/* ModelDeed Version Diff Styles */

/* Main diff container */
.diff-container {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    border: 1px solid var(--mud-palette-lines-default, #e0e0e0);
    border-radius: 8px;
    overflow: hidden;
    background: var(--mud-palette-background, #ffffff);
}

/* Diff table layout */
.diff-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.diff-table tr {
    border-bottom: 1px solid var(--mud-palette-lines-default, #f0f0f0);
}

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

/* Line numbers */
.diff-line-number {
    width: 40px;
    min-width: 40px;
    padding: 2px 8px;
    text-align: right;
    color: var(--mud-palette-text-secondary, #6c757d);
    background: var(--mud-palette-background-grey, #f8f9fa);
    font-size: 12px;
    user-select: none;
    border-right: 1px solid var(--mud-palette-lines-default, #e0e0e0);
}

/* Line symbol (+, -, ~) */
.diff-line-symbol {
    width: 24px;
    min-width: 24px;
    padding: 2px 4px;
    text-align: center;
    font-weight: bold;
    user-select: none;
}

/* Line content */
.diff-line-content {
    padding: 2px 12px;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Line type styles */
.diff-line-insert {
    background-color: rgba(40, 167, 69, 0.1);
}

.diff-line-insert .diff-line-symbol {
    color: #28a745;
}

.diff-line-delete {
    background-color: rgba(220, 53, 69, 0.1);
}

.diff-line-delete .diff-line-symbol {
    color: #dc3545;
}

.diff-line-modified {
    background-color: rgba(255, 193, 7, 0.1);
}

.diff-line-modified .diff-line-symbol {
    color: #ffc107;
}

.diff-line-equal {
    background-color: transparent;
}

.diff-line-equal .diff-line-symbol {
    color: transparent;
}

/* Inline diff highlights */
.diff-insert {
    background-color: #d4edda;
    color: #155724;
    padding: 1px 2px;
    border-radius: 2px;
}

.diff-delete {
    background-color: #f8d7da;
    color: #721c24;
    text-decoration: line-through;
    padding: 1px 2px;
    border-radius: 2px;
}

.diff-equal {
    color: var(--mud-palette-text-primary, #333);
}

/* Statistics card */
.diff-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 16px;
    background: var(--mud-palette-surface, #f8f9fa);
    border-radius: 8px;
    margin-bottom: 20px;
}

.diff-stat-item {
    text-align: center;
    min-width: 100px;
}

.diff-stat-value {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.2;
}

.diff-stat-value.added {
    color: #28a745;
}

.diff-stat-value.added::before {
    content: '+';
}

.diff-stat-value.deleted {
    color: #dc3545;
}

.diff-stat-value.deleted::before {
    content: '-';
}

.diff-stat-value.similarity {
    color: var(--mud-palette-primary, #1976d2);
}

.diff-stat-label {
    font-size: 12px;
    color: var(--mud-palette-text-secondary, #6c757d);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* Version comparison header */
.diff-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--mud-palette-primary, #1976d2);
    color: white;
    border-radius: 8px 8px 0 0;
}

.diff-header-version {
    display: flex;
    align-items: center;
    gap: 8px;
}

.diff-header-version .version-label {
    font-size: 12px;
    opacity: 0.8;
}

.diff-header-version .version-name {
    font-weight: 600;
}

.diff-header-arrow {
    font-size: 20px;
    opacity: 0.7;
}

/* Legend */
.diff-legend {
    display: flex;
    gap: 24px;
    padding: 12px 16px;
    background: var(--mud-palette-background-grey, #f8f9fa);
    border-bottom: 1px solid var(--mud-palette-lines-default, #e0e0e0);
    font-size: 13px;
}

.diff-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.diff-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

.diff-legend-color.added {
    background-color: #d4edda;
    border: 1px solid #28a745;
}

.diff-legend-color.deleted {
    background-color: #f8d7da;
    border: 1px solid #dc3545;
}

.diff-legend-color.modified {
    background-color: rgba(255, 193, 7, 0.3);
    border: 1px solid #ffc107;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .diff-stats {
        gap: 12px;
    }

    .diff-stat-item {
        min-width: 80px;
    }

    .diff-stat-value {
        font-size: 22px;
    }

    .diff-line-number {
        width: 32px;
        min-width: 32px;
        padding: 2px 4px;
        font-size: 10px;
    }

    .diff-line-content {
        padding: 2px 8px;
        font-size: 12px;
    }

    .diff-legend {
        flex-wrap: wrap;
        gap: 12px;
    }
}

/* Dark mode support for MudBlazor */
.mud-theme-dark .diff-container {
    border-color: #444;
    background: #1e1e1e;
}

.mud-theme-dark .diff-line-number {
    background: #2d2d2d;
    color: #888;
    border-color: #444;
}

.mud-theme-dark .diff-line-insert {
    background-color: rgba(40, 167, 69, 0.2);
}

.mud-theme-dark .diff-line-delete {
    background-color: rgba(220, 53, 69, 0.2);
}

.mud-theme-dark .diff-insert {
    background-color: rgba(40, 167, 69, 0.3);
    color: #a3d9a5;
}

.mud-theme-dark .diff-delete {
    background-color: rgba(220, 53, 69, 0.3);
    color: #f5c6cb;
}

.mud-theme-dark .diff-equal {
    color: #e0e0e0;
}

.mud-theme-dark .diff-stats {
    background: #2d2d2d;
}

.mud-theme-dark .diff-legend {
    background: #2d2d2d;
    border-color: #444;
}

/* Side-by-side view (optional) */
.diff-side-by-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.diff-side-by-side .diff-pane {
    overflow-x: auto;
}

.diff-side-by-side .diff-pane-left {
    border-right: 2px solid var(--mud-palette-lines-default, #e0e0e0);
}

.diff-side-by-side .diff-pane-header {
    padding: 8px 12px;
    background: var(--mud-palette-background-grey, #f8f9fa);
    border-bottom: 1px solid var(--mud-palette-lines-default, #e0e0e0);
    font-weight: 600;
    font-size: 13px;
}