:root {
    --kb-primary: #c62828;
    --kb-primary-dark: #b71c1c;
    --kb-primary-light: #ffebee;
    --kb-text: #1a1a1a;
    --kb-muted: #5c5c5c;
    --kb-border: #e0e0e0;
    --kb-note-bg: #fff8e1;
    --kb-warn-bg: #ffebee;
    --kb-tier-a: #c62828;
    --kb-tier-b: #3949ab;
    --kb-tier-c: #2e7d32;
    --kb-tier-d: #ef6c00;
    --kb-tier-e: #6a1b9a;
    --kb-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --kb-radius: 10px;
    --kb-font-ui: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

body.kb-page {
    font-family: "Times New Roman", Times, Georgia, "Nirmala UI", serif;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--kb-text);
    background: #f4f4f4;
}

.kb-site-header {
    background: #fff;
    border-bottom: 3px solid var(--kb-primary);
    padding: 0.75rem 0;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.kb-site-header .kb-btn-admission {
    background: var(--kb-primary);
    font-family: var(--kb-font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    padding: 0.4rem 1rem;
}

.kb-site-header .kb-btn-admission:hover {
    background: var(--kb-primary-dark);
    color: #fff;
}

.kb-site-header img {
    height: 56px;
    width: auto;
}

.kb-nav {
    background: var(--kb-primary);
}

.kb-nav .nav-link {
    color: #fff !important;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.85rem;
    padding: 0.65rem 1rem !important;
}

.kb-nav .nav-link:hover {
    background: rgba(0, 0, 0, 0.15);
}

.kb-nav .nav-link.active {
    background: rgba(0, 0, 0, 0.22);
    font-weight: 600;
}

.kb-toolbar {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.kb-toolbar strong {
    font-family: var(--kb-font-ui);
}

.kb-toolbar .btn-print {
    background: var(--kb-primary);
    color: #fff;
    border: none;
    padding: 0.45rem 1.1rem;
    border-radius: 4px;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
}

.kb-toolbar .btn-print:hover {
    background: var(--kb-primary-dark);
}

/* ========== Hub (index) ========== */
body.kb-hub {
    background: linear-gradient(180deg, #f0f2f5 0%, #e8eaed 120px, #f4f4f4 280px);
}

.kb-hub-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem 2.5rem;
}

.kb-hero {
    background: linear-gradient(135deg, #b71c1c 0%, #c62828 45%, #d32f2f 100%);
    color: #fff;
    border-radius: var(--kb-radius);
    padding: 2rem 2rem 1.75rem;
    margin: 1.25rem 0 1.5rem;
    box-shadow: var(--kb-shadow);
    position: relative;
    overflow: hidden;
}

.kb-hero::after {
    content: "";
    position: absolute;
    right: -40px;
    top: -40px;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.kb-hero h1 {
    font-family: var(--kb-font-ui);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    margin: 0 0 0.5rem;
    border: none;
    padding: 0;
    color: #fff;
    position: relative;
    z-index: 1;
}

.kb-hero-lead {
    font-family: var(--kb-font-ui);
    font-size: 1rem;
    opacity: 0.95;
    max-width: 42rem;
    margin-bottom: 1.25rem;
    line-height: 1.55;
    position: relative;
    z-index: 1;
}

.kb-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    position: relative;
    z-index: 1;
}

.kb-stat-pill {
    font-family: var(--kb-font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}

.kb-stat-pill--accent {
    background: rgba(255, 255, 255, 0.95);
    color: var(--kb-primary);
    border-color: rgba(255, 255, 255, 0.95);
}

.kb-hub-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.kb-hub-split-card {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius);
    padding: 1.1rem 1.15rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.kb-hub-split-card--notes {
    border-top: 4px solid var(--kb-primary);
}

.kb-hub-split-card--topics {
    border-top: 4px solid var(--kb-tier-b);
}

.kb-hub-split-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    background: var(--kb-primary);
}

