/**
 * Shared styles for the static component-preview pages
 * (public/components/*.html). Self-contained copy of the core tokens
 * from src/index.css so these pages don't depend on the Vite-built app.
 *
 * Dark is the default look; [data-theme="light"] on <html> (toggled by
 * theme-toggle.js) switches these to the light palette below.
 */

:root {
  color-scheme: dark;
  --text: #9ca3af;
  --text-h: #f3f4f6;
  --bg: #08060b;
  --border: rgba(100, 100, 100, 0.5);
  --code-bg: #1f2028;
  --color-white: #fff;
  --color-gray: #313131;

  --color-mantle-blue: #000561;
  --color-mantle-purple: #000099;

  --accent: #c084fc;
  --accent-bg: rgba(192, 132, 252, 0.15);
  --accent-border: rgba(192, 132, 252, 0.5);
  --social-bg: rgba(0, 3, 51, 1);
  --shadow:
    rgba(0, 0, 0, 0.4) 0 10px 15px -3px, rgba(0, 0, 0, 0.25) 0 4px 6px -2px;

  --sans: 'IBM Plex Mono', Roboto, sans-serif;
  --heading: 'IBM Plex Mono', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
}

[data-theme='light'] {
  color-scheme: light;
  --text: #6b6375;
  --text-h: #08060d;
  --bg: #f6f5ef;
  --border: #e5e4e7;
  --code-bg: #f4f3ec;
  --color-gray: #e5e4e7;

  --accent: #3bff65;
  --accent-bg: rgba(119, 96, 136, 0.1);
  --accent-border: rgba(212, 212, 241, 0.5);
  --social-bg: rgba(255, 255, 255, 0.5);
  --shadow:
    rgba(0, 0, 0, 0.1) 0 10px 15px -3px, rgba(0, 0, 0, 0.05) 0 4px 6px -2px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font: 16px/145% var(--mono);
  letter-spacing: 0.18px;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
}

.wrapper {
  width: 1126px;
  max-width: 100%;
  margin: 0 auto;
  padding: 32px 20px 64px;
  box-sizing: border-box;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.topbar .breadcrumb {
  margin-left: auto;
}

.topbar__home {
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s;
}

.topbar__home:hover {
  color: var(--text-h);
  text-decoration: none;
}

.breadcrumb {
  font-size: 14px;
  color: var(--text);
}

h1,
h2 {
  font-family: var(--heading);
  color: var(--text-h);
}

h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1.2px;
  margin: 0 0 12px;
}

h2 {
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 8px;
}

p {
  font-weight: 400;
  margin: 0 0 20px;
  max-width: 70ch;
}

.panel {
  margin-top: 20px;
  h2 {
    margin-bottom: 12px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
  }
}

.settings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.settings label {
  color: var(--text);
}

.settings input {
  font: inherit;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--code-bg);
  color: var(--text-h);
  min-width: 260px;
}

.settings button {
  font: inherit;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-h);
  cursor: pointer;
}

.settings button:hover {
  box-shadow: var(--shadow);
}

.settings__hint {
  color: var(--text);
  opacity: 0.8;
}

.preview-frame {
  width: 100%;
  height: 80vh;
  min-height: 560px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--code-bg);
  margin-top: 12px;
}

.preview-actions {
  margin-top: 12px;
  font-size: 14px;
}

.preview-actions a {
  text-decoration: none;
  color: var(--text);
  transition: color 0.3s;
}

.preview-actions a:hover {
  border-bottom-color: currentColor;
  color: var(--text-h);
}

.component-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.component-nav a {
  display: inline-flex;
  border: 1px solid var(--color-gray);
  padding: 6px 14px;
  border-radius: 32px;
  background: transparent;
  text-decoration: none;
  font-size: 14px;
  color: var(--text-h);
  transition: box-shadow 0.2s, background 0.2s;
}

.component-nav a:hover {
  background: var(--color-gray);
  box-shadow: var(--shadow);
}

