.landing-page{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--background) 0%,var(--primary) 100%);position:relative;overflow:hidden}.landing-header{position:sticky;top:0;z-index:100;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);animation:slideDown .5s ease-out}.landing-header-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.landing-logo{font-size:1.5rem;font-weight:700;color:var(--text);margin:0;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing-header-actions{display:flex;align-items:center;gap:1rem}.landing-theme-toggle{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);padding:.5rem;border-radius:8px;font-size:1.25rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.landing-theme-toggle:hover{background:#fff3;transform:rotate(15deg) scale(1.1)}.landing-language-selector{position:relative}.landing-lang-button{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);padding:.5rem 1rem;border-radius:8px;font-weight:600;color:var(--text);min-width:60px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.landing-lang-button:hover{background:#fff3}.landing-lang-menu{position:absolute;top:calc(100% + .5rem);right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px var(--shadow);min-width:150px;overflow:hidden;z-index:10;animation:fadeInDown .3s ease-out}.landing-lang-option{width:100%;padding:.75rem 1rem;text-align:left;background:transparent;color:var(--text);border:none;border-bottom:1px solid var(--border);transition:all .2s ease}.landing-lang-option:last-child{border-bottom:none}.landing-lang-option:hover{background:var(--background)}.landing-lang-option.active{background:var(--primary);color:#fff}.landing-page:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 30s linear infinite}.landing-content{max-width:1200px;width:100%;margin:0 auto;padding:2rem;position:relative;z-index:1;flex:1;display:flex;flex-direction:column;justify-content:center;animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.landing-hero{text-align:center;margin-bottom:4rem;color:var(--text);animation:fadeInUp 1s ease-out .2s both}.landing-title{font-size:3.5rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;animation:slideInLeft .8s ease-out .4s both}.landing-subtitle{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--text);opacity:.9;animation:slideInRight .8s ease-out .5s both}.landing-description{font-size:1.125rem;color:var(--text-light);margin-bottom:2.5rem;max-width:600px;margin-left:auto;margin-right:auto;line-height:1.6;animation:fadeIn .8s ease-out .6s both}.landing-button{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;font-size:1.25rem;font-weight:600;padding:1rem 3rem;border-radius:50px;box-shadow:0 10px 30px #2563eb4d;transition:all .3s ease;position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:.5rem;animation:bounceIn .8s ease-out .7s both}.button-arrow{transition:transform .3s ease;display:inline-block}.landing-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.landing-button:hover:before{width:300px;height:300px}.landing-button:hover{transform:translateY(-2px);box-shadow:0 15px 40px #2563eb66}.landing-button:hover .button-arrow{transform:translate(5px)}.landing-button:active{transform:translateY(0)}.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:4rem;animation:fadeInUp 1s ease-out .8s both}.feature-card{background:var(--surface);padding:2rem;border-radius:16px;text-align:center;box-shadow:0 4px 20px var(--shadow);transition:all .4s cubic-bezier(.175,.885,.32,1.275);border:1px solid var(--border);opacity:0;animation:fadeInUp .6s ease-out forwards;position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.feature-card:hover:before{left:100%}.feature-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 12px 40px var(--shadow)}.feature-icon{font-size:3rem;margin-bottom:1rem;display:block;transition:transform .4s ease;animation:float 3s ease-in-out infinite}.feature-card:hover .feature-icon{transform:scale(1.2) rotate(5deg)}.feature-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--text)}.feature-card p{color:var(--text-light);line-height:1.6;margin:0}@keyframes slideInLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(50px)}to{opacity:1;transform:translate(0)}}@keyframes bounceIn{0%{opacity:0;transform:scale(.3)}50%{opacity:1;transform:scale(1.05)}70%{transform:scale(.9)}to{transform:scale(1)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.landing-header-content{padding:1rem}.landing-content{padding:1.5rem}.landing-title{font-size:2.5rem}.landing-subtitle{font-size:1.25rem}.landing-description{font-size:1rem}.landing-button{font-size:1.125rem;padding:.875rem 