:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-hover: #f0f9ff;--text-primary: #1a202c;--text-secondary: #4a5568;--border-color: #e2e8f0;--shadow: rgba(0, 0, 0, .1);--accent-color: #f7931a;--accent-hover: #e8821a;--theme-switcher-bg: #ffffff;--theme-switcher-border: #e2e8f0;--theme-switcher-color: #4a5568;--theme-switcher-hover-bg: #f7fafc;--theme-switcher-hover-border: #cbd5e0}[data-theme=dark]{--bg-primary: #1a202c;--bg-secondary: #2d3748;--bg-hover: #4a5568;--text-primary: #f7fafc;--text-secondary: #e2e8f0;--border-color: #4a5568;--shadow: rgba(0, 0, 0, .3);--accent-color: #f7931a;--accent-hover: #e8821a;--theme-switcher-bg: #2d3748;--theme-switcher-border: #4a5568;--theme-switcher-color: #e2e8f0;--theme-switcher-hover-bg: #4a5568;--theme-switcher-hover-border: #718096}*{margin:0;padding:0;box-sizing:border-box}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(--bg-primary);color:var(--text-primary);line-height:1;transition:background-color .3s ease,color .3s ease}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:linear-gradient(135deg,#8b5cf6 0%,#7c3aed 100%);color:#fff;padding:.4rem 0;box-shadow:0 2px 10px var(--shadow);transition:box-shadow .3s ease;position:sticky;top:0;z-index:1000}.header-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.header-actions{display:flex;align-items:center;gap:1rem}.basket-link{position:relative;display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:rgba(255,255,255,.15);border-radius:12px;text-decoration:none;transition:all .3s ease;border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.basket-link:hover{background:rgba(255,255,255,.25);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.basket-icon{font-size:1.5rem;line-height:1}.basket-badge{position:absolute;top:-6px;right:-6px;background:#ef4444;color:#fff;font-size:.75rem;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px;border:2px solid white;box-shadow:0 2px 8px #0000004d}.logo-link{display:flex;align-items:center;gap:1rem;text-decoration:none;color:inherit}.header-logo{width:40px;height:40px;border-radius:8px;background:white;padding:4px}.header-title h1{font-size:1.5rem;font-weight:700;margin-bottom:.15rem}.header-title p{font-size:.85rem;opacity:.9}.main{flex:1;max-width:1200px;margin:0 auto;padding:1rem 2rem;width:100%}.footer{background:var(--bg-secondary);color:var(--text-primary);text-align:center;padding:1rem;margin-top:auto;border-top:1px solid var(--border-color);transition:background-color .3s ease,color .3s ease,border-color .3s ease}.footer p{font-size:.9rem;opacity:.8}.loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #f7931a;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:.9rem;font-weight:600;text-decoration:none;cursor:pointer;transition:all .2s ease;background:#f7931a;color:#fff}.btn:hover{background:#e8831a;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.retry-btn{background:#e53e3e;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:background .2s ease}.retry-btn:hover{background:#c53030}.error{text-align:center;padding:3rem 2rem;background:white;border-radius:12px;box-shadow:0 4px 6px #0000001a;border-left:4px solid #e53e3e}.error h2{color:#e53e3e;margin-bottom:1rem}.error p{color:#718096;margin-bottom:2rem}@media (max-width: 768px){.header-content{padding:0 1rem}.header-title h1{font-size:1.3rem}.main{padding:.75rem 1rem}.header-logo{width:36px;height:36px}.basket-link{width:40px;height:40px}.basket-icon{font-size:1.3rem}.basket-badge{font-size:.7rem;min-width:18px;height:18px;top:-5px;right:-5px}}.redirecting{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;padding:2rem}.redirecting .loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #f7931a;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}.redirecting p{color:#666;font-size:1.1rem}.home{max-width:100%}.hero-section{text-align:center;padding:4rem 2rem;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;border-radius:16px;margin-bottom:4rem;position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="30" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');pointer-events:none}.hero-section