:root {
        --sidebar-w: 272px;
        --sidebar-mini: 80px;
        --header-h: 72px;
        --ease: all .3s cubic-bezier(.4, 0, .2, 1)
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box
    }

    body {
        font-family: 'Plus Jakarta Sans', 'Inter', sans-serif
    }

    .app-container {
        display: flex;
        min-height: 100vh
    }

    .sidebar {
        width: var(--sidebar-w);
        min-width: var(--sidebar-w);
        height: 100vh;
        position: fixed;
        left: 0;
        top: 0;
        z-index: 50;
        transition: var(--ease);
        display: flex;
        flex-direction: column;
        overflow: hidden
    }

    .sidebar.collapsed {
        width: var(--sidebar-mini);
        min-width: var(--sidebar-mini)
    }

    .sidebar-nav {
        flex: 1;
        overflow-y: auto;
        overflow-x: hidden
    }

    .sidebar-nav::-webkit-scrollbar {
        width: 4px
    }

    .sidebar-nav::-webkit-scrollbar-thumb {
        background: rgba(148, 163, 184, .3);
        border-radius: 10px
    }

    .main-wrapper {
        flex: 1;
        margin-left: var(--sidebar-w);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        transition: var(--ease)
    }

    body.sidebar-collapsed .main-wrapper {
        margin-left: var(--sidebar-mini)
    }

    .header {
        height: var(--header-h);
        min-height: var(--header-h);
        position: sticky;
        top: 0;
        z-index: 40
    }

    .main-content {
        flex: 1;
        overflow-x: hidden
    }

    ::-webkit-scrollbar {
        width: 6px
    }

    ::-webkit-scrollbar-thumb {
        background: #cbd5e1;
        border-radius: 10px
    }

    .dark ::-webkit-scrollbar-thumb {
        background: #334155
    }

    .menu-item {
        position: relative
    }

    .menu-item.active>a,
    .menu-item.active>button {
        background: linear-gradient(135deg, rgba(59, 130, 246, .15), rgba(139, 92, 246, .1))
    }

    .menu-item.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 60%;
        background: linear-gradient(180deg, #3b82f6, #8b5cf6);
        border-radius: 0 4px 4px 0
    }

    .submenu {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s cubic-bezier(.4, 0, .2, 1)
    }

    .submenu.open {
        max-height: 500px
    }

    .menu-arrow {
        transition: transform .3s
    }

    .menu-arrow.rotated {
        transform: rotate(90deg)
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .6);
        backdrop-filter: blur(4px);
        z-index: 45;
        opacity: 0;
        visibility: hidden;
        transition: var(--ease)
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible
    }

    .dropdown-panel {
        position: absolute;
        top: 100%;
        right: 0;
        margin-top: 8px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(.95);
        transition: var(--ease);
        z-index: 9999;
        pointer-events: none
    }

    .dropdown-panel.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
        pointer-events: auto
    }

    .row-menu {
        position: absolute;
        right: 0;
        top: 100%;
        margin-top: 4px;
        z-index: 100
    }

    .gradient-animated {
        background-size: 200% 200%;
        animation: gs 6s ease infinite
    }

    @keyframes gs {
        0% {
            background-position: 0% 50%
        }

        50% {
            background-position: 100% 50%
        }

        100% {
            background-position: 0% 50%
        }
    }

    .ripple {
        position: relative;
        overflow: hidden
    }

    .ripple::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(circle, rgba(255, 255, 255, .3) 10%, transparent 10.01%);
        transform: scale(10);
        opacity: 0;
        transition: transform .5s, opacity .8s
    }

    .ripple:active::after {
        transform: scale(0);
        opacity: 1;
        transition: 0s
    }

    .badge-pulse {
        position: relative
    }

    .badge-pulse::after {
        content: '';
        position: absolute;
        inset: -2px;
        border-radius: 50%;
        background: inherit;
        animation: bp 1.5s infinite;
        z-index: -1
    }

    @keyframes bp {
        0% {
            transform: scale(1);
            opacity: .5
        }

        100% {
            transform: scale(2);
            opacity: 0
        }
    }

    @keyframes pd {
        0% {
            box-shadow: 0 0 0 0 rgba(16, 185, 129, .5)
        }

        70% {
            box-shadow: 0 0 0 8px rgba(16, 185, 129, 0)
        }

        100% {
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0)
        }
    }

    .pulse-dot {
        animation: pd 2s infinite
    }

    .progress-bar-fill {
        transition: width 1.5s cubic-bezier(.4, 0, .2, 1)
    }

    .toast-container {
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 99999;
        display: flex;
        flex-direction: column;
        gap: 10px;
        max-width: calc(100vw - 40px)
    }

    .toast {
        padding: 14px 20px;
        border-radius: 12px;
        color: #fff;
        font-weight: 500;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
        animation: ti .4s cubic-bezier(.4, 0, .2, 1);
        min-width: 280px;
        max-width: 420px
    }

