:root {
  color-scheme: light;
  --canvas: #f5f3ed;
  --surface: #fffefa;
  --surface-muted: #ebe8df;
  --surface-strong: #dfdbd0;
  --primary: #174e3d;
  --primary-hover: #103c2e;
  --primary-soft: #dff0e6;
  --text-primary: #1f2925;
  --text-secondary: #5e6863;
  --text-tertiary: #77817b;
  --text-inverse: #ffffff;
  --border: #dedbd3;
  --border-strong: #c6c1b6;
  --success: #206c4d;
  --success-container: #dff0e6;
  --warning: #6a4b0d;
  --warning-container: #fdf0ce;
  --error: #ad4545;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-code: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(35, 37, 33, 0.05);
  --shadow-md: 0 14px 34px rgba(35, 37, 33, 0.08);
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--text-primary);
  background: var(--canvas);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.045em; }
code, pre { font-family: var(--font-code); }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; color: var(--text-inverse); background: var(--primary); border-radius: var(--radius-sm); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #226bb0; outline-offset: 3px; }
.icon-reicon { display: inline-block; width: 20px; height: 20px; flex: 0 0 auto; background-color: currentColor; mask: center / contain no-repeat; -webkit-mask: center / contain no-repeat; }
.icon-reicon--arrow-right { mask-image: url("/icons/arrow-right.svg"); -webkit-mask-image: url("/icons/arrow-right.svg"); }
.icon-reicon--book { mask-image: url("/icons/book.svg"); -webkit-mask-image: url("/icons/book.svg"); }
.icon-reicon--browser-code { mask-image: url("/icons/browser-code.svg"); -webkit-mask-image: url("/icons/browser-code.svg"); }
.icon-reicon--check { mask-image: url("/icons/check.svg"); -webkit-mask-image: url("/icons/check.svg"); }
.icon-reicon--check-circle { mask-image: url("/icons/check-circle.svg"); -webkit-mask-image: url("/icons/check-circle.svg"); }
.icon-reicon--copy { mask-image: url("/icons/copy.svg"); -webkit-mask-image: url("/icons/copy.svg"); }
.icon-reicon--key { mask-image: url("/icons/key.svg"); -webkit-mask-image: url("/icons/key.svg"); }
.icon-reicon--sliders { mask-image: url("/icons/sliders.svg"); -webkit-mask-image: url("/icons/sliders.svg"); }
.icon-reicon--terminal-square { mask-image: url("/icons/terminal-square.svg"); -webkit-mask-image: url("/icons/terminal-square.svg"); }
.noscript-notice { padding: var(--space-3) var(--space-4); margin: 0; color: var(--warning); background: var(--warning-container); text-align: center; font-size: 14px; }
.noscript-notice p { margin: var(--space-1) 0 0; }
.noscript-notice a { font-weight: 650; }
.no-js .copy-button { display: none !important; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  height: 76px;
  background: color-mix(in srgb, var(--canvas) 96%, transparent);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.site-header.is-scrolled { border-color: color-mix(in srgb, var(--border) 70%, transparent); box-shadow: var(--shadow-sm); }
.site-header__inner { display: flex; height: 100%; align-items: center; justify-content: space-between; gap: var(--space-5); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); color: inherit; text-decoration: none; }
.brand-mark {
  display: block;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 12px;
}
.brand-name { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name strong { font-family: var(--font-display); font-size: 16px; letter-spacing: -.045em; white-space: nowrap; }
.brand-name__short { display: none; font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: -.03em; white-space: nowrap; }
.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}
.button--primary { color: var(--text-inverse); background: var(--primary); }
.button--primary:hover { background: var(--primary-hover); box-shadow: 0 8px 18px rgba(47, 116, 88, .2); }
.button--secondary { color: var(--text-secondary); background: transparent; }
.button--secondary:hover { color: var(--text-primary); background: color-mix(in srgb, var(--surface) 65%, transparent); }
.button--small { min-height: 40px; padding: 8px 12px; }
.button--large { min-height: 52px; padding: 13px 20px; font-size: 15px; }

