/* ============================================
   Web Synth - Ableton風ラックスタイル
   tpl/tool-box-tpl.html をベースにしたスタイル
   ============================================ */

/* ---------- テンプレート: CSS変数 ---------- */
:root {
  --accent: #628878;
  --accent-hover: #4a6b5a;
  --accent-dark: #4d6b5f;
  --accent-light: #e8f0ec;
  --accent-bg: rgba(98, 136, 120, 0.15);
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8eaed;
  --bg-panel: #ffffff;
  --border-color: #d1d5db;
  --border-light: #e5e7eb;
  --text-primary: #333;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --color-source: #628878;
  --color-effect: #4271ae;
  --color-modulator: #8959a8;
  /* ケーブル・ジャック：接続種別ごとの色（させるところと対応） */
  --cable-modulation: #628878;
  --cable-pitch: #628878;
  --cable-gate: #b8860b;
  --cable-sync: #721721;
}
html.dark-mode {
  --accent: #628878;
  --accent-hover: #7aa08a;
  --accent-light: #2a3d32;
  --accent-dark: #628878;
  --accent-bg: rgba(98, 136, 120, 0.2);
  --bg-primary: #1a1a1a;
  --bg-secondary: #252525;
  --bg-tertiary: #2d2d2d;
  --bg-panel: #2a2a2a;
  --border-color: #404040;
  --border-light: #353535;
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #888888;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --color-source: #7aa08a;
  --color-effect: #6b9bd1;
  --color-modulator: #a87cc0;
  --cable-modulation: #7aa08a;
  --cable-pitch: #7aa08a;
  --cable-gate: #d4a84b;
  --cable-sync: #a04040;
}

/* ---------- テンプレート: 基本要素 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  overflow-x: hidden;
  overflow-y: hidden;
  height: 100%;
}
body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  user-select: none;
  overflow-x: hidden;
  overflow-y: hidden;
  max-width: 100vw;
  height: 100%;
}
.container {
  max-width: 100%;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  padding: 0.35rem 1rem 1rem 1rem;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}
p { line-height: 1.7; color: var(--text-secondary); margin: 0.5em 0; }

/* ---------- テンプレート: ヘッダー ---------- */
.header {
  background: var(--bg-secondary);
  padding: 0.5rem 1rem;
  margin-bottom: 0;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-content {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  box-sizing: border-box;
}
.header h1 {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-cable-sag {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.header-cable-sag__label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.header-cable-sag__slider {
  width: 56px;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 3px;
}

.header-cable-sag__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.header-cable-sag__slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.header-cable-sag__value {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 1.5rem;
  text-align: right;
}

.header-btn {
  padding: 0.35rem 0.6rem;
  font-size: 0.8rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.header-btn:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}

.header-btn--file {
  margin: 0;
  cursor: pointer;
}

.header-btn--file input {
  display: none;
}

.theme-toggle {
  padding: 0.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9em;
  color: var(--text-primary);
  transition: all 0.2s;
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  transform: scale(1.1);
}

.theme-toggle .theme-icon { display: block; line-height: 1; }
.theme-toggle .theme-toggle-text { display: none; }

/* ---------- モジュールピッカー（ラック上） ---------- */
.synth-picker {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: 8px;
}

.synth-picker__group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-light);
}

.synth-picker__group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.synth-picker__group-heading {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.synth-picker__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.synth-picker__hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin: 0.2rem 0 0;
}

.synth-picker__row-choice {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.synth-picker__row-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.synth-picker__row-select {
  padding: 0.2rem 0.4rem;
  font-size: 0.72rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  min-width: 6rem;
  max-width: 12rem;
}

.synth-picker__list-scroll {
  max-height: 5.5rem;
  overflow-y: auto;
  overflow-x: hidden;
}

.synth-picker__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.synth-picker__item {
  padding: 0.3rem 0.6rem;
  font-size: 0.78rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.synth-picker__item:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.synth-picker__item:active {
  transform: scale(0.98);
}

.synth-picker__item--source { border-color: var(--color-source); color: var(--color-source); }
.synth-picker__item--source:hover { background: rgba(98, 136, 120, 0.12); }
.synth-picker__item--effect { border-color: var(--color-effect); color: var(--color-effect); }
.synth-picker__item--effect:hover { background: rgba(66, 113, 174, 0.12); }
.synth-picker__item--modulator { border-color: var(--color-modulator); color: var(--color-modulator); }
.synth-picker__item--modulator:hover { background: rgba(160, 100, 160, 0.12); }

/* モジュール一覧の右側：常に表示するプレビュー枠（ホバーで内容＋説明を表示）。スクロールなしで3グループが収まる高さ */
.picker-and-preview {
  --picker-min-height: 200px;
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  height: var(--picker-min-height);
  min-height: var(--picker-min-height);
}

.picker-and-preview .synth-picker {
  flex: 1;
  min-width: 0;
  min-height: 0;
  margin-bottom: 0;
  overflow-y: auto;
  padding: 0.5rem 0.75rem 0 0.75rem;
  gap: 0.4rem;
}

/* プレビューはピッカー縦幅に合わせて正方形（縦＝横ピクセル） */
.module-preview-wrapper {
  flex-shrink: 0;
  height: 100%;
  width: auto;
  aspect-ratio: 1;
}

