* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
}

.card {
  background: #fff;
  border: 1px solid #d4d4d8;
  border-radius: 8px;
  width: 560px;
  max-width: 100%;
  padding: 2.5rem;
}

.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.logo {
  height: 110px;
  width: auto;
  flex-shrink: 0;
}

h1 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
  color: #111;
}

.subtitle {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 1rem;
  color: #111;
}

.option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0;
  font-size: 0.95rem;
  color: #111;
}

.option input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: #2563eb;
}

.helper-text {
  font-size: 0.85rem;
  color: #555;
  margin: 0.75rem 0 1.5rem;
}

button {
  display: block;
  width: 100%;
  margin: 0.5rem 0 0;
  padding: 1rem;
  background: #e01f3d;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #c01a34;
}

#status {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem;
  }

  .card {
    padding: 1.5rem;
    border-radius: 6px;
  }

  .title-row {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
  }

  .logo {
    height: 96px;
  }

  h1 {
    font-size: 1.4rem;
  }

  .subtitle {
    font-size: 0.95rem;
  }

  .option {
    font-size: 0.9rem;
  }

  button {
    padding: 0.85rem;
    font-size: 0.95rem;
  }
}