/* ============================================================
   Jolu Design System — Docs Site Layout
   Clones m3.material.io page structure
   ============================================================ */

/* ── Layout ── */
.docs-layout {
    display: flex;
    min-height: 100vh;
}

.docs-main {
    margin-left: 80px;
    flex: 1;
}

/* ── Navigation Rail (M3 — 80px, icon above label) ── */
.nav-rail {
    width: 80px;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 50;
    background: var(--md-sys-color-surface);
    border-right: 1px solid var(--md-sys-color-outline-variant);
    padding: 12px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Search icon button at top */
.nav-rail__search {
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    border: none;
    cursor: pointer;
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: background var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
    flex-shrink: 0;
}

.nav-rail__search:hover {
    background: var(--md-sys-color-surface-container-highest);
}

.nav-rail__search .material-symbols-outlined {
    font-size: 24px;
}

/* Items container */
.nav-rail__items {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    width: 100%;
    padding: 0 4px;
}

/* Individual nav item — icon above label, centered */
.nav-rail__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 72px;
    min-height: 56px;
    padding: 4px 0;
    border: none;
    background: none;
    text-decoration: none;
    color: var(--md-sys-color-on-surface-variant);
    cursor: pointer;
    position: relative;
    border-radius: 0;
    transition: color var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
}

/* Icon container with pill indicator */
.nav-rail__item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 32px;
    border-radius: var(--md-sys-shape-corner-full);
    font-size: 24px;
    transition: background var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
}

.nav-rail__item:hover .nav-rail__item-icon {
    background: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

/* Label below icon */
.nav-rail__item-label {
    font-family: var(--md-sys-typescale-label-medium-font);
    font-size: var(--md-sys-typescale-label-medium-size);
    font-weight: var(--md-sys-typescale-label-medium-weight);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 72px;
}

/* Active state — pill indicator behind icon */
.nav-rail__item.active .nav-rail__item-icon {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    font-variation-settings: 'FILL' 1;
}

.nav-rail__item.active {
    color: var(--md-sys-color-on-surface);
    font-weight: 700;
}

.nav-rail__item.active .nav-rail__item-label {
    font-weight: 700;
}

/* Bottom area (theme toggle) */
.nav-rail__bottom {
    margin-top: auto;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nav-rail__toggle {
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    border: none;
    cursor: pointer;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
}

.nav-rail__toggle:hover {
    background: color-mix(in srgb, var(--md-sys-color-on-surface-variant) 8%, transparent);
}

.nav-rail__toggle .material-symbols-outlined {
    font-size: 24px;
}

/* ── Flyout Panel (opens to the right of nav rail) ── */
.nav-rail__flyout {
    position: fixed;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 280px;
    background: var(--md-sys-color-surface-container-low);
    box-shadow: var(--md-sys-elevation-level2);
    z-index: 49;
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-8px);
    transition: opacity var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        transform var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        visibility 0s var(--md-sys-motion-duration-short3);
}

.nav-rail__flyout.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    transition: opacity var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        transform var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard),
        visibility 0s 0s;
}

.nav-rail__flyout-title {
    font-family: var(--md-sys-typescale-title-small-font);
    font-size: var(--md-sys-typescale-title-small-size);
    font-weight: var(--md-sys-typescale-title-small-weight);
    color: var(--md-sys-color-on-surface-variant);
    padding: 0 24px 12px;
    letter-spacing: 0.1px;
}

.nav-rail__flyout-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 48px;
    padding: 0 24px;
    text-decoration: none;
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-label-large-font);
    font-size: var(--md-sys-typescale-label-large-size);
    font-weight: var(--md-sys-typescale-label-large-weight);
    cursor: pointer;
    transition: background var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
}

.nav-rail__flyout-item:hover {
    background: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

.nav-rail__flyout-item.active {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    font-weight: 700;
}

