.tour-viewer{position:relative;width:100%;height:100%;overflow:hidden}.loading-screen,.error-screen{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--background-color);color:var(--text-color);z-index:1000}.loading-spinner{width:40px;height:40px;border:4px solid var(--primary-color);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}.loading-text,.error-text{margin-top:1rem;font-size:1.125rem}.panorama-container{width:100%;height:100%}.controls-container{position:absolute;bottom:1rem;left:50%;transform:translate(-50%);display:flex;gap:.5rem;padding:.5rem;background-color:var(--controls-background);border-radius:.5rem;z-index:10}.controls-container button{padding:.5rem;background:none;border:none;color:var(--controls-color);cursor:pointer;transition:opacity .2s}.controls-container button:hover{opacity:.8}.scene-list{position:absolute;top:1rem;right:1rem;display:flex;flex-direction:column;gap:.5rem;padding:.5rem;background-color:var(--scene-list-background);border-radius:.5rem;z-index:10;max-height:calc(100% - 2rem);overflow-y:auto}.scene-item{display:flex;align-items:center;gap:.5rem;padding:.5rem;border-radius:.25rem;cursor:pointer;transition:background-color .2s}.scene-item:hover{background-color:var(--scene-list-active-background)}.scene-item.active{background-color:var(--scene-list-active-background);color:var(--scene-list-active-color)}.scene-item img{width:60px;height:40px;-o-object-fit:cover;object-fit:cover;border-radius:.25rem}.audio-controls{position:absolute;bottom:1rem;right:1rem;display:flex;align-items:center;gap:.5rem;padding:.5rem;background-color:var(--controls-background);border-radius:.5rem;z-index:10}.theme-selector{position:absolute;top:1rem;left:1rem;padding:.5rem;background-color:var(--controls-background);border-radius:.5rem;z-index:10}.theme-selector select{background-color:transparent;color:var(--controls-color);border:1px solid var(--controls-color);border-radius:.25rem;padding:.25rem .5rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--background-color: #1e293b;--text-color: #f8fafc;--error-color: #ef4444}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--background-color);color:var(--text-color)}.viewer-app{width:100%;height:100vh;display:flex;flex-direction:column}.error-message{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:2rem;text-align:center}.error-icon{font-size:3rem;margin-bottom:1rem}.error-text{color:var(--error-color);font-size:1.25rem;margin-bottom:1rem}.error-example{font-size:1rem;opacity:.8}.error-example code{background-color:#ffffff1a;padding:.25rem .5rem;border-radius:.25rem;font-family:monospace}:root{--primary-color: #2563eb;--secondary-color: #475569;--accent-color: #3b82f6;--background-color: #f8fafc;--text-color: #1e293b;--error-color: #ef4444;--success-color: #22c55e;--warning-color: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:16px;line-height:1.5;color:var(--text-color);background-color:var(--background-color)}#app{width:100%;height:100%}