
  display: grid; gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 0.85rem;
}
.contrast-color-group {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 0.85rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
}
.contrast-color-group label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  flex: 0 0 100px;
}
.contrast-color-group input[type="color"] {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}
.contrast-color-group .control-value {
  font: 500 0.78rem var(--mono);
  color: var(--text);
}
.contrast-preview {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  margin-bottom: 0.6rem;
  background: #0c0d0f;
  color: #f5f6f7;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.preview-large { font: 700 1.15rem var(--serif); }
.preview-normal { font: 400 0.92rem var(--sans); line-height: 1.55; }
.contrast-results {
  display: grid; gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.contrast-row {
  display: flex; flex-direction: column;
  padding: 0.7rem 0.9rem;
  background: var(--panel-2);
  border-top: 1px solid var(--border);
}
.contrast-row-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  margin-bottom: 0.35rem;
}
.contrast-row-value {
  font: 500 1rem var(--mono);
  color: var(--text);
  font-feature-settings: "tnum" 1, "zero" 1;
}
.contrast-row-status {
  margin-top: 0.3rem;
  font: 500 0.74rem var(--mono);
  letter-spacing: 0.04em;
}
.contrast-row-status.pass { color: #7dd3a4; }
.contrast-row-status.fail { color: #fb7185; }

/* ── Palette Generator ──────────────────────────────────────── */
.palette-input-row {
  display: grid; gap: 0.75rem;
  grid-template-columns: 1fr 100px;
  align-items: end;
  margin-bottom: 0.85rem;
}
@media (max-width: 720px) { .palette-input-row { grid-template-columns: 1fr; } }
.palette-input-row input[type="color"] {
  width: 100%; height: 38px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}

.palette-scheme {
  margin-bottom: 1rem;
}
.palette-scheme-label {
  font: 500 0.66rem/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3, var(--dim));
  margin-bottom: 0.4rem;
}
.palette-strip {
  display: flex; gap: 2px;
  height: 64px;
  border-top: 1px solid var(--border);
}
.palette-swatch {
  flex: 1;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 0.45rem;
  font: 500 0.7rem var(--mono);
  font-feature-settings: "tnum" 1, "zero" 1;
  cursor: pointer;
  transition: filter var(--dur-1) var(--ease-in-out);
}
.palette-swatch:hover { filter: brightness(1.1); }

@media (max-width: 720px) {
  .spectrum-canvas { height: 80px; }
  .palette-strip { height: 48px; }
}
