@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--color-bg: #fafbfc;--color-surface: #ffffff;--color-primary: #6366f1;--color-primary-light: #818cf8;--color-primary-dark: #4f46e5;--color-text: #1f2937;--color-text-light: #6b7280;--color-text-lighter: #9ca3af;--color-border: #e5e7eb;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#fafbfc,#f3f4f6);color:var(--color-text);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-lighter)}.App{min-height:100vh;display:flex;flex-direction:column}.dashboard-layout{display:flex;min-height:calc(100vh - 80px);margin-top:80px}.main-content{flex:1;padding:3rem 2rem;max-width:1400px;width:100%;margin:0 auto;overflow-y:auto;transition:all .4s cubic-bezier(.4,0,.2,1);animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);position:relative;overflow:hidden}.login-container:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 1px,transparent 1px);background-size:50px 50px;animation:float 20s infinite linear}@keyframes float{0%{transform:translate(0) rotate(0)}to{transform:translate(-50px,-50px) rotate(360deg)}}.login-box{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:3rem;border-radius:24px;box-shadow:var(--shadow-xl);width:100%;max-width:420px;border:1px solid rgba(255,255,255,.2);position:relative;z-index:1;animation:slideIn .5s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(-30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.login-box h1{color:var(--color-text);margin-bottom:2rem;text-align:center;font-size:2rem;font-weight:600;letter-spacing:-.5px}.login-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{color:var(--color-text-light);font-weight:500;font-size:.875rem;letter-spacing:.3px}.form-group input{padding:.875rem 1rem;border:1.5px solid var(--color-border);border-radius:12px;font-size:.95rem;transition:all .3s cubic-bezier(.4,0,.2,1);background:var(--color-surface);color:var(--color-text)}.form-group input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a;transform:translateY(-1px)}.btn{padding:.875rem 1.5rem;border:none;border-radius:12px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);letter-spacing:.3px;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{color:var(--color-error);font-size:.875rem;margin-top:.5rem;padding:.75rem;background:#ef44441a;border-radius:8px;border-left:3px solid var(--color-error)}.dashboard-header{background:#fffc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1.25rem 2.5rem;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:fixed;top:0;left:0;right:0;z-index:200;height:80px;border-bottom:1px solid var(--color-border);transition:all .3s ease}.header-left{display:flex;align-items:center;justify-content:flex-start}.header-title{color:var(--color-text);font-size:1.5rem;font-weight:600;margin:0;text-align:center;grid-column:2;letter-spacing:-.5px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dashboard-header h1{color:var(--color-text);font-size:1.5rem;margin:0}.btn-menu{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;padding:.625rem 1.25rem;border:none;border-radius:10px;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);letter-spacing:.3px}.btn-menu:hover{transform:translateY(-2px);box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-menu:active{transform:translateY(0)}.user-info{display:flex;align-items:center;gap:1rem;justify-content:flex-end}.user-info span{color:var(--color-text-light);font-weight:500;font-size:.9rem}.btn-logout{background:var(--color-error);color:#fff;padding:.625rem 1.25rem;border:none;border-radius:10px;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.btn-logout:hover{background:#dc2626;transform:translateY(-2px);box-shadow:var(--shadow-md)}.sidebar{width:auto;min-width:fit-content;max-width:200px;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-lg);position:fixed;left:-300px;top:80px;height:calc(100vh - 80px);overflow-y:auto;z-index:150;transition:left .4s cubic-bezier(.4,0,.2,1);border-right:1px solid var(--color-border)}.sidebar.open{left:0}.sidebar-overlay{position:fixed;inset:80px 0 0;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:140;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar-nav{padding:1.5rem 0}.sidebar-list{list-style:none;padding:0;margin:0}.sidebar-list li{margin:0}.sidebar-link{display:flex;align-items:center;gap:.75rem;color:var(--color-text-light);text-decoration:none;font-weight:500;padding:1rem 1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);border-left:3px solid transparent;white-space:nowrap;min-width:fit-content;position:relative;font-size:.9rem}.sidebar-link:before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));transition:width .3s ease;border-radius:0 4px 4px 0}.sidebar-link:hover{color:var(--color-primary);background:#6366f10d;padding-left:1.75rem}.sidebar-link:hover:before{width:3px}.sidebar-link.active{color:var(--color-primary);background:#6366f11a;border-left-color:var(--color-primary);font-weight:600;padding-left:1.75rem}.sidebar-link.active:before{width:3px}.sidebar-icon{font-size:1.2rem;width:24px;text-align:center;transition:transform .3s ease}.sidebar-link:hover .sidebar-icon{transform:scale(1.1)}.kpis-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:3rem;animation:fadeInUp .6s ease-out .2s