.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);padding:1rem}.auth-container{width:100%;max-width:420px}.auth-form{background:#ffffff0d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:2rem;box-shadow:0 20px 60px #0000004d}.auth-header{text-align:center;margin-bottom:2rem}.auth-logo{font-size:3rem;margin-bottom:1rem}.auth-header h1{font-size:1.75rem;font-weight:700;color:#fff;margin:0 0 .5rem}.auth-header p{color:#fff9;margin:0;font-size:.9rem}.auth-error{background:#ef444433;border:1px solid rgba(239,68,68,.5);color:#fca5a5;padding:.75rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.9rem;text-align:center}.auth-form .form-group{margin-bottom:1.25rem}.auth-form label{display:block;color:#fffc;font-size:.875rem;font-weight:500;margin-bottom:.5rem}.auth-form input[type=text],.auth-form input[type=email],.auth-form input[type=password],.auth-form input[type=tel]{width:100%;padding:.875rem 1rem;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#fff;font-size:1rem;transition:all .2s}.auth-form input:focus{outline:none;border-color:#3b82f6;background:#ffffff1a;box-shadow:0 0 0 3px #3b82f633}.auth-form input::placeholder{color:#fff6}.auth-form .form-group.checkbox{display:flex;align-items:center}.auth-form .form-group.checkbox label{display:flex;align-items:center;gap:.5rem;cursor:pointer;margin:0}.auth-form .form-group.checkbox input[type=checkbox]{width:18px;height:18px;accent-color:#3b82f6}.auth-form small{display:block;color:#ffffff80;font-size:.75rem;margin-top:.5rem}.btn-primary{width:100%;padding:1rem;background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;border-radius:12px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{width:100%;padding:1rem;background:#ffffff14;border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#ffffff26}.btn-link{background:none;border:none;color:#fff9;font-size:.9rem;cursor:pointer;padding:.5rem;margin-top:1rem;width:100%;text-align:center;transition:color .2s}.btn-link:hover{color:#fff}.btn-group{display:flex;gap:1rem;margin-top:1rem}.btn-group .btn-secondary,.btn-group .btn-primary{flex:1}.auth-divider{display:flex;align-items:center;margin:1.5rem 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:#ffffff26}.auth-divider span{padding:0 1rem;color:#fff6;font-size:.875rem}.auth-footer{text-align:center;margin-top:1.5rem;color:#fff9;font-size:.9rem}.auth-footer button{background:none;border:none;color:#3b82f6;font-size:.9rem;cursor:pointer;font-weight:600}.auth-footer button:hover{text-decoration:underline}.register-summary{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem;margin:1.5rem 0}.register-summary h3{margin:0 0 .75rem;font-size:.9rem;color:#fff9;text-transform:uppercase;letter-spacing:.05em}.register-summary p{margin:.5rem 0;font-size:.9rem;color:#fff}.register-summary strong{color:#fff9}.pin-form{text-align:center}.pin-display{display:flex;justify-content:center;gap:1rem;margin:2rem 0}.pin-dot{width:50px;height:50px;border-radius:12px;background:#ffffff14;border:2px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;transition:all .2s}.pin-dot.filled{background:#3b82f633;border-color:#3b82f6}.pin-keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;max-width:280px;margin:0 auto}.pin-key{aspect-ratio:1;border-radius:16px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#fff;font-size:1.5rem;font-weight:600;cursor:pointer;transition:all .15s}.pin-key:hover:not(:disabled){background:#ffffff26;transform:scale(1.05)}.pin-key:active:not(:disabled){transform:scale(.95)}.pin-key:disabled{opacity:0;cursor:default}.pin-key.delete{background:#ef444433;border-color:#ef44444d}.pin-key.delete:hover{background:#ef44444d}@media (max-width: 480px){.auth-form{padding:1.5rem}.auth-header h1{font-size:1.5rem}.pin-dot{width:45px;height:45px}.pin-keypad{max-width:240px}.pin-key{font-size:1.25rem}}.layout{display:flex;flex-direction:column;min-height:100vh}.layout-header{background:linear-gradient(135deg,var(--verde-mexico) 0%,var(--primary-dark) 