.hero { position: relative; overflow: hidden; padding: clamp(76px, 10vw, 144px) 0 clamp(72px, 9vw, 128px); }
.hero__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(350px, 460px); align-items: center; gap: clamp(48px, 9vw, 132px); }
.hero__content { max-width: 610px; }
.eyebrow { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--primary); font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.eyebrow-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; }
.hero h1 { max-width: 610px; margin: var(--space-4) 0 var(--space-5); font-size: clamp(48px, 5.6vw, 74px); font-weight: 550; line-height: 1; }
.hero__lede { max-width: 490px; margin-bottom: var(--space-6); color: var(--text-secondary); font-size: 18px; line-height: 1.62; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero__art { position: relative; padding: 18px 0 0 18px; }
.hero__art-stage { position: relative; overflow: hidden; border-radius: 38px; background: #e8e7df; box-shadow: 0 26px 68px rgba(29, 48, 39, .12); }
.hero__art-stage::after { position: absolute; inset: 0; border: 1px solid rgba(23, 69, 55, .09); border-radius: inherit; content: ""; pointer-events: none; }
.hero__art-stage img { display: block; width: 100%; height: auto; transform: scale(1.012); }
.hero__badge { position: absolute; bottom: -18px; left: 0; display: inline-flex; min-height: 66px; align-items: center; gap: 10px; padding: 10px 15px 10px 10px; color: var(--text-primary); background: var(--surface); border: 1px solid rgba(23, 69, 55, .1); border-radius: 18px; box-shadow: 0 16px 34px rgba(29, 48, 39, .14); }
.hero__badge img { width: 42px; height: 42px; object-fit: contain; }
.hero__badge span { display: flex; flex-direction: column; gap: 2px; }
.hero__badge strong { font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: -.02em; }
.hero__badge small { color: var(--text-tertiary); font-size: 11px; }

.section--workspace { padding: clamp(72px, 9vw, 120px) 0; background: var(--surface-muted); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-7); margin-bottom: var(--space-6); }
.section-heading h2 { margin: var(--space-2) 0 0; font-size: clamp(34px, 4vw, 50px); font-weight: 550; line-height: 1.06; }
.section-heading > p { max-width: 360px; margin-bottom: 3px; color: var(--text-secondary); font-size: 15px; }
.workspace-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: var(--space-4); align-items: start; }
.client-picker { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-3); background: color-mix(in srgb, var(--surface) 56%, transparent); border-radius: 28px; }
.client-picker__label { padding: var(--space-2) var(--space-3) var(--space-3); color: var(--text-tertiary); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.client-option {
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 14px;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.client-option:hover { background: color-mix(in srgb, var(--surface) 84%, transparent); }
.client-option:focus-within { outline: 3px solid #226bb0; outline-offset: 3px; }
.client-option.is-selected { background: var(--surface); border-color: rgba(23, 78, 61, .2); box-shadow: var(--shadow-sm); }
.client-mark { display: grid; width: 42px; height: 42px; flex: 0 0 auto; place-items: center; }
.client-option__copy { display: flex; min-width: 0; flex: 1; flex-direction: column; }
.client-option strong { overflow: hidden; font-family: var(--font-display); font-size: 15px; font-weight: 600; letter-spacing: -.02em; line-height: 1.25; text-overflow: ellipsis; white-space: nowrap; }
.client-option small { margin-top: 3px; color: var(--text-tertiary); font-size: 12px; }
.client-option__check { color: var(--primary); opacity: 0; transition: opacity 160ms ease; }
.client-option.is-selected .client-option__check { opacity: 1; }