.component-nav a[aria-current='page'] {
  background: var(--color-gray);
}

/**
 * Landing page (index.html)
 * Dark is the default look, matching the component detail pages;
 * [data-theme="light"] on <html> (toggled by theme-toggle.js) switches
 * these to the light palette declared further down.
 */

.landing {
  --landing-green: rgb(136, 182, 0);
  --landing-purple: rgba(204, 167, 255, 1);
  --landing-heading: rgba(245, 244, 252, 0.85);
  --landing-heading-soft: rgba(238, 237, 245, 1);
  --landing-border: rgba(255, 255, 255, 0.07);
  --landing-panel-bg: rgba(255, 255, 255, 0.03);
  --landing-text: rgba(183, 181, 196, 1);
  --landing-surface: #08060b;
  --landing-nav-height: 88px;

  position: relative;
  z-index: 0;
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  background: radial-gradient(
    120% 90% at 50% -10%,
    rgba(89, 255, 140, 0.08) 0%,
    rgba(139, 92, 255, 0.05) 35%,
    var(--landing-surface) 70%
  );
  color: var(--landing-text);
  min-height: 100vh;
  transition: background-color 0.2s ease-in-out;
}

.landing::after {
  content: "";
  position: absolute;
  inset: 0; /* top:0; right:0; bottom:0; left:0; */
  background-image: url('../assets/mantle-bg.jpg');
  background-size: cover;
  background-position: center;
  filter: grayscale(100%) blur(4px);
  opacity: 0.25;
  z-index: -1; /* sit behind the content */
  pointer-events: none; /* purely decorative — must never swallow clicks */
  height: 100vh;
  width: 100vw;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
}

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
  width: 100%;
  margin: 0;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background-color 0.3s ease-in-out, backdrop-filter 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.landing-nav.is-scrolled {
  background: rgba(8, 6, 11, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.landing-nav__logo {
  width: 120px;
}

.landing-nav__brand {
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.landing-nav.is-scrolled .landing-nav__brand {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .landing-nav {
    transition: none;
  }

  .landing-nav__brand {
    transition: none;
  }
}

.landing-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.landing-nav__link {
  color: var(--landing-text);
  text-decoration: none;
  font-size: 14px;
}

.landing-nav__link--github {
  color: var(--landing-heading);
  text-decoration: none;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 7px 14px;
  border-radius: 32px;
}

.landing-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border-radius: 10px;
  border: 1px solid var(--landing-border);
  background: transparent;
  color: var(--landing-heading);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease-in-out;
}

.landing-nav__toggle:hover {
  background: rgba(127, 127, 127, 0.12);
}

.landing-nav__toggle-icon {
  width: 20px;
  height: 20px;
  display: none;
}

.landing-nav__toggle-icon--menu {
  display: block;
}

.landing-nav.is-open .landing-nav__toggle-icon--menu {
  display: none;
}

.landing-nav.is-open .landing-nav__toggle-icon--close {
  display: block;
}

.landing-hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 88px 32px 64px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.landing-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: oklch(84% 0.2 150);
}

.landing-hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--landing-green);
}

.landing-hero__title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 32px;
  line-height: 104%;
  font-weight: 500;
  letter-spacing: -1.8px;
  color: var(--landing-heading);
  max-width: 600px;
  margin: 0;
}

.landing-hero__subtitle {
  font-size: 16px;
  line-height: 155%;
  color: oklch(72% 0.02 290);
  max-width: 640px;
  margin: 20px 0;
}

.landing-hero__actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.landing-btn {
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 32px;
  font-size: 15px;
}

.landing-btn--primary {
  background: #007AFF;
  background: linear-gradient(119deg,rgba(0, 122, 255, 1) 0%, rgba(0, 75, 156, 1) 100%);
  color: #08060b;
  font-weight: 600;
  transition: color 0.3s ease-in-out;
}

.landing-btn--primary:hover {
  color: #fff;
}

.landing-btn--secondary {
  color: var(--landing-heading);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.landing-hero__install {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 14px;
  color: oklch(72% 0.02 290);
}