100%);color:#fff;padding:var(--spacing-md);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto}.app-title{font-size:24px;font-weight:700;margin:0}.user-info{display:flex;align-items:center;gap:var(--spacing-md)}.header-separator{font-size:24px;opacity:.5;margin:0 var(--spacing-sm)}.user-name{font-weight:600}.user-role{background-color:#fff3;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-md);font-size:14px}.btn-logout{background-color:var(--rojo-mexico);color:#fff;padding:var(--spacing-sm) var(--spacing-md);min-height:36px}.btn-logout:hover{background-color:var(--secondary-dark)}.layout-nav{background-color:#fff;border-bottom:2px solid var(--border);padding:0 var(--spacing-md);display:flex;gap:var(--spacing-sm);overflow-x:auto;position:sticky;top:60px;z-index:99}.nav-link{padding:var(--spacing-md) var(--spacing-lg);text-decoration:none;color:var(--text-secondary);font-weight:500;border-bottom:3px solid transparent;white-space:nowrap;transition:all .2s ease}.nav-link:hover{color:var(--primary);background-color:#1e7e340d}.nav-link.active{color:var(--primary);border-bottom-color:var(--primary)}.layout-main{flex:1;padding:var(--spacing-lg);max-width:1400px;width:100%;margin:0 auto}@media (max-width: 768px){.app-title{font-size:18px}.user-info{gap:var(--spacing-sm);font-size:14px}.user-role{display:none}.btn-logout{min-width:auto;padding:var(--spacing-xs) var(--spacing-sm);font-size:14px}.layout-nav{gap:0;padding:0}.nav-link{padding:var(--spacing-md) var(--spacing-sm);font-size:14px}.layout-main{padding:var(--spacing-md)}}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--spacing-md);padding:var(--spacing-sm)}.product-tile{background-color:#fff;border:2px solid var(--border);border-radius:var(--radius-md);padding:var(--spacing-md);cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;text-align:center;min-height:180px}.product-tile:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.product-tile:active{transform:scale(.98)}.product-image{width:80px;height:80px;background:linear-gradient(135deg,var(--primary-light) 0%,var(--primary) 100%);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;margin-bottom:var(--spacing-sm);font-weight:700;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover}.product-info{flex:1;display:flex;flex-direction:column;justify-content:center;width:100%}.product-name{font-size:14px;font-weight:600;margin:0 0 var(--spacing-xs) 0;color:var(--text-primary);line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.product-price{font-size:20px;font-weight:700;color:var(--primary);margin:var(--spacing-xs) 0}.product-stock{font-size:12px;color:var(--text-secondary);margin:0}.empty-state{display:flex;align-items:center;justify-content:center;min-height:300px;color:var(--text-secondary);font-size:18px}@media (max-width: 768px){.product-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--spacing-sm)}.product-tile{min-height:150px;padding:var(--spacing-sm)}.product-image{width:60px;height:60px;font-size:30px}.product-name{font-size:12px}.product-price{font-size:16px}}.cart{background-color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);display:flex;flex-direction:column;height:100%;overflow:hidden}.cart-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:2px solid var(--border)}.cart-header h3{margin:0;font-size:18px;color:var(--primary)}.btn-clear{background-color:transparent;color:var(--error);border:1px solid var(--error);padding:var(--spacing-xs) var(--spacing-sm);min-height:32px;font-size:14px}.btn-clear:hover{background-color:var(--error);color:#fff}.cart-items{flex:1;overflow-y:auto;padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-md)}.cart-empty{text-align:center;padding:var(--spacing-xl) var(--spacing-md);color:var(--text-secondary)}.cart-empty