/* Diff Viewer Styles */

.diff-viewer {
    font-family: ui-monospace, monospace;
    margin: 1rem 0;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    overflow: hidden;
    background: #fff;
}

.diff-viewer.side-by-side .diff-blocks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: #e5e7eb;
}

.diff-header {
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
    background: #f9fafb;
}

.diff-metadata {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: #4b5563;
}

.diff-controls {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.5rem;
}

.diff-controls button {
    padding: 0.25rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    background: #fff;
    font-size: 0.875rem;
    color: #374151;
    cursor: pointer;
    transition: all 0.2s;
}

.diff-controls button:hover {
    background: #f3f4f6;
}

.diff-section {
    border-bottom: 1px solid #e5e7eb;
}

.diff-field-header {
    padding: 0.5rem 1rem;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 500;
    cursor: pointer;
}

.diff-field-header .syntax-type {
    font-size: 0.75rem;
    color: #6b7280;
    margin-left: 0.5rem;
}

.diff-block {
    display: grid;
    grid-template-columns: auto 1fr;
    background: #fff;
}

.line-numbers {
    padding: 0.5rem;
    background: #f9fafb;
    border-right: 1px solid #e5e7eb;
    text-align: right;
    color: #6b7280;
    user-select: none;
}

.line-number {
    display: block;
    padding: 0 0.5rem;
    font-size: 0.875rem;
}

.diff-block pre {
    margin: 0;
    padding: 0.5rem;
    overflow-x: auto;
}

.diff-block code {
    font-family: ui-monospace, monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Inline diff styles */
.diff-removed {
    background-color: #fee2e2;
    text-decoration: line-through;
    color: #991b1b;
}

.diff-added {
    background-color: #dcfce7;
    color: #166534;
}

/* Syntax highlighting */
.language-json .json-key {
    color: #059669;
}

.language-python .keyword {
    color: #7c3aed;
}

.language-python .string {
    color: #059669;
}

.language-python .comment {
    color: #6b7280;
    font-style: italic;
}

/* Comment threads */
.comment-thread {
    border-top: 1px solid #e5e7eb;
    padding: 1rem;
    background: #f9fafb;
}

.comment {
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.25rem;
}

.comment:last-child {
    margin-bottom: 0;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.comment-content {
    font-size: 0.875rem;
    color: #374151;
}

/* Navigation */
.diff-navigation {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
}

.position-indicator {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Collapsed state */
.diff-section.collapsed .diff-blocks {
    display: none;
}

/* Performance warning */
.performance-warning {
    padding: 0.5rem;
    background: #fffbeb;
    border: 1px solid #fcd34d;
    color: #92400e;
    font-size: 0.875rem;
    margin: 0.5rem 1rem;
    border-radius: 0.25rem;
}