.landing-hero__install-prompt {
  color: rgba(0, 122, 255, 1);
}

.landing-story {
  max-width: 1180px;
  margin: 64px auto 0;
  padding: 0 32px;
}

.landing-story__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.landing-story__card {
  background: var(--landing-panel-bg);
  border: 1px solid var(--landing-border);
  border-radius: 20px;
  padding: 28px;
  text-align: left;
}

.landing-story__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 20px;
  border: 1px solid var(--landing-border);
}

.landing-story__icon svg {
  width: 26px;
  height: 26px;
}

.landing-story__icon--green {
  background: rgba(136, 182, 0, 0.14);
  color: var(--landing-green);
}

.landing-story__icon--purple {
  background: rgba(204, 167, 255, 0.14);
  color: var(--landing-purple);
}

.landing-story__icon--blue {
  background: oklch(84% 0.24 220 / 0.16);
  color: oklch(84% 0.24 220);
}

.landing-story__title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: var(--landing-heading);
  margin: 0 0 8px;
}

.landing-story__text {
  font-size: 14px;
  line-height: 150%;
  color: oklch(68% 0.02 290);
  margin: 0;
}

.landing-components {
  max-width: 1180px;
  margin: 88px auto 0;
  padding: 0 32px;
  text-align: left;
  scroll-margin-top: var(--landing-nav-height);
}

.landing-components__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}

.landing-components__title {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--landing-heading);
  margin: 0;
  letter-spacing: -0.4px;
}

.landing-components__count {
  font-size: 13px;
  color: oklch(60% 0.02 290);
}

.landing-components__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.landing-card {
  display: block;
  padding: 20px;
  border-radius: 16px;
  background: var(--landing-panel-bg);
  border: 1px solid var(--landing-border);
  text-decoration: none;
  color: inherit;
}

a.landing-card {
  transition: box-shadow 0.3s;
}

a.landing-card:hover {
  box-shadow: 0 0 12px var(--color-gray);
}

.landing-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  margin-bottom: 14px;
  border: 1px solid var(--landing-border);
  background: transparent;
}

.landing-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--landing-heading);
  opacity: 0.9;
}

.landing-card__title {
  font-family: 'IBM Plex Sans', sans-serif;
  margin: 0 0 6px;
  color: var(--landing-heading-soft);
  font-size: 15px;
  font-weight: 600;
}

.landing-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 145%;
  color: oklch(62% 0.02 290);
}

/**
 * Component index — tinted category panels (index.html #components)
 * The whole section is one bordered panel (`.landing-panel--components`).
 * Each category is a tinted sub-panel whose color scale is derived from a
 * single `--group-accent` via color-mix() against the existing theme
 * tokens, so it adapts to light/dark automatically without a second
 * hand-authored palette. Tiles show the same generic line-icon used for
 * that component in the interior page sidebar nav, above the component
 * name, so height stays uniform at any card count and the grid reads
 * quietly without a hand-drawn mockup per component.
 */

.components-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.components-panel__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.components-search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 230px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--landing-border);
  background: var(--landing-panel-bg);
  transition: border-color 0.2s;
}

.components-search:focus-within {
  border-color: var(--landing-purple);
}

.components-search__icon {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--landing-text);
}

.components-search__input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 13px;
  color: var(--landing-heading-soft);
  background: transparent;
  border: none;
  outline: none;
}

.components-search__input::placeholder {
  color: var(--landing-text);
  opacity: 0.8;
}

.components-search__kbd {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--landing-text);
  border: 1px solid var(--landing-border);
  border-radius: 4px;
  padding: 1px 5px;
}

.components-panel__count {
  font-size: 13px;
  color: var(--landing-text);
  white-space: nowrap;
}

.components-panel__empty {
  margin: 0;
  font-size: 14px;
  color: var(--landing-text);
}

