/* Harness Relay landing page. Tokens follow the app (src/web/styles.css): neutrals, the three
   agent colours, 14px radius, system UI text. Bricolage Grotesque is the display face. */

@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
  src: url('fonts/bricolage-grotesque-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308,
    U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #ffffff;
  --surface: #f4f4f5;
  --surface-2: #ececee;
  --border: #e4e4e7;
  --text: #18181b;
  --muted: #5f5f68;
  --primary: #18181b;
  --primary-contrast: #ffffff;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.05), 0 4px 12px -4px rgb(0 0 0 / 0.1);

  --claude: #d97757;
  --codex: #10a37f;
  --grok: #7c5cff;
  /* Text-safe versions of the agent colours on --bg (4.5:1 or better). */
  --claude-ink: #b2502c;
  --codex-ink: #0b7a5f;
  --grok-ink: #6440f0;
  /* Fills that keep white initials legible (5:1 or better) in both colour schemes. */
  --claude-deep: #b2502c;
  --codex-deep: #0b7a5f;
  --grok-deep: #6440f0;

  /* The screening band around the demo. */
  --band: #111113;
  --band-2: #1c1c1f;
  --band-text: #f4f4f5;
  --band-muted: #a1a1aa;
  --band-line: rgb(255 255 255 / 0.09);
  --claude-lit: #e8906f;
  --codex-lit: #34c79d;
  --grok-lit: #a593ff;

  --radius: 14px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang TC', 'Noto Sans TC',
    'Microsoft JhengHei', sans-serif;
  --display: 'Bricolage Grotesque', var(--font);
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(16px, 4vw, 32px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141415;
    --surface: #1e1e20;
    --surface-2: #2a2a2d;
    --border: #333336;
    --text: #ececec;
    --muted: #a1a1aa;
    --primary: #ececec;
    --primary-contrast: #18181b;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 12px -4px rgb(0 0 0 / 0.45);
    --claude-ink: #e8906f;
    --codex-ink: #34c79d;
    --grok-ink: #a593ff;
    --band: #0a0a0b;
    --band-2: #18181a;
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  caret-color: var(--grok-ink);
}

::selection {
  background: color-mix(in srgb, var(--grok) 26%, transparent);
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  transition: text-decoration-color 0.2s;
}

a:hover {
  text-decoration-color: currentColor;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--grok-ink);
  outline-offset: 3px;
  border-radius: 6px;
}

code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.92em;
}

:not(pre) > code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.05em 0.35em;
  white-space: nowrap;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-optical-sizing: auto;
  font-weight: 700;
  text-wrap: balance;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 1.3rem + 4.6vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-stretch: 92%;
}

h2 {
  font-size: clamp(2rem, 1.25rem + 2.5vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-stretch: 94%;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

:lang(zh) h1 {
  letter-spacing: -0.015em;
  line-height: 1.12;
}

:lang(zh) h2 {
  letter-spacing: -0.01em;
  line-height: 1.16;
}

p {
  margin: 0;
  text-wrap: pretty;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.lead {
  font-size: clamp(1.06rem, 1rem + 0.3vw, 1.22rem);
  line-height: 1.55;
  color: var(--muted);
  max-width: 38em;
}

.skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  background: var(--primary);
  color: var(--primary-contrast);
  padding: 8px 14px;
  border-radius: 10px;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Agent colour helpers ---------- */

.t-claude {
  --agent: var(--claude);
  --agent-ink: var(--claude-ink);
  --agent-lit: var(--claude-lit);
  --agent-deep: var(--claude-deep);
}

.t-codex {
  --agent: var(--codex);
  --agent-ink: var(--codex-ink);
  --agent-lit: var(--codex-lit);
  --agent-deep: var(--codex-deep);
}

.t-grok {
  --agent: var(--grok);
  --agent-ink: var(--grok-ink);
  --agent-lit: var(--grok-lit);
  --agent-deep: var(--grok-deep);
}

.name-claude {
  color: var(--claude);
}

.name-codex {
  color: var(--codex);
}

.name-grok {
  color: var(--grok);
}

@media (prefers-color-scheme: dark) {
  .name-claude {
    color: var(--claude-lit);
  }

  .name-codex {
    color: var(--codex-lit);
  }

  .name-grok {
    color: var(--grok-lit);
  }
}

/* The app's avatar: a coloured disc with the member's initial. */
.av {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--agent-deep, var(--text));
  color: #fff;
  font: 700 11px/22px var(--font);
  text-align: center;
}

