:root {
  --bg: #0f1117;
  --surface: #ffffff;
  --text: #0d0d0d;
  --muted: #6b7280;
  --accent: #4d6bfe;
  --accent-dark: #3b55d9;
  --border: #e5e5e5;
  --danger: #dc2626;
  --radius: 12px;
}

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

[hidden] {
  display: none !important;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: #f3f4f6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 720px;
  padding: 0 16px;
  margin-top: -40px;
  z-index: 1;
}

.footer {
  margin-top: auto;
  padding: 24px 16px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}