/* Contenedor principal: ocupa toda el área disponible */
#msv-wrap {
    display: flex;
    flex-direction: column;
    height: 99%;
    min-height: 420px;
    border: 1px solid #77787a;
    border-radius: 4px;
    overflow: hidden;
}

/* Barra de título superior */
#msv-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    border-bottom: 1px solid #e2e5ec;
    background: #f7f8fc;
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 700;
    color: #374151;
}

#msv-expo-name {
    letter-spacing: .01em;
}

/* Separador visual entre expo y sector */
#msv-sector-name:not(:empty)::before {
    content: '›';
    margin-right: 8px;
    color: #8c55eb;
    font-weight: 400;
}

#msv-sector-name {
    color: #8c55eb;
    font-weight: 600;
}

/* Área del canvas: ocupa todo el espacio restante */
#msv-canvas-area {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: #f0f0f0;
}

/* Wrapper del canvas con zoom via transform */
#msv-canvas-wrap {
    position: absolute;
    display: inline-block;
    border: 1px solid #d1d5db;
    border-radius: 3px;
    overflow: hidden;
    transform-origin: 0 0;
    cursor: grab;
    user-select: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.41);
}

#msv-canvas-wrap.panning {
    cursor: grabbing !important;
}

#msv-canvas {
    display: block;
}

/* Controles de zoom */
.msv-zoom-controls {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    z-index: 10;
}

.msv-zoom-btn {
    width: 28px;
    height: 28px;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s;
    font-family: monospace;
    color: #374151;
}

.msv-zoom-btn:hover {
    background: #f3f4f6;
    border-color: #8c55eb;
}

.msv-zoom-label {
    text-align: center;
    font-size: 10px;
    color: #93a2b8;
    padding: 2px;
    background: #fff;
    border-radius: 3px;
    border: 1px solid #e2e5ec;
    font-family: monospace;
}