/* ── Fonts ──────────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;1,14..32,400&display=swap');

/* ── Design tokens (light mode) ────────────────────────────────────────────── */
:root {
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
    --font-mono:  'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    --bg:                  #FFFFFF;
    --bg-subtle:           #F7F7F9;
    --bg-raised:           #EBEBED;
    --sidebar-bg:          #F7F7F9;
    --sidebar-border:      #E5E5EA;

    --fg-primary:          #111119;
    --fg-secondary:        #6B6B80;
    --fg-muted:            #9999A8;

    --accent:              #16A34A;
    --accent-hover:        #15803D;
    --accent-subtle:       rgba(22, 163, 74, 0.08);
    --accent-subtle-hover: rgba(22, 163, 74, 0.13);

    --border:              #E5E5EA;
    --border-strong:       #D0D0D8;

    --code-bg:             #F0F0F4;
    --code-fg:             #B8197A;

    --code-block-bg:       #EAEAEE;
    --code-block-fg:       #1A1A22;

    --tip-bg:              rgba(22, 163, 74, 0.07);
    --tip-border:          #16A34A;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* ── NxGrid overrides for light mode ─────────────────────────────────── */
    --nx-grid-selection-bg:     rgba(22, 163, 74, 0.10);
    --nx-grid-focus-cell-bg:    rgba(22, 163, 74, 0.08);
    --nx-grid-accent:           #16A34A;
    --nx-grid-accent-dark:      #15803D;
    --nx-grid-selection-border: #16A34A;
    --nx-grid-pick-border:      #16A34A;
    --nx-grid-item-hover-bg:    rgba(22, 163, 74, 0.07);
    --nx-grid-menu-icon:        #16A34A;
    --nx-grid-checkbox-border:  #D0D0D8;
    --nx-grid-checkbox-fill:    #16A34A;
    --nx-grid-checkbox-check:   #ffffff;
}

/* ── Design tokens (dark mode) ─────────────────────────────────────────────── */
html.site-dark, .site-dark {
    --bg:                  #0F0F11;
    --bg-subtle:           #161618;
    --bg-raised:           #1C1C1F;
    --sidebar-bg:          #111113;
    --sidebar-border:      rgba(255,255,255,0.06);

    --fg-primary:          #EDEDEF;
    --fg-secondary:        #8E8E9F;
    --fg-muted:            #606072;

    --accent:              #4ADE80;
    --accent-hover:        #86EFAC;
    --accent-subtle:       rgba(74, 222, 128, 0.12);
    --accent-subtle-hover: rgba(74, 222, 128, 0.18);

    --border:              #252530;
    --border-strong:       #38383F;

    --code-bg:             #161618;
    --code-fg:             #E07AC0;

    --code-block-bg:       #1C1C1F;
    --code-block-fg:       #DDDDE8;

    --tip-bg:              rgba(74, 222, 128, 0.08);
    --tip-border:          #4ADE80;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.45), 0 2px 4px rgba(0,0,0,0.3);

    /* ── NxGrid overrides for dark mode ──────────────────────────────────── */
    --nx-grid-fg:               #EDEDEF;
    --nx-grid-border:           #252530;
    --nx-grid-header-bg:        #161618;
    --nx-grid-header-border:    #252530;
    --nx-grid-row-even-bg:      #0F0F11;
    --nx-grid-row-odd-bg:       #131316;
    --nx-grid-surface:          #0F0F11;
    --nx-grid-selection-bg:     rgba(74, 222, 128, 0.12);
    --nx-grid-selected-border:  #3A3A48;
    --nx-grid-focus-cell-bg:    rgba(74, 222, 128, 0.10);
    --nx-grid-accent:           #4ADE80;
    --nx-grid-accent-dark:      #16A34A;
    --nx-grid-selection-border: #4ADE80;
    --nx-grid-pick-border:      #4ADE80;
    --nx-grid-row-number-fg:    #606072;
    --nx-grid-icon-fg:          #8E8E9F;
    --nx-grid-icon-muted-fg:    #606072;
    --nx-grid-hover-bg:         #1C1C1F;
    --nx-grid-item-hover-bg:    rgba(74, 222, 128, 0.10);
    --nx-grid-muted-fg:         #606072;
    --nx-grid-shadow:           rgba(0,0,0,0.6);
    --nx-grid-group-header-bg:  #161618;
    --nx-grid-group-header-fg:  #8E8E9F;
    --nx-grid-footer-bg:        #161618;
    --nx-grid-menu-bg:          #1C1C1F;
    --nx-grid-menu-icon:        #4ADE80;
    --nx-grid-checkbox-border:  #3A3A48;
    --nx-grid-checkbox-bg:      #1C1C1F;
    --nx-grid-checkbox-fill:    #4ADE80;
    --nx-grid-checkbox-check:   #0F0F11;
}

