:root {
  --bg: #efe7da;
  --bg-elev: #fffaf3;
  --ink: #1c1915;
  --muted: #5f584e;
  --line: #e0d3c2;
  --nav: #1c2c29;
  --nav-ink: #f4efe6;
  --nav-dim: #b7c4be;
  --accent: #9a4324;
  --accent-ink: #fff7f2;
  --pine: #1f3f38;
  --pine-ink: #f4efe6;
  --good: #1d6b45;
  --bad: #8d2f2a;
  --warn: #8a5a12;
  --shadow: 0 16px 40px rgba(58, 40, 22, 0.08);
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Public Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.lists { grid-template-columns: 232px minmax(0, 1fr); }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(154, 67, 36, 0.08), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 360px;
}
a { color: var(--pine); }
button, input, select, textarea { font: inherit; color: inherit; }
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: white;
  padding: 8px 12px;
  z-index: 9;
}
.skip:focus { top: 12px; }

.nav {
  background: var(--nav);
  color: var(--nav-ink);
  padding: 22px 16px 28px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 22px;
}
.mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #c4622d;
  color: white;
  font-family: var(--serif);
  font-weight: 650;
}
.brand strong { display: block; font-size: 15px; letter-spacing: 0.01em; }
.brand span { color: var(--nav-dim); font-size: 12px; }
.nav a {
  display: block;
  color: var(--nav-dim);
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 8px;
}
.nav a:hover, .nav a:focus { color: white; background: rgba(255, 255, 255, 0.06); }
.nav .group {
  margin: 16px 8px 6px;
  color: #8ea29b;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

main { min-width: 0; padding: 22px 28px 64px; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 18px;
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  padding: 8px 0 12px;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 34px; line-height: 1.05; }
.lede { margin: 6px 0 0; max-width: 62ch; color: var(--muted); }
.stamps { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.stamp, .chip {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--mono);
}
.stamp strong { font-family: var(--sans); }
#last-action { max-width: 420px; }

.banner, .callout, .card, .rail {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.banner, .callout { padding: 14px 16px; margin-bottom: 16px; }
.banner.memory { background: #fff6e8; }
.banner.sandbox { background: #eef6f2; }
.callout {
  border-color: #e4b49a;
  background:
    linear-gradient(180deg, rgba(154, 67, 36, 0.08), transparent 70%),
    var(--bg-elev);
}
.card { padding: 16px 16px 18px; margin: 0 0 14px; box-shadow: var(--shadow); }
.card-head, .split { display: flex; gap: 12px; align-items: flex-start; }
.card-head { margin-bottom: 12px; }
.num {
  flex: 0 0 auto;
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--nav);
  color: var(--nav-ink);
  font-family: var(--serif);
  font-size: 18px;
}
.num.helper { background: var(--warn); font-size: 12px; padding: 0 8px; }
.spec { margin: 4px 0 0; color: var(--muted); }
.note { color: var(--muted); font-size: 13px; }
.warn-text { color: var(--warn); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.span-2 { grid-column: span 2; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 9px 10px;
  color: var(--ink);
}
textarea { min-height: 74px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 2px solid #1f6f5b;
  outline-offset: 2px;
}
fieldset {
  border: 1px dashed var(--line);
  border-radius: 12px;
  margin: 0;
  padding: 10px;
}
legend { padding: 0 6px; color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.checks { display: flex; gap: 8px; align-items: center; color: var(--ink); }
.checks input { width: auto; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--pine);
  color: var(--pine-ink);
  cursor: pointer;
}
button.ghost, button.danger { background: transparent; }
button.ghost { border: 1px solid var(--line); color: var(--ink); }
button.danger { border: 1px solid #e4b6b2; color: var(--bad); }
button:disabled { opacity: 0.6; cursor: progress; }
.chain { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.chain li {
  background: #f6f0e6;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
}
.steps { margin: 8px 0 0; padding-left: 18px; }
.steps li { margin: 4px 0; }

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 16px;
  border-radius: 0;
  border-top: 0;
  border-bottom: 0;
  border-right: 0;
}
.rail h2 { font-size: 22px; margin-bottom: 8px; }
.clip { display: grid; gap: 6px; margin: 8px 0 14px; }
.clip button {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  text-align: left;
  background: #f6f0e6;
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 10px;
}
.clip code, .mono { font-family: var(--mono); font-size: 12px; }
.result-card { border-top: 1px solid var(--line); padding-top: 12px; }
pre.json {
  margin: 8px 0 0;
  max-height: 420px;
  overflow: auto;
  background: #241c18;
  color: #f6efe6;
  border-radius: 12px;
  padding: 12px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.ok { color: var(--good); }
.bad { color: var(--bad); }
.policy, .audit { width: 100%; border-collapse: collapse; font-size: 13px; }
.policy th, .policy td, .audit td { border-bottom: 1px solid var(--line); text-align: left; padding: 6px 4px; vertical-align: top; }
.inbox { display: grid; gap: 8px; }
.inbox article { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }

@media (max-width: 1100px) {
  body { display: block; }
  .nav {
    position: sticky;
    top: 0;
    height: auto;
    z-index: 4;
    display: flex;
    gap: 8px;
    align-items: center;
    overflow: auto;
    padding: 10px;
  }
  .brand { margin: 0 8px 0 0; min-width: max-content; }
  .nav .group { display: none; }
  .nav a { white-space: nowrap; }
  main { padding: 16px; }
  .topbar { display: block; }
  .rail {
    position: static;
    height: auto;
    border: 0;
    padding: 0 16px 28px;
  }
}
@media (max-width: 700px) {
  .grid, .span-2 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  h1 { font-size: 28px; }
}

body.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  grid-template-columns: 1fr;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
}
.login-card .brand { margin-bottom: 18px; }
.login-card .brand span { color: var(--muted); }
.login-card h1 { font-family: var(--serif); font-size: 28px; margin: 0 0 8px; }
.login-form { display: grid; gap: 12px; margin-top: 16px; }
.login-form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.login-form input {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}
.nav-user {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--nav-dim);
}
.nav-role { text-transform: uppercase; letter-spacing: 0.04em; }
.logout-form { margin: 4px 0 0; }
.nav-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--nav-ink);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
}
fieldset.checklist-forms {
  border: 0;
  margin: 0;
  padding: 0;
  min-inline-size: 0;
}
fieldset.checklist-forms:disabled {
  opacity: 0.72;
}