:root {
    --primary-color: #E6007A;
    --secondary-color: #670D35;
    --background-color: #1a1a1a;
    --surface-color: #252525;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #f44336;
    --info-color: #2196F3;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Navigation */
.navbar {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.nav-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.2s;
}

.github-link:hover {
    background-color: var(--border-color);
    border-color: var(--primary-color);
}

/* Main Layout */
.container:not(.navbar .container) {
    display: flex;
    gap: 2rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
    flex: 1;
}

/* Sidebar */
.sidebar {
    width: 320px;
    flex-shrink: 0;
}

.sidebar-tools {
    margin-bottom: 1rem;
}

.release-filter {
    margin-bottom: 0.75rem;
}

.sdk-search-section {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.sdk-search-header {
    margin-bottom: 0.75rem;
}

.sdk-search-header h3 {
    color: var(--info-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sdk-search-header p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.sdk-search-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--info-color), #1976D2);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
}

.sdk-search-btn:hover {
    background: linear-gradient(135deg, #1976D2, #1565C0);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
}

.sdk-search-btn svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.sdk-search-btn span {
    font-weight: 600;
}

.keyboard-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.8;
    font-weight: normal;
    margin-left: 0.5rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.release-list {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.release-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.release-item:hover {
    background-color: rgba(230, 0, 122, 0.1);
}

.release-item.active {
    background-color: rgba(230, 0, 122, 0.2);
    border-left: 3px solid var(--primary-color);
}

.release-item h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.release-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 1rem;
}

/* Content Area */
.content {
    flex: 1;
    min-width: 0;
}

#releaseContent {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    min-height: 500px;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: 2rem;
}

.welcome-message h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.select-prompt {
    margin-top: 2rem;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Release Content */
.release-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.release-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.release-title h2 {
    color: var(--primary-color);
}

.release-stats {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: bold;
}

/* Analysis Sections */
.analysis-section {
    margin-bottom: 2rem;
}

.analysis-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.analysis-content {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* PR List */
.pr-list {
    margin-top: 2rem;
}

.pr-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.pr-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.pr-title {
    color: var(--info-color);
    text-decoration: none;
    font-weight: 500;
}

.pr-title:hover {
    text-decoration: underline;
}

.pr-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pr-stats {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.pr-stat {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background-color: var(--surface-color);
}

.additions {
    color: var(--success-color);
}

.deletions {
    color: var(--error-color);
}

/* SDK PR List */
.sdk-pr-list {
    margin-top: 2rem;
}

.sdk-pr-list h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.sdk-pr-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sdk-pr-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
}

.sdk-pr-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
}

.sdk-pr-title {
    color: var(--info-color);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
}

.sdk-pr-title:hover {
    text-decoration: underline;
}

.sdk-pr-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    margin-top: 0.25rem;
}

.sdk-pr-info {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
}

.sdk-pr-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: left;
}

/* SDK statistics display */
.sdk-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--surface-color);
    border-radius: 8px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text-color);
}

.stat-value.positive {
    color: #22c55e;
}

.stat-value.negative {
    color: #ef4444;
}

.sdk-pr-sample {
    margin-top: 2rem;
}

.sdk-pr-sample h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: normal;
}

.sdk-methodology-note {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background-color: rgba(33, 150, 243, 0.1);
    border-left: 3px solid var(--info-color);
    border-radius: 4px;
}

.sdk-methodology-note p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.sdk-pr-labels {
    margin-top: 0.5rem;
}

/* Labels */
.label {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    background-color: var(--secondary-color);
}

/* Loading States */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Footer */
footer {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-top: auto;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container:not(.navbar .container) {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .release-list {
        max-height: 300px;
    }
}

@media (max-width: 640px) {
    .nav-header h1 {
        font-size: 1.25rem;
    }
    
    .nav-links {
        gap: 0.5rem;
    }
    
    .github-link span {
        display: none;
    }
    
    .pr-search-btn {
        padding: 0.5rem;
        font-size: 0;
    }
    
    .pr-search-btn svg {
        margin: 0;
    }
    
    .keyboard-hint {
        display: none;
    }
    
    .release-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .pr-search-form {
        flex-direction: column;
    }
    
    .search-button {
        width: 100%;
    }
}

/* Markdown Content Styling */
.markdown-content h1, .markdown-content h2, .markdown-content h3, 
.markdown-content h4, .markdown-content h5, .markdown-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.markdown-content p {
    margin-bottom: 1rem;
}

.markdown-content ul, .markdown-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
}

.markdown-content code {
    background-color: var(--background-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.875em;
}

.markdown-content pre {
    background-color: var(--background-color);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.markdown-content pre code {
    background-color: transparent;
    padding: 0;
}

