/* Knowledge Base Article Styles */

.kb-article-page {
    padding: var(--space-9) var(--space-5) var(--space-16);
    background:
        radial-gradient(circle at 15% 4%, rgba(0, 86, 161, 0.06), transparent 32%),
        linear-gradient(180deg, #f4f8fd 0%, var(--brand-off-white) 22%, var(--brand-off-white) 100%);
    min-height: 80vh;
}

.kb-article-container {
    max-width: 1180px;
    margin: 0 auto;
}

.kb-breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.kb-breadcrumbs a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--duration-200) var(--ease-out);
}

.kb-breadcrumbs a:hover {
    color: var(--brand-orange);
}

.kb-breadcrumb-sep {
    color: var(--brand-orange);
}

.kb-article-hero {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-7);
    margin-bottom: var(--space-6);
    box-shadow: 0 16px 35px rgba(18, 30, 52, 0.08);
}

.kb-article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2-5);
    font-size: var(--text-sm);
    color: var(--kb-text-muted);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
}

.kb-article-meta-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--kb-text-soft);
}

.kb-article-title {
    font-size: clamp(1.8rem, 3.2vw, 2.7rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--brand-dark-blue);
    margin: 0 0 var(--space-4);
    line-height: 1.16;
    letter-spacing: -0.02em;
}

.kb-article-lead {
    margin: 0 0 var(--space-5);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: #44556f;
}

.kb-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.kb-article-shell {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--radius-2xl);
    box-shadow: 0 14px 34px rgba(18, 30, 52, 0.07);
    overflow: hidden;
}

.kb-tabs {
    display: flex;
    gap: var(--space-2-5);
    padding: var(--space-4) var(--space-5) var(--space-3);
    border-bottom: 1px solid #dce5f3;
    background: linear-gradient(180deg, #f7faff 0%, #f3f8ff 100%);
    overflow-x: auto;
    scrollbar-width: thin;
}

.kb-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2-5) var(--space-4);
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    color: #5c6f87;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-out);
    white-space: nowrap;
    font-family: var(--font-primary);
}

.kb-tab:hover {
    color: var(--brand-dark-blue);
    background: rgba(0, 86, 161, 0.06);
}

.kb-tab.active {
    color: var(--brand-dark-blue);
    background: white;
    border-color: #cdddf1;
    box-shadow: 0 5px 14px rgba(0, 86, 161, 0.08);
}

.kb-tab:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 1px;
}

.kb-tab svg {
    opacity: 0.6;
    flex-shrink: 0;
}

.kb-tab.active svg {
    opacity: 1;
}

.kb-tab-badge {
    display: inline-block;
    padding: 1px var(--space-2-5);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: capitalize;
    line-height: 1.4;
}

.kb-tab-panel {
    display: none;
    padding: var(--space-5);
}

.kb-tab-panel.active {
    display: block;
    animation: kb-fade-in 0.2s ease;
}

@keyframes kb-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.kb-section-business,
.kb-section-technical {
    border-radius: var(--radius-xl);
    padding: var(--space-7);
    border: 1px solid var(--kb-border-strong);
    box-shadow: 0 8px 24px rgba(16, 24, 39, 0.05);
    max-width: none;
    margin: 0;
}

.kb-section-business {
    background: linear-gradient(180deg, #ffffff 0%, #fff9f4 100%);
    border-left: 4px solid #f08a2b;
}

.kb-section-technical {
    background: linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
    border-left: 4px solid var(--brand-blue);
}

.kb-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-7);
    flex-wrap: wrap;
}

.kb-section-title {
    font-size: clamp(1.45rem, 2.8vw, 1.95rem);
    font-weight: var(--font-weight-bold);
    color: var(--brand-dark-blue);
    line-height: var(--leading-tight);
    margin: 0;
    max-width: 26ch;
}

.kb-urgency-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: capitalize;
    white-space: nowrap;
    flex-shrink: 0;
}

.kb-subsection-title {
    font-size: 0.8rem;
    font-weight: var(--font-weight-semibold);
    color: #4f627c;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-3);
}

.kb-impact-block,
.kb-actions-block,
.kb-detail-block {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid rgba(55, 65, 81, 0.1);
}

.kb-impact-block:last-child,
.kb-actions-block:last-child,
.kb-detail-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.kb-impact-block p,
.kb-detail-block p {
    font-size: var(--text-base);
    color: var(--kb-text);
    line-height: 1.78;
    margin: 0;
    max-width: 86ch;
}

