:root {
  color-scheme: light;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(0, 191, 165, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 179, 0, 0.18), transparent 30%),
    #f7f5ef;
  color: #10242a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.shell {
  width: min(1400px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 24px;
  margin-bottom: 28px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: #00796b;
  margin-bottom: 8px;
}

h1,
h2 {
  margin: 0;
}

.lede {
  font-size: 18px;
  max-width: 62ch;
  color: #36545b;
}

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

.panel,
.card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(16, 36, 42, 0.08);
  border-radius: 24px;
  padding: 20px;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 30px rgba(16, 36, 42, 0.08);
}

.panel-head,
.inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: #36545b;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(16, 36, 42, 0.14);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.92);
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: #163d3d;
  color: #f7f5ef;
  cursor: pointer;
}

button.primary {
  background: linear-gradient(135deg, #0f766e, #1565c0);
}

.output {
  min-height: 160px;
  max-height: 420px;
  overflow: auto;
  border-radius: 18px;
  padding: 14px;
  background: #13282d;
  color: #d8fff6;
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .hero,
  .grid {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100vw - 20px, 720px);
    padding-top: 20px;
  }
}