.module-preview {
  align-self: stretch;
  width: 100%;
  min-height: 0;
  height: 100%;
  padding: 0.35rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

.module-preview__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 0;
}

.module-preview__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  align-items: center;
  z-index: 1;
}

.module-preview__inner {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  transform-origin: top center;
  pointer-events: none;
  overflow: hidden;
}

.module-preview__inner .synth-module {
  pointer-events: none;
  flex-shrink: 0;
}

/* プレビュー枠の下約3割：モジュール説明（英語・概要・信号）。ホバー時のみ表示 */
.module-preview__description {
  display: none;
  flex-shrink: 0;
  min-height: 3.5rem;
  max-height: 38%;
  padding: 0.3rem 0.4rem;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.module-preview.module-preview--active .module-preview__description {
  display: block;
}

.module-preview.module-preview--active .module-preview__placeholder {
  visibility: hidden;
}

/* ---------- ラックエリア（ラック＋右側マスター）窓幅に収める ---------- */
.synth-rack-area {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* 信号フロー用: 矢印パターン（SVG data URL）。タイトル行は固定、データ行のみスクロール（MODULATORS と同じ構成） */
.synth-rack {
  flex: 1;
  min-height: 120px;
  min-width: 0;
  padding: 0.75rem;
  position: relative;
  background: var(--bg-tertiary);
  background-image:
    linear-gradient(105deg, transparent 0%, transparent 40%, rgba(98, 136, 120, 0.04) 50%, transparent 60%, transparent 100%),
    linear-gradient(to right, rgba(98, 136, 120, 0.03) 0%, transparent 20%, rgba(66, 113, 174, 0.04) 50%, rgba(137, 89, 168, 0.03) 85%, transparent 100%);
  background-size: 200% 100%, 100% 100%;
  background-repeat: repeat-y, no-repeat;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  overflow: hidden;
  min-height: 0;
}

.synth-rack__scroll {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-x: hidden;
  overflow-y: auto;
  padding-bottom: 8rem;
  overscroll-behavior: none;
}

html.dark-mode .synth-rack {
  background-image:
    linear-gradient(105deg, transparent 0%, transparent 40%, rgba(122, 160, 138, 0.06) 50%, transparent 60%, transparent 100%),
    linear-gradient(to right, rgba(122, 160, 138, 0.05) 0%, transparent 20%, rgba(107, 155, 209, 0.06) 50%, rgba(168, 124, 192, 0.05) 85%, transparent 100%);
}

.synth-rack__row {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
}

/* モジュール開始位置を MODULATORS に揃える：タイトル行の高さと下余白を同一に */
.synth-rack__header-row {
  flex-shrink: 0;
  min-height: 1.25rem;
  padding-bottom: 0.25rem;
  margin-bottom: 0.25rem;
}

.synth-rack__header-row .synth-rack__col {
  align-items: center;
}

.synth-rack__header-row .synth-rack__col--source {
  min-width: 200px;
}

.synth-rack__section-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.synth-rack__row:last-child {
  border-bottom: none;
}

.synth-rack__col {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
}

.synth-rack__row-num {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  flex-shrink: 0;
}

.synth-rack__mute-solo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  flex-shrink: 0;
}

.synth-rack__mute,
.synth-rack__solo {
  width: 1.2rem;
  height: 1.2rem;
  padding: 0;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.synth-rack__mute {
  color: #4261a2;
  background: transparent;
}

.synth-rack__mute:hover {
  background: rgba(66, 97, 162, 0.15);
}

.synth-rack__mute--on {
  background: #4261a2;
  color: #fff;
  border-color: #4261a2;
}

.synth-rack__solo {
  color: #a68b2e;
  background: transparent;
}

.synth-rack__solo:hover {
  background: rgba(166, 139, 46, 0.2);
}

.synth-rack__solo--on {
  background: #c9a227;
  color: #1a1a1a;
  border-color: #c9a227;
}

html.dark-mode .synth-rack__solo--on {
  color: #1a1a1a;
}

.synth-rack__col--pan {
  flex-shrink: 0;
  width: 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.2rem;
  padding: 0 0.1rem;
}

.synth-rack__slot--pan {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  width: 100%;
  background: transparent;
  border: none;
  padding: 0;
}

.synth-rack__pan--hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.synth-rack__pan-knob {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.synth-rack__pan-knob-needle {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 45%;
  background: var(--accent);
  border-radius: 1px;
  transform-origin: 50% 100%;
  margin-left: -1px;
  margin-top: -45%;
}

.synth-rack__pan-jack {
  flex-shrink: 0;
}

.synth-rack__col--source {
  flex-shrink: 0;
  position: relative;
  background: linear-gradient(to right, rgba(98, 136, 120, 0.14) 0%, transparent 100%);
  border-radius: 6px;
  padding-right: 0.25rem;
}
html.dark-mode .synth-rack__col--source {
  background: linear-gradient(to right, rgba(122, 160, 138, 0.2) 0%, transparent 100%);
}

