:root {
  color-scheme: light;
  --ink: #1c2824;
  --muted: #66716d;
  --paper: #f5f1e8;
  --surface: #fffdf8;
  --line: #d9d3c8;
  --accent: #e85d3f;
  --accent-dark: #bd4028;
  --green: #1c6b52;
  --green-soft: #deeee7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

button, input { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 80px;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  text-decoration: none;
}

.topbar-hint, .revision-meta {
  color: var(--muted);
  font-size: .86rem;
}

.revision-meta { display: flex; align-items: center; gap: 18px; }
.revision-meta a { color: var(--green); font-weight: 650; }

.flash {
  margin: 18px 0 0;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: .9rem;
}

.flash--notice { background: var(--green-soft); color: var(--green); }
.flash--alert { background: #f8ded8; color: #922d1d; }

.editor { padding-top: 72px; }

.hero-row {
  display: flex;
  gap: 32px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 64px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.plan-title {
  width: min(720px, 100%);
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 7vw, 5.7rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.lede {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.primary-action, .secondary-action, .text-action, .icon-button {
  border: 0;
  cursor: pointer;
}

.primary-action {
  flex: none;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 700;
}

.primary-action:hover { background: var(--green); }

.save-actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: 14px;
}

.save-status {
  color: var(--muted);
  font-size: .8rem;
  white-space: nowrap;
}

.save-status[data-state="saving"] { color: var(--green); }
.save-status[data-state="error"] { color: #922d1d; }

.layer {
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
  gap: clamp(32px, 8vw, 96px);
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.layer-heading h2, .revision-panel h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  letter-spacing: -.025em;
}

.layer-description {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.55;
}

.cards { display: grid; gap: 16px; }

.plan-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 8px 30px rgb(56 45 28 / 4%);
}

.card-heading {
  display: flex;
  gap: 12px;
  align-items: center;
}

.card-title, .agenda-title, .detail-step input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.card-title { font-size: 1.1rem; font-weight: 750; }

.field-label {
  margin: 20px 0 10px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.field-label--steps { margin-top: 28px; }

.coverage-picker { display: flex; flex-wrap: wrap; gap: 7px; }

.coverage-option {
  position: relative;
  cursor: pointer;
}

.coverage-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.coverage-option span {
  display: block;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .78rem;
}

.coverage-option input:checked + span {
  border-color: #90b9a8;
  background: var(--green-soft);
  color: var(--green);
}

.agenda-list, .detail-steps, .revision-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.agenda-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
}

.agenda-item:first-child { border-top: 1px solid var(--line); }
.item-number { color: var(--accent); font: 700 .72rem ui-monospace, monospace; }
.agenda-title { font-size: 1.05rem; font-weight: 650; }
.item-actions { display: flex; gap: 2px; }

.icon-button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 1rem;
}

.icon-button:hover { background: #ebe5da; color: var(--ink); }

.secondary-action {
  justify-self: start;
  margin-top: 14px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--green);
  font-size: .86rem;
  font-weight: 700;
}

.secondary-action:hover { border-color: #91ae9f; background: var(--green-soft); }

.detail-steps { display: grid; gap: 5px; }
.detail-step { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.detail-step input { padding: 9px 0; border-bottom: 1px solid var(--line); }
.step-number { color: var(--muted); font: .72rem ui-monospace, monospace; }

.text-action {
  padding: 8px 0;
  background: transparent;
  color: var(--green);
  font-size: .82rem;
  font-weight: 700;
}

.revision-panel {
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
  gap: clamp(32px, 8vw, 96px);
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.revision-list { display: grid; gap: 6px; }
.revision-list a { display: flex; justify-content: space-between; gap: 16px; padding: 11px 13px; border-radius: 8px; color: var(--muted); font-size: .85rem; text-decoration: none; }
.revision-list a:hover, .revision-list a.is-current { background: var(--surface); color: var(--ink); }
.revision-list a span { display: grid; gap: 3px; }
.revision-list strong { color: var(--ink); font-size: .82rem; }
.revision-list small { color: var(--muted); font-size: .75rem; }
.revision-list time { flex: none; font-size: .75rem; }

input[readonly] { cursor: default; }

@media (max-width: 720px) {
  .app-shell { width: min(100% - 24px, 1120px); }
  .editor { padding-top: 48px; }
  .hero-row { display: block; margin-bottom: 44px; }
  .save-actions { width: 100%; margin-top: 28px; justify-content: space-between; }
  .primary-action { margin: 0; }
  .layer, .revision-panel { grid-template-columns: 1fr; gap: 24px; padding: 34px 0; }
  .topbar-hint { display: none; }
  .revision-meta { gap: 10px; font-size: .76rem; }
}