.kb-action-list,
.kb-remediation-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: kb-step;
}

.kb-action-list li,
.kb-remediation-list li {
    counter-increment: kb-step;
    display: flex;
    gap: var(--space-4);
    font-size: var(--text-base);
    color: var(--kb-text);
    line-height: 1.72;
    padding: var(--space-3-5) 0;
    border-bottom: 1px solid rgba(55, 65, 81, 0.08);
    max-width: 92ch;
}

.kb-action-list li:last-child,
.kb-remediation-list li:last-child {
    border-bottom: none;
}

.kb-action-list li::before,
.kb-remediation-list li::before {
    content: counter(kb-step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    margin-top: 1px;
}

.kb-section-business .kb-action-list li::before {
    background: var(--brand-orange);
    color: white;
}

.kb-section-technical .kb-remediation-list li::before {
    background: var(--brand-blue);
    color: white;
}

.kb-best-practices-list,
.kb-references-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-best-practices-list li {
    position: relative;
    padding: var(--space-2) 0 var(--space-2) var(--space-6);
    font-size: var(--text-base);
    color: var(--kb-text);
    line-height: 1.72;
    border-bottom: 1px solid rgba(55, 65, 81, 0.08);
    max-width: 92ch;
}

.kb-best-practices-list li:last-child {
    border-bottom: none;
}

.kb-best-practices-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-blue);
    flex-shrink: 0;
}

.kb-component-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.kb-component-list li {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.kb-component-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-blue);
    flex-shrink: 0;
}

.kb-component-list code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    background: rgba(0, 86, 161, 0.07);
    color: var(--brand-dark-blue);
    padding: var(--space-1) var(--space-2-5);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 86, 161, 0.12);
}

.kb-references-list li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--gray-50);
    font-size: var(--text-sm);
}

.kb-references-list li:last-child {
    border-bottom: none;
}

.kb-references-list a {
    color: var(--brand-blue);
    text-decoration: none;
    word-break: break-all;
    transition: color 0.2s ease;
}

.kb-references-list a:hover {
    color: var(--brand-orange);
    text-decoration: underline;
}

.kb-code-language {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-normal);
    color: var(--gray-500);
    font-family: var(--font-mono);
}

.kb-code-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.kb-code-block {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.kb-code-label {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kb-code-label-vulnerable {
    background: rgba(220, 38, 38, 0.08);
    color: #dc2626;
    border-bottom: 1px solid rgba(220, 38, 38, 0.15);
}

.kb-code-label-fixed {
    background: rgba(22, 163, 74, 0.08);
    color: #16a34a;
    border-bottom: 1px solid rgba(22, 163, 74, 0.15);
}

.kb-code-block pre {
    margin: 0;
    overflow-x: auto;
}

.kb-code-block pre code {
    display: block;
    padding: var(--space-4);
    background: var(--gray-900);
    color: #e5e7eb;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: var(--leading-relaxed);
}

.kb-article-cta {
    margin-top: var(--space-8);
    padding: var(--space-6);
    text-align: center;
    background: #f0f5ff;
    border-radius: var(--radius-xl);
    border: 1px solid #d9e4f2;
}

.kb-cta-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--brand-dark-blue);
    margin: 0 0 var(--space-2);
}

.kb-cta-text {
    color: #4b5563;
    margin: 0 0 var(--space-4);
    font-size: var(--text-base);
}

.kb-cta-button {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    background: var(--brand-blue);
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: background 0.2s;
}

.kb-cta-button:hover {
    background: var(--brand-dark-blue);
    color: #fff;
}

.kb-article-footer {
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 1px solid #d9e4f2;
}

html[data-bs-theme="dark"] .kb-article-page {
    background:
        radial-gradient(circle at 15% 4%, rgba(96, 165, 250, 0.08), transparent 36%),
        var(--bg-primary);
}

html[data-bs-theme="dark"] .kb-breadcrumbs a,
html[data-bs-theme="dark"] .kb-breadcrumbs,
html[data-bs-theme="dark"] .kb-article-meta,
html[data-bs-theme="dark"] .kb-article-lead,
html[data-bs-theme="dark"] .kb-impact-block p,
html[data-bs-theme="dark"] .kb-detail-block p,
html[data-bs-theme="dark"] .kb-action-list li,
html[data-bs-theme="dark"] .kb-remediation-list li,
html[data-bs-theme="dark"] .kb-best-practices-list li {
    color: var(--text-secondary);
}

html[data-bs-theme="dark"] .kb-breadcrumb-sep {
    color: var(--brand-orange);
}