.synth-rack__col--chain {
  flex-wrap: nowrap;
  flex: 1;
  min-width: 0;
  position: relative;
  overflow-x: auto;
  overflow-y: visible;
  /* 端でのオーバースクロールを無効化 */
  overscroll-behavior: none;
  background: linear-gradient(to right, rgba(66, 113, 174, 0.12) 0%, transparent 100%);
  border-radius: 6px;
  padding-left: 0.1rem;
  padding-right: 1.25rem;
}
html.dark-mode .synth-rack__col--chain {
  background: linear-gradient(to right, rgba(107, 155, 209, 0.18) 0%, transparent 100%);
}

.synth-rack__slot {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.15s, opacity 0.15s;
  position: relative;
  overflow-x: hidden;
  overflow-y: visible;
}

.synth-rack__slot-arrows {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  padding: 0.15rem 0.2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  border-radius: 6px 6px 0 0;
  flex-shrink: 0;
}

.synth-rack__slot-arrow {
  padding: 0.1rem 0.2rem;
  font-size: 0.55rem;
  line-height: 1;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  min-width: 1.2rem;
}

.synth-rack__slot-arrow:hover:not(:disabled) {
  color: var(--accent);
  background: var(--accent-light);
}

.synth-rack__slot-arrow--disabled,
.synth-rack__slot-arrow:disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

/* スロット内のモジュール本体（矢印の下） */
.synth-rack__slot .synth-module {
  border-radius: 0 0 8px 8px;
}

/* ---------- Modulators 専用パネル（マスターの左・縦に並ぶ） ---------- */
.synth-modulators-panel {
  flex-shrink: 0;
  width: 240px;
  padding: 0.75rem;
  background: linear-gradient(180deg, rgba(137, 89, 168, 0.14) 0%, var(--bg-panel) 40%);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-self: stretch;
  min-height: 0;
  overflow: hidden;
}
html.dark-mode .synth-modulators-panel {
  background: linear-gradient(180deg, rgba(168, 124, 192, 0.2) 0%, var(--bg-panel) 45%);
}

.synth-modulators-panel__title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  width: 200px;
  max-width: 100%;
  box-sizing: border-box;
  min-height: 1.25rem;
  display: flex;
  align-items: center;
}

.synth-modulators-panel__row {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  align-items: stretch;
  padding-bottom: 8rem;
}

.synth-modulators-panel__row .synth-rack__slot {
  flex-shrink: 0;
}

/* Modulators セクション内は Envelope 幅（200px）に統一してパネル横幅を確定 */
.synth-modulators-panel .synth-module {
  width: 200px;
  max-width: 200px;
  min-width: 200px;
}

/* Modulators パネル内の順番入れ替え矢印は非表示 */
.synth-modulators-panel__row .synth-rack__slot-arrows {
  display: none;
}

/* ---------- ラック右パネル：全体音量・レベル・出力波形（ラックと同じ高さ） ---------- */
.synth-master-panel {
  flex-shrink: 0;
  width: 120px;
  padding: 0.75rem;
  background: linear-gradient(180deg, rgba(114, 23, 33, 0.18) 0%, var(--bg-panel) 35%);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-self: stretch;
}
html.dark-mode .synth-master-panel {
  background: linear-gradient(180deg, rgba(114, 23, 33, 0.25) 0%, var(--bg-panel) 40%);
}

.synth-master-panel__title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

.synth-master-sync {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  position: relative;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.synth-master-sync__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
}

.synth-master-sync__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-sync__bar {
  flex: 1;
  min-width: 0;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.synth-master-sync__bar-fill {
  height: 100%;
  background: #721721;
  border-radius: 2px;
  transition: width 0.05s ease-out;
}

.synth-master-sync__slider.synth-master-sync__slider--hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.synth-master-sync__value {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 2.5em;
}

.synth-master-sync__value--editable {
  cursor: ns-resize;
}

/* BPM 同期表示ランプ（tick ごとに点滅） */
.synth-master-sync__lamp {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(114, 23, 33, 0.35);
  border: 1px solid rgba(114, 23, 33, 0.5);
  flex-shrink: 0;
  transition: background 0.05s ease-out, box-shadow 0.05s ease-out;
}

.synth-master-sync__lamp--on {
  background: #c04040;
  box-shadow: 0 0 6px rgba(192, 64, 64, 0.8);
}

html.dark-mode .synth-master-sync__lamp--on {
  background: #e05050;
  box-shadow: 0 0 8px rgba(224, 80, 80, 0.9);
}

.synth-master-sync__jack-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

/* ジャックをラック側（パネル左端）に配置 */
.synth-master-sync__jack-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.synth-master-sync__jack-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.synth-master-volume {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  position: relative;
}

.synth-master-volume__row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.synth-master-volume__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.synth-master-volume__bar {
  flex: 1;
  min-width: 0;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.synth-master-volume__bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.05s ease-out;
}

.synth-master-volume__slider.synth-master-volume__slider--hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.synth-master-volume__value {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 3em;
}

.synth-master-volume__value--editable {
  cursor: ns-resize;
}

.synth-master-meter {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}


.synth-master-meter__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-meter__container {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
  align-items: center;
  min-height: 128px;
  padding: 0.2rem 0.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.synth-master-meter__scale {
  position: relative;
  flex-shrink: 0;
  width: 1.1rem;
  min-height: 100%;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  font-size: 6px;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
  line-height: 1.4;
}

