/* Text Compare Diff Display Styles */

.diff-container {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    border: 1px solid var(--mud-palette-divider);
    border-radius: 4px;
    overflow: auto;
    max-height: 600px;
}

.diff-line {
    display: flex;
    min-height: 1.5rem;
    border-bottom: 1px solid var(--mud-palette-divider-light);
}

.diff-line:last-child {
    border-bottom: none;
}

.diff-line-numbers {
    display: flex;
    flex-direction: row;
    min-width: 80px;
    background-color: var(--mud-palette-surface);
    border-right: 1px solid var(--mud-palette-divider);
    user-select: none;
}

.line-number {
    flex: 1;
    text-align: right;
    padding: 0 8px;
    color: var(--mud-palette-text-secondary);
    font-size: 0.75rem;
}

.line-number.left {
    border-right: 1px solid var(--mud-palette-divider-light);
}

.diff-line-content {
    flex: 1;
    display: flex;
    overflow-x: auto;
}

.diff-line-text {
    flex: 1;
    padding: 0 8px;
    white-space: pre;
}

.diff-line-side {
    flex: 1;
    padding: 0 8px;
    white-space: pre;
}

.diff-line-side.left {
    border-right: 1px solid var(--mud-palette-divider-light);
}

.diff-marker {
    display: inline-block;
    width: 20px;
    font-weight: bold;
    margin-right: 4px;
}

/* Diff line types */
.diff-line-unchanged {
    background-color: transparent;
}

.diff-line-added {
    background-color: rgba(46, 160, 67, 0.15);
}

.diff-line-added .diff-marker {
    color: #2ea043;
}

.diff-line-deleted {
    background-color: rgba(248, 81, 73, 0.15);
}

.diff-line-deleted .diff-marker {
    color: #f85149;
}

.diff-line-modified {
    background-color: rgba(201, 137, 16, 0.15);
}

.diff-line-modified .diff-marker {
    color: #c98910;
}

/* Dark mode adjustments (the app signals dark mode via the .DarkMode wrapper in MainLayout) */
.DarkMode .diff-line-added {
    background-color: rgba(46, 160, 67, 0.25);
}

.DarkMode .diff-line-deleted {
    background-color: rgba(248, 81, 73, 0.25);
}

.DarkMode .diff-line-modified {
    background-color: rgba(201, 137, 16, 0.25);
}

/* Character-level diff segments */
.diff-segment-changed {
    background-color: rgba(255, 255, 0, 0.3);
    font-weight: bold;
}

.DarkMode .diff-segment-changed {
    background-color: rgba(255, 255, 0, 0.2);
}

/* Collapsed block */
.diff-block-collapsed {
    background-color: var(--mud-palette-action-default-hover);
    padding: 4px;
    text-align: center;
    border-bottom: 1px solid var(--mud-palette-divider);
}

/* Current difference highlight for Previous/Next navigation */
.diff-block-current {
    outline: 2px solid var(--mud-palette-info);
    outline-offset: -2px;
}

/* Input pane layout */
.compare-pane {
    min-width: 0;
}

.compare-pane-split {
    flex: 1 1 0;
    max-width: 50%;
}

/* Compact select for whitespace mode */
.compact-select {
    min-width: 150px;
}