/* /widgets/both-hands.html — diptych canvas */

.bhf-intro {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.bhf-intro h1 {
  margin: 0 0 var(--space-3);
}

.bhf-intro__lede {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  line-height: 1.3;
  max-width: 50ch;
  color: var(--fg-soft);
}

.bhf-intro__hint {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--muted);
  max-width: 60ch;
}

/* ------------------------------------------------------------------
   CANVAS — exported as PNG. Everything inside .bhf-canvas should
   render edge-to-edge and not depend on viewport-only styles.
   ------------------------------------------------------------------ */

.bhf-canvas-wrap {
  padding-block: var(--space-5);
}

.bhf-canvas {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  border: 4px solid var(--fg);
  background: var(--bg);
  margin-inline: auto;
  max-width: 64rem;
  width: 100%;
  font-family: var(--font-mono);
}

@media (max-width: 720px) {
  .bhf-canvas {
    grid-template-columns: 1fr;
  }
  .bhf-divider {
    display: none;
  }
}

.bhf-side {
  padding: var(--space-4) var(--space-4) var(--space-5);
  position: relative;
  isolation: isolate;
  min-height: 30rem;
}

.bhf-side--critique {
  background:
    radial-gradient(circle, rgba(225, 29, 46, 0.18) 1px, transparent 1.5px) 0 0 / 8px 8px,
    var(--bg);
  color: var(--fg);
  border-right: 2px dashed var(--fg);
}

.bhf-side--capability {
  background:
    radial-gradient(circle, rgba(17, 17, 17, 0.22) 1px, transparent 1.5px) 0 0 / 8px 8px,
    var(--paper);
  color: var(--paper-ink);
}

.bhf-side__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 var(--space-2);
}

.bhf-side--critique .bhf-side__eyebrow {
  color: var(--accent);
}

.bhf-side--capability .bhf-side__eyebrow {
  color: var(--accent);
}

.bhf-side h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  line-height: 1.05;
  margin: 0 0 var(--space-4);
}

.bhf-side--critique h2 {
  color: var(--fg);
}

.bhf-side--capability h2 {
  color: var(--paper-ink);
}

.bhf-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.bhf-item {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  gap: var(--space-2);
  align-items: center;
}

.bhf-item__num {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--accent);
  font-weight: 700;
  text-align: right;
  line-height: 1;
}

.bhf-item__input {
  font: inherit;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  background: transparent;
  border: 0;
  border-bottom: 2px solid currentColor;
  padding: 0.4rem 0;
  color: inherit;
  width: 100%;
}

.bhf-side--critique .bhf-item__input {
  color: var(--fg);
  border-color: var(--accent);
}

.bhf-side--capability .bhf-item__input {
  color: var(--paper-ink);
  border-color: var(--paper-ink);
}

.bhf-item__input::placeholder {
  font-style: italic;
  opacity: 0.5;
}

.bhf-item__input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.bhf-item__moves {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.bhf-item__move {
  font: inherit;
  font-size: var(--fs-xs);
  width: 1.6rem;
  height: 1.1rem;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
}

.bhf-item__move:hover:not(:disabled),
.bhf-item__move:focus-visible:not(:disabled) {
  background: currentColor;
  opacity: 1;
  outline: none;
}

.bhf-item__move:hover:not(:disabled) span,
.bhf-item__move:focus-visible:not(:disabled) span {
  filter: invert(1);
}

.bhf-item__move:disabled {
  opacity: 0.18;
  cursor: not-allowed;
}

.bhf-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  width: 3.4rem;
}

.bhf-canvas__footer {
  grid-column: 1 / -1;
  border-top: 4px solid var(--fg);
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
}

.bhf-canvas__footer strong {
  color: var(--accent);
}

.bhf-canvas__sig {
  font-family: var(--font-display);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  font-size: var(--fs-sm);
  color: var(--fg-soft);
}

/* ------------------------------------------------------------------
   ACTIONS
   ------------------------------------------------------------------ */

.bhf-actions {
  padding-block: var(--space-5);
  border-top: 1px solid var(--border);
  display: grid;
  gap: var(--space-3);
}

.bhf-actions__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.bhf-actions__hint {
  font-size: var(--fs-sm);
  color: var(--muted);
  max-width: 60ch;
}

.bhf-actions__status {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  min-height: 1em;
}

@media (prefers-reduced-motion: reduce) {
  .bhf-item__move {
    transition: none;
  }
}