.components-group {
  --group-bg-1: color-mix(in srgb, var(--group-accent) 10%, var(--landing-surface));
  --group-bg-2: color-mix(in srgb, var(--group-accent) 4%, var(--landing-surface));
  --group-border: color-mix(in srgb, var(--group-accent) 22%, var(--landing-border));
  --group-card-bg: color-mix(in srgb, var(--group-accent) 4%, var(--landing-panel-bg));
  --group-card-border: color-mix(in srgb, var(--group-accent) 16%, var(--landing-border));
  --group-card-border-hover: color-mix(in srgb, var(--group-accent) 55%, var(--landing-border));
  --group-divider: color-mix(in srgb, var(--group-accent) 10%, var(--landing-border));
  --group-label: color-mix(in srgb, var(--group-accent) 65%, var(--landing-heading-soft));

  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 22px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--group-bg-1), var(--group-bg-2));
  border: 1px solid var(--group-border);
}

.components-group.is-hidden {
  display: none;
}

.components-group--forms { --group-accent: #5fc9c0; --group-accent-ink: #08110f; }
.components-group--layout { --group-accent: #d9a441; --group-accent-ink: #171208; }
.components-group--navigation { --group-accent: #6ba3e0; --group-accent-ink: #0a1620; }
.components-group--overlay { --group-accent: #a68cf0; --group-accent-ink: #15101f; }
.components-group--feedback { --group-accent: #e0798f; --group-accent-ink: #1a0d11; }

.components-group__header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.components-group__dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--group-accent);
}

.components-group__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--group-label);
}

.components-group__count {
  font-size: 12px;
  color: var(--landing-text);
}

.components-group__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: 12px;
}

.components-tile {
  display: flex;
  flex-direction: column;
  background: var(--group-card-bg);
  border: 1px solid var(--group-card-border);
  border-radius: 9px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}

.components-tile:hover {
  border-color: var(--group-card-border-hover);
}

.components-tile.is-hidden {
  display: none;
}

.components-tile__preview {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--landing-heading-soft);
  transition: color 0.2s;
}

.components-tile__preview svg {
  width: 26px;
  height: 26px;
}

.components-tile:hover .components-tile__preview {
  color: var(--group-label);
}

.components-tile__title {
  padding: 9px 12px;
  border-top: 1px solid var(--group-divider);
  font-size: 12.5px;
  color: var(--landing-heading-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 680px) {
  .components-panel__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .components-search {
    width: 100%;
  }
}

.landing-patterns,
.landing-accessibility {
  max-width: 1180px;
  padding: 0 32px;
  scroll-margin-top: var(--landing-nav-height);
}

.landing-patterns {
  margin: 64px auto 0;
}

.landing-accessibility {
  margin: 20px auto 0;
}

.landing-panel {
  display: flex;
  background: var(--landing-panel-bg);
  border: 1px solid var(--landing-border);
  border-radius: 28px;
  padding: 40px;
  text-align: left;
  flex-wrap: wrap;
}

.landing-panel--patterns {
  gap: 16px;
}

.landing-panel--accessibility {
  gap: 32px;
}

.landing-panel--components {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 28px;
}

.landing-panel--foundations {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 24px;
}

.landing-heading {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--landing-heading);
  margin: 0 0 12px;
  letter-spacing: -0.3px;
}

.landing-badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--landing-purple);
  background: color-mix(in srgb, var(--landing-purple) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--landing-purple) 30%, transparent);
  border-radius: 999px;
  padding: 3px 10px;
  margin-left: 10px;
  vertical-align: middle;
}

.landing-panel__intro {
  flex: 1 1 300px;
}

.landing-panel__intro--narrow {
  flex: 1 1 260px;
}

.landing-panel__text {
  font-size: 15px;
  line-height: 160%;
  color: oklch(70% 0.02 290);
  margin: 0;
}

.landing-panel__text--constrained {
  max-width: 420px;
}

.landing-panel__list {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.landing-panel__list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: oklch(82% 0.02 290);
}

.landing-panel__check {
  color: var(--landing-green);
  font-weight: 700;
}

.landing-panel__check--planned {
  color: var(--landing-text);
  opacity: 0.6;
  font-weight: 400;
}

