:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #121e30;
  --panel2: #17263b;
  --ink: #edf4ff;
  --muted: #a9b9cf;
  --line: #2a3b53;
  --accent: #79d5c4;
  --accent2: #a9a2ff;
  --max: 1120px;
  --warn: #f0d48a;
  --danger: #ffb4b4;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse at 75% 0%, rgba(121, 213, 196, .13), transparent 35%),
    radial-gradient(ellipse at 10% 20%, rgba(169, 162, 255, .12), transparent 32%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, sans-serif;
}

a { color: inherit; }

.wrap { width: min(calc(100% - 40px), var(--max)); margin: auto; }

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--accent);
  color: #071b1a;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 20;
  font-weight: 700;
  text-decoration: none;
}

.skip:focus { top: 12px; }

header {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 18, 32, .78);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { font-weight: 750; letter-spacing: .02em; text-decoration: none; }
.brand span { color: var(--accent); }

nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
nav a:hover,
nav a[aria-current="page"] { color: var(--ink); }

.hero { padding: 88px 0 70px; }

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .76rem;
  font-weight: 700;
}

h1 {
  max-width: 850px;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  line-height: .99;
  letter-spacing: -.055em;
  margin: 18px 0;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  color: var(--ink);
  cursor: pointer;
  min-height: 44px;
}

.btn.primary { background: var(--accent); color: #071b1a; border-color: var(--accent); }
.btn.secondary { background: rgba(255, 255, 255, .03); }
.btn.danger { color: var(--danger); border-color: #6a3a44; }
.btn:hover { border-color: var(--accent); }

section { padding: 58px 0; border-top: 1px solid var(--line); }

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -.035em;
  margin: 0 0 14px;
}

.intro { color: var(--muted); max-width: 740px; margin: 0 0 28px; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }

.card {
  grid-column: span 4;
  background: linear-gradient(145deg, var(--panel2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.card.wide { grid-column: span 6; }
.card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.card p { color: var(--muted); margin: 0; }
.card p + p { margin-top: 12px; }

.number { color: var(--accent); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }

.principle {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 18px;
  color: var(--muted);
}

.principle strong { color: var(--ink); }

.layers { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .035);
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--muted);
  font-size: .9rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: .85rem;
  font-weight: 700;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.callout {
  margin-top: 22px;
  max-width: 760px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: rgba(18, 30, 48, .78);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--muted);
}

.callout strong { color: var(--ink); }

.text-link { color: var(--accent); font-weight: 700; }

footer {
  padding: 30px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.choice:focus-within .choice-body {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

.builder-intro { padding: 36px 0 8px; }

.builder-page h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }

.builder-page h2 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

.builder-layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding-top: 22px;
}

.panel {
  background: linear-gradient(145deg, var(--panel2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.preview-frame {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0b1220;
}

.preview-frame svg {
  display: block;
  width: 100%;
  height: auto;
}

.preview-name {
  margin: 14px 0 0;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -.03em;
  overflow-wrap: anywhere;
}

.preview-bio {
  margin: 4px 0 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.preview-bio.is-empty { font-style: italic; }

.button-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.live-status,
.live-error,
.dirty-flag {
  min-height: 1.5em;
  margin: 10px 0 0;
  font-weight: 700;
}

.live-status { color: var(--accent); }
.live-error { color: var(--danger); }
.dirty-flag { color: var(--warn); }

fieldset { border: 0; margin: 0 0 18px; padding: 0; }

legend { font-weight: 750; padding: 0; margin-bottom: 8px; }

.choices { display: flex; flex-wrap: wrap; gap: 8px; }

.choice { position: relative; display: inline-flex; }

.choice input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.choice-body {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
}

.choice input:checked + .choice-body {
  border-color: var(--accent);
  background: rgba(121, 213, 196, .14);
  color: var(--ink);
}

.swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .45);
  flex: none;
}

label.field { display: block; font-weight: 750; margin: 4px 0 8px; }

input[type="text"],
textarea,
select,
input[type="file"] {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: #0e1828;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  min-height: 44px;
}

textarea { resize: vertical; min-height: 96px; }

::placeholder { color: #8ea0b8; }

.field-block { margin-bottom: 16px; }

.profiles { padding-top: 28px; }

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

.profile,
.empty-profile {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .03);
  padding: 12px;
}

.profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px 10px;
  align-items: center;
}

.profile.is-active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.profile.is-renaming { display: block; }

.profile-switch {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 8px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 750;
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.profile-switch:hover { color: var(--accent); }

.profile-meta,
.profile time {
  display: block;
  color: var(--muted);
  font-size: .92rem;
  margin: 0;
  overflow-wrap: anywhere;
}

.rename-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.rename-form input { flex: 1 1 180px; width: auto; }

.import-block { margin-top: 18px; }

.hint { color: var(--muted); margin-top: 0; }

#preview-context { margin: 8px 0 0; color: var(--accent); font-weight: 700; }

#shown-layers {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#shown-layers li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
  font-size: .92rem;
}

.wardrobe { padding-top: 8px; }
.wardrobe h3 { margin: 0 0 8px; font-size: 1.15rem; }
.model-title { margin-top: 36px; font-size: 1.45rem; }

.wardrobe-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stack-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: grid;
  gap: 8px;
}

.layer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
  padding: 8px;
}

.layer.is-hidden { opacity: .55; }
.layer.is-active { border-color: var(--accent); }

.layer-text { overflow-wrap: anywhere; }

.stack-form { margin-top: 8px; }

#place-status { color: var(--muted); margin-top: 0; }

.original-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 42%);
  gap: 14px;
  align-items: start;
}

.original-copy .preview-name {
  margin-top: 8px;
  font-size: 1.1rem;
}

.original-frame {
  max-width: 220px;
  justify-self: end;
}

@media (max-width: 640px) {
  .original-layout { grid-template-columns: 1fr; }
  .original-frame { justify-self: start; max-width: 180px; }
}

@media (min-width: 861px) {
  .preview-card { position: sticky; top: 88px; }
}

@media (max-width: 860px) {
  .builder-layout,
  .wardrobe-grid { grid-template-columns: 1fr; }
  .preview-card { position: static; }
}

@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  nav { gap: 12px; }
  .hero { padding: 64px 0 52px; }
  .card,
  .card.wide { grid-column: span 12; }
}

@media (max-width: 640px) {
  .profile,
  .layer { grid-template-columns: 1fr 1fr; }
  .profile-id,
  .layer-text { grid-column: 1 / -1; }
  .wrap { width: min(calc(100% - 28px), var(--max)); }
}

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


.identity-dialog {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0;
  background: transparent;
  color: var(--ink);
  max-width: min(420px, calc(100vw - 32px));
}

.identity-dialog::backdrop {
  background: rgba(5, 10, 20, .72);
  backdrop-filter: blur(4px);
}

.identity-panel {
  margin: 0;
  padding: 22px;
}

.identity-panel h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.optional-mark {
  color: var(--muted);
  font-weight: 500;
}


.agents { padding-top: 28px; }
.agents h3 { margin: 0 0 10px; font-size: 1.05rem; }
.agent-link-panel {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.human-root-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: .92rem;
}
.linked-agents {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.linked-agents li {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px 4px 4px;
  background: rgba(121, 213, 196, .08);
  font-size: .9rem;
}
.linked-agents .agent-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent), var(--accent2));
  display: grid;
  place-items: center;
  color: #071b1a;
  font-size: .7rem;
  font-weight: 800;
}
.agent-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
}
.agent-card-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.agent-meta { color: var(--muted); font-size: .92rem; }
.agent-perms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.agent-perms span,
.agent-reveals span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: .82rem;
  color: var(--muted);
}
.agent-reveals { display: flex; flex-wrap: wrap; gap: 6px; }