/* Knowledge Base Styles */

/* Breadcrumbs */
.breadcrumbs-section {
    padding: 1rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-colors);
}

.breadcrumb-item:hover {
    color: var(--primary-light);
}

.breadcrumb-item--active {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-secondary);
    user-select: none;
}

/* Hero Section for KB */
.hero-section--kb {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    padding: 3rem 0 2rem;
}

[data-theme="dark"] .hero-section--kb {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08) 0%, rgba(5, 150, 105, 0.08) 100%);
}

.kb-hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.kb-hero__icon {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon-large {
    width: 4rem;
    height: 4rem;
    color: var(--primary-light);
    stroke-width: 1.5;
}

.kb-hero__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.kb-hero__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Category Navigation */
.kb-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    max-width: 1000px;
    margin: 0 auto;
}

.kb-nav__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-align: left;
}

.kb-nav__item:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.kb-nav__item .icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

/* Alphabet Navigation */
.alphabet-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.alphabet-nav__item {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.alphabet-nav__item:hover {
    background: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

/* FAQ Category */
.faq-category {
    margin-bottom: 3rem;
    scroll-margin-top: 100px;
}

.faq-category__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.faq-category__icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.faq-category__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* FAQ List - KB specific overrides */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    gap: 1rem;
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    color: var(--primary-light);
}

.faq-answer {
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer-content {
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-answer-content p {
    margin-bottom: 0.75rem;
}

.faq-answer-content p:last-child {
    margin-bottom: 0;
}

/* Glossary Category */
.glossary-category {
    margin-bottom: 3rem;
    scroll-margin-top: 100px;
}

.glossary-category__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.glossary-category__icon {
    width: 2rem;
    height: 2rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.glossary-category__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Glossary Grid */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.glossary-term {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.glossary-term:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .glossary-term:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.glossary-term__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.glossary-term__definition {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
    margin: 0;
}

/* CTA Block */
.cta-block {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-block h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.cta-block p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn--secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn--secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

/* KB Tip */
.kb-tip {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

[data-theme="dark"] .kb-tip {
    background: rgba(29, 78, 216, 0.1);
    border-color: rgba(29, 78, 216, 0.3);
}

.kb-tip .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.kb-tip p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.kb-tip strong {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .kb-hero__title {
        font-size: 1.875rem;
    }

    .kb-hero__subtitle {
        font-size: 1rem;
    }

    .icon-large {
        width: 3rem;
        height: 3rem;
    }

    .kb-nav {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.5rem;
    }

    .kb-nav__item {
        padding: 0.75rem;
        font-size: 0.85rem;
        flex-direction: column;
        text-align: center;
    }

    .alphabet-nav {
        gap: 0.375rem;
    }

    .alphabet-nav__item {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }

    .faq-category__header,
    .glossary-category__header {
        gap: 0.75rem;
    }

    .faq-category__icon,
    .glossary-category__icon {
        width: 1.5rem;
        height: 1.5rem;
    }

    .faq-category__title,
    .glossary-category__title {
        font-size: 1.5rem;
    }

    .faq-question {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 1rem 1rem;
    }

    .glossary-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .glossary-term {
        padding: 1.25rem;
    }

    .cta-block h2 {
        font-size: 1.5rem;
    }

    .cta-block p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .kb-tip {
        padding: 1rem;
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .breadcrumbs {
        font-size: 0.8rem;
    }

    .hero-section--kb {
        padding: 2rem 0 1.5rem;
    }

    .kb-hero__title {
        font-size: 1.5rem;
    }

    .kb-hero__subtitle {
        font-size: 0.9rem;
    }
}