/**
 * MORELESS.TOOLS - DOCUMENTATION SYSTEM
 * Consistent with MORELESS Design System
 * Nesting-based opacity: 0.10 → 0.12 → 0.14 → 0.16
 * NO backdrop-filter for performance
 */

/* =============================================================================
 * LAYOUT
 * ============================================================================= */

.docs-page-layout {
    display: grid;
    grid-template-columns: 260px 1fr 200px;
    gap: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
    box-sizing: border-box;
}

.docs-main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    padding: var(--space-lg) 0;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

/* =============================================================================
 * SIDEBAR NAVIGATION (Left)
 * ============================================================================= */

.docs-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-right: var(--space-md);
}

.docs-sidebar::-webkit-scrollbar {
    width: 4px;
}

.docs-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

/* =============================================================================
 * SIDEBAR SEARCH
 * ============================================================================= */

.docs-sidebar-search {
    position: relative;
    margin-bottom: var(--space-lg);
}

.docs-sidebar-search-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease;
}

.docs-sidebar-search-box:focus-within {
    border-color: var(--color-primary);
}

.docs-sidebar-search-box i {
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
    flex-shrink: 0;
}

.docs-sidebar-search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 12px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    min-width: 0;
}

.docs-sidebar-search-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.docs-sidebar-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgb(38, 52, 70);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    max-height: 320px;
    overflow-y: auto;
    display: none;
    z-index: 200;
}

.docs-sidebar-search-results.open {
    display: block;
}

.docs-sidebar-search-result {
    display: block;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.15s ease;
}

.docs-sidebar-search-result:last-child {
    border-bottom: none;
}

.docs-sidebar-search-result:hover,
.docs-sidebar-search-result.selected {
    background: rgba(255, 255, 255, 0.08);
}

.docs-sidebar-search-result-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.docs-sidebar-search-result-title i {
    color: var(--color-primary);
    font-size: 9px;
    margin-right: 4px;
}

.docs-sidebar-search-result-path {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 1px;
}

.docs-sidebar-search-no-results {
    padding: var(--space-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
}

.docs-sidebar-search-results::-webkit-scrollbar {
    width: 4px;
}

.docs-sidebar-search-results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.docs-nav-section {
    margin-bottom: var(--space-lg);
}

.docs-nav-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 11px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    user-select: none;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
}

.docs-nav-section-title:hover {
    background: rgba(255, 255, 255, 0.05);
}

.docs-nav-section-title i.section-icon {
    color: var(--color-primary);
    width: 14px;
    font-size: 12px;
}

.docs-nav-section-title i.toggle-icon {
    margin-left: auto;
    font-size: 10px;
    transition: transform 0.2s ease;
}

.docs-nav-section.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.docs-nav-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: var(--space-sm);
    margin-top: var(--space-xs);
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 1;
}

.docs-nav-section.collapsed .docs-nav-items {
    max-height: 0;
    opacity: 0;
}

.docs-nav-section.collapsed {
    margin-bottom: var(--space-xs);
}

.docs-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.docs-nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.docs-nav-item.active {
    background: rgba(255, 77, 41, 0.15);
    color: var(--color-primary);
    font-weight: 600;
}

.docs-nav-item i {
    width: 14px;
    font-size: 12px;
    opacity: 0.7;
}

/* =============================================================================
 * TABLE OF CONTENTS (Right)
 * ============================================================================= */

.docs-toc {
    position: sticky;
    top: 100px;
    height: fit-content;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-left: var(--space-md);
}

.docs-toc-title {
    font-size: 11px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    padding-left: var(--space-sm);
}

.docs-toc-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.docs-toc-item {
    display: block;
    padding: var(--space-xs) var(--space-md);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    border-left: 2px solid transparent;
    margin-left: -2px;
    transition: all 0.2s ease;
}

.docs-toc-item:hover {
    color: var(--text-primary);
}

.docs-toc-item.active {
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.docs-toc-item.level-2 {
    padding-left: calc(var(--space-md) + var(--space-sm));
    font-size: 11px;
}

