:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #1f2937;
  --accent: #0d9488;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #eef2f3 0%, #dbe9f4 100%);
  color: var(--text);
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.container {
  background: var(--panel);
  border: 1px solid #d1d5db;
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

h1 {
  margin: 0;
}

p {
  margin: 0.6rem 0 0;
}