/* Game View */
.game {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
}

.game__canvas-wrap {
  flex: 1;
  position: relative;
  min-height: 0;
}

.game__canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Countdown overlay */
.game__countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(5rem, 20vw, 10rem);
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(13, 13, 13, 0.7);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.game__countdown.visible {
  opacity: 1;
}

/* Loop score popup */
.game__loop-score {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  font-size: clamp(4rem, 15vw, 7rem);
  font-weight: 700;
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.game__loop-score.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.game__loop-score.great { color: var(--color-in-tune); }
.game__loop-score.good { color: var(--color-close); }
.game__loop-score.poor { color: var(--color-off); }

/* Game top bar (song info + score) */
.game__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.game__song-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 50%;
}

.game__live-score {
  font-family: var(--font-mono);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-accent);
}

/* Game controls bar */
.game__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}

.game__controls-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.game__btn {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  padding: 0 var(--space-sm);
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.game__btn:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
}

.game__btn:active {
  transform: scale(0.95);
}

.game__btn.active {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.game__btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.game__select {
  min-height: 44px;
  padding: 0 var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.game__select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Song Library View */
.library {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.library__header {
  padding: var(--space-sm) var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

/* Library tabs */
.library__tabs {
  display: flex;
  gap: 0;
}

.library__tab {
  flex: 1;
  padding: var(--space-md) var(--space-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-dim);
  text-align: center;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  min-height: 44px;
}

.library__tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.library__tab:hover {
  color: var(--color-text-muted);
}

/* Library panels */
.library__panel {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.library__panel.hidden {
  display: none;
}

.library__list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-sm) 0;
}

.library__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: background var(--transition-fast);
  min-height: 60px;
}

.library__item:hover {
  background: var(--color-bg-elevated);
}

.library__item:active {
  background: var(--color-bg-surface);
}

.library__item-info {
  flex: 1;
  min-width: 0;
}

.library__item-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.library__item-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
  margin-top: 2px;
}

.library__item-difficulty {
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.library__item-difficulty.easy {
  color: var(--color-in-tune);
  background: rgba(78, 205, 196, 0.1);
}

.library__item-difficulty.medium {
  color: var(--color-close);
  background: rgba(255, 230, 109, 0.1);
}

.library__item-difficulty.hard {
  color: var(--color-off);
  background: rgba(255, 107, 107, 0.1);
}

/* Results overlay */
.results-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.results-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.results__score {
  font-size: clamp(3rem, 12vw, 6rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.results__score.great { color: var(--color-in-tune); }
.results__score.good { color: var(--color-close); }
.results__score.poor { color: var(--color-off); }

.results__label {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.results__notes {
  width: 100%;
  max-width: 400px;
  max-height: 40vh;
  overflow-y: auto;
  margin-bottom: var(--space-xl);
}

.results__note-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--color-border-subtle);
}

.results__note-name {
  color: var(--color-text-muted);
  min-width: 40px;
}

.results__note-bar {
  flex: 1;
  height: 6px;
  background: var(--color-bg-surface);
  border-radius: 3px;
  margin: 0 var(--space-sm);
  overflow: hidden;
}

.results__note-fill {
  height: 100%;
  border-radius: 3px;
  transition: width var(--transition-slow);
}

.results__note-fill.great { background: var(--color-in-tune); }
.results__note-fill.good { background: var(--color-close); }
.results__note-fill.poor { background: var(--color-off); }

.results__note-score {
  color: var(--color-text-dim);
  min-width: 30px;
  text-align: right;
}

.results__actions {
  display: flex;
  gap: var(--space-md);
}

.results__btn {
  min-width: 120px;
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: background var(--transition-fast);
}

.results__btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.results__btn--primary:hover {
  background: color-mix(in srgb, var(--color-accent) 85%, black);
}

.results__btn--secondary {
  background: var(--color-bg-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.results__btn--secondary:hover {
  background: var(--color-bg-elevated);
}

/* Practice Configurator */
.practice {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.practice__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.practice__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.practice__controls-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.practice__separator {
  color: var(--color-text-dim);
  font-size: var(--font-size-sm);
}

.practice__select {
  min-height: 44px;
  padding: 0 var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
}

.practice__select--wide {
  width: 100%;
}

.practice__select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.practice__start-btn {
  min-height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-bg);
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: var(--space-sm);
  transition: background var(--transition-fast);
}

.practice__start-btn:hover {
  background: color-mix(in srgb, var(--color-accent) 85%, black);
}

.practice__start-btn:active {
  transform: scale(0.98);
}