/* ── Reset & base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scrollbar-gutter: stable; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--fg-primary);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1 { margin: 0 0 6px; font-size: 22px; font-weight: 600; color: var(--fg-primary); letter-spacing: -0.022em; }
h2 { margin: 0; color: var(--fg-primary); letter-spacing: -0.012em; }
p  { margin: 0; }
a  { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    background: var(--code-bg);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--code-fg);
}

/* ── App layout ────────────────────────────────────────────────────────────── */

.layout-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.doc-body {
    display: flex;
    flex: 1;
    min-height: 0;
    padding-left: 32px;
}

body:has(.site-dark) { background: #0F0F11; }

.nav-sidebar {
    position: sticky;
    top: 57px;
    height: calc(100vh - 57px);
    width: 216px;
    background: var(--bg);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

/* ── Sidebar logo mark (shared with landing nav) ───────────────────────────── */

.nav-logo-mark {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--accent);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0;
}

/* ── Sidebar navigation ────────────────────────────────────────────────────── */

.nav-sidebar > nav {
    padding: 6px 0 8px;
    flex: 1;
}

.nav-sidebar nav a {
    display: block;
    padding: 4px 12px 4px 14px;
    border-left: 2px solid transparent;
    color: var(--fg-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    margin: 0 0 1px;
    transition: color 0.1s, border-color 0.1s;
    line-height: 1.45;
}

.nav-sidebar nav a:hover { color: var(--fg-primary); text-decoration: none; }
.nav-sidebar nav a.active { border-left-color: var(--accent); color: var(--fg-primary); font-weight: 500; }

.nav-group-label {
    padding: 7px 12px 3px 12px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--fg-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    user-select: none;
    font-family: inherit;
    margin-top: 4px;
    transition: color 0.1s;
}

.nav-group-label:hover { color: var(--fg-secondary); }

.nav-chevron {
    display: inline-block;
    font-size: 13px;
    line-height: 1;
    font-style: normal;
    letter-spacing: 0;
    text-transform: none;
    opacity: 0.4;
    transform: rotate(0deg);
    transition: transform 0.15s ease, opacity 0.15s;
}

.nav-chevron.open {
    transform: rotate(90deg);
    opacity: 0.7;
}

/* ── Main content ──────────────────────────────────────────────────────────── */

.main-content {
    flex: 1;
    min-width: 0;
    padding: 32px 42px 60px;
    background: var(--bg);
    color: var(--fg-primary);
}

/* ── Doc page components ───────────────────────────────────────────────────── */

.doc-intro {
    color: var(--fg-secondary);
    font-size: 14px;
    margin: 6px 0 32px;
    max-width: 680px;
    line-height: 1.65;
}

.doc-section { margin-bottom: 42px; }

.doc-section > h2 {
    font-size: 13px;
    font-weight: 600;
    color: var(--fg-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.01em;
}

.doc-note {
    font-size: 13px;
    color: var(--fg-secondary);
    margin-bottom: 10px;
    line-height: 1.55;
}

.doc-para {
    margin: 0 0 12px;
    font-size: 13.5px;
    color: var(--fg-secondary);
    line-height: 1.6;
}

.doc-output {
    margin-top: 8px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 9px 14px;
    font-size: 13px;
    color: var(--fg-secondary);
    min-height: 36px;
    font-family: var(--font-mono);
}

