:root {
    --kp-primary: #1E4F91;
    --kp-accent: #347DD6;
    --kp-signal: #FFB000;
    --kp-dark: #0E1E31;
    --kp-white: #FFFFFF;
    --kp-radius-lg: 24px;
    --kp-radius-md: 16px;
    --kp-sidebar-width: 316px;
    --kp-toc-width: 300px;
    --kp-font-body: "Open Sans", sans-serif;
    --kp-font-heading: "Red Hat Display", sans-serif;
}

[data-bs-theme="dark"] {
    --kp-bg: #0E1E31;
    --kp-bg-soft: #122941;
    --kp-bg-panel: rgba(14, 30, 49, 0.94);
    --kp-bg-elevated: #142D49;
    --kp-text: #FFFFFF;
    --kp-body-text: #DCE7F4;
    --kp-muted: #C6D3E1;
    --kp-line: rgba(255, 255, 255, 0.12);
    --kp-line-strong: rgba(52, 125, 214, 0.52);
    --kp-shadow: rgba(0, 0, 0, 0.34);
    --kp-code-bg: #0A1727;
    --kp-active: #347DD6;
    --kp-link: #8EC5FF;
    --kp-grid-opacity: 0.08;
    --kp-glow-primary: rgba(52, 125, 214, 0.28);
    --kp-glow-signal: rgba(255, 176, 0, 0.13);
}

[data-bs-theme="light"] {
    --kp-bg: #F7FAFE;
    --kp-bg-soft: #FFFFFF;
    --kp-bg-panel: rgba(255, 255, 255, 0.98);
    --kp-bg-elevated: #ffffff;
    --kp-text: #071A2F;
    --kp-body-text: #24384D;
    --kp-muted: #465D74;
    --kp-line: #C9D8E8;
    --kp-line-strong: rgba(30, 79, 145, 0.40);
    --kp-shadow: rgba(14, 30, 49, 0.10);
    --kp-code-bg: #F0F6FC;
    --kp-active: #1E4F91;
    --kp-link: #1E4F91;
    --kp-grid-opacity: 0.08;
    --kp-glow-primary: rgba(52, 125, 214, 0.10);
    --kp-glow-signal: rgba(255, 176, 0, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--kp-text);
    font-family: var(--kp-font-body);
    background:
        linear-gradient(90deg, rgba(52, 125, 214, var(--kp-grid-opacity)) 1px, transparent 1px),
        linear-gradient(0deg, rgba(52, 125, 214, var(--kp-grid-opacity)) 1px, transparent 1px),
        radial-gradient(circle at 12% 8%, var(--kp-glow-primary), transparent 28rem),
        radial-gradient(circle at 78% 10%, var(--kp-glow-signal), transparent 24rem),
        linear-gradient(135deg, var(--kp-bg), var(--kp-bg-soft));
    background-size: 42px 42px, 42px 42px, auto, auto, auto;
    transition: background-color 220ms ease, color 220ms ease;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1100;
    padding: 0.65rem 0.9rem;
    color: var(--kp-white);
    background: var(--kp-accent);
    border-radius: 999px;
    transform: translateY(-140%);
    transition: transform 160ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.docs-shell {
    display: grid;
    grid-template-columns: var(--kp-sidebar-width) minmax(0, 1fr) var(--kp-toc-width);
    min-height: 100vh;
}

.docs-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    min-width: 0;
    border-right: 1px solid var(--kp-line);
    background: var(--kp-bg-panel);
    backdrop-filter: blur(18px);
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.sidebar-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1.1rem 0.7rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.62rem;
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: -0.04em;
}

.brand.compact {
    font-size: 1rem;
}

.brand-logo {
    display: block;
    width: 184px;
    max-width: 100%;
    height: auto;
}

.brand.compact .brand-logo {
    width: 150px;
}

.brand-logo-inverse {
    display: none;
}

[data-bs-theme="dark"] .brand-logo-primary {
    display: none;
}

[data-bs-theme="dark"] .brand-logo-inverse {
    display: block;
}

.icon-btn {
    display: inline-grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: var(--kp-muted);
    border: 1px solid var(--kp-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.02);
}

