.upsell-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);backdrop-filter:var(--glass-blur-cta,blur(8px));z-index:1000;display:flex;align-items:center;justify-content:center}.upsell-modal{background:var(--layer3-section-bg,rgba(15,15,35,.2));backdrop-filter:var(--glass-blur-standard,blur(24px) saturate(180%));-webkit-backdrop-filter:var(--glass-blur-standard,blur(24px) saturate(180%));border:1px solid hsla(0,0%,100%,.08);border-radius:24px;padding:2.5rem;max-width:700px;width:90%;animation:modalSlideUp .3s ease-out}@keyframes modalSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.upsell-header{text-align:center;margin-bottom:2rem}.upsell-header h2{color:#e2e8f0;font-size:1.5rem;margin:0 0 .5rem}.upsell-header p{color:#b0bec5;font-size:.95rem;margin:0;line-height:1.5}.upsell-header .item-title{color:#3b82f6;font-weight:600}.tier-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2rem}.tier-card{background:hsla(0,0%,100%,.05);border:2px solid hsla(0,0%,100%,.1);border-radius:16px;padding:1.5rem;text-align:center;cursor:pointer;transition:all .2s ease;position:relative}.tier-card:hover{border-color:rgba(59,130,246,.3);background:rgba(59,130,246,.05)}.tier-card.selected{border-color:#3b82f6;background:rgba(59,130,246,.1);box-shadow:0 0 20px rgba(59,130,246,.15)}.tier-card.popular:before{content:"POPULAR";position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;padding:2px 12px;border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.05em}.tier-name{color:#b0bec5;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.tier-price{color:#e2e8f0;font-size:1.5rem;font-weight:700;margin-bottom:.25rem}.tier-price span{color:#64748b;font-size:.85rem;font-weight:400}.tier-position{color:#3b82f6;font-size:.9rem;margin-bottom:.25rem}.tier-multiplier{color:#b0bec5;font-size:.8rem}.duration-section{margin-bottom:2rem}.duration-label{display:block;color:#b0bec5;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem;text-align:center}.duration-selector{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap}.duration-btn{padding:.5rem 1rem;border-radius:8px;background:hsla(0,0%,100%,.05);border:1px solid hsla(0,0%,100%,.1);color:#b0bec5;cursor:pointer;transition:all .2s;font-size:.85rem}.duration-btn:hover{border-color:rgba(59,130,246,.3);color:#cbd5e1}.duration-btn.active{background:rgba(59,130,246,.15);border-color:#3b82f6;color:#3b82f6}.upsell-total{text-align:center;margin-bottom:1.5rem;display:flex;align-items:baseline;justify-content:center;gap:.75rem}.upsell-total .total-label{color:#b0bec5;font-size:.9rem}.upsell-total .amount{color:#e2e8f0;font-size:2rem;font-weight:700}.upsell-error{background:hsla(0,91%,71%,.1);border:1px solid hsla(0,91%,71%,.3);border-radius:8px;padding:10px 14px;color:#f87171;font-size:.85rem;text-align:center;margin-bottom:1rem}.upsell-actions{display:flex;gap:1rem;justify-content:center}.btn-skip{padding:.75rem 1.5rem;border-radius:12px;background:transparent;border:1px solid hsla(0,0%,100%,.15);color:#b0bec5;cursor:pointer;font-size:.9rem;transition:all .2s}.btn-skip:hover{border-color:hsla(0,0%,100%,.3);color:#cbd5e1}.btn-boost{padding:.75rem 2rem;border-radius:12px;background:rgba(27,72,255,.15);border:1px solid rgba(27,72,255,.35);color:#fff;font-weight:600;font-size:1rem;cursor:pointer;transition:transform .2s,box-shadow .2s;backdrop-filter:blur(8px) saturate(140%)}.btn-boost:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(59,130,246,.4)}.btn-boost:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-skip:disabled{opacity:.5;cursor:not-allowed}.upsell-trust{text-align:center;color:#64748b;font-size:.75rem;margin-top:1.25rem}.upsell-spinner{display:inline-block;width:14px;height:14px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:upsellSpin .6s linear infinite;vertical-align:middle;margin-right:6px}@keyframes upsellSpin{to{transform:rotate(1turn)}}.upsell-success{text-align:center;padding:1rem 0}.upsell-success-icon{color:#3b82f6;margin-bottom:1rem}.upsell-success-icon svg{width:48px;height:48px}.upsell-success h2{color:#e2e8f0;font-size:1.5rem;margin:0 0 .75rem}.upsell-success p{color:#b0bec5;margin:0 0 .5rem;line-height:1.5}.upsell-success-sub{color:#64748b;font-size:.85rem}.upsell-success .btn-boost{margin-top:1.5rem}@media (max-width:768px){.upsell-modal{padding:1.5rem;width:95%}.tier-cards{grid-template-columns:1fr;gap:.75rem}.tier-card{padding:1rem;display:flex;align-items:center;gap:1rem;text-align:left}.tier-card.popular:before{top:-8px;right:12px;left:auto;transform:none}.duration-selector{flex-wrap:wrap}.upsell-actions{flex-direction:column}.upsell-total .amount{font-size:1.5rem}}