body{font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:#f6f8fb;color:#0f172a}
.container{max-width:1000px;margin:24px auto;padding:0 16px}
.nav{background:#0f172a;color:#fff;padding:10px 16px}
.nav a{color:#fff;text-decoration:none;margin-right:16px}
.card{background:#fff;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.06);padding:16px;margin-top:16px}
h1{margin:12px 0}
label{display:block;margin-top:12px}
input,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px}
button{margin-top:12px;background:#0f172a;color:#fff;border:0;padding:10px 16px;border-radius:8px;cursor:pointer}
iframe{width:100%;height:80vh;border:1px solid #e5e7eb;border-radius:10px;background:#fff}
.badge{display:inline-block;padding:6px 12px;border-radius:20px;border:1px solid #cbd5e1;background:#fff;color:#0f172a;margin-bottom:16px}
.small{font-size:14px;color:#475569}