.landing-panel__stats {
  flex: 2 1 400px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.landing-stat__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-bg);
  font-family: 'IBM Plex Sans', sans-serif;
}

.landing-stat__label {
  font-size: 13px;
  color: oklch(64% 0.02 290);
  margin-top: 4px;
}

.landing-footer {
  max-width: 1180px;
  margin: 64px auto 0;
  padding: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.landing-footer__copy {
  font-size: 13px;
  color: oklch(55% 0.02 290);
}

.landing-footer__links {
  display: flex;
  gap: 20px;
}

.landing-footer__link {
  color: oklch(68% 0.02 290);
  text-decoration: none;
  font-size: 13px;
}

.landing-footer__spacer {
  height: 88px;
}

.landing-footer--interior {
  max-width: none;
  margin: 48px 0 0;
  padding: 24px 0 0;
}

.mantle-logo {
  height: auto;
  margin: 30px 0;
  width: 90%;
}

.landing-nav__logo svg path,
.mantle-logo svg path {
  fill: var(--landing-heading-soft);
  transition: fill 0.2s ease-in-out;
}

/**
 * Landing page — light theme
 * Mirrors the component detail pages' light palette so the home page and
 * the interior pages read as one theme when toggled.
 */

[data-theme='light'] .landing {
  --landing-heading: rgba(12, 10, 18, 0.9);
  --landing-heading-soft: #0c0a12;
  --landing-border: rgba(20, 16, 30, 0.1);
  --landing-panel-bg: rgba(20, 16, 30, 0.035);
  --landing-text: rgba(70, 64, 80, 0.85);
  --landing-surface: #f6f5ef;
}

[data-theme='light'] .landing::after {
  opacity: 0.06;
}

[data-theme='light'] .landing-nav.is-scrolled {
  background: rgba(246, 245, 239, 0.82);
  border-bottom-color: rgba(20, 16, 30, 0.1);
}

[data-theme='light'] .landing-nav__link--github {
  border-color: rgba(20, 16, 30, 0.14);
}

[data-theme='light'] .landing-btn--secondary {
  border-color: rgba(20, 16, 30, 0.16);
}

[data-theme='light'] .landing-hero__subtitle {
  color: rgba(70, 64, 80, 0.8);
}

[data-theme='light'] .landing-hero__install {
  background: rgba(20, 16, 30, 0.04);
  border-color: rgba(20, 16, 30, 0.08);
  color: rgba(70, 64, 80, 0.8);
}

[data-theme='light'] .landing-story__text {
  color: rgba(70, 64, 80, 0.75);
}

[data-theme='light'] .landing-components__count {
  color: rgba(70, 64, 80, 0.6);
}

[data-theme='light'] .landing-card__text {
  color: rgba(70, 64, 80, 0.65);
}

[data-theme='light'] .landing-panel__text {
  color: rgba(70, 64, 80, 0.78);
}

[data-theme='light'] .landing-panel__list-item {
  color: rgba(70, 64, 80, 0.85);
}

[data-theme='light'] .landing-stat__label {
  color: rgba(70, 64, 80, 0.68);
}

[data-theme='light'] .landing-footer {
  border-top-color: rgba(20, 16, 30, 0.08);
}

[data-theme='light'] .landing-footer__copy {
  color: rgba(70, 64, 80, 0.55);
}

[data-theme='light'] .landing-footer__link {
  color: rgba(70, 64, 80, 0.75);
}

/**
 * Component detail pages (public/components/{name}.html)
 * Dark shell with a persistent sidebar nav, matching the landing page's
 * oklch/IBM Plex Sans look. The Storybook preview `.panel` block above
 * is untouched by this theme.
 */