.doc-code {
    background: var(--code-block-bg);
    color: var(--code-block-fg);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 12.5px;
    line-height: 1.65;
    margin: 0;
    font-family: var(--font-mono);
    white-space: pre;
    border: 1px solid var(--border);
}

.doc-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.doc-controls label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--fg-primary);
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */

.doc-btn {
    padding: 5px 13px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    line-height: 1.4;
    transition: background 0.12s, opacity 0.12s;
}

.doc-btn:hover  { background: var(--accent-hover); }
.doc-btn:active { opacity: 0.8; }

.doc-btn-secondary {
    background: var(--bg-subtle);
    color: var(--fg-primary);
    border: 1px solid var(--border);
}

.doc-btn-secondary:hover { background: var(--bg-raised); border-color: var(--border-strong); }

/* ── Tables ────────────────────────────────────────────────────────────────── */

.doc-table {
    border-collapse: collapse;
    font-size: 13px;
    width: 100%;
}

.doc-table th {
    background: var(--bg-subtle);
    padding: 8px 12px;
    text-align: left;
    border: 1px solid var(--border);
    font-weight: 600;
    white-space: nowrap;
    color: var(--fg-primary);
    font-size: 12px;
    letter-spacing: 0.01em;
}

.doc-table td {
    padding: 7px 12px;
    border: 1px solid var(--border);
    vertical-align: top;
    color: var(--fg-secondary);
}

.doc-table td:first-child {
    font-family: var(--font-mono);
    font-size: 12px;
    white-space: nowrap;
    color: var(--accent);
}

/* ── Callouts ──────────────────────────────────────────────────────────────── */

.doc-tip {
    background: var(--tip-bg);
    border-left: 2px solid var(--tip-border);
    padding: 10px 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px;
    color: var(--fg-secondary);
    margin: 10px 0;
    line-height: 1.55;
}

.doc-kbd {
    display: inline-block;
    padding: 2px 7px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-bottom: 2px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 11.5px;
    font-family: var(--font-mono);
    white-space: nowrap;
    color: var(--fg-secondary);
}

/* ── Save log ──────────────────────────────────────────────────────────────── */

.doc-log {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.8;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    max-height: 220px;
    overflow-y: auto;
    color: var(--fg-secondary);
}

/* ── Row-mode master-detail layout ────────────────────────────────────────── */

.doc-demo-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.doc-demo-grid { flex: 1 1 0; min-width: 0; }

.doc-detail-panel {
    flex: 0 0 224px;
    min-height: 260px;
    display: flex;
    align-items: flex-start;
}

.doc-detail-empty {
    width: 100%;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg-muted);
    font-size: 13px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
}

.doc-detail-card {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    background: var(--bg-subtle);
    font-size: 13px;
}

.doc-detail-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--accent);
    letter-spacing: -0.01em;
}

.doc-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
    gap: 8px;
}

.doc-detail-row:last-child { border-bottom: none; }
.doc-detail-row span:first-child { color: var(--fg-muted); }
.doc-detail-row span:last-child  { font-weight: 500; text-align: right; color: var(--fg-primary); }

/* ── Home page feature cards ───────────────────────────────────────────────── */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 6px;
}

.feature-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    text-decoration: none;
    color: inherit;
    display: block;
    background: var(--bg-subtle);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.feature-card:hover {
    border-color: var(--accent);
    background: var(--accent-subtle-hover);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.feature-card-title { font-weight: 600; font-size: 13.5px; margin-bottom: 5px; color: var(--fg-primary); }
.feature-card-desc  { font-size: 12.5px; color: var(--fg-secondary); line-height: 1.5; }

/* ── Hamburger for docs layout (mobile only) ───────────────────────────────── */

.doc-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 2px;
    flex-shrink: 0;
    margin-right: 4px;
}

.doc-hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--fg-secondary);
    border-radius: 2px;
    transition: background 0.1s;
}

.doc-hamburger:hover span { background: var(--fg-primary); }

.nav-overlay { display: none; }

/* ── Responsive ────────────────────────────────────────────────────────────── */

