*{box-sizing:border-box;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body,html{width:100%;height:100%;overflow:hidden;background-color:#1a1a1a;color:#e0e0e0}#app{position:relative;width:100vw;height:100vh}#canvas-container{width:100%;height:100%;position:absolute;top:0;left:0;z-index:1}#toolbar{position:absolute;top:0;left:0;right:0;height:60px;background:#1a1a1ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;padding:0 20px;z-index:10}.logo{font-size:1.25rem;font-weight:700;color:#fff;letter-spacing:.5px}.toolbar-actions{display:flex;gap:10px}#sidebar{position:absolute;top:60px;right:0;width:320px;bottom:0;background:#1a1a1ae6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-left:1px solid rgba(255,255,255,.1);z-index:10;display:flex;flex-direction:column;padding:20px;overflow-y:auto;gap:20px}.sidebar-section h3{font-size:.9rem;text-transform:uppercase;letter-spacing:1px;color:#888;margin-bottom:10px}.mode-toggle{display:flex;background:#0006;border-radius:8px;padding:4px;gap:4px}.btn-mode{flex:1;background:transparent;border:none;color:#aaa;padding:8px;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s}.btn-mode.active{background:#2563eb;color:#fff}.control-group{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.control-group label{font-size:.85rem;color:#ccc;display:flex;justify-content:space-between}input[type=range]{width:100%;accent-color:#2563eb}.btn-sm{background:#333;color:#fff;border:1px solid #444;padding:6px 10px;border-radius:4px;cursor:pointer;font-size:.8rem;margin-top:4px;transition:background .2s}.btn-sm:hover{background:#444}.tabs{display:flex;gap:4px;margin-bottom:12px;background:#0000004d;padding:3px;border-radius:6px}.tabs .asset-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-height:240px;overflow-y:auto;padding-right:4px}.tabs .asset-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px;text-align:center;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:6px;min-height:105px}.tabs .asset-card img{width:60px;height:60px;object-fit:contain;background:#0003;border-radius:4px}.tabs .asset-card:hover{background:#2563eb33;border-color:#2563eb}.tabs .asset-card.selected{background:#2563eb66;border-color:#3b82f6;box-shadow:0 0 10px #3b82f64d}.tabs .asset-card span{font-size:.75rem;color:#ddd;word-break:break-word;line-height:1.2}.tab-btn{flex:1;background:transparent;border:none;color:#aaa;padding:6px;border-radius:4px;cursor:pointer;font-size:.85rem;font-weight:500}.tab-btn.active{background:#374151;color:#fff}.stats{font-size:.85rem;color:#aaa;border-top:1px solid rgba(255,255,255,.1);padding-top:15px}.stats p{margin-bottom:4px}.hint{margin-top:10px;font-size:.75rem;color:#777;line-height:1.4}.btn{background:#374151;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:600;font-size:.9rem;transition:background .2s}.btn:hover{background:#4b5563}.btn.primary{background:#2563eb}.btn.primary:hover{background:#1d4ed8}.btn.danger{background:#dc2626}.btn.danger:hover{background:#b91c1c}.modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:100;display:flex;justify-content:center;align-items:center}.modal-content{background:#1f2937;border:1px solid rgba(255,255,255,.15);border-radius:12px;width:600px;max-width:90vw;padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:0 20px 25px -5px #00000080}.modal-content h2{font-size:1.25rem;color:#fff}.modal-content p{font-size:.9rem;color:#aaa}#export-textarea{width:100%;height:250px;background:#111827;color:#10b981;border:1px solid #374151;border-radius:6px;padding:12px;font-family:monospace;font-size:.85rem;resize:none}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.close-modal{position:absolute;top:20px;right:25px;font-size:1.5rem;color:#aaa;cursor:pointer}.close-modal:hover{color:#fff}