:root{--bg-base: hsl(222, 47%, 9%);--bg-surface: hsl(222, 47%, 14%);--bg-card: hsl(222, 47%, 18%);--border-color: hsl(217, 32%, 22%);--border-glow: hsl(262, 80%, 40%, .3);--primary: hsl(262, 83%, 62%);--primary-hover: hsl(262, 83%, 68%);--secondary: hsl(199, 89%, 48%);--secondary-hover: hsl(199, 89%, 55%);--success: hsl(142, 70%, 50%);--success-hover: hsl(142, 70%, 58%);--danger: hsl(0, 84%, 60%);--danger-hover: hsl(0, 84%, 66%);--text-primary: hsl(210, 40%, 98%);--text-secondary: hsl(215, 20%, 75%);--text-muted: hsl(215, 15%, 55%);--font-sans: "Outfit", sans-serif;--transition-smooth: all .25s cubic-bezier(.4, 0, .2, 1);--border-radius: 12px;--box-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--auth-bg: radial-gradient(circle at 10% 20%, hsl(262, 80%, 15%) 0%, var(--bg-base) 90%);--bg-surface-auth: rgba(30, 41, 59, .7);--hover-bg: rgba(255, 255, 255, .04);--table-hover-bg: rgba(255, 255, 255, .02);--summary-card-bg: linear-gradient(180deg, var(--bg-surface) 0%, hsl(222, 47%, 12%) 100%)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);overflow-x:hidden;min-height:100vh}h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em}p{color:var(--text-secondary)}a{text-decoration:none;color:var(--secondary);transition:var(--transition-smooth)}a:hover{color:var(--secondary-hover)}.hide{display:none!important}.mt-15{margin-top:15px}.text-center{text-align:center}.btn-primary,.btn-secondary,.btn-success,.btn-dark,.btn-danger-outline{font-family:var(--font-sans);font-weight:500;font-size:.95rem;padding:10px 18px;border-radius:var(--border-radius);border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition-smooth)}.btn-primary{background:linear-gradient(135deg,var(--primary),hsl(280,80%,50%));color:#fff;box-shadow:0 4px 14px #9333ea66}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #9333ea99}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--border-color);color:#fff}.btn-success{background:linear-gradient(135deg,var(--success),hsl(150,70%,40%));color:#fff;box-shadow:0 4px 14px #10b98166}.btn-success:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98199}.btn-dark{background-color:#0b111e;color:var(--text-primary);border:1px solid var(--border-color)}.btn-dark:hover{background-color:var(--bg-surface)}.btn-danger-outline{background-color:transparent;border:1px solid var(--danger);color:var(--danger)}.btn-danger-outline:hover{background-color:var(--danger);color:#fff}.btn-block{display:flex;width:100%}.btn-lg{padding:14px 24px;font-size:1.1rem}.form-group{margin-bottom:15px}label{display:block;font-size:.85rem;font-weight:500;margin-bottom:6px;color:var(--text-secondary)}input[type=text],input[type=email],input[type=password],input[type=number],select{width:100%;padding:11px 14px;border-radius:var(--border-radius);border:1px solid var(--border-color);background-color:var(--bg-surface);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;outline:none;transition:var(--transition-smooth)}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--border-glow)}.form-row{display:flex;gap:15px}.form-row .form-group{flex:1}.flex-2{flex:2}.flex-3{flex:3}.checkbox-group label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:.9rem}.checkbox-group input{width:16px;height:16px;accent-color:var(--primary)}.radio-group{display:flex;gap:15px;margin-top:5px}.radio-group label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}.radio-group input{accent-color:var(--primary)}.input-action-group{display:flex;gap:8px}.input-action-group input{flex:1}.auth-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:var(--auth-bg);color:var(--text-primary)}.auth-card{background:var(--bg-surface-auth);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:20px;padding:40px;width:100%;max-width:420px;box-shadow:var(--box-shadow);animation:fadeIn .4s ease-out}.auth-header{text-align:center;margin-bottom:30px}.logo-placeholder{font-size:32px;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:10px}.auth-header h2{font-size:1.8rem;margin-bottom:5px;color:var(--text-primary)}.auth-header p{font-size:.85rem;color:var(--text-secondary)}.error-msg{background-color:#ef444426;border:1px solid var(--danger);color:var(--danger);padding:10px;border-radius:var(--border-radius);font-size:.85rem;margin-bottom:15px}.app-layout{display:flex;min-height:100vh;background-color:var(--bg-base);color:var(--text-primary)}.sidebar{width:260px;background-color:var(--bg-surface);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:20px 