.detail {
  --detail-heading: rgba(245, 244, 252, 0.85);
  --detail-heading-soft: rgba(238, 237, 245, 1);
  --detail-text: rgba(183, 181, 196, 1);
  --detail-border: rgba(255, 255, 255, 0.07);
  --detail-panel-bg: rgba(255, 255, 255, 0.03);
  --detail-hover-bg: rgba(255, 255, 255, 0.05);
  --detail-accent: #c084fc;
  --detail-accent-bg: rgba(192, 132, 252, 0.12);
  --detail-surface: #08060b;

  min-height: 100vh;
  background: radial-gradient(
    120% 90% at 50% -10%,
    rgba(89, 255, 140, 0.06) 0%,
    rgba(139, 92, 255, 0.04) 35%,
    var(--detail-surface) 70%
  );
  color: var(--detail-text);
}

[data-theme='light'] .detail {
  --detail-heading: rgba(12, 10, 18, 0.9);
  --detail-heading-soft: #0c0a12;
  --detail-text: rgba(70, 64, 80, 0.85);
  --detail-border: rgba(20, 16, 30, 0.1);
  --detail-panel-bg: rgba(20, 16, 30, 0.035);
  --detail-hover-bg: rgba(20, 16, 30, 0.05);
  --detail-accent: #8b5cf6;
  --detail-accent-bg: rgba(139, 92, 246, 0.12);
  --detail-surface: #f6f5ef;
}

.detail-topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px;
  border-bottom: 1px solid var(--detail-border);
}

.detail-topbar__logo {
  display: inline-flex;
  width: 110px;
  flex-shrink: 0;
}

.detail-topbar__logo svg {
  display: block;
  width: 100%;
  height: auto;
}

.detail-topbar__logo svg path {
  fill: var(--detail-heading-soft);
}

.detail-topbar .breadcrumb {
  font-size: 14px;
  color: var(--detail-text);
  opacity: 0.75;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-left: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.theme-toggle:hover {
  background: rgba(127, 127, 127, 0.12);
  color: var(--text-h);
}

.theme-toggle__icon {
  width: 18px;
  height: 18px;
  display: none;
}

.theme-toggle__icon--sun {
  display: block;
}

[data-theme='light'] .theme-toggle__icon--sun {
  display: none;
}

[data-theme='light'] .theme-toggle__icon--moon {
  display: block;
}

.detail-sidebar__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-left: auto;
  border-radius: 10px;
  border: 1px solid var(--detail-border);
  background: transparent;
  color: var(--detail-heading);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s ease-in-out;
}

.detail-sidebar__toggle:hover {
  background: var(--detail-hover-bg);
}

.detail-sidebar__toggle-icon {
  width: 18px;
  height: 18px;
  display: none;
}

.detail-sidebar__toggle-icon--menu {
  display: block;
}

.detail.is-nav-open .detail-sidebar__toggle-icon--menu {
  display: none;
}

.detail.is-nav-open .detail-sidebar__toggle-icon--close {
  display: block;
}

.detail-shell {
  display: flex;
  align-items: flex-start;
  max-width: 1320px;
  margin: 0 auto;
}

.detail-sidebar {
  flex: 0 0 236px;
  width: 236px;
  padding: 20px 12px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  max-height: 100vh;
  overflow-y: auto;
}

.detail-sidebar__category {
  margin-bottom: 4px;
}

.detail-sidebar__category-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--detail-heading-soft);
  opacity: 0.65;
  transition: background 0.2s, opacity 0.2s;
}

.detail-sidebar__category-label::-webkit-details-marker {
  display: none;
}

.detail-sidebar__category-label:hover {
  background: var(--detail-hover-bg);
  opacity: 0.9;
}

.detail-sidebar__chevron {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.detail-sidebar__category[open] > .detail-sidebar__category-label .detail-sidebar__chevron {
  transform: rotate(90deg);
}

.detail-sidebar__placeholder {
  margin: 2px 12px 10px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--detail-text);
  opacity: 0.5;
  font-style: italic;
}

.detail-sidebar ul {
  list-style: none;
  margin: 4px 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  color: var(--detail-text);
  transition: background 0.2s, color 0.2s;
}

.detail-sidebar a svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  flex-shrink: 0;
  opacity: 0.85;
}

