/* カスタムスタイル */
.grid-cell {
    transition: background-color 0.2s;
}

.grid-cell:hover {
    background-color: #f8f9fa;
}

.grid-cell.assessed {
    background-color: #e7f3ff;
    border-color: #007bff;
}

#imageCanvas {
    cursor: crosshair;
    touch-action: none; /* 以下タブレット用設定 */
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

.important-area {
    position: absolute;
    border: 2px solid #ff0000;
    background-color: rgba(255, 0, 0, 0.1);
    pointer-events: none;
}

.area-item {
    border: 1px solid #ddd;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    background-color: #f8f9fa;
}

.area-coordinates {
    font-size: 0.8em;
    color: #666;
}

#gridOverlay {
    pointer-events: none;
}

#gridContainer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
    width: 100%;
    height: 100%;
}

.grid-overlay-cell {
    border: 1px solid rgba(0, 123, 255, 0.8);
    background-color: rgba(0, 123, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #007bff;
    font-weight: bold;
    pointer-events: all;
    cursor: pointer;
}

.grid-overlay-cell:hover {
    background-color: rgba(0, 123, 255, 0.3);
}

.navbar-brand {
    font-weight: bold;
}

.card-header h5, .card-header h6 {
    margin-bottom: 0;
}

.list-group-item {
    transition: background-color 0.2s;
}

.assessment-values {
    font-size: 0.7em;
    margin-top: 5px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .col-md-8, .col-md-4 {
        margin-bottom: 1rem;
    }
    
    #imageCanvas {
        max-width: 100%;
        height: auto;
    }
}