/* ============================================================
   engine/slide.css — コアエンジン層（編集不要）
   16:9ロック / ナビUI / スケーリング / PDF出力
   ============================================================ */

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

body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--color-chrome, #111);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── デッキ（常に 1280×720） ── */
.deck {
  width: 1280px;
  height: 720px;
  position: relative;
  flex-shrink: 0;
  transform-origin: center center;
}

/* ── スライド共通 ── */
.slide {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding: var(--sp-xl, 64px);
  background: var(--color-bg, #0f0f0f);
  color: var(--color-fg, #f0f0ee);
  overflow: hidden;
}
.slide.is-active { display: flex; }

/* ── 背景画像フォールバック（印刷用） ── */
.slide-bg-print { display: none; }

/* ── ナビUI（deck の外側に固定） ── */
.slide-ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

.slide-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 2rem;
  font-size: .7rem;
  font-family: var(--font-mono, monospace);
  color: rgba(255,255,255,.25);
  letter-spacing: .08em;
}

.slide-nav {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  display: flex;
  gap: .375rem;
  pointer-events: all;
}

.slide-nav button {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.5);
  padding: .35rem .9rem;
  border-radius: 3px;
  cursor: pointer;
  font-size: .7rem;
  letter-spacing: .06em;
  transition: background .12s, color .12s;
}
.slide-nav button:hover {
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
}

/* ── スピーカーノート（通常時は非表示）── */
.slide aside.notes { display: none; }

/* ════════════════════════════════════════════
   プレゼンターパネル（P キーでトグル）
   ════════════════════════════════════════════ */
.presenter-panel {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 280px;
  background: rgba(8, 8, 16, 0.97);
  border-top: 1px solid rgba(255,255,255,.12);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform .22s ease;
  font-family: var(--font-sans, sans-serif);
  color: rgba(255,255,255,.82);
  pointer-events: all;
}
.presenter-panel.is-open { transform: translateY(0); }

/* ── ヘッダー（タイマー / スライド番号 / ヒント）── */
.presenter-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: .45rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}

.presenter-timer-area {
  display: flex;
  align-items: center;
  gap: .45rem;
}
.presenter-timer-icon { opacity: .45; font-size: .85rem; }

#presenter-time {
  font-family: var(--font-mono, monospace);
  font-size: 1.1rem;
  letter-spacing: .05em;
  min-width: 3.8rem;
}

.presenter-timer-area button {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.55);
  padding: .15rem .55rem;
  border-radius: 3px;
  cursor: pointer;
  font-size: .75rem;
  transition: background .12s;
  pointer-events: all;
}
.presenter-timer-area button:hover { background: rgba(255,255,255,.17); color: rgba(255,255,255,.9); }

#presenter-slide-num {
  font-family: var(--font-mono, monospace);
  font-size: .75rem;
  opacity: .4;
  letter-spacing: .06em;
}

.presenter-hint {
  margin-left: auto;
  font-size: .65rem;
  opacity: .28;
  font-family: var(--font-mono, monospace);
  letter-spacing: .05em;
}

/* ── ボディ（NEXTプレビュー + NOTES）── */
.presenter-body {
  display: grid;
  grid-template-columns: 310px 1fr;
  flex: 1;
  overflow: hidden;
}

.presenter-next {
  border-right: 1px solid rgba(255,255,255,.07);
  display: flex;
  flex-direction: column;
  padding: .65rem .75rem;
  overflow: hidden;
}

.presenter-notes {
  display: flex;
  flex-direction: column;
  padding: .65rem 1.25rem;
  overflow: hidden;
}

.presenter-section-label {
  font-size: .6rem;
  font-family: var(--font-mono, monospace);
  letter-spacing: .12em;
  opacity: .3;
  margin-bottom: .35rem;
  flex-shrink: 0;
}

/* 次スライドプレビュー */
.presenter-preview-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,.03);
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,.06);
}

/* 1280x720 を .presenter-preview-wrap 内に縮小表示 */
/* wrap幅 ≈ 276px → scale = 276/1280 ≈ 0.2156 */
.presenter-preview-inner {
  position: absolute;
  top: 0; left: 0;
  width: 1280px;
  height: 720px;
  transform-origin: top left;
  transform: scale(0.216);
  pointer-events: none;
}

.presenter-end-msg,
.presenter-no-notes {
  font-size: .75rem;
  opacity: .3;
  font-style: italic;
}

/* ノートテキスト */
.presenter-notes-body {
  flex: 1;
  overflow-y: auto;
  font-size: .83rem;
  line-height: 1.75;
  opacity: .8;
}
.presenter-notes-body p { margin-bottom: .4rem; }
.presenter-notes-body ul { padding-left: 1.1rem; }
.presenter-notes-body li { margin-bottom: .2rem; }

/* ── PDF / 印刷 ── */
@media print {
  @page { size: 254mm 142.875mm; margin: 0; }

  * { print-color-adjust: exact !important; -webkit-print-color-adjust: exact !important; }

  /* フォントweight正規化: 印刷では2段階のみ */
  * { font-weight: 400 !important; }
  strong, b, h1, h2, h3, .bold, .tag { font-weight: 600 !important; }

  html, body {
    width: 254mm;
    height: auto;
    display: block;
    background: transparent;
    overflow: visible;
  }

  .deck {
    transform: none !important;
    position: static;
    width: 254mm;
    height: auto;
    display: block;
  }

  .slide {
    position: static !important;
    display: flex !important;
    width: 254mm;
    height: 142.875mm;
    z-index: 0;
    break-after: page;
    overflow: hidden;
  }

  /* 背景画像フォールバック（CSS background-imageは印刷で消える） */
  .slide-bg-print {
    display: block !important;
    position: absolute !important;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
  }

  /* リスト要素の位置補正 */
  .list li { position: relative; }

  /* 丸型要素のアスペクト比補正 */
  [style*="border-radius: 50%"],
  .circle { aspect-ratio: 1/1; }

  .slide-ui { display: none !important; }
}

/* ── 画像ライトボックス ── */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 9999;
  cursor: pointer;
  justify-content: center;
  align-items: center;
}
.lightbox-overlay.is-active { display: flex; }
.lightbox-overlay img {
  max-width: 92%;
  max-height: 92%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}
.slide .img-box img,
.slide .text-img img { cursor: zoom-in; }

/* ── クリックコピー ── */
.slide .code-block {
  cursor: pointer;
  transition: outline .15s, background .15s;
}
.slide .code-block:hover {
  outline: 2px solid var(--color-accent, #e65100);
  outline-offset: 2px;
}
.slide .copy {
  cursor: pointer;
  border-bottom: 1px dashed currentColor;
  transition: border-color .15s;
}
.slide .copy:hover {
  border-bottom-color: var(--color-accent, #e65100);
}
.copy-toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-60px);
  background: #222;
  color: #fff;
  font-size: 14px;
  padding: 8px 20px;
  border-radius: 6px;
  opacity: 0;
  transition: transform .25s ease, opacity .25s ease;
  z-index: 10000;
  pointer-events: none;
}
.copy-toast.is-show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}