:root {
  --bg: #f4f1ea;
  --panel: rgba(255, 255, 255, 0.78);
  --ink: #18212e;
  --muted: #596476;
  --line: rgba(24, 33, 46, 0.12);
  --accent: #b24c1d;
  --accent-soft: rgba(178, 76, 29, 0.12);
  --radius: 20px;
  --shadow: 0 18px 48px rgba(24, 33, 46, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(178, 76, 29, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(36, 93, 123, 0.12), transparent 32%),
    linear-gradient(180deg, #f8f5ef 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Georgia", "Iowan Old Style", serif;
  line-height: 1.55;
}

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
}

.intro h1 {
  margin: 0.25rem 0 0;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 0.95;
}

.intro p:last-child {
  max-width: 56rem;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
  margin-top: 1.4rem;
}

.panel {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.85rem;
}

.field:first-child {
  margin-top: 0;
}

.field span {
  font-weight: 700;
}

.field input,
.field select,
.field textarea,
pre {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font: inherit;
}

.field textarea,
pre {
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 0.88rem;
}

.output {
  display: grid;
  gap: 1rem;
}

pre {
  margin: 0.45rem 0 0;
  min-height: 14rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

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