:root {
    --purchase-sidebar-width: 280px;
    --purchase-sidebar-collapsed-width: 86px;
    --purchase-sidebar-bg: #23304f;
    --purchase-sidebar-bg-2: #33415f;
    --purchase-sidebar-text: #e2e8f0;
    --purchase-sidebar-muted: #b8c4d8;
}

.purchase-mobile-menu-btn,
.purchase-sidebar-backdrop {
    display: none;
}

.erp-side-panel {
    position: sticky;
    top: 0;
    width: var(--purchase-sidebar-width);
    min-width: var(--purchase-sidebar-width);
    height: 100vh;
    padding: 14px 12px;
    color: var(--purchase-sidebar-text);
    background:
        radial-gradient(circle at top right, rgba(59, 130, 246, .22), transparent 36%),
        linear-gradient(180deg, var(--purchase-sidebar-bg), var(--purchase-sidebar-bg-2));
    overflow-y: auto;
    overflow-x: hidden;
    transition: width .2s ease, min-width .2s ease, transform .24s ease;
    z-index: 1040;
}

.side-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 10px 14px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.side-brand-icon {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: #fff;
    background: rgba(255, 255, 255, .11);
    border-radius: 13px;
}

.side-brand-text,
.side-link span,
.side-section span,
.side-search,
.side-collapse-btn span {
    transition: opacity .16s ease, width .16s ease;
}

.side-brand-text h5 {
    margin: 0;
    color: #fff;
    font-weight: 900;
}

.side-brand-text span {
    color: var(--purchase-sidebar-muted);
    font-size: 12px;
    opacity: .86;
}

.side-search {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 10px 4px 14px;
    padding: 9px 10px;
    background: rgba(255, 255, 255, .075);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 12px;
}

.side-search i {
    color: var(--purchase-sidebar-muted);
}

.side-search input {
    width: 100%;
    min-width: 0;
    color: #fff;
    background: transparent;
    border: 0;
    outline: 0;
    font-size: 13px;
}

.side-search input::placeholder {
    color: var(--purchase-sidebar-muted);
    opacity: .85;
}

.side-menu {
    padding-bottom: 18px;
}

.side-section {
    margin-top: 16px;
    padding: 7px 10px;
    color: var(--purchase-sidebar-muted);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .4px;
    opacity: .86;
    text-transform: uppercase;
}

.side-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 4px 0;
    padding: 10px;
    color: var(--purchase-sidebar-text);
    border-radius: 12px;
    text-decoration: none;
    transition: .15s ease;
}

.side-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .09);
}

.side-link.active {
    color: #fff;
    background: rgba(59, 130, 246, .24);
    border: 1px solid rgba(96, 165, 250, .34);
}

.side-link i {
    flex: 0 0 22px;
    width: 22px;
    text-align: center;
    font-size: 1rem;
}

.side-link span {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    white-space: nowrap;
}

.side-badge {
    min-width: 22px;
    padding: 3px 6px;
    color: #fff;
    background: #dc2626;
    border-radius: 999px;
    font-size: 11px;
    font-style: normal;
    font-weight: 800;
    text-align: center;
}

.side-collapse-btn {
    position: sticky;
    bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 42px;
    margin-top: 16px;
    color: #e2e8f0;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 14px;
    font-weight: 800;
}

.side-collapse-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, .12);
}

body.purchase-sidebar-collapsed .erp-side-panel {
    width: var(--purchase-sidebar-collapsed-width);
    min-width: var(--purchase-sidebar-collapsed-width);
}

body.purchase-sidebar-collapsed .side-brand {
    justify-content: center;
    padding-inline: 6px;
}

body.purchase-sidebar-collapsed .side-brand-text,
body.purchase-sidebar-collapsed .side-search,
body.purchase-sidebar-collapsed .side-section,
body.purchase-sidebar-collapsed .side-link span,
body.purchase-sidebar-collapsed .side-collapse-btn span {
    width: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

body.purchase-sidebar-collapsed .side-link,
body.purchase-sidebar-collapsed .side-collapse-btn {
    justify-content: center;
}

body.purchase-sidebar-collapsed .side-badge {
    position: absolute;
    top: 4px;
    inset-inline-end: 4px;
    min-width: 18px;
    padding: 2px 5px;
    font-size: 10px;
}

@media (max-width: 1024px) {
    .purchase-mobile-menu-btn {
        position: fixed;
        top: 78px;
        inset-inline-start: 14px;
        z-index: 1042;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        min-height: 42px;
        padding: 0 14px;
        color: #fff;
        background: #2563eb;
        border: 0;
        border-radius: 999px;
        box-shadow: 0 12px 30px rgba(37, 99, 235, .25);
        font-weight: 800;
    }

    .purchase-sidebar-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1038;
        background: rgba(15, 23, 42, .44);
        backdrop-filter: blur(2px);
    }

    body.purchase-sidebar-open .purchase-sidebar-backdrop {
        display: block;
    }

    .erp-side-panel,
    body.purchase-sidebar-collapsed .erp-side-panel {
        position: fixed !important;
        top: 0;
        bottom: 0;
        inset-inline-start: 0;
        width: min(86vw, 330px) !important;
        min-width: 0 !important;
        height: 100vh;
        transform: translateX(-105%);
        box-shadow: 18px 0 45px rgba(15, 23, 42, .25);
    }

    html[dir="rtl"] .erp-side-panel,
    html[dir="rtl"] body.purchase-sidebar-collapsed .erp-side-panel {
        transform: translateX(105%);
    }

    body.purchase-sidebar-open .erp-side-panel {
        transform: translateX(0) !important;
    }

    body.purchase-sidebar-collapsed .side-brand-text,
    body.purchase-sidebar-collapsed .side-search,
    body.purchase-sidebar-collapsed .side-section,
    body.purchase-sidebar-collapsed .side-link span,
    body.purchase-sidebar-collapsed .side-collapse-btn span {
        width: auto;
        opacity: 1;
        overflow: visible;
        pointer-events: auto;
    }

    body.purchase-sidebar-collapsed .side-link,
    body.purchase-sidebar-collapsed .side-collapse-btn {
        justify-content: flex-start;
    }

    .side-collapse-btn {
        display: none;
    }
}

@media (max-width: 520px) {
    .purchase-mobile-menu-btn {
        top: 70px;
        inset-inline-start: 10px;
        min-height: 38px;
        padding: 0 12px;
        font-size: 13px;
    }

    .erp-side-panel,
    body.purchase-sidebar-collapsed .erp-side-panel {
        width: min(92vw, 320px) !important;
    }
}