/* 音声学習進捗表示UI専用スタイル */

.voice-progress-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 15000;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.progress-panel-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    position: relative;
}

.progress-panel-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.close-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.progress-panel-content {
    height: calc(90vh - 80px);
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
}

/* スクロールバーのスタイル */
.progress-panel-content::-webkit-scrollbar {
    width: 8px;
}

.progress-panel-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.progress-panel-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.progress-panel-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 期間選択タブ */
.period-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 8px;
}

.period-tab {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: #495057;
    transition: all 0.2s;
}

.period-tab:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.period-tab.active {
    background: #007bff;
    border-color: #007bff;
    color: white;
}

/* 統計表示 */
.progress-loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    font-size: 16px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

.stat-card {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    border: 1px solid #e9ecef;
}

.stat-label {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 4px;
    font-weight: 500;
}

.stat-value {
    font-size: 16px;
    font-weight: bold;
    color: #212529;
}

/* レベル分布 */
.level-distribution {
    margin-bottom: 12px;
}

.level-distribution h4 {
    margin: 0 0 8px 0;
    color: #495057;
    font-size: 14px;
}

.level-bars {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.level-bar {
    display: flex;
    align-items: center;
    gap: 6px;
}

.level-label {
    width: 60px;
    font-size: 12px;
    font-weight: 500;
    color: #495057;
}

.bar-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
}

.bar {
    height: 12px;
    border-radius: 6px;
    transition: width 0.3s ease;
    min-width: 2px;
}

.bar.beginner { background: #fd7e14; }
.bar.intermediate { background: #ffc107; }
.bar.advanced { background: #20c997; }
.bar.expert { background: #6f42c1; }

.bar-value {
    font-size: 12px;
    font-weight: 600;
    color: #495057;
    min-width: 16px;
}

/* 進捗チャート */
.progress-chart-container {
    margin-bottom: 10px;
}

.progress-chart-container h4 {
    margin: 0 0 8px 0;
    color: #495057;
    font-size: 14px;
}

#progress-chart {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* 最高記録 */
.voice-progress-panel .best-performance {
    margin-bottom: 15px !important;
}

.voice-progress-panel .best-performance h4 {
    margin: 0 0 8px 0 !important;
    color: #495057;
    font-size: 14px !important;
}

.voice-progress-panel .best-day-card {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 8px 12px !important;
    border-radius: 6px;
    text-align: center;
}

.voice-progress-panel .best-day-date {
    font-size: 12px !important;
    opacity: 0.9;
    margin-bottom: 2px !important;
}

.voice-progress-panel .best-day-level {
    font-size: 14px !important;
    font-weight: bold;
    margin-bottom: 2px !important;
}

.voice-progress-panel .best-day-sessions {
    font-size: 12px !important;
    opacity: 0.9;
}

/* データ管理 */
.data-management {
    border-top: 2px solid #f0f0f0;
    padding-top: 16px;
}

.data-management h4 {
    margin: 0 0 12px 0;
    color: #495057;
    font-size: 16px;
}

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

.danger-btn {
    background: #dc3545;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.danger-btn:hover {
    background: #c82333;
}

.secondary-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.secondary-btn:hover {
    background: #5a6fd8;
}

/* エラー・データなし表示 */
.no-data, .error-message {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.no-data h3, .error-message h3 {
    margin: 0 0 16px 0;
    color: #495057;
}

.error-message {
    color: #dc3545;
}

.error-message h3 {
    color: #dc3545;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .voice-progress-panel {
        width: 95%;
        max-height: 85vh;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    .progress-panel-content {
        padding: 12px;
        height: calc(85vh - 60px);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }
    
    .period-tabs {
        flex-wrap: wrap;
        margin-bottom: 16px;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .level-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    
    .level-label {
        width: auto;
        text-align: center;
    }
    
    /* モバイル版で閉じるボタンをより大きくタップしやすく */
    .close-btn {
        width: 44px !important;
        height: 44px !important;
        font-size: 28px !important;
        touch-action: manipulation;
        min-width: 44px !important;
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        /* 他の要素と重ならないように右端に固定 */
        flex-shrink: 0 !important;
        margin-left: auto !important;
        /* 強制的に右上に配置 */
        position: absolute !important;
        top: 8px !important;
        right: 8px !important;
        z-index: 1000 !important;
        background: rgba(255, 255, 255, 0.2) !important;
        border-radius: 50% !important;
    }
    
    /* モバイル版でパネルヘッダーを改善 */
    .progress-panel-header {
        padding: 12px 60px 12px 16px !important;
        /* フレックスボックスで適切に配置 */
        display: flex !important;
        justify-content: flex-start !important;
        align-items: center !important;
        gap: 12px !important;
        position: relative !important;
    }
    
    .progress-panel-header h3 {
        font-size: 16px !important;
        /* タイトルが長い場合の対応 */
        flex: 1 !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: nowrap !important;
        margin-right: 60px !important;
    }
    
    /* データエクスポート/インポートエリアの改善 */
    .data-management {
        margin-top: 24px;
        margin-bottom: 40px;
        padding: 16px;
        background: #f8f9fa;
        border-radius: 8px;
    }
    
    .data-buttons {
        display: flex;
        flex-direction: row;
        gap: 8px;
        justify-content: space-between;
    }
    
    .secondary-btn {
        flex: 1;
        padding: 12px 8px;
        font-size: 14px;
        min-height: 48px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}