.kb-hub-split-card--topics .kb-hub-split-icon {
    background: var(--kb-tier-b);
}

.kb-hub-split-title {
    font-family: var(--kb-font-ui);
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
    color: var(--kb-text);
}

.kb-hub-split-card p {
    font-family: var(--kb-font-ui);
    font-size: 0.84rem;
    color: var(--kb-muted);
    margin: 0;
    line-height: 1.45;
    flex: 1;
}

.kb-hub-split-link {
    font-family: var(--kb-font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--kb-primary);
    text-decoration: none;
    margin-top: 0.25rem;
}

.kb-hub-split-link:hover {
    text-decoration: underline;
}

.kb-quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.25rem;
}

.kb-quick-actions a,
.kb-quick-actions button {
    font-family: var(--kb-font-ui);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kb-quick-actions a:hover,
.kb-quick-actions button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.kb-btn-primary-solid {
    background: var(--kb-primary);
    color: #fff !important;
}

.kb-btn-outline {
    background: #fff;
    color: var(--kb-primary) !important;
    border: 2px solid var(--kb-primary) !important;
}

.kb-btn-ghost {
    background: #fff;
    color: #333 !important;
    border: 1px solid var(--kb-border) !important;
}

.kb-topics-heading {
    font-family: var(--kb-font-ui);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--kb-text);
    margin: 0 0 0.35rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.kb-topics-count {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--kb-tier-b);
    background: #e8eaf6;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
}

.kb-topics-lead {
    font-family: var(--kb-font-ui);
    font-size: 0.86rem;
    color: var(--kb-muted);
    margin: 0 0 0.85rem;
    line-height: 1.45;
}

.kb-search-panel {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius);
    padding: 1rem 1.15rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.kb-search-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.kb-search-field {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.kb-search-field i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

.kb-search-field input {
    width: 100%;
    font-family: var(--kb-font-ui);
    font-size: 0.95rem;
    padding: 0.6rem 2.5rem 0.6rem 2.35rem;
    border: 1px solid var(--kb-border);
    border-radius: 8px;
}

.kb-search-field input:focus {
    outline: none;
    border-color: var(--kb-primary);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15);
}

.kb-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: #eee;
    color: #333;
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--kb-font-ui);
}

.kb-tier-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.85rem;
}

.kb-tier-filter {
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--kb-border);
    background: #fafafa;
    color: #444;
    cursor: pointer;
    transition: all 0.15s ease;
}

.kb-tier-filter:hover {
    border-color: #999;
}

.kb-tier-filter.active {
    color: #fff;
    border-color: transparent;
}

.kb-tier-filter[data-kb-tier-filter="all"].active {
    background: #424242;
}

.kb-tier-filter[data-kb-tier-filter="A"].active {
    background: var(--kb-tier-a);
}

.kb-tier-filter[data-kb-tier-filter="B"].active {
    background: var(--kb-tier-b);
}

.kb-tier-filter[data-kb-tier-filter="C"].active {
    background: var(--kb-tier-c);
}

.kb-tier-filter[data-kb-tier-filter="D"].active {
    background: var(--kb-tier-d);
}

.kb-tier-filter[data-kb-tier-filter="E"].active {
    background: var(--kb-tier-e);
}

.kb-search-meta {
    font-family: var(--kb-font-ui);
    font-size: 0.82rem;
    color: var(--kb-muted);
    margin-top: 0.65rem;
}

.kb-search-empty {
    font-family: var(--kb-font-ui);
    text-align: center;
    padding: 2rem;
    color: var(--kb-muted);
    background: #fff;
    border-radius: var(--kb-radius);
    border: 1px dashed var(--kb-border);
    margin: 1rem 0;
}

