:root{--color-primary: #6366f1;--color-primary-light: #818cf8;--color-primary-dark: #4f46e5;--color-secondary: #a855f7;--color-bg: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-success: #22c55e;--color-success-bg: rgba(34, 197, 94, .1);--color-warning: #f59e0b;--color-warning-bg: rgba(245, 158, 11, .1);--color-danger: #ef4444;--color-danger-bg: rgba(239, 68, 68, .1);--color-info: #3b82f6;--color-info-bg: rgba(59, 130, 246, .1);--color-border: rgba(148, 163, 184, .1);--color-border-focus: rgba(99, 102, 241, .5);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 8px 10px -6px rgba(0, 0, 0, .3);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--z-dropdown: 100;--z-sticky: 200;--z-modal-backdrop: 300;--z-modal: 400;--z-toast: 500;--header-height: 60px;--nav-height: 70px;--sidebar-width: 280px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:Cairo,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:var(--color-text)}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-light)}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:var(--space-md);padding-bottom:calc(var(--nav-height) + var(--space-lg));max-width:100%;overflow-x:hidden}@media (min-width: 768px){.main-content{padding:var(--space-xl);padding-bottom:var(--space-xl)}}.header{position:sticky;top:0;z-index:var(--z-sticky);background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg) 100%);border-bottom:1px solid var(--color-border);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.header-content{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding:0 var(--space-md);max-width:1400px;margin:0 auto}.logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:800;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.875rem}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:var(--z-sticky);background:linear-gradient(180deg,#1e293bf2,#0f172afa);border-top:1px solid var(--color-border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:var(--space-sm) var(--space-md);padding-bottom:calc(var(--space-sm) + env(safe-area-inset-bottom))}.nav-list{display:flex;justify-content:space-around;align-items:center;list-style:none;max-width:500px;margin:0 auto}.nav-item{flex:1}.nav-link{display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--space-sm);color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-lg);transition:all var(--transition-normal);font-size:.7rem;font-weight:500}.nav-link svg{font-size:1.5rem;transition:transform var(--transition-normal)}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-link.active{background:#6366f11a}.nav-link.active svg{transform:scale(1.1)}@media (min-width: 768px){.bottom-nav{display:none}}.desktop-nav{display:none}@media (min-width: 768px){.desktop-nav{display:block;position:fixed;top:var(--header-height);right:0;width:var(--sidebar-width);height:calc(100vh - var(--header-height));background:var(--color-bg-secondary);border-left:1px solid var(--color-border);padding:var(--space-lg);overflow-y:auto}.main-content{margin-right:var(--sidebar-width)}.desktop-nav .nav-list{flex-direction:column;gap:var(--space-sm)}.desktop-nav .nav-link{flex-direction:row;justify-content:flex-start;gap:var(--space-md);padding:var(--space-md);font-size:.9rem;width:100%}}.card{background:var(--color-bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--color-border);padding:var(--space-lg);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-border-focus);box-shadow:var(--shadow-lg)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.card-title{font-size:1rem;font-weight:600;color:var(--color-text)}.card-subtitle{font-size:.875rem;color:var(--color-text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md);margin-bottom:var(--space-lg)}@media (min-width: 768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.stat-card{background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-tertiary) 100%);border-radius:var(--radius-xl);padding:var(--space-lg);border:1px solid var(--color-border);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary))}.stat-card.success:before{background:var(--color-success)}.stat-card.warning:before{background:var(--color-warning)}.stat-card.danger:before{background:var(--color-danger)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:var(--space-md);background:#6366f11a;color:var(--color-primary)}.stat-value{font-size:1.75rem;font-weight:800;color:var(--color-text);margin-bottom:var(--space-xs)}.stat-label{font-size:.8rem;color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:.9rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;box-shadow:0 4px 14px #6366f14d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #6366f166}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-secondary);border-color:var(--color-primary)}.btn-success{background:var(--color-success);color:#fff}.btn-danger{background:var(--color-danger);color:#fff}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-tertiary);color:var(--color-text)}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:.8rem}.btn-xs{padding:.2rem .55rem;font-size:.75rem;border-radius:var(--radius-md)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem}.