/**
 * PCパーツ価格トラッカー - グラフスタイル
 */

.pcparts-chart-container {
    margin: 20px 0;
    padding: 20px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pcparts-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.pcparts-chart-title {
    margin: 0;
    font-size: 1.5em;
    color: #1f2937;
    font-weight: 600;
}

.pcparts-chart-controls {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.pcparts-period-btn {
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    background: #fff;
    color: #374151;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.pcparts-period-btn:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.pcparts-period-btn.active {
    background: #3b82f6;
    color: #fff;
    border-color: #3b82f6;
}

.pcparts-chart-info {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #6b7280;
    flex-wrap: wrap;
}

.pcparts-chart-info span {
    display: inline-flex;
    align-items: center;
}

.pcparts-chart-category,
.pcparts-chart-manufacturer,
.pcparts-chart-base {
    padding: 4px 10px;
    background: #f3f4f6;
    border-radius: 4px;
}

.pcparts-chart-wrapper {
    position: relative;
    width: 100%;
    background: #fff;
}

.pcparts-chart-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    font-size: 14px;
    color: #6b7280;
    z-index: 10;
}

.pcparts-chart-error,
.pcparts-chart-no-data {
    padding: 40px;
    text-align: center;
    color: #6b7280;
    font-size: 14px;
}

.pcparts-chart-error {
    color: #ef4444;
}

.pcparts-index-list {
    margin: 20px 0;
}

.pcparts-index-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.pcparts-index-table thead {
    background: #f9fafb;
}

.pcparts-index-table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: #374151;
    border-bottom: 2px solid #e5e7eb;
    font-size: 14px;
}

.pcparts-index-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
    color: #1f2937;
}

.pcparts-index-table tbody tr:last-child td {
    border-bottom: none;
}

.pcparts-index-table tbody tr:hover {
    background: #f9fafb;
}

.pcparts-change-rate {
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.pcparts-change-rate.positive {
    color: #10b981;
    background: #d1fae5;
}

.pcparts-change-rate.negative {
    color: #ef4444;
    background: #fee2e2;
}

.pcparts-show-chart-btn {
    padding: 4px 12px;
    background: #3b82f6;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    font-size: 13px;
    display: inline-block;
    transition: background 0.2s;
}

.pcparts-show-chart-btn:hover {
    background: #2563eb;
    color: #fff;
    text-decoration: none;
}

@media (max-width: 768px) {
    .pcparts-chart-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pcparts-chart-controls {
        width: 100%;
    }
    
    .pcparts-period-btn {
        flex: 1;
        min-width: 60px;
        text-align: center;
    }
    
    .pcparts-index-table {
        font-size: 12px;
    }
    
    .pcparts-index-table th,
    .pcparts-index-table td {
        padding: 8px 10px;
    }
    
    .pcparts-chart-info {
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .pcparts-chart-container {
        padding: 15px;
    }
    
    .pcparts-chart-title {
        font-size: 1.2em;
    }
    
    .pcparts-period-btn {
        font-size: 11px;
        padding: 5px 8px;
    }
    
    .pcparts-index-table {
        display: block;
        overflow-x: auto;
    }
}