:root{--bg-dark: #0a0e17;--bg-darker: #060910;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .06);--glass-bg: rgba(255, 255, 255, .05);--glass-bg-strong: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .1);--glass-border-strong: rgba(255, 255, 255, .15);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);--gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-danger: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);--gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--gradient-purple: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);--accent: #667eea;--accent-light: #818cf8;--accent-glow: rgba(102, 126, 234, .4);--success: #10b981;--success-glow: rgba(16, 185, 129, .4);--warning: #f59e0b;--warning-glow: rgba(245, 158, 11, .4);--danger: #ef4444;--danger-glow: rgba(239, 68, 68, .4);--text-primary: #f8fafc;--text-secondary: rgba(248, 250, 252, .7);--text-muted: rgba(248, 250, 252, .4);--sidebar-width: 280px;--sidebar-collapsed: 80px;--border-radius: 16px;--border-radius-sm: 10px;--border-radius-lg: 24px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--shadow-sm: 0 4px 12px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px var(--accent-glow)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,Noto Sans Bengali,Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.7;overflow-x:hidden;font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1{font-size:2rem;font-weight:700;line-height:1.3}h2{font-size:1.5rem;font-weight:600;line-height:1.35}h3{font-size:1.25rem;font-weight:600;line-height:1.4}h4{font-size:1.1rem;font-weight:600;line-height:1.4}h5{font-size:1rem;font-weight:600;line-height:1.5}p{font-size:.95rem;line-height:1.7}small{font-size:.8rem}svg{flex-shrink:0}.icon-xs{font-size:.875rem;width:14px;height:14px}.icon-sm{font-size:1rem;width:16px;height:16px}.icon-md{font-size:1.25rem;width:20px;height:20px}.icon-lg{font-size:1.5rem;width:24px;height:24px}.icon-xl{font-size:2rem;width:32px;height:32px}.icon-2xl{font-size:2.5rem;width:40px;height:40px}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 20% 20%,rgba(102,126,234,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(118,75,162,.08) 0%,transparent 50%),radial-gradient(circle at 40% 60%,rgba(17,153,142,.05) 0%,transparent 40%);pointer-events:none;z-index:-1}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-darker)}::-webkit-scrollbar-thumb{background:var(--glass-border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);height:100vh;position:fixed;left:0;top:0;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--glass-border);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-normal)}.sidebar.closed{width:var(--sidebar-collapsed)}.sidebar-header{padding:1.5rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--glass-border)}.logo{font-size:1.4rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap;display:flex;align-items:center;gap:.75rem}.logo-icon{width:42px;height:42px;background:var(--gradient-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem;box-shadow:0 4px 16px var(--accent-glow)}.sidebar.closed .logo span{display:none}.toggle-btn{background:var(--glass-bg-strong);border:1px solid var(--glass-border);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;padding:.6rem;border-radius:10px;transition:all var(--transition-fast)}.toggle-btn:hover{background:var(--accent);color:#fff;transform:scale(1.05)}.sidebar-nav{flex:1;padding:1rem .75rem;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:1rem;padding:.9rem 1.25rem;color:var(--text-secondary);text-decoration:none;border-radius:var(--border-radius-sm);margin-bottom:.25rem;transition:all var(--transition-fast);position:relative;overflow:hidden}.nav-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--gradient-primary);border-radius:var(--border-radius-sm);opacity:0;transition:all var(--transition-normal);z-index:-1}.nav-item:hover{color:var(--text-primary);transform:translate(4px)}.nav-item:hover:before{width:100%;opacity:.1}.nav-item.active{color:var(--text-primary);background:var(--glass-bg-strong);box-shadow:0 0 20px var(--accent-glow)}.nav-item.active:before{width:4px;opacity:1}.nav-item svg{font-size:1.25rem;flex-shrink:0}.sidebar.closed .nav-item span{display:none}.sidebar-footer{padding:1rem;border-top:1px solid 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var(--danger-glow)}.main-content{flex:1;margin-left:var(--sidebar-width);padding:2rem;transition:margin-left var(--transition-normal);min-height:100vh}.sidebar.closed~.main-content{margin-left:var(--sidebar-collapsed)}.page{animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h1{font-size:2rem;font-weight:700;display:flex;align-items:center;gap:.75rem;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.page-header