* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
}

h2 {
    color: #3498db;
    margin-bottom: 15px;
}

.main-content {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.builder-section, .preview-section {
    flex: 1;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    min-height: 400px;
}

.preview-section {
    display: flex;
    flex-direction: column;
}

#json-preview {
    flex-grow: 1;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 15px;
    border-radius: 5px;
    overflow: auto;
    white-space: pre-wrap;
    margin-top: 10px;
}

.import-section {
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    margin-top: 20px;
}

#json-import {
    width: 100%;
    height: 100px;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

.btn, .btn-small {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.9em;
}

.btn:hover, .btn-small:hover {
    background-color: #2980b9;
}

.preview-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

/* JSON Builder Styles */
.json-object, .nested-object {
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    background-color: #fff;
}

.object-header, .array-header {
    background-color: #e7f4ff;
    padding: 10px;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
}

.object-name {
    font-weight: bold;
}

.object-content, .array-items {
    padding: 10px;
}

.object-actions, .array-actions {
    padding: 10px;
    background-color: #f5f5f5;
    display: flex;
    gap: 10px;
}

.property-item, .array-item {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.property-key, .property-value, .array-key, .object-key, .item-value, .array-array-key, .item-key, .array-object-key {
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.item-key {
    background-color: #f0f8ff; /* Light blue background */
    width: 120px;
}

/* Duplicate key warning styles */
.duplicate-key-warning {
    position: relative;
    display: inline-block;
}

.warning-icon {
    color: #f39c12;
    margin-left: 5px;
    cursor: help;
    font-weight: bold;
}

.warning-tooltip {
    display: none;
    width: 200px;
    background-color: #f39c12;
    color: white;
    text-align: center;
    border-radius: 4px;
    padding: 5px;
    position: absolute;
    z-index: 100;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
}

.warning-icon:hover + .warning-tooltip {
    display: block;
}

.property-type, .item-type {
    padding: 6px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.array-container {
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    background-color: #fff;
}

.toggle-object {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1em;
}

.collapsed .object-content,
.collapsed .object-actions {
    display: none;
}

.collapsed .toggle-object {
    transform: rotate(-90deg);
}

.remove-property, .remove-array, .remove-item, .remove-object {
    background-color: #e74c3c;
}

.remove-property:hover, .remove-array:hover, .remove-item:hover, .remove-object:hover {
    background-color: #c0392b;
}

/* Array Object Styles */
.array-object-item, .array-array-item {
    display: block;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 10px;
    background-color: #fff;
    padding: 0;
}

.array-object-header, .array-array-header {
    background-color: #e7f4ff;
    padding: 10px;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.array-object-key {
    flex-grow: 1;
    margin-right: 10px;
    background-color: #f0fff0; /* Light green background */
}

.array-array-key {
    flex-grow: 1;
    color: #8e44ad; /* Purple to distinguish from objects */
    margin-right: 10px;
    background-color: #f9f0ff;
}

.array-object-content, .array-array-content {
    padding: 10px;
}

.array-object-actions, .array-array-actions {
    padding: 10px;
    background-color: #f5f5f5;
    display: flex;
    gap: 10px;
}

.toggle-array-object, .toggle-array-array {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1em;
}

.collapsed .array-object-content,
.collapsed .array-object-actions,
.collapsed .array-array-content,
.collapsed .array-array-actions {
    display: none;
}

.collapsed .toggle-array-object,
.collapsed .toggle-array-array {
    transform: rotate(-90deg);
}

/* Style for nested arrays */
.array-array-item {
    border-color: #8e44ad;
}

.array-array-header {
    background-color: #f5e6ff;
}

.object-name {
    font-weight: bold;
    color: #2c3e50;
}