/* =========================================================
   D'zGAL Music — Lyric MV Studio
   app.css  /  Ver.0.2.0
   ========================================================= */

:root {
  /* --- 面 --- */
  --bg:        #0b0d13;
  --bg-grain:  #0e111a;
  --panel:     #141821;
  --panel-2:   #1b202b;
  --panel-3:   #232a37;
  --line:      #262d3b;
  --line-soft: #1e2431;

  /* --- 文字 --- */
  --ink:       #e8ecf4;
  --ink-mid:   #aab3c4;
  --ink-dim:   #79839a;

  /* --- 意味を持つ色 --- */
  --accent:    #4da6ff;   /* このアプリの基調。選択・現在位置 */
  --accent-dk: #2b7fd4;
  --rec:       #ff8a1f;   /* 書き出し／記録。取り消せない操作だけに使う */
  --ok:        #3ddc97;
  --danger:    #ff5d5d;

  /* --- タイムライン・リボン（renderer.js が読みます） --- */
  --seg-intro: #4da6ff;
  --seg-loop:  #35c6b4;
  --seg-outro: #8f7bff;
  --seg-lyric: #ffd166;

  --radius:    10px;
  --radius-lg: 14px;
  --shadow:    0 18px 40px -24px rgba(0,0,0,.9);

  --font-display: "Archivo", "Noto Sans JP", sans-serif;
  --font-body:    "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-mono:    "Roboto Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background:
    radial-gradient(1100px 620px at 18% -10%, #171d2b 0%, transparent 62%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

::selection { background: rgba(77,166,255,.3); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* =========================================================
   ヘッダー
   ========================================================= */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(11,13,19,.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .01em;
  color: var(--accent);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
}

.brand-sub {
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-left: 10px;
  border-left: 1px solid var(--line);
  white-space: nowrap;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.version {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--ink-dim);
}

/* =========================================================
   レイアウト
   ========================================================= */

.stage {
  display: grid;
  grid-template-columns: auto minmax(380px, 1fr);
  gap: 28px;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
  padding: 26px 24px 60px;
}

.viewer {
  /* プレビューの高さを基準に、幅を 9:16 から逆算します。
     グリッドの列は中身に合わせて広がることがあるため、
     幅を継承させず、3つのブロックすべてに同じ値を指定します。 */
  --screen-h: clamp(420px, calc(100vh - 250px), 820px);
  --screen-w: calc(var(--screen-h) * 9 / 16);
  width: var(--screen-w);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 84px;
}

/* =========================================================
   プレビュー画面
   ========================================================= */

.screen {
  position: relative;
  flex: none;
  width: var(--screen-w);
  height: var(--screen-h);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #05070b;
  overflow: hidden;
  box-shadow: var(--shadow);
}

#previewCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* 再生状態（キャンバスの外。書き出しには写りません） */
.hud {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(5,7,11,.72);
  border: 1px solid rgba(255,255,255,.08);
  font-family: var(--font-mono);
  font-size: .7rem;
  pointer-events: none;
}
.hud-time { color: var(--accent); }
.hud-mode { color: var(--ink-mid); }

/* --- オーバーレイ共通 --- */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

/* --- 書き出し中 --- */
.overlay-record {
  gap: 22px;
  background: rgba(5,7,11,.82);
  backdrop-filter: blur(6px);
  border: 2px solid var(--rec);
  border-radius: var(--radius-lg);
}

.rec-badge {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--rec);
}

.rec-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--rec);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .25; }
}

.rec-ring { position: relative; width: 168px; height: 168px; }
.rec-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.rec-ring circle { fill: none; stroke-width: 7; }
.rec-ring-bg { stroke: rgba(255,255,255,.1); }
.rec-ring-fg {
  stroke: var(--rec);
  stroke-linecap: round;
  transition: stroke-dashoffset .25s linear;
}

.rec-pct {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.rec-note {
  max-width: 76%;
  text-align: center;
  font-size: .78rem;
  color: var(--ink-mid);
}

/* --- ガイド（guide.js が中身を差し込みます） --- */
.overlay-guide {
  padding: 22px;
  background:
    linear-gradient(175deg, rgba(20,26,40,.95), rgba(6,8,13,.97));
  backdrop-filter: blur(3px);
  justify-content: flex-start;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.guide-eyebrow {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.guide-title {
  align-self: flex-start;
  font-size: 1.24rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
}

