*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #7c5dfa;--accent-hover: #9277ff;--success: #4ade80;--error: #f87171;--border: #333333}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.app{display:flex;flex-direction:column;min-height:100vh}.demo-banner{background:linear-gradient(90deg,#f59e0b,#d97706);color:#1a1a1a;text-align:center;padding:.5rem 1rem;font-size:.85rem}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:1rem 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p{max-width:400px;text-align:center;line-height:1.6}.demo-guidance{margin-top:2rem;padding:1.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;max-width:400px;text-align:left}.demo-guidance h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.demo-guidance ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}.demo-guidance li{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.demo-guidance li strong{color:var(--text-primary)}.demo-note{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-secondary);font-style:italic}.loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem}.spinner{width:48px;height:48px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes 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#0000004d}.page-image{max-width:100%;max-height:90vh;display:block}.page-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:400px;min-height:600px;gap:1rem;color:var(--text-secondary)}.side-by-side{display:flex;gap:2rem;align-items:flex-start}.side-panel{flex:1;max-width:600px}.side-label{text-align:center;font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem}.page-nav{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 20px #0006}.nav-btn{padding:.5rem 1rem;background:var(--bg-tertiary);border:none;border-radius:6px;color:var(--text-primary);cursor:pointer;transition:background .2s}.nav-btn:hover:not(:disabled){background:var(--accent)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.page-info{font-size:.9rem;color:var(--text-secondary);min-width:80px;text-align:center}.error-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;color:var(--error)}.error-icon{font-size:3rem}.error-message{color:var(--text-secondary);max-width:400px;text-align:center}.retry-btn{padding:.75rem 1.5rem;background:transparent;border:1px solid var(--error);border-radius:8px;color:var(--error);cursor:pointer;transition:all .2s}.retry-btn:hover{background:var(--error);color:#fff}@media (max-width: 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