:root{--brand-600:#ff7a00;--brand-700:#e56e00;--dark-header:#0f172a;--body-bg:#f7f7fb;--text-dark:#0b0b0f;--text-light:#e5e7eb;--text-muted:#6c757d;--success:#16a34a;--warning:#f59e0b;--error:#dc2626;--white:#fff;--border-color:#dee2e6;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000001a}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f7f7fb;background-color:var(--body-bg);color:#0b0b0f;color:var(--text-dark);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;margin:0}.call-toast{background:#fff;background:var(--white);box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000001a;box-shadow:var(--shadow-lg);display:flex;gap:16px;gap:var(--space-4);padding:16px;padding:var(--space-4)}.btn,.call-toast{align-items:center;border-radius:8px;border-radius:var(--radius-sm)}.btn{border:1px solid #0000;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:500;justify-content:center;min-height:44px;min-width:44px;padding:12px 20px;padding:var(--space-3) var(--space-5);text-decoration:none;transition:all .2s ease-in-out}.btn-primary{background-color:#ff7a00;background-color:var(--brand-600);color:#fff;color:var(--white)}.btn-primary:hover{background-color:#e56e00;background-color:var(--brand-700)}.btn-secondary{background-color:initial;border-color:#ff7a00;border-color:var(--brand-600);color:#ff7a00;color:var(--brand-600)}.btn-secondary:hover{background-color:#ff7a00;background-color:var(--brand-600);color:#fff;color:var(--white)}.btn:focus-visible{outline:2px solid #ff7a00;outline:2px solid 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#f0f0f0;padding:1rem}.dropdown-header-guest{align-items:center;display:flex;justify-content:space-between}.dropdown-header-guest p{font-weight:500;margin:0}.dropdown-header-guest .signup-link{color:#007bff;font-weight:700;text-decoration:none}.dropdown-item{align-items:center;color:#333;display:flex;padding:.8rem 1rem;text-decoration:none;transition:background-color .2s}.dropdown-item:hover{background-color:#f8f9fa}.dropdown-item svg{color:#007bff;font-size:1.2rem;margin-right:1rem}.messages-link{align-items:center;display:flex;justify-content:space-between;width:100%}.notification-badge{align-items:center;background-color:#dc3545;border-radius:50%;color:#fff;display:flex;font-size:.75rem;font-weight:700;height:20px;justify-content:center;width:20px}.header-search-form{display:flex;flex-grow:1;max-width:800px}.search-college-select{display:none}.search-category-select{background-color:#f3f3f3;border:none;border-radius:var(--radius-sm) 0 0 var(--radius-sm);border-right:1px solid var(--border-color);cursor:pointer;padding:0 var(--space-2)}.search-input{border:none;font-size:1rem;padding:var(--space-3) var(--space-4);width:100%}.search-input:focus{outline:none}.search-button{align-items:center;background-color:var(--brand-600);border:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--dark-header);cursor:pointer;display:flex;font-size:1.3rem;justify-content:center;padding:0 var(--space-4)}.search-button:hover{background-color:var(--brand-700)}.navbar{align-items:center;background-color:var(--dark-header);color:var(--text-light);display:flex;gap:var(--space-6);padding:var(--space-3) var(--space-8);position:sticky;top:0;z-index:1000}.navbar-brand{color:var(--white);flex-shrink:0;font-size:1.8rem;font-weight:700;letter-spacing:1px;text-decoration:none;text-transform:uppercase}.navbar-brand:hover{color:var(--brand-600)}.navbar-actions{align-items:center;display:flex;flex-shrink:0;gap:var(--space-4)}.sell-button-header{white-space:nowrap}.navbar-profile-container{position:relative}.login-button-header,.profile-button{align-items:center;background:none;border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;display:flex;font-size:1rem;font-weight:500;gap:var(--space-2);padding:var(--space-2) var(--space-3);transition:background-color .2s;white-space:nowrap}.login-button-header:hover,.profile-button:hover{background-color:#ffffff1a}@media (max-width:992px){.navbar{flex-wrap:wrap;gap:var(--space-4);justify-content:space-between;padding:var(--space-3) var(--space-4)}.header-search-form{margin-top:var(--space-2);order:3;width:100%}.navbar-brand{order:1}.navbar-actions{order:2}}@media (max-width:768px){.sell-button-header{display:none}}:root{--footer-bg:#232f3e;--footer-text:#ccc;--footer-text-light:#999;--footer-heading:#fff;--footer-link-hover:#f90;--footer-border:#3a4553;--font-body:"Segoe UI",Arial,sans-serif}.site-footer{background-color:#232f3e;background-color:var(--footer-bg);color:#ccc;color:var(--footer-text);font-family:Segoe UI,Arial,sans-serif;font-family:var(--font-body);font-size:14px;padding:40px 20px}.footer-container{margin:0 auto;max-width:1200px}.footer-bottom,.footer-top{border-bottom:1px solid #3a4553;border-bottom:1px solid var(--footer-border);margin-bottom:24px;padding-bottom:24px}.footer-bottom{border-bottom:none;border-top:1px solid #3a4553;border-top:1px solid var(--footer-border);margin-bottom:0;margin-top:24px;padding-bottom:0;padding-top:24px}.footer-column 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button{align-items:center;background:#f90;background:var(--footer-link-hover);border:none;border-radius:0 4px 4px 0;color:#111;cursor:pointer;display:flex;font-size:20px;justify-content:center;padding:0 15px;transition:background-color .3s ease}.newsletter-form button:hover{background-color:#ffb84d}.footer-social-icons{display:flex;font-size:22px;gap:20px}.footer-social-icons a{color:#ccc;color:var(--footer-text);transition:transform .3s ease,color .3s ease}.footer-social-icons a:hover{color:#f90;color:var(--footer-link-hover);transform:translateY(-3px)}.app-store-links{display:flex;gap:10px;margin-top:15px}.app-store-links img{height:40px}.payment-icons{display:flex;flex-wrap:wrap;font-size:32px;gap:10px;margin-top:20px}.footer-bottom-left p,.payment-icons{color:#999;color:var(--footer-text-light)}.footer-bottom-left p{font-size:13px;margin:0}@media (min-width:768px){.footer-column ul{max-height:none;overflow:visible}.footer-column .footer-column-title{cursor:default}.accordion-icon{display:none}.footer-top{align-items:flex-start;display:flex;gap:40px;justify-content:space-between}.footer-column-newsletter{flex:1.5 1}.footer-column-social{flex:1 1}.footer-main{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.footer-bottom{align-items:center;display:flex;justify-content:space-between}.payment-icons{justify-content:flex-end;margin-top:0}.app-store-links{margin-left:20px;margin-top:0}.footer-bottom-left{align-items:center;display:flex}}.spinner-overlay{align-items:center;display:flex;justify-content:center;padding:4rem}.spinner{animation:spin 1s linear infinite;border:5px solid #f3f3f3;border-radius:50%;border-top-color:#007bff;height:50px;width:50px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.product-card{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 4px 6px 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.edit-button{width:100%}.assured-badge{align-items:center;background-color:#26a541;border-radius:4px;color:#fff;display:flex;font-size:.75rem;font-weight:700;padding:4px 8px;position:absolute;right:10px;right:12px;top:10px;top:12px;z-index:10}.product-card.assured{border:2px solid #26a541}.product-card{position:relative}.carousel .control-arrow,.carousel.carousel-slider .control-arrow{background:none;border:0;cursor:pointer;filter:alpha(opacity=40);font-size:32px;opacity:.4;position:absolute;top:20px;transition:all .25s ease-in;z-index:2}.carousel .control-arrow:focus,.carousel .control-arrow:hover{filter:alpha(opacity=100);opacity:1}.carousel .control-arrow:before,.carousel.carousel-slider .control-arrow:before{border-bottom:8px solid #0000;border-top:8px solid #0000;content:"";display:inline-block;margin:0 5px}.carousel .control-disabled.control-arrow{cursor:inherit;display:none;filter:alpha(opacity=0);opacity:0}.carousel .control-prev.control-arrow{left:0}.carousel 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img{border:0;vertical-align:top;width:100%}.carousel .slide iframe{border:0;display:inline-block;margin:0 40px 40px;width:calc(100% - 80px)}.carousel .slide .legend{background:#000;border-radius:10px;bottom:40px;color:#fff;font-size:12px;left:50%;margin-left:-45%;opacity:.25;padding:10px;position:absolute;text-align:center;transition:all .5s ease-in-out;transition:opacity .35s ease-in-out;width:90%}.carousel .control-dots{bottom:0;margin:10px 0;padding:0;position:absolute;text-align:center;width:100%;z-index:1}@media (min-width:960px){.carousel .control-dots{bottom:0}}.carousel .control-dots .dot{background:#fff;border-radius:50%;box-shadow:1px 1px 2px #000000e6;cursor:pointer;display:inline-block;filter:alpha(opacity=30);height:8px;margin:0 8px;opacity:.3;transition:opacity .25s ease-in;width:8px}.carousel .control-dots .dot.selected,.carousel .control-dots .dot:hover{filter:alpha(opacity=100);opacity:1}.carousel .carousel-status{color:#fff;font-size:10px;padding:5px;position:absolute;right:0;text-shadow:1px 1px 1px #000000e6;top:0}.carousel:hover .slide .legend{opacity:1}.category-showcase{margin-bottom:1rem;padding:2rem 0}.category-showcase h2{color:#333;font-size:2rem;margin-bottom:2rem;text-align:center}.category-item{color:inherit;flex-direction:column;padding:1rem .5rem;text-decoration:none}.category-icon-wrapper,.category-item{align-items:center;display:flex;justify-content:center}.category-icon-wrapper{border-radius:50%;box-shadow:0 4px 15px #0000001a;height:80px;margin-bottom:1rem;transition:transform .3s,box-shadow .3s;width:80px}.category-item:hover .category-icon-wrapper{box-shadow:0 8px 25px #0003;transform:scale(1.1)}.category-icon-wrapper .icon{color:#fff;font-size:2.5rem}.category-item h3{font-size:1rem;font-weight:500;margin:0;text-align:center}.category-carousel .carousel .slide{background:none;text-align:center}.category-carousel .carousel.carousel-slider .control-arrow{background:#00000080;opacity:1}.category-carousel .carousel.carousel-slider .control-arrow:hover{background:#000c}.promo-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);margin:var(--space-8) 0;overflow:hidden;position:relative}.promo-image{display:block;height:auto;max-height:300px;object-fit:cover;width:100%}.promo-overlay{background:linear-gradient(90deg,#0009,#0003);bottom:0;left:0;position:absolute;right:0;top:0}.promo-content{color:var(--white);left:5%;padding-right:1rem;position:absolute;top:50%;transform:translateY(-50%)}.promo-content h2{font-size:2rem;margin:0 0 var(--space-4) 0}.promo-content p{font-size:1.1rem;margin:0 0 var(--space-6) 0}@media (max-width:768px){.promo-content h2{font-size:1.5rem}.promo-content p{font-size:1rem;margin-bottom:var(--space-4)}}.carousel-container{border-radius:8px;box-shadow:0 8px 20px #0000001a;margin-bottom:2.5rem;max-height:350px;overflow:hidden}.carousel-container .carousel .slide img{height:350px;object-fit:cover;width:100%}.homepage-title{color:#343a40;font-size:2rem;margin-bottom:2rem;text-align:center}.product-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.no-products-message{color:#666;font-size:1.2rem;margin-top:3rem;text-align:center}@media (max-width:992px){.navbar{flex-direction:column;gap:1rem}.header-search-form{max-width:none;width:100%}}.auth-container{align-items:center;display:flex;justify-content:center;min-height:calc(100vh - 200px);padding:2rem 1rem}.auth-form-wrapper{background-color:#fff;border-radius:8px;box-shadow:0 4px 15px #0000001a;max-width:450px;padding:2.5rem;width:100%}.form-group input{border:1px solid #ccc;border-radius:4px;box-sizing:border-box;font-size:1rem;padding:.75rem;width:100%}.form-group input:focus{border-color:#007bff;box-shadow:0 0 0 2px #007bff40;outline:none}.submit-button{background-color:#007bff}.submit-button:hover{background-color:#0056b3}.auth-switch-text{color:#555;margin-top:1.5rem;text-align:center}.auth-switch-text a{color:#007bff;font-weight:700;text-decoration:none}.auth-switch-text a:hover{text-decoration:underline}.forgot-password-link{font-size:.9rem;margin-bottom:1rem;text-align:right}.forgot-password-link a{color:#007bff;text-decoration:none}.password-input-wrapper{position:relative}.password-input-wrapper .password-input{box-sizing:border-box;padding-right:3rem;width:100%}.password-toggle-icon{color:#6c757d;cursor:pointer;font-size:1.2rem;position:absolute;right:1rem;top:50%;transform:translateY(-50%)}.product-detail-container{grid-gap:2rem;background-color:#fff;border-radius:8px;box-shadow:0 4px 15px #00000014;display:grid;gap:2rem;grid-template-columns:1fr;margin:2rem auto;max-width:1100px;padding:1rem}@media (min-width:768px){.product-detail-container{grid-template-columns:1fr 1fr;padding:2rem}}.product-detail-image-wrapper{width:100%}.product-detail-image{border:1px solid #eee;border-radius:8px;height:auto;width:100%}.product-detail-info-wrapper{display:flex;flex-direction:column}.product-detail-title{font-size:2rem;margin:0 0 .5rem}.product-detail-price{color:#007bff;font-size:1.75rem;font-weight:700;margin-bottom:1.5rem}.product-detail-section{margin-bottom:1.5rem}.product-detail-section h3{border-bottom:2px solid #eee;margin-bottom:1rem;padding-bottom:.5rem}.contact-seller-button{background-color:#28a745;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:700;margin-top:auto;padding:1rem;transition:background-color .2s;width:100%}.contact-seller-button:hover{background-color:#218838}.product-not-found{padding:4rem;text-align:center}.product-detail-title{margin:0}.assured-badge-detail{align-items:center;background-color:#26a541;border-radius:5px;color:#fff;display:flex;font-size:.9rem;font-weight:700;padding:5px 10px}.share-button{align-items:center;background:none;border:1px solid #ddd;border-radius:50%;color:#555;cursor:pointer;display:flex;height:40px;justify-content:center;margin-left:auto;transition:all .2s ease-in-out;width:40px}.share-button:hover{background-color:#f0f0f0;border-color:#ccc;color:#007bff}.product-title-wrapper{align-items:center;display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:.5rem;width:100%}.profile-page{margin:2rem auto;max-width:1100px;padding:0 1rem}.profile-details-card{background-color:#fff;border-radius:8px;box-shadow:0 4px 15px #0000001a;margin-bottom:3rem;padding:2rem}.profile-details-card h2{margin-bottom:2rem;margin-top:0}.profile-listings h2{margin-bottom:2rem;text-align:center}.my-listings-page{margin:2rem auto;max-width:1200px;padding:1rem}.my-listings-page h1{color:#333;font-size:2.5rem;margin-bottom:2.5rem;text-align:center}.no-listings{background-color:#fafafa;border:2px dashed #e0e0e0;border-radius:12px;margin-top:2rem;padding:3rem 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