:root{--primary:#2f80ed;--primary-hover:#1e5edc;--bg-start:#eaf3ff;--bg-end:#dff5e3;--card-bg:#fffffff2;--text-primary:#1e1e1e;--text-secondary:#6b7280;--accent:#10b981;--danger:#ef4444;--glass-border:#0000000d;--glass-shadow:0 4px 20px 0 #0000001a;--input-bg:#f3f4f6}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}body{background:linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);color:var(--text-primary);min-height:100vh;overflow-x:hidden}h1,h2,h3{letter-spacing:-.025em;font-weight:700}button{cursor:pointer;border:none;border-radius:12px;font-weight:600;transition:all .2s}input,textarea,select{background:var(--input-bg);border:1px solid var(--glass-border);color:var(--text-primary);border-radius:12px;outline:none;width:100%;padding:12px 16px;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--primary);background:#fff}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:20px}.btn-primary{background:linear-gradient(90deg, var(--primary) 0%, var(--primary-hover) 100%);color:#fff;padding:12px 24px}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2f80ed4d}.container{max-width:1200px;margin:0 auto;padding:2rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade{animation:.5s forwards fadeIn}.app-container{padding-top:5rem;padding-bottom:2rem}.navbar{z-index:1000;border-radius:16px;justify-content:space-between;align-items:center;width:90%;max-width:1100px;padding:.75rem 2rem;display:flex;position:fixed;top:1rem;left:50%;transform:translate(-50%)}.nav-logo{align-items:center;gap:.75rem;font-size:1.25rem;font-weight:800;display:flex}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.95rem;text-decoration:none;transition:color .2s;display:flex}.nav-link:hover{color:var(--text-primary)}.logout-btn{color:var(--danger);background:0 0;align-items:center;gap:.5rem;padding:.5rem 1rem;display:flex}.logout-btn:hover{background:#ef44441a}.page-container{max-width:1000px;margin:0 auto;padding:1rem}.page-header{margin-bottom:2rem}.page-header h1{font-size:2rem}.page-header p{color:var(--text-secondary);margin-top:.5rem}.form-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.form-group{margin-bottom:1.25rem}.form-group label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem;display:block}.nested-section{border-left:2px solid var(--primary);margin:2rem 0;padding-left:1.5rem}.nested-title{margin-bottom:1rem;font-size:1.1rem;font-weight:600}.product-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.product-card{flex-direction:column;padding:1.5rem;display:flex}.product-image{object-fit:cover;border-radius:12px;width:100%;height:180px;margin-bottom:1rem}.product-info h3{margin-bottom:.5rem}.product-info p{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem}.qr-section{justify-content:center;margin-top:auto;padding-top:1rem;display:flex}.login-wrapper{justify-content:center;align-items:center;height:80vh;display:flex}.login-card{width:100%;max-width:400px;padding:2.5rem}