* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    background: #f1f5f9;
    color: #1e293b;
    font-size: 14px;
    line-height: 1.5;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0f172a;
    font-weight: 600;
}

.connection-panel {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.connection-panel input {
    flex: 1;
    min-width: 300px;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
    background: white;
    transition: all 0.15s;
}

.connection-panel input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

button {
    padding: 10px 20px;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

button:hover {
    background: #2563eb;
}

button:active {
    transform: translateY(1px);
}

button:disabled {
    background: #94a3b8;
    cursor: not-allowed;
    transform: none;
}

button.secondary {
    background: white;
    color: #475569;
    border: 1px solid #cbd5e1;
}

button.secondary:hover {
    background: #f8fafc;
}

.status {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    display: none;
    border: 1px solid transparent;
}

.status.success {
    background: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
}

.status.error {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

.main-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.sidebar {
    width: 300px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.sidebar h2 {
    font-size: 16px;
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.repo-info {
    padding: 20px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.repo-info h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #64748b;
}

.repo-info .label {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.repo-info .value {
    font-size: 13px;
    color: #1e293b;
    margin-bottom: 12px;
    font-family: monospace;
}

.clone-url {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    margin-bottom: 12px;
}

.clone-url code {
    flex: 1;
    font-size: 12px;
    color: #475569;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copy-btn {
    padding: 4px 8px;
    font-size: 11px;
    min-width: 50px;
}

.copy-btn:hover {
    background: #2563eb;
}

.branches-section {
    border-top: 1px solid #e2e8f0;
}

.branch-list {
    max-height: 300px;
    overflow-y: auto;
}

.branch-item {
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13px;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 8px;
}

.branch-item:hover {
    background: #f8fafc;
}

.branch-item.active {
    background: #eff6ff;
    color: #1e40af;
    font-weight: 500;
}

.viewer {
    flex: 1;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.breadcrumb {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 13px;
    color: #64748b;
    background: #f8fafc;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.15s;
    cursor: pointer;
}

.breadcrumb a:hover {
    color: #2563eb;
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 8px;
}

.breadcrumb .current {
    color: #1e293b;
    font-weight: 500;
}

.file-list {
    padding: 0;
    list-style: none;
    margin: 0;
}

.file-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer !important;
}

.file-item:last-child {
    border-bottom: none;
}

.file-item:hover {
    background: #f8fafc;
}

.file-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: #64748b;
    cursor: pointer;
}

.file-name {
    flex: 1;
    color: #1e293b;
    font-size: 14px;
    cursor: pointer;
}

.file-size {
    color: #64748b;
    font-size: 12px;
    cursor: pointer;
}

.file-content {
    padding: 0;
    overflow-x: auto;
    background: #0d1117;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 13px;
}

.file-content pre {
    margin: 0;
    white-space: pre;
    background: transparent;
    padding: 20px;
}

.file-content code {
    background: transparent;
}

.file-content code.hljs {
    padding: 0;
    background: transparent;
}

.line-numbers {
    display: flex;
    gap: 0;
    background: #0d1117;
}

.line-numbers .numbers {
    color: #6e7681;
    text-align: right;
    user-select: none;
    min-width: 50px;
    padding: 20px 16px 20px 20px;
    border-right: 1px solid #30363d;
    background: #0d1117;
    line-height: 1.5;
}

.line-numbers pre:not(.numbers) {
    flex: 1;
    padding-left: 20px;
}

.loading {
    padding: 40px;
    text-align: center;
    color: #64748b;
}

.spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border: 3px solid #e2e8f0;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.empty-state {
    padding: 60px 40px;
    text-align: center;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: #cbd5e1;
    display: block;
}

.empty-state h3 {
    font-size: 18px;
    color: #475569;
    margin-bottom: 8px;
}

.empty-state p {
    color: #64748b;
    font-size: 14px;
}

.error-message {
    padding: 40px;
    text-align: center;
    color: #991b1b;
    background: #fee2e2;
    margin: 20px;
    border-radius: 8px;
    border: 1px solid #fecaca;
}

.file-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-header h3 {
    font-size: 15px;
    color: #1e293b;
    font-weight: 600;
}

.file-actions {
    display: flex;
    gap: 8px;
}

.file-actions button {
    padding: 6px 12px;
    font-size: 12px;
}

.user-item {
    margin-bottom: 24px;
}

.user-header {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 12px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 6px;
}

.repo-item {
    padding: 12px;
    margin-bottom: 8px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.repo-item:hover {
    border-color: #3b82f6;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);
}

.repo-item strong {
    display: block;
    font-size: 14px;
    color: #1e293b;
    margin-bottom: 4px;
}

.repo-item small {
    font-size: 12px;
    color: #64748b;
    font-family: monospace;
}

.markdown-content {
    padding: 20px 40px;
    background: white;
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        Cantarell, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #1e293b;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: #0f172a;
}

.markdown-content h1 {
    font-size: 2em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #e2e8f0;
}

.markdown-content h2 {
    font-size: 1.5em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #e2e8f0;
}

.markdown-content h3 {
    font-size: 1.25em;
}

.markdown-content h4 {
    font-size: 1em;
}

.markdown-content h5 {
    font-size: 0.875em;
}

.markdown-content h6 {
    font-size: 0.85em;
    color: #64748b;
}

.markdown-content p {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-content ul,
.markdown-content ol {
    margin-top: 0;
    margin-bottom: 16px;
    padding-left: 2em;
}

.markdown-content li + li {
    margin-top: 0.25em;
}

.markdown-content code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background: #f1f5f9;
    border-radius: 6px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    color: #e11d48;
}

.markdown-content pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background: #0d1117;
    border-radius: 6px;
    margin-bottom: 16px;
}

.markdown-content pre code {
    display: block;
    padding: 0;
    margin: 0;
    overflow: visible;
    line-height: inherit;
    word-wrap: normal;
    background: transparent;
    border: 0;
    color: #c9d1d9;
}

.markdown-content pre code.hljs {
    background: transparent;
}

.markdown-content blockquote {
    padding: 0 1em;
    color: #64748b;
    border-left: 0.25em solid #cbd5e1;
    margin: 0 0 16px 0;
}

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

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

.markdown-content table {
    border-spacing: 0;
    border-collapse: collapse;
    margin-bottom: 16px;
    width: 100%;
    overflow: auto;
}

.markdown-content table th,
.markdown-content table td {
    padding: 6px 13px;
    border: 1px solid #e2e8f0;
}

.markdown-content table th {
    font-weight: 600;
    background: #f8fafc;
}

.markdown-content table tr {
    background: white;
    border-top: 1px solid #e2e8f0;
}

.markdown-content table tr:nth-child(2n) {
    background: #f8fafc;
}

.markdown-content img {
    max-width: 100%;
    box-sizing: border-box;
    border-radius: 6px;
}

.markdown-content a {
    color: #3b82f6;
    text-decoration: none;
}

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

.markdown-content hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: #e2e8f0;
    border: 0;
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .connection-panel {
        flex-direction: column;
    }

    .connection-panel input {
        min-width: 100%;
    }

    .markdown-content {
        padding: 20px;
    }
}