:root {
  --bg: #f7f1e3;
  --bg-2: #efe6cf;
  --ink: #1d2b34;
  --muted: #5a6670;
  --accent: #b8532a;
  --accent-2: #2e4a5e;
  --line: #d8c9a3;
  --card: #fffaf0;
  --shadow: 0 1px 2px rgba(29,43,52,0.08), 0 6px 18px rgba(29,43,52,0.08);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Verdana, Geneva, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
}

a { color: var(--accent-2); }
a:hover { color: var(--accent); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: var(--accent-2);
  color: #fff7e6;
  padding: 14px 0;
  border-bottom: 3px solid #1b2a36;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff7e6;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff7e6;
  border-radius: 6px;
  padding: 2px;
}
.site-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.site-nav a {
  color: #fff7e6;
  text-decoration: none;
  padding: 4px 6px;
  border-radius: 4px;
}
.site-nav a:hover {
  background: rgba(255,255,255,0.12);
}

main { padding: 28px 0 60px; }

.hero h1 {
  font-size: 1.8rem;
  margin: 0 0 10px;
  color: var(--accent-2);
}
.hero .lede {
  max-width: 720px;
  color: var(--muted);
  font-size: 1rem;
  margin: 0 0 8px;
}
.hero .meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 18px;
}

.app-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--accent-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--ink);
}
.field select,
.field input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 0.95rem;
}
.field .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}
.hint {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn.secondary {
  background: var(--accent-2);
}
.btn:hover { filter: brightness(1.05); }

.saved {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.saved h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--accent-2);
}
.saved ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.saved li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.9rem;
}
.saved li.empty {
  background: transparent;
  border: none;
  color: var(--muted);
  font-style: italic;
}
.saved li button {
  background: transparent;
  color: var(--accent);
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
}

.results {
  background: var(--bg-2);
  border-radius: 8px;
  padding: 16px;
}
.size-output {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
  margin-bottom: 14px;
}
.size-range {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.size-note {
  color: var(--muted);
  margin-top: 4px;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.result-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
}
.result-item .label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}
.result-item .value {
  display: block;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
}

.placement {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}
.placement h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--accent-2);
}
.placement ul {
  margin: 0;
  padding-left: 18px;
}
.placement li { margin: 4px 0; }

.empty-state {
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 20px 0;
}

.content-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 24px;
  box-shadow: var(--shadow);
}
.content-block h2 {
  margin-top: 0;
  color: var(--accent-2);
}
.content-block h3 {
  color: var(--accent-2);
  margin-top: 18px;
}

.examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 10px;
}
.examples article {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}
.examples h4 {
  margin: 0 0 6px;
  color: var(--accent);
}
.examples p { margin: 0; }

.mistakes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mistakes li {
  background: var(--bg-2);
  border-left: 4px solid var(--accent);
  padding: 10px 12px;
  border-radius: 6px;
}

.cheat-sheet {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}
.cheat-sheet table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.9rem;
}
.cheat-sheet th,
.cheat-sheet td {
  border: 1px solid var(--line);
  padding: 6px 8px;
  text-align: left;
}
.cheat-sheet th {
  background: var(--accent-2);
  color: #fff7e6;
}
.sheet-notes {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.sheet-notes li { margin: 3px 0; }

.site-footer {
  margin-top: 40px;
  background: var(--accent-2);
  color: #fff7e6;
  padding: 18px 0;
}
.site-footer a { color: #fff7e6; }
.site-footer nav {
  display: flex;
  gap: 14px;
  margin-top: 6px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .result-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 { font-size: 1.5rem; }
}

@media (max-width: 520px) {
  .result-grid { grid-template-columns: 1fr; }
  .site-header .container { flex-direction: column; align-items: flex-start; }
  .site-nav { gap: 10px; }
}

@media print {
  body { background: #fff; }
  .site-header, .site-footer, .actions, .saved, .app-shell .controls { display: none; }
  .app-shell { box-shadow: none; border: none; padding: 0; }
  .content-block { box-shadow: none; border: none; padding: 0; }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}