body {
  background: #f4f4f7;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: #fff;
  padding: 40px 32px;
  border-radius: 22px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10), 0 1.5px 6px rgba(0,0,0,0.05);
  min-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h2 {
  margin-bottom: 28px;
  font-weight: 600;
  color: #222;
  letter-spacing: 1px;
}

.input-group {
  width: 100%;
  margin-bottom: 18px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 14px 14px;
  font-size: 1.05rem;
  border-radius: 12px;
  border: 1.2px solid #d1d1d6;
  outline: none;
  background: #f6f6fa;
  transition: border 0.2s, box-shadow 0.2s;
}

input:focus {
  border: 1.5px solid #0071e3;
  box-shadow: 0 2px 6px rgba(0,113,227,0.09);
  background: #fff;
}

button {
  width: 100%;
  padding: 12px 0;
  background: linear-gradient(90deg, #0071e3 80%, #3694ff 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 1.5px 6px rgba(0,113,227,0.07);
  margin-top: 8px;
}

button:hover {
  background: linear-gradient(90deg, #005bb5 60%, #0071e3 100%);
}

#error-msg {
  color: #e53935;
  margin-top: 18px;
  min-height: 22px;
  font-size: 0.98rem;
  text-align: center;
}
