* {
    margin: 0px;
    padding: 0px;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f0f0f0;
    width: 100%;
    height: 100vh;
    display: flex;
}

.leftPart {
    flex-basis: 50%;
    background-color: #2c3e50;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    box-sizing: border-box;
}

.rightPart {
    flex-basis: 50%;
    background-color: #ecf0f1;
    height: 100%;
    padding: 20px;
    box-sizing: border-box;
}

.content {
    flex-basis: 33%;
    background-color: #34495e;
    margin-bottom: 10px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.leftPart .content label {
    background-color: #2980b9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    padding: 10px 15px;
    font-size: 16px;
    position: relative;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.nav-buttons {
    display: flex;
    align-items: center;
}

.nav-buttons span {
    display: block;
    width: 16px;
    height: 16px;
    margin-left: 6px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 12px;
    color: white;
}

.nav-buttons .minimize i {
    color: #f39c12;
}

.nav-buttons .maximize i {
    color: #27ae60;
}

.nav-buttons .close i {
    color: #e74c3c;
}

.leftPart .content textarea {
    width: 100%;
    height: calc(100% - 40px);
    padding: 10px 15px;
    outline: none;
    border: none;
    background-color: #ecf0f1;
    color: #2c3e50;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    resize: none;
    font-size: 14px;
}

.rightPart label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: #2980b9;
    color: white;
    font-size: 16px;
    margin-bottom: 10px;
    border-radius: 10px;
}

.iframe {
    display: block;
    width: 100%;
    height: calc(100% - 40px);
    border: none;
    box-sizing: border-box;
    border-radius: 10px;
    background-color: #fff;
}