.kb-notes-panel {
    background: linear-gradient(135deg, #fff 0%, #fff8f8 100%);
    border: 1px solid #ffcdd2;
    border-left: 4px solid var(--kb-primary);
    border-radius: var(--kb-radius);
    padding: 1.15rem 1.25rem 1rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 2px 12px rgba(198, 40, 40, 0.08);
}

.kb-notes-panel h2 {
    font-family: var(--kb-font-ui);
    font-size: 1.1rem;
    color: var(--kb-primary);
    margin: 0 0 0.4rem;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    line-height: 1.35;
}

.kb-notes-lead {
    font-family: var(--kb-font-ui);
    font-size: 0.86rem;
    color: var(--kb-muted);
    margin: 0 0 0.85rem;
    text-align: left;
    line-height: 1.5;
    max-width: 42rem;
}

.kb-notes-lead a {
    color: var(--kb-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.kb-notes-body {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.kb-course-picker {
    width: 100%;
}

.kb-course-picker-box {
    background: #fff;
    border: 2px solid #ef9a9a;
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.kb-course-picker.is-open .kb-course-picker-box,
.kb-course-picker-box:focus-within {
    border-color: var(--kb-primary);
    box-shadow: 0 0 0 0.15rem rgba(198, 40, 40, 0.12);
}

.kb-course-picker-trigger {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 0.9rem;
    font-family: var(--kb-font-ui);
    text-align: left;
    color: var(--kb-text);
    background: transparent;
    border: none;
    cursor: pointer;
}

.kb-course-picker.is-open .kb-course-picker-trigger {
    border-bottom: 1px solid #ffcdd2;
}

.kb-course-picker-trigger-icon {
    flex-shrink: 0;
    width: 2.35rem;
    height: 2.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--kb-primary-light);
    color: var(--kb-primary);
    font-size: 1rem;
}

.kb-course-picker-trigger-title {
    flex: 1;
    min-width: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--kb-primary);
    line-height: 1.3;
}

.kb-course-picker-trigger:hover,
.kb-course-picker-trigger:focus {
    outline: none;
}

.kb-course-picker-chevron {
    flex-shrink: 0;
    font-size: 0.72rem;
    color: var(--kb-muted);
    transition: transform 0.15s ease;
}

.kb-course-picker.is-open .kb-course-picker-chevron {
    transform: rotate(180deg);
}

.kb-course-picker-panel {
    padding: 0.65rem 0.9rem 0.75rem;
    background: #fff;
}

.kb-course-picker-panel-meta {
    font-family: var(--kb-font-ui);
    font-size: 0.74rem;
    color: var(--kb-muted);
    margin: 0 0 0.4rem;
}

.kb-notes-foot {
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    color: var(--kb-muted);
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
}

.kb-notes-foot a {
    color: var(--kb-primary);
    font-weight: 600;
    text-decoration: none;
}

.kb-notes-foot a:hover {
    text-decoration: underline;
}

.kb-topics-heading {
    font-family: var(--kb-font-ui);
    font-size: 1.05rem;
    color: var(--kb-primary);
    margin: 0 0 0.35rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    line-height: 1.35;
}

.kb-topics-count {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--kb-primary);
    background: var(--kb-primary-light);
    border: 1px solid #ef9a9a;
    border-radius: 999px;
    padding: 0.12rem 0.5rem;
}

.kb-topics-lead {
    font-family: var(--kb-font-ui);
    font-size: 0.84rem;
    color: var(--kb-muted);
    margin: 0 0 0.85rem;
    line-height: 1.45;
    max-width: 42rem;
}

.kb-course-picker-search {
    width: 100%;
    font-family: var(--kb-font-ui);
    font-size: 0.88rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ef9a9a;
    border-radius: 8px;
    background: #fff;
    margin-bottom: 0.4rem;
}

.kb-course-picker-list {
    max-height: min(22rem, 55vh);
    overflow-y: auto;
    border: 1px solid #ef9a9a;
    border-radius: 8px;
    background: #fff;
}

