:root {
  color-scheme: light;
  --ink: #1c2321;
  --paper: #faf7f0;
  --accent: #0f5c4e;
  --accent-soft: #e4f0ec;
  --border: #d9d2c2;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--paper);
  position: sticky;
  top: 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--accent);
}

.site-header nav a {
  margin-left: 22px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
}

.site-header nav a:hover {
  border-bottom-color: var(--accent);
}

.hero {
  background: var(--accent-soft);
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 2rem;
  margin: 0 0 16px;
  color: var(--accent);
  max-width: 640px;
}

.hero p {
  max-width: 640px;
  font-size: 1.05rem;
}

main {
  padding: 48px 24px 80px;
}

section { margin-bottom: 56px; }

h2 {
  font-size: 1.4rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  padding-bottom: 4px;
  margin-bottom: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.conflict-card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 16px 18px;
}

.conflict-card .abbr {
  font-weight: 700;
  color: var(--accent);
  font-size: 1.1rem;
}

.conflict-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.proposal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 560px;
}

.proposal-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.95rem;
}

.proposal-form input,
.proposal-form select,
.proposal-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}

.proposal-form textarea {
  min-height: 90px;
  resize: vertical;
}

.proposal-form button {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
}

.proposal-form button:hover { opacity: 0.9; }

.form-status {
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status.success { color: var(--accent); }
.form-status.error { color: #8a2c2c; }

.proposals-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.proposal-item {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 14px 18px;
}

.proposal-item .meta {
  font-size: 0.85rem;
  color: #665;
  margin-top: 6px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  font-size: 0.85rem;
  color: #665;
}