/* Timeline Generator Section Styles */

.timeline-generator-section {
    background: var(--background-subtle);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-md);
    padding: 2rem 2.5rem;
    margin: 2.5rem auto 2rem auto;
    max-width: 700px;
    width: 100%;
    transition: var(--transition);
}

.timeline-generator-section .section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    text-align: center;
}

.timeline-article-select {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    background: var(--background-white);
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.timeline-article-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
    outline: none;
}

.timeline-custom-inputs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.timeline-custom-inputs input[type="text"],
.timeline-custom-inputs textarea {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 1rem;
    font-family: inherit;
    background: var(--background-white);
    color: var(--text-primary);
    transition: var(--transition);
    resize: vertical;
}

.timeline-custom-inputs input[type="text"]:focus,
.timeline-custom-inputs textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
    outline: none;
}

.timeline-generate-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    box-shadow: 0 8px 15px -3px rgba(79, 70, 229, 0.2);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.timeline-generate-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -3px rgba(79, 70, 229, 0.3);
}

.timeline-generate-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.timeline-output-area {
    background: var(--background-white);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    min-height: 120px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', monospace, sans-serif;
    box-shadow: var(--shadow-sm);
    margin-top: 1rem;
    transition: var(--transition);
    position: relative;
    overflow-x: auto;
    word-break: break-word;
}

.timeline-output-area.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-style: italic;
    background: var(--background-subtle);
}

.timeline-output-area pre,
.timeline-output-area .timeline-markdown {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-family: 'Fira Mono', 'Consolas', 'Menlo', monospace;
    font-size: 1rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

.timeline-output-area .timeline-markdown h1,
.timeline-output-area .timeline-markdown h2,
.timeline-output-area .timeline-markdown h3 {
    color: var(--primary-color);
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.timeline-output-area .timeline-markdown ul,
.timeline-output-area .timeline-markdown ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.timeline-output-area .timeline-markdown li {
    margin-bottom: 0.5rem;
}

.timeline-output-area .timeline-markdown strong {
    color: var(--primary-dark);
}

.timeline-output-area .timeline-markdown em {
    color: var(--text-secondary);
}

.timeline-output-area .timeline-error {
    color: #dc2626;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    font-size: 0.95rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .timeline-generator-section {
        padding: 1.25rem 0.75rem;
        max-width: 100%;
    }
    .timeline-output-area {
        padding: 1rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .timeline-generator-section {
        padding: 0.75rem 0.25rem;
    }
    .timeline-output-area {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}