h1{font-size:3rem;font-weight:800;margin-bottom:1.5rem;position:relative;z-index:1}.hero-subtitle{font-size:1.3rem;opacity:.9;max-width:700px;margin:0 auto;line-height:1.6;position:relative;z-index:1}.collections-showcase{margin-bottom:5rem}.collections-showcase h2{font-size:2.5rem;font-weight:700;margin-bottom:3rem;color:var(--text-primary);text-align:center}.collections-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2.5rem;max-width:1200px;margin:0 auto}.collection-card{background:var(--bg-secondary);border-radius:20px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:all .4s ease;border:1px solid var(--border-color);position:relative}.collection-card.featured{border:2px solid var(--accent-color);box-shadow:0 10px 40px #f7931a33}.collection-card.featured:before{content:"⭐ NEW";position:absolute;top:20px;right:20px;background:var(--accent-color);color:#fff;padding:8px 16px;border-radius:20px;font-weight:700;font-size:.85rem;z-index:10;box-shadow:0 4px 12px #0000004d}.collection-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #00000026}.collection-image-container{position:relative;height:250px;overflow:hidden}.collection-main-image{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.collection-card:hover .collection-main-image{transform:scale(1.05)}.collection-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,rgba(0,0,0,.7),rgba(0,0,0,.3));display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.collection-card:hover .collection-overlay{opacity:1}.collection-view-button{background:var(--accent-color);color:#fff;text-decoration:none;padding:12px 24px;border-radius:25px;font-weight:600;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 15px #0003}.collection-view-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.collection-info{padding:2rem}.collection-info h3{font-size:1.5rem;font-weight:700;margin-bottom:.75rem;color:var(--text-primary)}.collection-description{color:var(--text-secondary);font-size:1rem;margin-bottom:1.5rem;line-height:1.6}.collection-pricing{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:1rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-color)}.price{font-size:1.3rem;font-weight:700;color:var(--accent-color)}.coin-count{font-size:.9rem;color:var(--text-secondary);font-weight:500}.collection-actions{display:flex;gap:1rem;flex-wrap:wrap}.buy-button{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent-color);color:#fff;text-decoration:none;padding:12px 20px;border-radius:25px;font-weight:600;font-size:.95rem;transition:all .3s ease;box-shadow:0 4px 15px #0000001a;flex:1;justify-content:center;min-width:120px}.buy-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #0003}.addresses-button{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--text-primary);text-decoration:none;padding:12px 20px;border-radius:25px;font-weight:600;font-size:.95rem;transition:all .3s ease;border:2px solid var(--border-color);flex:1;justify-content:center;min-width:120px}.addresses-button:hover{background:var(--bg-primary);border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-2px)}.features-section{background:var(--bg-secondary);border-radius:20px;padding:4rem 2rem;box-shadow:0 10px 30px #0000001a;margin-bottom:3rem}.features-section h2{font-size:2.5rem;font-weight:700;margin-bottom:3rem;color:var(--text-primary);text-align:center}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.feature-card{text-align:center;padding:2.5rem 1.5rem;background:var(--bg-primary);border-radius:16px;border:1px solid var(--border-color);transition:all .3s ease;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(-5px);box-shadow:0 10px 25px #0000001a;border-color:var(--accent-color)}.feature-icon{font-size:3.5rem;margin-bottom:1.5rem;display:block}.feature-card h3{font-size:1.3rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.feature-card p{color:var(--text-secondary);line-height:1.6;font-size:1rem}@media (max-width: 768px){.hero-section{padding:3rem 