* {
  scroll-behavior: smooth;
}
body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: Arial, sans-serif;
}
.glass-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px) saturate(180%);
  -webkit-backdrop-filter: blur(10px) saturate(180%);
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 50px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(31, 38, 135, 0.37);
  animation: slideInUp 0.8s ease-out;
}
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.title {
  color: white;
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 15px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.subtitle {
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin-bottom: 40px;
  font-size: 1rem;
}
.input-group {
  margin-bottom: 25px;
}
.input-group label {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: block;
}
.input-group input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 15px;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}
.input-group input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.input-group input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}
.btn-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #1f2937;
  border: none;
  border-radius: 15px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
  margin-top: 10px;
}
.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(251, 191, 36, 0.6);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.back-link {
  text-align: center;
  margin-top: 25px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}
.back-link a {
  color: #fbbf24;
  text-decoration: none;
  font-weight: bold;
}
.back-link a:hover {
  text-decoration: underline;
}
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 24px;
  border-radius: 10px;
  color: white;
  font-size: 1rem;
  animation: slideInRight 0.4s ease-out;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  z-index: 10003;
}
.toast.success {
  background-color: #4caf50;
}
.toast.error {
  background-color: #e74c3c;
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}