/**
 * 学習進捗管理のフロントエンドスタイル
 */

/* 基本スタイル */
.progress-tracker-shortcode {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    margin-bottom: 30px;
    --understood-color: #e6f7e6;
    --mastered-color: #ffebcc;
    --primary-color: #0073aa;
    --secondary-color: #23282d;
    --success-color: #46b450;
    --info-color: #00a0d2;
    --warning-color: #ffb900;
    --danger-color: #dc3232;
}

/* タブ */
.progress-tabs {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd;
}

.progress-tab {
    padding: 8px 16px;
    cursor: pointer;
    margin-right: 5px;
    border: 1px solid #ddd;
    border-bottom: none;
    border-radius: 5px 5px 0 0;
    background-color: #f8f8f8;
    transition: all 0.3s ease;
}

.progress-tab:hover {
    background-color: #e8e8e8;
}

.progress-tab.active {
    background-color: #fff;
    border-bottom-color: #fff;
    margin-bottom: -1px;
    font-weight: bold;
}

/* 科目コンテナ */
.progress-subject {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.subject-title {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.5em;
    color: var(--secondary-color);
}

.percent {
    font-weight: normal;
    color: #666;
    font-size: 0.9em;
}

/* プログレスバー */
.progress-bar-container {
    height: 20px;
    background-color: #f1f1f1;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--success-color);
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255,255,255,.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255,255,255,.2) 50%,
        rgba(255,255,255,.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 50px 50px;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 50px 50px; }
    100% { background-position: 0 0; }
}

/* コントロール */
.progress-controls {
    text-align: right;
    margin-bottom: 10px;
}

.reset-progress-btn {
    background-color: #f9f9f9;
    color: #a00;
    border: 1px solid #ddd;
    padding: 6px 12px;
    font-size: 0.85em;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.reset-progress-btn:hover {
    background-color: #f1f1f1;
    color: #dc3232;
    border-color: #dc3232;
}

/* 章アコーディオン */
.chapters-container {
    margin-top: 20px;
}

.chapter-accordion-item {
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.chapter-accordion-item:hover {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.chapter-accordion-header {
    padding: 12px 15px;
    background-color: #f8f8f8;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.chapter-accordion-header:hover {
    background-color: #f0f0f0;
}

.chapter-title {
    font-weight: bold;
    font-size: 1.1em;
}

.chapter-toggle-icon {
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background-color: #eee;
    border-radius: 50%;
    font-weight: bold;
    transition: all 0.3s ease;
}

.chapter-accordion-header:hover .chapter-toggle-icon {
    background-color: #ddd;
}

.chapter-accordion-content {
    padding: 15px;
    background-color: #fafafa;
}

/* 節 */
.section-item {
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    margin-bottom: 10px;
    overflow: hidden;
}

.section-header {
    padding: 10px;
    background-color: #f5f5f5;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-content {
    padding: 10px;
    background-color: #fff;
}

/* 項 */
.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 3px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.item-row:hover {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.item-title {
    flex-grow: 1;
    margin-right: 10px;
}

.item-checkboxes {
    display: flex;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

.checkbox-label:hover {
    background-color: #f0f0f0;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.9em;
    user-select: none;
}

/* チェック状態のスタイル */
.item-row.checked {
    background-color: var(--understood-color);
}

.item-row.mastered {
    background-color: var(--mastered-color);
}

.chapter-accordion-item.completed .chapter-accordion-header {
    background-color: var(--understood-color);
}

.chapter-accordion-item.mastered .chapter-accordion-header {
    background-color: var(--mastered-color);
}

.section-item.completed .section-header {
    background-color: var(--understood-color);
}

.section-item.mastered .section-header {
    background-color: var(--mastered-color);
}

/* 進捗インジケーター */
.progress-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85em;
}

.understood-indicator,
.mastered-indicator {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.8em;
}

.understood-indicator {
    background-color: var(--understood-color);
    color: #2e7d32;
}

