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

::placeholder {
  color: #000000;
}

body {
  width: 100%;
  min-height: 100vh;
  background-image: url(images/back.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.card-title {
  font-family: "Raleway Thin", sans-serif;
  letter-spacing: 4px;
  padding-bottom: 20px;
  text-align: center;
  font-size: 1.5rem;
}

.container {
  width: 100%;
  max-width: 420px;
  background: rgba(255,255,255,0.7);
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  padding: 40px 30px;
}

.logo {
  display: block;
  margin: 0 auto 20px auto;
  width: 100px;
  height: 100px;
  object-fit: contain;
}

.login-text {
  color: #111;
  font-weight: 600;
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 20px;
  text-transform: capitalize;
}

.input-group {
  width: 100%;
  margin-bottom: 20px;
}

.input-group input {
  width: 100%;
  height: 50px;
  border: 2px solid #000000;
  padding: 0 20px;
  font-size: 1rem;
  border-radius: 30px;
  background: transparent;
  outline: none;
  transition: border 0.3s;
}

.input-group input:focus {
  border-color: #333;
}

.input-group .btn {
  width: 100%;
  height: 50px;
  border: none;
  background: #000000;
  color: #fff;
  font-size: 1.1rem;
  border-radius: 30px;
  cursor: pointer;
  transition: background 0.3s;
}

.input-group .btn:hover {
  background: #333;
}

.link {
  color: #232323;
  text-decoration: none;
  font-size: 10pt;
  display: block;
  text-align: center;
  margin-top: 15px;
}

.alert {
  background: #e44e4e;
  color: white;
  padding: 10px;
  text-align: center;
  border: 1px solid #b32929;
  margin-bottom: 15px;
  border-radius: 5px;
}

/* Responsive design */
@media screen and (max-width: 480px) {
  .container {
    padding: 30px 20px;
  }

  .card-title {
    font-size: 1.3rem;
  }

  .logo {
    width: 80px;
    height: 80px;
  }

  .input-group input,
  .input-group .btn {
    font-size: 1rem;
    height: 45px;
    padding: 0 15px;
  }
}

@media screen and (max-width: 360px) {
  .card-title {
    font-size: 1.1rem;
  }

  .login-text {
    font-size: 1rem;
  }
}