:root {
  color-scheme: dark;
  --ink: #f4f4ee;
  --muted: #aaa9a1;
  --dim: #979790;
  --paper: #0b0d0c;
  --panel: #121613;
  --panel-2: #171c18;
  --line: #2b312c;
  --green: #b9ff66;
  --green-deep: #27391b;
  --amber: #ffcb69;
  --danger: #ff847a;
  --radius: 1.35rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 2%, rgba(185, 255, 102, .09), transparent 27rem),
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 3.5rem 3.5rem, 3.5rem 3.5rem, auto;
}

button, select, input { font: inherit; }

button, select {
  min-height: 44px;
  border: 1px solid var(--green);
  border-radius: .7rem;
  background: var(--green);
  color: #10150c;
  font-weight: 750;
  padding: .72rem 1rem;
}

button { cursor: pointer; }

button:hover:not(:disabled) { filter: brightness(1.08); transform: translateY(-1px); }
button:active:not(:disabled) { transform: translateY(0); }
button:disabled { cursor: not-allowed; opacity: .35; filter: grayscale(.45); }

button.secondary, select {
  border-color: var(--line);
  background: var(--panel-2);
  color: var(--ink);
}

button.danger { border-color: var(--danger); background: transparent; color: var(--danger); }
button.compact { padding-inline: .85rem; }

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: .75rem;
  left: .75rem;
  transform: translateY(-180%);
  padding: .8rem 1rem;
  border-radius: .5rem;
  background: var(--ink);
  color: var(--paper);
}

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

.site-header, main, footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.wordmark { display: flex; align-items: center; gap: .7rem; color: var(--ink); text-decoration: none; }
.wordmark-mark { display: grid; place-items: center; width: 2.15rem; height: 2.15rem; border: 1px solid var(--green); border-radius: 50%; color: var(--green); font-family: ui-monospace, monospace; }
.wordmark strong { color: var(--green); }
.mode-pill { display: flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .8rem; margin: 0; }
.mode-pill span { width: .5rem; height: .5rem; border-radius: 50%; background: var(--green); box-shadow: 0 0 1rem var(--green); }

.hero { padding: clamp(2.8rem, 6vw, 4.8rem) 0 2.2rem; max-width: 940px; }
.eyebrow, .section-kicker { margin: 0 0 .7rem; color: var(--green); font: 700 .73rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 0; max-width: 900px; font-size: clamp(2.55rem, 5vw, 4.8rem); line-height: .98; letter-spacing: -.055em; font-weight: 730; }
.lede { max-width: 760px; margin: 1.35rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.7vw, 1.2rem); line-height: 1.5; }

.binding-card, .lifecycle-shell, .handoff-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.025), transparent 50%), var(--panel);
}

.binding-card { margin-top: 1.25rem; padding: clamp(1.35rem, 4vw, 2.4rem); }
h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.35rem); letter-spacing: -.035em; }
.binding-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem 2rem; margin: 2rem 0 0; }
.binding-grid div { min-width: 0; }
.binding-grid dt { color: var(--dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.binding-grid dd { margin: .35rem 0 0; }
.binding-grid .hash-row { grid-column: 1 / -1; padding-top: .7rem; border-top: 1px solid var(--line); }
code, pre { font: 500 .78rem/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
code { color: var(--green); overflow-wrap: anywhere; }
.fine-print { margin: 1.5rem 0 0; color: var(--muted); font-size: .88rem; }

.lifecycle-shell { display: grid; grid-template-columns: .82fr 1.18fr; margin-top: 1.25rem; overflow: hidden; }
.timeline-panel, .control-panel { padding: clamp(1.35rem, 4vw, 2.4rem); }
.timeline-panel { border-right: 1px solid var(--line); }
.timeline { list-style: none; padding: 0; margin: 2.2rem 0 0; }
.timeline li { position: relative; display: flex; gap: 1rem; min-height: 4.8rem; color: var(--dim); }
.timeline li:not(:last-child)::after { content: ""; position: absolute; top: 2rem; bottom: 0; left: .88rem; width: 1px; background: var(--line); }
.timeline li > span { position: relative; z-index: 1; display: grid; flex: 0 0 1.8rem; height: 1.8rem; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--panel); font: 700 .65rem ui-monospace, monospace; }
.timeline strong, .timeline small { display: block; }
.timeline strong { margin-top: .1rem; font-size: .95rem; }
.timeline small { margin-top: .25rem; color: inherit; line-height: 1.35; }
.timeline li[data-progress="complete"] { color: var(--ink); }
.timeline li[data-progress="complete"] > span { border-color: var(--green); background: var(--green-deep); color: var(--green); }
.timeline li[data-progress="current"] { color: var(--green); }
.timeline li[data-progress="current"] > span { border-color: var(--green); box-shadow: 0 0 1.2rem rgba(185,255,102,.18); }

