.lightbox-overlay{position:fixed;inset:0;background:rgba(4,6,13,0.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity 0.3s ease;}.lightbox-overlay.active{opacity:1;pointer-events:auto;}.lightbox-card{background:rgba(13,18,35,0.95);border:1px solid rgba(56,189,248,0.2);border-radius:20px;padding:2.5rem;max-width:700px;width:90%;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,0.6),0 0 35px rgba(56,189,248,0.1);transform:scale(0.9);transition:transform 0.3s cubic-bezier(0.34,1.56,0.64,1);}.lightbox-overlay.active .lightbox-card{transform:scale(1);}.lightbox-title{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:#fff;margin-bottom:0.75rem;}.lightbox-desc{color:var(--text-secondary);font-size:0.95rem;line-height:1.5;margin-bottom:2rem;}.lightbox-buttons{display:flex;gap:1rem;justify-content:center;margin-top:1.5rem;}.lightbox-btn{padding:0.75rem 1.75rem;border-radius:8px;font-weight:600;font-size:0.95rem;cursor:pointer;transition:all 0.2s ease;border:none;}.lightbox-btn-confirm{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 0 15px var(--primary-glow);}.lightbox-btn-confirm:hover{box-shadow:0 0 25px rgba(56,189,248,0.5);transform:translateY(-1px);}.lightbox-btn-cancel{background:transparent;border:1px solid var(--border);color:var(--text-secondary);}.lightbox-btn-cancel:hover{border-color:var(--text-secondary);color:#fff;}#sandbox-limit-toast{display:none;align-items:flex-start;gap:0.85rem;background:linear-gradient(135deg,rgba(239,68,68,0.07),rgba(245,158,11,0.04));border:1px solid rgba(239,68,68,0.25);border-left:3px solid var(--danger);border-radius:12px;padding:0.9rem 1.1rem;margin-bottom:1rem;font-size:0.82rem;line-height:1.55;animation:toast-in 0.25s cubic-bezier(0.16,1,0.3,1);}#sandbox-limit-toast.visible{display:flex;}@keyframes toast-in{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}@media (max-width:1024px){#sandbox-limit-toast.visible{position:fixed;left:1rem;right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px));max-width:460px;margin:0 auto;z-index:10001;background:linear-gradient(135deg,rgba(24,12,14,0.97),rgba(22,15,8,0.97));backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(239,68,68,0.32);border-left:3px solid var(--danger);box-shadow:0 12px 40px rgba(0,0,0,0.55),0 0 0 1px rgba(0,0,0,0.3);animation:toast-in-mobile 0.3s cubic-bezier(0.16,1,0.3,1);}}@keyframes toast-in-mobile{from{opacity:0;transform:translateY(20px) scale(0.98);}to{opacity:1;transform:translateY(0) scale(1);}}#sandbox-limit-toast.slt-nudge{animation:toast-nudge 0.35s cubic-bezier(0.36,0.07,0.19,0.97);}@keyframes toast-nudge{0%,100%{transform:translateY(0) scale(1);}30%{transform:translateY(-6px) scale(1.015);}60%{transform:translateY(1px) scale(1);}}.slt-icon{font-size:1.3rem;line-height:1;flex-shrink:0;margin-top:0.05rem;}.slt-body{flex:1;min-width:0;}.slt-title{font-weight:700;color:#fca5a5;margin-bottom:0.25rem;font-size:0.84rem;}.slt-msg{color:var(--text-secondary);}.slt-upgrade{display:inline-flex;align-items:center;gap:0.3rem;margin-top:0.55rem;padding:0.3rem 0.75rem;border-radius:6px;font-size:0.75rem;font-weight:700;letter-spacing:0.03em;background:linear-gradient(135deg,rgba(56,189,248,0.12),rgba(16,185,129,0.08));border:1px solid rgba(56,189,248,0.25);color:var(--primary);cursor:pointer;transition:all 0.2s ease;}.slt-upgrade:hover{background:linear-gradient(135deg,rgba(56,189,248,0.2),rgba(16,185,129,0.12));border-color:rgba(56,189,248,0.45);}.slt-close{flex-shrink:0;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1rem;line-height:1;padding:0;transition:color 0.15s;margin-top:0.05rem;}.slt-close:hover{color:var(--text-secondary);}.lightbox-progress-container{display:none;flex-direction:column;align-items:center;margin-top:1.5rem;gap:0.75rem;}.lightbox-progress-track{width:100%;height:6px;background:rgba(255,255,255,0.05);border-radius:99px;overflow:hidden;position:relative;}.lightbox-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),var(--purple));border-radius:99px;transition:width 0.3s ease;}.lightbox-progress-status{font-family:var(--font-mono);font-size:0.8rem;color:var(--primary);}