:root{--bg: #0a0d12;--surface: #11161e;--surface-2: #182030;--border: #243044;--text: #e8eef7;--text-dim: #8a96a7;--text-mute: #5a6678;--accent: #58a6ff;--accent-2: #1f6feb;--success: #56d364;--warning: #e3b341;--error: #f85149;--code: #f97583;--shadow: 0 8px 32px rgba(0,0,0,.4)}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100vh}body{background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-2)}.shop-app{display:flex;flex-direction:column;min-height:100vh}.shop-header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 26px;display:flex;align-items:center;gap:24px;position:sticky;top:0;z-index:100}.shop-brand{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px;letter-spacing:.3px}.shop-brand-mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);border-radius:6px;font-size:18px}.shop-nav{display:flex;gap:20px;flex:1}.shop-nav a{color:var(--text-dim);font-size:13px;font-weight:500;padding:6px 0}.shop-nav a.active,.shop-nav a:hover{color:var(--text)}.shop-account-area{display:flex;align-items:center;gap:12px}.shop-email{font-size:12px;color:var(--text-dim)}.shop-main{flex:1;max-width:1180px;width:100%;margin:0 auto;padding:32px 26px 56px}.shop-footer{border-top:1px solid var(--border);padding:18px 26px;color:var(--text-mute);font-size:12px;text-align:center}.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#07101f;border:none;border-radius:6px;padding:9px 18px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,transform .15s}.btn:hover{background:var(--accent-2);color:#fff}.btn:disabled{background:#2a3445;color:var(--text-mute);cursor:not-allowed}.btn.btn-outline{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn.btn-outline:hover{background:#58a6ff1a}.btn.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}.btn.btn-ghost:hover{color:var(--text);background:var(--surface-2)}.input{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:10px 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28px}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.product-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;display:flex;flex-direction:column;transition:border-color .15s,transform .15s}.product-card:hover{border-color:var(--accent);transform:translateY(-2px)}.product-card .product-cat{font-size:10px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.8px;font-weight:600;margin-bottom:6px}.product-card h3{font-size:16px;font-weight:600;margin:0 0 8px}.product-card .product-desc{color:var(--text-dim);font-size:12.5px;flex:1;margin-bottom:14px}.product-card .product-foot{display:flex;align-items:center;justify-content:space-between}.product-card .product-price{font-size:20px;font-weight:700}.product-card .product-period{color:var(--text-mute);font-size:11px;margin-left:3px}.product-detail{display:grid;grid-template-columns:2fr 1fr;gap:26px}@media(max-width:768px){.product-detail{grid-template-columns:1fr}}.product-detail h1{font-size:28px;margin:0 0 8px}.product-detail .cat-pill{display:inline-block;background:var(--surface-2);border:1px solid var(--border);padding:3px 10px;border-radius:12px;font-size:11px;color:var(--text-dim);margin-bottom:16px}.product-detail .description{color:var(--text-dim);font-size:14px;line-height:1.7;margin-bottom:18px}.product-detail ul{color:var(--text-dim);font-size:13px;padding-left:18px}.product-buy{text-align:center;position:sticky;top:88px}.product-buy .price{font-size:38px;font-weight:800;margin-bottom:4px}.product-buy .period{color:var(--text-dim);font-size:13px;margin-bottom:18px}.product-buy .btn{width:100%;justify-content:center;padding:12px}.auth-wrap{max-width:380px;margin:60px auto 0}.auth-tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:24px}.auth-tabs button{flex:1;background:none;border:none;color:var(--text-dim);padding:12px 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.qr{display:inline-block;background:#fff;padding:12px;border-radius:8px;margin-bottom:16px}.pay-box .addr{font-family:Roboto Mono,monospace;background:var(--bg);border:1px solid var(--border);padding:10px 12px;border-radius:6px;font-size:11px;word-break:break-all;margin:10px 0}.pay-box .amount-btc{font-size:22px;font-weight:700;margin:14px 0 6px}.pay-box .amount-rate{font-size:11px;color:var(--text-mute);margin-bottom:18px}.pay-box .copy-btn{background:none;color:var(--accent);border:1px solid var(--accent);border-radius:4px;font-size:11px;padding:4px 10px;cursor:pointer;margin-left:8px}.poll-status{margin-top:14px;font-size:12px;color:var(--text-dim)}.poll-spinner{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--warning);margin-right:6px;animation:pulse 1.5s ease infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim)}.empty-state h3{color:var(--text);margin-bottom:8px}.loading{display:flex;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-mute)}.section-header{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}.section-header h2{margin:0;font-size:22px;font-weight:700}.section-header .sub{color:var(--text-dim);font-size:13px}