/* Wide desktop: cap and center the doc body so it doesn't span 27"+ monitors.
   The nav bar intentionally spans the full viewport width via .nav-inner. */
@media (min-width: 1536px) {
    .doc-body {
        max-width: 1536px;
        margin: 0 auto;
        width: 100%;
    }
}

/* Tablet / small laptop (iPad landscape and below) */
@media (max-width: 1100px) {
    .nav-sidebar  { width: 188px; }
    .main-content { padding: 24px 28px 48px; }
}

/* Mobile (portrait phones, iPad portrait) */
@media (max-width: 768px) {
    .layout-container {
        height: 100dvh;
        min-height: unset;
        overflow: hidden;
    }

    .doc-body {
        flex: 1;
        min-height: 0;
        overflow: hidden;
        position: relative;
        padding-left: 0;
    }

    /* ── Show hamburger on mobile ── */
    .doc-hamburger { display: flex; }

    /* ── Drawer backdrop ── */
    .nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 199;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s;
    }

    .nav-open .nav-overlay {
        opacity: 1;
        pointer-events: auto;
    }

    /* ── Drawer sidebar ── */
    .nav-sidebar {
        position: fixed;
        left: 0;
        top: 57px;
        bottom: 0;
        width: 272px;
        height: auto;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-md);
    }

    .nav-open .nav-sidebar {
        transform: translateX(0);
    }

    /* ── Main content ── */
    .main-content {
        padding: 20px 16px 48px;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
    }

    /* Stack master-detail panels vertically */
    .doc-demo-row    { flex-direction: column; }
    .doc-detail-panel { flex: none; width: 100%; }

    /* Tables scroll horizontally instead of breaking layout */
    .doc-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .main-content { padding: 16px 12px 40px; }
    h1 { font-size: 19px; }
}

/* ══════════════════════════════════════════════════════════════════════════
   Landing / home page layout
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Landing shell ─────────────────────────────────────────────────────────── */
.landing-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--fg-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
}

body:has(.landing-shell.site-dark) { background: #0F0F11; }

/* ── Landing top nav ──────────────────────────────────────────────────────── */
.landing-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 32px;
    gap: 8px;
    max-width: 1536px;
    margin: 0 auto;
    width: 100%;
}

.landing-nav-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--fg-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.02em;
    flex-shrink: 0;
    margin-right: 16px;
}

.landing-nav-logo:hover { text-decoration: none; color: var(--fg-primary); }

.landing-nav-links {
    display: flex;
    gap: 2px;
    align-items: center;
    flex: 1;
}

.landing-nav-links a {
    color: var(--fg-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 450;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: color 0.1s, background 0.1s;
}

.landing-nav-links a:hover {
    color: var(--fg-primary);
    background: var(--bg-subtle);
    text-decoration: none;
}

.landing-nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.landing-nav-github {
    display: flex;
    align-items: center;
    color: var(--fg-secondary);
    transition: color 0.1s;
}

.landing-nav-github:hover { color: var(--fg-primary); text-decoration: none; }

.landing-nav-theme {
    background: none;
    border: 1px solid var(--border);
    color: var(--fg-muted);
    border-radius: var(--radius-sm);
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.1s, color 0.1s, border-color 0.1s;
    font-family: inherit;
    padding: 0;
}

.landing-nav-theme:hover {
    background: var(--bg-raised);
    color: var(--fg-secondary);
    border-color: var(--border-strong);
}

/* ── Site search ───────────────────────────────────────────────────────────── */

.site-search {
    position: relative;
}

.site-search-input-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 8px;
    height: 30px;
    width: 180px;
    transition: border-color 0.1s, background 0.1s, width 0.15s ease;
}

.site-search-input-wrap:focus-within {
    border-color: var(--accent);
    background: var(--bg);
    width: 220px;
}

.site-search-icon {
    color: var(--fg-muted);
    flex-shrink: 0;
}

.site-search-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: none;
    outline: none;
    font-size: 13px;
    color: var(--fg-primary);
    font-family: inherit;
}

