.cube-timer {
  --timer-bg: #0d1117;
  --timer-surface: #161b22;
  --timer-text: #e6edf3;
  --timer-muted: #8b949e;
  --timer-brand: #ff4d5d;
  --timer-brand-ready: #c93545;
  --timer-accent: #3cd6ff;
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 0 2rem;
  color: var(--timer-text);
}

.cube-timer__display-wrap {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
  border-radius: 16px;
  background: var(--timer-bg);
  margin-bottom: 1.5rem;
  transition: background-color 0.15s ease;
}

.cube-timer[data-state="ready"] .cube-timer__display-wrap {
  background: var(--timer-brand-ready);
}

.cube-timer[data-state="running"] .cube-timer__display-wrap {
  background: #000;
}

.cube-timer__display {
  font-variant-numeric: tabular-nums;
  font-size: clamp(3.5rem, 18vw, 6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.cube-timer__hint {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--timer-muted);
}

.cube-timer[data-state="ready"] .cube-timer__hint,
.cube-timer[data-state="running"] .cube-timer__hint {
  color: rgba(255, 255, 255, 0.85);
}

.cube-timer__scramble-wrap {
  text-align: center;
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--timer-surface);
  margin-bottom: 1.25rem;
}

.cube-timer__scramble-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--timer-muted);
  margin-bottom: 0.5rem;
}

.cube-timer__scramble {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(0.95rem, 3.5vw, 1.15rem);
  line-height: 1.6;
  word-break: break-word;
  margin-bottom: 0.75rem;
}

.cube-timer__controls {
  margin-bottom: 1.25rem;
}

.cube-timer__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.cube-timer__stat {
  text-align: center;
  padding: 0.75rem;
  border-radius: 10px;
  background: var(--timer-surface);
}

.cube-timer__stat-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  font-size: 0.75rem;
  color: var(--timer-muted);
  margin-bottom: 0.25rem;
}

.cube-timer__help-btn {
  border: none;
  background: transparent;
  color: var(--timer-muted);
  padding: 0;
  line-height: 1;
  font-size: 0.85rem;
  cursor: pointer;
}

.cube-timer__help-btn:hover {
  color: var(--timer-accent);
}

.cube-timer__stat-value {
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
  font-weight: 600;
}

.cube-timer__times-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.cube-timer__times-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.cube-timer__times-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 240px;
  overflow-y: auto;
  border-radius: 10px;
  background: var(--timer-surface);
}

.cube-timer__time-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cube-timer__time-item:last-child {
  border-bottom: none;
}

.cube-timer__time-rank {
  flex: 0 0 2rem;
  font-size: 0.8rem;
  color: var(--timer-muted);
  text-align: right;
}

.cube-timer__time-value {
  flex: 1;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.cube-timer__time-delete {
  flex: 0 0 auto;
  border: none;
  background: transparent;
  color: var(--timer-muted);
  padding: 0.25rem;
  line-height: 1;
  cursor: pointer;
}

.cube-timer__time-delete:hover {
  color: var(--timer-brand);
}

.cube-timer__times-empty {
  text-align: center;
  color: var(--timer-muted);
  font-size: 0.875rem;
  margin: 0.5rem 0 0;
}

.cube-timer__times-empty[hidden] {
  display: none;
}

.cube-timer__help {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: var(--timer-surface);
  border-left: 3px solid var(--timer-brand);
  font-size: 0.875rem;
  color: var(--timer-muted);
}

.cube-timer__help-title {
  font-weight: 600;
  color: var(--timer-text);
  margin-bottom: 0.5rem;
}

.cube-timer__help ul {
  margin: 0;
  padding-left: 1.25rem;
}

.cube-timer__help li + li {
  margin-top: 0.35rem;
}