:root {
    --bg-color: #f5f7fa;
    --text-color: #2d3748;
    --border-color: #e2e8f0;
    --input-border: #cbd5e0;
    --component-bg: #ffffff;
    --hover-shadow: rgba(0, 0, 0, 0.08);
    --menu-text: #4a5568;
    --menu-hover: #e2e8f0;
    --primary-color: white;
    --danger-color: #e53e3e;
    --success-color: #38a169;
}

:root[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --border-color: #404040;
    --input-border: #505050;
    --component-bg: #2a2a2a;
    --hover-shadow: rgba(255, 255, 255, 0.05);
    --menu-text: #cbd5e0;
    --menu-hover: #2d3748;
    --primary-color: #2a2a2a;
    --danger-color: #fc8181;
    --success-color: #68d391;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.header {
    text-align: center;
    padding: 24px;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    margin: 0;
    color: var(--text-color);
    font-size: 32px;
    font-weight: 500;
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    letter-spacing: -0.5px;
}

.main-container {
    display: flex;
    gap: 24px;
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--bg-color);
}

.form-container {
    padding: 16px;
    flex: 1;
    max-width: none;
    background: var(--component-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--hover-shadow);
    transition: max-width 0.2s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.header-buttons {
    display: flex;
    gap: 12px;
}
.header-buttons button {
    display: block;
    margin: 18px auto;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px var(--hover-shadow);
    background-color: var(--primary-color);
    color: var(--btn-text);
}

.header-buttons button:hover {
    filter: brightness(110%);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px var(--hover-shadow);
}

.text-box,
.form-container {
    flex: 1;
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--component-bg);
    min-height: 400px;
    box-shadow: 0 2px 8px var(--hover-shadow);
}

.textarea-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.text-box.hidden {
    display: none;
}

.json-textarea {
    width: 100%;
    height: 95%;
    min-height: 380px;
    font-family: "Monaco", "Menlo", monospace;
    font-size: 14px;
    white-space: pre-wrap;
    border: none;
    background: transparent;
    resize: none;
    outline: none;
    color: var(--text-color);
}

.field-group {
    margin-bottom: 2px;
    padding: 2px;
    border: none;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.field-group:hover {
    border-color: #ced4da;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.array-container {
    margin-left: 12px;
    border-left: 2px solid var(--border-color);
    padding-left: 8px;
}

.array-item {
    position: relative;
    margin-bottom: 2px;
    padding: 2px;
    border-radius: 4px;
    border-bottom: 1px dashed var(--border-color);
}

.remove-btn {
    color: var(--danger-color);
    cursor: pointer;
    margin-left: 8px;
    font-size: 12px;
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
}

.remove-btn:hover {
    text-decoration: underline;
    background: none;
    color: var(--danger-color);
}

.add-btn {
    color: var(--success-color);
    cursor: pointer;
    margin-top: 8px;
    font-size: 13px;
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
}

.add-btn:hover {
    text-decoration: underline;
    background: none;
    color: var(--success-color);
}

label {
    display: block;
    margin-bottom: 3px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 13px;
}

input,
select {
    width: 95%;
    margin-bottom: 6px;
    padding: 6px 10px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 14px;
    background-color: var(--component-bg);
    color: var(--text-color);
}

.form-container textarea {
    width: 95%;
    margin-bottom: 6px;
    padding: 6px 10px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 12px;
    height: 14px;
    min-height: 14px;
    resize: vertical;
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--component-bg);
    color: var(--text-color);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--hover-shadow);
}

:root[data-theme="dark"] .theme-btn img {
    filter: invert(0%);
}