/* Modal styles for form message */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}
.modal-content {
    background-color: #fff;
    margin: 10vh auto;
    padding: 2rem;
    border: 1px solid #888;
    width: 90%;
    max-width: 400px;
    border-radius: 8px;
    text-align: center;
    position: relative;
}
.modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
}
.modal-content.success {
    border-color: #5cb85c;
}
.modal-content.error {
    border-color: #d9534f;
}
/* Autocomplete styles from W3Schools */
.autocomplete {
    position: relative;
    display: flex;
    flex-direction: column;
}
.autocomplete-items {
    position: absolute;
    border: 1px solid #d4d4d4;
    border-bottom: none;
    border-top: none;
    z-index: 3;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    max-height: 200px;
    overflow-y: auto;
}
.autocomplete-items div {
    padding: 10px;
    cursor: pointer;
    border-bottom: 1px solid #d4d4d4;
}
.autocomplete-items div strong {
    background-color: #eee;
}
.autocomplete-items div:hover {
    background-color: #e9e9e9;
}
.autocomplete-active {
    background-color: #1e90ff;
    color: #000;
}
.autocomplete-items .autocomplete-active strong {
    background-color: #fffe;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    font-size: 1.2rem;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 2rem;
}

h1 {
    text-align: center;
    color: #333;
}

form {
    background: #fff;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-description {
    line-height: 1.7rem;
    font-size: 1.1rem;
}

label {
    display: block;
    margin: 10px 0 5px;
}

#manual-book-name-container {
    flex-direction: column;
}

input[type="text"],
fieldset,
select {
    padding: 10px;
    margin: 0 0 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1.2rem;
}

input[type="radio"] {
    margin-right: 5px;
}

label.input-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
label.input-row input{
    font-size: 1rem;
    width: 2rem;
    height: 1.5rem;
}

.error {
    color: red;
    font-size: 0.9em;
    margin-block: -1rem 1rem;
}

button {
    background: #5cb85c;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    margin-top: 1rem;
    cursor: pointer;
}

button:hover {
    background: #4cae4c;
}

#form-message {
    text-align: center;
    padding: 1rem 0.5rem;
}

#spinner {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: none;
    border-radius: 50%;
    z-index: 2;
}

.lds-dual-ring {
  display: inline-block;
  width: 40px;
  height: 40px;
}
.lds-dual-ring:after {
  content: " ";
  display: block;
  width: 32px;
  height: 32px;
  margin: 4px;
  border-radius: 50%;
  border: 4px solid #5cb85c;
  border-color: #5cb85c transparent #5cb85c transparent;
  animation: lds-dual-ring 1.2s linear infinite;
}
@keyframes lds-dual-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@media screen and (max-width: 768px) {
    .container {
        width: 100%;
        padding: 0;
    }
    form {
        padding: 1rem;
    }
}