1rem}.hero-section h1{font-size:2.2rem}.hero-subtitle{font-size:1.1rem}.collections-showcase h2{font-size:2rem}.collections-grid{grid-template-columns:1fr;gap:2rem}.collection-image-container{height:200px}.collection-info{padding:1.5rem}.collection-pricing{flex-direction:column;gap:.5rem;text-align:center}.collection-actions{flex-direction:column}.features-section{padding:3rem 1rem}.features-section h2{font-size:2rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.feature-card{padding:2rem 1rem}}@media (max-width: 480px){.hero-section h1,.collections-showcase h2{font-size:1.8rem}.collection-info h3{font-size:1.3rem}.features-section h2{font-size:1.8rem}}.coin-set{max-width:100%;padding:0 1rem}.back-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none;font-weight:500;margin-bottom:.5rem;padding:.5rem 1rem;border-radius:8px;transition:all .3s ease;border:1px solid transparent}.back-link:hover{color:var(--accent-color);background:var(--bg-primary);border-color:var(--border-color)}.coin-set-header{margin-bottom:4rem}.coin-set-info{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;background:var(--bg-secondary);padding:3rem;border-radius:20px;box-shadow:0 10px 30px #0000001a}.coin-set-details h1{font-size:2.5rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary);line-height:1.2}.coin-set-description{font-size:1.1rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.6}.coin-set-stats{display:flex;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.stat{display:flex;flex-direction:column;align-items:center;padding:1rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-color);min-width:100px}.stat strong{font-size:1.5rem;color:var(--accent-color);font-weight:700}.stat:not(.price-stat){font-size:.9rem;color:var(--text-secondary)}.price-stat{background:linear-gradient(135deg,var(--accent-color),var(--accent-hover));color:#fff;border:none}.price-stat strong{color:#fff}.coin-set-actions{display:flex;gap:1rem;flex-wrap:wrap}.buy-button.primary{background:var(--accent-color);color:#fff;text-decoration:none;padding:14px 28px;border-radius:25px;font-weight:700;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 15px #0003;display:inline-flex;align-items:center;gap:.5rem}.buy-button.primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.addresses-button.secondary{background:transparent;color:var(--text-primary);text-decoration:none;padding:14px 28px;border-radius:25px;font-weight:700;font-size:1rem;transition:all .3s ease;border:2px solid var(--border-color);display:inline-flex;align-items:center;gap:.5rem}.addresses-button.secondary:hover{background:var(--bg-primary);border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-2px)}.coin-set-image-container{display:flex;justify-content:center;align-items:center}.coin-display{text-align:center}.coin-image-wrapper{position:relative;margin-bottom:2rem}.coin-main-image{width:300px;height:300px;object-fit:contain;border-radius:50%;box-shadow:0 20px 40px #0003;transition:all .3s ease;background:var(--bg-primary);padding:20px}.coin-main-image:hover{transform:scale(1.05);box-shadow:0 25px 50px #0000004d}.flip-button{position:absolute;bottom:-10px;left:50%;transform:translate(-50%);background:var(--accent-color);color:#fff;border:none;padding:8px 16px;border-radius:20px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003}.flip-button:hover{background:var(--accent-hover);transform:translate(-50%) translateY(-2px);box-shadow:0 6px 20px #0000004d}.coin-info h3{font-size:1.8rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary)}.coin-material{font-size:1.1rem;color:var(--text-secondary);margin-bottom:.5rem;font-weight:500}.coin-count{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.coin-price{font-size:1.5rem;font-weight:700;color:var(--accent-color)}.coin-types-section{margin-bottom:4rem}.coin-types-section h2{font-size:2.2rem;font-weight:700;margin-bottom:2rem;color:var(--text-primary);text-align:center}.coin-types-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.coin-type-card{background:var(--bg-secondary);border-radius:16px;padding:2rem;text-align:center;cursor:pointer;transition:all .3s ease;border:2px solid var(--border-color);position:relative;overflow:hidden}.coin-type-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--border-color);transition:all .3s ease}.coin-type-card:hover:before,.coin-type-card.selected:before{height:6px;background:var(--accent-color)}.coin-type-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a;border-color:var(--accent-color)}.coin-type-card.selected{border-color:var(--accent-color);box-shadow:0 10px 25px #0000001a;background:var(--bg-primary)}.coin-type-image-container{margin-bottom:1.5rem}.coin-type-image{width:120px;height:120px;object-fit:contain;border-radius:50%;background:var(--bg-primary);padding:15px;transition:all .3s ease}.coin-type-card:hover .coin-type-image{transform:scale(1.1)}.coin-type-info h4{font-size:1.3rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary)}.coin-type-material{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem;font-weight:500}.coin-type-details{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border-color)}.coin-type-count{font-size:.9rem;color:var(--text-secondary);font-weight:500}.coin-type-price{font-size:1.2rem;font-weight:700;color:var(--accent-color)}.collection-features{background:var(--bg-secondary);border-radius:20px;padding:4rem 2rem;box-shadow:0 10px 30px #0000001a}.collection-features h2{font-size:2.2rem;font-weight:700;margin-bottom:3rem;color:var(--text-primary);text-align:center}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.feature-item{text-align:center;padding:2rem 1.5rem;background:var(--bg-primary);border-radius:16px;border:1px solid var(--border-color);transition:all .3s ease;position:relative;overflow:hidden}.feature-item: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-item:hover:before{left:100%}.feature-item:hover{transform:translateY(-5px);box-shadow:0 10px 25px #0000001a;border-color:var(--accent-color)}.feature-icon{font-size:3rem;margin-bottom:1.5rem;display:block}.feature-item h3{font-size:1.3rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.feature-item p{color:var(--text-secondary);line-height:1.6;font-size:1rem}@media (max-width: 768px){.coin-set-info{grid-template-columns:1fr;gap:2rem;padding:2rem}.coin-set-details h1{font-size:2rem}.coin-set-stats{gap:1rem}.coin-set-actions{flex-direction:column}.coin-main-image{width:250px;height:250px}.coin-types-grid{grid-template-columns:1fr;gap:1.5rem}.coin-type-card{padding:1.5rem}.coin-type-image{width:100px;height:100px}.collection-features{padding:3rem 1rem}.collection-features h2{font-size:1.8rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.feature-item{padding:1.5rem 1rem}}@media (max-width: 480px){.coin-set-details h1{font-size:1.8rem}.coin-set-stats{flex-direction:column;gap:1rem}.stat{min-width:auto}.coin-main-image{width:200px;height:200px}.coin-info h3{font-size:1.5rem}.coin-types-section h2{font-size:1.8rem}.collection-features h2{font-size:1.6rem}}.coin-availability{margin:.5rem 0}.availability-header{margin-bottom:1rem}.availability-header h3{font-size:1.8rem;margin-bottom:1.5rem;color:var(--primary-color, #f7931a)}.availability-stats{display:flex;gap:1.5rem;margin-bottom:2rem}.stat-card{flex:1;padding:1.5rem;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:.5rem;border:2px solid}.stat-card.available{background:rgba(16,185,129,.1);border-color:#10b981}.stat-card.sold{background:rgba(239,68,68,.1);border-color:#ef4444}.stat-number{font-size:2.5rem;font-weight:700}.stat-card.available .stat-number{color:#10b981}.stat-card.sold .stat-number{color:#ef4444}.stat-label{font-size:1rem;text-transform:uppercase;letter-spacing:.05em;opacity:.8}.tab-buttons{display:flex;gap:1rem;margin-bottom:.75rem;border-bottom:2px solid var(--border-color, rgba(255, 255, 255, .1))}.tab-button{padding:.75rem 1.5rem;background:transparent;border:none;border-bottom:3px solid