    .toast.toast-out {
        animation: to .3s forwards
    }

    @keyframes ti {
        from {
            transform: translateX(100%);
            opacity: 0
        }

        to {
            transform: translateX(0);
            opacity: 1
        }
    }

    @keyframes to {
        from {
            transform: translateX(0);
            opacity: 1
        }

        to {
            transform: translateX(100%);
            opacity: 0
        }
    }

    .toast-success {
        background: linear-gradient(135deg, #10b981, #059669)
    }

    .toast-danger {
        background: linear-gradient(135deg, #ef4444, #dc2626)
    }

    .toast-warning {
        background: linear-gradient(135deg, #f59e0b, #d97706)
    }

    .toast-info {
        background: linear-gradient(135deg, #3b82f6, #2563eb)
    }

    .modal-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .6);
        backdrop-filter: blur(6px);
        z-index: 99990;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--ease);
        padding: 16px
    }

    .modal-overlay.active {
        opacity: 1;
        visibility: visible
    }

    .modal-box {
        transform: scale(.9) translateY(20px);
        transition: var(--ease);
        max-height: 90vh;
        overflow-y: auto
    }

    .modal-overlay.active .modal-box {
        transform: scale(1) translateY(0)
    }

    [data-tooltip] {
        position: relative
    }

    [data-tooltip]::after {
        content: attr(data-tooltip);
        position: absolute;
        bottom: calc(100% + 8px);
        left: 50%;
        transform: translateX(-50%) translateY(5px);
        padding: 6px 12px;
        background: #1e293b;
        color: #fff;
        font-size: 12px;
        font-weight: 500;
        border-radius: 8px;
        white-space: nowrap;
        opacity: 0;
        visibility: hidden;
        transition: var(--ease);
        pointer-events: none;
        z-index: 99999
    }

    .dark [data-tooltip]::after {
        background: #f1f5f9;
        color: #0f172a
    }

    [data-tooltip]:hover::after {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0)
    }

    .theme-transition,
    .theme-transition *,
    .theme-transition *::before,
    .theme-transition *::after {
        transition: background-color .3s, color .3s, border-color .3s !important
    }

    .checkbox-custom {
        appearance: none;
        width: 18px;
        height: 18px;
        border: 2px solid #cbd5e1;
        border-radius: 6px;
        cursor: pointer;
        transition: var(--ease);
        flex-shrink: 0
    }

    .checkbox-custom:checked {
        background: #8b5cf6;
        border-color: #8b5cf6;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3E%3C/svg%3E")
    }

    .dark .checkbox-custom {
        border-color: #475569
    }

    .view-btn.active {
        background: #8b5cf6;
        color: #fff
    }

    .product-card {
        transition: var(--ease)
    }

    .product-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, .1)
    }

    .dark .product-card:hover {
        box-shadow: 0 20px 40px rgba(0, 0, 0, .4)
    }

    .product-img-wrapper {
        position: relative;
        overflow: hidden
    }

    .product-img {
        transition: transform .6s cubic-bezier(.4, 0, .2, 1)
    }

    .product-card:hover .product-img {
        transform: scale(1.08)
    }

    .quick-actions {
        position: absolute;
        top: 12px;
        right: 12px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        opacity: 0;
        transform: translateX(10px);
        transition: var(--ease)
    }

    .product-card:hover .quick-actions {
        opacity: 1;
        transform: translateX(0)
    }

    .stock-bar {
        width: 100%;
        height: 4px;
        background: #f1f5f9;
        border-radius: 999px;
        overflow: hidden
    }

    .dark .stock-bar {
        background: #1e293b
    }

    .stock-fill {
        height: 100%;
        border-radius: 999px;
        transition: width 1s cubic-bezier(.4, 0, .2, 1)
    }

    .star-rating {
        display: inline-flex;
        gap: 2px
    }

    .star-filled {
        color: #fbbf24;
        fill: #fbbf24
    }

    .star-empty {
        color: #e2e8f0
    }

    .dark .star-empty {
        color: #334155
    }

    @media(max-width:1024px) {
        .sidebar {
            transform: translateX(-100%)
        }

        .sidebar.mobile-open {
            transform: translateX(0)
        }

        .main-wrapper {
            margin-left: 0 !important
        }
    }

    @media(max-width:640px) {
        :root {
            --header-h: 60px
        }

        .toast {
            min-width: auto;
            max-width: calc(100vw - 40px);
            font-size: 13px
        }

        .dropdown-panel.mobile-full {
            position: fixed !important;
            top: var(--header-h) !important;
            left: 8px !important;
            right: 8px !important;
            width: auto !important;
            max-height: 70vh;
            overflow-y: auto;
            margin-top: 4px !important
        }
    }

    @media(max-width:375px) {
        .header-icons {
            gap: 2px
        }

        .header-icons .icon-btn {
            width: 32px;
            height: 32px
        }
    }