:root{
--bg:#0b1220;
--text:#e6edf7;
--muted:#9fb0c7;
--line:rgba(255,255,255,.10);
--accent:#66e3ff;
--radius:18px;
}

*{box-sizing:border-box}
body{margin:0;background:#fff;font-family:system-ui}
.rc-wrap{max-width:1100px;margin:0 auto;color:var(--text)}
.rc-bg{background:var(--bg);padding:22px 14px;border-radius:18px}

.rc-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.rc-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.rc-brand-mark{
width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
font-weight:800;background:linear-gradient(135deg,rgba(102,227,255,.25),rgba(124,92,255,.25));
}

.rc-hero{
border:1px solid var(--line);
border-radius:24px;
padding:28px;
background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
}

.rc-h1{margin:0;font-size:32px}
.rc-sub{color:var(--muted);margin-top:8px}

.rc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
@media(max-width:900px){.rc-grid{grid-template-columns:1fr}}

.rc-card{border:1px solid var(--line);border-radius:18px;background:rgba(0,0,0,.15)}
.rc-card-h{padding:14px 16px;border-bottom:1px solid var(--line)}
.rc-card-b{padding:16px}

.rc-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.rc-form{grid-template-columns:1fr}}

.rc-field label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}
.rc-field input{
width:100%;
padding:10px;
border-radius:12px;
border:1px solid rgba(255,255,255,.2);
background:rgba(7,12,22,.6);
color:var(--text);
}

.rc-row{display:flex;gap:10px;margin-top:14px}
.rc-btn{
flex:1;
padding:12px;
border-radius:12px;
border:1px solid rgba(255,255,255,.2);
background:linear-gradient(135deg,rgba(102,227,255,.25),rgba(124,92,255,.25));
color:white;
cursor:pointer;
}
.rc-btn-secondary{
flex:1;
padding:12px;
border-radius:12px;
border:1px solid rgba(255,255,255,.2);
background:rgba(255,255,255,.05);
color:var(--muted);
cursor:pointer;
}

.rc-metrics{display:grid;gap:12px}
.rc-metric{padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.2)}
.rc-highlight{background:linear-gradient(180deg,rgba(53,224,138,.15),rgba(0,0,0,.2))}
.rc-metric .k{font-size:12px;color:var(--muted)}
.rc-metric .v{font-size:22px;font-weight:700;margin-top:6px}
.rc-note{font-size:12px;color:var(--muted);margin-top:12px}

canvas{margin-top:20px;border:1px solid var(--line);border-radius:18px;background:rgba(0,0,0,.15)}