.av-you {
  background: var(--band-text);
  color: var(--band);
}

/* The app's CLI pill: tinted background, coloured text. */
.pill {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
  color: var(--agent-ink, var(--muted));
  background: color-mix(in srgb, var(--agent, var(--muted)) 14%, transparent);
}

.chip {
  display: inline-block;
  padding: 1px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 0.2s,
    border-color 0.2s,
    transform 0.2s var(--ease);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-contrast);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--primary) 86%, var(--bg));
}

.btn-ghost {
  border-color: var(--border);
  background: var(--bg);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--text) 35%, var(--border));
}

.btn:active {
  transform: translateY(1px);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.015em;
  margin-right: auto;
}

.brand svg {
  width: 28px;
  height: 28px;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 14.5px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.lang a {
  padding: 4px 11px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
}

.lang a[aria-current='page'] {
  background: var(--surface-2);
  color: var(--text);
}

.lang a:not([aria-current]):hover {
  color: var(--text);
}

.header-tools .btn {
  height: 36px;
  padding: 0 14px;
  font-size: 14px;
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(36px, 5vw, 64px) clamp(28px, 3.4vw, 44px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 18px clamp(24px, 4vw, 64px);
  align-items: start;
}

.hero-grid h1 {
  grid-column: 1 / -1;
  max-width: 15em;
  margin-bottom: clamp(6px, 1vw, 14px);
}

/* The lead sits left of the command and buttons. */
.hero-side {
  display: contents;
}

.hero-grid .lead {
  grid-column: 1;
  grid-row: 2 / span 2;
}

.hero-grid .cmd {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
}

.hero-grid .cta-row {
  grid-column: 2;
  grid-row: 3;
}

.cmd {
  position: relative;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 52px 13px 16px;
}

.cmd pre {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  overflow-x: auto;
  scrollbar-width: thin;
}

.cmd pre::before {
  content: none;
}

.cmd .prompt {
  color: var(--muted);
  user-select: none;
}

.copy {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  transition:
    background-color 0.2s,
    color 0.2s;
}

.copy:hover {
  background: var(--surface-2);
  color: var(--text);
}

.copy svg {
  width: 17px;
  height: 17px;
}

.copy .i-check {
  display: none;
}

.copy.is-done {
  color: var(--codex-ink);
}

.copy.is-done .i-copy {
  display: none;
}

.copy.is-done .i-check {
  display: block;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.text-link {
  font-weight: 600;
  font-size: 15px;
}

/* ---------- The screening: demo video + chapter rail ---------- */

.screening {
  background: var(--band);
  color: var(--band-text);
  padding-block: clamp(20px, 3vw, 36px);
}

.screening-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(20px, 2.4vw, 32px);
  align-items: start;
}

.player {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: var(--band-2);
  box-shadow:
    0 0 0 1px var(--band-line),
    0 30px 70px -30px rgb(0 0 0 / 0.8);
}

.player video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rail {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.rail h2 {
  font-size: 1.45rem;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

.rail-note {
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--band-muted);
}

.chapters {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.chapter {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 2px 8px;
  width: 100%;
  padding: 9px 12px 11px 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--band-muted);
  text-align: left;
  transition:
    background-color 0.25s,
    color 0.25s;
}

.chapter:hover {
  background: rgb(255 255 255 / 0.045);
  color: var(--band-text);
}

.chapter[aria-current='true'] {
  background: rgb(255 255 255 / 0.075);
  color: var(--band-text);
}

.chapter time {
  grid-row: span 2;
  padding-top: 2px;
  font: 500 12px/1.5 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--band-muted);
}

.chapter[aria-current='true'] time {
  color: var(--band-text);
}

.actor {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  font-size: 12.5px;
  font-weight: 650;
  color: var(--band-text);
}

.actor .av {
  width: 18px;
  height: 18px;
  font-size: 9.5px;
  line-height: 18px;
}

.actor .stack {
  display: flex;
}

.actor .stack .av + .av {
  margin-left: -5px;
  box-shadow: 0 0 0 2px var(--band);
}

.actor .who {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.actor .via {
  font-weight: 600;
  color: var(--agent-lit, var(--band-muted));
  white-space: nowrap;
}

.chapter .say {
  font-size: 14px;
  line-height: 1.45;
}

/* Progress inside the active chapter, in the colour of whoever acts. */
.chapter .bar {
  position: absolute;
  left: 10px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--agent-lit, var(--band-text));
  clip-path: inset(0 calc((1 - var(--p, 0)) * 100%) 0 0 round 2px);
  opacity: 0;
  transition: opacity 0.3s;
}

