* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f8f9fa;
  padding: 2rem 1rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h1 { margin-bottom: 0.5rem; }
h2 { margin-top: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }

form {
  display: inline;
}

input[type="email"] {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  width: 100%;
  max-width: 300px;
}

button {
  padding: 0.5rem 1rem;
  background: #0066cc;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background: #0052a3;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid #eee;
}

th {
  background: #f1f3f5;
  font-weight: 600;
}

td:first-child, td:nth-child(2) {
  white-space: nowrap;
}

a {
  color: #0066cc;
}

@media (max-width: 600px) {
  body { padding: 1rem 0.5rem; }
  .container { padding: 1rem; }
  table { font-size: 0.875rem; }
  th, td { padding: 0.35rem; }
}