/* KB Home – match kb-home.html design (Plus Jakarta Sans, Vaakio primary, high-radius cards) */
.kb-home-page {
    --vaakio-primary: #845ADF;
    --vaakio-primary-soft: #f4f0ff;
    --vaakio-radius: 16px;
    --vaakio-bg-muted: #f8fafc;
    --vaakio-border: #e2e8f0;
    --vaakio-text: #1e293b;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--vaakio-text);
}

/* Hero – full-bleed out of container */
.kb-hero-balanced {
    padding: 80px 20px 120px;
    background-color: #ffffff;
    text-align: center;
    border-bottom: 1px solid var(--vaakio-border);
    width: 99vw;
    margin-left: calc(50% - 50vw);
    box-sizing: border-box;
}

.kb-hero-balanced h1 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    color: var(--vaakio-text);
}

.kb-hero-balanced .hero-sub {
    color: #64748b;
    font-size: 1.15rem;
    margin-bottom: 0;
}

.kb-search-box {
    max-width: 680px;
    margin: 32px auto 0;
    position: relative;
}

.kb-input {
    width: 100%;
    padding: 20px 24px 20px 56px;
    border-radius: var(--vaakio-radius);
    border: 1px solid var(--vaakio-border);
    background-color: var(--vaakio-bg-muted);
    font-size: 1.1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
    box-sizing: border-box;
}

.kb-input:focus {
    border-color: var(--vaakio-primary);
    background-color: white;
    box-shadow: 0 0 0 4px var(--vaakio-primary-soft);
}

.kb-search-icon {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--vaakio-primary);
    font-size: 1.2rem;
    pointer-events: none;
}

/* Content + grid */
.kb-content {
    max-width: 1200px;
    margin: -50px auto 80px;
    padding: 0 24px;
}

.kb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.kb-card {
    background: white;
    padding: 40px;
    border-radius: var(--vaakio-radius);
    border: 1px solid var(--vaakio-border);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    display: block;
}

.kb-card:hover {
    transform: translateY(-6px);
    border-color: var(--vaakio-primary);
    box-shadow: 0 20px 25px -5px rgba(132, 90, 223, 0.1);
    color: inherit;
}

.kb-icon-bg {
    width: 54px;
    height: 54px;
    background: var(--vaakio-primary-soft);
    color: var(--vaakio-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.kb-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--vaakio-text);
}

.kb-card p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
    font-size: 1rem;
}

/* Popular */
.popular-container {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 24px;
}

.pop-header {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--vaakio-text);
}

.pop-row {
    background: white;
    padding: 20px 30px;
    border-radius: 12px;
    border: 1px solid var(--vaakio-border);
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--vaakio-text);
    margin-bottom: 12px;
    transition: all 0.2s;
}

.pop-row:hover {
    border-color: var(--vaakio-primary);
    color: var(--vaakio-primary);
    padding-left: 38px;
}

.pop-row .pop-icon {
    margin-right: 16px;
    opacity: 0.4;
    font-size: 1.25rem;
}

.pop-row .pop-title {
    font-weight: 600;
}

/* --- KB Category Page – match kb-category.html --- */
.kb-category-page {
    --vaakio-primary: #845ADF;
    --vaakio-primary-soft: #f4f0ff;
    --vaakio-radius: 16px;
    --vaakio-border: #e2e8f0;
    --vaakio-bg-muted: #f8fafc;
    --vaakio-text: #1e293b;
    --text-muted: #64748b;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--vaakio-text);
    background-color: #ffffff;
}

.kb-main-layout {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    padding: 48px 24px;
}

.kb-header-left {
    margin-bottom: 40px;
}

.kb-breadcrumb-minimal {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.kb-breadcrumb-minimal a {
    text-decoration: none;
    color: var(--vaakio-primary);
}

.kb-header-left h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.02em;
}

.kb-article-entry-row {
    background: white;
    padding: 32px;
    border-radius: var(--vaakio-radius);
    border: 1px solid var(--vaakio-border);
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 20px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.kb-article-entry-row:hover {
    border-color: var(--vaakio-primary);
    box-shadow: 0 12px 20px -10px rgba(132, 90, 223, 0.12);
    transform: translateY(-2px);
}

.kb-article-entry-row h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 12px 0;
    transition: color 0.2s;
}

.kb-article-entry-row:hover h2 {
    color: var(--vaakio-primary);
}

.kb-article-excerpt {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1rem;
    margin-bottom: 20px;
}

.kb-article-meta-tags {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kb-sidebar-right {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.kb-sidebar-heading {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: block;
}

.kb-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-nav-list li {
    margin-bottom: 6px;
}

.kb-nav-list a {
    text-decoration: none;
    color: var(--vaakio-text);
    font-size: 0.95rem;
    padding: 12px 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.kb-nav-list a:hover {
    background: var(--vaakio-primary-soft);
    color: var(--vaakio-primary);
}

.kb-nav-list a.active {
    background: white;
    border-color: var(--vaakio-primary);
    color: var(--vaakio-primary);
    font-weight: 700;
    box-shadow: 0 4px 6px -1px rgba(132, 90, 223, 0.08);
}

