*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-0: #080c14;--bg-1: #0d1220;--bg-2: #111827;--bg-3: #1a2235;--bg-card: #111827;--border: rgba(99,179,237,.12);--border-hover: rgba(99,179,237,.28);--primary: #38bdf8;--primary-dim: rgba(56,189,248,.15);--primary-glow: rgba(56,189,248,.35);--accent: #818cf8;--accent-dim: rgba(129,140,248,.12);--green: #34d399;--green-dim: rgba(52,211,153,.12);--red: #f87171;--red-dim: rgba(248,113,113,.12);--yellow: #fbbf24;--yellow-dim: rgba(251,191,36,.12);--text-0: #f0f6ff;--text-1: #94a3b8;--text-2: #64748b;--radius: 14px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0,0,0,.4);--shadow-lg: 0 8px 40px rgba(0,0,0,.6)}html{scroll-behavior:smooth}body{font-family:DM Sans,sans-serif;background:var(--bg-0);color:var(--text-0);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5{font-family:Syne,sans-serif;line-height:1.2}a{color:inherit;text-decoration:none}input,select,textarea{font-family:DM 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.2s;cursor:pointer}.product-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:999;animation:fadeIn .2s ease}.modal{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;width:100%;max-width:460px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal h2{font-size:1.3rem;margin-bottom:1.5rem}.form-group{margin-bottom:1.1rem}.form-group label{display:block;font-size:.85rem;color:var(--text-1);margin-bottom:.4rem;font-weight:500}.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.88rem;margin-bottom:1rem}.alert-error{background:var(--red-dim);color:var(--red);border:1px solid rgba(248,113,113,.2)}.alert-success{background:var(--green-dim);color:var(--green);border:1px solid 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