.guide-body {
  width: 100%;
  font-size: .86rem;
  color: var(--ink-mid);
}
.guide-body p { margin-bottom: 12px; }
.guide-body strong { color: var(--ink); font-weight: 700; }
.guide-body ol,
.guide-body ul { margin: 0 0 14px 1.15em; }
.guide-body li { margin-bottom: 7px; }
.guide-body code {
  font-family: var(--font-mono);
  font-size: .82em;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--panel-3);
  color: var(--ink);
}

.guide-callout {
  border-left: 2px solid var(--accent);
  background: rgba(77,166,255,.07);
  padding: 10px 13px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 14px;
  font-size: .8rem;
}

.guide-spacer { flex: 1; min-height: 16px; }

.guide-foot {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.guide-dots {
  display: flex;
  gap: 6px;
  margin-right: auto;
}

.guide-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--panel-3);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.guide-dot:hover { background: var(--ink-dim); }
.guide-dot.is-current { background: var(--accent); transform: scale(1.35); }

/* =========================================================
   再生コントロール
   ========================================================= */

.transport {
  display: flex;
  align-items: center;
  gap: 8px;
  width: var(--screen-w);
  flex: none;
  padding: 11px 12px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

.transport #seekBar { flex: 1; min-width: 36px; }

.timecode {
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ink-mid);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
#timeNow { color: var(--ink); }

/* --- スライダー --- */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: var(--panel-3);
}
input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: var(--panel-3);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  transition: transform .15s;
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.18); }
input[type="range"]:disabled { cursor: not-allowed; }
input[type="range"]:disabled::-webkit-slider-thumb { background: var(--ink-dim); }

/* =========================================================
   タイムライン・リボン
   ========================================================= */

.ribbon-wrap {
  width: var(--screen-w);
  flex: none;
  padding: 12px 13px 10px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

#ribbonCanvas {
  display: block;
  width: 100%;
  height: 64px;
  border-radius: 6px;
  cursor: pointer;
}

.ribbon-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 14px;
  margin-top: 9px;
  font-size: .68rem;
  color: var(--ink-dim);
  font-family: var(--font-display);
  letter-spacing: .04em;
}

.key {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: -1px;
}
.key-intro { background: var(--seg-intro); }
.key-loop  { background: var(--seg-loop); }
.key-outro { background: var(--seg-outro); }
.key-lyric { background: var(--seg-lyric); }

/* =========================================================
   右パネル：カード
   ========================================================= */

.console {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.card {
  padding: 17px 19px 19px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  transition: border-color .2s;
}
.card.is-ready { border-color: rgba(61,220,151,.28); }
.card.is-active { border-color: rgba(77,166,255,.4); }

.card-head {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 13px;
}

.card-head h2 {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .01em;
  margin-right: auto;
}

.step {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border-radius: 6px;
  background: var(--panel-3);
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
}
.card.is-ready .step { background: rgba(61,220,151,.14); color: var(--ok); }

.card-state {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-dim);
  white-space: nowrap;
}
.card-state.ok   { color: var(--ok); }
.card-state.warn { color: var(--rec); }

.hint {
  margin-top: 9px;
  font-size: .74rem;
  line-height: 1.6;
  color: var(--ink-dim);
}

/* --- ファイル選択 --- */
.filepick {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 8px 11px 8px 8px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color .18s, background .18s;
}
.filepick:hover { border-color: var(--accent-dk); background: var(--panel-3); }
.filepick input[type="file"] {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.filepick-btn {
  flex: 0 0 auto;
  padding: 6px 13px;
  border-radius: 6px;
  background: var(--panel-3);
  color: var(--ink);
  font-size: .78rem;
  font-weight: 500;
  white-space: nowrap;
}
.filepick:hover .filepick-btn { background: var(--accent); color: #05070b; }

.filepick-name {
  min-width: 0;
  font-size: .78rem;
  color: var(--ink-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filepick-name.has-file { color: var(--ink); }

/* --- 歌詞テキスト --- */
#lyricsText {
  display: block;
  width: 100%;
  height: 200px;
  margin-top: 11px;
  padding: 11px 13px;
  border-radius: 8px;
  background: #0d1017;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.9;
  resize: vertical;
}
#lyricsText:focus { outline: none; border-color: var(--accent-dk); }
#lyricsText[readonly] {
  background: #0a0d13;
  color: var(--ink-mid);
  border-color: var(--panel-3);
}
#lyricsText::placeholder { color: #4c566b; }

