/**
 * RAG vs Fine-Tuning Decision Tree
 */

.rag-tree {
    font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    max-width: 580px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--surface-primary, #ffffff);
    border-radius: 16px;
    border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
}

.rag-progress {
    height: 4px;
    background: var(--surface-secondary, #f0f0f0);
    border-radius: 2px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.rag-progress-bar {
    height: 100%;
    background: var(--accent, #2563eb);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.rag-step {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary, #888);
    margin-bottom: 0.5rem;
}

.rag-question {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary, #1d1d1f);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.rag-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.rag-option {
    display: block;
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border, #e0e0e0);
    border-radius: 12px;
    background: var(--surface-primary, #fff);
    font-size: 1rem;
    color: var(--text-primary, #1d1d1f);
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    font-family: inherit;
}

.rag-option:hover {
    border-color: var(--accent, #2563eb);
    background: rgba(37, 99, 235, 0.04);
}

.rag-back {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    background: none;
    color: var(--text-tertiary, #888);
    font-size: 0.875rem;
    cursor: pointer;
    font-family: inherit;
}

.rag-back:hover {
    color: var(--text-primary, #1d1d1f);
}

.rag-result {
    border: 2px solid;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.rag-result-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.rag-result-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary, #1d1d1f);
    margin-bottom: 0.75rem;
}

.rag-result-desc {
    font-size: 0.95rem;
    color: var(--text-secondary, #555);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.rag-result-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.rag-result-col h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary, #888);
    margin-bottom: 0.5rem;
}

.rag-result-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rag-result-col li {
    font-size: 0.875rem;
    color: var(--text-secondary, #555);
    padding: 0.25rem 0;
    padding-left: 1rem;
    position: relative;
}

.rag-result-col li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--text-tertiary, #888);
}

.rag-result-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.rag-restart {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 8px;
    background: var(--surface-primary, #fff);
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-primary, #1d1d1f);
    font-family: inherit;
    transition: all 0.15s ease;
}

.rag-restart:hover {
    background: var(--surface-secondary, #f5f5f7);
}

@media (max-width: 600px) {
    .rag-tree {
        padding: 1.25rem;
        margin: 1rem auto;
    }
    .rag-result-cols {
        grid-template-columns: 1fr;
    }
}