p{color:var(--text-muted);margin-top:.25rem;font-size:.9rem}.card{background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:1.5rem;transition:all var(--transition-normal)}.card:hover{border-color:var(--glass-border-strong);box-shadow:var(--shadow-md);transform:translateY(-2px)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:1.5rem;display:flex;align-items:flex-start;justify-content:space-between;transition:all var(--transition-normal);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;inset:0;opacity:0;transition:opacity var(--transition-normal)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.stat-card:hover:before{opacity:.08}.stat-card.primary:before{background:var(--gradient-primary)}.stat-card.success:before{background:var(--gradient-success)}.stat-card.warning:before{background:var(--gradient-warning)}.stat-card.danger:before{background:var(--gradient-danger)}.stat-card:hover{border-color:transparent}.stat-card.primary:hover{box-shadow:0 8px 32px var(--accent-glow)}.stat-card.success:hover{box-shadow:0 8px 32px var(--success-glow)}.stat-card.warning:hover{box-shadow:0 8px 32px var(--warning-glow)}.stat-card.danger:hover{box-shadow:0 8px 32px var(--danger-glow)}.stat-content h3{font-size:.85rem;color:var(--text-muted);font-weight:500;margin-bottom:.5rem}.stat-value{font-size:1.75rem;font-weight:700;margin-bottom:.25rem}.stat-change{font-size:.8rem;color:var(--success);display:flex;align-items:center;gap:.25rem}.stat-change.negative{color:var(--danger)}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stat-card.primary .stat-icon{background:var(--gradient-primary)}.stat-card.success .stat-icon{background:var(--gradient-success)}.stat-card.warning .stat-icon{background:var(--gradient-warning)}.stat-card.danger .stat-icon{background:var(--gradient-danger)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:.8rem 1.6rem;border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;background:var(--glass-bg);color:var(--text-primary);transition:all var(--transition-fast);text-decoration:none;white-space:nowrap;font-family:inherit}.btn svg{font-size:1.15rem;width:18px;height:18px}.btn:hover{background:var(--glass-bg-strong);border-color:var(--glass-border-strong);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--gradient-primary);border:none;color:#fff;box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{box-shadow:0 8px 28px var(--accent-glow);transform:translateY(-3px)}.btn-success{background:var(--gradient-success);border:none;color:#fff;box-shadow:0 4px 20px var(--success-glow)}.btn-success:hover{box-shadow:0 8px 28px var(--success-glow)}.btn-warning{background:var(--gradient-warning);border:none;color:#fff;box-shadow:0 4px 20px var(--warning-glow)}.btn-danger{background:var(--gradient-danger);border:none;color:#fff;box-shadow:0 4px 20px var(--danger-glow)}.btn-outline{background:transparent;border:2px solid 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1.25rem;text-align:left;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;background:var(--glass-bg);border-bottom:1px solid var(--glass-border)}.data-table td{padding:1rem 1.25rem;border-bottom:1px solid var(--glass-border);transition:background var(--transition-fast)}.data-table tbody tr{transition:all var(--transition-fast)}.data-table tbody tr:hover{background:var(--glass-bg-strong)}.data-table tbody tr:last-child td{border-bottom:none}.actions{display:flex;gap:.5rem}.actions button,.actions a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.actions button:hover,.actions a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:scale(1.1)}.actions button.danger:hover{background:var(--danger);border-color:var(--danger)}.actions button.success:hover{background:var(--success);border-color:var(--success)}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .2s ease}.modal{background:var(--bg-dark);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal.small{max-width:420px}.modal.large{max-width:900px}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--glass-border)}.modal-header h2{font-size:1.25rem;font-weight:600;display:flex;align-items:center;gap:.5rem}.modal-header button{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:10px;color:var(--text-secondary);cursor:pointer;font-size:1.25rem;transition:all var(--transition-fast)}.modal-header button:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.modal form{padding:1.5rem}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;padding:1rem 1.5rem;border-top:1px solid var(--glass-border);background:var(--glass-bg)}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;font-size:.75rem;font-weight:600;border-radius:20px;background:var(--glass-bg);border:1px solid