p:first-child{font-size:32px;margin-bottom:var(--spacing-sm)}.cart-item{background-color:var(--background);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm)}.cart-item-info{display:flex;justify-content:space-between;align-items:flex-start}.cart-item-name{margin:0;font-size:14px;font-weight:600;color:var(--text-primary);flex:1}.cart-item-price{margin:0;font-size:12px;color:var(--text-secondary)}.cart-item-actions{display:flex;align-items:center;gap:var(--spacing-md);justify-content:space-between}.quantity-controls{display:flex;align-items:center;gap:var(--spacing-sm);background-color:#fff;border-radius:var(--radius-md);padding:var(--spacing-xs);border:1px solid var(--border)}.qty-btn{background-color:var(--primary);color:#fff;width:32px;height:32px;min-width:32px;min-height:32px;border-radius:50%;font-size:18px;font-weight:700;padding:0;display:flex;align-items:center;justify-content:center}.qty-btn:hover{background-color:var(--primary-dark)}.qty-display{font-weight:600;min-width:30px;text-align:center;font-size:16px}.cart-item-total{font-size:18px;font-weight:700;color:var(--primary);min-width:70px;text-align:right}.btn-remove{background-color:transparent;color:var(--error);padding:var(--spacing-xs);min-width:40px;min-height:40px;font-size:20px;border-radius:50%}.btn-remove:hover{background-color:#ffebee}.cart-footer{border-top:2px solid var(--border);padding:var(--spacing-md);background-color:var(--background);position:sticky;bottom:0;z-index:10;box-shadow:0 -4px 12px #0000001a}.cart-total{display:flex;justify-content:space-between;align-items:center}.total-label{font-size:18px;font-weight:600;color:var(--text-primary)}.total-amount{font-size:28px;font-weight:700;color:var(--primary)}@media (max-width: 968px){.cart-items{max-height:calc(40vh - 120px)}}@media (max-width: 768px){.cart-header h3{font-size:16px}.cart-item{padding:var(--spacing-sm)}.cart-item-name{font-size:13px}.qty-btn{width:28px;height:28px;min-width:28px;min-height:28px;font-size:16px}.qty-display{font-size:14px;min-width:25px}.cart-item-total{font-size:16px;min-width:60px}.total-label{font-size:16px}.total-amount{font-size:24px}}.scanner-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.scanner-container{background-color:#fff;border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.scanner-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:2px solid var(--border)}.scanner-header h3{margin:0;font-size:18px;color:var(--primary)}.btn-close{background-color:transparent;color:var(--text-secondary);font-size:24px;padding:0;min-width:40px;min-height:40px;border-radius:50%}.btn-close:hover{background-color:var(--background);color:var(--error)}.scanner-video-container{position:relative;background-color:#000;aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center}.scanner-video{width:100%;height:100%;object-fit:cover}.scanner-guide{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80%;max-width:300px;height:100px;border:3px solid var(--success);border-radius:var(--radius-md);pointer-events:none}.scanner-line{position:absolute;top:50%;left:0;right:0;height:2px;background-color:var(--success);box-shadow:0 0 10px var(--success);animation:scan 2s linear infinite}@keyframes scan{0%,to{transform:translateY(-50px)}50%{transform:translateY(50px)}}.scanner-hint{position:absolute;bottom:var(--spacing-md);left:0;right:0;text-align:center;color:#fff;background-color:#000000b3;padding:var(--spacing-sm);font-size:14px}.scanner-error{padding:var(--spacing-xl);text-align:center;color:var(--error);background-color:#ffebee;display:flex;flex-direction:column;gap:var(--spacing-sm)}.scanner-manual{padding:var(--spacing-md);border-top:2px solid var(--border);background-color:var(--background)}.manual-form{display:flex;gap:var(--spacing-sm)}.manual-input{flex:1}@media (max-width: 768px){.scanner-overlay{padding:0}.scanner-container{max-width:none;max-height:none;height:100vh;border-radius:0}.scanner-video-container{flex:1}}.payment-cash{display:flex;flex-direction:column;gap:var(--spacing-lg)}.btn-back{background-color:transparent;color:var(--primary);border:1px solid