* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", sans-serif;
    display: flex;
    height: 100vh;
}

#sidebar {
    width: 300px;
    min-width: 300px;
    padding: 16px;
    background: #fff;
    overflow-y: auto;
    border-right: 1px solid #ddd;
    z-index: 1000;
    transition: transform 0.3s;
}

#sidebar h1 {
    font-size: 20px;
    margin-bottom: 8px;
    color: #333;
}

#meta-info {
    font-size: 12px;
    color: #888;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.filter-group {
    margin-bottom: 12px;
}

.filter-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 4px;
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
}

.price-range {
    display: flex;
    align-items: center;
    gap: 6px;
}

.price-range input {
    width: 45%;
}

.price-range span {
    color: #999;
}

#btn-filter, #btn-reset {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    margin-right: 6px;
    margin-top: 4px;
}

#btn-filter {
    background: #2196F3;
    color: #fff;
}

#btn-filter:hover { background: #1976D2; }

#btn-reset {
    background: #eee;
    color: #555;
}

#btn-reset:hover { background: #ddd; }

#stats {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

#map {
    flex: 1;
    height: 100vh;
}

#sidebar-toggle {
    display: none;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1001;
    background: #fff;
    border: 2px solid #ccc;
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 18px;
}

/* Popup */
.popup-content h3 {
    font-size: 14px;
    margin-bottom: 6px;
    color: #333;
}

.popup-content .case-no {
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.popup-content table {
    width: 100%;
    font-size: 12px;
    border-collapse: collapse;
}

.popup-content td {
    padding: 2px 4px;
    border-bottom: 1px solid #f0f0f0;
}

.popup-content td:first-child {
    font-weight: 600;
    color: #555;
    width: 70px;
}

.popup-content .price {
    color: #d32f2f;
    font-weight: 700;
    font-size: 14px;
}

.popup-content .history-info {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid #eee;
    font-size: 11px;
    color: #888;
}

.popup-content a {
    display: inline-block;
    margin-top: 6px;
    color: #1976D2;
    text-decoration: none;
    font-size: 12px;
}

.popup-content a:hover { text-decoration: underline; }

/* Marker icons */
.marker-land {
    background: #4CAF50;
    border: 2px solid #2E7D32;
    border-radius: 50%;
    width: 12px;
    height: 12px;
}

.marker-building {
    background: #F44336;
    border: 2px solid #C62828;
    border-radius: 50%;
    width: 12px;
    height: 12px;
}

/* RWD */
@media (max-width: 768px) {
    #sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        transform: translateX(-100%);
    }

    #sidebar.open {
        transform: translateX(0);
    }

    #sidebar-toggle {
        display: block;
    }

    #map {
        width: 100vw;
    }
}