.workspace-content { display: flex; min-width: 0; min-height: 512px; flex-direction: column; background: var(--surface); border-radius: 28px; box-shadow: var(--shadow-md); }
.workspace-empty { display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-7); color: var(--text-secondary); text-align: center; }
.workspace-empty .icon-tile { margin-bottom: var(--space-4); }
.workspace-empty h3 { margin: 0 0 var(--space-2); font-size: 22px; font-weight: 550; }
.workspace-empty p { max-width: 290px; margin: 0; font-size: 14px; }
.icon-tile { display: inline-grid; width: 48px; height: 48px; place-items: center; color: var(--primary); background: var(--primary-soft); border-radius: 16px; }
.workspace-active { display: flex; min-width: 0; flex: 1; flex-direction: column; padding: clamp(28px, 5vw, 52px); }
.workspace-header { margin-bottom: var(--space-6); padding-bottom: var(--space-5); border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent); }
.workspace-header h3 { margin: 0 0 var(--space-2); font-size: clamp(25px, 3vw, 30px); font-weight: 550; }
.workspace-header p { max-width: 590px; margin: 0; color: var(--text-secondary); font-size: 15px; }
.workspace-section { margin-bottom: var(--space-6); }
.workspace-section:last-child { margin-bottom: 0; }
.workspace-section h4 { margin: 0 0 var(--space-4); color: var(--text-primary); font-family: var(--font-display); font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.workspace-section > p { margin: 0 0 var(--space-3); color: var(--text-secondary); font-size: 14px; }
.workspace-section--guide > p code { color: var(--text-primary); font-size: 12px; }
.workspace-section--guide ol { display: grid; gap: var(--space-2); margin: 0; padding-left: 22px; color: var(--text-secondary); font-size: 14px; line-height: 1.55; }
.config-example { width: 100%; max-width: 100%; min-width: 0; margin: 0; padding: var(--space-4); overflow-x: auto; color: var(--text-primary); background: var(--canvas); border-radius: var(--radius-md); font-size: 12px; line-height: 1.65; }
.config-example code { font-family: var(--font-code); white-space: pre; }
.field-list { display: flex; flex-direction: column; gap: var(--space-2); }
.field-row { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4); background: var(--canvas); border-radius: 14px; }
.field-row label { width: 146px; flex: 0 0 auto; color: var(--text-secondary); font-size: 13px; font-weight: 600; }
.field-value { display: flex; min-width: 0; flex: 1; align-items: center; justify-content: space-between; gap: var(--space-3); }
.field-value code { min-width: 0; overflow: hidden; color: var(--text-primary); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.copy-button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 6px; padding: 8px 10px; color: var(--text-secondary); background: transparent; border: 0; border-radius: 10px; font-size: 12px; font-weight: 650; cursor: pointer; transition: color 160ms ease, background-color 160ms ease; }
.copy-button:hover { color: var(--text-primary); background: var(--surface); }
.copy-button.is-copied { color: var(--success); background: var(--success-container); }
.copy-button.is-error { color: var(--error); background: #f9e4e4; }
.copy-button--compact { margin-left: auto; }
.copy-button--compact .icon-reicon { width: 17px; height: 17px; }
.auth-panel { display: flex; gap: var(--space-3); padding: var(--space-4); color: var(--text-primary); background: var(--primary-soft); border-radius: var(--radius-md); }
.auth-panel .icon { flex: 0 0 auto; color: var(--primary); }
.auth-panel p { margin: 0; font-size: 14px; }
.auth-panel__example { display: inline-block; margin-top: var(--space-3); padding: 8px 10px; overflow-wrap: anywhere; color: var(--text-primary); background: color-mix(in srgb, var(--surface) 70%, transparent); border-radius: 8px; font-family: var(--font-code); font-size: 12px; }
.prompt-card { overflow: hidden; background: var(--canvas); border-radius: var(--radius-md); }
.prompt-card__header { display: flex; min-height: 48px; align-items: center; justify-content: space-between; padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4); color: var(--text-secondary); font-size: 13px; font-weight: 650; }
.prompt-card pre { margin: 0; padding: var(--space-4); overflow-x: auto; border-top: 1px solid var(--border); }
.prompt-card code { color: var(--text-primary); font-size: 13px; line-height: 1.7; white-space: pre-wrap; }
.prompt-keyword { color: var(--primary); }
.copy-announcement { position: fixed; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.brand-logo { display: block; object-fit: contain; }
.brand-logo--large { width: 30px; height: 30px; }
.brand-logo-fallback { color: var(--text-secondary); font-size: 30px; line-height: 1; }
.header-repository img { width: 16px; height: 16px; }
.header-documentation .icon-reicon { color: var(--primary); }

