:root{--primary: #0f172a;--secondary: #334155;--accent: #3b82f6;--accent-hover: #2563eb;--bg-light: #f8fafc;--text-main: #1e293b;--text-light: #64748b;--white: #ffffff;--danger: #ef4444;--success: #22c55e;--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--radius: .5rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-light);color:var(--text-main);line-height:1.5}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.grid{display:grid;gap:2rem}.grid-cols-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.text-center{text-align:center}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.mt-4{margin-top:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;transition:background-color .2s}.btn-primary{background-color:var(--primary);color:var(--white)}.btn-primary:hover{background-color:var(--secondary)}.btn-accent{background-color:var(--accent);color:var(--white)}.btn-accent:hover{background-color:var(--accent-hover)}.btn-danger{color:var(--danger);background:transparent}.btn-danger:hover{color:#b91c1c}.full-width{width:100%}.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0000001a}.input-field{width:100%;padding:.75rem;border:1px solid #cbd5e1;border-radius:var(--radius);margin-bottom:1rem;outline:none;transition:border-color .2s}.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f61a}.label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.5rem;color:var(--secondary)}.navbar{background-color:var(--primary);color:var(--white);padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.nav-brand{font-size:1.5rem;font-weight:700}.nav-links{display:flex;gap:1.5rem;align-items:center}.nav-link:hover{color:var(--accent)}.footer{background-color:var(--secondary);color:#cbd5e1;padding:2rem 0;margin-top:auto;text-align:center}.hero{background-color:var(--primary);color:var(--white);padding:4rem 2rem;border-radius:1rem;margin-bottom:3rem;text-align:center}.hero h1{font-size:2.5rem;margin-bottom:1rem}.product-image-container{height:250px;overflow:hidden;position:relative}.product-image{width:100%;height:100%;object-fit:cover;transition:transform .3s}.card:hover .product-image{transform:scale(1.05)}.product-content{padding:1.5rem}.product-price{font-size:1.25rem;font-weight:700;color:var(--accent)}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-success{background-color:#dcfce7;color:#166534}.badge-error{background-color:#fee2e2;color:#991b1b}.badge-warning{background-color:#fef9c3;color:#854d0e}.sidebar{width:250px;background-color:var(--primary);color:var(--white);height:100vh;position:fixed;left:0;top:0;display:flex;flex-direction:column}.main-content{margin-left:250px;padding:2rem;width:calc(100% - 250px)}.sidebar-btn{width:100%;text-align:left;padding:1rem;color:#cbd5e1;background:none;display:flex;align-items:center;gap:.75rem}.sidebar-btn:hover,.sidebar-btn.active{background-color:var(--secondary);color:var(--white)}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0;width:100%}.grid-cols-3{grid-template-columns:1fr}}