.qs-app {
    display: flex;
    min-height: 100vh;
}

.qs-main {
    flex: 1;
    padding: 40px;
    max-width: 1200px;
    margin: auto;
}

/* SIDEBAR */
.qs-sidebar {
    width: 260px;
    background: #0f172a;
    color: #fff;
    padding: 30px 20px;
}

/* HEADER */
.qs-header-premium {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}