:root{--bg-color:#0d0d12;--card-bg:#ffffff08;--card-border:#ffffff14;--text-main:#fff;--text-muted:#8b8b9a;--accent:#0070ba}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.bg-orb{filter:blur(100px);z-index:-1;border-radius:50%;animation:20s ease-in-out infinite alternate floatOrb;position:absolute}.bg-orb-1{background:#7878a026;width:400px;height:400px;top:-100px;left:-100px}.bg-orb-2{background:#3c3c6426;width:500px;height:500px;animation-delay:-5s;bottom:-200px;right:-100px}@keyframes floatOrb{0%{transform:translate(0)scale(1)}50%{transform:translate(50px,50px)scale(1.1)}to{transform:translate(-30px,80px)scale(.9)}}h1,h2,h3,h4,h5,h6{font-family:Outfit,sans-serif}@keyframes slideUpFade{0%{opacity:0;filter:blur(10px);transform:translateY(40px)scale(.95)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}@keyframes staggerReveal{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes gradientText{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}@keyframes drawCheck{0%{stroke-dashoffset:100px;opacity:0;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}to{stroke-dashoffset:0;opacity:1;transform:scale(1)}}@keyframes pulseSuccess{0%{box-shadow:0 0 #4caf5066}70%{box-shadow:0 0 0 20px #4caf5000}to{box-shadow:0 0 #4caf5000}}.text-gradient{color:#0000;background:linear-gradient(135deg,#fff 0%,#a0a0b0 100%) 0 0/200%;-webkit-background-clip:text;background-clip:text;animation:4s infinite gradientText}.app-container{z-index:1;width:100%;max-width:480px;padding:2rem}.checkout-card{background:var(--card-bg);border:1px solid var(--card-border);-webkit-backdrop-filter:blur(20px);border-radius:24px;flex-direction:column;gap:2rem;padding:2.5rem;animation:1.2s cubic-bezier(.16,1,.3,1) forwards slideUpFade;display:flex;position:relative;overflow:hidden;box-shadow:0 30px 60px #0006,inset 0 1px #ffffff1a}.checkout-header{text-align:center;opacity:0;animation:.8s cubic-bezier(.16,1,.3,1) .2s forwards staggerReveal}.system-title{text-transform:uppercase;letter-spacing:2px;color:var(--text-muted);margin-bottom:.5rem;font-size:.85rem;font-weight:600;display:block}.product-title{margin-bottom:1rem;font-size:2.5rem;font-weight:800;line-height:1.1}.price-container{justify-content:center;align-items:baseline;gap:.25rem;display:flex}.price-amount{color:var(--text-main);font-family:Outfit,sans-serif;font-size:3rem;font-weight:700}.price-currency{color:var(--text-muted);font-size:1.2rem;font-weight:500}.divider{opacity:0;background:linear-gradient(90deg,#0000,#ffffff1a,#0000);width:100%;height:1px;animation:.8s cubic-bezier(.16,1,.3,1) .4s forwards staggerReveal}.payment-section{opacity:0;flex-direction:column;gap:1rem;min-height:160px;animation:.8s cubic-bezier(.16,1,.3,1) .6s forwards staggerReveal;display:flex}.success-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;padding:2rem 0;animation:1s cubic-bezier(.16,1,.3,1) forwards slideUpFade;display:flex}.success-icon-wrapper{color:#4caf50;background:#4caf501a;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;animation:2s cubic-bezier(.16,1,.3,1) infinite pulseSuccess;display:flex}.success-icon{stroke-dasharray:100;stroke-dashoffset:100px;opacity:0;animation:1s cubic-bezier(.16,1,.3,1) .3s forwards drawCheck}.success-title{color:var(--text-main);margin-bottom:.5rem;font-size:1.8rem;font-weight:700}.success-desc{color:var(--text-muted);font-size:1rem;line-height:1.5}.return-button{color:#fff;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;margin-top:1rem;padding:12px 24px;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.16,1,.3,1)}.return-button:hover{background:#ffffff1a;transform:translateY(-2px);box-shadow:0 10px 20px #0003}.overlay-loader{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;color:#fff;opacity:0;background:#0d0d12cc;border:1px solid #ffffff1a;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;animation:.3s forwards fadeIn;display:flex;position:absolute;inset:0}@keyframes fadeIn{to{opacity:1}}.spinner{border:3px solid #ffffff1a;border-top-color:#fff;border-radius:50%;width:40px;height:40px;margin-bottom:1rem;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}