body{
    --bg: #0b0629f6;
    --body-bg: #1a5357;
    --panel: #14182b;
    --muted: #8b93a7;
    --txt: #e9ecf1;
    --brand: #7dd3fc;
    --brand-2: #60a5fa;
    --ok: #22c55e;
    --warn: #eab308;
    --err: #ef4444;
    --radius: 18px;
    --gap: 14px;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: sans-serif;
    background: linear-gradient(180deg, var(--body-bg), var(--bg) 35%);
    color: var(--txt);
}

header{
    padding: 20px;
    background: linear-gradient(90deg, rgba(171, 9, 136, 0.279), rgba(125,211,252,0.1));
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.container{
    max-width:1200px;
    margin-inline: auto;
    padding:14px;
    justify-content: space-between;
}

.brand{
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.brand .logo{
    inline-size: 36px;
    block-size: 36px;
    border-radius: 20%;

    background: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQcjIm2ohnfiCnNrkeD85PA7y6jSRwCxEL9kg&s") no-repeat center/cover;
}

.title{
    font-size: clamp(18px, 2vw, 22px);
}

main {
    max-width: 1516px;
    margin-inline: auto;
    padding: 18px;
    display: grid;
    grid-template-columns: 280px 1fr 360px;
    gap: var(--gap);
}

@media (max-width: 1100px){
    main {
        grid-template-columns: 1fr;
       }
}

.card {
    background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.panel {
    padding: 16px;
}

h2,h3 {
    margin: 0 0 12px;
}

.muted {
    color: var(--muted);
    font-size: 13px;
}

.stack {
    display: flex;
    flex-direction: column; 
    gap: 10px;
}

.row{
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: space-between;
}

.btn{
    appearance: none;
    border: none;
    background: linear-gradient(180deg, var(--brand-2), var(--brand));
    color: #0b111f;
    font-weight: 700;
    padding: 10px 14px;
    border: 12px;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(96, 165, 250, 0.35);
}

.btn.secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--txt);
    box-shadow: none;
}

.btn.warn{
    background: linear-gradient(180deg, #f59e0b, #eab308);
}

.btn.ok{
    background: linear-gradient(180deg, #34d399, #22c55e);
}

.btn.err{
    background: linear-gradient(180deg, #fe7185, #ef4444);
}

.select, select, .text {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--txt);
    padding: 10px 12px;
    border-radius: 12px;
}

textArea.text{
    width: 100%;
    min-height: 120px;
}

.tabs{
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tab{
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    font-weight: 700;
    color: #ffff;
}

.tab.active{
    background: linear-gradient(180deg, rgba(125, 211, 252, 0.18), rgba(96, 165, 250, 0.18));
    color: #00ff00 !important;
}

.editor-wrap{
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    overflow: hidden;
    min-height: 280px;
    background-color: #0b1020;
}

.editor{
    inline-size: 100%;
    block-size: 380px;
}

iframe.preview{
    inline-size: 100%;
    block-size: 380px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background-color: #fff;
}

.out {
    background-color: #0a0e1a;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 10px;
    min-height: 160px;
    overflow: auto;
    white-space: pre-wrap;
}

.footer{
    opacity:0.7;
    font-size: 12px;
    text-align: center;
    padding: 12px;
}

.kbd{
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Cascadia Code", monospace;
    background-color: #0e1324;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 2px 6px;
}

.label {
    font-size: 15px;
    color: var(--muted);
}