/* Materials Menu Container */
#materials-menu {
    display: flex;
    flex-direction: column;
    background: #fff;
    height: 100%;
    width: 320px;
    transition: width 0.3s ease, margin-left 0.3s ease;
    border-right: 1px solid #e6e6e6;
    order: 2;
    overflow: hidden;
}

#materials-menu.collapsed {
    width: 0;
    border-right: none;
}

/* Materials Menu Title */
.materials-menu-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
    flex: 1;
}

/* Markers Checkbox Container - Highlighted Section */
#materials-markers-checkbox-container {
    background: #f0f7ff;
    border: 1px solid #b3d9ff;
    border-radius: 6px;
    padding: 12px;
    margin: 8px 12px 6px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.1);
    position: relative;
}

/* Markers Checkbox */
#materials-markers-checkbox {
    margin: 0;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: #007bff;
    flex-shrink: 0;
}

/* Markers Label */
#materials-markers-checkbox ~ label {
    cursor: pointer;
    user-select: none;
    font-weight: 500;
    color: #333;
    margin: 0;
    flex: 1;
}

/* Materials Info Icon */
.materials-info-icon {
    color: #007bff;
    font-size: 16px;
    cursor: help;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.materials-info-icon:hover {
    color: #0056b3;
}

/* Secondary info icon (gray) */
.materials-info-icon-secondary {
    color: #666;
}

.materials-info-icon-secondary:hover {
    color: #333;
}

/* Materials Info Tooltip */
.materials-info-tooltip {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: rgba(100, 100, 100, 0.9);
    color: white;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.5;
    width: 250px;
    z-index: 10000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.materials-info-tooltip strong {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
}

.materials-info-tooltip p {
    margin: 0;
    text-align: left;
}

.materials-info-icon:hover + .materials-info-tooltip {
    display: block;
}

/* Layer Checkbox Container - Other GeoJSON layers */
.materials-layer-checkbox-container {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 10px;
    margin: 6px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
    position: relative;
}

.materials-layer-checkbox-container:hover {
    background: #efefef;
    border-color: #999;
}

/* Layer Checkboxes */
#materials-spectrometer-checkbox,
#materials-polygons-checkbox {
    margin: 0;
    cursor: pointer;
    width: 16px;
    height: 16px;
    accent-color: #666;
    flex-shrink: 0;
}

/* Layer Labels */
#materials-spectrometer-checkbox ~ label,
#materials-polygons-checkbox ~ label {
    cursor: pointer;
    user-select: none;
    font-weight: 400;
    color: #333;
    margin: 0;
    flex: 1;
    font-size: 14px;
}

/* Filter Container - Sticky positioning */
.materials-filter-section {
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 100;
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

/* Filter Input Label */
.materials-filter-section label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #666;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Filter Input */
#materials-menu #materials-filter {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

#materials-menu #materials-filter:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

#materials-menu #materials-filter::placeholder {
    color: #999;
}

/* Sort Section - Sticky positioning */
.materials-sort-section {
    position: sticky;
    top: 70px;
    background: #fff;
    z-index: 100;
    padding: 8px 12px;
    border-bottom: 1px solid #ddd;
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Sort Buttons Container */
#materials-menu #materials-sort-buttons {
    display: flex;
    gap: 6px;
    flex: 1;
    padding: 0;
    margin: 0;
}

#materials-menu #materials-sort-buttons button {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 8px 10px;
    cursor: pointer;
    flex: 1;
    font-size: 14px;
    transition: all 0.2s ease;
    color: #666;
}

#materials-menu #materials-sort-buttons button:hover {
    background: #f5f5f5;
    border-color: #999;
}

#materials-menu #materials-sort-buttons button.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

/* Material Count Label */
#materials-count {
    font-size: 12px;
    font-weight: 600;
    color: #007bff;
    white-space: nowrap;
    padding: 4px 8px;
    background: #e7f3ff;
    border-radius: 4px;
    margin-left: auto;
}

/* List Container - takes remaining space */
#materials-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
    padding: 0;
    margin: 0;
}

#materials-list li {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333;
    font-size: 14px;
}

#materials-list li:hover {
    background: #f8f9fa;
    padding-left: 16px;
}

#materials-list li .meta {
    font-size: 0.85rem;
    color: #888;
}

#materials-list li.selected {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding-left: 8px;
}