body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(180deg, #8ec5e8, #d8e8f5);
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.window {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 420px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.2);
    color: #222;
    display: none;
}

.titlebar {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #ececec;
    padding: 10px 12px;
    border-radius: 10px 10px 0 0;
    border-bottom: 1px solid #d5d5d5;
    cursor: move;
    user-select: none;
}

#menubar {
    display: flex;
    justify-content: space-between;
    background: #f6f6f6;
    padding: 4px 12px;
    font-size: 13px;
    color: #222;
}

.icon{
    position: absolute;
    top: 60px; left:20px;
    width: 74px;
    text-align: center;
    font-size: 12px;
    color: #fff;
    cursor: pointer;
    user-select: none;
}

#settings-icon { top: 240px; }
#settings { display: none; top: 200px; left: 60% }

.wall {
    padding: 6px 12px;
    margin-right: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #f6f6f6;
    cursor: pointer;
}

#welcome-icon { top: 150px; }

.icon-img { font-size: 36px; }

.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #ff5f57; cursor:pointer; }
.yellow { background: #febc2e; }
.green { background: #28c840; }

.title { margin-left: 8px; font-size: 13px; color: #555; }

.content { padding: 20px; }