*{
    box-sizing:border-box;
}

/* APP */
.mpa-editor-app{
    width:100%;
    font-family:Arial, sans-serif;
    background:#f1f5f9;
    border-radius:16px;
    padding:14px;
}

/* HEADER */
.mpa-header{
    text-align:center;
    margin-bottom:14px;
}

.mpa-title{
    margin:0 0 8px;
    font-size:22px;
    color:#1e3a8a;
}

.mpa-actions{
    display:flex;
    justify-content:center;
    gap:12px;
    flex-wrap:wrap;
}

.mpa-actions button{
    padding:8px 16px;
    border:none;
    background:#2563eb;
    color:#fff;
    border-radius:8px;
    cursor:pointer;
    font-size:14px;
}

/* MAIN */
.mpa-main{
    display:flex;
    gap:20px;
}

/* COMMON BOX */
.mpa-box{
    flex:1;
    background:#ffffff;
    border-radius:18px;
    overflow:hidden;

    /* 3D look */
    box-shadow:
        0 25px 45px rgba(0,0,0,0.18),
        inset 0 0 0 rgba(255,255,255,0.2);
}

/* CODE BOX */
.mpa-code-box{
    transform:translateY(0);
}

.mpa-code-box textarea{
    width:100%;
    height:420px;
    border:none;
    padding:16px;
    font-family:monospace;
    font-size:14px;
    resize:none;
    background:#f8fafc;
}

/* OUTPUT BOX (slightly lower) */
.mpa-output-box{
    transform:translateY(16px);
}

.mpa-output-box iframe{
    width:100%;
    height:420px;
    border:none;
    background:#ffffff;
}

/* DARK MODE */
.dark .mpa-editor-app{
    background:#020617;
}

.dark .mpa-title{
    color:#60a5fa;
}

.dark .mpa-box{
    background:#020617;
}

.dark .mpa-code-box textarea{
    background:#020617;
    color:#e5e7eb;
}

.dark .mpa-output-box iframe{
    background:#020617;
}

/* 📱 MOBILE + TABLET */
@media (max-width: 900px){

    .mpa-main{
        flex-direction:column;
    }

    .mpa-code-box textarea,
    .mpa-output-box iframe{
        height:300px;
    }

    .mpa-output-box{
        transform:translateY(0);
    }
}