.kb-course-picker-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.5rem 0.65rem;
    line-height: 1.35;
    text-decoration: none;
    color: var(--kb-text);
    border-bottom: 1px solid #ffcdd2;
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

.kb-course-picker-label {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
}

.kb-course-duration {
    flex-shrink: 0;
    font-size: 0.68rem;
    font-weight: 700;
    color: #1e4620;
    background: #f1f8f4;
    border: 1px solid #a5d6a7;
    border-radius: 999px;
    padding: 0.12rem 0.4rem;
    white-space: nowrap;
}

.kb-course-picker-list a[data-sr] .kb-course-picker-label::before {
    content: attr(data-sr);
    flex-shrink: 0;
    min-width: 1.65rem;
    font-weight: 700;
    font-size: 0.72rem;
    color: var(--kb-primary);
    text-align: center;
    background: var(--kb-primary-light);
    border-radius: 4px;
    padding: 0.15rem 0.25rem;
    line-height: 1.3;
}

.kb-course-picker-list a:last-child {
    border-bottom: none;
}

.kb-course-picker-list a.kb-course-hidden {
    display: none;
}

.kb-course-picker-list a:hover {
    background: var(--kb-primary-light);
    color: var(--kb-primary);
}

.kb-course-picker-empty {
    padding: 0.65rem;
    font-family: var(--kb-font-ui);
    font-size: 0.8rem;
    color: var(--kb-muted);
    text-align: center;
}

.kb-hub-main.kb-article {
    max-width: 1100px;
    padding: 0;
    background: transparent;
    box-shadow: none;
    margin-bottom: 0;
}

.kb-tier-block {
    margin-bottom: 2rem;
}

.kb-tier-block.kb-tier-hidden {
    display: none;
}

.kb-tier-heading {
    font-family: var(--kb-font-ui);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--kb-border);
}

.kb-tier-heading .kb-tier-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    letter-spacing: 0.03em;
}

.kb-tier-block[data-tier="A"] .kb-tier-label {
    background: var(--kb-tier-a);
}

.kb-tier-block[data-tier="B"] .kb-tier-label {
    background: var(--kb-tier-b);
}

.kb-tier-block[data-tier="C"] .kb-tier-label {
    background: var(--kb-tier-c);
}

.kb-tier-block[data-tier="D"] .kb-tier-label {
    background: var(--kb-tier-d);
}

.kb-tier-block[data-tier="E"] .kb-tier-label {
    background: var(--kb-tier-e);
}

.kb-index-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.85rem;
    margin: 1rem 0;
}

.kb-index-card {
    border-radius: 8px;
    padding: 1rem 1.1rem 1rem 1rem;
    background: #fff;
    border: 1px solid var(--kb-border);
    border-left-width: 4px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    position: relative;
}

.kb-index-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.kb-index-card.kb-card-hidden {
    display: none;
}

.kb-tier-block[data-tier="A"] .kb-index-card {
    border-left-color: var(--kb-tier-a);
}

.kb-tier-block[data-tier="B"] .kb-index-card {
    border-left-color: var(--kb-tier-b);
}

.kb-tier-block[data-tier="C"] .kb-index-card {
    border-left-color: var(--kb-tier-c);
}

.kb-tier-block[data-tier="D"] .kb-index-card {
    border-left-color: var(--kb-tier-d);
}

.kb-tier-block[data-tier="E"] .kb-index-card {
    border-left-color: var(--kb-tier-e);
}

.kb-card-badge {
    font-family: var(--kb-font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    color: #666;
    background: #f0f0f0;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
}

.kb-index-card h3 {
    font-family: var(--kb-font-ui);
    font-size: 1rem;
    padding-right: 2.5rem;
    line-height: 1.35;
}

.kb-index-card h3 a::after {
    content: " →";
    font-size: 0.85em;
    opacity: 0;
    transition: opacity 0.15s;
}

