/* Trace Letters & Numbers */

.trace-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.trace-stage {
  width: min(100%, 560px);
  aspect-ratio: 1;
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  background: var(--floor);
  overflow: hidden;
  /* Allow page scroll until the child starts a stroke */
  touch-action: pan-y;
  overscroll-behavior: contain;
}

.trace-stage.is-tracing {
  touch-action: none;
}

.trace-svg {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.trace-status {
  margin: 0;
  font-weight: 700;
  color: var(--ink-soft);
  text-align: center;
  min-height: 1.4em;
}

.trace-complete-banner {
  margin: 0;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(107, 203, 119, 0.25);
  color: var(--ink);
  font-weight: 800;
  text-align: center;
}

.trace-parent-tips {
  width: min(100%, 560px);
  margin: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--ink);
}

.trace-parent-tips > summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.trace-parent-tips > summary::-webkit-details-marker {
  display: none;
}

.trace-parent-tips > summary::before {
  content: "▸ ";
  color: var(--teal);
}

.trace-parent-tips[open] > summary::before {
  content: "▾ ";
}

.trace-parent-tips-body {
  padding: 0 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trace-parent-glyph-label {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
}

.trace-parent-steps {
  margin: 0;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--ink);
}

.trace-parent-coach {
  margin: 0;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(31, 138, 126, 0.12);
  font-weight: 700;
  font-size: 0.9rem;
}

.trace-parent-encourage {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.35;
}

.trace-parent-credit {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ink-soft);
  opacity: 0.85;
  line-height: 1.3;
}

.trace-daily-chip {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 200, 87, 0.35);
  font-weight: 800;
  font-size: 0.85rem;
}

.trace-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 8px;
  width: 100%;
  max-width: 560px;
}

.trace-glyph-btn {
  appearance: none;
  border: 2px solid var(--line);
  background: var(--floor);
  color: var(--ink);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  min-height: 48px;
  cursor: pointer;
}

.trace-glyph-btn.is-active,
.trace-glyph-btn[aria-pressed="true"] {
  border-color: var(--coral);
  background: rgba(255, 107, 74, 0.12);
  color: var(--coral-deep);
}

.trace-rule {
  stroke: #7ec8e3;
  stroke-width: 0.85;
  opacity: 0.95;
}

.trace-rule.mid {
  stroke: #7ec8e3;
  stroke-dasharray: 1.8 1.6;
  stroke-width: 0.7;
  opacity: 0.85;
}

.trace-stepper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.trace-progress {
  margin: 0;
  font-weight: 800;
  color: var(--ink-soft);
  text-align: center;
}

.trace-picker[hidden] {
  display: none !important;
}

.trace-glyph-btn.is-practiced {
  border-color: var(--sun);
}

.trace-panel {
  position: relative;
}

.trace-stage {
  overscroll-behavior: none;
}

.trace-guide {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trace-guide.active {
  stroke: var(--path);
  stroke-width: 2;
}

.trace-guide.done,
.trace-guide.complete {
  stroke: var(--ink-soft);
}

.trace-stroke-num {
  font-family: var(--font-display);
  font-size: 3.2px;
  font-weight: 800;
  fill: var(--coral-deep);
}

.trace-arrow {
  fill: var(--coral);
  opacity: 0.85;
}

.trace-start {
  fill: var(--path);
  stroke: var(--floor);
  stroke-width: 0.5;
}

.trace-start.current {
  fill: #2ecc71;
  filter: drop-shadow(0 0 1.2px rgba(46, 204, 113, 0.8));
}

.trace-ink,
.trace-ink-live {
  fill: none;
  stroke: var(--coral-deep);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.trace-glyph-label {
  font-family: var(--font-display);
  font-size: 4.5px;
  font-weight: 800;
  fill: var(--ink-soft);
  opacity: 0.45;
}

.trace-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
}

@media print {
  .print-trace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .print-trace-grid-numbers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .print-trace-grid .trace-print-svg,
  .print-trace-grid-numbers .trace-print-svg {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }

  .trace-print-svg .trace-guide {
    stroke: #222;
    stroke-width: 1.5;
  }

  .trace-print-svg .trace-start {
    fill: #222;
  }

  .trace-print-svg .trace-arrow {
    fill: #444;
  }

  .trace-print-svg .trace-stroke-num {
    fill: #333;
  }

  .trace-print-svg .trace-rule {
    stroke: #bbb;
  }
}