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h3{margin-bottom:4px;font-size:1.15rem;font-weight:700}.account-desc{color:var(--text-secondary);margin-bottom:20px;font-size:.85rem}.account-input{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;transition:border-color var(--transition);text-align:center;outline:none;margin-bottom:12px;padding:10px 16px;font-family:inherit;font-size:.95rem}.account-input:focus{border-color:var(--accent)}.account-error{color:#ef4444;min-height:1.2em;margin-bottom:10px;font-size:.8rem}.account-submit{border-radius:var(--radius-sm);background:var(--accent);color:#fff;cursor:pointer;width:100%;transition:background var(--transition);border:none;padding:10px 16px;font-family:inherit;font-size:.95rem;font-weight:600}.account-submit:hover{background:#3d5bd9}.account-logout{border:1px solid var(--border);color:var(--text-secondary);background:0 0}.account-logout:hover{color:#ef4444;background:#fef2f2;border-color:#ef4444}.profile-avatar{margin-bottom:8px;font-size:2.5rem}.file-item.search-highlight,.image-card.search-highlight{background:var(--accent-soft)!important;border-color:var(--accent)!important;box-shadow:0 0 0 3px var(--accent-soft), var(--shadow-hover)!important}@media (width<=768px){.categories .container{grid-template-columns:1fr}.hero{padding:48px 0 40px}.section{padding:40px 0}.image-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.file-item{flex-wrap:wrap}.file-size{display:none}.lightbox{padding:16px}.modal{padding:24px}.search-box{margin:0 8px}.search-input{width:120px}.search-input:focus{width:160px}.search-results{width:300px;right:-60px}}