/* ============================================================
   Remotion Animation Gallery — 共通スタイル
   既存ブログと色を揃えるため variables.css の CSS変数を使用
============================================================ */

/* === レイアウト === */
.gallery-container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 24px 16px 64px;
  color: var(--text-primary);
}

.gallery-header {
  text-align: center;
  padding: 32px 16px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(103, 232, 249, 0.05));
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius, 12px);
}

.gallery-header h1 {
  font-size: 1.8rem;
  margin: 0 0 8px;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
}

.gallery-header .subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

.gallery-header .count {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 14px;
  background: rgba(167, 139, 250, 0.15);
  border-radius: 999px;
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* === ナビゲーション（前後カテゴリ） === */
.gallery-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  margin-bottom: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  font-size: 0.9rem;
}

.gallery-nav a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.gallery-nav a:hover {
  color: var(--accent-secondary);
}

.gallery-nav .nav-center {
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* === フィルターUI === */
.gallery-filters {
  position: sticky;
  top: var(--header-height, 64px);
  z-index: 10;
  background: var(--header-bg-scroll);
  backdrop-filter: blur(8px);
  padding: 12px;
  margin-bottom: 24px;
  border-radius: var(--border-radius, 12px);
  border: 1px solid var(--card-border);
}

.filter-search {
  width: 100%;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 12px;
  font-family: var(--font-body);
}

.filter-search::placeholder {
  color: var(--text-muted);
}

.filter-search:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.filter-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.filter-btn.active {
  background: var(--accent-gradient);
  color: var(--btn-text);
  border-color: transparent;
  font-weight: 700;
}

.filter-info {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* === カードグリッド === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}

/* === アニメカード === */
.anim-card {
  background: linear-gradient(180deg, var(--bg-secondary), var(--bg-card));
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius, 12px);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.anim-card:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: var(--card-glow);
}

.anim-card.is-hidden {
  display: none;
}

.card-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.card-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-secondary);
  background: rgba(103, 232, 249, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.card-title {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  flex: 1;
  line-height: 1.3;
}

.card-jp {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* === デモステージ（テーマに関係なくダーク固定 = アニメが見やすい） === */
.card-stage {
  position: relative;
  height: 180px;
  background: radial-gradient(ellipse at center bottom, #2d2640, #1a1625);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #e8e0f0; /* ステージ内のテキストは固定で明るく */
}

.card-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(167, 139, 250, 0.04) 19px, rgba(167, 139, 250, 0.04) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(167, 139, 250, 0.04) 19px, rgba(167, 139, 250, 0.04) 20px);
  pointer-events: none;
}

/* リアSD（共通） */
.ria-figure {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  height: 88%;
  width: auto;
  pointer-events: none;
  z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

/* アニメ対象テキスト（ダークステージ内なので固定で白系） */
.anim-target {
  position: relative;
  z-index: 2;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: #e8e0f0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  white-space: nowrap;
}

/* === シェイプ系: リアSDを「シェイプの代わり」に動かす === */
.shape-stage {
  /* シェイプ系カードのステージ（カード共通の card-stage と組み合わせて使う） */
}

.ria-shape {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  height: 88%;
  width: auto;
  pointer-events: none;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
  transform-origin: 50% 100%;
}

/* 2枚重ね（A→Bトランジション用） */
.ria-shape.ria-a, .ria-shape.ria-b {
  z-index: 1;
}

.ria-shape.ria-b {
  z-index: 2;
}

/* === パーティクル（共通）=== */
.particle {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  pointer-events: none;
  z-index: 3;
}

.particle.sq { border-radius: 2px; }
.particle.line { width: 2px; height: 14px; border-radius: 1px; }
.particle.tri { width: 0; height: 0; background: transparent; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--accent-secondary); }

/* === Intersection Observer 制御 === */
.anim-card:not(.in-view) .anim-target,
.anim-card:not(.in-view) .ria-figure,
.anim-card:not(.in-view) .ria-shape,
.anim-card:not(.in-view) .particle {
  animation-play-state: paused !important;
}

/* === 再生モード切替 === */
.mode-toggle-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(167, 139, 250, 0.2);
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.mode-toggle-row .mode-label {
  margin-right: 4px;
  white-space: nowrap;
}

.mode-toggle-btn {
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.mode-toggle-btn:hover {
  border-color: var(--accent-primary);
}

.mode-toggle-btn.active {
  background: var(--accent-gradient);
  color: var(--btn-text);
  border-color: transparent;
  font-weight: 700;
}

