:root {
  --bg: #f7f1e7;
  --paper: rgba(255, 251, 245, 0.84);
  --paper-strong: #fffaf3;
  --ink: #1d2a2b;
  --muted: #556868;
  --line: rgba(29, 42, 43, 0.12);
  --accent: #136f63;
  --accent-soft: #dcefe9;
  --warm: #b65d3c;
  --shadow: 0 24px 60px rgba(29, 42, 43, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(182, 93, 60, 0.16), transparent 35%),
    radial-gradient(circle at top right, rgba(19, 111, 99, 0.16), transparent 30%),
    linear-gradient(180deg, #fbf7f1, var(--bg));
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--warm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.98;
}

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.status-panel {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

label {
  display: block;
  margin: 14px 0 8px;
  font-size: 0.92rem;
  font-weight: 700;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(29, 42, 43, 0.14);
  border-radius: 16px;
  padding: 14px 16px;
  background: var(--paper-strong);
  color: var(--ink);
}

textarea {
  min-height: 190px;
  resize: vertical;
}

input:focus,
textarea:focus,
button:focus {
  outline: 2px solid rgba(19, 111, 99, 0.2);
  outline-offset: 2px;
}

.actions,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease;
}

button:hover {
  transform: translateY(-1px);
}

.secondary,
.chip {
  background: var(--accent-soft);
  color: var(--accent);
}

.output {
  margin: 0;
  white-space: pre-wrap;
  border-radius: 16px;
  padding: 16px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  min-height: 180px;
}

.trace-list,
.file-list,
.candidate-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trace-card,
.file-card,
.candidate-item {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--paper-strong);
}

.file-meta,
.trace-meta,
.candidate-item {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.warning {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(182, 93, 60, 0.12);
  color: #7d3d24;
}

.empty {
  margin: 0;
  color: var(--muted);
}

.panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

code {
  font-family: "SFMono-Regular", "Menlo", monospace;
}

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

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .shell {
    padding: 24px 16px 40px;
  }
}