:root {
  --bg: #f5f2ea;
  --card: #fffdf9;
  --ink: #1f2a30;
  --muted: #5b6c74;
  --line: #d7cec0;
  --accent: #8e3b2e;
  --accent-2: #1f5e5b;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(29, 38, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Serif 4", "Georgia", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 20%, #e9dfcd 0%, transparent 40%),
    radial-gradient(circle at 12% 85%, #ded8c8 0%, transparent 42%),
    var(--bg);
  min-height: 100vh;
}

.hero {
  padding: 2.5rem 1rem 2rem;
  background: linear-gradient(120deg, #1f5e5b, #244553 58%, #442117);
  color: #f8efe5;
}

.hero__inner {
  max-width: 860px;
  margin: 0 auto;
}

.eyebrow {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin: 0 0 0.5rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 3rem);
  line-height: 1.1;
}

.subhead {
  font-size: 1.08rem;
  max-width: 52ch;
  margin: 0.9rem 0 0;
  color: #e9dfcf;
}

.container {
  width: min(980px, 100% - 2rem);
  margin: -1.5rem auto 3rem;
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.search-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.search-form .grow {
  flex: 1;
  min-width: 220px;
}

input,
select,
button {
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
  padding: 0.65rem 0.75rem;
}

button {
  background: var(--accent);
  color: #fff4e8;
  border-color: #743124;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.96);
}

.status {
  min-height: 1.2rem;
  margin: 0.8rem 0 0;
  color: var(--accent-2);
}

#examples {
  margin-top: 0.9rem;
}

.example-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.example-chip {
  background: #e7f0ef;
  color: #1f4b4c;
  border: 1px solid #b6cfcd;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.type-chip {
  display: inline-block;
  border: 1px solid #ccb79f;
  color: #6b4736;
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.82rem;
  margin-bottom: 0.55rem;
}

.result-grid {
  display: grid;
  gap: 1rem;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.timeline__item {
  border-left: 3px solid #bc8d63;
  padding: 0.35rem 0.6rem;
  background: #f4ede2;
}

.reference-list {
  margin: 0.6rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.3rem;
}

.reference-list button {
  background: #efe4d3;
  color: #493427;
  border: 1px solid #d8bea1;
  padding: 0.2rem 0.5rem;
  font-size: 0.9rem;
}

.reference-list button:hover {
  background: #e8d8c2;
}

.reference-entry {
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 0.7rem;
  background: #fff8ee;
}

.reference-entry h4 {
  margin: 0 0 0.35rem;
  color: #433327;
}

.reference-entry p {
  margin: 0;
  white-space: pre-wrap;
}

.citation-list {
  display: grid;
  gap: 0.6rem;
}

.citation-list li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: #faf5eb;
}

.citation-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.generation-note {
  margin: 0.2rem 0 0.8rem;
  color: #37464f;
  font-size: 0.9rem;
}

.hidden {
  display: none;
}

@media (min-width: 760px) {
  .result-grid {
    grid-template-columns: 1.1fr 1fr;
  }
}