.synth-master-meter__tick {
  position: absolute;
  left: 0;
  /* ランプの padding 内の内容エリアに合わせて配置（0〜100% を padding 除いた高さにマッピング） */
  top: calc(0.35rem + (var(--pos) / 100) * (100% - 0.7rem));
  transform: translateY(-50%);
  line-height: 1.4;
  white-space: nowrap;
}

.synth-master-meter__segments {
  flex: 0 0 10px;
  display: flex;
  flex-direction: column-reverse;
  gap: 1px;
  align-self: stretch;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.synth-master-meter__segment {
  flex: 1;
  min-height: 2px;
  background: var(--border-light);
  border-radius: 1px;
  transition: background 0.05s ease-out;
}

.synth-master-meter__segment--on {
  background: var(--accent);
}

/* 相関メーター（L/R 相関 -1 ～ +1） */
.synth-master-correlation {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.synth-master-correlation__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-correlation__bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.synth-master-correlation__track {
  flex: 1;
  position: relative;
  height: 10px;
  min-width: 60px;
  background: var(--bg-secondary);
  border-radius: 3px;
}

.synth-master-correlation__center {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--text-muted);
  transform: translateX(-50%);
}

.synth-master-correlation__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.05s ease-out, left 0.05s ease-out;
}

/* クリップ LED */
.synth-master-meter__label-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
}
.synth-master-meter__clip-led {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: background 0.1s;
  flex-shrink: 0;
}
.synth-master-meter__clip-led--on {
  background: #e04040;
  box-shadow: 0 0 4px rgba(224, 64, 64, 0.7);
}

/* マスターチェーンツール（DC / Mono / Limiter / Comp） */
.synth-master-chain-tools {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 4px 0 2px;
  border-top: 1px solid var(--border-light);
}
.synth-master-chain-tools__row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.synth-master-chain-btn {
  font-size: 0.52rem;
  padding: 1px 5px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.6;
}
.synth-master-chain-btn:hover {
  background: var(--accent-bg);
  color: var(--text-primary);
}
.synth-master-chain-btn--active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.synth-master-chain-tools__bar {
  flex: 1;
  height: 5px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
  min-width: 16px;
}
.synth-master-chain-tools__bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0;
  pointer-events: none;
}
.synth-master-chain-tools__slider--hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}
.synth-master-chain-tools__value {
  font-size: 0.6rem;
  color: var(--text-secondary);
  min-width: 38px;
  text-align: right;
  white-space: nowrap;
  cursor: ns-resize;
}

/* コンプレッサーパネル */
.synth-master-comp__head {
  display: flex;
  align-items: center;
  gap: 4px;
}
.synth-master-comp__expand {
  font-size: 0.52rem;
  padding: 0 3px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: transform 0.2s;
  line-height: 1.8;
}
.synth-master-comp--open .synth-master-comp__expand {
  transform: rotate(-180deg);
}
.synth-master-comp__params {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.synth-master-comp--open .synth-master-comp__params {
  max-height: 300px;
}
.synth-master-comp__row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-top: 4px;
}
.synth-master-comp__label {
  font-size: 0.6rem;
  color: var(--text-muted);
  min-width: 26px;
  flex-shrink: 0;
}

/* ピークホールドセグメント */
.synth-master-meter__segment--peak {
  background: rgba(98, 136, 120, 0.45);
}

/* 各グラフブロック（矢印で設定を垂れ下げ） */
.synth-master-graph-block {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.synth-master-graph-block__head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.synth-master-graph-block__wrap {
  position: relative;
  z-index: 1; /* 窓で設定項目の文字を隠す */
}

.synth-master-graph-block__wrap:hover .synth-master-graph-block__trigger,
.synth-master-graph-block--settings-open .synth-master-graph-block__trigger {
  opacity: 1;
}

.synth-master-graph-block__trigger {
  position: absolute;
  right: 3px;
  bottom: 3px;
  width: 16px;
  height: 16px;
  padding: 0;
  font-size: 9px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s, transform 0.2s ease-out;
  border: none;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.synth-master-graph-block__trigger:hover {
  background: rgba(0, 0, 0, 0.25);
}

.synth-master-graph-block--settings-open .synth-master-graph-block__trigger {
  transform: rotate(-180deg);
}

/* 設定パネル：引き出しが行きすぎる→戻る／しまうときはスッと */
.synth-master-graph-block__settings {
  max-height: 0;
  margin-top: -8px;
  overflow: hidden;
  padding-left: 0.28rem;
  padding-right: 0.28rem;
  padding-top: 0;
  padding-bottom: 0;
  transition:
    max-height 0.26s ease-out,
    padding-top 0.26s ease-out,
    padding-bottom 0.26s ease-out,
    margin 0.26s ease-out;
  transition-delay: 0.2s;
}

.synth-master-graph-block--settings-open .synth-master-graph-block__settings {
  max-height: 80vh;
  padding-top: calc(0.2rem + 8px);
  padding-bottom: 0.2rem;
  margin-top: -8px;
  transition-delay: 0s;
  transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
}

