:root{--background:#0f172a;--foreground:#f8fafc;--primary:#3b82f6;--primary-foreground:#fff;--secondary:#1e293b;--secondary-foreground:#e2e8f0;--accent:#8b5cf6;--accent-foreground:#fff;--muted:#334155;--muted-foreground:#94a3b8;--card:#1e293b;--card-foreground:#f8fafc;--border:#334155;--input:#1e293b;--ring:#3b82f6;--radius:0.75rem;--glass-bg:rgba(30,41,59,.7);--glass-border:hsla(0,0%,100%,.1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--foreground);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.025em}.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-3{gap:.75rem}.gap-4{gap:1rem}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.w-full{width:100%}.min-h-screen{min-height:100vh}.text-center{text-align:center}.mb-4{margin-bottom:1rem}.mt-4{margin-top:1rem}@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}.md\:flex{display:flex}.md\:hidden{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius);font-weight:600;padding:.75rem 1.5rem;transition:all .2s;cursor:pointer;border:none;outline:none;font-size:.95rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--primary-foreground);box-shadow:0 4px 14px 0 rgba(59,130,246,.39)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px 0 rgba(59,130,246,.23)}.btn-secondary{background-color:hsla(0,0%,100%,.05);color:var(--foreground);border:1px solid var(--glass-border)}.btn-secondary:hover{background-color:hsla(0,0%,100%,.1)}.card{background-color:var(--card);border-radius:var(--radius);border:1px solid var(--border);padding:1.5rem;transition:all .2s}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);padding:1.5rem}.glass-card,.input{border-radius:var(--radius)}.input{width:100%;border:1px solid var(--border);background-color:rgba(0,0,0,.2);color:var(--foreground);padding:.75rem 1rem;font-size:1rem;transition:border-color .2s}.input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px rgba(59,130,246,.2)}.navbar{position:fixed;top:0;left:0;right:0;height:70px;background:rgba(15,23,42,.8);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:100}.nav-container,.navbar{display:flex;align-items:center}.nav-container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem;justify-content:space-between}.nav-logo{font-size:1.5rem;font-weight:800;background:linear-gradient(90deg,#3b82f6,#8b5cf6);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.supermarket-card{background:rgba(30,41,59,.6);border:1px solid var(--glass-border);border-radius:var(--radius);padding:1.25rem;cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.supermarket-card:hover{background:rgba(30,41,59,.9);border-color:var(--primary);transform:translateY(-2px)}.supermarket-card.selected{border-color:var(--primary);background:rgba(59,130,246,.1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}