.icon-btn:hover,
.icon-btn:focus {
    color: var(--kp-text);
    border-color: var(--kp-line-strong);
}

.search-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% - 2.2rem);
    margin: 0.55rem 1.1rem 1rem;
    padding: 0.72rem 0.78rem;
    color: var(--kp-muted);
    text-align: left;
    background: var(--kp-bg-soft);
    border: 1px solid var(--kp-line);
    border-radius: 14px;
}

.search-trigger:hover {
    color: var(--kp-text);
    border-color: var(--kp-line-strong);
}

.search-trigger kbd {
    color: var(--kp-muted);
    background: transparent;
    border: 0;
    font-size: 0.74rem;
}

.sidebar-nav {
    flex: 1;
    min-height: 0;
    padding: 0 1rem 1rem;
    overflow-y: auto;
    scrollbar-color: var(--kp-muted) transparent;
}

.nav-section {
    margin: 0 0 1.35rem;
}

.nav-section-title {
    margin: 0.7rem 0 0.45rem;
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 35px;
    padding: 0.36rem 0.55rem;
    color: var(--kp-muted);
    text-decoration: none;
    border-left: 2px solid transparent;
    border-radius: 0 10px 10px 0;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.sidebar-link i {
    width: 18px;
    color: color-mix(in srgb, var(--kp-muted) 78%, transparent);
    font-size: 0.95rem;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: var(--kp-text);
    background: rgba(52, 125, 214, 0.10);
    border-color: var(--kp-active);
}

.sidebar-link.active {
    color: var(--kp-active);
    font-weight: 700;
}

.sidebar-footer {
    padding: 0.8rem 1rem 1rem;
    border-top: 1px solid var(--kp-line);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.35rem;
    color: var(--kp-muted);
    text-decoration: none;
}

.sidebar-footer a:hover {
    color: var(--kp-text);
}

.language-select {
    margin-top: 0.6rem;
}

.language-select label {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--kp-muted);
    font-size: 0.78rem;
}

.docs-main {
    min-width: 0;
}

.docs-topnav {
    position: sticky;
    top: 0;
    z-index: 20;
    align-items: center;
    gap: 1.45rem;
    height: 42px;
    padding: 0 2.5rem;
    border-bottom: 1px solid var(--kp-line);
    background: color-mix(in srgb, var(--kp-bg-panel) 88%, transparent);
    backdrop-filter: blur(20px);
}

.topnav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    height: 42px;
    color: var(--kp-muted);
    font-size: 0.92rem;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}

.topnav-link:hover,
.topnav-link.active {
    color: var(--kp-text);
}

.topnav-link.active {
    border-color: var(--kp-active);
}

.docs-content {
    width: min(100%, 980px);
    padding: 4rem 3rem 7rem;
}

.doc-article {
    max-width: 860px;
}

.article-eyebrow {
    margin-bottom: 0.7rem;
    color: var(--kp-active);
    font-family: var(--kp-font-heading);
    font-size: 0.86rem;
    font-weight: 700;
}

.article-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 2.8rem;
}

.article-header h1 {
    margin: 0;
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
    font-size: clamp(2.15rem, 5vw, 3.75rem);
    font-weight: 700;
    letter-spacing: -0.07em;
    line-height: 1;
}

.lead {
    max-width: 860px;
    margin-top: 1rem;
    color: var(--kp-muted);
    font-size: clamp(1.05rem, 1.5vw, 1.24rem);
    line-height: 1.75;
}

.article-actions {
    padding-top: 0.2rem;
}

.copy-menu {
    position: relative;
}

.copy-menu-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0;
    min-height: 38px;
    padding: 0;
    color: var(--kp-text);
    background: var(--kp-bg-elevated);
    border: 1px solid var(--kp-line);
    border-radius: 12px;
    box-shadow: 0 10px 28px var(--kp-shadow);
    overflow: hidden;
}

