*{margin:0;padding:0;box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}html,body{width:100%;height:100%;overflow:hidden;font-family:Segoe UI,system-ui,sans-serif;background:#0a0a1a}#app{width:100vw;height:100vh;position:relative}.hidden{display:none!important}#mode-selector{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:100}.mode-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#0a0a2e,#1a1a4e,#0d0d3d);animation:bgPulse 4s ease-in-out infinite}@keyframes bgPulse{0%,to{filter:brightness(1)}50%{filter:brightness(1.2)}}.mode-content{position:relative;z-index:1;text-align:center;padding:20px;max-width:900px;width:100%}.mode-logo{font-size:80px;animation:float 3s ease-in-out infinite}@keyframes 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#00d4ff33}.mode-card:hover:before{opacity:1}.mode-card-icon{font-size:48px;margin-bottom:16px}.mode-card h2{color:#fff;font-size:1.4rem;margin-bottom:12px}.mode-card p{color:#fff9;font-size:.95rem;line-height:1.5;margin-bottom:16px}.mode-badge{background:linear-gradient(90deg,#00d4ff,#7b2fff);color:#fff;padding:4px 14px;border-radius:20px;font-size:.8rem;font-weight:700}.mode-stars{font-size:1.5rem;margin-top:30px;animation:starsPulse 2s ease-in-out infinite}@keyframes starsPulse{0%,to{opacity:.5}50%{opacity:1}}#screen-ui{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column}#screen-header{display:flex;align-items:center;gap:16px;padding:12px 20px;background:#0006;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;border-bottom:1px solid rgba(255,255,255,.1)}#screen-number{background:#ffffff26;color:#fff;font-size:.75rem;font-weight:700;padding:4px 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#fff}#continue-btn{position:absolute;bottom:60px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,#00d4ff,#7b2fff);color:#fff;border:none;border-radius:50px;padding:18px 48px;font-size:1.3rem;font-weight:800;cursor:pointer;display:flex;align-items:center;gap:12px;box-shadow:0 8px 32px #00d4ff66,0 0 60px #7b2fff33;transition:all .3s;animation:continueFloat 2s ease-in-out infinite;z-index:20;letter-spacing:.5px}#continue-btn:hover{transform:translate(-50%) scale(1.05);box-shadow:0 12px 48px #00d4ff99}#continue-btn.hidden{display:none}@keyframes continueFloat{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) 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h1{font-size:2.5rem;color:#b8860b;letter-spacing:6px;margin-bottom:5px}.cert-container h2{font-size:1.1rem;color:#888;letter-spacing:3px;margin-bottom:20px}.cert-name{font-size:2rem;color:#1a1a1a;font-weight:900;border-bottom:2px solid #gold;margin:10px 0;padding-bottom:10px}.cert-container p{color:#555;font-size:1rem;margin:5px 0}.cert-container h3{color:#1a1a1a;font-size:1.2rem;margin:10px 0}.cert-date{color:#888;font-size:.9rem;margin:15px 0}.cert-stars{font-size:1.5rem;margin:15px 0}.cert-print-btn,.cert-restart-btn{margin:8px 4px 0;padding:12px 28px;border:none;border-radius:30px;font-size:1rem;font-weight:700;cursor:pointer;transition:.3s}.cert-print-btn{background:linear-gradient(135deg,#ffd60a,#e85d04);color:#fff}.cert-restart-btn{background:linear-gradient(135deg,#00d4ff,#7b2fff);color:#fff}.cert-print-btn:hover,.cert-restart-btn:hover{transform:scale(1.05)}@media 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#00ff8826}.outro-stars{font-size:2rem;margin-bottom:8px;animation:starsPulse 1.5s ease-in-out infinite}.outro-title{color:#0f8;font-size:1.6rem;font-weight:800;margin-bottom:14px;text-shadow:0 0 30px rgba(0,255,136,.4)}.outro-summary{color:#ffffffd9;font-size:.95rem;line-height:1.6;margin-bottom:14px;text-align:left;background:#00ff880d;border-radius:12px;padding:14px 16px;border-left:3px solid rgba(0,255,136,.4)}.outro-fact{color:#ffffffb3;font-size:.85rem;line-height:1.5;margin-bottom:16px;background:#ffd70014;border:1px solid rgba(255,215,0,.15);border-radius:12px;padding:12px 16px;text-align:left}.outro-xp{color:#ffd60a;font-size:1.4rem;font-weight:900;text-shadow:0 0 20px rgba(255,214,10,.4)}.outro-xp-total{font-size:.85rem;color:#ffffff80;font-weight:600}#skip-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#ffffff80;font-size:1rem;padding:4px 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12px}.learn-item{display:flex;align-items:center;gap:8px;color:#fffc;font-size:.85rem;font-weight:500;padding:5px 0}.learn-item span{font-size:1.1rem;flex-shrink:0}.learn-footer{margin-top:14px;text-align:center;color:#ffffff59;font-size:.75rem;font-weight:600;letter-spacing:.5px}@media (max-width: 400px){.learn-grid{grid-template-columns:1fr}.learn-section{padding:14px}}#review-bar{position:fixed;bottom:0;left:0;right:0;z-index:9999;display:flex;align-items:center;gap:8px;padding:8px 16px;background:#000000d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:2px solid #f59e0b;font-size:.85rem}#review-bar button{padding:6px 14px;border-radius:8px;border:1px solid rgba(255,255,255,.15);background:#ffffff14;color:#fff;font-size:.8rem;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap}#review-bar button:hover{background:#ffffff2e}#rv-flag{border-color:#ef4444!important;color:#fca5a5!important}#rv-flag.flagged{background:#ef4444!important;color:#fff!important}#rv-note{border-color:#6366f1!important;color:#a5b4fc!important}#rv-note.has-note{background:#6366f1!important;color:#fff!important}#rv-level-info{color:#fbbf24;font-weight:700;margin:0 auto}#rv-export{margin-left:auto;border-color:#22c55e!important;color:#86efac!important}#rv-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;background:#000c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px}.rv-modal-card{background:#1a1a2e;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;max-width:420px;width:100%}.rv-modal-card h3{font-size:1rem;margin-bottom:12px;color:#fff}.rv-modal-card textarea{width:100%;padding:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;font-size:.9rem;font-family:inherit;resize:vertical}.rv-modal-btns{display:flex;gap:8px;margin-top:12px}.rv-modal-btns button{padding:8px 18px;border-radius:10px;border:none;font-weight:700;cursor:pointer;font-size:.85rem}#rv-modal-save{background:#6366f1;color:#fff}#rv-modal-cancel{background:#ffffff14;color:#fff;border:1px solid rgba(255,255,255,.1)}