.nav-rail__flyout-item .material-symbols-outlined {
    font-size: 24px;
    color: var(--md-sys-color-on-surface-variant);
}

.nav-rail__flyout-item.active .material-symbols-outlined {
    color: var(--md-sys-color-on-secondary-container);
}

/* Flyout backdrop overlay (click outside to close) */
.nav-rail__flyout-backdrop {
    position: fixed;
    inset: 0;
    left: 80px;
    z-index: 48;
    display: none;
}

.nav-rail__flyout-backdrop.open {
    display: block;
}

/* ── Page Hero ── */
.page-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 64px 56px;
    background: var(--md-sys-color-surface-container-low);
    border-radius: 0 0 var(--md-sys-shape-corner-extra-large) var(--md-sys-shape-corner-extra-large);
    min-height: 320px;
    gap: 64px;
    overflow: hidden;
}

.page-hero__text {
    max-width: 560px;
    flex-shrink: 0;
}

.page-hero__title {
    font-family: var(--md-sys-typescale-display-large-font);
    font-size: var(--md-sys-typescale-display-large-size);
    line-height: var(--md-sys-typescale-display-large-line-height);
    font-weight: var(--md-sys-typescale-display-large-weight);
    color: var(--md-sys-color-on-surface);
    margin-bottom: 16px;
}

.page-hero__subtitle {
    font-family: var(--md-sys-typescale-body-large-font);
    font-size: var(--md-sys-typescale-body-large-size);
    line-height: var(--md-sys-typescale-body-large-line-height);
    color: var(--md-sys-color-on-surface-variant);
    max-width: 480px;
}

/* Hero illustrations (CSS art) */
.hero-art-generic {
    width: 320px;
    height: 200px;
    flex-shrink: 0;
    border-radius: var(--md-sys-shape-corner-extra-large);
    background: linear-gradient(135deg, var(--md-sys-color-primary-container), var(--md-sys-color-tertiary-container));
    position: relative;
    overflow: hidden;
}

.hero-art-generic::before {
    content: '';
    position: absolute;
    right: -20px;
    top: -20px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--md-sys-color-primary);
    opacity: 0.2;
}

.hero-art-generic::after {
    content: '';
    position: absolute;
    left: 30px;
    bottom: -10px;
    width: 80px;
    height: 80px;
    border-radius: var(--md-sys-shape-corner-large);
    background: var(--md-sys-color-secondary);
    opacity: 0.15;
    transform: rotate(15deg);
}

/* ── Content Area ── */
.docs-content {
    padding: 40px 64px 80px;
    max-width: 1200px;
}

.docs-content-with-toc {
    display: flex;
    gap: 64px;
}

.docs-content-main {
    flex: 1;
    min-width: 0;
}

/* ── Section typography ── */
.section-heading {
    font-family: var(--md-sys-typescale-headline-small-font);
    font-size: var(--md-sys-typescale-headline-small-size);
    line-height: var(--md-sys-typescale-headline-small-line-height);
    font-weight: var(--md-sys-typescale-headline-small-weight);
    color: var(--md-sys-color-on-surface);
    margin-bottom: 16px;
    margin-top: 48px;
}

.section-heading:first-child {
    margin-top: 0;
}

.section-body {
    font-family: var(--md-sys-typescale-body-large-font);
    font-size: var(--md-sys-typescale-body-large-size);
    line-height: var(--md-sys-typescale-body-large-line-height);
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 24px;
    max-width: 680px;
}

.section-divider {
    height: 1px;
    background: var(--md-sys-color-outline-variant);
    border: none;
    margin: 40px 0;
}

/* ── Card Grid ── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

/* ── Component Cards ── */
.component-card {
    border-radius: var(--md-sys-shape-corner-medium);
    overflow: hidden;
    cursor: pointer;
    background: var(--md-sys-color-surface-container-low);
    transition: box-shadow var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized),
        transform var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
}

.component-card:hover {
    box-shadow: var(--md-sys-elevation-level2);
    transform: translateY(-2px);
}