/* =============================================================================
 * MAIN CONTENT AREA
 * ============================================================================= */

.docs-article-container {
    max-width: 800px;
    width: 100%;
}

/* Article Header (Compact) */
.docs-article-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 13px;
}

.docs-breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.docs-breadcrumb a:hover {
    color: var(--color-primary);
}

.docs-breadcrumb-separator {
    color: rgba(255, 255, 255, 0.3);
    font-size: 11px;
}

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

.docs-article-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.docs-article-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 77, 41, 0.15);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.docs-article-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.docs-article-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 var(--space-md) 0;
}

.docs-article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.docs-article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.docs-article-meta-item i {
    color: var(--color-primary);
    font-size: 12px;
}

/* =============================================================================
 * CONTENT WRAPPER (Level 1 - 0.10)
 * ============================================================================= */

.docs-content-wrapper {
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    position: relative;
}

.docs-content-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
}

/* =============================================================================
 * CONTENT BLOCKS (Level 2 - 0.12)
 * ============================================================================= */

.docs-section {
    margin-bottom: var(--space-xl);
    scroll-margin-top: 100px;
}

.docs-section:last-child {
    margin-bottom: 0;
}

.docs-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.docs-section-title i {
    color: var(--color-primary);
    font-size: 1rem;
}

.docs-section-title .docs-badge {
    margin-left: var(--space-sm);
}

.docs-section-content {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

.docs-section-content p {
    margin-bottom: var(--space-md);
}

.docs-section-content p:last-child {
    margin-bottom: 0;
}

.docs-section-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.docs-section-content a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.docs-section-content a:hover {
    border-bottom-color: var(--color-primary);
}

.docs-section-content ul,
.docs-section-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.docs-section-content li {
    margin-bottom: var(--space-xs);
}

.docs-section-content li::marker {
    color: var(--color-primary);
}

.docs-bullet {
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 4px;
}

.docs-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    margin: 16px 0;
}

/* =============================================================================
 * HIGHLIGHT CARDS (Level 2 - 0.12)
 * ============================================================================= */

.docs-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.docs-highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.docs-highlight:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.docs-highlight-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 77, 41, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
    font-size: 14px;
}

.docs-highlight-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.docs-highlight-text {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.docs-highlight-text code {
    word-break: break-all;
}

.docs-highlights-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.docs-highlight-image {
    flex-direction: column;
    text-align: center;
    padding: var(--space-sm);
}

.docs-highlight-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.docs-highlight-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.docs-highlight-image .docs-highlight-title {
    font-size: 0.8125rem;
}

.docs-highlight-image .docs-highlight-text {
    font-size: 0.75rem;
}

.docs-highlights-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.docs-highlights-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.docs-highlights-grid-4 .docs-highlight {
    flex-direction: column;
    text-align: center;
    padding: var(--space-sm);
    min-height: auto;
}

.docs-highlights-grid-4 .docs-highlight-icon {
    margin: 0 auto var(--space-xs);
}

.docs-highlights-grid-4 .docs-highlight-title {
    font-size: 0.8125rem;
}

.docs-highlights-grid-4 .docs-highlight-text {
    font-size: 0.75rem;
}

/* Success variant (green) - like active button state */
.docs-highlight--success {
    background: rgba(39, 174, 96, 0.12);
    border: 1px solid rgba(39, 174, 96, 0.15);
}

.docs-highlight--success .docs-highlight-icon {
    background: rgba(39, 174, 96, 0.2);
    color: #27AE60;
}

/* Error variant (red) - like clear/delete button */
.docs-highlight--error {
    background: rgba(231, 76, 60, 0.12);
    border: 1px solid rgba(231, 76, 60, 0.15);
}

.docs-highlight--error .docs-highlight-icon {
    background: rgba(231, 76, 60, 0.2);
    color: #E74C3C;
}

/* Full-width variant - spans both columns */
.docs-highlight--full {
    grid-column: 1 / -1;
}

/* =============================================================================
 * STEPS (Level 2 - 0.12)
 * ============================================================================= */

