.repo-browser {
    --repo-bg: #0d1117;
    --repo-border: #30363d;
    --repo-text: #c9d1d9;
    --repo-muted: #8b949e;
    --repo-accent: var(--accent, #34d399);
    --repo-row-hover: #161b22;
    margin-top: 1rem;
    border: 1px solid var(--border, var(--repo-border));
    border-radius: 10px;
    overflow: hidden;
    background: var(--repo-bg);
    font-size: 0.85rem;
}

.repo-browser--compact {
    max-height: 340px;
    display: flex;
    flex-direction: column;
}

.repo-browser--compact .repo-layout {
    min-height: 0;
    flex: 1;
}

.repo-browser--full {
    min-height: 720px;
}

.repo-browser--tall {
    min-height: 820px;
}

.repo-browser--tall .repo-layout {
    min-height: 680px;
}

.repo-browser--full .repo-layout {
    min-height: 580px;
}

.repo-browser--tall .repo-layout {
    grid-template-columns: 280px 1fr;
}

.repo-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    background: #161b22;
    border-bottom: 1px solid var(--repo-border);
    flex-wrap: wrap;
}

.repo-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.repo-icon {
    color: var(--repo-muted);
}

.repo-name {
    font-weight: 600;
    color: var(--repo-text);
    white-space: nowrap;
}

.repo-branch {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--repo-border);
    border-radius: 6px;
    color: var(--repo-text);
    font-size: 0.78rem;
    background: #0d1117;
}

.repo-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.repo-action-btn {
    border: 1px solid var(--repo-border);
    background: #0d1117;
    color: var(--repo-text);
    border-radius: 6px;
    padding: 0.25rem 0.55rem;
    font: inherit;
    font-size: 0.72rem;
    cursor: pointer;
}

.repo-action-btn:hover {
    background: var(--repo-row-hover);
    color: var(--repo-accent);
}

.repo-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem;
    color: var(--repo-muted);
    font-size: 0.78rem;
    min-width: 0;
}

.repo-breadcrumb button {
    background: none;
    border: none;
    color: var(--repo-accent);
    cursor: pointer;
    padding: 0;
    font: inherit;
}

.repo-breadcrumb button:hover {
    text-decoration: underline;
}

.repo-breadcrumb span {
    color: var(--repo-text);
}

.repo-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 280px;
}

.repo-browser--compact .repo-layout {
    grid-template-columns: 180px 1fr;
}

.repo-tree {
    border-right: 1px solid var(--repo-border);
    overflow: auto;
    padding: 0.35rem 0;
    background: #0d1117;
}

.repo-tree-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex: 1;
    min-width: 0;
    padding: 0.35rem 0.65rem 0.35rem 0;
    border: none;
    background: none;
    color: var(--repo-text);
    text-align: left;
    cursor: pointer;
    font: inherit;
    font-size: 0.78rem;
}

.repo-tree-item-row {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    min-width: 0;
}

.repo-tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 4px;
    background: none;
    color: var(--repo-muted);
    cursor: pointer;
    flex-shrink: 0;
}

.repo-tree-toggle:hover,
.repo-main-toggle:hover {
    background: var(--repo-row-hover);
    color: var(--repo-accent);
    border-color: var(--repo-border);
}

.repo-tree-toggle i,
.repo-main-toggle i {
    font-size: 0.7rem;
    pointer-events: none;
}

.repo-main-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 4px;
    background: none;
    color: var(--repo-muted);
    cursor: pointer;
    flex-shrink: 0;
}

.repo-tree-children.is-collapsed,
.repo-main-children.is-collapsed {
    display: none;
}

.repo-tree-group {
    display: block;
}

.repo-tree-item:hover,
.repo-tree-item.active {
    background: var(--repo-row-hover);
}

.repo-tree-item.active {
    color: var(--repo-accent);
}

.repo-tree-item .indent {
    flex-shrink: 0;
    display: inline-block;
}

.repo-tree-item i {
    width: 14px;
    color: var(--repo-muted);
    font-size: 0.72rem;
}

.repo-tree-item.active i,
.repo-tree-item:hover i {
    color: var(--repo-accent);
}

.repo-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.repo-main-tree {
    overflow: auto;
    flex: 1;
}

.repo-main-row {
    display: grid;
    grid-template-columns: 1.5rem 1fr auto;
    gap: 0.5rem;
    align-items: center;
    width: 100%;
    padding: 0.45rem 0.85rem 0.45rem 0.5rem;
    border: none;
    border-bottom: 1px solid rgba(48, 54, 61, 0.45);
    background: none;
    color: var(--repo-text);
    text-align: left;
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
}

.repo-main-row--folder {
    cursor: default;
}

.repo-main-row--file:hover,
.repo-main-label:hover {
    color: var(--repo-accent);
}

.repo-main-row--file:hover {
    background: var(--repo-row-hover);
}

.repo-main-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    border: none;
    background: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-align: left;
    padding: 0;
}

.repo-main-label span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.repo-main-label i {
    width: 14px;
    color: var(--repo-muted);
    flex-shrink: 0;
}

.repo-main-meta {
    color: var(--repo-muted);
    font-size: 0.72rem;
    white-space: nowrap;
}

.repo-main-spacer {
    width: 1.5rem;
    flex-shrink: 0;
}

.repo-code-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    background: #161b22;
    border-bottom: 1px solid var(--repo-border);
}

