*{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #020617;--bg-secondary: #0f172a;--bg-card: rgba(255, 255, 255, .05);--bg-card-hover: rgba(255, 255, 255, .08);--border-color: rgba(255, 255, 255, .1);--border-hover: rgba(255, 255, 255, .2);--text-primary: #e2e8f0;--text-secondary: rgba(255, 255, 255, .5);--text-muted: rgba(255, 255, 255, .3);--brand-400: #818cf8;--brand-500: #6366f1;--brand-600: #4f46e5;--brand-glow: rgba(99, 102, 241, .25);--emerald-400: #34d399;--emerald-500: #10b981;--red-400: #f87171;--red-500: #ef4444;--orange-400: #fb923c;--purple-400: #a78bfa;--purple-500: #8b5cf6}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;background-image:radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.04) 0%,transparent 50%),radial-gradient(ellipse at 40% 80%,rgba(59,130,246,.03) 0%,transparent 50%)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#334155;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#475569}.nav{background:#020617cc;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.nav-brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;color:var(--text-primary)}.nav-logo{font-size:24px;display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--brand-500),var(--purple-500));border-radius:12px;box-shadow:0 4px 12px var(--brand-glow)}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{text-decoration:none;color:var(--text-secondary);padding:8px 16px;border-radius:12px;font-size:14px;font-weight:500;transition:all 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p{font-size:13px;color:var(--text-secondary);margin-top:4px}.cart-item-price{font-size:17px;font-weight:800;background:linear-gradient(135deg,var(--brand-400),var(--purple-400));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.cart-summary{background:var(--bg-card);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--border-color);border-radius:20px;padding:24px;margin-top:20px;box-shadow:0 4px 16px #0003}.cart-summary-row{display:flex;justify-content:space-between;padding:10px 0;font-size:14px;color:var(--text-secondary)}.cart-summary-row span:last-child{color:var(--text-primary);font-weight:600}.cart-summary-row.total{border-top:1px solid var(--border-color);margin-top:10px;padding-top:18px;font-weight:800;font-size:20px;color:var(--text-primary)}.cart-summary-row.total 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dot-blink{0%,to{opacity:1}50%{opacity:.4}}@media (max-width: 640px){.stats-grid{grid-template-columns:1fr}.auth-card{padding:28px}.cart-item{flex-direction:column;gap:12px;align-items:flex-start}.nav{padding:0 16px}.nav-links{gap:2px}.nav-links a{padding:6px 10px;font-size:13px}}