:root{--bg-primary:#0f1419;--bg-secondary:#1a2332;--bg-card:#1e2a3a;--bg-card-hover:#243447;--accent:#0f8;--accent-dim:#00cc6a;--accent-glow:#00ff8826;--text-primary:#e8edf2;--text-secondary:#89a;--text-muted:#567;--border:#2a3a4a;--success:#0f8;--warning:#fa0;--danger:#f46;--radius:12px;--radius-sm:8px;--shadow:0 4px 20px #0000004d;--shadow-glow:0 0 20px #00ff881a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:0 0 5px #00ff884d}50%{box-shadow:0 0 20px #00ff8880}}.fade-in{animation:.4s ease-out fadeIn}.slide-up{animation:.5s ease-out slideUp}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex;position:sticky;top:0}.nav-brand{color:var(--accent);align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.nav-links{gap:8px;display:flex}.nav-link{border-radius:var(--radius-sm);color:var(--text-secondary);align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-link:hover{color:var(--text-primary);background:var(--bg-card)}.nav-link.active{color:var(--accent);background:var(--accent-glow)}.container{max-width:1200px;margin:0 auto;padding:32px 24px}.product-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;padding:24px;transition:all .3s;animation:.4s ease-out fadeIn}.product-card:hover{background:var(--bg-card-hover);border-color:var(--accent-dim);box-shadow:var(--shadow-glow);transform:translateY(-4px)}.product-card .category{text-transform:uppercase;letter-spacing:.5px;background:var(--accent-glow);color:var(--accent);border-radius:20px;margin-bottom:12px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-block}.product-card h3{color:var(--text-primary);margin-bottom:8px;font-size:16px}.product-card .description{color:var(--text-secondary);margin-bottom:16px;font-size:13px;line-height:1.5}.product-card .price-row{justify-content:space-between;align-items:center;display:flex}.product-card .price{color:var(--accent);font-size:22px;font-weight:700}.product-card .stock{color:var(--text-muted);font-size:12px}.product-card .stock.low{color:var(--warning)}.product-card .stock.out{color:var(--danger)}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:var(--bg-primary)}.btn-primary:hover{background:var(--accent-dim);box-shadow:var(--shadow-glow)}.btn-primary:disabled{background:var(--text-muted);cursor:not-allowed;box-shadow:none}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-dim)}.btn-sm{padding:6px 12px;font-size:12px}.checkout-container{max-width:500px;margin:0 auto;animation:.5s ease-out slideUp}.checkout-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.checkout-card h2{margin-bottom:24px;font-size:22px}.checkout-item{border-bottom:1px solid var(--border);justify-content:space-between;padding:16px 0;display:flex}.checkout-total{justify-content:space-between;padding:20px 0;font-size:20px;font-weight:700;display:flex}.checkout-total .price{color:var(--accent)}.success-container{text-align:center;max-width:550px;margin:0 auto;animation:.5s ease-out slideUp}.success-icon{background:var(--accent-glow);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 24px;animation:2s infinite glow;display:flex}.success-icon svg{color:var(--accent)}.key-box{border:1px solid var(--accent-dim);border-radius:var(--radius);letter-spacing:1px;color:var(--accent);word-break:break-all;background:#0a0f14;margin:24px 0;padding:20px;font-family:JetBrains Mono,Fira Code,monospace;font-size:16px;position:relative}.key-box .copy-btn{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;color:var(--text-secondary);border-radius:6px;padding:6px 10px;font-size:12px;transition:all .2s;position:absolute;top:8px;right:8px}.key-box .copy-btn:hover{color:var(--accent);border-color:var(--accent-dim)}.orders-table{border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);width:100%;overflow:hidden}.orders-table th{background:var(--bg-secondary);text-align:left;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border);padding:14px 16px;font-size:12px}.orders-table td{border-bottom:1px solid var(--border);padding:14px 16px;font-size:13px}.orders-table tr:last-child td{border-bottom:none}.orders-table .key-cell{color:var(--accent);font-family:JetBrains Mono,monospace;font-size:12px}.empty-state{text-align:center;color:var(--text-muted);padding:60px 20px}.empty-state svg{opacity:.5;margin-bottom:16px}.empty-state h3{color:var(--text-secondary);margin-bottom:8px}.search-bar{gap:12px;margin-bottom:24px;display:flex}.search-input{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);flex:1;padding:12px 16px;font-size:14px;transition:border-color .2s}.search-input:focus{border-color:var(--accent-dim);outline:none}.search-input::placeholder{color:var(--text-muted)}.category-filter{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;padding:10px 16px;font-size:14px}.category-filter:focus{border-color:var(--accent-dim);outline:none}.toast{background:var(--bg-card);border:1px solid var(--accent-dim);border-radius:var(--radius-sm);color:var(--accent);z-index:1000;box-shadow:var(--shadow-glow);padding:12px 20px;font-size:14px;animation:.3s ease-out slideUp;position:fixed;bottom:24px;right:24px}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite pulse}.page-header{margin-bottom:32px}.page-header h1{margin-bottom:8px;font-size:28px}.page-header p{color:var(--text-secondary);font-size:15px}@media (width<=768px){.product-grid{grid-template-columns:1fr}.navbar{padding:0 16px}.nav-link span{display:none}.container{padding:20px 16px}}