:root{--main-header:#5345da;--indigo-accent:rgba(99,102,241,.8);--indigo-border:rgba(99,102,241,.3);--dark-bg:rgba(30,41,59,.7);--darker-bg:#0f172a;--light-text:#f8f9fa;--hover-color:#3816b0}body{background-color:var(--darker-bg);background-image:linear-gradient(135deg,#0f172a,#1e293b);color:var(--light-text);min-height:100vh}.mt-7{margin-top:11rem}.glass-card{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(30,41,59,.7);border:1px solid rgba(99,102,241,.3);border-radius:.5rem;box-shadow:0 8px 32px rgba(0,0,0,.2);overflow:hidden}.section-header{background-color:var(--main-header);border-bottom:1px solid var(--indigo-border);border-radius:.5rem .5rem 0 0;color:#fff;font-weight:600;padding:.75rem 1.25rem}.section-content{padding:1.5rem}.cart-item{border-bottom:1px solid rgba(99,102,241,.2);margin-bottom:1rem;padding-bottom:1rem}.cart-item:last-child{border-bottom:none;margin-bottom:0}.item-image{border-radius:.5rem;box-shadow:0 4px 12px rgba(0,0,0,.15);height:100px;object-fit:cover;width:100px}.teacher-name{color:#a5b4fc;font-size:.85rem}.original-price{color:#94a3b8;font-size:.9rem;text-decoration:line-through}.discount-price{color:var(--main-header);font-size:1.25rem;font-weight:700}.delete-btn{align-items:center;background-color:var(--main-header);border:none;border-radius:50%;box-shadow:0 4px 6px rgba(0,0,0,.1);color:#fff;display:flex;justify-content:center;padding:.8rem;transition:all .2s}.delete-btn:hover{background-color:var(--hover-color);box-shadow:0 6px 8px rgba(0,0,0,.15);transform:translateY(-2px)}.summary-row{display:flex;justify-content:space-between;margin-bottom:.75rem}.summary-label{color:var(--bs-light)}.summary-value{color:var(--bs-white);font-weight:600}.summary-divider{border-top:1px solid rgba(99,102,241,.2);margin:1rem 0}.final-amount{color:#6b61f3;font-size:1.3rem;font-weight:700}.pay-btn{background-color:var(--main-header);border:none;border-radius:.25rem;box-shadow:0 4px 6px rgba(0,0,0,.1);font-weight:600;padding:.75rem;transition:all .2s;width:100%}.pay-btn:hover{background-color:var(--hover-color);box-shadow:0 6px 8px rgba(0,0,0,.15);transform:translateY(-2px)}.discount-header{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(30,41,59,.7);border:1px solid rgba(99,102,241,.3);border-radius:.25rem;color:var(--light-text);cursor:pointer;padding:.75rem;transition:all .3s ease}.discount-header:hover{border-color:rgba(99,102,241,.5);box-shadow:0 4px 12px rgba(0,0,0,.15)}.discount-form{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(30,41,59,.7);border:1px solid rgba(99,102,241,.3);border-radius:0 0 .25rem .25rem;border-top:none;padding:1rem}.discount-btn{background-color:var(--main-header);border:none}.discount-btn:hover{background-color:var(--hover-color)}.form-control{background:rgba(15,23,42,.6)}.form-control,.form-control[disabled]{border:1px solid rgba(99,102,241,.2);color:#fff;transition:all .3s ease}.form-control:focus,.form-control[disabled]{background:rgba(15,23,42,.8)}.form-control:focus{border-color:rgba(99,102,241,.5);box-shadow:none;color:#fff}.btn.btn-light-danger{background-color:#ffe2e5;border-color:transparent;box-shadow:none;color:#f64e60;transition:.4s}.btn.btn-light-danger:hover{background-color:#fa6a79;border-color:transparent;box-shadow:none;color:#fff}.loading-overlay{align-items:center;backdrop-filter:blur(3px);background:rgba(15,23,42,.5);border-radius:1rem;display:flex;height:100%;justify-content:center;left:0;opacity:0;position:fixed;top:0;transition:opacity .3s ease,visibility .3s ease;visibility:hidden;width:100%;z-index:300}.loading-overlay.active{opacity:1;visibility:visible}.spinner{animation:spin 1.2s linear infinite;border-color:#6366f1 transparent;border-radius:50%;border-style:solid;border-width:3px;height:60px;width:60px}.spinner:after,.spinner:before{border:3px solid transparent;border-radius:50%;content:"";position:absolute}.spinner:before{animation:spin 1.8s linear infinite reverse;border-bottom-color:#818cf8;border-top-color:#818cf8;bottom:5px;left:5px;right:5px;top:5px}.spinner:after{animation:spin 1s linear infinite;border-bottom-color:#a5b4fc;border-top-color:#a5b4fc;bottom:15px;left:15px;right:15px;top:15px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.empty-cart-icon{background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.2);border-radius:50%;box-shadow:0 10px 20px rgba(0,0,0,.1);color:rgba(99,102,241,.8);font-size:6rem;height:150px;line-height:150px;margin-bottom:1.5rem;text-align:center;width:150px}.empty-cart-icon,.empty-wrapper{align-items:center;display:flex;justify-content:center}.empty-wrapper{flex-direction:column;height:30rem;padding-top:1rem}.btn-login-form.cart{border-radius:1.5rem}