.component-card__preview {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--md-sys-color-surface-container);
    padding: 24px;
}

/* Better contrast for preview icons in dark mode */
[data-theme="dark"] .component-card__preview .material-symbols-outlined {
    color: var(--md-sys-color-primary) !important;
}

/* Elevation preview: make shadow boxes visible in dark mode */
[data-theme="dark"] .component-card__preview div[style*="box-shadow"] {
    background: var(--md-sys-color-surface-container-high) !important;
    border: 1px solid var(--md-sys-color-outline-variant);
}

.component-card__body {
    padding: 16px;
}

.component-card__title {
    font-family: var(--md-sys-typescale-title-medium-font);
    font-size: var(--md-sys-typescale-title-medium-size);
    font-weight: var(--md-sys-typescale-title-medium-weight);
    color: var(--md-sys-color-on-surface);
    margin-bottom: 4px;
}

.component-card__subtitle {
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    color: var(--md-sys-color-on-surface-variant);
}

/* ── On This Page (TOC Sidebar) ── */
.on-this-page {
    width: 200px;
    flex-shrink: 0;
    position: sticky;
    top: 24px;
    align-self: flex-start;
}

.on-this-page__title {
    font-family: var(--md-sys-typescale-title-small-font);
    font-size: var(--md-sys-typescale-title-small-size);
    font-weight: var(--md-sys-typescale-title-small-weight);
    color: var(--md-sys-color-on-surface);
    margin-bottom: 12px;
}

.on-this-page__list {
    list-style: none;
}

.on-this-page__link {
    display: block;
    padding: 6px 12px;
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    color: var(--md-sys-color-on-surface-variant);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-linear);
}

.on-this-page__link:hover {
    color: var(--md-sys-color-on-surface);
}

.on-this-page__link.active {
    color: var(--md-sys-color-primary);
    border-left-color: var(--md-sys-color-primary);
}

/* ── Component Demo Boxes ── */
.demo-box {
    padding: 32px;
    background: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-sys-shape-corner-large);
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    justify-content: center;
}

.demo-box--column {
    flex-direction: column;
    align-items: flex-start;
}

/* ── Code blocks ── */
.code-block {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 20px 24px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--md-sys-color-on-surface);
    overflow-x: auto;
    margin-bottom: 24px;
}

.code-block code {
    color: inherit;
}

/* ── Spec Table ── */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.spec-table th {
    text-align: left;
    padding: 12px 16px;
    font-family: var(--md-sys-typescale-title-small-font);
    font-size: var(--md-sys-typescale-title-small-size);
    font-weight: var(--md-sys-typescale-title-small-weight);
    color: var(--md-sys-color-on-surface);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.spec-table td {
    padding: 12px 16px;
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    color: var(--md-sys-color-on-surface-variant);
    border-bottom: 1px solid var(--md-sys-color-surface-container);
}

/* ── Color Swatches ── */
.color-swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.color-swatch {
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 20px 16px 12px;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    font-family: var(--md-sys-typescale-label-medium-font);
    font-size: var(--md-sys-typescale-label-medium-size);
    font-weight: var(--md-sys-typescale-label-medium-weight);
}

/* Tonal palette strip */
.tonal-strip {
    display: flex;
    border-radius: var(--md-sys-shape-corner-medium);
    overflow: hidden;
    margin-bottom: 16px;
}

.tonal-strip__item {
    flex: 1;
    padding: 16px 8px 8px;
    min-height: 56px;
    font-family: var(--md-sys-typescale-label-small-font);
    font-size: var(--md-sys-typescale-label-small-size);
    font-weight: var(--md-sys-typescale-label-small-weight);
    display: flex;
    align-items: flex-end;
}

/* ── Guideline Cards (Do/Don't) ── */
.guideline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.guideline-card {
    border-radius: var(--md-sys-shape-corner-medium);
    overflow: hidden;
    background: var(--md-sys-color-surface-container-low);
}

