.study-disclaimer {
    position: fixed;
    inset: auto 0 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 20px 32px calc(20px + env(safe-area-inset-bottom));
    background: #b91c1c;
    border-top: 1px solid #f87171;
    box-shadow: 0 -8px 30px #0003;
}
.study-disclaimer-copy { max-width: 900px; }
.study-disclaimer-copy strong { display: block; margin-bottom: 5px; color: #fff; font-size: 14px; }
.study-disclaimer-copy p { margin: 0; color: #fff; font-size: 13px; line-height: 1.6; }
.study-disclaimer-button {
    flex-shrink: 0;
    padding: 11px 24px;
    border-radius: 24px;
    background: #fff;
    color: #991b1b;
    font-weight: 700;
}
.study-disclaimer-button:hover { background: #fee2e2; }
.study-disclaimer-button:focus-visible { outline: 2px solid #fff; }
.study-disclaimer[hidden] { display: none !important; }
.study-disclaimer-actions { display: flex; flex-direction: row; align-items: center; gap: 12px; flex-shrink: 0; }
.study-disclaimer-preference { display: flex; align-items: center; gap: 6px; margin: 0; color: #fff; font-size: 12px; line-height: 16px; white-space: nowrap; cursor: pointer; }
.study-disclaimer-actions .study-disclaimer-button { align-self: center; }
@media (max-width: 540px) { .study-disclaimer-actions { align-self: flex-end; } }
.study-disclaimer-preference input { width: 16px; height: 16px; margin: 0; flex-shrink: 0; accent-color: #fff; }
.study-disclaimer-preference input:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
@media (max-width: 540px) {
    .study-disclaimer { align-items: stretch; flex-direction: column; gap: 14px; padding: 16px 20px calc(16px + env(safe-area-inset-bottom)); }
    .study-disclaimer-copy p { font-size: 12px; }
    .study-disclaimer-button { align-self: flex-end; }
}