.loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:1.2rem;color:#666}.landing{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem}.landing-content{max-width:900px;text-align:center}.landing h1{font-size:3rem;margin-bottom:1rem}.subtitle{font-size:1.3rem;margin-bottom:3rem;opacity:.9}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:3rem}.feature{background:#ffffff1a;padding:2rem;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feature h3{font-size:1.5rem;margin-bottom:1rem}.login-button{display:inline-block;background:#fff;color:#667eea;padding:1rem 3rem;border-radius:50px;text-decoration:none;font-weight:700;font-size:1.1rem;transition:transform .2s}.login-button:hover{transform:translateY(-2px)}.header{background:#fff;padding:1.5rem 2rem;box-shadow:0 2px 8px 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auto;padding:2rem}.form-section{background:#fff;padding:2rem;border-radius:12px;margin-bottom:1.5rem;box-shadow:0 2px 8px #0000001a}.form-section h2{font-size:1.5rem;margin-bottom:1.5rem;color:#667eea;border-bottom:2px solid #667eea;padding-bottom:.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.form-group input,.form-group textarea{width:100%;padding:.8rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;font-family:inherit}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#667eea}.form-group small{display:block;margin-top:.5rem;color:#666;font-size:.85rem}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.file-count{margin-top:.5rem;color:#667eea;font-weight:500}.submit-button{background:#667eea;color:#fff;padding:1rem 3rem;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;width:100%;transition:background .2s}.submit-button:hover:not(:disabled){background:#5568d3}.submit-button:disabled{background:#ccc;cursor:not-allowed}.artifact-view{min-height:100vh;background:#f5f5f5}.artifact-details{max-width:1200px;margin:0 auto;padding:2rem}.photo-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-bottom:2rem}.photo-gallery img{width:100%;height:300px;object-fit:cover;border-radius:12px;box-shadow:0 2px 8px #0000001a}.details-grid{display:grid;gap:1.5rem}.detail-section{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 2px 8px #0000001a}.detail-section h2,.detail-section h3{color:#667eea;margin-bottom:1rem}.detail-section dl{display:grid;grid-template-columns:150px 1fr;gap:1rem}.detail-section dt{font-weight:600;color:#666}.detail-section 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2rem;color:#d32f2f;font-size:1.2rem}.existing-photos{margin-bottom:1.5rem}.existing-photos h3{font-size:1.1rem;margin-bottom:1rem;color:#333}.photo-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem;margin-bottom:1rem}.photo-preview{position:relative;border-radius:8px;overflow:hidden;border:2px solid #e0e0e0}.photo-preview img{width:100%;height:150px;object-fit:cover;display:block}.remove-photo-btn{position:absolute;top:.5rem;right:.5rem;background:#d32f2fe6;color:#fff;border:none;padding:.3rem .8rem;border-radius:4px;cursor:pointer;font-size:.85rem;font-weight:500;transition:background .2s}.remove-photo-btn:hover{background:#d32f2f}.cancel-btn{background:#f0f0f0;color:#666;padding:.8rem 2rem;border-radius:8px;text-decoration:none;display:inline-block;font-weight:500;transition:background .2s;margin-left:1rem}.cancel-btn:hover{background:#e0e0e0}.error-message{background:#ffebee;color:#d32f2f;padding:1rem;border-radius:8px;margin-top:1rem;text-align:center}.artifact-history{margin-top:2rem}.history-toggle-btn{background:#667eea;color:#fff;padding:.8rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-weight:500;font-size:1rem;transition:background .2s}.history-toggle-btn:hover{background:#5568d3}.history-panel{margin-top:1.5rem;padding:1.5rem;background:#f9f9f9;border-radius:8px}.history-panel h3{margin-bottom:1.5rem;color:#333;font-size:1.3rem}.history-loading,.history-empty{text-align:center;padding:2rem;color:#666}.history-timeline{display:flex;flex-direction:column;gap:1.5rem}.history-entry{background:#fff;padding:1.5rem;border-radius:8px;border-left:4px solid #667eea}.history-entry-header{margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid #e0e0e0}.history-date{font-weight:500;color:#667eea}.history-changes h4{font-size:1rem;margin-bottom:1rem;color:#555}.history-snapshot{display:grid;gap:.8rem}.snapshot-field{padding:.6rem;background:#f5f5f5;border-radius:4px;font-size:.95rem}.snapshot-field strong{color:#333;margin-right:.5rem}.snapshot-value{color:#666}.filters-section{background:#f9f9f9;padding:1.5rem;border-radius:8px;margin-bottom:2rem}.filters-section h3{margin-bottom:1rem;color:#333;font-size:1.2rem}.filters-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-bottom:1rem}.filter-input{padding:.8rem;border:2px solid #e0e0e0;border-radius:6px;font-size:1rem;transition:border-color .2s}.filter-input:focus{outline:none;border-color:#667eea}.clear-filters-btn{background:#f44336;color:#fff;padding:.6rem 1.5rem;border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:background .2s}.clear-filters-btn:hover{background:#d32f2f}@media (max-width: 768px){.landing h1{font-size:2rem}.features{grid-template-columns:1fr}.header{flex-direction:column;gap:1rem;text-align:center}.artifacts-grid,.detail-section dl{grid-template-columns:1fr}.detail-section dt{font-weight:700;margin-top:1rem}.detail-section dt:first-child{margin-top:0}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5;color:#333}#root{min-height:100vh}