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius-md)}.cu-page{padding:0}.cu-tabs{display:flex;gap:8px;margin-bottom:12px}.cu-tab{flex:1;padding:8px 12px;font-size:.85rem;font-weight:600;color:var(--color-text-secondary);background:var(--color-bg-secondary);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast)}.cu-tab.active{background:var(--color-primary);color:#fff}.cu-list{background:var(--color-bg-secondary);border-radius:var(--radius-lg);overflow:hidden}.cu-add-main{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:10px;font-size:.85rem;font-weight:600;color:var(--color-primary);background:transparent;border:none;border-bottom:1px solid var(--color-border);cursor:pointer}.cu-add-main:active{background:var(--color-bg-tertiary)}.cu-item{border-bottom:1px solid var(--color-border)}.cu-item:last-child{border-bottom:none}.cu-item-main{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--color-bg-tertiary);cursor:pointer}.cu-item-main:active{background:var(--color-bg)}.cu-item-right{display:flex;align-items:center;gap:8px;color:var(--color-text-secondary)}.cu-item-info{display:flex;flex-direction:column;gap:2px}.cu-item-name{font-size:.9rem;font-weight:600;color:var(--color-text)}.cu-item-meta{font-size:.75rem;color:var(--color-text-muted)}.cu-unit-symbol{display:inline-block;padding:2px 6px;margin-inline-end:6px;font-size:.7rem;font-weight:700;color:#fff;background:var(--color-primary);border-radius:var(--radius-sm)}.cu-item-actions{display:flex;gap:4px}.cu-item-actions button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer}.cu-item-actions button:active{background:var(--color-bg)}.cu-subitems{background:var(--color-bg-secondary);border-inline-start:3px solid var(--color-primary);margin-inline-start:12px}.cu-subitem{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--color-border)}.cu-subitem:last-of-type{border-bottom:none}.cu-subitem-info{display:flex;flex-direction:column;gap:1px}.cu-subitem-name{font-size:.85rem;font-weight:500;color:var(--color-text)}.cu-subitem-meta{font-size:.7rem;color:var(--color-text-muted)}.cu-add-sub{display:flex;align-items:center;gap:4px;padding:8px 12px;font-size:.8rem;font-weight:500;color:var(--color-primary);background:transparent;border:none;cursor:pointer}.cu-add-sub:active{background:var(--color-bg-tertiary)}.cu-empty{padding:24px;text-align:center;color:var(--color-text-muted);font-size:.9rem}.btn-fab{position:fixed;bottom:calc(var(--nav-height) + var(--space-lg));left:var(--space-lg);width:56px;height:56px;border-radius:var(--radius-full);font-size:1.5rem;box-shadow:var(--shadow-xl),var(--shadow-glow);z-index:var(--z-dropdown)}@media (min-width: 768px){.btn-fab{bottom:var(--space-xl)}}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-sm)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-md);font-size:1rem;font-family:inherit;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder{color:var(--color-text-muted)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2394a3b8' viewBox='0 0 20 20'%3E%3Cpath d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 12px center;background-size:20px;padding-left:40px}.form-textarea{resize:vertical;min-height:100px}.form-hint{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--space-xs)}.form-error{font-size:.75rem;color:var(--color-danger);margin-top:var(--space-xs)}.search-container{position:relative;margin-bottom:var(--space-lg)}.search-input{width:100%;padding:var(--space-md) var(--space-md) var(--space-md) 48px;font-size:1rem;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);color:var(--color-text);transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--color-text-muted);font-size:1.25rem}.table-container{overflow-x:auto;border-radius:var(--radius-xl);border:1px solid var(--color-border);background:var(--color-bg-secondary)}.table{width:100%;border-collapse:collapse;font-size:.875rem}.table th,.table td{padding:var(--space-md);text-align:right;border-bottom:1px solid var(--color-border)}.table th{background:var(--color-bg);font-weight:600;color:var(--color-text-secondary);white-space:nowrap}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#6366f10d}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--space-md)}@media (min-width: 768px){.products-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}}.product-card{background:var(--color-bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--color-border);overflow:hidden;transition:all var(--transition-normal);cursor:pointer}.product-card:hover{transform:translateY(-4px);border-color:var(--color-primary);box-shadow:var(--shadow-lg),var(--shadow-glow)}.product-image{width:100%;aspect-ratio:1;object-fit:cover;background:var(--color-bg)}.product-image-placeholder{width:100%;aspect-ratio:1;background:linear-gradient(135deg,var(--color-bg-tertiary) 0%,var(--color-bg) 100%);display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--color-text-muted)}.product-info{padding:var(--space-md)}.product-name{font-size:.9rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-xs);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-category{font-size:.75rem;color:var(--color-text-muted);margin-bottom:var(--space-sm)}.product-price{font-size:1.1rem;font-weight:700;color:var(--color-primary)}.product-stock{display:inline-flex;align-items:center;gap:4px;font-size:.7rem;padding:4px 