.detail-sidebar a:hover {
  background: var(--color-gray);
  color: var(--detail-heading-soft);
}

.detail-sidebar a[aria-current='page'] {
  border: 1px solid var(--color-gray);
  color: var(--detail-heading-soft);
}

.detail-sidebar a[aria-current='page'] svg {
  opacity: 1;
  stroke: var(--detail-heading-soft);
}

.detail-main {
  flex: 1 1 auto;
  min-width: 0;
  padding: 32px 32px 64px;
}

.detail-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.detail-title__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--detail-border);
  background: var(--detail-panel-bg);
  flex-shrink: 0;
}

.detail-title__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--detail-heading);
}

.detail-main h1 {
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--detail-heading);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.6px;
  margin: 0;
}

.detail-main > p {
  color: oklch(70% 0.02 290);
  margin: 0 0 8px;
}

/**
 * Responsive breakpoints
 * Reflow the landing page (index.html) and component detail pages
 * (public/components/{name}.html) from the desktop layout above down
 * to a single stacked column on narrow viewports.
 */

@media (max-width: 1024px) {
  .landing-components__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .landing-nav__toggle {
    display: inline-flex;
  }

  .landing-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 20px 20px;
    background: var(--landing-surface);
    border-bottom: 1px solid var(--landing-border);
  }

  .landing-nav.is-open .landing-nav__links {
    display: flex;
  }

  .landing-nav__link,
  .landing-nav__link--github {
    padding: 10px 4px;
  }

  .landing-nav__link--github {
    border: none;
    padding-left: 4px;
  }

  .theme-toggle {
    margin-left: 0;
    align-self: flex-start;
  }

  .detail-sidebar__toggle {
    display: inline-flex;
  }

  .detail-shell {
    flex-direction: column;
  }

  .detail-sidebar {
    display: none;
    position: static;
    width: 100%;
    max-height: none;
    overflow-y: visible;
    border-bottom: 1px solid var(--detail-border);
    padding-bottom: 12px;
  }

  .detail.is-nav-open .detail-sidebar {
    display: block;
  }

  .topbar {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  .topbar .breadcrumb {
    margin-left: 0;
  }

  .landing-story__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-components__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .landing-panel {
    padding: 28px;
  }
}

@media (max-width: 680px) {
  .landing-nav {
    padding: 20px;
    gap: 12px;
  }

  .landing-nav__logo {
    width: 90px;
  }

  .landing-hero {
    padding: 56px 20px 40px;
  }

  .landing-hero__title {
    font-size: 26px;
  }

  .landing-hero__actions {
    flex-direction: column;
    align-self: stretch;
    width: 100%;
  }

  .landing-btn {
    text-align: center;
  }

  .landing-story {
    margin-top: 48px;
    padding: 0 20px;
  }

  .landing-story__grid {
    grid-template-columns: 1fr;
  }

  .landing-components {
    margin-top: 56px;
    padding: 0 20px;
  }

  .landing-components__grid {
    grid-template-columns: 1fr;
  }

  .landing-components__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .landing-patterns,
  .landing-accessibility {
    padding: 0 20px;
  }

  .landing-panel {
    padding: 24px;
  }

  .landing-panel__stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .landing-footer {
    padding: 24px 20px;
    flex-direction: column;
    align-items: flex-start;
  }

  .landing-footer__spacer {
    height: 56px;
  }

  .detail-topbar {
    padding: 16px 20px;
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .detail-main {
    padding: 24px 20px 48px;
  }

  .detail-title {
    gap: 12px;
  }

  .detail-main h1 {
    font-size: 26px;
  }

  .preview-frame {
    height: 60vh;
    min-height: 320px;
  }

  .wrapper {
    padding: 24px 16px 48px;
  }
}

@media (max-width: 420px) {
  .landing-hero__title {
    font-size: 22px;
  }

  .landing-hero__install {
    font-size: 12px;
    padding: 10px 14px;
  }

  .landing-nav__link {
    font-size: 13px;
  }
}