.site-footer { padding: var(--space-6) 0; background: var(--canvas); }
.site-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); color: var(--text-tertiary); font-size: 13px; }
.site-footer a { color: var(--text-secondary); font-weight: 600; text-decoration: none; }
.site-footer a:hover { color: var(--text-primary); }
.repository-link { display: inline-flex; min-height: 44px; align-items: center; gap: var(--space-2); }
.repository-link img { width: 18px; height: 18px; object-fit: contain; }

/* Tablet is neither the wide desktop split nor a stretched phone layout.
   Keep both ideas visible, but give them balanced, equal visual weight. */
@media (max-width: 1400px) {
  .hero { padding-top: clamp(72px, 8vw, 104px); padding-bottom: clamp(80px, 9vw, 112px); }
  .hero__layout { grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr); align-items: center; gap: clamp(36px, 6vw, 72px); }
  .hero__content { max-width: 430px; margin: 0 auto; text-align: center; }
  .hero__lede { margin-right: auto; margin-left: auto; }
  .hero__actions { display: grid; width: min(100%, 360px); margin: 0 auto; }
  .hero__actions .button { width: 100%; }
  .hero__art { width: 100%; max-width: 560px; margin: 0 auto 18px; }
  .hero__badge { left: 50%; transform: translateX(-50%); }
}

@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .section-heading { display: block; margin-bottom: var(--space-5); }
  .section-heading > p { margin: var(--space-3) 0 0; }
  .workspace-layout { grid-template-columns: 1fr; gap: var(--space-4); }
  .client-picker { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; padding-bottom: var(--space-2); }
  .client-picker__label { grid-column: 1 / -1; }
  .client-option { min-width: 0; }
  .workspace-content { min-height: 480px; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .site-header { height: 68px; }
  .hero__layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero__content { max-width: 700px; }
  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: clamp(38px, 12vw, 52px); }
  .hero__lede { font-size: 16px; }
  .hero__actions { width: 100%; max-width: 610px; }
  .hero__actions .button { width: 100%; }
  .hero__art { padding: 12px 0 0 12px; }
  .hero__art-stage { border-radius: 28px; }
  .hero__badge { bottom: -14px; min-height: 58px; border-radius: 16px; }
  .hero__badge img { width: 36px; height: 36px; }
  .section { padding: 64px 0; }
  .section--workspace { padding-top: 56px; }
  .client-picker { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: var(--space-2); }
  .client-picker__label { grid-column: 1 / -1; }
  .client-option { min-width: 0; min-height: 76px; gap: var(--space-2); padding: var(--space-2); }
  .client-mark { width: 36px; height: 36px; }
  .brand-logo--large, .brand-logo-fallback { width: 26px; height: 26px; font-size: 26px; }
  .client-option strong { overflow: visible; font-size: 14px; text-overflow: clip; white-space: normal; }
  .client-option small { display: none; }
  .client-option__check { display: none; }
  .workspace-content { min-height: 280px; border-radius: 20px; }
  .workspace-empty { padding: var(--space-6) var(--space-5); }
  .workspace-active { padding: var(--space-5); }
  .field-row { align-items: flex-start; flex-direction: column; gap: var(--space-2); padding: var(--space-3); }
  .field-row label { width: auto; }
  .field-value { width: 100%; }
  .site-footer__bottom { align-items: flex-start; flex-direction: column; }
  .header-action-label { display: none; }
  .header-actions .button--small { width: 44px; padding: 8px; }
}

@media (max-width: 390px) {
  .site-header__inner { gap: var(--space-2); }
  .brand { gap: var(--space-2); min-width: 0; }
  .brand-name strong { display: none; }
  .brand-name__short { display: block; }
  .header-actions { gap: var(--space-1); }
  .copy-button--compact span:not(.icon-reicon) { display: none; }
  .copy-button--compact { width: 44px; padding: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}