var(--glass-border)}.badge.success,.badge.paid{background:#10b98126;border-color:var(--success);color:var(--success)}.badge.warning,.badge.wholesale{background:#f59e0b26;border-color:var(--warning);color:var(--warning)}.badge.danger{background:#ef444426;border-color:var(--danger);color:var(--danger)}.badge.primary{background:#667eea26;border-color:var(--accent);color:var(--accent)}.search-box{position:relative;display:flex;align-items:center}.search-box svg{position:absolute;left:1rem;color:var(--text-muted);font-size:1.1rem}.search-box input{padding-left:2.75rem}.filters{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap;align-items:flex-end}.filters .form-group{margin-bottom:0}.pagination{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1.5rem;padding:1rem}.pagination button{padding:.6rem 1.25rem;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.pagination button:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.pagination button:disabled{opacity:.4;cursor:not-allowed}.pagination span{color:var(--text-secondary);font-size:.9rem}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem;margin-bottom:1.5rem}.dashboard-grid .card h3{font-size:1rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.quick-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.quick-action-btn{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:1.25rem;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-normal);text-decoration:none;color:var(--text-primary)}.quick-action-btn:hover{background:var(--glass-bg-strong);transform:translateY(-4px);box-shadow:var(--shadow-md)}.quick-action-btn svg{font-size:1.75rem;color:var(--accent)}.quick-action-btn span{font-size:.85rem;font-weight:500}.alert-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--glass-bg);border-radius:var(--border-radius-sm);margin-bottom:.75rem;border-left:3px solid var(--warning);transition:all var(--transition-fast)}.alert-item:hover{background:var(--glass-bg-strong)}.alert-item.danger{border-left-color:var(--danger)}.alert-icon{width:36px;height:36px;background:#f59e0b26;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--warning)}.alert-item.danger .alert-icon{background:#ef444426;color:var(--danger)}.pos-page{display:flex;gap:1.5rem;height:calc(100vh - 4rem);margin:-2rem;padding:1.5rem}.pos-main{flex:1;display:flex;flex-direction:column;gap:1rem}.pos-sidebar{width:380px;background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.pos-search{position:relative}.pos-search .search-box input{padding:1rem 1rem 1rem 3rem;font-size:1rem;background:var(--glass-bg-strong);border:2px solid var(--glass-border)}.pos-search .search-box input:focus{border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.search-results{position:absolute;top:100%;left:0;right:0;background:var(--bg-dark);border:1px solid var(--glass-border);border-radius:var(--border-radius-sm);margin-top:.5rem;max-height:300px;overflow-y:auto;z-index:50;box-shadow:var(--shadow-lg)}.search-item{padding:.85rem 1rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-bottom:1px solid var(--glass-border);transition:all var(--transition-fast)}.search-item:last-child{border-bottom:none}.search-item:hover{background:var(--glass-bg-strong)}.search-item.first{border-left:3px solid var(--accent);background:var(--glass-bg)}.search-item.out-of-stock{opacity:.5}.search-item strong{display:block;margin-bottom:.15rem}.search-item span{font-size:.8rem;color:var(--text-muted)}.item-info{text-align:right}.item-info .price{display:block;font-weight:600;color:var(--success)}.item-info .stock{font-size:.75rem;color:var(--text-muted)}.item-info .stock.low{color:var(--warning)}.item-info .stock.zero{color:var(--danger);font-weight:600}.cart-section{flex:1;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);display:flex;flex-direction:column;overflow:hidden}.cart-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:var(--glass-bg-strong);border-bottom:1px solid var(--glass-border)}.cart-header span{font-weight:600;font-size:.95rem}.cart-actions{display:flex;gap:.5rem}.cart-table{width:100%;border-collapse:collapse}.cart-table th{padding:.85rem 1rem;text-align:left;font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;background:var(--glass-bg);border-bottom:1px solid var(--glass-border)}.cart-table td{padding:.85rem 1rem;border-bottom:1px solid var(--glass-border)}.cart-table tbody tr:hover{background:var(--glass-bg)}.empty-cart{text-align:center;padding:3rem!important;color:var(--text-muted)}.qty-cell{display:flex;align-items:center;gap:.5rem}.qty-cell button{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--glass-bg-strong);border:1px solid var(--glass-border);border-radius:6px;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast)}.qty-cell button:hover{background:var(--accent);border-color:var(--accent)}.delete-btn{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-muted);cursor:pointer;border-radius:6px;transition:all 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