2rem}.landing-features{grid-template-columns:1fr;gap:1.5rem;margin-top:3rem}.feature-card{padding:1.5rem}}.header{background:var(--surface);box-shadow:0 2px 8px var(--shadow);position:sticky;top:0;z-index:100;transition:background-color .3s ease,box-shadow .3s ease;animation:slideDown .4s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.header-container{max-width:1200px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.header-left{display:flex;align-items:center;gap:1rem}.back-button{background:var(--background);border:1px solid var(--border);padding:.5rem 1rem;border-radius:8px;font-weight:600;color:var(--text);transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.back-button:hover{background:var(--border);transform:translate(-3px)}.header-title-button{background:transparent;border:none;padding:0;cursor:pointer;transition:all .3s ease}.header-title-button:hover{transform:scale(1.05)}.header-title-button:hover .header-title{opacity:.8}.header-title{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0;transition:all .3s ease;cursor:pointer}.header-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{background:var(--background);border:1px solid var(--border);padding:.5rem;border-radius:8px;font-size:1.25rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.theme-toggle:hover{background:var(--border);transform:rotate(15deg) scale(1.1)}.language-selector{position:relative}.lang-button{background:var(--background);border:1px solid var(--border);padding:.5rem 1rem;border-radius:8px;font-weight:600;color:var(--text);min-width:60px}.lang-button:hover{background:var(--border)}.lang-menu{position:absolute;top:calc(100% + .5rem);right:0;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px var(--shadow);min-width:150px;overflow:hidden;z-index:10}.lang-option{width:100%;padding:.75rem 1rem;text-align:left;background:transparent;color:var(--text);border:none;border-bottom:1px solid var(--border)}.lang-option:last-child{border-bottom:none}.lang-option:hover{background:var(--background)}.lang-option.active{background:var(--primary);color:#fff}.cart-button{background:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;display:flex;align-items:center;gap:.5rem;position:relative}.cart-button:hover{background:var(--primary-dark)}.cart-icon{font-size:1.25rem}.cart-badge{background:var(--danger);color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;position:absolute;top:-8px;right:-8px}@media (max-width: 768px){.header-container{padding:1rem}.header-title{font-size:1.25rem}.cart-text{display:none}.cart-button{padding:.75rem}}.welcome-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:2rem 1.5rem;text-align:center;margin-bottom:2rem;animation:fadeInDown .6s ease-out;position:relative;overflow:hidden}.welcome-banner:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 20s linear infinite}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.banner-content{max-width:1200px;margin:0 auto;position:relative;z-index:1}.banner-title{font-size:2rem;font-weight:700;margin-bottom:.5rem}.banner-subtitle{font-size:1.125rem;opacity:.9;margin:0}@media (max-width: 768px){.welcome-banner{padding:1.5rem 1rem;margin-bottom:1.5rem}.banner-title{font-size:1.5rem}.banner-subtitle{font-size:1rem}}.product-card{background:var(--surface);border-radius:12px;overflow:hidden;box-shadow:0 2px 8px var(--shadow);transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s ease,background-color .3s ease;display:flex;flex-direction:column;cursor:pointer;animation:fadeInUp .5s ease-out;min-height:200px;border:1px solid var(--border)}.product-image-container{width:100%;height:200px;overflow:hidden;background:var(--background);display:flex;align-items:center;justify-content:center;position:relative}.product-image{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.product-card:hover .product-image{transform:scale(1.1)}.product-image-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--background);color:var(--text-light);gap:.5rem}.placeholder-icon{font-size:3rem;opacity:.5}.placeholder-text{font-size:.875rem;text-align:center;padding:0 1rem;opacity:.7}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.product-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 8px 24px