body {
  font-family: Arial, sans-serif;
  background: #f4f4f9;
}
.container {
  max-width: 500px;
  margin: 40px auto;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
select,
input {
  width: 100%;
  padding: 10px;
  margin: 5px 0 8px;
  border: 1px solid #ccc;
  border-radius: 8px;
}
button {
  background: #007bff;
  color: #fff;
  padding: 10px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
}
button:hover {
  background: #0056b3;
}
.btn_style {
  max-width: 90px;
}
.mb-3 {
  margin-bottom: 0.5rem;
}
.text-center {
  text-align: center;
}
.pdf-list {
  margin-top: 20px;
}
.pdf-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 8px;
}
a {
  color: #007bff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Loader styles */
.loader {
  display: none;
  text-align: center;
  margin: 15px 0;
}
.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #007bff;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* toast  */
.toast-message {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #28a745;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 14px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  animation: fadeInOut 3s ease;
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  10% {
    opacity: 1;
    transform: translateY(0);
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(20px);
  }
}