.kb-index-card:hover h3 a::after {
    opacity: 1;
}

.kb-index-card p {
    font-family: var(--kb-font-ui);
    font-size: 0.85rem;
}

.kb-hub-disclaimer {
    background: #fff;
    border-radius: var(--kb-radius);
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--kb-border);
    margin-top: 1rem;
}

.kb-hub-disclaimer h2 {
    font-size: 1.1rem;
}

.kb-hub-disclaimer p {
    text-align: left;
    font-size: 0.95rem;
}

@media (max-width: 767px) {
    .kb-hub-split {
        grid-template-columns: 1fr;
    }

    .kb-hero {
        padding: 1.5rem 1.15rem;
    }

    .kb-hub-wrap {
        padding: 0 0.65rem 2rem;
    }
}

.kb-article {
    background: #fff;
    max-width: 210mm;
    margin: 0 auto 2rem;
    padding: 2rem 2.25rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.kb-index-card {
    border: 1px solid var(--kb-border);
    border-radius: 6px;
    padding: 1rem 1.1rem;
    background: #fafafa;
    page-break-inside: avoid;
}

.kb-index-card h3 {
    font-size: 1.05rem;
    margin: 0 0 0.4rem;
    color: var(--kb-primary);
}

.kb-index-card h3 a {
    color: var(--kb-primary);
    text-decoration: none;
}

.kb-index-card h3 a:hover {
    text-decoration: underline;
}

.kb-index-card p {
    font-size: 0.92rem;
    margin: 0;
    color: var(--kb-muted);
}

.kb-tier-heading {
    font-size: 1.2rem;
    color: #222;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.35rem;
}

.kb-article h1 {
    font-size: 1.85rem;
    color: var(--kb-primary);
    font-weight: 700;
    margin-bottom: 0.35rem;
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
}

.kb-subtitle {
    font-size: 1.05rem;
    color: var(--kb-muted);
    margin-bottom: 1.5rem;
}

.kb-article h2 {
    font-size: 1.35rem;
    color: var(--kb-primary);
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.kb-article h3 {
    font-size: 1.12rem;
    color: #222;
    margin-top: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.kb-article p,
.kb-article li {
    text-align: justify;
}

.kb-article ul,
.kb-article ol {
    padding-left: 1.4rem;
}

.kb-note-box {
    background: var(--kb-note-bg);
    border-left: 4px solid #f9a825;
    padding: 0.85rem 1rem;
    margin: 1rem 0;
    page-break-inside: avoid;
}

.kb-warn-box {
    background: var(--kb-warn-bg);
    border-left: 4px solid var(--kb-primary);
    padding: 0.85rem 1rem;
    margin: 1rem 0;
    page-break-inside: avoid;
}

.kb-image-placeholder {
    border: 2px dashed #999;
    background: #fafafa;
    color: #666;
    text-align: center;
    padding: 2rem 1rem;
    margin: 1.25rem 0;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.88rem;
    page-break-inside: avoid;
}

.kb-table-wrap {
    overflow-x: auto;
    margin: 1rem 0 1.25rem;
    page-break-inside: avoid;
}

.kb-article table {
    font-size: 0.92rem;
    width: 100%;
}

.kb-article table th {
    background: #f0f0f0;
    font-weight: 700;
    vertical-align: top;
}

.kb-article table td,
.kb-article table th {
    border: 1px solid var(--kb-border) !important;
    padding: 0.45rem 0.55rem;
    vertical-align: top;
}

.kb-breadcrumb {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.88rem;
    margin-bottom: 1rem;
}

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

.kb-footer {
    background: #111;
    color: #ccc;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.85rem;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.kb-footer a {
    color: #fff;
}

.kb-section-num {
    color: var(--kb-muted);
    font-weight: normal;
    font-size: 0.95rem;
}

