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

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: #ffffff;
  padding: 30px 30px;
  width: 100%;
  max-width: 360px;
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.logo {
  height: 70px;
  width: auto;
  margin-bottom: 30px;
}

h2 {
  margin: 0 0 20px;
  color: #333;
  font-size: 24px;
}

.error {
  background: #ffe5e5;
  color: #b30000;
  padding: 10px;
  border-radius: 6px;
  margin-bottom: 15px;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: #2a5298;
}

button {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  border: none;
  background: #2a5298;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.5s ease;
}

button:hover {
  background: #1e3c72;
}

.footer {
  margin-top: 16px;
  font-size: 12px;
  color: #888;
}