.hero-image img{max-width:100%;height:auto}.upload-area.dragover{background:rgba(16,185,129,.1);border-color:var(--primary-dark)}.analysis-section.active{display:block}.warning-icon.high{background:rgba(239,68,68,.2);color:var(--danger)}.fade-in{animation:fadeIn .5s ease}.spinner{border:3px solid var(--light);border-top:3px solid var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:20px auto}