:root {
  --bg: #f6f1e8;
  --ink: #1c1914;
  --muted: #6b6358;
  --line: #d9d0c3;
  --card: #fffaf3;
  --accent: #8a3b2a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

body {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.75rem;
}

.brand {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: none;
  border: 0;
  color: var(--ink);
  cursor: pointer;
}

nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav button, .actions button, .ghost, .primary {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
}

.primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

h1 {
  font-weight: 500;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.15;
  margin-bottom: 0.6rem;
}

.lede, .empty, label, .meta {
  color: var(--muted);
}

.lede { margin-bottom: 1.4rem; line-height: 1.5; }

.lede.tight { margin-bottom: 0.85rem; }

.lede.follow { margin: 1.15rem 0 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem 1.05rem;
  margin-bottom: 0.75rem;
}

.card h2 {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: 0.25rem;
}

.card .body {
  margin-top: 0.55rem;
  line-height: 1.5;
  color: var(--muted);
}

.meta { font-size: 0.85rem; }

form {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 1.5rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input, textarea, select {
  font: inherit;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  padding: 0.55rem 0.65rem;
  width: 100%;
}

textarea { min-height: 7rem; resize: vertical; }

textarea.compact { min-height: 4.5rem; }

.year {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.empty { padding: 1.5rem 0; }

.law-preview {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.rules {
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.rules li {
  line-height: 1.45;
}

.rules .num {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-right: 0.35rem;
}

.record-notes {
  margin-top: 0.7rem;
  line-height: 1.45;
  color: var(--muted);
}

.notes-label {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 0.4rem;
}

.duality-flag {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.78rem;
  line-height: 1.45;
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.flag-kind {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.duality-flag.clone .flag-kind { color: var(--accent); }

.duality-flag.similar .flag-kind { color: var(--ink); }

.flag-reason { color: var(--muted); }

.duality-note {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 1.15rem;
}

.duality-pair {
  border-left: 3px solid var(--line);
}

.duality-pair.clone { border-left-color: var(--accent); }

.duality-pair.similar { border-left-color: var(--muted); }

.duality-kind {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.duality-kind .kind-word { color: var(--accent); }

.duality-kind.similar .kind-word { color: var(--ink); }

.duality-kind .kind-layer {
  color: var(--muted);
  letter-spacing: 0.08em;
}

.pair-and {
  color: var(--muted);
  font-style: italic;
  font-weight: 400;
}

.reason {
  margin-top: 0.4rem;
  line-height: 1.5;
  color: var(--ink);
}

.how-lead {
  color: var(--muted);
  line-height: 1.45;
  margin: 0.4rem 0 0.95rem;
}

.decide {
  display: grid;
  gap: 0.95rem;
}

.decide div { display: grid; gap: 0.2rem; }

.decide dt {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.decide dd { line-height: 1.45; }