.docs-steps {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.docs-step {
    display: flex;
    gap: var(--space-md);
}

.docs-step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff6b47 100%);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.docs-step-content {
    flex: 1;
    padding-top: 4px;
}

.docs-step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.docs-step-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.docs-step-note {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
    margin-top: var(--space-sm);
}

/* =============================================================================
 * IMAGES (Level 3 - 0.14)
 * ============================================================================= */

.docs-image {
    margin: var(--space-lg) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.docs-image:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.docs-image img {
    display: block;
    width: 100%;
    height: auto;
}

.docs-image-caption {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.docs-image--xs {
    max-width: 200px;
}

.docs-image--small {
    max-width: 320px;
}

.docs-image--medium {
    max-width: 480px;
}

.docs-images {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.docs-images--row {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
}

.docs-images .docs-image {
    margin: 0;
}

.docs-images--row .docs-image {
    margin: 0;
}

/* =============================================================================
 * CALLOUTS (Level 2 - colored)
 * ============================================================================= */

.docs-callout {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.docs-callout-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    font-size: 12px;
}

.docs-callout-content {
    flex: 1;
}

.docs-callout-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.docs-callout-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

.docs-callout.info {
    background: rgba(52, 152, 219, 0.12);
    border: 1px solid rgba(52, 152, 219, 0.2);
}

.docs-callout.info .docs-callout-icon {
    background: rgba(52, 152, 219, 0.2);
    color: #3498DB;
}

.docs-callout.info .docs-callout-title {
    color: #3498DB;
}

.docs-callout.warning {
    background: rgba(243, 156, 18, 0.12);
    border: 1px solid rgba(243, 156, 18, 0.2);
}

.docs-callout.warning .docs-callout-icon {
    background: rgba(243, 156, 18, 0.2);
    color: #F39C12;
}

.docs-callout.warning .docs-callout-title {
    color: #F39C12;
}

.docs-callout.success {
    background: rgba(39, 174, 96, 0.12);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

.docs-callout.success .docs-callout-icon {
    background: rgba(39, 174, 96, 0.2);
    color: #27AE60;
}

.docs-callout.success .docs-callout-title {
    color: #27AE60;
}

/* =============================================================================
 * CODE BLOCKS (Level 3 - 0.14)
 * ============================================================================= */

.docs-section-content code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    padding: 0.15em 0.4em;
    background: rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.docs-code-block {
    margin: var(--space-lg) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.docs-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.docs-code-lang {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

.docs-code-copy {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.2s ease;
}

.docs-code-copy:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

.docs-code-block pre {
    margin: 0;
    padding: var(--space-md);
    overflow-x: auto;
}

.docs-code-block code {
    background: transparent;
    padding: 0;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* =============================================================================
 * FAQ ACCORDION (Level 2 - 0.12)
 * ============================================================================= */

.docs-faq {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}

.docs-faq-item {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.docs-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease;
    font-family: var(--font-primary);
}

.docs-faq-question:hover {
    background: rgba(255, 255, 255, 0.04);
}

.docs-faq-question i {
    color: var(--color-primary);
    font-size: 12px;
    transition: transform 0.3s ease;
}

.docs-faq-item.open .docs-faq-question i {
    transform: rotate(180deg);
}

.docs-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.docs-faq-item.open .docs-faq-answer {
    max-height: 500px;
}

.docs-faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

/* =============================================================================
 * BADGES
 * ============================================================================= */

.docs-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
}

.docs-badge.green {
    background: rgba(39, 174, 96, 0.15);
    color: #27AE60;
}

.docs-badge.blue {
    background: rgba(52, 152, 219, 0.15);
    color: #3498DB;
}

.docs-badge.purple {
    background: rgba(155, 89, 182, 0.15);
    color: #9B59B6;
}

.docs-badge.orange {
    background: rgba(230, 126, 34, 0.15);
    color: #E67E22;
}

.docs-badge.red {
    background: rgba(231, 76, 60, 0.15);
    color: #E74C3C;
}

.docs-badge.teal {
    background: rgba(26, 188, 156, 0.15);
    color: #1ABC9C;
}