.kb-references ol {
    font-size: 0.95rem;
}

.kb-print-header {
    display: none;
}

/* --- Bilingual + floating topic images (Tier A practical pages) --- */
.kb-title-bilingual {
    font-size: 1.05rem;
    color: var(--kb-muted);
    font-weight: 600;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

.kb-lang-label {
    display: inline-block;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--kb-primary);
    margin-bottom: 0.25rem;
}

.kb-float-img {
    width: 100%;
    max-width: 240px;
    height: auto;
    border: 1px solid var(--kb-border);
    border-radius: 4px;
    background: #fafafa;
    page-break-inside: avoid;
}

.kb-float-img.kb-img-wide {
    max-width: 280px;
}

.kb-step {
    margin: 1.25rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dotted #e0e0e0;
    page-break-inside: avoid;
}

.kb-step:last-of-type {
    border-bottom: none;
}

.kb-step h3 {
    margin-top: 0;
    font-size: 1.08rem;
    color: var(--kb-primary);
}

.kb-step-meta {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.82rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.kb-step-meta span {
    margin-right: 0.75rem;
}

/* --- Surya Namaskar & multi-step sequence pages --- */
.kb-page-sn .kb-sn-tier {
    display: inline-block;
    font-family: var(--kb-font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #fff;
    background: var(--kb-tier-a);
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.kb-sn-intro {
    display: grid;
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    gap: 1.25rem 1.5rem;
    align-items: start;
    margin: 1rem 0 1.5rem;
    padding: 1rem 1.15rem;
    background: linear-gradient(135deg, #fff8f8 0%, #fff 100%);
    border: 1px solid #ffcdd2;
    border-radius: var(--kb-radius);
    page-break-inside: avoid;
}

.kb-sn-intro-fig {
    margin: 0;
}

.kb-sn-intro-fig img {
    width: 100%;
    height: auto;
    max-height: 200px;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    object-position: center center;
    border: 1px solid var(--kb-border);
    border-radius: 6px;
    background: #f8f8f8;
    padding: 0.25rem;
}

.kb-sn-intro-fig figcaption {
    font-family: var(--kb-font-ui);
    font-size: 0.72rem;
    color: var(--kb-muted);
    text-align: center;
    margin-top: 0.35rem;
}

.kb-sn-intro-text p {
    margin-bottom: 0.65rem;
}

.kb-sn-intro-text p:last-child {
    margin-bottom: 0;
}

.kb-sn-jump {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0.75rem 0 1.25rem;
    padding: 0.65rem 0.75rem;
    background: #fafafa;
    border: 1px solid var(--kb-border);
    border-radius: 8px;
}

.kb-sn-jump-label {
    font-family: var(--kb-font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--kb-muted);
    width: 100%;
    margin-bottom: 0.15rem;
}

.kb-sn-jump a {
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--kb-primary);
    text-decoration: none;
    min-width: 1.85rem;
    height: 1.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ef9a9a;
    border-radius: 6px;
    background: #fff;
    transition: background 0.15s, color 0.15s;
}

.kb-sn-jump a:hover {
    background: var(--kb-primary);
    color: #fff;
    border-color: var(--kb-primary);
}

.kb-sn-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.kb-sn-step {
    background: #fff;
    border: 1px solid var(--kb-border);
    border-left: 4px solid var(--kb-tier-a);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    page-break-inside: avoid;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.kb-sn-step-inner {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 0;
    align-items: start;
}

.kb-sn-step-fig {
    margin: 0;
    background: #f8f8f8;
    border-right: 1px solid var(--kb-border);
    display: flex;
    flex-direction: column;
    align-self: start;
}

.kb-sn-step-fig img {
    width: 100%;
    height: auto;
    max-height: 180px;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    object-position: center center;
    display: block;
    padding: 0.35rem;
    background: #f8f8f8;
    box-sizing: border-box;
}