.site-search-input::placeholder { color: var(--fg-muted); }

/* hide native clear button from type=search */
.site-search-input::-webkit-search-cancel-button { display: none; }

.site-search-hint {
    font-size: 10.5px;
    color: var(--fg-muted);
    flex-shrink: 0;
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
}

.site-search-input-wrap:focus-within .site-search-hint {
    display: none;
}

.site-search-results {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 320px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 300;
    max-height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.site-search-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    font-family: inherit;
    gap: 10px;
    transition: background 0.1s;
    flex-shrink: 0;
}

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

.site-search-result:hover,
.site-search-result.is-active {
    background: var(--accent-subtle);
}

.site-search-result-title {
    font-size: 13px;
    color: var(--fg-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
}

.site-search-result-cat {
    font-size: 10.5px;
    color: var(--fg-muted);
    flex-shrink: 0;
    background: var(--bg-raised);
    padding: 1px 6px;
    border-radius: 10px;
    white-space: nowrap;
}

.site-search-empty {
    padding: 12px 14px;
    font-size: 13px;
    color: var(--fg-muted);
    text-align: left;
}

.site-search-empty strong { color: var(--fg-secondary); font-weight: 500; }

/* ── Search highlight animation ─────────────────────────────────────────── */

@keyframes search-highlight-fade {
    0%   { background-color: var(--accent-subtle); outline: 2px solid var(--accent); outline-offset: 4px; }
    60%  { background-color: var(--accent-subtle); outline: 2px solid var(--accent); outline-offset: 4px; }
    100% { background-color: transparent; outline: 2px solid transparent; outline-offset: 4px; }
}

.search-highlight-active {
    animation: search-highlight-fade 2.2s ease-out forwards;
    border-radius: 2px;
}

/* ── Search responsive ──────────────────────────────────────────────────── */

@media (max-width: 900px) {
    .site-search-input-wrap { width: 140px; }
    .site-search-input-wrap:focus-within { width: 180px; }
    .site-search-hint { display: none; }
    .site-search-results { width: 280px; }
}

@media (max-width: 600px) {
    .site-search { display: none; }
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero-section {
    text-align: center;
    padding: 72px 24px 48px;
    max-width: 700px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid rgba(22, 163, 74, 0.2);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12.5px;
    font-weight: 500;
    margin-bottom: 28px;
    letter-spacing: -0.005em;
    text-decoration: none;
    transition: background 0.1s;
}

.hero-badge:hover { background: var(--accent-subtle-hover); text-decoration: none; color: var(--accent); }
.site-dark .hero-badge { border-color: rgba(74, 222, 128, 0.2); }

.hero-headline {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.09;
    letter-spacing: -0.04em;
    color: var(--fg-primary);
    margin: 0 0 18px;
}

.hero-sub {
    font-size: 17px;
    color: var(--fg-secondary);
    line-height: 1.6;
    max-width: 520px;
    margin: 0 auto 36px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 22px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: background 0.12s;
}

.hero-btn-primary:hover { background: var(--accent-hover); text-decoration: none; color: #fff; }

.hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 22px;
    background: transparent;
    color: var(--fg-primary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: background 0.12s, border-color 0.12s;
}

.hero-btn-secondary:hover { background: var(--bg-subtle); text-decoration: none; color: var(--fg-primary); }

/* ── Browser-frame mockup ─────────────────────────────────────────────────── */
.hero-mockup-wrap {
    max-width: 920px;
    margin: 52px auto 0;
    padding: 0 24px;
}

.browser-frame {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 24px 64px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06);
}

.site-dark .browser-frame {
    box-shadow: 0 24px 64px rgba(0,0,0,0.50), 0 8px 24px rgba(0,0,0,0.35);
}

.browser-frame-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    height: 36px;
    background: var(--bg-raised, #e8e8e8);
    border-bottom: 1px solid var(--border, rgba(0,0,0,0.12));
    flex-shrink: 0;
}

.browser-bar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.browser-app-icon {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: #16A34A;
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.browser-win-title {
    font-size: 12.5px;
    color: var(--fg-muted, rgba(0,0,0,0.5));
    font-weight: 400;
    letter-spacing: 0.01em;
}

