* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(to right, #e0f2fe, #bfdbfe, #93c5fd);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  overflow-y: hidden;
}

form {
  background-color: #fff;
  color: #333;
  border-radius: 20px;
  padding: 25px 35px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 400px;
  text-align: center;
  animation: fadeIn 0.7s ease-in-out;
  position: relative;
}

form h1 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: #333;
}

form span {
  font-size: 0.95rem;
  color: #555;
  display: block;
  margin-bottom: 25px;
}

form input {
  width: 100%;
  padding: 12px 15px;
  padding-left: 45px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  outline: none;
  transition: all 0.3s ease;
  margin-bottom: 18px;
}

form input:focus {
  border-color: #2575fc;
  box-shadow: 0 0 6px rgba(37, 117, 252, 0.3);
}

#icon,
#iconConfirmacao {
  position: absolute;
  left: 12px;
  top: 35%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-image: url('../assets/lock.svg');
  background-size: cover;
  background-repeat: no-repeat;
  cursor: pointer;
}

#icon.hide,
#iconConfirmacao.hide {
  background-image: url('../assets/unlock.svg');
}

button {
  width: 100%;
  padding: 12px;
  background: #2575fc;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  margin-top: 5px;
}

button:hover {
  background: #1a5cd8;
}

#link {
  display: block;
  margin-top: 14px;
  font-size: 0.9rem;
  color: #555;
}

#link a {
  color: #2575fc;
  font-weight: bold;
  text-decoration: none;
}

#link a:hover {
  text-decoration: underline;
}

#nada {
  color: #e74c3c;
  font-size: 0.9rem;
  margin-top: 10px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  form {
    max-width: 360px;
    padding: 22px 28px;
  }

  form h1 {
    font-size: 1.6rem;
  }

  form input {
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  form {
    max-width: 320px;
    padding: 20px 25px;
  }

  form h1 {
    font-size: 1.5rem;
  }

  form input {
    font-size: 0.9rem;
    padding-left: 40px;
  }

  #link {
    font-size: 0.85rem;
  }

  #nada {
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 12px;
  }

  form {
    padding: 18px 20px;
    border-radius: 14px;
  }

  form h1 {
    font-size: 1.3rem;
  }

  form input {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  button {
    padding: 10px;
    font-size: 0.9rem;
  }

  #link {
    font-size: 0.8rem;
  }

  #nada {
    font-size: 0.8rem;
  }
}

@media (min-width: 1440px) {
  form {
    max-width: 450px;
    padding: 30px 40px;
  }

  form h1 {
    font-size: 2rem;
  }

  form input {
    font-size: 1.05rem;
    padding-left: 50px;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(to right, #090b0c, #172230, #091829);
  }

  input:-webkit-autofill,
  input:-webkit-autofill:hover,
  input:-webkit-autofill:focus {
    background-color: #1e2329 !important;
    border: 1px solid #3b82f6 !important;
    -webkit-text-fill-color: #e6edf3 !important;
    caret-color: #e6edf3 !important;
    transition: background-color 9999s ease-in-out 0s;
  }

  form {
    background-color: #12161b;
    color: #e6edf3;
  }

  #icon,
  #iconConfirmacao {
    filter: invert(1);
  }

  form h1 {
    color: #93c5fd;
  }

  form span,
  #link {
    color: #c9d1d9;
  }

  form input {
    background-color: #1e2329;
    border: 1px solid #444;
    color: #e6edf3;
  }

  form input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 6px rgba(59, 130, 246, 0.3);
  }

  button {
    background: #3b82f6;
  }

  button:hover {
    background: #2563eb;
  }

  #nada {
    color: #f87171;
  }
}