.challenge-panel,.challenge-card{background:#fff;color:#172a46;border:1px solid #dce3ec;border-radius:18px;padding:24px;margin:20px 0}.challenge-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.challenge-heading h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.04em;margin:12px 0}.challenge-heading p,.challenge-card p,.challenge-help{color:#59677c;line-height:1.65}.challenge-eyebrow{font-size:12px;font-weight:800;letter-spacing:.13em;color:#c8163d}.challenge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.challenge-card{margin:0;display:flex;flex-direction:column;gap:12px}.challenge-card h3{font-size:20px;line-height:1.45;margin:4px 0;overflow-wrap:anywhere}.challenge-card .btn{margin-top:auto}.challenge-card-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:12px;font-weight:700;color:#576579}.challenge-comparison{display:grid;grid-template-columns:1fr 1fr;gap:10px}.challenge-comparison span{background:#f3f5f9;padding:15px;border-radius:12px;line-height:1.7;font-size:13px;overflow-wrap:anywhere}.challenge-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.challenge-stats div{background:#fff;border:1px solid #dce3ec;padding:18px;border-radius:12px;color:#526174}.challenge-stats b{display:block;font-size:28px;color:#172a46}.challenge-tabs,.challenge-actions{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.challenge-tabs button{border:1px solid #cbd5e1;border-radius:24px;padding:10px 16px;background:white;color:#253650;min-height:44px}.challenge-tabs button.active{background:#172a46;color:white}.challenge-filters{display:grid;grid-template-columns:2fr 1fr auto;gap:10px}.challenge-link{background:none;border:0;color:#214b93;text-align:left;text-decoration:underline}.challenge-table{overflow:auto}.challenge-table table{width:100%;border-collapse:collapse}.challenge-table th,.challenge-table td{padding:14px;text-align:left;border-bottom:1px solid #e1e7ef}#challengeDialog{width:min(94vw,760px);max-height:90dvh;overflow:auto;border:1px solid #cbd5e1;border-radius:22px;padding:24px;background:#fff;color:#172a46}#challengeDialog::backdrop{background:#081324b3}.challenge-dialog-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:25px}#challengeDialog label{display:block;font-weight:700;margin:18px 0 8px}#challengeDialog .input{width:100%;background:#fff;color:#172a46;font-size:16px;border:1px solid #b9c6d8}#challengeConfidence{width:100%;accent-color:#e11d48;min-height:40px}.challenge-success{background:#eaf7f0;color:#17643d;border-radius:12px;padding:16px}.challenge-primary{background:#c8163d!important}.aip-home-stats[hidden],.aip-home-leaderboard[hidden]{display:none!important}@media(max-width:1050px){.challenge-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.challenge-grid{grid-template-columns:1fr}.challenge-heading{align-items:flex-start;flex-direction:column}.challenge-panel,.challenge-card{padding:18px}.challenge-filters{grid-template-columns:1fr}.challenge-stats{grid-template-columns:1fr}.challenge-stats b{display:inline;margin-right:8px}#challengeDialog{padding:18px}.challenge-actions button{flex:1;min-height:46px}}