.kb-sn-step-num {
    font-family: var(--kb-font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    color: #fff;
    background: var(--kb-tier-a);
    padding: 0.3rem 0.5rem;
    letter-spacing: 0.06em;
}

.kb-sn-step-content {
    padding: 0.85rem 1rem 0.95rem;
    min-width: 0;
}

.kb-sn-step-content h3 {
    font-family: var(--kb-font-ui);
    font-size: 1rem;
    line-height: 1.35;
    color: var(--kb-primary);
    margin: 0 0 0.5rem;
}

.kb-sn-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    margin-bottom: 0.55rem;
}

.kb-sn-badge {
    font-family: var(--kb-font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.18rem 0.5rem;
    border-radius: 999px;
    line-height: 1.3;
}

.kb-sn-badge--puraka {
    color: #1b5e20;
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
}

.kb-sn-badge--rechaka {
    color: #0d47a1;
    background: #e3f2fd;
    border: 1px solid #90caf9;
}

.kb-sn-badge--mantra {
    color: #4a148c;
    background: #f3e5f5;
    border: 1px solid #ce93d8;
    font-family: "Nirmala UI", "Segoe UI", sans-serif;
}

.kb-sn-text p {
    font-size: 0.98rem;
    line-height: 1.55;
    margin-bottom: 0.45rem;
    text-align: left;
}

.kb-sn-text p:last-child {
    margin-bottom: 0;
}

.kb-sn-detail {
    margin-top: 0.35rem;
}

.kb-sn-detail-label {
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--kb-muted);
    margin: 0.65rem 0 0.35rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid #eee;
}

.kb-sn-detail-label:first-child {
    margin-top: 0;
}

.kb-sn-vidhi ol {
    font-size: 0.92rem;
    line-height: 1.55;
    margin: 0 0 0.5rem;
    padding-left: 1.25rem;
}

.kb-sn-vidhi ol li {
    margin-bottom: 0.35rem;
    text-align: left;
}

.kb-sn-detail-label--warn {
    color: #b71c1c;
    border-bottom-color: #ffcdd2;
}

.kb-sn-savdhani {
    background: #fff8f8;
    border-left: 3px solid #ef5350;
    padding: 0.45rem 0.65rem;
    margin-bottom: 0.25rem;
    font-size: 0.88rem;
    line-height: 1.5;
}

.kb-sn-savdhani p {
    margin: 0;
    text-align: left;
}

.kb-sn-savdhani p + p {
    margin-top: 0.35rem;
}

.kb-sn-labh ul {
    font-size: 0.92rem;
    line-height: 1.5;
    margin: 0 0 0.25rem;
    padding-left: 1.15rem;
}

.kb-sn-labh ul li {
    margin-bottom: 0.25rem;
    text-align: left;
}

.kb-sn-text .kb-lang-tag {
    font-family: var(--kb-font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--kb-primary);
    margin-right: 0.35rem;
    letter-spacing: 0.03em;
}

.kb-page-sn [lang="hi"],
.kb-page-sn .kb-sn-badge--mantra {
    font-family: "Nirmala UI", "Mangal", "Segoe UI", sans-serif;
}

.kb-page-sn .kb-article h2 {
    font-family: var(--kb-font-ui);
    border-bottom: 2px solid #ffcdd2;
    padding-bottom: 0.35rem;
}

.kb-page-sn .kb-sn-intro-fig .kb-float-img,
.kb-page-sn .kb-sn-step-fig .kb-float-img {
    max-width: 100%;
    float: none !important;
    margin: 0 !important;
    border: none;
    border-radius: 0;
}

@media (max-width: 767px) {
    .kb-sn-intro {
        grid-template-columns: 1fr;
    }

    .kb-sn-step-inner {
        grid-template-columns: 1fr;
    }

    .kb-sn-step-fig {
        border-right: none;
        border-bottom: 1px solid var(--kb-border);
    }

    .kb-sn-step-fig img {
        max-height: 200px;
        width: auto;
        max-width: 100%;
        margin: 0 auto;
    }
}