.browser-win-controls {
    display: flex;
    gap: 6px;
}

.browser-btn {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-subtle, #c0c0c0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--fg-muted, rgba(0,0,0,0.45));
    cursor: pointer;
    line-height: 1;
    font-style: normal;
    transition: background 0.15s, color 0.15s;
}

.browser-btn:hover { background: var(--bg-raised, #a8a8a8); color: var(--fg-secondary, rgba(0,0,0,0.7)); }

.browser-btn-close { background: #a33; color: rgba(255,255,255,0.8); }
.browser-btn-close:hover { background: #cc3333; color: #fff; }

.browser-frame-body { background: var(--bg); display: flex; flex-direction: column; }

/* ── Browser frame easter egg animations ──────────────────────────────────── */
@keyframes frame-shake {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    15%       { transform: translateX(-7px) rotate(-0.6deg); }
    30%       { transform: translateX(7px)  rotate(0.6deg); }
    45%       { transform: translateX(-5px) rotate(-0.4deg); }
    60%       { transform: translateX(5px)  rotate(0.4deg); }
    75%       { transform: translateX(-3px); }
    90%       { transform: translateX(3px); }
}

@keyframes frame-maximize {
    0%   { transform: scale(1); }
    35%  { transform: scale(1.04); }
    65%  { transform: scale(0.985); }
    100% { transform: scale(1); }
}

@keyframes frame-minimize {
    0%   { transform: translateY(0); }
    35%  { transform: translateY(8px); }
    65%  { transform: translateY(-3px); }
    100% { transform: translateY(0); }
}

@keyframes toast-in-out {
    0%   { opacity: 0; transform: translate(-50%, -60%); }
    15%  { opacity: 1; transform: translate(-50%, -50%); }
    70%  { opacity: 1; transform: translate(-50%, -50%); }
    100% { opacity: 0; transform: translate(-50%, -50%); }
}

.browser-frame-shaking   { animation: frame-shake    0.55s ease-in-out; }
.browser-frame-maximizing { animation: frame-maximize 0.45s ease-out; }
.browser-frame-minimizing { animation: frame-minimize 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94); }

.hero-mockup-wrap { position: relative; }

.browser-close-toast {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.78);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    pointer-events: none;
    white-space: nowrap;
    animation: toast-in-out 2.35s ease-in-out forwards;
}

/* ── Landing sections ─────────────────────────────────────────────────────── */
.landing-section {
    max-width: 960px;
    margin: 0 auto;
    padding: 72px 24px;
}

.landing-section-label {
    text-align: center;
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.landing-section-headline {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--fg-primary);
    margin: 0 0 40px;
}

.landing-feat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.landing-feat-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    text-decoration: none;
    color: inherit;
    background: var(--bg-subtle);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s, transform 0.15s;
    display: block;
}

.landing-feat-card:hover {
    border-color: var(--accent);
    background: var(--accent-subtle-hover);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    transform: translateY(-1px);
    color: inherit;
}

.landing-feat-icon { font-size: 20px; margin-bottom: 10px; display: block; line-height: 1; }
.landing-feat-title { font-weight: 600; font-size: 14px; color: var(--fg-primary); margin-bottom: 5px; }
.landing-feat-desc  { font-size: 12.5px; color: var(--fg-secondary); line-height: 1.5; }

/* ── Landing CTA strip ────────────────────────────────────────────────────── */
.landing-cta-strip {
    background: var(--bg-subtle);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 64px 24px;
}

.landing-cta-strip h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--fg-primary);
    margin: 0 0 12px;
}

.landing-cta-strip p {
    color: var(--fg-secondary);
    font-size: 15px;
    margin: 0 0 28px;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ── Landing responsive ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-inner { padding: 0 16px; }
    .hero-section { padding: 48px 16px 36px; }
    .hero-headline { font-size: 36px; }
    .hero-sub { font-size: 15px; }
    .hero-mockup-wrap { padding: 0 12px; margin-top: 36px; }
    .landing-section { padding: 48px 16px; }
    .landing-section-headline { font-size: 24px; }
    .landing-cta-strip { padding: 48px 16px; }
}

