/* コンポーネント - ボックス、テーブル、コード、その他 */
/* テーマ: 論文風ライトテーマ */

/* 小さいテキスト */
.small {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* 導入文（Abstract） */
.lead {
    background-color: var(--bg-secondary);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-primary);
    font-size: 0.95rem;
    text-align: justify;
    color: var(--text-secondary);
}

.lead::before {
    content: "Abstract";
    display: block;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* ノートボックス (Note/Remark) */
.note {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-primary);
    text-indent: 0;
}

.note::before {
    content: "Note";
    display: block;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* 警告ボックス (Warning) */
.warning {
    background-color: #fff8f8;
    border: 1px solid #e0c0c0;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-primary);
    text-indent: 0;
}

.warning::before {
    content: "Warning";
    display: block;
    font-weight: 700;
    color: var(--accent-red);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* 成功ボックス (Success) */
.success {
    background-color: #f8fff8;
    border: 1px solid #c0e0c0;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-primary);
    text-indent: 0;
}

.success::before {
    content: "Success";
    display: block;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* タイムラインボックス */
.timeline-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-primary);
    text-indent: 0;
}

/* 実践的なボックス (Case Study) */
.practical-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-primary);
    text-indent: 0;
}

/* テーブル (Academic Style) */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
}

th,
td {
    padding: 0.6rem 1rem;
    text-align: left;
    vertical-align: top;
    border: 1px solid var(--border-primary);
}

th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

td {
    color: var(--text-primary);
}

tr:hover td {
    background-color: var(--bg-secondary);
}

/* コードブロック */
pre {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: 1rem;
    padding-top: 2.5rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

/* 言語バッジ */
pre::before {
    content: 'Code';
    position: absolute;
    top: 0;
    left: 0;
    background: var(--text-muted);
    color: #fff;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: "Noto Sans JP", sans-serif;
}

/* 言語別バッジ */
pre.sql::before {
    content: 'SQL';
    background: #336791;
}

pre.mysql::before {
    content: 'MySQL';
    background: #4479A1;
}

pre.postgresql::before {
    content: 'PostgreSQL';
    background: #336791;
}

pre.sqlite::before {
    content: 'SQLite';
    background: #003B57;
}

pre.bash::before {
    content: 'Bash';
    background: #5a5a5a;
}

pre.python::before {
    content: 'Python';
    background: #5a5a5a;
}

pre.yaml::before {
    content: 'YAML';
    background: #5a5a5a;
}

pre.json::before {
    content: 'JSON';
    background: #5a5a5a;
}

code {
    font-family: "JetBrains Mono", "Consolas", monospace;
    color: var(--text-primary);
    font-size: 0.9em;
}

pre code {
    background-color: transparent;
    padding: 0;
    color: var(--text-primary);
}

/* インラインコード */
p code,
li code,
td code {
    background-color: var(--bg-tertiary);
    padding: 0.1rem 0.3rem;
    font-size: 0.85em;
    color: var(--text-primary);
}

/* 参考・免責文 */
.refs {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: 1.5rem;
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.refs strong {
    color: var(--text-primary);
}

/* 検索ボックス */
.search-box {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary);
    position: relative;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    overflow: hidden;
}

.search-input {
    flex: 1;
    border: none;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    outline: none;
    min-width: 0;
    background: transparent;
    color: var(--text-primary);
}

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

.search-clear {
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    font-size: 1rem;
    line-height: 1;
}

.search-clear:hover {
    color: var(--accent-red);
}

.search-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 0.4rem;
    gap: 0.3rem;
}

.search-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-right: auto;
}

.search-prev,
.search-next {
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
    line-height: 1;
}

.search-prev:hover,
.search-next:hover {
    background: var(--bg-secondary);
}

/* 検索ハイライト */
.search-highlight {
    background-color: #fff3cd;
    color: var(--text-primary);
    padding: 0 2px;
}

.search-highlight-current {
    background-color: #ffc107;
    color: var(--text-primary);
}