.synth-master-graph-block__settings-inner {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: 0;
  transform: translateY(-100%);
  transition: transform 0.38s ease-out, margin-top 0.4s;
  transition-delay: 0s;
}

.synth-master-graph-block--settings-open .synth-master-graph-block__settings-inner {
  transform: translateY(0);
  margin-top: -0.15em; /* 窓の縁で少し隠す程度、一番上は見える */
  transition-delay: 0.05s;
  transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
  transition-duration: 0.4s;
}

.synth-master-graph-opts__row {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.synth-master-graph-opts__label {
  font-size: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  min-width: 2.4rem;
  flex-shrink: 0;
}

.synth-master-graph-opts__bar {
  flex: 0 0 1rem;
  width: 1rem;
  min-width: 1rem;
  height: 3px;
  background: var(--bg-secondary);
  border-radius: 1px;
  overflow: hidden;
}

.synth-master-graph-opts__bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.05s ease-out;
}

.synth-master-graph-opts__slider.synth-master-graph-opts__slider--hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.synth-master-graph-opts__value {
  font-size: 0.52rem;
  color: var(--text-muted);
  min-width: 1.6rem;
  text-align: right;
  cursor: ns-resize;
  user-select: none;
}

.synth-master-graph-opts__select {
  font-size: 0.5rem;
  padding: 0.08rem 0.15rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
}

.synth-master-graph-opts__check {
  accent-color: var(--accent);
  width: 0.7rem;
  height: 0.7rem;
}

/* 出力波形窓（モジュールの波形ビジュアライズと同じ高さ） */
.synth-master-waveform__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-waveform__wrap {
  height: 56px;
  min-height: 56px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.synth-master-waveform__canvas {
  display: block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

/* スペクトラムアナライザ（幅は Wave 窓と同じ・正方形） */
.synth-master-spectrum {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.synth-master-spectrum__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-spectrum__wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.synth-master-spectrum__canvas {
  display: block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

/* スペクトログラム（時間 vs 周波数、右が最新・幅は Wave と同じ・正方形） */
.synth-master-spectrogram {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.synth-master-spectrogram__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-spectrogram__wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
}

.synth-master-spectrogram__canvas {
  display: block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

/* ゴニオメーター（L/R 位相・ステレオ幅、幅は Wave と同じ・正方形） */
.synth-master-goniometer {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.synth-master-goniometer__label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.synth-master-goniometer__wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  border-radius: 4px;
  overflow: hidden;
}

.synth-master-goniometer__canvas {
  display: block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

/* ---------- 各モジュールの見た目（細かいUIはモジュール側で上書き可能） ---------- */
.synth-module {
  width: 200px;
  max-width: 200px;
  min-width: 200px;
  flex-shrink: 0;
  min-height: 100px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.synth-module__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
}

.synth-module--source { border-left: 3px solid var(--color-source); }
.synth-module--source .synth-module__header { border-left: 3px solid var(--color-source); margin-left: -3px; padding-left: calc(0.5rem + 3px); }
.synth-module--wavetable { min-height: 220px; }
.synth-module--effect { border-left: 3px solid var(--color-effect); }
.synth-module--effect .synth-module__header { border-left: 3px solid var(--color-effect); margin-left: -3px; padding-left: calc(0.5rem + 3px); }
.synth-module--modulator { border-left: 3px solid var(--color-modulator); }
.synth-module--modulator .synth-module__header { border-left: 3px solid var(--color-modulator); margin-left: -3px; padding-left: calc(0.5rem + 3px); }

.synth-module__title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.synth-module__remove {
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}

.synth-module__remove:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.synth-module__body {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}

/* 波形ビジュアライズ（全モジュール共通） */
.synth-module__waveform-viz {
  flex-shrink: 0;
  width: 100%;
  height: 28px;
  margin-bottom: 0.35rem;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.synth-module__waveform-canvas {
  display: block;
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

/* 一段 = 8 ステップの幅に統一。親よりはみ出さないよう max-width: 100% */
.synth-module__waveform-viz--sequencer {
  position: relative;
  width: 200px;
  min-width: 0;
  max-width: 100%;
  height: 36px;
  margin-bottom: 0;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  box-sizing: border-box;
}

/* Seq-16 は 2 段（1 段 36px × 2） */
.synth-module--sequencer-16 .synth-module__waveform-viz--sequencer {
  height: 72px;
}

/* Seq-32 は 4 段（1 段 36px × 4） */
.synth-module--sequencer-32 .synth-module__waveform-viz--sequencer {
  height: 144px;
}

/* 窓内：緑・黄・赤を同じ枠で管理（キャンバスと同じ padding でずれ防止） */
.synth-module__sequencer-viz-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  pointer-events: none;
  padding: 2px;
  box-sizing: border-box;
}

.synth-module__sequencer-viz-overlay-row {
  flex: 1;
  display: flex;
  min-height: 0;
}

/* 窓内セル：数値を下に表示（step-pitch-cell の center を上書き） */
.synth-module--sequencer .synth-module__sequencer-viz-overlay-cell.synth-module__step-pitch-cell {
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 3px;
}

