/* ===== BIM Classification Panel ===== */
.bim-classification-panel {
    position: absolute;
    right: var(--rp-offset, 12px);
    top: var(--vsp-panel-top, 118px);
    z-index: 900;
    transition: right 0.25s ease, top 0.25s ease;
    width: 280px;
    max-height: calc(100% - 120px);
    background: rgba(20, 20, 20, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    color: #ddd;
    font-size: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(8px);
}

.bim-classification-panel-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.bim-classification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
}

.bim-classification-title {
    display: flex;
    align-items: center;
    gap: 6px;
}

.bim-classification-close {
    cursor: pointer;
    opacity: 0.6;
    font-size: 14px;
    background: none;
    border: none;
    color: #ddd;
}

.bim-classification-close:hover {
    opacity: 1;
}

.bim-classification-list {
    overflow-y: auto;
    padding: 6px 0;
    flex: 1;
}

.bim-class-row {
    display: flex;
    align-items: center;
    padding: 5px 14px;
    gap: 8px;
    transition: background 0.15s;
}

.bim-class-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

.bim-class-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.bim-class-color-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    border: none;
    padding: 0;
}

.bim-class-name {
    flex: 1;
    font-size: 11px;
    color: #ccc;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bim-class-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.bim-class-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    font-size: 12px;
    padding: 2px;
    transition: color 0.2s;
}

.bim-class-btn:hover {
    color: #fff;
}

.bim-class-btn.bim-dimmed {
    color: rgba(255, 255, 255, 0.2);
}