@media print {
    .kb-sn-jump {
        display: none !important;
    }

    .kb-sn-step {
        box-shadow: none;
        break-inside: avoid;
    }

    .kb-sn-step-inner {
        grid-template-columns: 160px minmax(0, 1fr);
    }

    .kb-sn-intro {
        grid-template-columns: 200px minmax(0, 1fr);
        background: #fff;
    }
}

.kb-img-pending {
    display: block;
    width: 100%;
    max-width: 240px;
    min-height: 140px;
    border: 2px dashed #bbb;
    background: #fafafa;
    color: #777;
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.78rem;
    padding: 0.75rem;
    text-align: center;
    line-height: 1.4;
    border-radius: 4px;
    page-break-inside: avoid;
}

.kb-bilingual-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
    margin: 1rem 0;
}

body[data-kb-lang] .kb-bilingual-list {
    grid-template-columns: 1fr;
    gap: 1rem;
}

body[data-kb-lang="en"] [data-kb-lang="hi"] {
    display: none !important;
}

body[data-kb-lang="hi"] [data-kb-lang="en"] {
    display: none !important;
}

.kb-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--kb-font-ui);
}

.kb-lang-switch-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--kb-muted);
    margin-right: 0.15rem;
}

.kb-lang-btn {
    font-family: var(--kb-font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border: 1px solid var(--kb-border);
    border-radius: 6px;
    background: #fff;
    color: var(--kb-text);
    cursor: pointer;
    line-height: 1.2;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.kb-lang-btn:hover {
    border-color: var(--kb-primary);
    color: var(--kb-primary);
}

.kb-lang-btn.active {
    background: var(--kb-primary);
    border-color: var(--kb-primary);
    color: #fff;
}

.kb-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
}

@media (max-width: 767px) {
    .kb-bilingual-list {
        grid-template-columns: 1fr;
    }

    .kb-float-img,
    .kb-float-img.kb-img-wide,
    .kb-img-pending {
        max-width: 100%;
        float: none !important;
        margin: 0 0 0.75rem !important;
    }
}

@media print {
    @page {
        size: A4;
        margin: 20mm 15mm;
    }

    body.kb-page {
        background: #fff;
        font-size: 11pt;
        line-height: 1.55;
    }

    body.kb-hub {
        background: #fff;
    }

    .no-print,
    .kb-hub-wrap {
        display: none !important;
    }

    .kb-hub-main.kb-article {
        max-width: 100%;
        padding: 0;
    }

    .kb-index-card {
        break-inside: avoid;
        box-shadow: none;
        transform: none !important;
    }

    .kb-index-card h3 a::after {
        display: none;
    }

    .kb-print-header {
        display: block !important;
        text-align: center;
        font-size: 10pt;
        font-weight: 700;
        border-bottom: 1px solid #333;
        padding-bottom: 6px;
        margin-bottom: 14px;
        page-break-after: avoid;
    }

    .kb-article {
        max-width: 100%;
        margin: 0;
        padding: 0;
        box-shadow: none;
    }

    .kb-article h1 {
        font-size: 16pt;
        page-break-after: avoid;
    }

    .kb-article h2,
    .kb-tier-heading {
        font-size: 13pt;
        page-break-after: avoid;
    }

    .kb-article h3 {
        font-size: 11.5pt;
        page-break-after: avoid;
    }

    .kb-table-wrap,
    .kb-note-box,
    .kb-warn-box,
    .kb-image-placeholder,
    .kb-index-card,
    .kb-step,
    .kb-float-img,
    .kb-img-pending {
        page-break-inside: avoid;
    }

    .kb-float-img {
        max-width: 38%;
    }

    .kb-bilingual-list {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem 1rem;
    }

    .kb-article table {
        font-size: 9pt;
    }

    a[href]::after {
        content: none !important;
    }
}