:root{--bg: #0b0f19;--surface: #131a2b;--surface-2: #1a2338;--border: #232c42;--text: #e9edf5;--text-dim: #93a0bb;--accent: #5b7cff;--accent-hover: #4a68e0;--success: #33d17a;--radius: 12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 24px}.navbar{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--border)}.logo{font-weight:800;font-size:22px;letter-spacing:-.5px}.logo span{color:var(--accent)}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--text-dim);font-weight:500;transition:color .15s}.nav-links a:hover{color:var(--text)}.cart-badge{background:var(--accent);color:#fff;border-radius:999px;font-size:12px;padding:2px 7px;margin-left:6px}.hero{padding:64px 0 40px;text-align:center}.hero h1{font-size:42px;margin-bottom:12px}.hero p{color:var(--text-dim);font-size:18px}.category-pills{display:flex;gap:12px;justify-content:center;margin:28px 0 8px;flex-wrap:wrap}.pill{padding:8px 18px;border-radius:999px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:14px;color:var(--text-dim)}.pill.active{background:var(--accent);color:#fff;border-color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;padding:32px 0 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-4px);border-color:var(--accent)}.card img{width:100%;height:180px;object-fit:cover;display:block;background:#000}.card-body{padding:16px}.card-body h3{margin:0 0 6px;font-size:16px}.card-body .price{color:var(--accent);font-weight:700;font-size:17px}.card-body .desc{color:var(--text-dim);font-size:13px;margin:8px 0 14px;line-height:1.4}.btn{display:inline-block;background:var(--accent);color:#fff;border:none;padding:10px 18px;border-radius:8px;font-weight:600;cursor:pointer;font-size:14px;transition:background .15s}.btn:hover{background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.full{width:100%}.btn.secondary{background:var(--surface-2);border:1px solid var(--border)}.detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:48px 0}.detail img{width:100%;border-radius:var(--radius)}.detail h1{font-size:30px;margin-bottom:8px}.detail .price{font-size:26px;color:var(--accent);font-weight:700;margin:16px 0}.detail .desc{color:var(--text-dim);line-height:1.6;margin-bottom:24px}.cart-page{padding:40px 0}.cart-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}.cart-row img{width:70px;height:70px;object-fit:cover;border-radius:8px}.cart-row .info{flex:1}.cart-row .qty-controls{display:flex;align-items:center;gap:10px}.qty-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer}.remove-link{color:#ff6b6b;font-size:13px;cursor:pointer;margin-left:12px}.summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-top:24px;max-width:380px;margin-left:auto}.summary-row{display:flex;justify-content:space-between;margin-bottom:10px;color:var(--text-dim)}.summary-row.total{color:var(--text);font-weight:700;font-size:18px;border-top:1px solid var(--border);padding-top:12px}.checkout-page{padding:40px 0;max-width:480px;margin:0 auto}.checkout-page h1{margin-bottom:24px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}.form-group input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px}.stripe-box{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px;margin:16px 0}.error-text{color:#ff6b6b;font-size:13px;margin-top:8px}.success-page{text-align:center;padding:80px 0}.success-page .check{font-size:60px;color:var(--success)}.footer{border-top:1px solid var(--border);padding:32px 0;text-align:center;color:var(--text-dim);font-size:13px;margin-top:40px}