.docs-layout {
    display: flex;
    gap: 0.75rem;
    flex: 1;
    min-height: 0;
}

.sidebar {
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    width: 200px;
    flex-shrink: 0;
    overflow-y: auto;
}

.sidebar h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.docs-nav-link {
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    border-radius: 3px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.docs-nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.docs-nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent-physics);
    border-left-color: var(--accent-physics);
}

.docs-content {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    overflow-y: auto;
}

.doc-section {
    margin-bottom: 3rem;
    scroll-margin-top: 1rem;
}

.doc-section:last-child {
    margin-bottom: 0;
}

.doc-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.doc-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.doc-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: var(--accent-physics);
}

.doc-section p {
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.doc-section ul, .doc-section ol {
    margin-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.doc-section li {
    margin-bottom: 0.5rem;
}

.doc-section code {
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.8125rem;
    color: var(--accent-physics);
}

.info-box {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--accent-physics);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.info-box h4 {
    margin-top: 0;
    color: var(--accent-physics);
    font-size: 0.875rem;
}

.info-box p {
    margin-bottom: 0.5rem;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.architecture-diagram {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin: 1rem 0;
    overflow-x: auto;
}

.layer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border-radius: 4px;
    border: 2px solid;
    min-width: 120px;
    flex-shrink: 0;
}

.layer-box.input {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-physics);
}

.layer-box.hidden {
    background: rgba(168, 85, 247, 0.1);
    border-color: #a855f7;
}

.layer-box.output {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-neural);
}

.layer-title {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.layer-desc {
    font-size: 0.625rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.layer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.625rem;
    text-align: center;
}

.layer-list li {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

.layer-explain {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    margin: 0;
}

.arrow {
    font-size: 1.5rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.process-steps {
    margin: 1rem 0;
}

.step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.step-number {
    width: 32px;
    height: 32px;
    background: var(--accent-physics);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    font-size: 0.875rem;
}

.step-content h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.step-content p {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
}

.step-content code {
    display: block;
    margin-top: 0.5rem;
}

.simple-box {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.simple-box h3 {
    margin-top: 0;
    color: var(--accent-neural);
    font-size: 1rem;
}

.simple-box h4 {
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}

.simple-list {
    background: var(--bg-primary);
    padding: 1rem 1rem 1rem 2.5rem;
    border-radius: 4px;
    margin: 0.75rem 0;
}

.simple-list li {
    margin-bottom: 0.75rem;
}

.model-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.model-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.model-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.model-date {
    font-size: 0.625rem;
    color: var(--text-secondary);
}

.model-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.metric-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.model-actions {
    display: flex;
    gap: 0.5rem;
}

.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.export-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.export-card h3 {
    margin-top: 0;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.export-card p {
    flex: 1;
    margin-bottom: 1rem;
    font-size: 0.8125rem;
}

.export-card .btn {
    margin-top: auto;
}

.no-models {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.no-models a {
    color: var(--accent-physics);
    text-decoration: none;
}

.no-models a:hover {
    text-decoration: underline;
}

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

    .sidebar {
        width: 100%;
        max-height: 200px;
    }

    .architecture-diagram {
        flex-wrap: wrap;
        justify-content: center;
    }

    .model-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .export-options {
        grid-template-columns: 1fr;
    }
}

.sidebar::-webkit-scrollbar,
.docs-content::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track,
.docs-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.sidebar::-webkit-scrollbar-thumb,
.docs-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}