/* =============================================================================
 * RELATED TOOLS
 * ============================================================================= */

.docs-related {
    margin-top: var(--space-xl);
}

.docs-related-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.docs-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.docs-related-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.docs-related-item:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.docs-related-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 77, 41, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.docs-related-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 2px 0;
}

.docs-related-info p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* =============================================================================
 * CTA SECTION
 * ============================================================================= */

.docs-cta {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: rgba(255, 77, 41, 0.1);
    border: 1px solid rgba(255, 77, 41, 0.2);
    border-radius: var(--radius-md);
    text-align: center;
}

.docs-cta h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.docs-cta p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
}

.docs-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all 0.2s ease;
}

.docs-cta-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* =============================================================================
 * LIGHTBOX
 * ============================================================================= */

.docs-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    gap: var(--space-md);
}

.docs-lightbox.open {
    display: flex;
}

.docs-lightbox-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.docs-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.docs-lightbox-content {
    max-width: 90vw;
    max-height: 80vh;
}

.docs-lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-md);
}

.docs-lightbox-caption {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    max-width: 90vw;
}

/* =============================================================================
 * HUB PAGE (Documentation Index)
 * ============================================================================= */

.docs-hub-layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

.docs-hub-header {
    margin-bottom: var(--space-xl);
}

.docs-hub-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.docs-hub-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff6b47 100%);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: white;
}

.docs-hub-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.docs-hub-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Search Box - Inline compact */
.docs-search-wrapper {
    margin: var(--space-lg) 0 var(--space-xl);
}

.docs-search-box {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease;
}

.docs-search-box:focus-within {
    border-color: var(--color-primary);
}

.docs-search-box i {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.docs-search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.docs-search-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.docs-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgb(38, 52, 70);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    margin-top: var(--space-sm);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 100;
}

.docs-search-results.open {
    display: block;
}

.docs-search-result {
    display: block;
    padding: var(--space-md) var(--space-lg);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease;
}

.docs-search-result:last-child {
    border-bottom: none;
}

.docs-search-result:hover,
.docs-search-result.selected {
    background: rgba(255, 255, 255, 0.08);
}

.docs-search-result-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.docs-search-result-title .docs-search-section-icon {
    color: var(--color-primary);
    font-size: 10px;
    margin-right: 6px;
}

.docs-search-result-path {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

.docs-search-no-results {
    padding: var(--space-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Category Cards */
.docs-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.docs-category-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.docs-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.docs-category-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.12);
}

.docs-category-card:hover::before {
    transform: scaleX(1);
}

.docs-category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.docs-category-card[data-color="green"] .docs-category-icon {
    background: rgba(39, 174, 96, 0.15);
    color: #27AE60;
}

.docs-category-card[data-color="orange"] .docs-category-icon {
    background: rgba(255, 77, 41, 0.15);
    color: var(--color-primary);
}

.docs-category-card[data-color="blue"] .docs-category-icon {
    background: rgba(52, 152, 219, 0.15);
    color: #3498DB;
}

.docs-category-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.docs-category-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.docs-category-count {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: auto;
}

/* Popular Articles */
.docs-popular {
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.docs-popular-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.docs-popular-title i {
    color: var(--color-primary);
}

.docs-popular-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.docs-popular-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.docs-popular-item:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.12);
}

.docs-popular-item-title {
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: 500;
}

.docs-popular-item-meta {
    font-size: 0.75rem;
    color: var(--color-primary);
}

/* =============================================================================
 * RESPONSIVE
 * ============================================================================= */

@media (max-width: 1200px) {
    .docs-page-layout {
        grid-template-columns: 240px 1fr;
    }

    .docs-toc {
        display: none;
    }
}

@media (max-width: 900px) {
    .docs-page-layout {
        grid-template-columns: 1fr;
        padding: 0 var(--space-md);
    }