.synth-module__sequencer-viz-overlay-cell {
  flex: 1;
  display: flex;
  min-width: 0;
  pointer-events: auto;
  box-sizing: border-box;
  cursor: pointer;
  border-radius: 3px;
}

/* Gate ON 時：枠ではなくうっすらゴールドの色被り（緑の上に透明オーバーレイ） */
.synth-module--sequencer .synth-module__sequencer-viz-overlay-cell.synth-module__step-pitch-cell--gate-on {
  background: rgba(212, 168, 75, 0.22);
  z-index: 1;
}

/* 窓内の数値表示はなし（ピッチはホイールで変更可能） */
.synth-module--sequencer .synth-module__sequencer-viz-overlay-cell .synth-module__step-pitch-value {
  display: none !important;
}

.synth-module__waveform-viz--lfo,
.synth-module__waveform-viz--random-lfo,
.synth-module__waveform-viz--ad-envelope {
  height: 36px;
  margin-bottom: 0.35rem;
  background: var(--bg-tertiary);
}

.synth-module__waveform-viz--eq8-spectrum {
  width: 100%;
  min-width: 280px;
  height: 72px;
  margin-bottom: 0.35rem;
}

/* LPF/HPF 窓（EQ-8 縮小版スタイル） */
.synth-module__waveform-viz--eq8-style {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  height: 44px;
  margin-bottom: 0.35rem;
}

.synth-module__placeholder {
  font-style: italic;
}

/* サンプルモジュール専用の余白（後から画像・UIを足しやすい） */
.synth-module--sample .synth-module__body {
  min-height: 60px;
  justify-content: center;
}

.synth-module--sample .synth-module__waveform-viz {
  margin-bottom: 0.5rem;
}

/* ---------- 音源モジュール用コントロール（スライダー・セレクト） ---------- */
.synth-module__body--controls {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: stretch;
  justify-content: flex-start;
  padding: 0.5rem;
}

/* 窓幅基準: ラベル・バー・数値・ジャックの幅と横位置を全モジュールで共通に固定 */
.synth-module__row {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-shrink: 0;
  min-width: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.synth-module__label {
  flex: 0 0 5em;
  width: 5em;
  min-width: 5em;
  max-width: 5em;
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ノブ廃止: スライダーは非表示にし、バーのみ表示（rack.js で .synth-module__slider--hidden を付与） */
.synth-module__slider {
  flex: 1;
  min-width: 0;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 3px;
}
.synth-module__slider--hidden {
  position: absolute;
  width: 0;
  min-width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* バー列: 全モジュールで同じ幅・同じ横位置（窓幅基準） */
.synth-module__row .synth-module__slider:not(.synth-module__slider--hidden) {
  flex: 0 0 2rem;
  width: 2rem;
  min-width: 2rem;
}

.synth-module__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.synth-module__slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

/* パラメータ値の割合を表示するバー＋下の紫専用線 */
.synth-module__param-bar-container {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex: 0 0 2rem;
  width: 2rem;
  min-width: 2rem;
  gap: 2px;
}
.synth-module__param-bar {
  position: relative;
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}
.synth-module__param-bar__fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.05s ease-out;
}
/* バー下の紫専用の細い線（変調範囲を 0–100% で表示、緑と被らない） */
.synth-module__param-bar-mod-line {
  position: relative;
  width: 100%;
  height: 3px;
  min-height: 3px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  border-radius: 1px;
  overflow: hidden;
}
.synth-module__param-bar-mod-line__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  min-width: 0;
  background: rgba(102, 51, 153, 0.85);
  border-radius: 1px;
  pointer-events: none;
  transition: none;
}
/* 変調接続時は紫の線を表示 */
.synth-module__param-bar-mod-line--visible {
  min-height: 3px;
  visibility: visible;
}
.synth-module__param-bar-mod-line--visible .synth-module__param-bar-mod-line__fill {
  min-width: 2px;
}
.synth-module__param-bar-wrap--step .synth-module__param-bar-container {
  width: 1rem;
  flex: none;
}
.synth-module__param-bar-wrap--step .synth-module__param-bar {
  width: 100%;
}

/* 数値・単位列: 全モジュールで同じ幅・同じ横位置 */
.synth-module__value {
  flex: 0 0 5em;
  width: 5em;
  min-width: 5em;
  max-width: 5em;
  padding-left: 0.15rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: right;
  cursor: ns-resize;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synth-module__value:hover {
  color: var(--text-primary);
}

/* セレクトは「バー列」と同じ開始位置（ラベル 2.5em の右）から、残り幅を使用 */
.synth-module__select {
  flex: 1;
  min-width: 0;
  padding: 0.25rem 0.35rem;
  font-size: 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  appearance: auto;
  -webkit-appearance: menulist;
}

.synth-module__trigger {
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  width: 100%;
}

.synth-module__trigger:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.synth-module__checkbox {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ---------- EQ-8（8バンドイコライザー・seq 風シンプルレイアウト） ---------- */
.synth-module--eq8 {
  min-width: 280px;
}

.synth-module--eq8 .synth-module__body {
  position: relative;
  min-width: 0;
  overflow-x: hidden;
  padding: 0.5rem;
  gap: 0.28rem;
}