.chapter.t-team .bar {
  background: linear-gradient(
    90deg,
    var(--claude-lit) 0 33.33%,
    var(--codex-lit) 33.33% 66.66%,
    var(--grok-lit) 66.66% 100%
  );
}

.chapter[aria-current='true'] .bar {
  opacity: 1;
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(72px, 9vw, 132px);
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-head {
  display: grid;
  gap: 18px;
  max-width: 46rem;
  margin-bottom: clamp(36px, 4.5vw, 60px);
}

/* Agents: the mark at page scale. */
.agents-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}

.agents-grid .section-head {
  margin-bottom: 28px;
}

.driven {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--border);
}

.driven > div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.driven dt {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 700;
}

.driven dt::before {
  content: '';
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--agent);
  transform: translateY(-1px);
}

.driven dd {
  margin: 0;
  color: var(--muted);
}

.agents-foot {
  margin-top: 20px;
  color: var(--muted);
}

.mark {
  position: relative;
  aspect-ratio: 25 / 23;
  width: 100%;
  max-width: 520px;
  justify-self: end;
}

.disc {
  position: absolute;
  display: grid;
  place-content: center;
  gap: 4px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--agent);
  text-align: center;
  transform: translate(-50%, -50%);
  transition: transform 0.6s var(--ease);
}

.disc strong {
  font-family: var(--display);
  font-size: clamp(19px, 1rem + 1vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.disc code {
  justify-self: center;
  padding: 1px 10px;
  border: 0;
  border-radius: 8px;
  background: color-mix(in srgb, currentColor 13%, transparent);
  color: inherit;
  font-size: clamp(19px, 0.95rem + 0.4vw, 21px);
  font-weight: 700;
}

.disc.t-claude {
  left: 24%;
  top: 47.8%;
  width: 48%;
  color: #18181b;
}

.disc.t-codex {
  left: 80%;
  top: 21.7%;
  width: 40%;
  color: #18181b;
}

.disc.t-grok {
  left: 80%;
  top: 78.3%;
  width: 40%;
  color: #ffffff;
}

/* Modes */
.modes-tabs {
  display: none;
  gap: 6px;
  padding: 5px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  width: max-content;
  max-width: 100%;
}

.js .modes-tabs {
  display: inline-flex;
}

.modes-tabs button {
  height: 40px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 650;
  font-size: 15px;
  transition:
    background-color 0.2s,
    color 0.2s;
}

.modes-tabs button:hover {
  color: var(--text);
}

.modes-tabs button[aria-selected='true'] {
  background: var(--primary);
  color: var(--primary-contrast);
}

.mode-panels {
  display: grid;
  gap: 18px;
}

.mode-panel {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(20px, 3vw, 40px);
  background: var(--surface);
  border-radius: 22px;
}

.js .mode-panel:not(.is-active) {
  display: none;
}

.mode-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.mode-copy h3 {
  font-size: clamp(1.6rem, 1.2rem + 1vw, 2.1rem);
  letter-spacing: -0.02em;
}

.mode-copy p {
  color: var(--muted);
}

.mode-copy .good {
  color: var(--text);
}

.mode-copy .good b {
  font-weight: 650;
}

.mode-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.mode-svg .you {
  fill: var(--text);
}

.mode-svg .you-label {
  fill: var(--bg);
  font: 700 15px var(--font);
  text-anchor: middle;
  dominant-baseline: central;
}

.mode-svg .node {
  fill: var(--agent);
}

.mode-svg .name {
  fill: var(--text);
  font: 650 16px var(--font);
}

.mode-svg .tag {
  fill: var(--muted);
  font: 500 13.5px var(--font);
}

.mode-svg .tag.strong {
  fill: var(--agent-ink, var(--text));
  font-weight: 650;
}

.mode-svg .edge {
  fill: none;
  stroke: color-mix(in srgb, var(--text) 55%, transparent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 1;
}

.mode-svg .edge.soft {
  stroke-dasharray: 0.012 0.012;
}

.mode-svg .tip {
  fill: color-mix(in srgb, var(--text) 55%, transparent);
}

.mode-svg .box {
  fill: none;
  stroke: color-mix(in srgb, var(--text) 30%, transparent);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.mode-svg .halo {
  fill: none;
  stroke: var(--agent);
  stroke-width: 2;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.mode-svg .round {
  fill: var(--bg);
  stroke: var(--border);
}