var(--primary);align-self:flex-start;min-height:36px}.btn-back:hover{background-color:var(--primary);color:#fff}.cash-input-section{text-align:center}.cash-label{font-size:16px;font-weight:600;color:var(--text-secondary);display:block;margin-bottom:var(--spacing-sm)}.cash-display{font-size:48px;font-weight:700;color:var(--primary);padding:var(--spacing-lg);background-color:var(--background);border-radius:var(--radius-lg);border:2px solid var(--border);min-height:80px;display:flex;align-items:center;justify-content:center}.quick-amounts{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:var(--spacing-sm)}.quick-amount-btn{background-color:var(--success);color:#fff;padding:var(--spacing-md);font-size:16px;font-weight:600;min-height:44px}.quick-amount-btn:hover{background-color:#388e3c}.cash-numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;max-width:240px;margin:0 auto}.numpad-btn{aspect-ratio:1;font-size:20px;font-weight:600;background-color:var(--background);color:var(--text-primary);border:1px solid var(--border);min-height:60px;max-height:60px;border-radius:10px;padding:0}.numpad-btn:hover{background-color:var(--primary-light);color:#fff;border-color:var(--primary)}.numpad-btn:active{transform:scale(.95)}.clear-btn{background-color:var(--warning);color:#fff;border-color:var(--warning)}.clear-btn:hover{background-color:#f57c00}.change-display{background-color:var(--background);border-radius:var(--radius-lg);padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-sm)}.change-row{display:flex;justify-content:space-between;align-items:center;font-size:16px}.change-row.total-change{padding-top:var(--spacing-md);border-top:2px solid var(--border);font-size:30px;font-weight:700}.change-value.negative{color:var(--error)}.change-value.positive{color:var(--success);animation:blink 1s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.4}}.btn-complete-payment{margin-top:var(--spacing-md)}@media (max-width: 768px){.cash-display{font-size:36px;min-height:60px}.numpad-btn{font-size:16px;min-height:48px;max-height:48px}.cash-numpad{max-width:200px}.quick-amounts{grid-template-columns:repeat(auto-fit,minmax(60px,1fr))}.change-row.total-change{font-size:24px}}.payment-qr{display:flex;flex-direction:column;gap:var(--spacing-lg)}.qr-section{display:flex;flex-direction:column;gap:var(--spacing-md);align-items:center}.qr-section h3{margin:0;font-size:18px;color:var(--text-primary);text-align:center}.qr-container{background-color:#fff;padding:var(--spacing-lg);border-radius:var(--radius-lg);border:3px solid var(--primary);box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.qr-code{width:100%;max-width:300px;height:auto;border-radius:var(--radius-md)}.qr-amount{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.qr-amount-label{font-size:14px;color:var(--text-secondary)}.qr-amount-value{font-size:32px;font-weight:700;color:var(--primary)}.qr-loading{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl)}.qr-instructions{background-color:var(--background);padding:var(--spacing-md);border-radius:var(--radius-md);width:100%;max-width:400px}.qr-instructions h4{margin:0 0 var(--spacing-sm) 0;font-size:16px;color:var(--text-primary)}.qr-instructions ol{margin:0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xs)}.qr-instructions li{font-size:14px;color:var(--text-secondary);line-height:1.5}.qr-options{text-align:center;padding:var(--spacing-md);background-color:#e3f2fd;border-radius:var(--radius-md);width:100%;max-width:400px}.qr-actions{display:flex;flex-direction:column;gap:var(--spacing-md);margin-top:var(--spacing-lg)}.confirmation-message{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background-color:#e8f5e9;border-radius:var(--radius-md)}.confirmation-message p{margin:0;color:var(--success);font-weight:600}@media (max-width: 768px){.qr-code{max-width:250px}.qr-amount-value{font-size:24px}.qr-instructions{font-size:13px}}.payment-link,.link-generation{display:flex;flex-direction:column;gap:var(--spacing-lg)}.link-info h3{margin:0 0 var(--spacing-sm) 0;font-size:20px;color:var(--primary)}.link-info