.guideline-card__preview {
    height: 160px;
    background: var(--md-sys-color-surface-container);
}

.guideline-card__body {
    padding: 16px;
}

.guideline-card__tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--md-sys-typescale-label-large-font);
    font-size: var(--md-sys-typescale-label-large-size);
    font-weight: var(--md-sys-typescale-label-large-weight);
    margin-bottom: 8px;
}

.guideline-card__tag--do {
    color: #1b6e2d;
}

.guideline-card__tag--dont {
    color: var(--md-sys-color-error);
}

.guideline-card__text {
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    color: var(--md-sys-color-on-surface-variant);
}

/* ── Segmented Tabs (page-level) ── */
.page-tabs {
    display: flex;
    border-bottom: 1px solid var(--md-sys-color-surface-container-highest);
    margin-bottom: 40px;
    gap: 0;
}

.page-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    font-family: var(--md-sys-typescale-title-small-font);
    font-size: var(--md-sys-typescale-title-small-size);
    font-weight: var(--md-sys-typescale-title-small-weight);
    color: var(--md-sys-color-on-surface-variant);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--md-sys-motion-duration-short3) var(--md-sys-motion-easing-standard);
}

.page-tab:hover {
    color: var(--md-sys-color-on-surface);
}

.page-tab.active {
    color: var(--md-sys-color-primary);
    border-bottom-color: var(--md-sys-color-primary);
}

.page-tab .material-symbols-outlined {
    font-size: 20px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ── Blog Cards ── */
.blog-card {
    padding: 24px;
    border-radius: var(--md-sys-shape-corner-medium);
    background: var(--md-sys-color-surface-container-low);
    margin-bottom: 16px;
    transition: box-shadow var(--md-sys-motion-duration-short4) var(--md-sys-motion-easing-emphasized);
    cursor: pointer;
}

.blog-card:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

.blog-card--featured {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.blog-card__badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--md-sys-shape-corner-full);
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-family: var(--md-sys-typescale-label-medium-font);
    font-size: var(--md-sys-typescale-label-medium-size);
    font-weight: var(--md-sys-typescale-label-medium-weight);
    margin-bottom: 12px;
}

.blog-card__title {
    font-family: var(--md-sys-typescale-title-large-font);
    font-size: var(--md-sys-typescale-title-large-size);
    line-height: var(--md-sys-typescale-title-large-line-height);
    font-weight: var(--md-sys-typescale-title-large-weight);
    color: inherit;
    margin-bottom: 8px;
}

.blog-card__excerpt {
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: var(--md-sys-typescale-body-medium-size);
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 12px;
}

.blog-card--featured .blog-card__excerpt {
    color: inherit;
    opacity: 0.8;
}

.blog-card__meta {
    display: flex;
    gap: 12px;
    align-items: center;
    font-family: var(--md-sys-typescale-label-medium-font);
    font-size: var(--md-sys-typescale-label-medium-size);
    color: var(--md-sys-color-on-surface-variant);
}

.blog-card__tag {
    padding: 2px 8px;
    border-radius: var(--md-sys-shape-corner-full);
    background: var(--md-sys-color-surface-container);
    font-size: var(--md-sys-typescale-label-small-size);
}

/* ── Typography Preview Row ── */
.type-scale-row {
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--md-sys-color-surface-container);
}

.type-scale-row__label {
    width: 140px;
    flex-shrink: 0;
    font-family: var(--md-sys-typescale-label-small-font);
    font-size: var(--md-sys-typescale-label-small-size);
    color: var(--md-sys-color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.type-scale-row__preview {
    flex: 1;
    min-width: 0;
}

.type-scale-row__meta {
    flex-shrink: 0;
    text-align: right;
    font-family: var(--md-sys-typescale-body-small-font);
    font-size: var(--md-sys-typescale-body-small-size);
    color: var(--md-sys-color-on-surface-variant);
}