.kb-badge-count {
    font-size: 0.7rem;
    background: var(--vaakio-bg-muted);
    padding: 2px 8px;
    border-radius: 6px;
    color: var(--text-muted);
}

.kb-category-cta {
    margin-top: 48px;
    padding: 24px;
    background: var(--vaakio-primary-soft);
    border-radius: 16px;
    text-align: center;
}

.kb-category-cta p {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: var(--vaakio-text);
}

.kb-category-cta .btn-support {
    display: block;
    background: var(--vaakio-primary);
    color: white !important;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    text-decoration: none;
    text-align: center;
    box-sizing: border-box;
}

.kb-category-cta .btn-support:hover {
    opacity: 0.9;
    color: white !important;
}

@media (max-width: 960px) {
    .kb-main-layout {
        grid-template-columns: 1fr;
    }
    .kb-sidebar-right {
        display: none;
    }
}

/* --- KB Article Page – match kb-article.html --- */
.kb-article-page {
    --vaakio-primary: #845ADF;
    --vaakio-primary-light: rgba(132, 90, 223, 0.1);
    --vaakio-text: #1e293b;
    --text-muted: #64748b;
    --vaakio-border: #e2e8f0;
    --vaakio-sidebar-width: 280px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--vaakio-bg-body);
    color: var(--vaakio-text);
    line-height: 1.6;
}

.kb-article-page .kb-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 1fr var(--vaakio-sidebar-width);
    gap: 48px;
}

.kb-article-page .kb-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.kb-article-page .kb-breadcrumbs a {
    text-decoration: none;
    color: var(--vaakio-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.kb-article-page .kb-breadcrumbs a:hover {
    text-decoration: underline;
}

.kb-article-page .kb-article-card {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--vaakio-border);
    padding: 48px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.kb-article-page .kb-header {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--vaakio-border);
    padding-bottom: 32px;
}

.kb-article-page .kb-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin: 0 0 16px 0;
    line-height: 1.2;
    color: #0f172a;
}

.kb-article-page .kb-meta {
    display: flex;
    gap: 24px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.kb-article-page .kb-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.kb-article-page .kb-content-wrapper {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #334155;
}

.kb-article-page .kb-content-wrapper h2 {
    font-size: 1.75rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #0f172a;
}

/* In-page anchor targets: avoid being hidden under fixed app bar */
.kb-article-page .kb-content-wrapper [id^="kb-section"] {
    scroll-margin-top: 5rem;
}

.kb-article-page .kb-content-wrapper h3 {
    font-size: 1.35rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: #0f172a;
}

.kb-article-page .kb-content-wrapper p {
    margin-bottom: 1.5rem;
}

.kb-article-page .kb-content-wrapper blockquote {
    margin: 2rem 0;
    padding: 24px;
    background: var(--vaakio-bg-body);
    border-left: 4px solid var(--vaakio-primary);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

.kb-article-page .kb-tag-container {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-article-page .kb-tag {
    background: var(--vaakio-primary-light);
    color: var(--vaakio-primary);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-block;
}

.kb-article-page .kb-tag:hover {
    opacity: 0.9;
    color: var(--vaakio-primary);
}

.kb-article-page .kb-feedback {
    margin-top: 64px;
    padding: 32px;
    background: var(--vaakio-bg-body);
    border-radius: 12px;
    text-align: center;
}

.kb-article-page .kb-feedback p {
    font-weight: 700;
    margin: 0;
    color: var(--vaakio-text);
}

.kb-article-page .kb-feedback-btns {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.kb-article-page .btn-feedback {
    padding: 10px 24px;
    border-radius: 8px;
    border: 1px solid var(--vaakio-border);
    background: white;
    cursor: pointer;
    font-weight: 600;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s;
    color: var(--vaakio-text);
}

.kb-article-page .btn-feedback:hover {
    border-color: var(--vaakio-primary);
    color: var(--vaakio-primary);
}

.kb-article-page .btn-feedback:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.kb-article-page .kb-feedback-thanks {
    font-weight: 600;
    color: var(--vaakio-primary);
    margin: 0;
}

.kb-article-page .kb-sidebar {
    position: sticky;
    top: 40px;
    height: fit-content;
}

.kb-article-page .kb-sidebar-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.kb-article-page .kb-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.kb-article-page .kb-sidebar-list li {
    margin-bottom: 12px;
}

.kb-article-page .kb-sidebar-list a {
    text-decoration: none;
    color: var(--vaakio-text);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.kb-article-page .kb-sidebar-list a:hover {
    color: var(--vaakio-primary);
}

/* Access / login-required state for KB article */
.kb-access-page {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 16px;
    background-color: var(--vaakio-bg-body, #f9fbfd);
}

.kb-access-card {
    max-width: 520px;
    width: 100%;
    padding: 32px 28px;
    border-radius: 16px;
    border: 1px solid var(--vaakio-border, #e2e8f0);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    background-color: #ffffff;
}

.kb-access-card .mud-typography-h5 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.kb-access-actions .mud-button-root {
    min-width: 150px;
}

@media (max-width: 1024px) {
    .kb-article-page .kb-container {
        grid-template-columns: 1fr;
    }
    .kb-article-page .kb-sidebar {
        display: none;
    }
}