.mode-svg .round-label {
  fill: var(--text);
  font: 650 13px var(--font);
  text-anchor: middle;
  dominant-baseline: central;
}

/* Diagrams act their mode out step by step (site.js). Without JS, or with reduced motion,
   every step is shown at once. */
.js .mode-svg [data-step] {
  transition:
    stroke-dashoffset 0.7s var(--ease),
    opacity 0.45s var(--ease);
}

.js .mode-svg .edge[data-step]:not(.on) {
  stroke-dashoffset: 1;
}

.js .mode-svg .edge.soft[data-step]:not(.on) {
  opacity: 0;
}

.js .mode-svg .tip[data-step],
.js .mode-svg .tag[data-step],
.js .mode-svg .box[data-step],
.js .mode-svg .round-g[data-step] {
  opacity: 0;
}

.js .mode-svg .tip[data-step].on {
  opacity: 1;
  transition-delay: 0.45s;
}

.js .mode-svg .tag[data-step].on,
.js .mode-svg .box[data-step].on,
.js .mode-svg .round-g[data-step].on {
  opacity: 1;
}

.mode-svg .halo.now {
  animation: halo 1.2s var(--ease) infinite;
}

@keyframes halo {
  0% {
    opacity: 0.9;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.75);
  }
}

/* Teams */
.teams-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 80px);
  align-items: start;
}

.teams-copy {
  display: grid;
  gap: 18px;
}

.teams-copy p {
  color: var(--muted);
}

.teams-copy p strong {
  color: var(--text);
}

.picker {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.picker-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  font-weight: 650;
  color: var(--muted);
}

.tpl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.tpl:last-child {
  border-bottom: 0;
}

.tpl.auto {
  background: color-mix(in srgb, var(--grok) 7%, var(--bg));
}

.tpl .members {
  display: flex;
  grid-row: span 2;
  padding-top: 2px;
}

.tpl .members .av + .av {
  margin-left: -6px;
  box-shadow: 0 0 0 2px var(--bg);
}

.tpl.auto .members .av + .av {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--grok) 7%, var(--bg));
}

.tpl .spark {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
}

.tpl .spark svg {
  width: 13px;
  height: 13px;
}

.tpl-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-weight: 700;
}

.tpl p {
  font-size: 14.5px;
  color: var(--muted);
}

/* You stay in charge: excerpts of the app's own UI. */
.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px) clamp(24px, 3vw, 40px);
}

.excerpt {
  display: grid;
  gap: 18px;
  align-content: start;
}

.excerpt-text {
  display: grid;
  gap: 6px;
}

.excerpt-text p {
  color: var(--muted);
  max-width: 34em;
}

.ui {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.5;
}

.ui-msg {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 10px;
}

.ui-msg .av {
  width: 26px;
  height: 26px;
  line-height: 26px;
  font-size: 12px;
}

.ui-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  font-weight: 700;
  min-height: 26px;
}

.ui-body {
  grid-column: 2;
  display: grid;
  gap: 10px;
}

.ui-approval {
  border: 1px solid color-mix(in srgb, #d97706 45%, var(--border));
  background: color-mix(in srgb, #d97706 6%, var(--bg));
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  gap: 10px;
}

.ui-approval-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-weight: 650;
}

.waiting {
  color: #b45309;
  font-size: 12.5px;
  font-weight: 650;
  white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
  .waiting {
    color: #fbbf24;
  }
}

.ui pre {
  margin: 0;
  padding: 10px 12px;
  border-radius: 9px;
  background: #0d1117;
  color: #e6edf3;
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.ui-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ui-btn {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.ui-btn.dark {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-contrast);
}

.ui-muted {
  color: var(--muted);
  font-size: 13px;
}

.files {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12.5px;
}

.files li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
}

.files .st {
  font-weight: 700;
}

.files .st.m {
  color: #b45309;
}

.files .st.a {
  color: var(--codex-ink);
}

.files .path {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.files .n {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.files .add {
  color: var(--codex-ink);
}

.files .del {
  color: #dc2626;
}

@media (prefers-color-scheme: dark) {
  .files .st.m {
    color: #fbbf24;
  }

  .files .del {
    color: #f87171;
  }
}

.ui-tray {
  display: grid;
  gap: 10px;
}

.tray-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface);
}

.composer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px 10px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.composer > span:first-child {
  flex: 1;
  min-width: 0;
}

.stop {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-contrast);
  font-size: 13px;
  font-weight: 650;
}

