/* Main Area Adjustment */
.header, .editor-panel {
    left: 284px; /* Default sidebar width + margin */
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed ~ .header,
.sidebar.collapsed ~ .editor-panel,
.sidebar.collapsed ~ .main-viewport {
    left: 104px; /* Collapsed sidebar width + margin */
}
.main-viewport {
    position: absolute;
    top: 0;
    left: 284px;
    right: 0;
    bottom: 0;
    overflow: auto;
    background-color: var(--bg-color);
    display: flex;
    /* justify-content and align-items removed to allow margin:auto to handle centering with overflow */
    padding: 60px; /* Space for shadow and boundaries */
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    scrollbar-gutter: stable;
}

#cy {
    flex-shrink: 0;
    background-color: var(--canvas-bg); /* Theme-aware paper background */
    position: relative;
    /* Sizes will be set by JS or default to 100% */
    width: 100%;
    height: 100%;
    margin: auto; /* Handles centering when sized fixed (A3/A4) */
    box-shadow: 0 0 40px rgba(0,0,0,0.1);
    border: 1px solid var(--panel-border); /* Visible canvas boundary */
}

#cy.grid-solid {
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
}

#cy.grid-dashed {
    background-image: 
        radial-gradient(var(--grid-color) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
}

/* Inventory Panel Overlay (Legacy - handled in analysis.css) */
/* .inventory-panel { ... } */

.inventory-header {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--sub-text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.inventory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.inventory-item .count {
    background: var(--accent-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 800;
}