both}.kpi-card{background:var(--color-surface);padding:2rem;border-radius:20px;box-shadow:var(--shadow-md);transition:all .4s cubic-bezier(.4,0,.2,1);border:1px solid var(--color-border);position:relative;overflow:hidden}.kpi-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));transform:scaleX(0);transform-origin:left;transition:transform .4s ease}.kpi-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-xl),var(--shadow-glow);border-color:#6366f14d}.kpi-card:hover:before{transform:scaleX(1)}.kpi-title{color:var(--color-text-light);font-size:.8rem;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:1px;font-weight:600}.kpi-value{color:var(--color-text);font-size:2.5rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-1px;background:linear-gradient(135deg,var(--color-text) 0%,var(--color-text-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.kpi-subtitle{color:var(--color-text-lighter);font-size:.875rem;font-weight:400}.kpi-card.sales:before{background:linear-gradient(90deg,#3b82f6,#60a5fa)}.kpi-card.items:before{background:linear-gradient(90deg,var(--color-success),#34d399)}.kpi-card.revenue:before{background:linear-gradient(90deg,var(--color-warning),#fbbf24)}.product-form-container{background:var(--color-surface);padding:2.5rem;border-radius:24px;box-shadow:var(--shadow-lg);max-width:800px;margin:0 auto;border:1px solid var(--color-border);animation:fadeInUp .6s ease-out}.product-form{display:flex;flex-direction:column;gap:1.5rem}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--color-border)}.btn-secondary{background:var(--color-text-lighter);color:#fff;box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--color-text-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.products-list{background:var(--color-surface);padding:2.5rem;border-radius:24px;box-shadow:var(--shadow-lg);border:1px solid var(--color-border);animation:fadeInUp .6s ease-out}.products-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--color-border)}.products-header h2{color:var(--color-text);font-size:1.75rem;font-weight:600;letter-spacing:-.5px}.products-table{width:100%;border-collapse:separate;border-spacing:0}.products-table th,.products-table td{padding:1.25rem 1rem;text-align:left;border-bottom:1px solid var(--color-border)}.products-table th{background:#6366f10d;color:var(--color-text-light);font-weight:600;text-transform:uppercase;font-size:.75rem;letter-spacing:1px;position:sticky;top:0;z-index:10}.products-table tbody tr{transition:all .2s ease}.products-table tbody tr:hover{background:#6366f108;transform:translate(4px)}.products-table tbody tr:last-child td{border-bottom:none}.btn-edit,.btn-delete{padding:.5rem 1rem;border:none;border-radius:8px;cursor:pointer;font-size:.8rem;font-weight:500;margin-right:.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.btn-edit{background:linear-gradient(135deg,#3b82f6,#60a5fa);color:#fff}.btn-edit:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-delete{background:linear-gradient(135deg,var(--color-error),#f87171);color:#fff}.btn-delete:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.loading{text-align:center;padding:3rem;color:var(--color-text-light);font-size:1rem;font-weight:500}.main-content h2{color:var(--color-text);font-size:2rem;font-weight:600;margin-bottom:2rem;letter-spacing:-.5px;animation:fadeInUp .6s ease-out}.error-container{background:#ef44441a;color:var(--color-error);padding:1rem 1.5rem;border-radius:12px;margin-bottom:1.5rem;border-left:4px solid var(--color-error);animation:shake .5s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.sales-container{display:flex;flex-direction:column;gap:1.5rem;animation:fadeInUp .6s ease-out}.sale-card{background:var(--color-surface);padding:2rem;border-radius:16px;box-shadow:var(--shadow-md);border:1px solid var(--color-border);transition:all .3s cubic-bezier(.4,0,.2,1)}.sale-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#6366f14d}.sale-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--color-border)}.sale-info h3{color:var(--color-text);font-size:1.5rem;font-weight:600;margin:0 0 .5rem;letter-spacing:-.5px}.sale-date{color:var(--color-text-light);font-size:.9rem;font-weight:500}.sale-total{text-align:right}.sale-total strong{color:var(--color-primary);font-size:1.75rem;font-weight:700;letter-spacing:-.5px}.sale-client{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem;padding:1rem;background:#6366f10d;border-radius:12px;border-left:4px solid var(--color-primary)}.client-info{display:flex;gap:.75rem;align-items:center}.client-info strong{color:var(--color-text-light);font-size:.9rem;font-weight:600;min-width:80px}.client-info span{color:var(--color-text);font-size:.95rem;font-weight:500}.sale-items{margin-top:1rem}.sale-items h4{color:var(--color-text);font-size:1.1rem;font-weight:600;margin-bottom:1rem;letter-spacing:-.3px}.items-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.item-row{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--color-bg);border-radius:10px;border:1px solid var(--color-border);transition:all .2s ease}.item-row:hover{background:#6366f108;border-color:#6366f133;transform:translate(4px)}.item-name{color:var(--color-text);font-weight:500;font-size:.95rem;flex:1}.item-details{color:var(--color-text-light);font-size:.9rem;font-weight:500;text-align:right;white-space:nowrap;margin-left:1rem}