0;flex-shrink:0}.sidebar-header{padding:0 20px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:12px}.logo-icon{font-size:24px;background:linear-gradient(135deg,var(--primary),var(--secondary));padding:6px;border-radius:8px;color:#fff}.sidebar-header h3{font-size:1rem;line-height:1.2}.sidebar-header p{font-size:.75rem;color:var(--text-muted)}.sidebar-menu{flex:1;padding:20px}.sidebar-menu ul{list-style:none}.menu-item{padding:12px 16px;border-radius:var(--border-radius);cursor:pointer;font-weight:500;color:var(--text-secondary);display:flex;align-items:center;gap:10px;margin-bottom:6px;transition:var(--transition-smooth)}.menu-item:hover{background-color:var(--hover-bg);color:var(--text-primary)}.menu-item.active{background-color:var(--primary);color:#fff;box-shadow:0 4px 12px #9333ea4d}.sidebar-footer{padding:20px;border-top:1px solid var(--border-color)}.main-content{flex:1;padding:30px;overflow-y:auto}.view-header{margin-bottom:30px;border-bottom:1px solid var(--border-color);padding-bottom:15px}.view-header h2{font-size:2rem;margin-bottom:4px}.view-header p{font-size:.95rem;color:var(--text-secondary)}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:30px}.metric-card{border-radius:var(--border-radius);padding:24px;display:flex;align-items:center;gap:20px;border:1px solid var(--border-color);box-shadow:var(--box-shadow)}.card-purple{background:linear-gradient(135deg,hsl(262,80%,20%),hsl(262,80%,12%));border-left:4px solid var(--primary)}.card-blue{background:linear-gradient(135deg,hsl(199,80%,20%),hsl(199,80%,12%));border-left:4px solid var(--secondary)}.card-orange{background:linear-gradient(135deg,hsl(24,80%,20%),hsl(24,80%,12%));border-left:4px solid var(--danger)}.metric-icon{font-size:36px}.metric-info .metric-label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase}.metric-info h3{font-size:1.8rem;margin-top:4px}.dashboard-details{display:grid;grid-template-columns:1fr 1fr;gap:25px}.details-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:24px;box-shadow:var(--box-shadow)}.details-card h3{font-size:1.1rem;margin-bottom:20px;color:var(--text-primary)}.chart-container{height:200px;display:flex;align-items:center;justify-content:center}.simple-chart{width:100%;height:100%}.table-wrapper{overflow-x:auto;width:100%}table{width:100%;border-collapse:collapse;font-size:.9rem;text-align:left}th{padding:12px;background-color:var(--bg-card);font-weight:600;color:var(--text-primary);border-bottom:2px solid var(--border-color)}td{padding:12px;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}tr:hover td{background-color:var(--table-hover-bg)}.badge{padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;display:inline-block}.badge-success{background-color:#10b98126;color:var(--success);border:1px solid var(--success)}.badge-danger{background-color:#ef444426;color:var(--danger);border:1px solid var(--danger)}.badge-warning{background-color:#f59e0b26;color:#f59e0b;border:1px solid #f59e0b}.pos-layout{display:grid;grid-template-columns:1fr 320px;gap:20px}.pos-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:20px;box-shadow:var(--box-shadow)}.pos-card h3{font-size:1rem;margin-bottom:15px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.customer-form-inline{display:flex;flex-direction:column;gap:10px}.serial-input{margin-top:4px;padding:6px 10px!important;font-size:.75rem!important;border-color:var(--secondary)!important}.summary-card{height:fit-content;border:1px solid var(--primary);background:var(--summary-card-bg)}.summary-row{display:flex;justify-content:space-between;margin-bottom:12px;font-size:.9rem;color:var(--text-secondary);align-items:center}.summary-input{width:80px;padding:4px 8px!important;text-align:right;font-size:.85rem!important}.summary-divider{border:none;border-bottom:1px solid var(--border-color);margin:15px 0}.total-row{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.inventory-layout{display:grid;grid-template-columns:350px 1fr;gap:25px}.modal-wrapper{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .3s ease-out}.modal-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:20px;width:90%;max-width:550px;box-shadow:0 10px 40px #0009;padding:30px;animation:slideUp .3s