:root{--accent:#14b8a6;--bg:#0f172a;--card:rgba(255,255,255,0.02)}
body{background:var(--bg);color:#e6eef8;font-family:Inter,Arial,Helvetica,sans-serif}
.header{background:linear-gradient(90deg,#06b6d4,#7c3aed);padding:18px;color:#04263a}
.container-card{background:var(--card);border-radius:12px;padding:20px;margin-top:20px}
.btn-accent{background:var(--accent);color:#042; border:none}
.small{color:#9fb3c8}