:root {
  --primary: #0d6efd;
  --success: #198754;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: white;
  color: var(--dark);
  line-height: 1.6;
}
#app {
  max-width: 500px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  text-align: center;
}
.logo {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: bold;
  color: var(--primary);
}
h1 { font-size: 1.8rem; margin-bottom: 1rem; font-weight: 700; }
p { color: var(--gray); margin-bottom: 1.5rem; font-size: 1.05rem; }
ul { text-align: left; margin: 1.5rem 0; padding-left: 1.5rem; }
li { margin-bottom: 0.6rem; color: var(--gray); }
.btn {
  display: block;
  width: 100%;
  padding: 0.9rem;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 1rem;
}
.btn-primary { background: var(--primary); color: white; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.emergency-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
}
.emergency-link:hover { text-decoration: underline; }