.copy-menu-trigger:hover,
.copy-menu-trigger:focus {
    color: var(--kp-text);
    border-color: var(--kp-line-strong);
    background: color-mix(in srgb, var(--kp-bg-elevated) 84%, var(--kp-active));
}

.copy-menu-trigger-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.48rem 0.85rem;
    font-weight: 700;
}

.copy-menu-trigger-divider {
    align-self: stretch;
    width: 1px;
    background: var(--kp-line);
}

.copy-menu-chevron {
    display: inline-grid;
    width: 38px;
    place-items: center;
    color: var(--kp-text);
    font-size: 0.9rem;
}

.copy-menu-list {
    display: block;
    position: absolute;
    top: calc(100% + 0.55rem);
    right: 0;
    z-index: 1050;
    min-width: 268px;
    padding: 0.45rem;
    background: var(--kp-bg-elevated);
    border: 1px solid var(--kp-line);
    border-radius: 14px;
    box-shadow: 0 20px 50px var(--kp-shadow);
}

.copy-menu-list[hidden] {
    display: none !important;
}

.copy-menu-list.is-open {
    display: block !important;
}

.copy-menu-list .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.68rem;
    min-height: 38px;
    padding: 0.55rem 0.65rem;
    color: var(--kp-body-text);
    border-radius: 10px;
    font-size: 0.93rem;
}

.copy-menu-list .dropdown-item i:first-child {
    width: 20px;
    color: color-mix(in srgb, var(--kp-active) 68%, var(--kp-muted));
    font-size: 1.05rem;
}

.ai-menu-logo {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    object-fit: contain;
}

[data-bs-theme="dark"] .ai-menu-logo[src$="chatgpt.svg"] {
    filter: invert(1);
}

.copy-menu-list .dropdown-item:hover,
.copy-menu-list .dropdown-item:focus {
    color: var(--kp-text);
    background: rgba(52, 125, 214, 0.11);
}

.copy-menu-list .dropdown-divider {
    margin: 0.35rem 0.25rem;
    border-color: var(--kp-line);
}

.copy-menu-list .external-cue {
    margin-left: auto;
    color: var(--kp-muted);
    font-size: 0.82rem;
}

.doc-article h2,
.doc-article h3,
.doc-article h4 {
    scroll-margin-top: 5.5rem;
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
    letter-spacing: -0.045em;
}

.doc-article h2 {
    margin-top: 3.3rem;
    margin-bottom: 1.05rem;
    font-size: clamp(1.5rem, 2vw, 2rem);
    line-height: 1.2;
}

.doc-article h3 {
    margin-top: 2.25rem;
    margin-bottom: 0.85rem;
    font-size: 1.32rem;
    line-height: 1.3;
}

.doc-article p,
.doc-article li,
.doc-article blockquote {
    color: var(--kp-body-text);
    font-size: 1.02rem;
    line-height: 1.85;
}

.doc-article p {
    margin-top: 0;
    margin-bottom: 1.18rem;
}

.doc-article strong {
    color: var(--kp-text);
}

.doc-article a {
    color: var(--kp-link);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

.doc-article ul,
.doc-article ol {
    display: grid;
    gap: 0.52rem;
    margin: 1rem 0 1.45rem;
    padding-left: 1.35rem;
}

.doc-article hr {
    margin: 2.6rem 0;
    border: 0;
    border-top: 1px solid var(--kp-line);
    opacity: 1;
}

.doc-article blockquote {
    margin: 1.6rem 0;
    padding: 1.05rem 1.2rem;
    color: var(--kp-text);
    background: linear-gradient(135deg, rgba(52, 125, 214, 0.10), rgba(255, 176, 0, 0.08));
    border: 1px solid var(--kp-line-strong);
    border-left: 3px solid var(--kp-signal);
    border-radius: var(--kp-radius-md);
}

.doc-article pre {
    margin: 1.45rem 0;
    padding: 1.1rem;
    color: var(--kp-text);
    background: var(--kp-code-bg);
    border: 1px solid var(--kp-line);
    border-radius: var(--kp-radius-md);
    overflow-x: auto;
}

