/* 视奏练习 · 页面样式（复用 style.css 的变量） */

@font-face {
  font-family: 'Noto Music';
  src: url('/fonts/NotoMusic.woff2') format('woff2');
  font-display: swap;
}

.game-page {
  max-width: 1000px;
}

.game-card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.game-hud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 2px 4px 12px;
  color: var(--muted);
  font-size: 0.86rem;
}

.hud-item b {
  color: var(--ink);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  margin-left: 2px;
}

.stage-wrap {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  height: 460px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffdfa;
  overflow: hidden;
}

#staff {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
}

.stage-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(250, 247, 242, 0.86);
  backdrop-filter: blur(2px);
  text-align: center;
  padding: 16px;
}

.overlay-text {
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.overlay-sub {
  color: var(--ink-soft);
  font-size: 0.95rem;
  white-space: pre-line;
}

.answer-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  margin: 14px auto 0;
  max-width: 640px;
}

.answer-btn {
  position: relative;
  min-height: 54px;
  padding: 8px 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.12s ease, border-color 0.12s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.answer-btn:hover {
  border-color: #e5c3ac;
  background: #fffaf5;
}

.answer-btn:active {
  transform: scale(0.97);
}

.answer-btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.answer-btn .key-hint {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.answer-btn.is-correct {
  background: #e8f6ec;
  border-color: #9fd3ae;
  color: #2f7a4a;
}

.answer-btn.is-wrong {
  background: #fdf0ef;
  border-color: #f2c3bd;
  color: var(--danger);
}

.game-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.game-tip {
  margin: 0;
}

/* ---------- 设置 ---------- */

.settings-card {
  margin-top: 18px;
  padding: 20px 22px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.settings-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.settings-title .btn {
  margin-left: auto;
}

.settings-title h2 {
  margin: 0;
  font-size: 1.1rem;
}

.setting-group {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.setting-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.setting-label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.setting-label b {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.setting-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.setting-head .setting-label {
  margin: 0;
}

.select {
  width: 100%;
  max-width: 360px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fffdfa;
  font-size: 0.95rem;
}

.select:focus {
  outline: none;
  border-color: #e5b998;
  box-shadow: 0 0 0 4px rgba(221, 116, 64, 0.12);
}

.select-inline {
  width: auto;
  max-width: 260px;
  padding: 7px 10px;
  font-size: 0.88rem;
}

.naming-label {
  gap: 8px;
}

#speed {
  flex: 1;
  width: auto;
  max-width: 520px;
  accent-color: var(--accent);
}

.speed-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

#speed-input {
  width: 76px;
  flex: none;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fffdfa;
  font-size: 0.95rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

#speed-input:focus {
  outline: none;
  border-color: #e5b998;
  box-shadow: 0 0 0 4px rgba(221, 116, 64, 0.12);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.78rem;
  cursor: pointer;
}

.chip:hover {
  border-color: #e5c3ac;
  color: var(--ink);
}

.note-grid {
  display: grid;
  gap: 5px;
  max-width: 560px;
  user-select: none;
  -webkit-user-select: none;
}

.lane-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.lane-card {
  padding: 12px 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffdfa;
}

.lane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.lane-head h3 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink);
}

.lane-head .select {
  width: auto;
  max-width: 170px;
  padding: 7px 10px;
  font-size: 0.85rem;
  border-radius: 10px;
}

.lane-card .quick-actions {
  margin-bottom: 8px;
}

.lane-card .note-grid {
  max-width: none;
}

.lane-card .note-row {
  grid-template-columns: 34px repeat(7, minmax(0, 1fr));
  gap: 4px;
}

.lane-card .note-cell {
  height: 30px;
  border-radius: 7px;
  font-size: 0.72rem;
}

.lane-card .octave-label {
  font-size: 0.68rem;
  padding-right: 2px;
}

.note-row {
  display: grid;
  grid-template-columns: 46px repeat(7, minmax(0, 1fr));
  gap: 5px;
  align-items: center;
}

.octave-label {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: right;
  padding-right: 4px;
  white-space: nowrap;
}

.note-cell {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfa;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.note-cell.is-on {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.note-cell:hover {
  border-color: #e5c3ac;
}

.note-cell.is-empty {
  visibility: hidden;
  pointer-events: none;
}

.setting-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  cursor: pointer;
}

.check input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.settings-hint {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.settings-card.is-locked .setting-group,
.settings-card.is-locked .settings-hint {
  opacity: 0.6;
  pointer-events: none;
}

/* ---------- 小屏 ---------- */

@media (max-width: 680px) {
  .game-card {
    padding: 12px;
  }

  .stage-wrap {
    height: 360px;
    max-width: none;
  }

  .lane-grid {
    grid-template-columns: 1fr;
  }

  .lane-card .note-row {
    grid-template-columns: 32px repeat(7, minmax(0, 1fr));
    gap: 4px;
  }

  .answer-row {
    gap: 5px;
    margin-top: 10px;
    max-width: none;
  }

  .answer-btn {
    min-height: 50px;
    border-radius: 11px;
    font-size: 0.92rem;
  }

  .answer-btn .key-hint {
    font-size: 0.6rem;
  }

  .game-hud {
    gap: 6px 14px;
    font-size: 0.78rem;
  }

  .hud-item b {
    font-size: 0.92rem;
  }

  .settings-card {
    padding: 16px 14px 18px;
  }

  .note-row {
    grid-template-columns: 40px repeat(7, minmax(0, 1fr));
    gap: 4px;
  }

  .note-cell {
    height: 32px;
    border-radius: 7px;
    font-size: 0.72rem;
  }

  .octave-label {
    font-size: 0.68rem;
  }

  .select {
    max-width: none;
  }
}