.xtj-card{background:var(--surface,#fff);border:1px solid var(--border,#e2e8f0);border-radius:16px;overflow:hidden;margin-bottom:2rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.06),0 2px 4px -2px rgba(0,0,0,0.04);}
.xtj-options{display:flex;flex-direction:column;gap:0.75rem;padding:1rem;background:var(--surface-muted,#f8fafc);border-bottom:1px solid var(--border,#e2e8f0);}
.xtj-options-group{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 1rem;}
.xtj-options-label{font-size:0.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted,#64748b);margin-right:0.25rem;flex-basis:100%;}
.xtj-toggle{display:inline-flex;align-items:center;gap:0.4rem;font-size:0.8125rem;font-weight:500;color:var(--text-main,#334155);cursor:pointer;-webkit-tap-highlight-color:transparent;padding:0.35rem 0.6rem;border-radius:999px;background:var(--surface,#fff);border:1px solid var(--border,#e2e8f0);transition:background 0.15s,border-color 0.15s;}
.xtj-toggle:hover{background:var(--surface-muted,#f1f5f9);}
.xtj-toggle input{width:0.875rem;height:0.875rem;accent-color:var(--primary,#2563eb);margin:0;}
.xtj-editors{display:flex;flex-direction:column;min-height:280px;}
.xtj-pane{display:flex;flex-direction:column;min-height:0;flex:1;border-bottom:1px solid var(--border,#e2e8f0);}
.xtj-pane:last-child{border-bottom:none;}
.xtj-pane-head{display:flex;align-items:center;justify-content:space-between;gap:0.5rem;padding:0.5rem 1rem;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.04em;color:var(--text-muted,#64748b);background:var(--surface-muted,#f8fafc);border-bottom:1px solid var(--border,#e2e8f0);}
.xtj-stats{font-size:0.6875rem;font-weight:500;color:var(--text-muted,#94a3b8);text-transform:none;letter-spacing:0;}
.xtj-ace{min-height:260px;width:100%;}
.xtj-ace .ace_editor{min-height:260px;border:none;}
.xtj-ace .ace_scroller{border-radius:0;}
.xtj-actions{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;padding:0.75rem 1rem;background:var(--surface-muted,#f8fafc);border-top:1px solid var(--border,#e2e8f0);}
.xtj-btn{padding:0.5rem 1rem;font-size:0.875rem;font-weight:600;border-radius:10px;cursor:pointer;transition:background 0.2s,border-color 0.2s,color 0.2s,transform 0.1s;-webkit-tap-highlight-color:transparent;border:1px solid transparent;display:inline-flex;align-items:center;gap:0.35rem;}
.xtj-btn:active{transform:scale(0.98);}
.xtj-btn-primary{color:#fff;background:var(--primary,#2563eb);border-color:var(--primary,#2563eb);}
.xtj-btn-primary:hover:not(:disabled){background:var(--primary-dark,#1d4ed8);border-color:var(--primary-dark,#1d4ed8);}
.xtj-btn-primary:disabled{opacity:0.7;cursor:not-allowed;}
.xtj-btn-secondary{color:var(--text-main,#334155);background:var(--surface,#fff);border-color:var(--border,#e2e8f0);}
.xtj-btn-secondary:hover:not(:disabled){background:var(--surface-muted,#f1f5f9);border-color:var(--text-muted,#cbd5e1);}
@media (min-width:768px){.xtj-options{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:0.875rem 1.25rem;}
.xtj-options-group{flex-basis:auto;}
.xtj-options-label{flex-basis:auto;margin-right:0.5rem;}
.xtj-editors{display:grid;grid-template-columns:1fr 1fr;min-height:360px;}
.xtj-pane{border-bottom:none;border-right:1px solid var(--border,#e2e8f0);}
.xtj-pane:last-child{border-right:none;}
.xtj-ace{min-height:340px;}
.xtj-ace .ace_editor{min-height:340px;}
.xtj-actions{padding:0.875rem 1.25rem;gap:0.75rem;}
}
@media (min-width:992px){.xtj-ace{min-height:420px;}
.xtj-ace .ace_editor{min-height:420px;}
}