:root {
  --ink: #1a0f0d;
  --orange: #e8622c;
  --orange-dark: #c94f1f;
  --paper: #faf8f6;
  --card: #ffffff;
  --border: #e4ddd6;
  --muted: #6b6058;
  --pos: #1f7a4d;
  --neg: #b3392c;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

.site-header {
  background: var(--ink);
  border-bottom: 3px solid var(--orange);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.brand-logo {
  height: 42px;
  display: block;
}

.brand-text {
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.06em;
  font-size: 1.1rem;
}

.site-header nav a {
  color: #f2ece6;
  text-decoration: none;
  margin-left: 1.25rem;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
}

.site-header nav a:hover { color: #fff; }
.site-header nav a.active { border-bottom-color: var(--orange); color: #fff; }

.lang-switch {
  margin-left: 1.25rem;
  padding-left: 1.25rem;
  border-left: 1px solid #4a3c36;
  display: inline-flex;
  align-items: center;
}

.lang-switch a {
  margin-left: 0;
  font-size: 0.85rem;
  opacity: 0.7;
}

.lang-switch a.active {
  opacity: 1;
  font-weight: 600;
}

.lang-sep {
  color: #4a3c36;
  margin: 0 0.4rem;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 { font-size: 1.6rem; margin-bottom: 0.25rem; }
.subtitle { color: var(--muted); max-width: 90ch; margin-top: 0; }

.hero-text { margin-bottom: 1.5rem; }

.feature-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 0;
  padding: 0;
}

.feature-chips li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  color: var(--ink);
  white-space: nowrap;
}

.hero-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--orange);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.hero-card-col { flex: 1 1 320px; }

.hero-card-divider {
  width: 1px;
  align-self: stretch;
  background: var(--border);
}

@media (max-width: 720px) {
  .hero-card-divider { display: none; }
}

.hero-card h2 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
}

.hero-card p {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

.example-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin: 0.75rem 0;
}

.example-btn {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--orange);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  text-decoration: none;
  color: var(--ink);
  background: #fdf3ee;
}

.example-btn:hover { background: #fdece3; }

.example-btn-label { font-weight: 600; font-size: 0.9rem; }
.example-btn-desc {
  font-family: "SF Mono", Consolas, Menlo, monospace;
  font-size: 0.8rem;
  color: var(--orange-dark);
}

.hero-hint {
  font-size: 0.78rem !important;
  color: var(--muted);
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem 1.25rem;
  margin: 0 0 1.25rem;
  background: var(--card);
}

legend { padding: 0 0.4rem; font-weight: 600; }
.group-note { color: var(--muted); font-size: 0.88rem; margin: 0 0 0.75rem; }

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.field-row label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 0.3rem;
  flex: 1 1 160px;
}

.field-row label.wide { flex: 2 1 260px; }

input[type="text"], select {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  background: #fff;
  color: var(--ink);
}

.marker-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
}

.marker {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
}

.marker-name { font-weight: 600; display: block; margin-bottom: 0.35rem; }
.marker-desc { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 0.35rem; }

.marker-choices { display: flex; gap: 0.4rem; flex-wrap: wrap; }

label.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.65rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--muted);
}

label.pill:has(input:checked) {
  border-color: var(--orange);
  color: var(--ink);
  background: #fdece3;
}

button.primary {
  background: var(--orange);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button.primary:hover { background: var(--orange-dark); }

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

a.secondary {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid transparent;
}

a.secondary:hover {
  color: var(--ink);
  border-bottom-color: var(--border);
}

.citation {
  font-size: 0.78rem !important;
  font-style: italic;
  margin-top: 0.75rem !important;
}

.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 5px solid var(--orange);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-top: 2rem;
  scroll-margin-top: 1.5rem;
}

.result-name {
  font-family: "SF Mono", Consolas, Menlo, monospace;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem 1.5rem;
  margin-bottom: 0.75rem;
}

.result-grid .label { display: block; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.result-grid > div span:last-child { font-weight: 600; }

details.rationale summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--orange-dark);
}

details.rationale ul { margin: 0.6rem 0 0; padding-left: 1.2rem; }
details.rationale li { margin-bottom: 0.4rem; font-size: 0.92rem; }

.upload-form { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: 1.5rem; }

.file-drop {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  background: var(--card);
  cursor: pointer;
}

.error-banner {
  background: #fbe6e2;
  border: 1px solid var(--neg);
  color: var(--neg);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem;
}