:root {
  --bg-a: #f5eee2;
  --bg-b: #dae8de;
  --ink: #1d2a26;
  --muted: #4f6158;
  --line: rgba(29, 42, 38, 0.16);
  --accent: #1d745f;
  --accent-2: #155245;
  --surface: rgba(255, 251, 245, 0.8);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 219, 176, 0.62), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(174, 221, 193, 0.62), transparent 34%),
    linear-gradient(135deg, var(--bg-a), var(--bg-b));
  min-height: 100vh;
}
.wrap {
  width: min(980px, 100% - 32px);
  margin: 20px auto 40px;
  display: grid;
  gap: 16px;
}
.hero, .controls, .result {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 28px;
  padding: 24px;
  backdrop-filter: blur(12px);
}
.brand {
  margin: 0 0 10px;
  font-family: "Prata", serif;
  font-size: clamp(2.2rem, 8vw, 4rem);
  line-height: 0.95;
}
h1 {
  margin: 0;
  font-family: "Prata", serif;
  font-size: clamp(1.7rem, 4.2vw, 3rem);
  font-weight: 400;
  max-width: 17ch;
}
.lead { color: var(--muted); max-width: 58ch; }
.api-box { display: grid; gap: 6px; margin-top: 14px; }
label { font-weight: 700; font-size: 0.9rem; }
input, select, button {
  font: inherit;
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 11px 12px;
}
.controls { display: grid; gap: 14px; }
.row { display: grid; gap: 6px; }
.row.two { grid-template-columns: 1fr 1fr; gap: 12px; }
.buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
button {
  background: #fff8ef;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, background-color .2s ease;
}
button:hover { transform: translateY(-1px); }
button.primary { background: var(--accent); color: #f5faf7; border-color: transparent; }
button.primary:hover { background: var(--accent-2); }
pre {
  margin: 0;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fffefb;
  padding: 14px;
  min-height: 170px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.reveal { opacity: 0; transform: translateY(14px); animation: rise .7s ease forwards; }
.delay-1 { animation-delay: .12s; }
.delay-2 { animation-delay: .22s; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }
@media (max-width: 760px) {
  .row.two, .buttons { grid-template-columns: 1fr; }
}