.state-heading, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.state-heading > div { min-width: 0; }
.state-name { margin: 0; font: 700 clamp(1.35rem, 4vw, 3.4rem)/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: -.05em; overflow-wrap: anywhere; }
.bound-chip { display: inline-flex; margin: 1rem 0 0; padding: .38rem .65rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 650 .73rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.state-dot { flex: 0 0 1rem; width: 1rem; height: 1rem; border: 2px solid var(--green); border-radius: 50%; box-shadow: 0 0 1.2rem rgba(185,255,102,.35); }
[data-busy="true"] .state-dot { background: var(--green); animation: pulse 1.1s ease-in-out infinite; }
.status-copy { min-height: 3rem; margin: 1.35rem 0 0; color: var(--muted); line-height: 1.5; }
.live-status { padding: .8rem 1rem; border-left: 2px solid var(--green); background: rgba(185,255,102,.055); color: var(--muted); font-size: .85rem; }
.error-status { padding: .8rem 1rem; border-left: 2px solid var(--danger); background: rgba(255,132,122,.07); color: #ffc0ba; font-size: .85rem; }
.action-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin-top: 1.5rem; }
.field { display: grid; gap: .4rem; }
.field label { color: var(--muted); font-size: .78rem; }
.confirm-row { display: flex; align-items: center; gap: .75rem; min-height: 44px; color: var(--muted); font-size: .8rem; line-height: 1.35; }
.confirm-row input { width: 1.25rem; height: 1.25rem; accent-color: var(--green); flex: 0 0 auto; }

.handoff-section { margin-top: 1.25rem; padding: clamp(1.35rem, 4vw, 2.4rem); }
.handoff-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.handoff-grid article { min-width: 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(0,0,0,.12); }
.handoff-grid h3 { margin: 0; font-size: 1rem; }
.handoff-grid p { min-height: 2.8rem; color: var(--muted); font-size: .85rem; line-height: 1.5; }
pre { min-height: 9rem; max-height: 15rem; overflow: auto; margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .65rem; background: #090b09; color: var(--green); white-space: pre-wrap; overflow-wrap: anywhere; }
.button-row { display: flex; flex-wrap: wrap; gap: .65rem; }
.access-result { margin: 1.5rem 0 0; color: var(--muted); }

.truth-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 1.25rem 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.truth-strip p { display: grid; place-items: center; gap: .35rem; min-height: 8.5rem; margin: 0; padding: 1rem; text-align: center; }
.truth-strip p + p { border-left: 1px solid var(--line); }
.truth-strip strong { color: var(--green); font: 700 2rem ui-monospace, monospace; }
.truth-strip span { color: var(--muted); font-size: .78rem; }

footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--dim); font-size: .78rem; }
footer p { margin: 0; }

@keyframes pulse { 50% { opacity: .3; transform: scale(.78); } }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; padding: 1.2rem 0; }
  .mode-pill { max-width: 12rem; text-align: right; }
  .lifecycle-shell, .handoff-grid { grid-template-columns: 1fr; }
  .control-panel { order: -1; border-bottom: 1px solid var(--line); }
  .timeline-panel { border-right: 0; }
  .truth-strip { grid-template-columns: repeat(2, 1fr); }
  .truth-strip p:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .truth-strip p:nth-child(4) { border-top: 1px solid var(--line); }
}

@media (max-width: 430px) {
  .site-header, main, footer { width: min(100% - 1rem, 1180px); }
  .site-header { display: grid; }
  .mode-pill { max-width: none; text-align: left; }
  .hero { padding-top: 3.5rem; }
  .binding-grid, .action-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  footer { display: grid; }
}

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