var(--shadow)}.product-info{padding:1.5rem;display:flex;flex-direction:column;gap:.75rem;flex:1;justify-content:space-between}.product-name{font-size:1.125rem;font-weight:600;color:var(--text);margin:0}.product-price{font-size:1.5rem;font-weight:700;color:var(--primary);margin:0}.add-to-cart-button{background:var(--primary);color:#fff;padding:.75rem 1rem;border-radius:8px;font-weight:600;margin-top:auto;position:relative;overflow:hidden;transition:all .3s ease}.add-to-cart-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.add-to-cart-button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb66}.add-to-cart-button:hover:before{width:300px;height:300px}.add-to-cart-button:active{transform:scale(.95) translateY(0)}@media (max-width: 768px){.product-info{padding:1rem}}.category-filter{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1.5rem}.category-button{background:var(--surface);border:2px solid var(--border);padding:.75rem 1.5rem;border-radius:8px;font-weight:600;color:var(--text);transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.9375rem;position:relative;overflow:hidden}.category-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.category-button:hover:before{left:100%}.category-button:hover{background:var(--background);border-color:var(--primary);transform:translateY(-3px);box-shadow:0 4px 12px var(--shadow)}.category-button.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px #2563eb4d}.category-button:active{transform:scale(.95)}@media (max-width: 768px){.category-filter{gap:.5rem;margin-bottom:1rem}.category-button{padding:.625rem 1.25rem;font-size:.875rem}}.products-container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.products-header{margin-bottom:2rem;display:flex;flex-direction:column;gap:1rem}.products-title{font-size:2rem;font-weight:700;color:var(--text)}.search-input{width:100%;max-width:400px;padding:.75rem 1rem;border:2px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s ease}.search-input:focus{outline:none;border-color:var(--primary)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;animation:fadeIn .5s ease-out}.loading-message,.error-message,.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-light);font-size:1.125rem}.error-message{color:var(--danger)}.more-products-banner{margin-top:4rem;padding:3rem 2rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:16px;text-align:center;color:#fff;animation:fadeInUp .8s ease-out;position:relative;overflow:hidden}.more-products-banner:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 20s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.more-products-content{position:relative;z-index:1}.more-products-icon{font-size:3rem;margin-bottom:1rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.more-products-title{font-size:1.75rem;font-weight:700;margin-bottom:.5rem;color:#fff}.more-products-text{font-size:1.125rem;opacity:.9;margin:0;color:#fff}@media (max-width: 768px){.products-container{padding:1.5rem 1rem}.products-title{font-size:1.5rem}.products-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.products-header{margin-bottom:1.5rem}.more-products-banner{padding:2rem 1.5rem;margin-top:3rem}.more-products-title{font-size:1.5rem}.more-products-text{font-size:1rem}}.checkout-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;z-index:1000;animation:fadeIn .3s ease}.checkout-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--surface);border-radius:16px;box-shadow:0 20px 60px #0000004d;z-index:1001;max-width:500px;width:90%;animation:slideUp .4s cubic-bezier(.4,0,.2,1);transition:background-color .3s ease}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,-40%)}to{opacity:1;transform:translate(-50%,-50%)}}.checkout-content{padding:2.5rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.checkout-icon{font-size:4rem;animation:scaleIn .5s cubic-bezier(.4,0,.2,1)}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.checkout-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0}.checkout-message{font-size:1rem;color:var(--text-light);line-height:1.6;margin:0}.checkout-close-button{background:var(--primary);color:#fff;padding:.875rem 2rem;border-radius:8px;font-weight:600;font-size:1rem;margin-top:.5rem;transition:all .3s ease}.checkout-close-button:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb66}.checkout-close-button:active{transform:scale(.98)}@media (max-width: 768px){.checkout-modal{max-width:90%}.checkout-content{padding:2rem 