/* manualモード: グリッド全体で再生停止、is-active のカードだけ再生 */
.gallery-grid.manual-mode .anim-card .anim-target,
.gallery-grid.manual-mode .anim-card .ria-figure,
.gallery-grid.manual-mode .anim-card .ria-shape,
.gallery-grid.manual-mode .anim-card .particle,
.gallery-grid.manual-mode .anim-card .loader-fx,
.gallery-grid.manual-mode .anim-card .loader-svg circle,
.gallery-grid.manual-mode .anim-card .matrix-col,
.gallery-grid.manual-mode .anim-card .ripple-fx,
.gallery-grid.manual-mode .anim-card .underline-fx,
.gallery-grid.manual-mode .anim-card .reveal-fx,
.gallery-grid.manual-mode .anim-card .progress-bar,
.gallery-grid.manual-mode .anim-card .card-stage,
.gallery-grid.manual-mode .anim-card .card-stage::before,
.gallery-grid.manual-mode .anim-card .card-stage::after,
.gallery-grid.manual-mode .anim-card .bg-stage::before,
.gallery-grid.manual-mode .anim-card .bg-stage::after,
.gallery-grid.manual-mode .anim-card .ria-shape::after {
  animation-play-state: paused !important;
}

.gallery-grid.manual-mode .anim-card.is-active .anim-target,
.gallery-grid.manual-mode .anim-card.is-active .ria-figure,
.gallery-grid.manual-mode .anim-card.is-active .ria-shape,
.gallery-grid.manual-mode .anim-card.is-active .particle,
.gallery-grid.manual-mode .anim-card.is-active .loader-fx,
.gallery-grid.manual-mode .anim-card.is-active .loader-svg circle,
.gallery-grid.manual-mode .anim-card.is-active .matrix-col,
.gallery-grid.manual-mode .anim-card.is-active .ripple-fx,
.gallery-grid.manual-mode .anim-card.is-active .underline-fx,
.gallery-grid.manual-mode .anim-card.is-active .reveal-fx,
.gallery-grid.manual-mode .anim-card.is-active .progress-bar,
.gallery-grid.manual-mode .anim-card.is-active .card-stage,
.gallery-grid.manual-mode .anim-card.is-active .card-stage::before,
.gallery-grid.manual-mode .anim-card.is-active .card-stage::after,
.gallery-grid.manual-mode .anim-card.is-active .bg-stage::before,
.gallery-grid.manual-mode .anim-card.is-active .bg-stage::after,
.gallery-grid.manual-mode .anim-card.is-active .ria-shape::after {
  animation-play-state: running !important;
}

.gallery-grid.manual-mode .anim-card {
  cursor: pointer;
}

.gallery-grid.manual-mode .anim-card.is-active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.3), 0 8px 24px rgba(167, 139, 250, 0.2);
}

.gallery-grid.manual-mode .anim-card:not(.is-active) .card-stage {
  opacity: 0.55;
  transition: opacity var(--transition-fast);
}

.gallery-grid.manual-mode .anim-card:not(.is-active):hover .card-stage {
  opacity: 0.85;
}

/* === 画像アップロードUI === */
.upload-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(167, 139, 250, 0.2);
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.upload-btn {
  padding: 6px 14px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 6px;
  color: var(--btn-text);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
}

.upload-btn:hover { opacity: 0.9; }

.upload-btn.reset {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.upload-status {
  font-size: 0.75rem;
  opacity: 0.8;
  color: var(--accent-secondary);
}

input.upload-file-input { display: none; }

/* === 画像非対応バッジ（個別カード用） === */
.no-image-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(251, 191, 36, 0.85);
  color: var(--bg-primary);
  font-size: 0.65rem;
  padding: 3px 7px;
  border-radius: 4px;
  font-weight: 700;
  z-index: 5;
  pointer-events: none;
}

/* === ページ全体の注意バー（テキスト系カテゴリ） === */
.page-notice {
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.12), rgba(167, 139, 250, 0.05));
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--accent-warm);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.5;
}

.page-notice::before {
  content: '⚠';
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* === カード情報 === */
.card-desc {
  font-size: 0.8rem;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.4;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.card-tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  background: rgba(103, 232, 249, 0.1);
  color: var(--accent-secondary);
  border-radius: 999px;
  font-family: var(--font-mono);
}

/* === 詳細折りたたみ === */
.card-details {
  margin-top: 4px;
  border-top: 1px dashed rgba(167, 139, 250, 0.15);
  padding-top: 8px;
}

.card-details summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--accent-primary);
  list-style: none;
  user-select: none;
}

.card-details summary::-webkit-details-marker { display: none; }
.card-details summary::before {
  content: '▶ ';
  display: inline-block;
  transition: transform var(--transition-fast);
  margin-right: 4px;
  font-size: 0.7rem;
}

.card-details[open] summary::before {
  transform: rotate(90deg);
}

.detail-block {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.detail-block p {
  margin: 4px 0;
}

.detail-block strong {
  color: var(--accent-secondary);
}

.detail-block pre {
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 10px;
  margin: 8px 0;
  overflow-x: auto;
  font-size: 0.7rem;
  color: var(--text-primary);
}

.detail-block code {
  font-family: var(--font-mono);
}

/* === レスポンシブ === */
@media (max-width: 480px) {
  .anim-target { font-size: 1.1rem; }
  .card-title { font-size: 0.85rem; }
  .card-stage { height: 150px; }
}