@media (max-width: 480px) {
    .landing-nav-links { display: none; }
    .hero-headline { font-size: 30px; }
    .hero-section { padding: 40px 16px 32px; }
    .landing-feat-grid { grid-template-columns: 1fr 1fr; }
}

/* FullWidthDocLayout: constrain content to same max-width as nav-inner */
.full-doc-content {
    max-width: 1536px;
    margin: 0 auto;
    width: 100%;
}

/* ══════════════════════════════════════════════════════════════════════════
   Playground page
   ══════════════════════════════════════════════════════════════════════════ */

.playground-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.playground-panel {
    flex: 0 0 256px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 16px 16px;
    background: var(--bg-subtle);
    position: sticky;
    top: 16px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    align-self: flex-start;
}

.playground-panel-title {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--fg-muted);
    margin: 0 0 14px;
}

.pg-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin: 0 0 14px;
}

.pg-tab {
    padding: 5px 12px 6px;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--fg-muted);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-family: inherit;
    user-select: none;
    transition: color 0.1s;
}

.pg-tab:hover { color: var(--fg-secondary); }
.pg-tab.is-active { color: var(--fg-primary); border-bottom-color: var(--accent); }

.pg-section-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-muted);
    margin: 0 0 12px;
}

.pg-inline-field {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 14px;
}

.pg-input {
    width: 100%;
    padding: 4px 7px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--fg-primary);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.1s;
    box-sizing: border-box;
}

.pg-input:focus { border-color: var(--accent); }
.pg-input-narrow { width: 64px; text-align: right; }

/* Column accordion */
.pg-col-accordion { margin-bottom: 1px; }

.pg-col-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
    width: 100%;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    padding: 5px 6px;
    font-size: 12.5px;
    font-family: inherit;
    color: var(--fg-secondary);
    cursor: pointer;
    text-align: left;
    transition: background 0.1s, color 0.1s;
    user-select: none;
}

.pg-col-trigger:hover { background: var(--bg-raised); color: var(--fg-primary); }
.pg-col-trigger.is-open { background: var(--accent-subtle); color: var(--fg-primary); }

.pg-col-arrow {
    font-size: 11px;
    width: 10px;
    flex-shrink: 0;
    line-height: 1;
}

.pg-col-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 500;
    color: var(--fg-muted);
    background: var(--bg-raised);
    border-radius: 10px;
    padding: 1px 6px;
    flex-shrink: 0;
}

.pg-col-fields {
    padding: 8px 8px 10px 18px;
    border-left: 2px solid var(--border);
    margin: 2px 0 4px 12px;
}

.pg-field { margin-bottom: 8px; }
.pg-field:last-child { margin-bottom: 0; }

.pg-field-label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--fg-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 3px;
}

.pg-field-row {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}

.pg-field-row .pg-field {
    flex: 1;
    min-width: 0;
    margin-bottom: 0;
}

.pg-field-checks {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-top: 4px;
}

.pg-control-group { margin-bottom: 14px; }

.pg-control-label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--fg-primary);
    margin-bottom: 6px;
    letter-spacing: -0.005em;
}

.pg-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--fg-secondary);
    padding: 3px 0;
    user-select: none;
}

.pg-toggle:hover { color: var(--fg-primary); }
.pg-toggle input { cursor: pointer; accent-color: var(--accent); }

.pg-radio {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--fg-secondary);
    padding: 3px 0;
    cursor: pointer;
    user-select: none;
}

.pg-radio:hover { color: var(--fg-primary); }
.pg-radio input { cursor: pointer; accent-color: var(--accent); }

.pg-select {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--fg-primary);
    font-size: 12.5px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: border-color 0.1s;
}

.pg-select:focus { border-color: var(--accent); }

.pg-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 12px 0;
}

.playground-grid { flex: 1; min-width: 0; }

@media (max-width: 768px) {
    .playground-layout { flex-direction: column; }
    .playground-panel { position: static; flex: none; width: 100%; }
}