1.5rem}.checkout-title{font-size:1.5rem}.checkout-icon{font-size:3rem}}.cart-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:998;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.cart-sidebar{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:420px;background:var(--surface);box-shadow:-4px 0 16px var(--shadow);z-index:999;display:flex;flex-direction:column;animation:slideIn .4s cubic-bezier(.4,0,.2,1);overflow:hidden;transition:background-color .3s ease}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.cart-header{padding:1.5rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:var(--primary);color:#fff}.cart-title{font-size:1.5rem;font-weight:700;margin:0}.cart-close{background:transparent;color:#fff;font-size:2rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;padding:0;line-height:1}.cart-close:hover{background:#fff3}.cart-content{flex:1;overflow-y:auto;padding:1rem}.cart-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1rem;text-align:center;height:100%}.cart-empty-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.cart-empty-title{font-size:1.5rem;font-weight:600;color:var(--text);margin-bottom:.5rem}.cart-empty-message{color:var(--text-light);font-size:1rem}.cart-items{display:flex;flex-direction:column;gap:1rem}.cart-item{display:flex;gap:1rem;padding:1rem;background:var(--background);border-radius:8px;border:1px solid var(--border);transition:all .3s ease;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.cart-item:hover{transform:translate(4px);box-shadow:0 4px 12px var(--shadow)}.cart-item-image{width:80px;height:80px;object-fit:cover;border-radius:8px;flex-shrink:0}.cart-item-info{flex:1;display:flex;flex-direction:column;gap:.5rem}.cart-item-name{font-size:1rem;font-weight:600;color:var(--text);margin:0}.cart-item-price{font-size:.875rem;color:var(--text-light);margin:0}.cart-item-actions{display:flex;align-items:center;gap:1rem;margin-top:.5rem}.quantity-controls{display:flex;align-items:center;gap:.5rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:.25rem}.quantity-button{background:transparent;color:var(--text);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;font-size:1.25rem;font-weight:600;padding:0;transition:all .2s ease}.quantity-button:hover:not(:disabled){background:var(--background)}.quantity-button:disabled{opacity:.4;cursor:not-allowed}.quantity-value{min-width:32px;text-align:center;font-weight:600;color:var(--text)}.remove-button{background:transparent;color:var(--danger);padding:.5rem 1rem;border-radius:6px;font-size:.875rem;font-weight:600;border:1px solid var(--danger)}.remove-button:hover{background:var(--danger);color:#fff}.cart-item-subtotal{font-size:.875rem;font-weight:600;color:var(--primary);margin:0;margin-top:.25rem}.cart-footer{padding:1.5rem;border-top:2px solid var(--border);background:var(--surface);display:flex;flex-direction:column;gap:1rem}.cart-total{display:flex;justify-content:space-between;align-items:center;font-size:1.5rem;font-weight:700}.cart-total-label{color:var(--text)}.cart-total-value{color:var(--primary)}.checkout-button{background:var(--success);color:#fff;padding:1rem;border-radius:8px;font-weight:700;font-size:1.125rem;width:100%;transition:all .3s ease;position:relative;overflow:hidden}.checkout-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.checkout-button:hover{background:#0ea472;transform:translateY(-2px);box-shadow:0 4px 12px #10b98166}.checkout-button:hover:before{width:300px;height:300px}.checkout-button:active{transform:scale(.98)}@media (max-width: 768px){.cart-sidebar{max-width:100%}.cart-item{padding:.75rem}.cart-item-image{width:60px;height:60px}.cart-item-actions{flex-direction:column;align-items:flex-start;gap:.5rem}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding-bottom:2rem}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1e40af;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--background: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-light: #64748b;--border: #e2e8f0;--shadow: rgba(0, 0, 0, .1)}[data-theme=dark]{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #94a3b8;--success: #22c55e;--danger: #f87171;--background: #0f172a;--surface: #1e293b;--text: #f1f5f9;--text-light: #94a3b8;--border: #334155;--shadow: rgba(0, 0, 0, .3)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--text);line-height:1.6;transition:background-color .3s ease,color .3s ease}button{cursor:pointer;border:none;font-family:inherit;transition:all .2s ease}input{font-family:inherit}