:root {
  --primary: #2563eb;   /* your brand color */
  --background: #f9fafb;
  --text: #111827;
  --muted: #6b7280;
}

* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.container {
  background: white;
  padding: 3rem 2.5rem;
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.logo {
  max-width: 160px;
  margin-bottom: 1.5rem;
}

h1 {
  margin: 0 0 0.5rem;
}

p {
  color: var(--muted);
  margin-bottom: 2rem;
}

.login-button {
  display: inline-block;
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--primary);
  color: white;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}

.login-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}

footer {
  margin-top: 2rem;
  font-size: 0.85rem;
}