transparent;color:var(--text-secondary, #9ca3af);font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-bottom:-2px}.tab-button:hover{color:var(--primary-color, #f7931a)}.tab-button.active{color:var(--primary-color, #f7931a);border-bottom-color:var(--primary-color, #f7931a)}.coins-table-container{overflow-x:auto;border-radius:12px;border:1px solid rgba(196,181,253,.2);background:rgba(139,92,246,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-height:600px;overflow-y:auto;box-shadow:0 8px 30px #8b5cf633}.coins-table{width:100%;border-collapse:collapse;background:var(--card-background, rgba(255, 255, 255, .03))}.coins-table thead{background:var(--bg-secondary, #1a1a2e);position:sticky;top:0;z-index:10}[data-theme=light] .coins-table thead{background:#f8fafc}[data-theme=dark] .coins-table thead{background:#2d3748}.coins-table th{padding:.75rem 1rem;text-align:left;font-weight:700;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--primary-color, #f7931a);border-bottom:2px solid var(--border-color, rgba(255, 255, 255, .1))}.coins-table th.action-header{text-align:right}.coins-table tbody tr{border-bottom:1px solid var(--border-color, rgba(255, 255, 255, .05));transition:background .2s ease}.coins-table tbody tr:hover{background:var(--card-background-alt, rgba(255, 255, 255, .05))}.coins-table td{padding:.75rem 1rem;font-size:1rem}.coin-number{font-weight:700;color:var(--primary-color, #f7931a);font-family:Courier New,monospace}.serial-number{font-weight:700;color:var(--primary-color, #f7931a);font-family:Courier New,monospace;font-size:1.05rem}.certificate-number{font-family:Courier New,monospace;color:var(--text-secondary, #9ca3af)}.coin-price{color:var(--text-primary, #ffffff);font-size:.95rem}.coin-action{text-align:right}.buy-btn{display:inline-block;padding:.6rem 1.5rem;background:linear-gradient(135deg,#10b981 0%,#059669 100%);color:#fff;text-decoration:none;border-radius:8px;font-weight:600;font-size:.9rem;transition:all .3s ease;box-shadow:0 2px 8px #10b9814d}.buy-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #10b98166;background:linear-gradient(135deg,#059669 0%,#047857 100%)}.contact-btn{display:inline-block;padding:.6rem 1.5rem;background:var(--card-background-alt, rgba(255, 255, 255, .1));color:var(--text-primary, #ffffff);text-decoration:none;border-radius:8px;font-weight:600;font-size:.9rem;transition:all .3s ease;border:1px solid var(--border-color, rgba(255, 255, 255, .2))}.contact-btn:hover{background:var(--primary-color, #f7931a);transform:translateY(-2px);border-color:var(--primary-color, #f7931a)}.status-badge{display:inline-block;padding:.4rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.status-badge.sold{background:rgba(239,68,68,.2);color:#ef4444;border:1px solid #ef4444}.pricing-note{margin-top:2rem;padding:1.5rem;background:var(--card-background-alt, rgba(255, 255, 255, .03));border-radius:12px;border-left:4px solid var(--primary-color, #f7931a)}.pricing-note 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600px){.payment-card{padding:2rem}.status-emoji{font-size:4rem}.payment-card h1{font-size:1.5rem}.coin-number{font-size:2.5rem}.action-buttons{flex-direction:column}.btn-primary,.btn-secondary{width:100%;text-align:center}}.checkout-page{min-height:100vh;padding:2rem 1rem;background:linear-gradient(135deg,#0f0f23 0%,#1a1a2e 50%,#16213e 100%)}.checkout-container{max-width:1200px;margin:0 auto}.checkout-header{text-align:center;margin-bottom:3rem}.checkout-header .back-link{display:inline-block;margin-bottom:.5rem;color:#c4b5fdcc;text-decoration:none;font-weight:500;transition:all .3s ease;font-size:.9rem}.checkout-header .back-link:hover{color:#a78bfa;transform:translate(-4px)}.checkout-header h1{font-size:3rem;font-weight:900;background:linear-gradient(135deg,#c4b5fd 0%,#8b5cf6 50%,#7c3aed 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rgba(196,181,253,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.order-summary h2{font-size:1.5rem;margin-bottom:1.5rem;color:#c4b5fd;font-weight:700}.order-items{margin-bottom:2rem}.order-item{display:flex;justify-content:space-between;align-items:flex-start;padding:1.5rem 