:root{--primary: #e11d48;--primary-dark: #be123c;--primary-light: #fff1f2;--secondary: #f59e0b;--secondary-dark: #b45309;--nav-bg: #0f172a;--nav-text: #94a3b8;--text-dark: #1e293b;--text-muted: #64748b;--bg-app: #f1f5f9;--border: #e2e8f0;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--radius: 16px;--shadow: 0 10px 15px -3px rgba(0, 0, 0, .1)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;font-family:Outfit,Inter,sans-serif;background-color:var(--bg-app);color:var(--text-dark);padding-bottom:90px}main{max-width:1200px;margin:0 auto;padding:24px}.card{background:white;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:20px;transition:all .2s cubic-bezier(.4,0,.2,1)}.touch-card:active{transform:scale(.95);box-shadow:0 2px 4px #0000001a;background-color:#f8fafc}.grid-responsive{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:20px}.btn{padding:12px 20px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;font-size:.9rem}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #e11d4863}.btn-primary:active{transform:scale(.96)}.btn-outline{background:white;border-color:var(--border);color:var(--text-dark)}.btn-ghost{background:transparent;border:none;color:var(--text-muted)}.bottom-nav{position:fixed;bottom:12px;left:12px;right:12px;background:var(--nav-bg);display:flex;justify-content:space-around;padding:10px 0;border-radius:20px;box-shadow:0 20px 25px -5px #0000004d;z-index:1000}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;color:var(--nav-text);font-size:.7rem;font-weight:600;cursor:pointer;width:18%;transition:all .3s;opacity:.7}.nav-item.active{color:#fff;opacity:1;transform:translateY(-4px)}.nav-item.active svg{color:var(--primary);filter:drop-shadow(0 0 5px var(--primary))}@keyframes pulse-red{0%{transform:scale(1);filter:drop-shadow(0 0 0px var(--danger))}50%{transform:scale(1.1);filter:drop-shadow(0 0 10px var(--danger));color:#fff}to{transform:scale(1);filter:drop-shadow(0 0 0px var(--danger))}}.nav-alert{animation:pulse-red 1.5s infinite;opacity:1;color:var(--danger)}.badge{padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:800}.badge-danger{background:#fee2e2;color:#991b1b}.badge-warning{background:#fffbeb;color:#92400e}.badge-success{background:#d1fae5;color:#065f46}.price{color:var(--primary);font-weight:900;font-size:1.1rem}.input-group{margin-bottom:20px}.input-group label{display:block;font-size:.85rem;font-weight:800;margin-bottom:8px;color:var(--text-dark)}.input-group input,.input-group select{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);font-size:1rem;background:#f8fafc}.category-title{font-size:1.25rem;font-weight:900;margin:32px 0 20px;color:var(--text-dark);display:flex;align-items:center;gap:12px}.category-title:after{content:"";flex:1;height:2px;background:var(--border)}.notifications{position:fixed;top:20px;right:20px;z-index:2000}.notification{padding:16px 24px;border-radius:16px;background:white;box-shadow:var(--shadow);border-left:6px solid var(--primary);font-weight:700;margin-bottom:10px}.fade-in{animation:fadeIn .4s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.item-card{display:flex;flex-direction:column;justify-content:space-between;gap:16px;padding:20px}.ventas-layout{display:flex;gap:32px}.ventas-sidebar{flex:1;min-width:0;overflow-x:hidden}.ventas-main{flex:2.8;min-width:0}@media (max-width: 900px){.ventas-layout{flex-direction:column}.ventas-sidebar{order:2}.ventas-main{order:1}}@media print{body>*{visibility:hidden}#print-area,#print-area *{visibility:visible!important}#print-area{position:absolute!important;left:0!important;top:0!important;width:100%!important;padding:0!important;margin:0!important;background:white!important;font-family:monospace!important}@page{margin:0}}