.mastered-indicator {
    background-color: var(--mastered-color);
    color: #f57c00;
}

/* カウントダウン */
.exam-countdown {
    background-color: var(--info-color);
    color: white;
    padding: 15px 20px;
    text-align: center;
    font-weight: bold;
    border-radius: 5px;
    margin: 20px 0;
    font-size: 1.1em;
}

.countdown-number {
    font-size: 1.5em;
    color: #ffeb3b;
    margin: 0 5px;
}

.exam-countdown.post-exam {
    background-color: #6c757d;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .progress-tabs {
        flex-direction: column;
        border-bottom: none;
    }
    
    .progress-tab {
        margin-right: 0;
        margin-bottom: 5px;
        border: 1px solid #ddd;
        border-radius: 5px;
    }
    
    .progress-tab.active {
        margin-bottom: 5px;
    }
    
    .progress-subject {
        padding: 15px;
    }
    
    .item-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .item-title {
        margin-bottom: 10px;
    }
    
    .item-checkboxes {
        width: 100%;
        justify-content: flex-start;
    }
}

/* スタイルバリエーション */
/* シンプルスタイル */
.progress-tracker-simple .chapter-accordion-item {
    box-shadow: none;
    border-left: 3px solid #ddd;
    border-radius: 0;
}

.progress-tracker-simple .chapter-accordion-item.completed {
    border-left-color: var(--success-color);
}

.progress-tracker-simple .chapter-accordion-item.mastered {
    border-left-color: var(--warning-color);
}

/* カードスタイル */
.progress-tracker-card .chapter-accordion-item {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.progress-tracker-card .chapter-accordion-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* ミニマルスタイル */
.progress-tracker-minimal .progress-subject {
    box-shadow: none;
    padding: 0;
}

.progress-tracker-minimal .chapter-accordion-item {
    border: none;
    border-bottom: 1px solid #eee;
    border-radius: 0;
}

.progress-tracker-minimal .chapter-accordion-header {
    background-color: transparent;
}

/* アニメーション */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.chapter-accordion-content {
    animation: fadeIn 0.3s ease;
}

/* 保存中のインジケーター */
.saving-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--info-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 9999;
    display: none;
}

.saving-indicator.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* アクセシビリティ */
.progress-tracker-shortcode *:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 印刷用スタイル */
@media print {
    .progress-controls,
    .reset-progress-btn,
    .chapter-toggle-icon {
        display: none !important;
    }
    
    .chapter-accordion-content {
        display: block !important;
    }
    
    .progress-tracker-shortcode {
        color: #000;
    }
    
    .chapter-accordion-item,
    .section-item,
    .item-row {
        page-break-inside: avoid;
    }
}
/* 章タイトル左寄せ修正（frontend.cssの最後に追加） */

/* 章タイトルの左寄せ強制 */
.progress-tracker-shortcode .chapter-title {
    text-align: left !important;
    margin-right: auto;
    flex-grow: 1;
}

/* 章ヘッダー全体のレイアウト調整 */
.progress-tracker-shortcode .chapter-accordion-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
}

/* 章番号表示の修正 */
.progress-tracker-shortcode .chapter-title {
    font-weight: bold;
    font-size: 1.1em;
    text-align: left !important;
    margin-left: 0;
    margin-right: auto;
}

/* トグルアイコンとタイトル間のスペース調整 */
.progress-tracker-shortcode .chapter-toggle-icon {
    margin-right: 10px;
    flex-shrink: 0;
}

/* 進捗インジケーター部分は右寄せ */
.progress-tracker-shortcode .progress-indicator {
    margin-left: auto;
    text-align: right;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .progress-tracker-shortcode .chapter-accordion-header {
        flex-direction: row;
        text-align: left;
    }
    
    .progress-tracker-shortcode .chapter-title {
        text-align: left !important;
        width: auto;
        flex: 1;
    }
}