:root {
  --bg: #f4efe4;
  --paper: rgba(255, 252, 246, 0.92);
  --paper-strong: #fff9f1;
  --ink: #1f2a21;
  --muted: #5a645d;
  --line: rgba(31, 42, 33, 0.12);
  --accent: #2f6f4f;
  --accent-strong: #214d37;
  --accent-soft: #d8eadf;
  --shadow: 0 18px 40px rgba(35, 48, 39, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(155, 196, 172, 0.45), transparent 32%),
    linear-gradient(180deg, #efe6d7 0%, #f7f1e7 45%, #f4efe4 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0 1.5rem;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav-link {
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  text-decoration: none;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.layout {
  display: grid;
  gap: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero {
  padding: 2rem;
  background:
    linear-gradient(135deg, rgba(216, 234, 223, 0.9), rgba(255, 249, 241, 0.96)),
    var(--paper);
}

.hero-compact {
  padding-bottom: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

h1,
h2 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 0.85rem;
  font-size: 1.4rem;
}

.lead,
.status-message,
.checklist,
.status-list,
.code-block {
  color: var(--muted);
}

.lead {
  margin: 0;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.65;
}

.hero-note {
  margin: 1rem 0 0;
  max-width: 62ch;
  line-height: 1.65;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.button:disabled {
  opacity: 0.68;
  cursor: wait;
  transform: none;
}

.button-secondary {
  background: var(--paper-strong);
  color: var(--accent-strong);
  border: 1px solid rgba(33, 77, 55, 0.14);
}

.status-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 241, 231, 0.92));
}

.status-message {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: var(--accent-soft);
  line-height: 1.5;
}

.status-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.status-list div {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.status-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.status-list dt {
  margin-bottom: 0.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.status-list dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink);
}

.checklist {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

.card-copy {
  margin: 0 0 1rem;
  line-height: 1.6;
  color: var(--muted);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.info-card,
.info-row {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
}

.info-card h3,
.info-row h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-family: Georgia, "Times New Roman", serif;
}

.info-card p,
.info-row p {
  margin: 0;
  line-height: 1.65;
  color: var(--muted);
}

.info-stack {
  display: grid;
  gap: 0.9rem;
}

.explain-list {
  margin: 0;
  padding-left: 1.3rem;
  line-height: 1.8;
  color: var(--muted);
}

.mini-note {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(47, 111, 79, 0.16);
  border-radius: 16px;
  background: rgba(216, 234, 223, 0.6);
  line-height: 1.6;
  color: var(--ink);
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.field-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.number-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
}

.number-input:focus-visible {
  outline: 2px solid rgba(47, 111, 79, 0.3);
  outline-offset: 2px;
}

.records-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.record-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.record-main {
  font-weight: 700;
  color: var(--ink);
}

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

.code-block {
  overflow-x: auto;
  margin: 0;
  padding: 1rem;
  border-radius: 16px;
  background: #1f2a21;
  color: #eef5ef;
  font: 0.95rem/1.5 Consolas, "Courier New", monospace;
}

@media (max-width: 780px) {
  .page-shell {
    width: min(100% - 1rem, 1100px);
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .inline-form {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .card,
  .hero {
    padding: 1.25rem;
  }
}