.repo-file-list {
    overflow: auto;
    flex: 1;
}

.repo-file-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 0.55rem 0.85rem;
    border-bottom: 1px solid rgba(48, 54, 61, 0.6);
    cursor: pointer;
    transition: background 0.15s ease;
}

.repo-file-row:hover {
    background: var(--repo-row-hover);
}

.repo-file-row-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--repo-accent);
    min-width: 0;
}

.repo-file-row-name span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.repo-file-row-meta {
    color: var(--repo-muted);
    font-size: 0.72rem;
    white-space: nowrap;
}

.repo-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.85rem;
    background: #161b22;
    border-bottom: 1px solid var(--repo-border);
    color: var(--repo-text);
    font-size: 0.78rem;
}

.repo-code-header span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.repo-code {
    margin: 0;
    padding: 1rem;
    overflow: auto;
    flex: 1;
    background: #0d1117;
    color: var(--repo-text);
    font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 0.78rem;
    line-height: 1.55;
    tab-size: 4;
}

.repo-code code {
    white-space: pre;
}

.repo-markdown {
    flex: 1;
    overflow: auto;
    padding: 1.5rem 1.75rem 2rem;
    background: #0d1117;
    color: var(--repo-text);
    font-size: 0.9rem;
    line-height: 1.65;
}

.repo-markdown > :first-child {
    margin-top: 0;
}

.repo-markdown > :last-child {
    margin-bottom: 0;
}

.repo-markdown h1,
.repo-markdown h2,
.repo-markdown h3,
.repo-markdown h4 {
    color: #f0f6fc;
    line-height: 1.3;
    margin: 1.75rem 0 0.85rem;
    font-weight: 600;
}

.repo-markdown h1 {
    font-size: 1.65rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--repo-border);
}

.repo-markdown h2 {
    font-size: 1.25rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid rgba(48, 54, 61, 0.65);
}

.repo-markdown h3 {
    font-size: 1.05rem;
}

.repo-markdown p,
.repo-markdown ul,
.repo-markdown ol,
.repo-markdown blockquote,
.repo-markdown table,
.repo-markdown pre {
    margin: 0 0 1rem;
}

.repo-markdown ul,
.repo-markdown ol {
    padding-left: 1.5rem;
}

.repo-markdown li + li {
    margin-top: 0.35rem;
}

.repo-markdown a {
    color: var(--repo-accent);
    text-decoration: none;
}

.repo-markdown a:hover {
    text-decoration: underline;
}

.repo-markdown strong {
    color: #f0f6fc;
    font-weight: 600;
}

.repo-markdown hr {
    border: none;
    border-top: 1px solid var(--repo-border);
    margin: 1.5rem 0;
}

.repo-markdown blockquote {
    padding: 0.35rem 1rem;
    border-left: 3px solid var(--repo-accent);
    color: var(--repo-muted);
    background: rgba(52, 211, 153, 0.05);
}

.repo-markdown table {
    width: 100%;
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
}

.repo-markdown th,
.repo-markdown td {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--repo-border);
    text-align: left;
}

.repo-markdown th {
    background: #161b22;
    color: #f0f6fc;
    font-weight: 600;
}

.repo-markdown tr:nth-child(even) td {
    background: rgba(22, 27, 34, 0.55);
}

.repo-markdown code {
    font-family: ui-monospace, 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
    font-size: 0.82em;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    background: rgba(110, 118, 129, 0.18);
    color: #f0f6fc;
}

.repo-md-code {
    margin: 1rem 0;
    padding: 0.85rem 1rem;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid var(--repo-border);
    background: #161b22;
}

.repo-md-code code {
    padding: 0;
    background: none;
    font-size: 0.78rem;
    line-height: 1.55;
    white-space: pre;
}

.repo-markdown pre.mermaid,
.repo-markdown .mermaid {
    margin: 1.25rem 0;
    padding: 1.25rem;
    overflow: auto;
    border-radius: 10px;
    border: 1px solid var(--repo-border);
    background: #161b22;
    text-align: center;
}

.repo-markdown pre.mermaid svg,
.repo-markdown .mermaid svg {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.repo-empty,
.repo-loading,
.repo-error {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--repo-muted);
    text-align: center;
    flex: 1;
}

.repo-error {
    color: #f85149;
}

.work-repo-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1rem;
    margin-bottom: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--light-text-color);
}

.project-repo-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.project-repo-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem;
    color: var(--text-color);
}

.game-repo {
    margin-top: 0;
}

.game-repo h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color, var(--accent));
}

.game-repo-note {
    color: var(--light-text-color, #a1a1aa);
    font-size: 0.9rem;
    margin: 0 0 1rem;
}

.game-download {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border, #30363d);
    border-radius: 10px;
    background: rgba(52, 211, 153, 0.05);
}

.game-download h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.5rem;
    color: var(--secondary-color, var(--accent));
    font-size: 1.1rem;
}

.game-download p {
    margin: 0 0 1rem;
    color: var(--light-text-color, #a1a1aa);
    font-size: 0.9rem;
}

.game-download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.game-download-note {
    font-size: 0.8rem;
    color: var(--light-text-color, #a1a1aa);
}

@media (max-width: 768px) {
    .repo-layout {
        grid-template-columns: 1fr;
    }

    .repo-tree {
        border-right: none;
        border-bottom: 1px solid var(--repo-border);
        max-height: 220px;
    }
}