:root{--ink:#172033;--brand:#4f46e5;--bg:#f5f7fb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,sans-serif}.wrap{max-width:960px;margin:auto;padding:24px}.card{background:#fff;border:1px solid #e4e7ec;border-radius:16px;padding:20px;margin:14px 0;box-shadow:0 1px 2px #1018280c}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:700;cursor:pointer;text-decoration:none}.btn:disabled{opacity:.5}.input{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:9px;margin:5px 0 14px}.muted{color:#667085}.event.selected{border:2px solid var(--brand)}@media(max-width:640px){.grid{grid-template-columns:1fr}.wrap{padding:16px}}