8px;border-radius:var(--radius-full);margin-top:var(--space-sm)}.product-stock.in-stock{background:var(--color-success-bg);color:var(--color-success)}.product-stock.low-stock{background:var(--color-warning-bg);color:var(--color-warning)}.product-stock.out-of-stock{background:var(--color-danger-bg);color:var(--color-danger)}.list-view{display:flex;flex-direction:column;gap:var(--space-xs)}.item-row{background:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border);padding:var(--space-sm) var(--space-md);display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:var(--space-md);transition:all var(--transition-fast);cursor:pointer}.item-row:hover{border-color:var(--color-primary);background:var(--color-bg-tertiary);transform:translate(-4px)}.item-img{width:48px;height:48px;border-radius:var(--radius-md);object-fit:cover;background:var(--color-bg)}.item-img-placeholder{width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:1.25rem}.item-main{display:flex;flex-direction:column;gap:2px;overflow:hidden}.item-title{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-meta{font-size:.75rem;color:var(--color-text-muted);display:flex;gap:var(--space-sm);align-items:center}.item-side{text-align:left;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.item-price{font-weight:700;color:var(--color-primary);font-size:.95rem}.item-badge{font-size:.7rem;padding:2px 8px;border-radius:var(--radius-full);font-weight:600}@media (min-width: 768px){.item-row{grid-template-columns:60px 2fr 1fr 1fr auto;padding:var(--space-md)}.item-img,.item-img-placeholder{width:60px;height:60px}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:var(--z-modal-backdrop);display:flex;align-items:flex-end;justify-content:center;padding:0;animation:fadeIn var(--transition-fast)}@media (min-width: 768px){.modal-backdrop{align-items:center;padding:var(--space-lg)}}.modal{background:var(--color-bg-secondary);width:100%;max-width:500px;max-height:90vh;border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;overflow:hidden;display:flex;flex-direction:column;z-index:var(--z-modal);animation:slideUp var(--transition-normal)}@media (min-width: 768px){.modal{border-radius:var(--radius-2xl);animation:scaleIn var(--transition-normal)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.modal-title{font-size:1.125rem;font-weight:700}.modal-close{width:36px;height:36px;border-radius:var(--radius-md);background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.25rem;transition:all var(--transition-fast)}.modal-close:hover{background:var(--color-bg-tertiary);color:var(--color-text)}.modal-body{flex:1;padding:var(--space-lg);overflow-y:auto}.modal-footer{display:flex;gap:var(--space-md);padding:var(--space-lg);border-top:1px solid var(--color-border)}.modal-footer .btn{flex:1}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:600;border-radius:var(--radius-full)}.badge-primary{background:#6366f126;color:var(--color-primary)}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.empty-state{text-align:center;padding:var(--space-2xl)}.empty-state-icon{font-size:4rem;color:var(--color-text-muted);margin-bottom:var(--space-lg)}.empty-state-title{font-size:1.25rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-sm)}.empty-state-text{color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg);flex-wrap:wrap;gap:var(--space-md)}.page-title{font-size:1.5rem;font-weight:700}.tabs{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg);overflow-x:auto;padding-bottom:var(--space-sm)}.tab{padding:var(--space-sm) var(--space-lg);font-size:.875rem;font-weight:500;color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-lg);cursor:pointer;white-space:nowrap;transition:all var(--transition-fast)}.tab:hover{background:var(--color-bg-tertiary);color:var(--color-text)}.tab.active{background:var(--color-primary);color:#fff}.cart-panel{background:var(--color-bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--color-border);overflow:hidden}.cart-header{padding:var(--space-md) var(--space-lg);background:var(--color-bg);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.cart-items{max-height:300px;overflow-y:auto}.cart-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--color-border)}.cart-item:last-child{border-bottom:none}.cart-item-info{flex:1}.cart-item-name{font-size:.9rem;font-weight:500}.cart-item-price{font-size:.8rem;color:var(--color-text-secondary)}.cart-item-quantity{display:flex;align-items:center;gap:var(--space-sm)}.cart-item-quantity input{width:60px;text-align:center;padding:var(--space-xs) var(--space-sm);font-size:.9rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text)}.cart-footer{padding:var(--space-lg);background:var(--color-bg);border-top:1px solid var(--color-border)}.cart-total{display:flex;justify-content:space-between;align-items:center;font-size:1.25rem;font-weight:700;margin-bottom:var(--space-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(100px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-warning{color:var(--color-warning)}.text-danger{color:var(--color-danger)}.text-muted{color:var(--color-text-muted)}.font-bold{font-weight:700}.font-medium{font-weight:500}.mt-1{margin-top:var(--space-sm)}.mt-2{margin-top:var(--space-md)}.mt-3{margin-top:var(--space-lg)}.mb-1{margin-bottom:var(--space-sm)}.mb-2{margin-bottom:var(--space-md)}.mb-3{margin-bottom:var(--space-lg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--space-sm)}.gap-2{gap:var(--space-md)}.gap-3{gap:var(--space-lg)}.w-full{width:100%}.hidden{display:none}@media (min-width: 768px){.md\:block{display:block}.md\:flex{display:flex}.md\:hidden{display:none}}