* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-image: url("/assets/images/fondoDiamante.png");
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  background-color: #ffffff;
  padding: 60px 80px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 550px;
  text-align: center;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
}

.logo {
  width: 250px;
  height: 100px;
  margin: 0;
  padding: 0;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: 24px;
  font-weight: 600;
  color: #333;
  letter-spacing: 2px;
}

h1 {
  font-size: 32px;
  color: #000;
  margin-bottom: 35px;
  font-weight: 400;
  letter-spacing: 1px;
}

.form-group {
  margin-bottom: 30px;
  position: relative;
}

input {
  width: 100%;
  padding: 15px 20px;
  border: 1px solid #d0d0d0;
  border-radius: 6px;
  font-size: 15px;
  color: #333;
  outline: none;
  transition: border-color 0.3s, background-color 0.3s;
}

input::placeholder {
  color: #999;
  opacity: 1;
  transition: opacity 0.3s ease;
}

input:focus::placeholder {
  opacity: 0;
}

/* Browser compatibility for placeholder removal */
input::-webkit-input-placeholder {
  transition: opacity 0.3s ease;
}

input:focus::-webkit-input-placeholder {
  opacity: 0;
}

input::-moz-placeholder {
  transition: opacity 0.3s ease;
}

input:focus::-moz-placeholder {
  opacity: 0;
}

input:-ms-input-placeholder {
  transition: opacity 0.3s ease;
}

input:focus:-ms-input-placeholder {
  opacity: 0;
}

input:placeholder-shown {
  background-color: #fafafa;
  border-color: #d0d0d0;
}

input:not(:placeholder-shown) {
  background-color: #ffffff;
  border-color: #4db8c4;
}

input:focus {
  border-color: #4db8c4;
  background-color: #ffffff;
  position: relative;
  z-index: 1;
}

input:focus:invalid {
  border-color: red;
}

input:invalid:not(:placeholder-shown) {
  border-color: red;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 30px white inset !important;
  box-shadow: 0 0 0 30px white inset !important;
  -webkit-text-fill-color: #333 !important;
  transition: background-color 5000s ease-in-out 0s;
}

input:-webkit-autofill:placeholder-shown {
  -webkit-box-shadow: 0 0 0 30px #fafafa inset !important;
  box-shadow: 0 0 0 30px #fafafa inset !important;
}

input:-moz-autofill {
  background-color: white !important;
}

input:-moz-autofill:placeholder-shown {
  background-color: #fafafa !important;
}

.password-field {
  position: relative;
}

.eye-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: #666;
  font-size: 20px;
  z-index: 3;
}

.login-link {
  text-align: center;
  margin: 20px 0 30px;
  font-size: 14px;
  color: #666;
}

.login-link a {
  color: #2563eb;
  text-decoration: underline;
  font-weight: 500;
}

.login-link a:hover {
  color: #1d4ed8;
}

button {
  width: 100%;
  max-width: 250px;
  padding: 14px;
  background-color: #4db8c4;
  color: white;
  border: none;
  border-radius: 25px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

button:hover {
  background-color: #3da8b4;
}

button:active {
  transform: scale(0.98);
}

.alert {
  padding: 12px 20px;
  margin-bottom: 20px;
  border-radius: 4px;
}

.alert-error {
  background-color: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

.alert-success {
  background-color: #efe;
  color: #3c3;
  border: 1px solid #cfc;
}

/* Animations */
@-webkit-keyframes silo-fade {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-1.4em);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
  }
}

@-moz-keyframes silo-fade {
  0% {
    opacity: 0;
    -moz-transform: translateY(-1.4em);
  }
  100% {
    opacity: 1;
    -moz-transform: translateY(0);
  }
}

@keyframes silo-fade {
  0% {
    opacity: 0;
    -webkit-transform: translateY(-1.4em);
    -moz-transform: translateY(-1.4em);
    -ms-transform: translateY(-1.4em);
    -o-transform: translateY(-1.4em);
    transform: translateY(-1.4em);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
  }
}

@-webkit-keyframes silo-help {
  0% {
    opacity: 0;
  }
  4% {
    opacity: 0;
  }
  5% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

@-moz-keyframes silo-help {
  0% {
    opacity: 0;
  }
  4% {
    opacity: 0;
  }
  5% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

@keyframes silo-help {
  0% {
    opacity: 0;
  }
  4% {
    opacity: 0;
  }
  5% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

/* Label styles for animated help text */
.form-label {
  display: none;
  position: absolute;
  top: -20px;
  left: 5px;
  font-size: 12px;
  color: #4db8c4;
  animation: silo-fade 0.2s;
  pointer-events: none;
  z-index: 1;
}

input:focus + .form-label,
input:not(:placeholder-shown) + .form-label {
  display: block;
}

input:valid + .form-label {
  color: #4db8c4;
}

input:invalid:not(:placeholder-shown) + .form-label,
input:focus:invalid + .form-label {
  color: #c33;
}

input:focus:invalid + .form-label:after {
  content: " (" attr(data-help) ")";
  animation: silo-help 100s;
  font-size: 11px;
}

input:invalid:not(:placeholder-shown) + .form-label:after {
  content: " (" attr(data-help) ")";
  font-size: 11px;
}

.password-field .form-label {
  z-index: 1;
}

@media (max-width: 600px) {
  .container {
    padding: 40px 30px;
  }
}