:root {
  --bg: #f4f1e8;
  --card: #fffdf8;
  --text: #1f2933;
  --muted: #52606d;
  --line: #d9c7a8;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --warn: #7c2d12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, #f7e7ce 0%, transparent 30%),
    radial-gradient(circle at 85% 30%, #d6efe9 0%, transparent 28%),
    var(--bg);
}

.shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 16px 40px;
  display: grid;
  gap: 16px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  padding: 16px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.06);
}

.card h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

label {
  display: block;
  font-weight: 600;
  margin-top: 10px;
  margin-bottom: 6px;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #b7a689;
  border-radius: 10px;
  background: #fffcf6;
}

textarea {
  resize: vertical;
}

.row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

button {
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

button:hover {
  background: var(--accent-strong);
}

button.secondary {
  background: #374151;
}

.status {
  margin-top: 10px;
  color: var(--muted);
}

.status.error {
  color: var(--warn);
}

.hint {
  margin-top: 6px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.subtle ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

@media (max-width: 620px) {
  .row {
    flex-direction: column;
  }

  button {
    width: 100%;
  }
}