.synth-module--eq8 .synth-module__waveform-viz--eq8-spectrum {
  margin-bottom: 0;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

/* バンド選択をフォルダのタグのように重なって見せる */
.synth-module--eq8 .synth-module__eq8-band-strip {
  display: flex;
  flex-wrap: nowrap;
  width: 100%;
  min-width: 0;
  flex-shrink: 0;
  align-items: flex-end;
  gap: 0;
  margin-bottom: -1px;
  padding-top: 0.15rem;
}
.synth-module--eq8 .synth-module__eq8-band-btn {
  flex: 1;
  min-width: 0;
  height: 1.55rem;
  padding: 0 0.15rem;
  font-size: 0.62rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 0;
  margin-left: -3px;
  box-shadow: 1px 0 0 var(--border-light);
}
.synth-module--eq8 .synth-module__eq8-band-btn:first-child {
  margin-left: 0;
}
.synth-module--eq8 .synth-module__eq8-band-btn:hover {
  z-index: 1;
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--bg-secondary);
}
.synth-module--eq8 .synth-module__eq8-band-btn--active {
  z-index: 2;
  background: var(--bg-primary);
  border-color: var(--border-light);
  border-bottom: 1px solid var(--bg-primary);
  color: var(--text-primary);
  margin-bottom: -1px;
  box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.06);
}

/* パラメータ行の横に全バンドのジャックを重ねて表示（他モジュールと同じ 1rem 枠・右端寄せ） */
.synth-module--eq8 .synth-module__eq8-jack-stack {
  position: relative;
  flex: 0 0 1rem;
  width: 1rem;
  min-width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-left: auto;
}
.synth-module--eq8 .synth-module__eq8-jack-stack .synth-module__eq8-jack-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 1rem;
  min-width: 1rem;
  height: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  pointer-events: none;
}
.synth-module--eq8 .synth-module__eq8-jack-stack .synth-module__eq8-jack-wrap--on-top {
  z-index: 1;
  pointer-events: auto;
}

/* HP/LP 選択時は Gain は無効（意味がないため選択不可に） */
.synth-module--eq8 .synth-module__eq8-gain-row--disabled {
  opacity: 0.5;
  pointer-events: none;
}
.synth-module--eq8 .synth-module__eq8-gain-row--disabled .synth-module__value {
  color: var(--text-muted);
}

.synth-module__eq8-params--hidden {
  opacity: 0.4;
  pointer-events: none;
}

.synth-module--eq8 .synth-module__eq8-params .synth-module__row {
  flex-shrink: 0;
}

/* ---------- シーケンサ専用（上窓 + BPM + ステップごと設定、Sync 表示） ---------- */
.synth-module--sequencer {
  min-width: 200px;
}

/* Seq-8 は 1 段、Seq-16 / Seq-32 は 2 段・4 段で共通幅 */
.synth-module--sequencer-8 {
  width: 240px;
  max-width: 240px;
  min-width: 240px;
}

/* Seq-16 / Seq-32 は全体を半分幅（240px）で表示。Modulators パネルでは 200px にさらに制約される */
.synth-module--sequencer-16,
.synth-module--sequencer-32 {
  width: 240px;
  max-width: 240px;
  min-width: 240px;
}

.synth-module--sequencer-32 .synth-module__steps {
  gap: 0.1rem;
}

.synth-module--sequencer-32 .synth-module__step-row-label {
  width: 2.8em;
  font-size: 0.6rem;
}

.synth-module--sequencer-32 .synth-module__step-pitch-value {
  font-size: 0.55rem;
  min-width: 1.3rem;
  min-height: 1rem;
}

.synth-module--sequencer .synth-module__body {
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 0;
}

/* マスター Sync 接続時: BPM バーと数値を赤でマスターと同期表示・seq 側から変更不可 */
.synth-module__row--bpm-sync .synth-module__param-bar__fill {
  background: #721721;
}

.synth-module__row--bpm-sync .synth-module__value {
  color: #721721;
  font-weight: 600;
  cursor: default;
}

/* SYNC 時: バーを操作不可に（クリック・ドラッグで変更されないように） */
.synth-module__row--bpm-sync .synth-module__param-bar {
  pointer-events: none;
  cursor: default;
}
.synth-module__row--bpm-sync input[data-param="bpm"] {
  pointer-events: none;
}

.synth-module--sequencer .synth-module__steps {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex-shrink: 0;
}

.synth-module--sequencer .synth-module__row--steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.06rem;
}

.synth-module--sequencer .synth-module__step-row-label {
  width: 2.2em;
  font-size: 0.65rem;
  flex-shrink: 0;
}

.synth-module--sequencer .synth-module__step {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ピッチ：数値のみ（ホイールで変更） */
.synth-module--sequencer .synth-module__step--pitch {
  height: auto;
  min-height: 1.25rem;
}

.synth-module--sequencer .synth-module__step-pitch-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.06rem;
  flex: 1;
  min-width: 0;
}

/* ピッチの縦バーは非表示（数値のみ表示、ホイールで変更） */
.synth-module--sequencer .synth-module__step-slider-wrap {
  display: none;
}

