:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-color: #f5f7fa;--text-main: #1e293b;--text-muted: #64748b;--primary-color: #1e293b;--primary-hover: #0f172a;--sidebar-bg: #ffffff;--card-bg: #ffffff;--border-color: #e2e8f0;--accent-blue: #3b82f6;--accent-green: #22c55e;--accent-orange: #f59e0b;--accent-purple: #8b5cf6;--border-radius-soft: 12px;--border-radius-card: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, 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h1{font-size:1.5rem;color:var(--primary-color);font-weight:600}.auth-main{flex:1;display:flex;justify-content:center;align-items:center}@media(max-width:1024px){.main-wrapper{margin-left:80px}}@media(max-width:768px){.main-content{padding:16px}}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h2{color:var(--primary-color);margin:0;font-size:24px;font-weight:700}.actions-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:16px}.button-group{display:flex;gap:12px}.search-box{display:flex;gap:12px;flex:1;max-width:400px}.search-box input{flex:1;padding:10px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;transition:all .2s;background:#fff;color:var(--text-main);outline:none}.search-box input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px 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.2s}.chart-btn.active{background-color:var(--bg-color);color:var(--primary-color)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.stat-card{background-color:var(--card-bg);border-radius:var(--border-radius-card);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.stat-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}.stat-icon.sales{background-color:#dcfce7;color:#16a34a}.stat-icon.quantity{background-color:#dbeafe;color:#2563eb}.stat-icon.purchases{background-color:#fef3c7;color:#d97706}.stat-icon.quantity2{background-color:#f3e8ff;color:#9333ea}.stat-badge{font-size:12px;font-weight:600;padding:4px 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var(--border-color);border-radius:8px;font-size:14px;font-family:inherit;transition:all .2s ease;background:#fff;color:var(--text-main);outline:none}.filter-select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 2px #3b82f61a}.action-buttons{display:flex;gap:8px;flex-wrap:wrap}.stock-status{padding:12px 16px;border-radius:6px;margin:15px 0;font-size:14px;font-weight:500;border-left:4px solid;animation:slideDown .3s ease}.stock-status-ok{background:#f0fdf4;color:#16a34a;border-left-color:#22c55e}.stock-status-insufficient{background:#fef9c3;color:#ca8a04;border-left-color:#eab308}.stock-status-empty{background:#fef2f2;color:#ef4444;border-left-color:#ef4444}.stock-status-not-found{background:#f8fafc;color:#64748b;border-left-color:#94a3b8}@media(max-width:768px){.action-buttons{flex-direction:column}}.configuration{display:flex;flex-direction:column;gap:24px}.intro{color:var(--text-muted, #6b7280);font-size:14px;margin-top:-8px;margin-bottom:24px}.config-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;animation:slideUp .3s ease}.config-section{background:#fff;padding:24px;border-radius:12px;box-shadow:0 1px 3px #0000000d;border:1px solid var(--border-color, #e5e7eb);transition:box-shadow .2s}.config-section:hover{box-shadow:0 4px 12px #0000000d}.config-section h3{margin-top:0;color:var(--text-main, #111827);padding-bottom:16px;margin-bottom:20px;font-size:15px;font-weight:600;border-bottom:1px solid var(--border-color, #e5e7eb)}.config-item{margin-bottom:20px}.config-item:last-child{margin-bottom:0}.config-item label{display:block;color:var(--text-muted, #4b5563);font-weight:500;font-size:13px;margin-bottom:8px}.config-input{width:100%;padding:10px 14px;border:1px solid var(--border-color, #d1d5db);border-radius:8px;font-size:14px;background-color:#fafafa;color:var(--text-main, #111827);box-sizing:border-box;font-family:inherit;transition:all .2s}.config-input:focus{outline:none;border-color:#111827;background-color:#fff;box-shadow:0 0 0 3px #1118271a}.config-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.config-actions{display:flex;gap:12px;justify-content:flex-end;grid-column:1 / -1;margin-top:8px}.btn-config-save{background-color:#111827;color:#fff;padding:10px 20px;border:none;border-radius:8px;font-weight:500;font-size:14px;cursor:pointer;transition:all .2s}.btn-config-save:hover:not(:disabled){background-color:#000;transform:translateY(-1px)}.btn-config-calc{background-color:#fff;color:#111827;padding:10px 20px;border:1px solid #111827;border-radius:8px;font-weight:500;font-size:14px;cursor:pointer;transition:all .2s}.btn-config-calc:hover:not(:disabled){background-color:#f3f4f6;transform:translateY(-1px)}.btn-config-save:disabled,.btn-config-calc:disabled{opacity:.6;cursor:not-allowed;transform:none}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.config-sections,.config-row{grid-template-columns:1fr}}.export-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:24px;margin-top:24px}.export-card{height:100%;display:flex;flex-direction:column}.export-card .card-body{flex:1;display:flex;flex-direction:column}.export-card p{color:#64748b;font-size:.95rem;line-height:1.5;margin-bottom:20px}.date-inputs{display:flex;gap:16px;margin-bottom:24px}.input-group{flex:1;display:flex;flex-direction:column;gap:8px}.input-group label{font-size:.85rem;font-weight:600;color:#111827}.input-group input{padding:10px 12px;border:1px solid #e5e7eb;border-radius:8px;font-size:.9rem;color:#1f2937;outline:none;transition:border-color .2s}.input-group input:focus{border-color:#111827}.export-btn{margin-top:auto;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;font-weight:600}.spacer{height:104px}@media(max-width:900px){.export-grid{grid-template-columns:1fr}}.sidebar{width:260px;background-color:var(--sidebar-bg);height:100vh;display:flex;flex-direction:column;position:fixed;left:0;top:0;z-index:1000;border-right:1px solid var(--border-color);transition:width .3s ease}.sidebar.collapsed{width:80px}.sidebar-header{padding:24px}.logo-section{display:flex;align-items:center;gap:12px}.logo-icon-container{width:40px;height:40px;background-color:var(--primary-color);border-radius:8px;display:flex;justify-content:center;align-items:center;color:#fff;font-size:1.2rem;flex-shrink:0}.logo-text{display:flex;flex-direction:column;justify-content:center}.logo-text h2{font-size:16px;font-weight:700;color:var(--primary-color);line-height:1.2}.logo-text span{font-size:10px;font-weight:500;color:var(--text-muted);letter-spacing:.5px}.sidebar-nav{flex:1;padding:16px 20px;overflow-y:auto}.menu-list{list-style:none;display:flex;flex-direction:column;gap:8px}.menu-item{width:100%;display:flex;align-items:center;gap:16px;padding:12px 16px;background:transparent;color:var(--text-muted);border:none;border-radius:var(--border-radius-soft);cursor:pointer;font-size:15px;font-weight:500;transition:all .2s ease;text-align:left}.menu-item:hover{background-color:#f1f5f9;color:var(--primary-color)}.menu-item.active{background-color:var(--primary-color);color:#fff;font-weight:600}.menu-item.active .menu-icon{filter:brightness(100)}.menu-icon{font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.menu-label{flex:1;white-space:nowrap}.sidebar-footer{padding:24px 20px}.logout-btn{color:#ef4444;margin-top:auto}.logout-btn:hover{background-color:#fef2f2;color:#dc2626}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;background-color:var(--sidebar-bg);border-bottom:1px solid var(--border-color);width:100%}.topbar-left{flex:1;max-width:500px}.topbar-right{display:flex;align-items:center;gap:20px}.topbar-notif-btn{background:none;border:none;font-size:20px;color:var(--text-muted);cursor:pointer;position:relative;transition:color .2s;display:flex;align-items:center;justify-content:center}.notif-badge{position:absolute;top:-4px;right:-6px;background-color:#ef4444;color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-radius:10px;border:2px solid white}.topbar-notif-btn:hover{color:var(--text-main)}.topbar-notif-container{position:relative}.notif-dropdown{position:absolute;top:calc(100% + 15px);right:-10px;width:320px;background:#fff;border-radius:12px;box-shadow:0 10px 25px #0000001a;border:1px solid var(--border-color);z-index:1000;overflow:hidden;animation:slideDown .2s ease-out forwards}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.notif-dropdown-header{padding:16px;background-color:#f8fafc;border-bottom:1px solid var(--border-color)}.notif-dropdown-header h4{margin:0;font-size:14px;font-weight:600;color:var(--text-main)}.notif-dropdown-body{max-height:350px;overflow-y:auto}.notif-empty{padding:24px;text-align:center;color:var(--text-muted);font-size:13px}.notif-item{display:flex;padding:16px;gap:12px;border-bottom:1px solid #f1f5f9;background-color:#fff;transition:background-color .2s}.notif-item:hover{background-color:#f8fafc}.notif-item:last-child{border-bottom:none}.notif-icon{font-size:18px;display:flex;align-items:center;justify-content:center;height:fit-content}.notif-content{display:flex;flex-direction:column;gap:4px;width:100%}.notif-content strong{font-size:13px;color:var(--text-main)}.notif-content p{margin:0;font-size:12px;color:var(--text-muted)}.text-danger{color:#ef4444;font-weight:600}.topbar-divider{width:1px;height:24px;background-color:var(--border-color)}.topbar-user{display:flex;align-items:center;gap:12px;cursor:pointer}.topbar-user-info{display:flex;flex-direction:column;align-items:flex-end}.topbar-user-name{font-weight:600;font-size:14px;color:var(--text-main)}.topbar-user-role-badge{font-weight:700}.topbar-user-role{font-size:12px;color:var(--text-muted)}.topbar-user-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden}.topbar-user-avatar img{width:100%;height:100%;object-fit:cover}