html[data-bs-theme="dark"] .kb-article-meta-dot {
    background: #8fa2bc;
}

html[data-bs-theme="dark"] .kb-article-hero,
html[data-bs-theme="dark"] .kb-article-shell {
    background: #151d2c;
    border-color: #2d3b52;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.33);
}

html[data-bs-theme="dark"] .kb-article-title,
html[data-bs-theme="dark"] .kb-section-title {
    color: var(--text-primary);
}

html[data-bs-theme="dark"] .kb-tabs {
    border-bottom-color: #2d3b52;
    background: linear-gradient(180deg, #172030 0%, #141d2b 100%);
}

html[data-bs-theme="dark"] .kb-tab {
    color: #9fb0c7;
}

html[data-bs-theme="dark"] .kb-tab:hover {
    color: var(--text-primary);
    background: rgba(96, 165, 250, 0.13);
}

html[data-bs-theme="dark"] .kb-tab.active {
    color: var(--text-primary);
    background: #1b2536;
    border-color: #30435f;
    box-shadow: 0 5px 14px rgba(0, 0, 0, 0.35);
}

html[data-bs-theme="dark"] .kb-tab:focus-visible {
    outline-color: var(--brand-blue-light);
}

html[data-bs-theme="dark"] .kb-section-business,
html[data-bs-theme="dark"] .kb-section-technical {
    background: #192233;
    border-top-color: var(--border-color);
    border-right-color: var(--border-color);
    border-bottom-color: var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
}

html[data-bs-theme="dark"] .kb-section-business {
    background: linear-gradient(180deg, #1b2434 0%, #24202c 100%);
}

html[data-bs-theme="dark"] .kb-section-technical {
    background: linear-gradient(180deg, #1b2434 0%, #1a2537 100%);
}

html[data-bs-theme="dark"] .kb-subsection-title {
    color: var(--text-tertiary);
}

html[data-bs-theme="dark"] .kb-impact-block,
html[data-bs-theme="dark"] .kb-actions-block,
html[data-bs-theme="dark"] .kb-detail-block {
    border-bottom-color: var(--border-color);
}

html[data-bs-theme="dark"] .kb-references-list li,
html[data-bs-theme="dark"] .kb-action-list li,
html[data-bs-theme="dark"] .kb-remediation-list li,
html[data-bs-theme="dark"] .kb-best-practices-list li {
    border-bottom-color: var(--bg-surface-alt);
}

html[data-bs-theme="dark"] .kb-component-list code {
    background: rgba(96, 165, 250, 0.1);
    color: #93c5fd;
    border-color: rgba(96, 165, 250, 0.18);
}

html[data-bs-theme="dark"] .kb-component-list li::before {
    background: var(--brand-blue-light);
}

html[data-bs-theme="dark"] .kb-references-list a {
    color: var(--brand-blue-light);
}

html[data-bs-theme="dark"] .kb-references-list a:hover {
    color: var(--brand-orange);
}

html[data-bs-theme="dark"] .kb-code-block {
    border-color: var(--border-color);
}

html[data-bs-theme="dark"] .kb-code-block pre code {
    background: #0d1117;
}

html[data-bs-theme="dark"] .kb-article-cta {
    background: #1a2332;
    border-color: var(--border-color);
}

html[data-bs-theme="dark"] .kb-cta-title {
    color: #e2e8f0;
}

html[data-bs-theme="dark"] .kb-cta-text {
    color: var(--text-secondary);
}

html[data-bs-theme="dark"] .kb-article-footer {
    border-top-color: var(--border-color);
}

@media (max-width: 640px) {
    .kb-article-page {
        padding: var(--space-6) var(--space-4) var(--space-12);
    }

    .kb-article-hero {
        padding: var(--space-5);
        margin-bottom: var(--space-5);
    }

    .kb-article-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .kb-article-lead {
        font-size: var(--text-base);
    }

    .kb-article-shell {
        border-radius: var(--radius-xl);
    }

    .kb-tabs {
        gap: var(--space-2);
        padding: var(--space-3);
    }

    .kb-tab {
        justify-content: flex-start;
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }

    .kb-tab svg {
        display: none;
    }

    .kb-tab-panel {
        padding: var(--space-3);
    }

    .kb-section-business,
    .kb-section-technical {
        padding: var(--space-5);
    }

    .kb-section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .kb-code-comparison {
        grid-template-columns: 1fr;
    }

    .kb-metadata-badges {
        gap: var(--space-1-5);
    }
}