/* 全章検索結果ドロップダウン */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-top: none;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: none;
}

.search-result-item {
    display: block;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.85rem;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover,
.search-result-item.selected {
    background-color: var(--bg-secondary);
}

.search-result-chapter {
    display: inline-block;
    background: var(--text-muted);
    color: #fff;
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
    margin-right: 0.5rem;
    font-weight: 600;
}

.search-result-title {
    color: var(--text-primary);
}

.search-keyword {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
    padding-left: 3.5rem;
}

.search-keyword::before {
    content: '→ ';
}

.search-no-results {
    padding: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-snippet {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-snippet mark {
    background-color: #fff3cd;
    color: var(--text-primary);
    padding: 0 2px;
}

/* アフィリエイトリンク */
.affiliate-link {
    margin-top: 3rem;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    text-align: center;
}

.affiliate-link #msmaflink-gcBtm {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* スクロールバースタイリング */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* PlantUML図 */
.plantuml-diagram {
    max-width: 100%;
    height: auto;
    margin: 1em 0;
    background: #fff;
    border: 1px solid var(--border-primary);
    padding: 1em;
}

.plantuml-figure {
    margin: 1.5em 0;
    text-align: center;
}

.plantuml-figure figcaption {
    font-size: 0.9em;
    color: var(--text-muted);
    margin-top: 0.5em;
}

/* 広告エリア */
.ad-section {
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-primary);
}

.ad-container {
    text-align: center;
}

.ad-item {
    display: inline-block;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
}

.ad-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.ad-item img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .ad-section {
        padding: 1.5rem 0;
    }
    
    .ad-item {
        padding: 0.75rem;
    }
}

/* ブックマーク機能 */
.bookmark-btn {
    background: none;
    border: none;
    font-size: 1.2em;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    line-height: 1;
    transition: color 0.2s, transform 0.2s;
    flex-shrink: 0;
}

.bookmark-btn:hover {
    color: var(--accent-primary);
    transform: scale(1.2);
}

.bookmark-btn.bookmarked {
    color: #f4a623;
}

/* トースト通知 */
.bookmark-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
}

.bookmark-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ブックマーク一覧ページ */
.bookmark-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-primary);
}

.bookmark-page-header h1 {
    margin: 0;
}

.bookmark-clear-btn {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}

.bookmark-clear-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.no-bookmarks {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
    line-height: 2;
}

.bookmark-group {
    margin-bottom: 2rem;
}

.bookmark-chapter {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-secondary);
}

.bookmark-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bookmark-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-secondary);
}

.bookmark-item:last-child {
    border-bottom: none;
}

.bookmark-link {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    padding: 0.25rem 0;
}

.bookmark-link:hover {
    color: var(--accent-primary);
}

.bookmark-title {
    font-weight: 500;
}

.bookmark-date {
    font-size: 0.85em;
    color: var(--text-muted);
}

.bookmark-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    font-size: 1.2em;
    line-height: 1;
    margin-left: 1rem;
    transition: color 0.2s;
}

.bookmark-remove:hover {
    color: #c00;
}

@media (max-width: 768px) {
    .bookmark-page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .bookmark-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* ===========================================
   学習反復履歴（Review Tracker）
   =========================================== */

/* ウィジェット（右下フローティング） */
.review-tracker-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 200px;
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(26, 54, 93, 0.3);
    font-size: 13px;
    z-index: 9999;
    overflow: hidden;
    transition: all 0.3s ease;
}

.review-tracker-widget.collapsed {
    width: 130px;
}

.review-tracker-widget.collapsed .review-tracker-body {
    display: none;
}

.review-tracker-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    cursor: pointer;
    user-select: none;
}

.review-tracker-icon {
    font-size: 14px;
}

.review-tracker-title {
    flex: 1;
    font-weight: 600;
    font-size: 12px;
}

.review-tracker-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.review-tracker-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.review-tracker-body {
    padding: 12px;
    background: #fff;
    border-radius: 0 0 8px 8px;
}

