:root { --bg:#0f172a; --card:#111827; --text:#e5e7eb; --muted:#94a3b8; --accent:#60a5fa; }
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto}
.container{max-width:900px;margin:40px auto;padding:20px;background:var(--card);border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.3)}
h1{margin-top:0} h2{margin-top:32px} h3{margin:16px 0 8px}
textarea{width:100%;min-height:120px;padding:12px;border-radius:12px;border:1px solid #25324a;background:#0b1220;color:var(--text)}
button{background:var(--accent);color:#081226;border:none;padding:10px 14px;border-radius:10px;cursor:pointer}
button:disabled{opacity:.6;cursor:not-allowed}
#status{margin:10px 0;color:var(--muted)}
.group{margin-top:18px;padding:12px;border:1px solid #1f2937;border-radius:12px;background:#0b1220}
.card{border:1px solid #1f2937;border-radius:10px;padding:10px;margin:8px 0;background:#0a1626}
.card h4{margin:0 0 6px}
.badge{display:inline-block;margin:4px 6px 0 0;padding:2px 8px;border-radius:999px;background:#0e223a;color:#cbd5e1;font-size:12px}
.hidden{display:none}