cubic-bezier(.175,.885,.32,1.275)}.modal-header{text-align:center;margin-bottom:20px}.modal-success-icon{font-size:40px;background-color:#10b98126;color:var(--success);width:80px;height:80px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:15px;border:2px solid var(--success)}.invoice-summary-details{background-color:var(--bg-card);border-radius:var(--border-radius);padding:15px;margin-bottom:25px;font-size:.9rem}.invoice-summary-details p{margin-bottom:8px;display:flex;justify-content:space-between}.invoice-summary-details p:last-child{margin-bottom:0}.modal-download-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:15px}.modal-footer{border-top:1px solid var(--border-color);padding-top:20px;display:flex;justify-content:flex-end}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.mobile-header,.sidebar-close-btn,.sidebar-overlay{display:none}@media (max-width: 1024px){.pos-layout,.inventory-layout,.dashboard-details{grid-template-columns:1fr}}@media (max-width: 768px){.app-layout{flex-direction:column}.mobile-header{display:flex;align-items:center;justify-content:space-between;height:60px;background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);padding:0 20px;position:sticky;top:0;z-index:100;box-shadow:0 4px 20px #0003}.menu-toggle-btn{background:transparent;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:5px}.mobile-header-title{display:flex;align-items:center;font-weight:600;font-size:1.1rem;color:var(--text-primary)}.sidebar-overlay{display:block;position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0009;z-index:998;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.sidebar{position:fixed;top:0;left:0;height:100vh;width:280px;z-index:999;border-right:1px solid var(--border-color);box-shadow:var(--box-shadow);transition:transform .3s cubic-bezier(.4,0,.2,1);transform:translate(-100%);background-color:var(--bg-surface)}.sidebar.mobile-open{transform:translate(0)}.sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:20px}.sidebar-close-btn{display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-secondary);font-size:2rem;line-height:1;cursor:pointer;padding:5px;transition:var(--transition-smooth)}.sidebar-close-btn:hover{color:var(--danger)}.main-content{padding:20px}.form-row{flex-direction:column;gap:0}}input[readonly]{background-color:var(--bg-card);cursor:not-allowed;opacity:.85}[data-theme=light]{--bg-base: hsl(210, 40%, 96.1%);--bg-surface: hsl(0, 0%, 100%);--bg-card: hsl(210, 40%, 98%);--border-color: hsl(214.3, 31.8%, 88%);--border-glow: hsl(262, 80%, 40%, .1);--primary: hsl(262, 83%, 58%);--primary-hover: hsl(262, 83%, 64%);--secondary: hsl(199, 89%, 40%);--secondary-hover: hsl(199, 89%, 48%);--text-primary: hsl(222.2, 84%, 8%);--text-secondary: hsl(215.4, 16.3%, 30%);--text-muted: hsl(215.4, 16.3%, 45%);--auth-bg: radial-gradient(circle at 10% 20%, hsl(262, 80%, 95%) 0%, var(--bg-base) 90%);--bg-surface-auth: rgba(255, 255, 255, .95);--hover-bg: rgba(0, 0, 0, .04);--table-hover-bg: rgba(0, 0, 0, .015);--summary-card-bg: linear-gradient(180deg, var(--bg-surface) 0%, hsl(210, 40%, 92%) 100%);--box-shadow: 0 8px 30px 0 rgba(0, 0, 0, .06)}[data-theme=light] .card-purple{background:linear-gradient(135deg,hsl(262,80%,96%),hsl(262,80%,93%))}[data-theme=light] .card-blue{background:linear-gradient(135deg,hsl(199,80%,96%),hsl(199,80%,93%))}[data-theme=light] .card-orange{background:linear-gradient(135deg,hsl(24,80%,96%),hsl(24,80%,93%))}[data-theme=light] .btn-dark{background-color:#dae1f1;color:var(--text-primary)}[data-theme=light] .modal-card{box-shadow:0 10px 40px #00000026}[data-theme=light] .auth-card{box-shadow:0 10px 40px #0000001a}.mobile-bottom-nav{display:none}@media (max-width: 768px){.mobile-header{padding:0 15px}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;width:100%;height:65px;background-color:var(--bg-surface);border-top:1px solid var(--border-color);z-index:997;box-shadow:0 -4px 16px #00000026;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom,0px)}.nav-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;height:100%;color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);gap:3px;padding:4px 0;text-decoration:none}.nav-tab-icon{font-size:1.25rem}.nav-tab-label{font-size:.65rem;font-weight:500}.nav-tab:hover{color:var(--text-primary)}.nav-tab.active{color:var(--primary)}.main-content{padding-bottom:90px!important}}