.checkout-container{color:#fff;background:linear-gradient(135deg,#080818 0%,#0d0d25 100%);flex-direction:column;align-items:center;height:100vh;padding:3rem 2rem;font-family:Poppins,sans-serif;display:flex}.checkout-container h1{color:#4da3ff;text-shadow:0 0 15px #4da3ff80;letter-spacing:1px;margin-bottom:2rem;font-size:2.8rem}.checkout-main{justify-content:center;align-items:flex-start;gap:2rem;width:100%;max-width:1000px;display:flex}.cart-summary{background:#101020;border-radius:16px;flex:2;width:100%;max-width:700px;margin-bottom:2rem;padding:1.5rem;animation:.5s fadeInUp;box-shadow:0 6px 25px #0009}.cart-summary h2{color:#4da3ff;text-align:center;margin-bottom:1rem;font-size:1.6rem}.cart-item{border-bottom:1px solid #4da3ff33;justify-content:space-between;align-items:center;padding:.8rem 0;display:flex}.cart-item:last-child{border-bottom:none}.cart-item span{font-size:1rem;font-weight:500}.cart-controls{align-items:center;gap:.6rem;display:flex}.cart-controls button{color:#4da3ff;cursor:pointer;background:#1a1a2e;border:1px solid #4da3ff;border-radius:6px;width:28px;height:28px;font-size:1rem;transition:all .3s}.cart-controls button:hover{color:#fff;background:#4da3ff}.cart-total{text-align:right;color:#4da3ff;margin-top:1rem;font-size:1.2rem;font-weight:700}.checkout-summary{flex-direction:column;align-items:center;gap:1.2rem;display:flex}.checkout-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#4da3ff,#2b6db4);border:none;border-radius:10px;padding:1rem 2rem;font-size:1.1rem;font-weight:600;transition:transform .2s,box-shadow .3s;box-shadow:0 4px 15px #4da3ff66}.checkout-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4da3ff99}.back-button{color:#4da3ff;cursor:pointer;background:0 0;border:1px solid #4da3ff;border-radius:8px;margin-bottom:2rem;padding:.6rem 1.2rem;font-weight:500;transition:all .3s}.back-button:hover{color:#fff;background:#4da3ff}.payment-panel{background:#101020;border-radius:16px;flex-direction:column;flex:1;align-items:center;gap:1rem;padding:1.5rem;animation:.5s fadeInUp;display:flex;box-shadow:0 6px 25px #0009}.payment-panel h3{color:#4da3ff;margin-bottom:1rem;font-size:1.4rem}.buttons-container{flex-direction:column;gap:14px;width:100%;max-width:400px;display:flex}.loading-spinner{border:8px solid #f3f3f3;border-top-color:#4da3ff;border-radius:50%;width:70px;height:70px;margin:40px auto;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.notification-bar{color:#fff;text-align:center;z-index:1000;background:#d9534f;padding:12px;font-size:16px;font-weight:700;animation:.3s ease-in-out fadeIn;position:fixed;top:0;left:0;right:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}