.markdown-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-secondary);
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.markdown-content th, .markdown-content td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
}

.markdown-content th {
    background-color: var(--background-color);
    font-weight: bold;
}

.markdown-content strong {
    color: var(--primary-color);
}

/* Fix for nested lists in analysis */
.analysis-content ul {
    margin-top: 0.5rem;
}

.analysis-content ul ul {
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
}

.analysis-content p + ul {
    margin-top: -0.5rem;
}

.analysis-content li {
    line-height: 1.8;
}

/* Better formatting for subsections */
.analysis-content h4 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.analysis-content p:has(strong:only-child) {
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}

/* Fallback for browsers without :has() support */
.analysis-content p strong:first-child:last-child {
    display: inline-block;
    margin-top: 0.5rem;
}

/* PR Search Button */
.pr-search-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.pr-search-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.2s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: slideIn 0.3s;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header {
    background: linear-gradient(135deg, var(--info-color), #1976D2);
    color: white;
    margin: -1px;
    border-radius: 12px 12px 0 0;
}

.modal-header h2 {
    color: white;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-header h2::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2"><circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/></svg>') center/contain no-repeat;
}

.close-modal {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.close-modal:hover {
    background-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.search-instructions {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.search-instructions p {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.search-tips {
    margin-top: 0.5rem !important;
    font-size: 0.875rem !important;
    color: var(--text-secondary);
}

.pr-search-form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.pr-search-input {
    flex: 1;
    padding: 0.75rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 1rem;
}

.pr-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-button {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.search-button:hover {
    background-color: var(--secondary-color);
}

.search-button:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

/* PR Search Results */
.pr-search-results {
    min-height: 100px;
}

.pr-search-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.pr-search-error {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--error-color);
    border-radius: 6px;
    padding: 1rem;
    color: var(--error-color);
}

.pr-search-not-found {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.sdk-pr-info {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.sdk-pr-header {
    margin-bottom: 1rem;
}

.sdk-pr-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.sdk-pr-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sdk-pr-link {
    color: var(--info-color);
    text-decoration: none;
}

.sdk-pr-link:hover {
    text-decoration: underline;
}

/* Backport information */
.backport-info {
    background-color: var(--surface-color);
    border-left: 3px solid var(--warning-color);
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.backport-label {
    font-weight: 600;
    color: var(--warning-color);
    margin-right: 0.5rem;
}

.backport-link {
    color: var(--primary-color);
    text-decoration: none;
    margin-right: 1rem;
}

.backport-link:hover {
    text-decoration: underline;
}

.backport-list {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Inline backport info for SDK PR lists */
.backport-info-inline {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 2px solid var(--warning-color);
    padding: 0.5rem 0.75rem;
    margin-top: 0.5rem;
    border-radius: 0 4px 4px 0;
    font-size: 0.875rem;
}

.backport-label-inline {
    font-weight: 600;
    color: var(--warning-color);
    margin-right: 0.5rem;
}

.backport-link-inline {
    color: var(--info-color);
    text-decoration: none;
}

.backport-link-inline:hover {
    text-decoration: underline;
}

.sdk-pr-labels {
    margin-top: 0.5rem;
}

.pr-label {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    margin-right: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
}

.runtime-releases {
    margin-top: 1.5rem;
}

.runtime-releases h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.runtime-release-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.runtime-release-item:hover {
    background-color: rgba(230, 0, 122, 0.1);
    border-color: var(--primary-color);
}

.runtime-release-version {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.runtime-release-context {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.sdk-version-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

/* PR type badges */
.sdk-version-badge.backport-badge {
    background-color: var(--warning-color);
}

.sdk-version-badge.master-badge {
    background-color: var(--info-color);
}

.sdk-version-badge.direct-badge {
    background-color: var(--success-color);
}

.version-bump-badge {
    background-color: var(--info-color) !important;
}

.changelog-badge {
    background-color: var(--success-color) !important;
}

.sdk-version-info {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background-color: rgba(33, 150, 243, 0.1);
    border-left: 3px solid var(--info-color);
    border-radius: 0 4px 4px 0;
    font-size: 0.875rem;
    color: var(--text-color);
}

/* Search Results List */
.search-results-header {
    margin-bottom: 1rem;
}

.search-results-header h3 {
    color: var(--primary-color);
}

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.search-result-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    transition: all 0.2s;
}

.search-result-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.search-result-header {
    margin-bottom: 0.5rem;
}

.search-result-title {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.search-result-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.search-result-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.release-count {
    font-size: 0.875rem;
    color: var(--info-color);
}

.view-details-btn {
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.view-details-btn:hover {
    background-color: var(--secondary-color);
}

.search-results-footer {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--background-color);
    border-radius: 6px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}