.sync-bar {
  display: flex;
  gap: 8px;
  margin-top: 11px;
}

/* --- 詳細設定 --- */
.card-advanced { padding: 0; }
.card-advanced > summary {
  padding: 14px 19px;
  font-size: .82rem;
  font-weight: 500;
  color: var(--ink-mid);
  cursor: pointer;
  list-style: none;
}
.card-advanced > summary::-webkit-details-marker { display: none; }
.card-advanced > summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 9px;
  color: var(--ink-dim);
  transition: transform .18s;
}
.card-advanced[open] > summary::before { transform: rotate(90deg); }
.card-advanced[open] > summary { border-bottom: 1px solid var(--line-soft); }
.card-advanced > *:not(summary) { margin: 13px 19px; }
.card-advanced > *:last-child { margin-bottom: 17px; }

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .8rem;
  color: var(--ink-mid);
  cursor: pointer;
}
.check input { margin-top: 3px; accent-color: var(--accent); }
.check:hover { color: var(--ink); }

/* --- 選択欄 --- */
.field-row { display: flex; gap: 11px; }
.field { flex: 1; display: block; min-width: 0; }

.field-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 6px;
}
.field-value { font-family: var(--font-mono); letter-spacing: 0; color: var(--ink-mid); }

select {
  width: 100%;
  padding: 8px 11px;
  border-radius: 7px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .8rem;
  cursor: pointer;
}
select:hover { border-color: var(--accent-dk); }

.card-export .btn-export { margin-top: 15px; }

/* =========================================================
   ボタン
   ========================================================= */

.btn {
  border: 1px solid transparent;
  border-radius: 7px;
  background: var(--panel-3);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  padding: 9px 15px;
  cursor: pointer;
  transition: background .16s, color .16s, border-color .16s, opacity .16s;
}
.btn:hover:not(:disabled) { background: #2c3444; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-mid);
  font-size: .78rem;
  padding: 7px 13px;
}
.btn-ghost:hover:not(:disabled) { background: var(--panel-2); color: var(--ink); }

.btn-icon {
  flex: 0 0 auto;
  width: 30px;
  padding: 8px 0;
  text-align: center;
  font-size: .78rem;
  color: var(--ink-mid);
}

.btn-play {
  flex: 0 0 auto;
  min-width: 70px;
  padding: 9px 10px;
  background: var(--accent);
  color: #05070b;
  font-weight: 700;
}
.btn-play:hover:not(:disabled) { background: #6bb6ff; }
.btn-play.is-playing { background: var(--panel-3); color: var(--ink); }
.btn-play.is-playing:hover:not(:disabled) { background: #2c3444; }

.btn-primary {
  background: var(--accent);
  color: #05070b;
  font-weight: 700;
  padding: 10px 20px;
}
.btn-primary:hover:not(:disabled) { background: #6bb6ff; }

.btn-sync {
  flex: 1;
  background: var(--panel-3);
  border-color: var(--line);
}
.btn-sync.is-on {
  background: var(--rec);
  border-color: var(--rec);
  color: #120a02;
  font-weight: 700;
}
.btn-sync.is-on:hover:not(:disabled) { background: #ffa24d; }

.btn-quiet {
  flex: 0 0 auto;
  background: transparent;
  border-color: var(--line);
  color: var(--ink-mid);
  font-size: .76rem;
  padding: 9px 12px;
}
.btn-quiet:hover:not(:disabled) { background: var(--panel-2); color: var(--ink); }
.btn-danger:hover:not(:disabled) { border-color: var(--danger); color: var(--danger); background: rgba(255,93,93,.07); }

.btn-export {
  display: block;
  width: 100%;
  background: var(--rec);
  color: #120a02;
  font-weight: 700;
  font-size: .88rem;
  padding: 13px;
}
.btn-export:hover:not(:disabled) { background: #ffa24d; }
.btn-export.is-busy {
  background: var(--panel-3);
  color: var(--ink-mid);
  cursor: progress;
}

/* =========================================================
   トースト
   ========================================================= */

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 14px);
  z-index: 60;
  max-width: min(520px, 90vw);
  padding: 11px 18px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: .82rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity .2s, transform .2s;
}
.toast.is-shown { opacity: 1; transform: translate(-50%, 0); }
.toast.is-warn { border-color: var(--rec); }
.toast.is-error { border-color: var(--danger); }

/* =========================================================
   狭いウィンドウ
   ========================================================= */

@media (max-width: 900px) {
  .stage {
    grid-template-columns: 1fr;
    padding: 18px 16px 48px;
    gap: 20px;
  }
  .viewer {
    --screen-h: min(62vh, 560px);
    position: static;
    align-self: center;
  }
  .transport, .ribbon-wrap { width: 100%; }
  .brand-sub { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}