/* Fraction Lab -- fraction tiles, circles, and a fraction wall */

.fl-setup {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.fl-setup h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.fl-pick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fl-pick {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  min-width: 170px;
  text-align: left;
}

.fl-pick strong { font-size: 1rem; }
.fl-pick small { color: var(--color-text-soft); }

.fl-pick[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: rgba(79, 216, 224, 0.12);
}

.fl-pick:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.fl-start-btn {
  align-self: flex-start;
  margin-top: 4px;
}

.fl-rewards {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

.fl-rewards strong { color: var(--color-text); }

.fl-play {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(79, 216, 224, 0.1), rgba(102, 187, 106, 0.08));
  border: 1px solid var(--color-border);
}

.fl-play.fl-theme-space { background: linear-gradient(180deg, rgba(63, 81, 181, 0.18), rgba(26, 35, 126, 0.14)); }
.fl-play.fl-theme-candy { background: linear-gradient(180deg, rgba(236, 64, 122, 0.18), rgba(123, 31, 162, 0.12)); }
.fl-play.fl-theme-ocean { background: linear-gradient(180deg, rgba(41, 182, 246, 0.18), rgba(2, 119, 189, 0.14)); }
.fl-play.fl-theme-volcano { background: linear-gradient(180deg, rgba(255, 112, 67, 0.2), rgba(191, 54, 12, 0.16)); }

.fl-banner {
  padding: 10px 16px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 1.15rem;
  font-weight: 700;
}

.fl-banner--good {
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-success);
  font-size: 1.05rem;
}

.fl-progress {
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

.fl-progress strong {
  color: var(--color-text);
  font-size: 1.05rem;
}

.fl-feedback {
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(238, 111, 168, 0.14);
  color: var(--color-accent);
  font-weight: 600;
}

/* Fraction tile bar */
.fl-bar {
  position: relative;
  display: flex;
  width: 100%;
  height: 56px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
}

.fl-tile-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: var(--color-primary);
  color: var(--color-on-accent);
  font-weight: 700;
  font-size: 0.8rem;
  border-right: 2px solid var(--color-bg);
  box-sizing: border-box;
}

.fl-tile-empty {
  height: 100%;
  border-right: 1px dashed var(--color-border);
  box-sizing: border-box;
}

.fl-target-marker {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 3px;
  background: var(--color-accent);
}

.fl-tray h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}

.fl-tray-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fl-tray-btn {
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
}

.fl-tray-btn:hover:not(:disabled) { background: var(--color-surface-hover); }

.fl-tray-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.fl-build-actions {
  display: flex;
  gap: 10px;
}

/* Fraction circles */
.fl-compare-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 10px 0;
}

.fl-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fl-circle:hover { border-color: var(--color-primary); }

.fl-circle-label {
  background: var(--color-bg);
  color: var(--color-text);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.1rem;
}

.fl-equal-btn {
  align-self: center;
}

/* Fraction wall */
.fl-wall {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 8px;
  background: var(--color-bg-alt);
}

.fl-wall-row {
  display: flex;
  gap: 2px;
  height: 26px;
}

.fl-wall-cell {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
}

.fl-wall-cell--target {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.fl-choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.fl-choice-btn {
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
}

.fl-choice-btn:hover { background: var(--color-surface-hover); }

.fl-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}