.rovpc{max-width:920px;margin:30px auto;background:#fff;border:1px solid #e7e7e7;border-radius:18px;box-shadow:0 14px 40px rgba(0,0,0,.08);overflow:hidden;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#1d1d1d}.rovpc-header{padding:30px;background:linear-gradient(135deg,#111,#2b2b2b);color:#fff}.rovpc-header>span{font-size:11px;letter-spacing:2px;opacity:.7}.rovpc-header h2{margin:8px 0 4px;font-size:30px}.rovpc-header p{margin:0;opacity:.75}.rovpc-tabs{display:flex;gap:4px;padding:12px;border-bottom:1px solid #eee;overflow:auto}.rovpc-tabs button,.rovpc-actions button,.rovpc-history-head button{border:1px solid #ddd;background:#fff;padding:11px 15px;border-radius:9px;cursor:pointer;white-space:nowrap}.rovpc-tabs button.active,.rovpc-actions .primary,.rovpc-panel>.primary{background:#111;color:#fff;border-color:#111}.rovpc-panel{display:none;padding:28px}.rovpc-panel.active{display:block}.rovpc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rovpc-grid label{font-weight:600;font-size:14px}.rovpc-grid input{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:13px;border:1px solid #ccc;border-radius:9px;font-size:16px}.rovpc-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.rovpc-result{background:#f7f7f7;border:1px solid #e5e5e5;border-radius:12px;padding:18px;line-height:1.8}.rovpc-history-head{display:flex;justify-content:space-between;margin-bottom:15px}.rovpc-history-item{padding:13px;border-bottom:1px solid #eee}.rovpc-history-item small{opacity:.55}.rovpc-branding{text-align:center;padding:15px;border-top:1px solid #eee;font-size:12px;opacity:.65}@media(max-width:650px){.rovpc-header{padding:22px}.rovpc-header h2{font-size:24px}.rovpc-grid{grid-template-columns:1fr}.rovpc-panel{padding:20px}}