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var(--transition-normal)}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:90}@media(max-width:768px){.sidebar-overlay.active{display:block}.mobile-menu-toggle{display:flex!important}}@media(max-width:768px){.sidebar-overlay.active{display:block}}.main-header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.main-header h2{font-size:var(--font-size-lg);font-weight:600}.header-actions{display:flex;align-items:center;gap:var(--space-3)}.main-page{padding:var(--space-6);max-width:1400px}.main-page:has(.pos-layout){max-width:none!important;width:100%!important;padding:var(--space-3)!important}.card{background:var(--bg-card);border:1px solid 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h1{font-size:var(--font-size-2xl);font-weight:700;color:#fff}.login-logo p{color:var(--text-tertiary);font-size:var(--font-size-sm);margin-top:var(--space-2)}.login-form .form-input{background:#16213e99;border-color:#6366f133;color:#e2e8f0;padding:var(--space-3) var(--space-4)}.login-form .form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.login-form .form-label{color:#94a3b8}.login-btn{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-md);margin-top:var(--space-4)}.login-error{background:#ef44441f;color:var(--danger-light);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--font-size-sm);text-align:center;margin-bottom:var(--space-4)}.alerts-panel{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-5);margin-bottom:var(--space-5)}.alert-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-md);margin-bottom:var(--space-2)}.alert-item.warning{background:#f59e0b14}.alert-item.danger{background:#ef444414}.empty-state{text-align:center;padding:var(--space-10) var(--space-6);color:var(--text-tertiary)}.empty-state svg{width:64px;height:64px;margin-bottom:var(--space-4);opacity:.5}.empty-state h3{font-size:var(--font-size-lg);font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-2)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-5);flex-wrap:wrap}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:var(--space-3)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.theme-toggle{width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}@media(max-width:768px){.pos-layout{grid-template-columns:1fr;height:auto}.pos-cart{height:500px}.sidebar{transform:translate(-100%);width:var(--sidebar-width);box-shadow:var(--shadow-xl)}.sidebar.mobile-open{transform:translate(0)}.main-content{margin-left:0}.sidebar.mobile-open .sidebar-brand h1,.sidebar.mobile-open .sidebar-brand span,.sidebar.mobile-open .nav-item span,.sidebar.mobile-open .nav-section-title,.sidebar.mobile-open .sidebar-user-info{display:block}.stats-grid{grid-template-columns:repeat(2,1fr)}.toolbar{flex-direction:column;align-items:stretch}.grid-2-1{grid-template-columns:1fr!important}.hide-mobile{display:none!important}}.cash-close-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:var(--space-6)}.methods-grid,.arqueo-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media(max-width:1024px){.cash-close-grid{grid-template-columns:1fr}}@media(max-width:900px){.methods-grid{grid-template-columns:1fr}}@media(max-width:600px){.arqueo-grid{grid-template-columns:1fr}.arqueo-item-usd{border-right:none!important;border-bottom:1px solid var(--border-color);padding-bottom:15px}.cash-close-subtotal{font-size:12px!important}}@media(max-width:480px){.stats-grid{grid-template-columns:1fr}.main-page{padding:var(--space-4)}}.notification-bell{position:relative}.notification-count{position:absolute;top:-4px;right:-4px;width:18px;height:18px;background:var(--danger);color:#fff;border-radius:var(--radius-full);font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center}.payment-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-3);margin-bottom:var(--space-4)}.payment-method-btn{padding:var(--space-3);border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-secondary);cursor:pointer;text-align:center;font-size:var(--font-size-sm);font-weight:500;transition:all var(--transition-fast);display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.payment-method-btn:hover{border-color:var(--primary-light)}.payment-method-btn.active{border-color:var(--primary);background:#6366f11a;color:var(--primary)}.payment-method-btn svg{width:24px;height:24px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}@media(max-width:480px){.form-grid{grid-template-columns:1fr}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}kbd.teclaAtajo{background:#2d2d3d;color:#fff;border:1px solid #4a4a5a;border-radius:4px;padding:1px 5px;font-family:Courier New,Courier,monospace;font-size:.7rem;font-weight:700;box-shadow:0 2px #111;margin:0 4px;display:inline-flex;align-items:center;line-height:1;vertical-align:middle}