/* ── 共通ボタン ───────────────────────────────── */
.primary-btn,
.secondary-btn,
.ghost-btn {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-line-strong);
  background: var(--color-ink);
  color: var(--color-paper);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: transform 0.08s ease, background 0.15s ease;
}

.primary-btn:hover,
.primary-btn:focus-visible {
  transform: translateY(-1px);
}

.primary-btn:active {
  transform: translateY(1px) scale(0.98);
}

.primary-btn--big {
  font-size: 1.3rem;
  padding: var(--space-4) var(--space-7);
}

.secondary-btn {
  background: transparent;
  color: var(--color-ink);
}

.secondary-btn:hover {
  background: var(--color-surface-raised);
}

.ghost-btn {
  background: transparent;
  color: var(--color-muted);
  border-color: var(--color-line);
  font-size: 0.9rem;
  padding: var(--space-2) var(--space-4);
}

.ghost-btn:hover {
  color: var(--color-ink);
  border-color: var(--color-line-strong);
}

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

.button-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── タイトル画面 ───────────────────────────────── */
.title-overlay {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 400;
  font-synthesis-weight: none;
  color: var(--color-muted);
  letter-spacing: 0.15em;
  margin: 0;
  font-size: 0.95rem;
}

.brand-title {
  font-family: var(--font-pixel);
  font-size: clamp(1.6rem, 6vw, 3rem);
  line-height: 1.4;
  color: var(--color-ink);
  margin: 0;
  text-shadow: 0 0 12px rgba(243, 241, 234, 0.35);
}

.title-overlay .blink-prompt {
  font-size: 1rem;
  color: var(--color-ink-soft);
  margin-top: var(--space-4);
}

/* ── プロフィール選択 ───────────────────────────── */
.profile-grid,
.avatar-grid,
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
  width: 100%;
}

.profile-card,
.avatar-cell,
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  cursor: pointer;
  min-height: 110px;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.08s ease;
}

.profile-card:hover,
.avatar-cell:hover,
.category-card:hover {
  border-color: var(--color-line-strong);
  background: var(--color-surface-raised);
}

.profile-card:active,
.avatar-cell:active,
.category-card:active {
  transform: scale(0.97);
}

.profile-card.is-selected,
.avatar-cell.is-selected,
.category-card.is-selected {
  border-color: var(--color-ink);
  background: var(--color-surface-raised);
}

.profile-card canvas,
.avatar-cell canvas,
.category-card canvas {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
}

.profile-card-name {
  font-size: 0.95rem;
  color: var(--color-ink);
}

.profile-card-best {
  font-size: 0.75rem;
  color: var(--color-faint);
  font-variant-numeric: tabular-nums;
}

.name-input {
  width: 100%;
  max-width: 320px;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-line-strong);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  text-align: center;
}

.name-input:focus-visible {
  outline: 2px solid var(--color-ink);
}

/* ── モード選択 ───────────────────────────────── */
.lang-toggle {
  display: flex;
  gap: var(--space-3);
}

.lang-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-pixel);
  font-size: 1.8rem;
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  cursor: pointer;
}

.lang-btn-sub {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-muted);
}

.lang-btn.is-selected {
  border-color: var(--color-ink);
  background: var(--color-surface-raised);
}

.category-card-label {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}

/* ── ゲーム画面 HUD ───────────────────────────── */
.game-hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(to bottom, rgba(20, 19, 16, 0.85), rgba(20, 19, 16, 0));
  font-family: var(--font-pixel);
}

.hud-left {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.hud-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
}

.hud-value {
  font-size: 1.3rem;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.hud-center {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}

.hud-right {
  display: flex;
  gap: var(--space-2);
}

.speaker-btn,
.pause-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line-strong);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.speaker-btn:hover,
.pause-btn:hover {
  background: var(--color-surface-raised);
}

.word-caption {
  position: absolute;
  left: 50%;
  bottom: 34%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  pointer-events: none;
}

.word-caption-main {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.4rem, 5vw, 2.2rem);
  color: var(--color-ink);
  letter-spacing: 0.08em;
}

.word-caption-sub {
  font-family: var(--font-pixel);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
}

.word-caption-sub .char {
  color: var(--color-faint);
}

.word-caption-sub .char.is-done {
  color: var(--color-laser);
}

.word-caption-sub .char.is-next {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ── オンスクリーンキーボード ───────────────────── */
.keyboard-overlay {
  position: absolute;
  left: 50%;
  bottom: var(--space-4);
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}

.kb-row {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.kb-key {
  min-width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-faint);
  border: 1px solid var(--color-line);
  background: rgba(28, 27, 23, 0.7);
  text-transform: lowercase;
}

.kb-key.is-next {
  color: var(--color-paper);
  background: var(--color-laser);
  border-color: var(--color-laser);
}

/* ── 結果画面 ───────────────────────────────── */
.results-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  font-family: var(--font-mono);
  color: var(--color-ink-soft);
  font-size: 1rem;
}

.results-summary .results-highlight {
  font-family: var(--font-pixel);
  font-size: 1.8rem;
  color: var(--color-ink);
}

@media (max-width: 480px) {
  .kb-key { min-width: 20px; height: 22px; font-size: 0.6rem; }
}