@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap");
body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: #f0f2f5;
  background-image: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.login-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 380px;
  text-align: center;
  animation: fadeIn 0.5s ease-out;
}
.logo {
  width: 60px;
  height: 60px;
  margin-bottom: 10px;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.login-card h1 {
  color: #2c3e50;
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 28px;
  font-weight: 600;
}
.login-card p {
  color: #7f8c8d;
  margin-bottom: 30px;
  font-size: 15px;
}
.input-group {
  margin-bottom: 20px;
  text-align: left;
}
.input-group label {
  display: block;
  margin-bottom: 8px;
  color: #34495e;
  font-weight: 600;
  font-size: 14px;
}
.input-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #dfe4ea;
  border-radius: 8px;
  font-size: 16px;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-group input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}
.btn-login {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background-image: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.error-message {
  background-color: #ffdddd;
  color: #d8000c;
  border: 1px solid #ffc2c2;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
  text-align: center;
  font-size: 14px;
}