0;border-bottom:1px solid rgba(196,181,253,.15)}.order-item:last-child{border-bottom:none}.item-info h3{font-size:1.1rem;color:#fff;margin-bottom:.5rem;font-weight:600}.item-serial,.item-cert{font-size:.9rem;color:#ffffffb3;margin:.25rem 0;font-family:Courier New,monospace}.item-actions{display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}.item-price{font-size:1.2rem;font-weight:700;color:#8b5cf6}.remove-btn{padding:.5rem;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.4);color:#ef4444;border-radius:8px;font-size:1.2rem;cursor:pointer;transition:all .3s ease;font-weight:500;width:36px;height:36px;display:flex;align-items:center;justify-content:center;line-height:1}.remove-btn:hover:not(:disabled){background:rgba(239,68,68,.2);border-color:#ef4444;transform:translateY(-1px) scale(1.05)}.remove-btn:disabled{opacity:.5;cursor:not-allowed}.order-totals{padding-top:1.5rem;border-top:2px solid rgba(196,181,253,.2)}.total-row{display:flex;justify-content:space-between;padding:.75rem 0;font-size:1rem;color:#fffc}.total-row-final{margin-top:.5rem;padding-top:1rem;border-top:1px solid rgba(196,181,253,.15);font-size:1.3rem;font-weight:700;color:#fff}.free-shipping{color:#10b981;font-weight:600}.total-amount{font-size:1.5rem;color:#8b5cf6}.checkout-form-section{background:rgba(139,92,246,.05);border-radius:20px;padding:2rem;border:1px solid rgba(196,181,253,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.checkout-form h2{font-size:1.5rem;margin-bottom:1.5rem;color:#c4b5fd;font-weight:700}.form-group{margin-bottom:2rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#ffffffe6}.email-prefilled-badge{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:rgba(16,185,129,.15);border:1px solid rgba(16,185,129,.3);border-radius:8px;margin-bottom:.75rem;font-size:.9rem;color:#10b981;flex-wrap:wrap}.email-prefilled-badge strong{color:#34d399;font-weight:600}.change-email-link{background:none;border:none;color:#34d399;text-decoration:underline;cursor:pointer;font-size:.9rem;padding:0;margin-left:auto;transition:color .2s ease}.change-email-link:hover{color:#6ee7b7}.form-group input{width:100%;padding:1rem;background:rgba(139,92,246,.1);border:1px solid rgba(196,181,253,.3);border-radius:12px;color:#fff;font-size:1rem;transition:all .3s ease;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf633}.form-group input.error{border-color:#ef4444}.form-group input:disabled{opacity:.5;cursor:not-allowed}.form-help{font-size:.85rem;color:#fff9;margin-top:.5rem;margin-bottom:0}.reservation-notice{background:rgba(245,158,11,.15);border:1px solid rgba(245,158,11,.4);border-radius:8px;padding:.75rem 1rem;margin-top:1rem;font-size:.9rem;color:#f59e0b;line-height:1.5}.payment-method{background:rgba(139,92,246,.1);border:1px solid rgba(196,181,253,.3);border-radius:12px;padding:1.5rem;margin-bottom:2rem}.payment-method-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.payment-icon{font-size:2rem}.payment-method-header strong{display:block;color:#fff;font-size:1.1rem;margin-bottom:.25rem}.payment-method-header p{margin:0;font-size:.9rem;color:#ffffffb3}.payment-note{font-size:.9rem;color:#ffffffb3;margin:0;line-height:1.6}.checkout-button{width:100%;padding:1.25rem 2rem;background:linear-gradient(135deg,#8b5cf6 0%,#7c3aed 100%);color:#fff;border:none;border-radius:12px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 4px 20px #8b5cf666;text-transform:uppercase;letter-spacing:.5px}.checkout-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 30px #8b5cf680}.checkout-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.button-arrow{font-size:1.3rem;transition:transform .3s ease}.checkout-button:hover:not(:disabled) .button-arrow{transform:translate(4px)}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.secure-note{text-align:center;font-size:.85rem;color:#fff9;margin-top:1rem;margin-bottom:0}@media (max-width: 968px){.checkout-content{grid-template-columns:1fr;gap:2rem}.checkout-header h1{font-size:2rem}.order-summary,.checkout-form-section{padding:1.5rem}}@media (max-width: 640px){.checkout-page{padding:1rem}.order-item{flex-direction:column;gap:1rem}.item-actions{flex-direction:row;align-items:center;width:100%;justify-content:space-between}}.theme-switcher{background:var(--theme-switcher-bg);border:2px solid var(--theme-switcher-border);border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;color:var(--theme-switcher-color)}.theme-switcher:hover{background:var(--theme-switcher-hover-bg);border-color:var(--theme-switcher-hover-border);transform:scale(1.05)}.theme-switcher:active{transform:scale(.95)}.theme-switcher-icon{display:flex;align-items:center;justify-content:center}.theme-switcher svg{transition:transform .3s ease}.theme-switcher:hover svg{transform:rotate(15deg)}.email-manager{position:relative}.email-manager-button{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;font-size:.9rem;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-weight:500}.email-manager-button:hover{background:rgba(255,255,255,.25);transform:translateY(-2px);box-shadow:0 4px 12px #0003}.email-icon{font-size:1.2rem}.email-display{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-placeholder{opacity:.8}.email-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.email-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-secondary, #2d3748);border-radius:16px;box-shadow:0 20px 60px #00000080;z-index:1001;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;border:1px solid var(--border-color, rgba(255, 255, 255, .1))}.email-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-color, rgba(255, 255, 255, .1))}.email-modal-header h3{margin:0;font-size:1.5rem;color:var(--text-primary, #f7fafc)}.email-close-button{background:none;border:none;color:var(--text-secondary, #e2e8f0);font-size:2rem;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s ease}.email-close-button:hover{background:rgba(255,255,255,.1);color:var(--text-primary, #f7fafc)}.email-modal-content{padding:1.5rem}.email-description{color:var(--text-secondary, #e2e8f0);margin-bottom:1.5rem;font-size:.95rem;line-height:1.5}.email-input-group{margin-bottom:1.5rem}.email-input-group label{display:block;margin-bottom:.5rem;color:var(--text-primary, #f7fafc);font-weight:600;font-size:.9rem}.email-input-group input{width:100%;padding:.75rem 1rem;background:var(--bg-primary, #1a202c);border:2px solid var(--border-color, rgba(255, 255, 255, .1));border-radius:8px;color:var(--text-primary, #f7fafc);font-size:1rem;transition:all .2s ease;box-sizing:border-box}.email-input-group input:focus{outline:none;border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf61a}.email-input-group input.error{border-color:#ef4444}.error-text{display:block;color:#ef4444;font-size:.85rem;margin-top:.5rem}.email-current-info{background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.3);border-radius:8px;padding:1rem;margin-bottom:1.5rem}.email-current-info p{margin:0;color:var(--text-secondary, #e2e8f0);font-size:.9rem}.email-current-info strong{color:var(--text-primary, #f7fafc)}.email-modal-actions{display:flex;gap:1rem;justify-content:flex-end}.email-save-button,.email-clear-button{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.email-save-button{background:linear-gradient(135deg,#8b5cf6 0%,#7c3aed 100%);color:#fff}.email-save-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #8b5cf666}.email-save-button:disabled{opacity:.6;cursor:not-allowed}.email-clear-button{background:transparent;color:var(--text-secondary, #e2e8f0);border:1px solid var(--border-color, rgba(255, 255, 255, .1))}.email-clear-button:hover:not(:disabled){background:rgba(255,255,255,.05);color:var(--text-primary, #f7fafc)}.email-clear-button:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.email-manager-button{padding:.4rem .75rem;font-size:.85rem}.email-display{max-width:80px}.email-modal{width:95%;max-width:none}.email-modal-header,.email-modal-content{padding:1rem}.email-modal-actions{flex-direction:column}.email-save-button,.email-clear-button{width:100%}}