:root {
  --blue-light: #5a8dee;
  --blue-dark: #0d47a1;
  --gray-light: #f9fbfd;
  --gray-dark: #333;
  --radius: 12px;
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  background-image: url('bg.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(255 255 255 / 0.3);
  backdrop-filter: blur(8px);
  z-index: -1;
}

.mlr-logo-wrapper img.mlr-logo.rgb-effect {
  position: relative;
  display: inline-block;
  max-width: 150px;
  height: auto;
  object-fit: contain;
  z-index: 1;
  filter: drop-shadow(0 0 0.5px rgba(0, 123, 255, 0.5)) drop-shadow(0 0 0.5px rgba(135, 206, 250, 0.5));
  transition: filter 0.3s ease;
}

.mlr-logo-wrapper img.mlr-logo.rgb-effect:hover {
  filter: drop-shadow(0 0 5px rgba(0, 123, 255, 0.7)) drop-shadow(0 0 5px rgba(135, 206, 250, 0.7));
}

@keyframes rgb-glow {
  0%, 100% {
    filter: drop-shadow(0 0 1px rgba(0, 123, 255, 0.7)) drop-shadow(0 0 1px rgba(135, 206, 250, 0.7));
  }
  50% {
    filter: drop-shadow(0 0 5px rgba(0, 123, 255, 1)) drop-shadow(0 0 5px rgba(135, 206, 250, 1));
  }
}

.mlr-logo-wrapper img.mlr-logo.rgb-effect {
  animation: rgb-glow 3s infinite alternate ease-in-out;
}


.mlr-wrapper {
  background: var(--gray-light);
  border-radius: var(--radius);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.mlr-card {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.4s ease forwards;
}

.mlr-card.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mlr-card h2 {
  font-size: 24px;
  margin-bottom: 25px;
}

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

.mlr-input-group input {
  width: 100%;
  padding: 14px 14px 14px 40px;
  font-size: 16px;
  border-radius: var(--radius);
  border: 1.5px solid #ccc;
  outline: none;
  box-sizing: border-box;
}

.mlr-input-group label {
  position: absolute;
  left: 40px;
  top: 14px;
  color: #aaa;
  font-size: 14px;
  pointer-events: none;
  transition: 0.2s ease;
  background-color: var(--gray-light);
  padding: 0 5px;
}

.mlr-input-group input:focus + label,
.mlr-input-group input:not(:placeholder-shown) + label {
  top: -8px;
  font-size: 12px;
  color: var(--blue-light);
}

.mlr-input-group svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  fill: var(--blue-light);
}

.mlr-card button {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  border: none;
  border-radius: var(--radius);
  background-color: var(--blue-light);
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.mlr-card button:hover {
  background-color: var(--blue-dark);
}

.mlr-toggle-text {
  margin-top: 20px;
  font-weight: bold;
  color: var(--blue-light);
}

.mlr-toggle-text a {
  color: var(--blue-dark);
  text-decoration: none;
  margin-right: 4px;
}

#mlr-login-message,
#mlr-register-message {
  margin-top: 15px;
  min-height: 24px;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
}

#mlr-login-message.error,
#mlr-register-message.error {
  color: #842029;
  background-color: #f8d7da;
  padding: 8px;
  border-radius: 8px;
}

#mlr-login-message.success,
#mlr-register-message.success {
  color: #0f5132;
  background-color: #d1e7dd;
  padding: 8px;
  border-radius: 8px;
}

/* 📱 ریسپانسیو */
@media (max-width: 480px) {
  .mlr-wrapper {
    padding: 20px;
    max-width: 100vw;
  }

  .mlr-card h2 {
    font-size: 20px;
  }

  .mlr-input-group input {
    font-size: 14px;
    padding: 14px 14px 14px 38px;
  }

  .mlr-input-group label {
    font-size: 13px;
    left: 38px;
  }

  .mlr-card button {
    font-size: 14px;
    padding: 12px;
  }

  .mlr-toggle-text {
    font-size: 13px;
  }

  .mlr-logo-wrapper img {
    max-width: 100px;
  }
}