.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:99999;transition:opacity .5s ease,visibility .5s ease}.loader-overlay.hidden{opacity:0;visibility:hidden}.loader-logo{font-size:42px;font-weight:700;color:var(--color-background-dark);margin-bottom:40px;letter-spacing:-1px}@media (prefers-color-scheme:dark){.loader-logo{color:var(--color-background)}}.blocks-loader{display:flex;gap:8px;margin-bottom:24px}.loader-block{width:20px;height:20px;background:#00d9a3;border-radius:4px;animation:blockWave 1.2s ease-in-out infinite}.loader-block:first-child{animation-delay:0s}.loader-block:nth-child(2){animation-delay:.15s}.loader-block:nth-child(3){animation-delay:.3s}.loader-block:nth-child(4){animation-delay:.45s}.loader-block:nth-child(5){animation-delay:.6s}@keyframes blockWave{0%,to{transform:translateY(0) scale(1);opacity:.6}50%{transform:translateY(-15px) scale(1.1);opacity:1}}.loading-text{font-size:14px;color:#4a5568;letter-spacing:2px;text-transform:uppercase;font-weight:600}.progress-container{width:200px;height:3px;background:rgba(0,217,163,.15);border-radius:10px;overflow:hidden;margin-top:24px}.progress-bar{height:100%;background:#00d9a3;border-radius:10px;animation:progressLoad 2s ease-in-out infinite}@keyframes progressLoad{0%{width:0}to{width:100%}}.spinner-variant{display:none;width:50px;height:50px;border:4px solid rgba(0,217,163,.2);border-top-color:#00d9a3;border-radius:50%;animation:spin .8s linear infinite;margin-bottom:24px}@keyframes spin{to{transform:rotate(1turn)}}.pulse-dots-variant{display:none;display:flex;gap:12px;margin-bottom:24px}.pulse-dot{width:12px;height:12px;background:#00d9a3;border-radius:50%;animation:pulse 1.4s ease-in-out infinite}.pulse-dot:first-child{animation-delay:0s}.pulse-dot:nth-child(2){animation-delay:.2s}.pulse-dot:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.5}}.building-blocks-variant{display:none;width:100px;height:100px;position:relative;margin-bottom:24px}.building-block{position:absolute;width:20px;height:20px;background:#00d9a3;border-radius:3px;animation:buildUp 1.5s ease-in-out infinite}.building-block:first-child{bottom:0;left:0;animation-delay:0s}.building-block:nth-child(2){bottom:0;left:25px;animation-delay:.2s;background:rgba(102,126,234,.8)}.building-block:nth-child(3){bottom:0;left:50px;animation-delay:.4s;background:rgba(240,147,251,.8)}.building-block:nth-child(4){bottom:25px;left:0;animation-delay:.6s}.building-block:nth-child(5){bottom:25px;left:25px;animation-delay:.8s;background:rgba(79,172,254,.8)}@keyframes buildUp{0%,to{transform:translateY(50px);opacity:0}50%,80%{transform:translateY(0);opacity:1}}.snake-loader-variant{display:none;width:80px;height:80px;position:relative;margin-bottom:24px}.snake-segment{position:absolute;width:12px;height:12px;background:#00d9a3;border-radius:3px;animation:snakeMove 2s ease-in-out infinite}.snake-segment:first-child{animation-delay:0s}.snake-segment:nth-child(2){animation-delay:.1s;opacity:.9}.snake-segment:nth-child(3){animation-delay:.2s;opacity:.8}.snake-segment:nth-child(4){animation-delay:.3s;opacity:.7}.snake-segment:nth-child(5){animation-delay:.4s;opacity:.6}@keyframes snakeMove{0%{left:0;top:0}25%{left:68px;top:0}50%{left:68px;top:68px}75%{left:0;top:68px}to{left:0;top:0}}.loader-overlay.dark-mode{background:#0a0a0a}.dark-mode .loader-logo{color:#fff}.dark-mode .loading-text{color:#94a3b8}.dark-mode .progress-container{background:rgba(0,217,163,.2)}.demo-controls{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:100000;background:hsla(0,0%,100%,.95);padding:20px 30px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.15);display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.demo-btn{padding:10px 20px;background:#00d9a3;color:#0a0a0a;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .3s ease}.demo-btn:hover{background:#00a67d;transform:translateY(-2px)}.demo-btn.secondary{background:#f5f5f5;color:#1a1a1a;border:1px solid #e2e8f0}.demo-btn.secondary:hover{background:#e2e8f0}.main-content{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:40px;text-align:center}.main-content h1{font-size:48px;color:#1a1a1a;margin-bottom:20px}.main-content p{font-size:18px;color:#4a5568;max-width:600px}