body {
    background-color: #1e1e1e;
    color: #ddd;
    font-family: "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
}

.header {
    text-align: center;
    padding: 20px;
    background-color: #121212;
    border-bottom: 1px solid #333;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.tab-button {
    padding: 10px 25px;
    background-color: #2d2d2d;
    border: none;
    cursor: pointer;
    color: #ccc;
    font-size: 16px;
    margin: 0 5px;
}

.tab-button.active {
    background-color: #007bff;
    color: #fff;
}

.tab-content {
    display: none;
    padding: 20px;
}

.active-tab {
    display: block;
}

.container {
    display: flex;
    height: 500px;
    gap: 20px;
}

.panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.editor {
    flex: 1;
    width: 100%;
    background-color: #252526;
    color: #fff;
    border: 1px solid #333;
    padding: 10px;
    font-family: Consolas, monospace;
    resize: none;
}

.help-box {
    width: 100%;
    height: 600px;
    background-color: #252526;
    color: #fff;
    border: 1px solid #333;
    padding: 10px;
    font-family: Consolas, monospace;
    resize: none;
}

.button-bar {
    text-align: center;
    margin-top: 20px;
}

.btn {
    padding: 10px 20px;
    margin: 0 10px;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    font-size: 15px;
}

.primary { background-color: #007bff; color: #fff; }
.success { background-color: #28a745; color: #fff; }
.secondary { background-color: #6c757d; color: #fff; }