.app{width: min(1280px, calc(100% - 32px));margin: 22px auto 20px;background:#fffdf8;border:1px solid #e2d8c8;border-radius:14px;box-shadow:0 8px 30px rgba(20,30,50,.08);display:flex;flex-direction:column;overflow:}
.intro{padding: 16px 18px 12px;}
h1{font-size: 20px; margin: 0 0 5px;}
.intro p {
    color: var(--muted);
    font-size: 13px;
    margin: 0;
}
.card,.info{width: min(1240px, calc(100% - 40px));margin: 20px auto;background:#fffdf8;border:1px solid #e2d8c8;border-radius:10px;box-shadow:0 3px 12px #0000000b;padding:24px}
.tabs{display:flex;gap:8px;border-bottom:1px solid #ddd;margin-bottom:20px}
button{appearance:none;border:1px solid #111;border-radius:5px;background:#111;color:white;padding:9px 16px;min-height:38px;font:14px/1.25 Arial,sans-serif;cursor:pointer}
.tab.active:hover,.tab:hover{background:#333;color:#fff;}button:hover{background:#333}.secondary{background:#fff;color:#222;border-color:#ccc}.secondary:hover{background:#f2f2f2}
.tab{background:transparent;color:#444;border:0;border-bottom:3px solid transparent;border-radius:0;margin-bottom:-1px;font-weight:bold}.tab.active{border-bottom-color:#111;color:#111}
.head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}label{font-weight:700;font-size:15px}.hint{font-size:12px;color:#666}
textarea{display:block;width:100%;min-height:180px;resize:vertical;padding:13px 14px;border:1px solid #ccc;border-radius:6px;font:14px/1.6 Consolas,monospace;outline:none}
textarea:focus{border-color:#555;box-shadow:0 0 0 2px #0000000f}.output{background:#fafafa}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.options{display:flex;flex-wrap:wrap;gap:8px 18px;margin:14px 0;color:#444;font-size:14px}
.options label{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:400}.options input{accent-color:#111;width:16px;height:16px}
.status{min-height:22px;font-size:13px;margin-top:8px;overflow-wrap:anywhere}.info{margin-top:22px;box-shadow:none;padding:16px 18px}.info h2{font-size:18px;margin:0 0 8px}.info p{font-size:14px;color:#555;margin:6px 0}
code{background:#f0f0f0;padding:1px 4px;border-radius:3px;font-family:Consolas,monospace}footer{text-align:center;color:#777;font-size:12px;padding:0 16px 28px}
@media(max-width:600px){header{padding:0 16px}.card{padding:15px}textarea{min-height:155px}.head{align-items:flex-start;flex-direction:column;gap:2px}.actions{gap:8px}.actions button{flex:1 1 auto;padding:9px 11px}.tab{flex:1;padding:10px 8px}}