:root{
  --rb-bg:#4593e4;
  --rb-primary:#1E5A8A;
  --rb-primary-600:#17466a;
  --rb-card:#ffffff;
  --rb-ink:#0b1021;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Poppins",sans-serif;background:var(--rb-bg);color:#fff}
.container{max-width:1080px;margin:24px auto;padding:0 16px}
.header{display:flex;align-items:center;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.logo{height:96px;width:auto}
.subtitle{font-weight:700;font-size:28px;letter-spacing:.3px;margin-top:6px}
.tabs{display:flex;gap:12px;margin:18px 0 20px 0;flex-wrap:wrap}
.tab{background:#fff;color:var(--rb-ink);border:1px solid #e2e8f0;border-radius:32px;padding:10px 14px;font-weight:700;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.tab.active{background:var(--rb-primary);color:#fff;outline:3px solid rgba(255,255,255,.6)}
.tab[disabled]{opacity:.55;cursor:not-allowed}
.shell{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:16px;padding:16px}
.ask{margin:16px 0}
.ask label{display:block;font-size:12px;opacity:.9;margin:0 0 6px 4px}
textarea{width:100%;min-height:140px;border-radius:12px;border:1px solid #e2e8f0;padding:12px 14px;font:inherit;background:#fff;color:#0b1021}
.btn{margin-top:10px;background:var(--rb-primary);color:#fff;border:none;padding:10px 16px;border-radius:12px;font-weight:700;cursor:pointer}
.btn:hover{background:var(--rb-primary-600)}
.grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:14px}
@media(min-width:800px){.grid{grid-template-columns:repeat(4,1fr)}}
.panel{background:#fff;color:#0b1021;border:1px solid #e2e8f0;border-radius:14px;min-height:220px;display:flex;flex-direction:column;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.panel h4{font-size:12px;margin:10px 12px;color:#64748b;font-weight:800;text-transform:uppercase;letter-spacing:.4px}
.body{padding:10px 12px;white-space:pre-wrap;flex:1}
.sources{margin:8px 12px 12px;color:#64748b;font-size:12px}

body { background-color: #20aef2; }