* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #f1f5f9;
  color: #1e293b;
}

.container {
  width: 95%;
  max-width: 1400px;
  margin: auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  color: #003b70;
  margin-bottom: 10px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

#login-section {
  max-width: 400px;
  margin: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}

button {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #003b70;
  color: white;
  cursor: pointer;
  transition: 0.3s;
  font-weight: bold;
}

button:hover {
  background: #00509d;
}

.secondary {
  background: #64748b;
}

.secondary:hover {
  background: #475569;
}

.hidden {
  display: none;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.demo-users {
  margin-top: 20px;
  padding: 15px;
  background: #e2e8f0;
  border-radius: 10px;
}

.info {
  margin-top: 10px;
  font-size: 14px;
  color: #475569;
}