:root {
  font-family: "Segoe UI", system-ui, sans-serif;
  color: #134e4a;
  background: #ecfdf5;
}
body { margin: 0; }
.st-banner {
  background: #0d9488;
  color: #fff;
  text-align: center;
  padding: 0.5rem 1rem;
  font-weight: 700;
  font-size: 0.85rem;
}
.st-wrap { max-width: 560px; margin: 2rem auto; padding: 0 1rem 2rem; }
.st-card {
  background: #fff;
  border: 1px solid #99f6e4;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(13, 148, 136, 0.12);
}
h1 { margin: 0 0 0.5rem; font-size: 1.35rem; color: #0f766e; }
.st-muted { color: #52796f; line-height: 1.5; font-size: 0.95rem; }
.st-progress { display: flex; gap: 0.35rem; margin-bottom: 1rem; }
.st-dot { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.st-dot.active { background: #0d9488; }
.st-field { margin-top: 1rem; }
.st-field label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }
.st-field input, .st-field textarea, .st-field select {
  width: 100%; box-sizing: border-box; padding: 0.55rem 0.65rem;
  border: 1px solid #5eead4; border-radius: 8px; font-size: 1rem;
}
.st-field textarea { min-height: 120px; resize: vertical; }
.st-actions { margin-top: 1.25rem; }
.st-btn {
  display: inline-block; padding: 0.6rem 1.2rem; border: none; border-radius: 8px;
  background: #0d9488; color: #fff; font-weight: 600; cursor: pointer; text-decoration: none;
}
.st-confirm {
  background: #f0fdfa; border: 1px solid #2dd4bf; color: #115e59;
  padding: 1rem; border-radius: 8px; font-weight: 600; line-height: 1.5;
}