/**
 * Matrix Heatmap-Modus Styles
 */

.heatmap-layout {
    display: grid;
    grid-template-columns: 260px 1fr 220px;
    gap: var(--space-lg);
    padding: var(--space-lg);
    min-height: calc(100vh - 200px);
}

/* Sidebar */
.matrix-sidebar {
    background: var(--color-paper);
    padding: var(--space-md);
    border-radius: 8px;
}

.matrix-sidebar h2, .matrix-sidebar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-ink-light);
    margin-bottom: var(--space-sm);
}

.matrix-meta {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-paper-dark);
}

/* Options */
.color-options, .value-options, .display-options, .legend-panel, .statistics-panel {
    margin-bottom: var(--space-lg);
}

.color-options select, .value-options select {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--color-paper-dark);
    border-radius: 4px;
}

.display-options label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
    cursor: pointer;
}

/* Legend */
.color-legend {
    background: white;
    padding: var(--space-sm);
    border-radius: 4px;
}

.legend-gradient {
    height: 20px;
    border-radius: 3px;
    background: linear-gradient(to right, rgba(70, 130, 180, 0.2), rgba(70, 130, 180, 1));
}

.legend-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-ink-light);
    margin-top: var(--space-xs);
}

/* Statistics */
.statistics-panel {
    background: var(--color-paper-dark);
    padding: var(--space-md);
    border-radius: 6px;
}

.stats-list dt {
    font-size: 0.75rem;
    color: var(--color-ink-light);
    margin-top: var(--space-sm);
}

.stats-list dd {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

/* Main Area */
.matrix-main {
    background: white;
    border-radius: 8px;
    padding: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: auto;
    position: relative;
}

.heatmap-container {
    overflow: auto;
}

.heatmap-svg {
    display: block;
}

.heatmap-svg .col-label, .heatmap-svg .row-label {
    font-size: 12px;
    fill: var(--color-ink);
}

.heatmap-svg .cell-value {
    font-size: 11px;
    fill: white;
    font-weight: 500;
    pointer-events: none;
}

.heatmap-cell {
    cursor: pointer;
}

.heatmap-cell rect {
    transition: opacity 0.2s;
}

.heatmap-cell:hover rect {
    opacity: 0.8;
    stroke: var(--color-ink);
    stroke-width: 2;
}

/* Tooltip */
.cell-tooltip {
    position: fixed;
    background: var(--color-ink);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    font-size: 0.85rem;
    z-index: 1000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.cell-tooltip.hidden {
    display: none;
}

/* Context Sidebar */
.matrix-context {
    background: var(--color-paper);
    padding: var(--space-md);
    border-radius: 8px;
}

.keyboard-hints h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-ink-light);
    margin-bottom: var(--space-sm);
}

.hint-list dt {
    font-family: monospace;
    font-size: 0.8rem;
    background: var(--color-paper-dark);
    padding: 2px 6px;
    border-radius: 3px;
    display: inline-block;
    margin-top: var(--space-sm);
}

.hint-list dd {
    font-size: 0.85rem;
    margin: var(--space-xs) 0 0 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .heatmap-layout {
        grid-template-columns: 1fr;
    }
    .matrix-context {
        display: none;
    }
}