/* ── Elevation Showcase ── */
.elevation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.elevation-card {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--md-sys-shape-corner-medium);
    background: var(--md-sys-color-surface-container-low);
    font-family: var(--md-sys-typescale-label-large-font);
    font-size: var(--md-sys-typescale-label-large-size);
    color: var(--md-sys-color-on-surface);
    transition: box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}

/* Dark mode: elevation via surface tint overlay instead of shadows */
[data-theme="dark"] .elevation-card {
    border: 1px solid var(--md-sys-color-outline-variant);
}

[data-theme="dark"] .elevation-card[style*="level1"] {
    background: var(--md-sys-color-surface-container);
}

[data-theme="dark"] .elevation-card[style*="level2"] {
    background: var(--md-sys-color-surface-container-high);
}

[data-theme="dark"] .elevation-card[style*="level3"],
[data-theme="dark"] .elevation-card[style*="level4"],
[data-theme="dark"] .elevation-card[style*="level5"] {
    background: var(--md-sys-color-surface-container-highest);
}

/* ── Shape Showcase ── */
.shape-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.shape-card {
    height: 80px;
    background: var(--md-sys-color-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--md-sys-typescale-label-medium-font);
    font-size: var(--md-sys-typescale-label-medium-size);
    color: var(--md-sys-color-on-primary-container);
}

/* ── Steps list ── */
.step-list {
    counter-reset: step;
    list-style: none;
    margin-bottom: 32px;
}

.step-item {
    display: flex;
    gap: 16px;
    padding: 24px 0;
    border-bottom: 1px solid var(--md-sys-color-surface-container);
}

.step-item::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: var(--md-sys-shape-corner-full);
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-family: var(--md-sys-typescale-label-large-font);
    font-size: var(--md-sys-typescale-label-large-size);
    font-weight: var(--md-sys-typescale-label-large-weight);
}

.step-item__content {
    flex: 1;
}

.step-item__title {
    font-family: var(--md-sys-typescale-title-medium-font);
    font-size: var(--md-sys-typescale-title-medium-size);
    font-weight: var(--md-sys-typescale-title-medium-weight);
    color: var(--md-sys-color-on-surface);
    margin-bottom: 8px;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate),
        transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized-decelerate);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Search Overlay ── */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-emphasized);
}

.search-overlay.open {
    opacity: 1;
    visibility: visible;
}

.search-overlay__box {
    background: var(--md-sys-color-surface-container-high);
    border-radius: var(--md-sys-shape-corner-extra-large);
    padding: 16px 24px;
    width: 560px;
    box-shadow: var(--md-sys-elevation-level3);
}

.search-overlay__input {
    width: 100%;
    border: none;
    background: none;
    outline: none;
    font-family: var(--md-sys-typescale-body-large-font);
    font-size: var(--md-sys-typescale-body-large-size);
    color: var(--md-sys-color-on-surface);
    padding: 8px 0;
}

.search-overlay__hint {
    font-family: var(--md-sys-typescale-body-small-font);
    font-size: var(--md-sys-typescale-body-small-size);
    color: var(--md-sys-color-on-surface-variant);
    margin-top: 8px;
    text-align: center;
}

/* ── Responsive ── */
@media (max-width: 840px) {
    .nav-rail {
        display: none;
    }

    .nav-rail__flyout,
    .nav-rail__flyout-backdrop {
        display: none !important;
    }

    .docs-main {
        margin-left: 0;
    }

    .page-hero {
        padding: 48px 24px 40px;
        flex-direction: column;
        min-height: auto;
    }

    .page-hero__title {
        font-size: var(--md-sys-typescale-display-small-size);
    }

    .docs-content {
        padding: 24px;
    }

    .docs-content-with-toc {
        flex-direction: column;
    }

    .on-this-page {
        display: none;
    }

    .card-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .page-hero__illustration {
        display: none;
    }
}