*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f4f6f8;
  color: #1a1a1a;
  line-height: 1.5;
}

main {
  max-width: 420px;
  margin: 4rem auto;
  padding: 0 1rem;
}

.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
  font-weight: 600;
}

.subtitle {
  color: #64748b;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.actions-row {
  display: flex;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.actions-row form {
  flex: 1;
}

.btn {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: #fff;
  color: #334155;
  border-color: #cbd5e1;
}

.btn-secondary:hover {
  background: #f8fafc;
}

.btn-danger {
  background: #fff;
  color: #b91c1c;
  border-color: #fecaca;
}

.btn-danger:hover {
  background: #fef2f2;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.detail {
  margin: 0 0 0.75rem;
}

.detail-label {
  color: #64748b;
  font-size: 0.85rem;
}