/* 回転用ラッパー（非表示時も input は DOM に残してホイール用） */
.synth-module--sequencer .synth-module__step-slider-rotation {
  width: 2.5rem;
  height: 0.5rem;
  transform: rotate(-90deg);
  transform-origin: center center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* 回転用ラッパー：横長のスライダーを -90deg で縦表示にする */
.synth-module--sequencer .synth-module__step-slider-rotation {
  width: 2.5rem;
  height: 0.5rem;
  transform: rotate(-90deg);
  transform-origin: center center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.synth-module--sequencer .synth-module__step-slider--vertical {
  width: 2.5rem;
  height: 0.5rem;
  margin: 0;
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 3px;
}

.synth-module--sequencer .synth-module__step-slider--vertical::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.synth-module--sequencer .synth-module__step-slider--vertical::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.synth-module--sequencer .synth-module__step-pitch-value {
  display: inline-block;
  min-width: 1.8em;
  font-size: 0.58rem;
  text-align: center;
  color: var(--text-primary);
  line-height: 1.1;
}

/* ---------- ケーブルレイヤー（前面に表示しつつ pointer-events: none でドロップは下のジャックへ） ---------- */
.synth-cables {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.synth-cables__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.synth-cable {
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* 接続先/接続元のジャックがスクロールで隠れているときの点線表示 */
.synth-cable--dashed {
  opacity: 0.85;
}

/* ---------- ジャック（出力・入力） ---------- */
.synth-module__header-jacks {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
  margin-right: 0;
  gap: 0.2rem;
}

/* ジャック列: 全モジュールで同じ幅・右端に固定 */
.synth-module__jack-wrap {
  flex: 0 0 1rem;
  width: 1rem;
  min-width: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
}

.synth-module__sync-badge {
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.synth-module__sync-badge--on {
  color: #e8c4c4;
  background: rgba(114, 23, 33, 0.35);
  border-color: #721721;
}

.synth-jack {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid;
  cursor: grab;
  flex-shrink: 0;
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s, background 0.15s;
}

.synth-jack:active {
  cursor: grabbing;
}

/* モジュレーション（LFO・Envelope・Gain・Pan・Wet など） */
.synth-jack--modulation.synth-jack--output {
  background: var(--cable-modulation);
  border-color: var(--cable-modulation);
}

.synth-jack--modulation.synth-jack--output:hover {
  box-shadow: 0 0 0 2px var(--cable-modulation);
}

.synth-jack--modulation.synth-jack--input {
  background: var(--bg-tertiary);
  border-color: var(--cable-modulation);
}

.synth-jack--modulation.synth-jack--input:hover {
  box-shadow: 0 0 0 1px var(--cable-modulation);
}

/* Pitch（シーケンサ Pitch → Freq） */
.synth-jack--pitch.synth-jack--output {
  background: var(--cable-pitch);
  border-color: var(--cable-pitch);
}

.synth-jack--pitch.synth-jack--output:hover {
  box-shadow: 0 0 0 2px var(--cable-pitch);
}

.synth-jack--pitch.synth-jack--input {
  background: var(--bg-tertiary);
  border-color: var(--cable-pitch);
}

.synth-jack--pitch.synth-jack--input:hover {
  box-shadow: 0 0 0 1px var(--cable-pitch);
}

/* Gate（シーケンサ Gate → Trigger） */
.synth-jack--gate.synth-jack--output {
  background: var(--cable-gate);
  border-color: var(--cable-gate);
}

.synth-jack--gate.synth-jack--output:hover {
  box-shadow: 0 0 0 2px var(--cable-gate);
}

.synth-jack--gate.synth-jack--input {
  background: var(--bg-tertiary);
  border-color: var(--cable-gate);
}

.synth-jack--gate.synth-jack--input:hover {
  box-shadow: 0 0 0 1px var(--cable-gate);
}

/* 同期（Master Sync Out ⇔ Sequencer Sync In） */
.synth-jack--sync.synth-jack--output {
  background: var(--cable-sync);
  border-color: var(--cable-sync);
}

.synth-jack--sync.synth-jack--output:hover {
  box-shadow: 0 0 0 2px var(--cable-sync);
}

.synth-jack--sync.synth-jack--input {
  background: var(--bg-tertiary);
  border-color: var(--cable-sync);
}

.synth-jack--sync.synth-jack--input:hover {
  box-shadow: 0 0 0 1px var(--cable-sync);
}

.synth-jack--dragging {
  opacity: 0.8;
  transform: scale(1.2);
}

/* ドロップ先のハイライト：接続種別に合わせる */
.synth-jack--modulation.synth-jack--drag-over {
  border-color: var(--cable-modulation);
  box-shadow: 0 0 0 2px var(--cable-modulation);
}

.synth-jack--pitch.synth-jack--drag-over {
  border-color: var(--cable-pitch);
  box-shadow: 0 0 0 2px var(--cable-pitch);
}

.synth-jack--gate.synth-jack--drag-over {
  border-color: var(--cable-gate);
  box-shadow: 0 0 0 2px var(--cable-gate);
}

.synth-jack--sync.synth-jack--drag-over {
  border-color: var(--cable-sync);
  box-shadow: 0 0 0 2px var(--cable-sync);
}