.doc-article code {
    color: var(--kp-text);
    background: var(--kp-code-bg);
    border: 1px solid var(--kp-line);
    border-radius: 0.4rem;
    padding: 0.08rem 0.32rem;
}

.doc-article pre code {
    padding: 0;
    border: 0;
    background: transparent;
}

.doc-image,
.doc-video-frame {
    display: block;
    width: 100%;
    margin: 1.9rem 0 2.35rem;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(52, 125, 214, 0.08), rgba(255, 176, 0, 0.05));
    border: 1px solid var(--kp-line);
    border-radius: var(--kp-radius-lg);
    box-shadow: 0 24px 60px var(--kp-shadow);
}

.doc-image {
    padding: 0.35rem;
}

.doc-video-frame video {
    display: block;
    width: 100%;
    min-height: 220px;
    background: #000;
}

.doc-video-frame figcaption {
    padding: 0.75rem 1rem;
    color: var(--kp-muted);
    font-size: 0.88rem;
}

.video-placeholder {
    min-height: 260px;
}

.video-placeholder-inner {
    display: grid;
    min-height: 260px;
    place-items: center;
    gap: 0.45rem;
    padding: 2rem;
    color: var(--kp-muted);
    text-align: center;
}

.video-placeholder-inner i {
    color: var(--kp-signal);
    font-size: 3rem;
}

.video-placeholder-inner strong {
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
}

.docs-toc {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 5.35rem 1.4rem 2rem 0;
    border-left: 1px solid var(--kp-line);
}

.toc-card {
    position: sticky;
    top: 5rem;
    display: grid;
    gap: 0.1rem;
    padding-left: 1rem;
}

.toc-title {
    display: flex;
    gap: 0.45rem;
    align-items: center;
    margin-bottom: 0.6rem;
    color: var(--kp-text);
    font-family: var(--kp-font-heading);
    font-size: 0.86rem;
    font-weight: 700;
}

.toc-link {
    display: block;
    padding: 0.38rem 0.65rem;
    color: var(--kp-muted);
    font-size: 0.9rem;
    text-decoration: none;
    border-left: 2px solid transparent;
}

.toc-link.level-3 {
    padding-left: 1.45rem;
}

.toc-link:hover,
.toc-link.active {
    color: var(--kp-text);
    border-color: var(--kp-active);
}

.mobile-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--kp-line);
    background: var(--kp-bg-panel);
    backdrop-filter: blur(16px);
}

.offcanvas {
    --bs-offcanvas-width: min(88vw, 330px);
    background: var(--kp-bg-panel);
}

.search-modal .modal-content {
    background: var(--kp-bg-elevated);
    border: 1px solid var(--kp-line);
    border-radius: 22px;
}

.modal-subtitle {
    margin: 0.25rem 0 0;
    color: var(--kp-muted);
    font-size: 0.9rem;
}

.search-input-large {
    padding: 0.9rem 1rem;
    border-radius: 16px;
}

.search-results {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

.search-result {
    display: block;
    padding: 1rem;
    color: var(--kp-text);
    text-decoration: none;
    background: var(--kp-bg-soft);
    border: 1px solid var(--kp-line);
    border-radius: 16px;
}

.search-result:hover {
    border-color: var(--kp-line-strong);
}

.search-result-title {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.35rem;
    font-family: var(--kp-font-heading);
    font-weight: 700;
}

.search-result-section {
    color: var(--kp-active);
    font-size: 0.76rem;
}

.search-result p,
.empty-search {
    margin: 0;
    color: var(--kp-muted);
}

@media (max-width: 1199.98px) {
    .docs-shell {
        grid-template-columns: var(--kp-sidebar-width) minmax(0, 1fr);
    }

    .docs-content {
        width: 100%;
    }
}

@media (max-width: 991.98px) {
    .docs-shell {
        display: block;
    }

    .docs-content {
        padding: 2rem 1rem 4rem;
    }

    .article-header {
        grid-template-columns: 1fr;
    }

    .article-actions {
        padding-top: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}