.review-tracker-chapter {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-secondary);
}

.review-tracker-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    font-size: 12px;
}

.review-tracker-stat .stat-label {
    color: var(--text-muted);
}

.review-tracker-stat .stat-value {
    color: var(--text-primary);
    font-weight: 500;
}

.review-tracker-stat.next-review .stat-value {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.status-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.status-badge.overdue,
.next-review.overdue .status-badge {
    background: #fee2e2;
    color: #dc2626;
}

.status-badge.today,
.next-review.today .status-badge {
    background: #fef3c7;
    color: #d97706;
}

.status-badge.soon,
.next-review.soon .status-badge {
    background: #dbeafe;
    color: #2563eb;
}

.status-badge.ok,
.next-review.ok .status-badge {
    background: #dcfce7;
    color: #16a34a;
}

.status-badge.not-started {
    background: #f3f4f6;
    color: #6b7280;
}

.review-tracker-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-secondary);
}

.review-tracker-link {
    flex: 1;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 11px;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
}

.review-tracker-link:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.review-tracker-clear {
    padding: 6px 8px;
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.review-tracker-clear:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* 履歴一覧ページ */
.review-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-primary);
}

.review-history-header h1 {
    margin: 0;
}

.review-history-clear-btn {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s;
}

.review-history-clear-btn:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.review-history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.review-history-card {
    background: #fff;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1rem;
    transition: box-shadow 0.2s;
}

.review-history-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.review-history-card.overdue {
    border-left: 3px solid #dc2626;
}

.review-history-card.today {
    border-left: 3px solid #d97706;
}

.review-history-card.soon {
    border-left: 3px solid #2563eb;
}

.review-history-card.ok {
    border-left: 3px solid #16a34a;
}

.review-history-card.not-started {
    border-left: 3px solid #9ca3af;
    opacity: 0.7;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.card-chapter {
    font-size: 0.85em;
    color: var(--text-muted);
}

.card-status {
    font-size: 0.75em;
}

.card-title {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 0.75rem;
}

.card-title:hover {
    color: var(--accent-primary);
}

.card-stats {
    font-size: 0.85em;
}

.card-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
}

.card-stat .stat-label {
    color: var(--text-muted);
}

.card-stat .stat-value {
    color: var(--text-primary);
}

.not-started-text {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 1rem 0;
    margin: 0;
}

.card-clear {
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 0.8em;
    cursor: pointer;
    transition: all 0.2s;
}

.card-clear:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .review-tracker-widget {
        bottom: 10px;
        right: 10px;
        width: 180px;
    }
    
    .review-tracker-widget.collapsed {
        width: 110px;
    }
    
    .review-history-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .review-history-grid {
        grid-template-columns: 1fr;
    }
}

/* 印刷時は非表示 */
@media print {
    .review-tracker-widget {
        display: none !important;
    }
}

/* ===========================================
   音声プレイヤー
   =========================================== */

.audio-player {
    margin: 0 0 2rem 0;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
}

.audio-player-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.audio-player-icon {
    font-size: 1.1em;
}

.audio-player-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

.audio-player audio {
    width: 100%;
    max-width: 100%;
    margin-bottom: 0.75rem;
    border-radius: 4px;
}

.audio-speed-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.audio-speed-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-right: 0.25rem;
}

.audio-speed-btn {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-primary);
    background: #fff;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.audio-speed-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.audio-speed-btn.active {
    background: var(--accent-primary, #1a365d);
    color: #fff;
    border-color: var(--accent-primary, #1a365d);
}

/* モバイル対応 */
@media (max-width: 768px) {
    .audio-player {
        padding: 0.875rem 1rem;
        margin-bottom: 1.5rem;
    }
    
    .audio-speed-controls {
        gap: 0.4rem;
    }
    
    .audio-speed-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* 印刷時は非表示 */
@media print {
    .audio-player {
        display: none !important;
    }
}