p{color:var(--text-secondary);line-height:1.5}.order-summary{background-color:var(--background);padding:var(--spacing-md);border-radius:var(--radius-md);margin-top:var(--spacing-md)}.order-summary h4{margin:0 0 var(--spacing-sm) 0;font-size:16px;color:var(--text-primary)}.order-items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-xs)}.order-items li{display:flex;justify-content:space-between;font-size:14px;color:var(--text-secondary)}.order-total{display:flex;justify-content:space-between;margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:2px solid var(--border);font-size:18px;font-weight:700;color:var(--primary)}.link-generated{display:flex;flex-direction:column;gap:var(--spacing-lg);align-items:center;text-align:center}.success-icon{font-size:64px;animation:scaleIn .3s ease}@keyframes scaleIn{0%{transform:scale(0)}to{transform:scale(1)}}.link-generated h3{margin:0;font-size:20px;color:var(--success)}.link-display{display:flex;gap:var(--spacing-sm);width:100%}.link-input{flex:1;background-color:var(--background);border:2px solid var(--border);font-family:monospace;font-size:14px;text-align:center}.btn-copy{background-color:var(--info);color:#fff;white-space:nowrap}.btn-copy:hover{background-color:#1976d2}.share-options{width:100%}.btn-whatsapp{width:100%;background:linear-gradient(135deg,#25d366,#128c7e);color:#fff;padding:var(--spacing-md) var(--spacing-lg);font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:56px}.btn-whatsapp:hover{background:linear-gradient(135deg,#128c7e,#075e54)}.whatsapp-icon{font-size:24px}.link-instructions{background-color:#e3f2fd;padding:var(--spacing-md);border-radius:var(--radius-md);width:100%;text-align:left}.link-instructions h4{margin:0 0 var(--spacing-sm) 0;font-size:16px;color:var(--text-primary)}.link-instructions ol{margin:0;padding-left:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-xs)}.link-instructions li{font-size:14px;color:var(--text-secondary);line-height:1.5}.link-actions{width:100%;display:flex;flex-direction:column;gap:var(--spacing-sm);margin-top:var(--spacing-md)}@media (max-width: 768px){.link-input{font-size:12px}.btn-whatsapp{font-size:16px;min-height:50px}}.checkout-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.checkout-dialog{background-color:#fff;border-radius:var(--radius-xl);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.checkout-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:2px solid var(--border);position:sticky;top:0;background-color:#fff;z-index:1}.checkout-header h2{margin:0;font-size:24px;color:var(--primary)}.checkout-total{padding:var(--spacing-xl);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;display:flex;justify-content:space-between;align-items:center;font-size:20px}.total-display{font-size:36px;font-weight:700}.payment-methods{padding:var(--spacing-lg)}.payment-methods h3{margin:0 0 var(--spacing-lg) 0;color:var(--text-primary);font-size:18px}.payment-method-btn{width:100%;display:flex;flex-direction:column;align-items:flex-start;padding:var(--spacing-lg);margin-bottom:var(--spacing-md);background-color:#fff;border:2px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s ease;text-align:left;min-height:auto}.payment-method-btn:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.payment-method-btn.cash:hover{background:linear-gradient(135deg,#e8f5e9,#c8e6c9)}.payment-method-btn.qr:hover{background:linear-gradient(135deg,#e3f2fd,#bbdefb)}.payment-method-btn.link:hover{background:linear-gradient(135deg,#fff3e0,#ffe0b2)}.method-icon{font-size:40px;margin-bottom:var(--spacing-sm)}.method-name{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.method-desc{font-size:14px;color:var(--text-secondary)}.payment-content{padding:var(--spacing-lg)}@media (max-width: 768px){.checkout-overlay{padding:0}.checkout-dialog{max-width:none;max-height:none;height:100vh;border-radius:0}.checkout-header h2{font-size:20px}.checkout-total{font-size:18px}.total-display{font-size:28px}.method-icon{font-size:32px}.method-name{font-size:18px}}.checkout-dialog 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