/* teguru64 audio archive - Clean Minimalist Style with High Usability */

:root {
  --bg-body: #ffffff;
  --bg-card: #ffffff;
  --bg-player: #ffffff;
  --bg-hover: #f1f5f9;
  --text-main: #0f172a;
  --text-sub: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #0f172a;
  --accent: #2563eb;
  --accent-light: #dbeafe;
  --accent-hover: #1d4ed8;
  --radius: 6px;
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 漆黒ダークモード */
[data-theme="dark"] {
  --bg-body: #000000;
  --bg-card: #0a0a0a;
  --bg-player: #0a0a0a;
  --bg-hover: #1e293b;
  --text-main: #f8fafc;
  --text-sub: #cbd5e1;
  --text-muted: #64748b;
  --border: #262626;
  --border-strong: #f8fafc;
  --accent: #3b82f6;
  --accent-light: #1e3a8a;
  --accent-hover: #60a5fa;
}

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

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-base);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 100px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ヘッダー */
.app-header {
  background-color: var(--bg-body);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* ボタン共通 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn:hover {
  background-color: var(--text-main);
  color: var(--bg-body);
}

.btn-secondary {
  border-color: var(--border);
  background-color: var(--bg-card);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--text-main);
  color: var(--bg-body);
  border-color: var(--text-main);
}

.quality-icon-active {
  color: #16a34a;
}

.quality-icon-saving {
  color: #d97706;
}

/* メインエリア */
.app-main {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
}

/* 検索・フィルターセクション */
.filter-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.search-bar {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.search-bar input {
  width: 100%;
  padding: 0.6rem 0.85rem 0.6rem 2.5rem;
  background-color: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
}

.search-bar input:focus {
  border-color: var(--text-main);
}

.tag-filter-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-btn {
  background-color: var(--bg-body);
  border: 1px solid var(--border);
  color: var(--text-sub);
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
}

.tag-btn:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

.tag-btn.active {
  background-color: var(--text-main);
  color: var(--bg-body);
  border-color: var(--text-main);
}

/* アーカイブセクション */
.archive-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--text-main);
  padding-bottom: 0.5rem;
}

.section-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
}

.archive-count {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
}

/* グリッドレイアウト */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.archive-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.archive-card:hover {
  border-color: var(--text-main);
  background-color: var(--bg-hover);
}

.archive-card.playing {
  border: 2px solid var(--accent);
  background-color: var(--bg-hover);
}

.card-thumbnail-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #1a1a1a;
  overflow: hidden;
}

.card-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-duration {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background-color: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  padding: 0.15rem 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 3px;
  font-family: monospace;
}

.card-content {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: auto;
  padding-top: 0.4rem;
}

.card-tag {
  font-size: 0.7rem;
  background-color: var(--bg-body);
  color: var(--text-sub);
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
}

/* ==========================================================================
   完璧に整理された下部固定プレイヤーバー (全高 70px)
   ========================================================================== */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background-color: var(--bg-player);
  border-top: 1px solid var(--border);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.player-bar.hidden {
  display: none;
}

/* 1. 独立したプログレスバー (最上部) */
.player-progress-wrapper {
  position: relative;
  width: 100%;
  height: 5px;
  background-color: var(--border);
  cursor: pointer;
  transition: height 0.1s ease;
}

.player-progress-wrapper:hover {
  height: 7px;
}

.progress-fill {
  height: 100%;
  background-color: var(--accent);
  width: 0%;
}

.progress-handle {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 13px;
  height: 13px;
  background-color: var(--accent);
  border: 2px solid #ffffff;
  border-radius: 50%;
  left: 0%;
  pointer-events: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* 2. プレイヤーメインレイアウト */
.player-container {
  max-width: 1200px;
  width: 100%;
  height: calc(100% - 5px);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* 左: トラック情報 */
.player-track-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1 1 30%;
  min-width: 0;
}

.track-thumbnail-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.track-thumbnail-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.track-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.track-meta h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-sub {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-sub);
  line-height: 1;
}

.youtube-link {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  line-height: 1;
}

.youtube-link svg {
  width: 14px;
  height: 14px;
}

.youtube-link:hover {
  text-decoration: underline;
}

/* 中央: コントロールボタン & 時間表示 */
.player-controls-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  flex: 0 0 auto;
}

.control-buttons {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  padding: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  color: var(--text-main);
  background-color: var(--bg-hover);
}

/* ✨ シャッフル・リピート ON 状態の鮮やかな青発色 */
.btn-icon.active {
  color: var(--accent) !important;
  background-color: var(--accent-light) !important;
}

.btn-play-pause {
  background-color: var(--text-main);
  color: var(--bg-body);
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.btn-play-pause:hover {
  background-color: var(--accent);
  color: #ffffff;
}

.playback-time-display {
  font-size: 0.75rem;
  font-family: monospace;
  color: var(--text-sub);
}

/* 右: ユーティリティ (速度, 音質, 音量) */
.player-utilities {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  flex: 1 1 30%;
  min-width: 0;
}

.select-clean {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 0.75rem;
  height: 28px;
  padding: 0 0.4rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
}

.btn-quality {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 0.75rem;
  height: 28px;
  padding: 0 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
}

.btn-quality svg {
  width: 14px;
  height: 14px;
}

.volume-control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.volume-slider-container {
  width: 65px;
  height: 4px;
  background-color: var(--border);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.volume-slider-fill {
  height: 100%;
  background-color: var(--text-main);
  border-radius: 2px;
  width: 80%;
}

/* モバイル・スマホレスポンシブ対応 (3段組みレイアウトで途切れを100%防止) */
@media (max-width: 768px) {
  body {
    padding-bottom: 175px; /* スマホプレイヤーバーの高さ分の下部余白 */
  }

  .header-container {
    padding: 0.65rem 0.85rem;
  }

  .logo h1 {
    font-size: 1.05rem;
  }

  .app-main {
    padding: 0.85rem;
  }

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

  /* プレイヤーバーをスマホ用に柔軟な高域(自動伸長)へ */
  .player-bar {
    height: auto;
    min-height: 135px;
  }

  .player-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem 0.65rem;
  }

  /* 1段目: トラック情報 (タイトル、日付、元動画) */
  .player-track-info {
    width: 100%;
    flex: none;
    padding-bottom: 0.3rem;
    border-bottom: 1px dashed var(--border);
  }

  .track-thumbnail-wrapper {
    width: 38px;
    height: 38px;
  }

  .track-meta h4 {
    font-size: 0.8rem;
  }

  /* 2段目: 再生操作コントロール (ボタン群 + 時間表示) */
  .player-controls-wrapper {
    width: 100%;
    flex: none;
    order: 2;
  }

  .control-buttons {
    justify-content: center;
    gap: 0.5rem;
  }

  .playback-time-display {
    font-size: 0.7rem;
  }

  /* 3段目: ユーティリティ (再生速度, 音質切り替え, 音量) */
  .player-utilities {
    width: 100%;
    flex: none;
    order: 3;
    justify-content: center;
    gap: 0.75rem;
    padding-top: 0.35rem;
    border-top: 1px dashed var(--border);
  }

  .volume-slider-container {
    display: block;
    width: 70px;
  }
}