    .docs-sidebar {
        display: none;
    }

    .docs-article-container {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .docs-main-content {
        margin-top: 60px;
        padding: var(--space-md) 0;
    }

    .docs-article-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .docs-article-title {
        font-size: 1.5rem;
    }

    .docs-article-meta {
        flex-wrap: wrap;
        gap: var(--space-md);
    }

    .docs-content-wrapper {
        padding: var(--space-lg);
    }

    .docs-highlights {
        grid-template-columns: 1fr;
    }

    .docs-step {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .docs-step-number {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .docs-hub-layout {
        padding: var(--space-lg) var(--space-md);
    }

    .docs-hub-title-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .docs-hub-title {
        font-size: 1.5rem;
    }

    .docs-categories {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
 * MOBILE SIDEBAR
 * ============================================================================= */

.docs-mobile-nav-toggle {
    display: none;
    position: fixed;
    bottom: 81px;
    right: 24px;
    width: 45px;
    height: 45px;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    z-index: 1000;
    transition: transform 0.2s ease;
}

.docs-mobile-nav-toggle:hover {
    transform: scale(1.05);
}

@media (max-width: 900px) {
    .docs-mobile-nav-toggle {
        display: flex;
    }
}

@media (max-width: 767px) {
    .docs-mobile-nav-toggle {
        bottom: 127px;
    }
}

@media (max-width: 479px) {
    .docs-mobile-nav-toggle {
        bottom: 122px;
        width: 40px;
        height: 40px;
    }
}

.docs-mobile-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: none;
}

.docs-mobile-sidebar.open {
    display: block;
}

.docs-mobile-sidebar-content {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    background: rgba(5, 20, 45, 0.98);
    padding: var(--space-xl);
    overflow-y: auto;
}

.docs-mobile-sidebar-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    cursor: pointer;
}

.docs-mobile-sidebar-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.docs-mobile-sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* =============================================================================
 * READING PROGRESS BAR
 * ============================================================================= */

.docs-reading-progress {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 999;
}

.docs-reading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width 0.1s ease;
}

/* =============================================================================
 * BMI SCALE BAR VISUAL
 * ============================================================================= */

.docs-bmi-scale-visual {
    margin: var(--space-lg) 0;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
}

.docs-bmi-scale-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    text-align: center;
}

.docs-bmi-scale-bar {
    display: flex;
    border-radius: var(--radius-full);
    overflow: hidden;
    height: 40px;
    position: relative;
}

.docs-bmi-scale-segment {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.docs-bmi-scale-segment.underweight {
    background: linear-gradient(135deg, #3498DB 0%, #2980B9 100%);
}

.docs-bmi-scale-segment.normal {
    background: linear-gradient(135deg, #27AE60 0%, #219A52 100%);
}

.docs-bmi-scale-segment.overweight {
    background: linear-gradient(135deg, #F1C40F 0%, #D4AC0D 100%);
    color: rgba(0, 0, 0, 0.8);
    text-shadow: none;
}

.docs-bmi-scale-segment.obese {
    background: linear-gradient(135deg, #E74C3C 0%, #C0392B 100%);
}

.docs-bmi-scale-legend {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.docs-bmi-scale-legend-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
}

.docs-bmi-scale-legend-color {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
}

.docs-bmi-scale-legend-color.underweight {
    background: #3498DB;
}

.docs-bmi-scale-legend-color.normal {
    background: #27AE60;
}

.docs-bmi-scale-legend-color.overweight {
    background: #F1C40F;
}

.docs-bmi-scale-legend-color.obese {
    background: #E74C3C;
}

.docs-bmi-scale-legend-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.docs-bmi-scale-legend-range {
    font-size: 0.6875rem;
    color: rgba(255, 255, 255, 0.6);
}

.docs-bmi-scale-legend-risk {
    font-size: 0.625rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

@media (max-width: 768px) {
    .docs-bmi-scale-bar {
        height: 36px;
    }

    .docs-bmi-scale-segment {
        font-size: 0.625rem;
    }

    .docs-bmi-scale-legend {
        grid-template-columns: repeat(2, 1fr);
    }
}