* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

.desktop {
    width: 100vw;
    height: 100vh;
    background: #20242b;
    color: white;
    position: relative;
}

h1 {
    margin: 0;
    padding: 20px;
    font-size: 24px;
}

.window {
    position: absolute;
    width: 300px;
    background: #f5f5f5;
    color: #222;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

#notes {
    top: 100px;
    left: 100px;
}

#files {
    top: 180px;
    left: 300px;
}

#settings {
    top: 260px;
    left: 500px;
}

.title-bar {
    height: 40px;
    background: #30343b;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    cursor: move;
    border-radius: 8px 8px 0 0;
}

.close {
    border: none;
    background: transparent;
    color: white;
    font-size: 20px;
    cursor: pointer;
}

.content {
    padding: 20px;
    min-height: 100px;
}

.taskbar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 45px;
    background: #15181d;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}