.oai-wrap{max-width:1180px;margin:0 auto;padding:24px}
.oai-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:22px;margin-bottom:22px;box-shadow:0 8px 20px rgba(0,0,0,.04)}
.oai-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.oai-full{grid-column:1/-1}
.oai-form input,.oai-form select,.oai-form textarea{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:12px;box-sizing:border-box}
.oai-form textarea{min-height:90px}
.oai-form label{display:block;font-weight:600;margin-bottom:6px}
.oai-form button{background:#111827;color:#fff;border:none;border-radius:12px;padding:14px 18px;font-weight:700;cursor:pointer}
.oai-notice{background:#ecfdf5;border:1px solid #10b981;padding:12px 16px;border-radius:12px;margin-bottom:18px}
.oai-muted{background:#f3f4f6;padding:12px 16px;border-radius:12px}
.oai-attendee-box{margin-top:16px;padding:16px;border:1px solid #eef2f7;border-radius:14px;background:#fafafa}
.oai-checkbox{margin:16px 0}
.oai-checkbox label{font-weight:400;display:flex;gap:10px;align-items:flex-start}
.oai-checkbox input{width:auto;margin-top:3px}
.oai-danger{background:#b91c1c !important}
@media (max-width: 768px){.oai-grid{grid-template-columns:1fr}}