body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.1);
}

.heading {
    text-align: center;
    margin-bottom: 20px;
}

.heading h1 {
    font-size: 24px;
    margin: 0;
    color: #333;
}

h2 {
    font-size: 20px;
    margin: 20px 0 10px;
    color: #555;
}

h3 {
    font-size: 18px;
    margin: 10px 0 5px;
    color: #666;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 15px;
    justify-content: space-between;
}

.form-group {
    flex-basis: calc(33.33% - 10px);
    padding: 0 10px;
    box-sizing: border-box;
    margin: 5px;
}

.form-group label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px;
    font-family: Arial, sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #007bff;
    outline: none;
}

textarea {
    height: 100px;
    resize: vertical;
}

button,
.file-button,
input[type="submit"] {
    display: inline-block;
    padding: 5px 10px;
    margin: 4px;
    border: 1px solid #aaa;
    border-radius: 3px;
    background-color: #e9e9ef;
    color: #222;
    font-size: 14px;
    font-family: Arial, sans-serif;
    cursor: pointer;
}

.file-button input {
    display: none;
}

#documentDescription {
    color: #666;
    margin: 10px 5px;
}

#status {
    margin-top: 20px;
    padding: 12px;
    min-height: 32px;
    background-color: #eee;
    word-break: break-word;
}

#status a {
    font-weight: bold;
    color: #0645ad;
}

.json-section {
    margin-top: 10px;
}

.json-section details {
    margin: 10px 0;
}

.json-section summary {
    font-size: 18px;
    margin: 10px 0 8px;
    color: #666;
    font-weight: bold;
    cursor: pointer;
}

.json-section h2 {
    font-size: 20px;
    margin: 20px 0 10px;
    color: #555;
}

.json-section h3,
.json-section h4 {
    font-size: 18px;
    margin: 10px 0 5px;
    color: #666;
}

.document-picker {
    margin: 10px 0 18px;
    padding: 12px;
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.document-picker h3 {
    margin: 8px 0 6px;
    color: #555;
}

.picker-list {
    margin-bottom: 10px;
}

.picker-item {
    display: block;
    width: 100%;
    text-align: left;
    margin: 4px 0;
    padding: 7px 10px;
}

.picker-item.active {
    border-color: #6b35ff;
    outline: 2px solid #6b35ff;
    background: #f1edff;
}

.uploaded-json-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.uploaded-json-load {
    flex: 1;
}

.delete-json-button {
    flex: 0 0 34px;
    width: 34px;
    text-align: center;
    color: #8a0000;
    font-weight: bold;
}

.picker-empty {
    color: #777;
    font-style: italic;
    padding: 4px 0 8px;
}

.dropdown-picker {
    position: relative;
    margin: 10px 0 18px;
    padding: 0;
    background: transparent;
    border: none;
}

.document-picker-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 300px;
    text-align: left;
    padding: 8px 10px;
    margin: 4px 0;
    border: 1px solid #999;
    border-radius: 4px;
    background: #e9e9ef;
    font-size: 14px;
}

.document-picker-toggle.open {
    border-color: #6b35ff;
    outline: 2px solid #6b35ff;
}

.dropdown-arrow {
    margin-left: 12px;
    font-size: 12px;
}

.document-picker-menu {
    display: none;
    position: absolute;
    z-index: 1000;
    width: 420px;
    max-height: 420px;
    overflow-y: auto;
    margin-top: 4px;
    padding: 12px;
    background: #f7f7f7;
    border: 1px solid #bbb;
    border-radius: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.document-picker-menu.open {
    display: block;
}

.document-picker-menu h3 {
    margin: 8px 0 6px;
    color: #555;
}

.picker-list {
    margin-bottom: 10px;
}

.picker-item {
    display: block;
    width: 100%;
    text-align: left;
    margin: 4px 0;
    padding: 7px 10px;
}

.picker-item.active {
    border-color: #6b35ff;
    outline: 2px solid #6b35ff;
    background: #f1edff;
}

.uploaded-json-row {
    display: flex;
    gap: 6px;
    align-items: center;
}

.uploaded-json-load {
    flex: 1;
}

.delete-json-button {
    flex: 0 0 34px;
    width: 34px;
    text-align: center;
    color: #8a0000;
    font-weight: bold;
}

.picker-empty {
    color: #777;
    font-style: italic;
    padding: 4px 0 8px;
}

.app-header {
    background: #333;
    color: #fff;
    padding: 10px 0;
}

.app-header-inner {
    max-width: 840px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-title {
    font-size: 18px;
    font-weight: bold;
}

.app-nav {
    display: flex;
    gap: 6px;
}

.nav-button {
    background: #555;
    color: #fff;
    border: 1px solid #777;
}

.nav-button.active {
    background: #007bff;
    border-color: #007bff;
}

.app-view {
    display: none;
}

.app-view.active {
    display: block;
}

.main-page-content {
    min-height: 180px;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #fafafa;
    line-height: 1.5;
}

.main-page-content:focus {
    border-color: #007bff;
    outline: none;
}

.home-actions {
    margin-top: 12px;
}

.tool-launch-link {
    display: inline-block;
    padding: 8px 12px;
    background: #007bff;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
}

.tool-launch-link:hover {
    background: #0056b3;
}

.tool-button-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    align-items: center;
    margin: 10px 0 18px;
}

.tool-action-button,
button.tool-action-button,
label.tool-action-button {
    width: 125px;
    height: 34px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 8px;
    margin: 0;
    font-size: 13px;
    line-height: 1;
    white-space: nowrap;
    text-align: center;
}

.file-button.tool-action-button input {
    display: none;
}

@media (max-width: 760px) {
    .tool-button-row {
        gap: 5px;
    }

    .tool-action-button,
    button.tool-action-button,
    label.tool-action-button {
        width: 118px;
        font-size: 12px;
        padding: 5px 6px;
    }
}



body.app-loading .container {
    opacity: 0;
}

.container {
    transition: opacity 120ms ease-out;
}