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

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #0057A3, #00A0E3);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #1f2937;
}

.login-container {
  background: #ffffff;
  padding: 32px 40px;
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

h2 {
  margin-bottom: 24px;
  font-size: 1.6rem;
  color: #0057A3;
  font-weight: 600;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

input[type="text"],
input[type="password"] {
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 15px;
  transition: border 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #00A0E3;
  outline: none;
}

button {
  padding: 12px;
  background-color: #0057A3;
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #0071bc;
}

.error {
  color: #e53e3e;
  font-size: 14px;
  margin-top: 10px;
}

.footer {
  margin-top: 20px;
  font-size: 13px;
  color: #888;
}

.logo {
  max-width: 140px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

#error {
  color: #e53e3e;
}