.stop::before {
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: currentColor;
}

.excerpt-note {
  margin-top: clamp(28px, 3vw, 40px);
  font-size: 13.5px;
  color: var(--muted);
}

/* Also included */
.more {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(28px, 5vw, 72px);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.more li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.more li b {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
  font-weight: 650;
}

/* Safety */
.safety-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  /* The last row takes up the table's extra height, so the paragraph and list stay together. */
  grid-template-rows: auto auto 1fr;
  gap: 18px clamp(36px, 5vw, 80px);
  align-items: start;
}

/* The heading takes the first row on its own, so the permission table starts level with the
   paragraph under it. */
.safety-copy {
  display: contents;
}

.safety-copy h2 {
  grid-column: 1;
  grid-row: 1;
}

.safety-copy > p {
  grid-column: 1;
  grid-row: 2;
  color: var(--muted);
}

.safety-copy .facts {
  grid-column: 1;
  grid-row: 3;
}

.safety-side {
  grid-column: 2;
  grid-row: 2 / span 2;
}

.perm {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.perm caption {
  text-align: left;
  font-weight: 650;
  padding-bottom: 10px;
}

.perm th,
.perm td {
  text-align: left;
  vertical-align: top;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.perm th {
  width: 9.5em;
  padding-right: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.perm td {
  color: var(--muted);
}

.perm tr:last-child th,
.perm tr:last-child td {
  border-bottom: 1px solid var(--border);
}

.facts {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.facts li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  color: var(--muted);
}

.facts svg {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--text);
}

/* Quick start */
.start {
  background: var(--surface);
}

.section.start {
  border-top: 0;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--border);
  counter-reset: step;
}

/* One row per step: title on the left, what to do on the right. */
.steps > li {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: 12px clamp(24px, 4vw, 64px);
  align-items: start;
  padding: clamp(22px, 2.6vw, 32px) 0;
  border-bottom: 1px solid var(--border);
  counter-increment: step;
}

.steps > li > * {
  min-width: 0;
}

.steps h3::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-contrast);
  font: 700 15px/1 var(--font);
  vertical-align: 3px;
}

.steps p,
.steps li li {
  color: var(--muted);
}

.steps ul {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: 4px;
}

.steps .cmd {
  background: var(--bg);
}

.start-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px 32px;
  margin-top: clamp(28px, 3vw, 40px);
}

.start-foot p {
  color: var(--muted);
}

.docs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-weight: 600;
}

/* Footer */
.site-footer {
  padding-block: 32px 40px;
  font-size: 14px;
  color: var(--muted);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
}

.footer-row .brand {
  font-size: 16px;
  color: var(--text);
  margin-right: 0;
}

.footer-row .brand svg {
  width: 22px;
  height: 22px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .screening-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (max-width: 920px) {
  .site-nav {
    display: none;
  }

  .hero-grid,
  .agents-grid,
  .teams-grid,
  .safety-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .safety-grid {
    grid-template-rows: none;
  }

  .screening-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .chapters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .mark {
    justify-self: center;
    max-width: 440px;
  }

  .mode-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps > li {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-grid .lead,
  .hero-grid .cmd,
  .hero-grid .cta-row,
  .safety-copy h2,
  .safety-copy > p,
  .safety-copy .facts,
  .safety-side {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 680px) {
  .header-tools .btn span {
    display: none;
  }

  .header-tools .btn {
    width: 36px;
    padding: 0;
    justify-content: center;
  }

  .chapters {
    grid-template-columns: minmax(0, 1fr);
  }

  .control-grid,
  .more {
    grid-template-columns: minmax(0, 1fr);
  }

  .driven > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .perm th {
    width: auto;
  }

  .modes-tabs {
    display: none;
    width: 100%;
  }

  .js .modes-tabs {
    display: flex;
  }

  .modes-tabs button {
    flex: 1;
    padding: 0 8px;
  }

  /* Phones: let long commands wrap instead of hiding behind a scrollbar. */
  .cmd pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  /* Phones: the diagram scales down to ~60%, so its labels grow to stay legible. */
  .mode-panel {
    padding: 16px 14px 22px;
  }

  .mode-svg .name {
    font-size: 21px;
  }

  .mode-svg .tag {
    font-size: 18px;
  }

  .mode-svg .you-label {
    font-size: 19px;
  }

  .mode-svg .round-label {
    font-size: 16px;
  }
}

@media (max-width: 420px) {
  .brand span {
    display: none;
  }

  .header-row {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}