:root {
    --sdds-shell-bg: #edf3f8;
    --sdds-shell-surface: #ffffff;
    --sdds-shell-border: rgba(15, 23, 42, 0.08);
    --sdds-shell-shadow: 0 24px 55px rgba(15, 23, 42, 0.08);
    --sdds-shell-text: #0f172a;
    --sdds-shell-muted: #64748b;
    --sdds-sidebar-bg-start: #07121d;
    --sdds-sidebar-bg-mid: #0b1b2a;
    --sdds-sidebar-bg-end: #10293d;
    --sdds-sidebar-border: rgba(255, 255, 255, 0.08);
    --sdds-sidebar-text: #dce7f3;
    --sdds-sidebar-muted: #87a0b6;
    --sdds-sidebar-hover: rgba(255, 255, 255, 0.06);
    --sdds-sidebar-active: rgba(243, 184, 112, 0.18);
    --sdds-sidebar-active-border: rgba(243, 184, 112, 0.42);
    --sdds-sidebar-active-glow: rgba(89, 153, 224, 0.22);
    --sdds-sidebar-icon: #90c4ff;
    --sdds-sidebar-icon-active: #ffe1b6;
    --sdds-sidebar-rail: rgba(255, 255, 255, 0.14);
}

body.sdds-admin-shell {
    font-family: "Manrope", "Source Sans Pro", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(75, 132, 193, 0.08), transparent 25%),
        linear-gradient(180deg, #f6f9fc 0%, var(--sdds-shell-bg) 100%);
    color: var(--sdds-shell-text);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(120, 183, 255, 0.18), transparent 24%),
        radial-gradient(circle at 100% 10%, rgba(247, 196, 124, 0.16), transparent 22%),
        linear-gradient(180deg, var(--sdds-sidebar-bg-start) 0%, var(--sdds-sidebar-bg-mid) 42%, var(--sdds-sidebar-bg-end) 100%);
    border-right: 1px solid var(--sdds-sidebar-border);
    box-shadow: 18px 0 48px rgba(6, 18, 31, 0.24);
    overflow: hidden;
    animation: sddsSidebarReveal 520ms ease-out;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
    pointer-events: none;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .brand-link.sdds-brand {
    position: relative;
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.9rem;
    min-height: 78px;
    padding: 1rem 1.1rem 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(14px);
}

body.sdds-admin-shell .sdds-brand-image {
    position: relative;
    width: 40px;
    max-height: 40px;
    margin-left: 0;
    border-radius: 14px;
    padding: 0.3rem;
    background: rgba(255, 255, 255, 0.12);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.18),
        0 14px 28px rgba(6, 18, 31, 0.24);
    object-fit: cover;
}

body.sdds-admin-shell .sdds-brand-text {
    display: inline-flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-left: 0;
    line-height: 1;
}

body.sdds-admin-shell .sdds-brand-wordmark {
    display: block;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #f8fbff;
}

body.sdds-admin-shell .sdds-brand-tag {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(220, 231, 243, 0.7);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar {
    position: relative;
    flex: 1 1 auto;
    min-height: 0;
    height: calc(100vh - 78px);
    max-height: calc(100vh - 78px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    padding: 0.95rem 0.8rem 1.35rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(144, 196, 255, 0.45) rgba(255, 255, 255, 0.04);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host {
    padding: 0;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar nav,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host .os-padding,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host .os-viewport {
    height: 100%;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar nav,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host .os-content {
    min-height: 100%;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host .os-content {
    padding: 0.95rem 0.8rem 1.35rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar.os-host .os-scrollbar-vertical {
    padding: 0.65rem 0.2rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar::-webkit-scrollbar {
    width: 8px;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 999px;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(255, 216, 161, 0.66) 0%, rgba(144, 196, 255, 0.6) 100%);
    border-radius: 999px;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .sidebar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(255, 216, 161, 0.88) 0%, rgba(144, 196, 255, 0.82) 100%);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar {
    gap: 0.25rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-header {
    padding: 1rem 0.85rem 0.45rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(220, 231, 243, 0.5);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item {
    margin-bottom: 0.2rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 52px;
    padding: 0.7rem 0.85rem;
    border-radius: 18px;
    color: var(--sdds-sidebar-text);
    font-weight: 700;
    letter-spacing: 0.01em;
    transition:
        transform 180ms ease,
        background-color 180ms ease,
        box-shadow 180ms ease,
        color 180ms ease;
    overflow: hidden;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link:hover {
    transform: translateX(4px);
    background: var(--sdds-sidebar-hover);
    color: #ffffff;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item.menu-open > .nav-link,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link.active {
    background:
        linear-gradient(135deg, var(--sdds-sidebar-active), rgba(105, 165, 232, 0.2)),
        rgba(255, 255, 255, 0.04);
    border: 1px solid var(--sdds-sidebar-active-border);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 18px 34px var(--sdds-sidebar-active-glow);
    color: #ffffff;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link::after {
    content: "";
    position: absolute;
    left: 0.7rem;
    top: 0.8rem;
    bottom: 0.8rem;
    width: 3px;
    border-radius: 999px;
    background: transparent;
    transition: background-color 180ms ease;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item.menu-open > .nav-link::after,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link.active::after {
    background: linear-gradient(180deg, #ffd8a1 0%, #90c4ff 100%);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link > .nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    min-width: 2.2rem;
    height: 2.2rem;
    margin-right: 0;
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--sdds-sidebar-icon);
    font-size: 0.96rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition:
        background-color 180ms ease,
        color 180ms ease,
        transform 180ms ease;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-item.menu-open > .nav-link > .nav-icon,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link.active > .nav-icon,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link:hover > .nav-icon {
    background: rgba(255, 255, 255, 0.12);
    color: var(--sdds-sidebar-icon-active);
    transform: translateY(-1px);
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    margin: 0;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link p .right {
    margin-left: auto;
    color: rgba(220, 231, 243, 0.62);
    transition:
        color 180ms ease,
        transform 180ms ease;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-item.menu-open > .nav-link p .right,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link.active p .right,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-link:hover p .right {
    color: #ffffff;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview {
    position: relative;
    margin: 0.4rem 0 0.25rem 0.85rem;
    padding: 0.25rem 0 0.1rem 0.85rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview::before {
    content: "";
    position: absolute;
    left: 0.35rem;
    top: 0.25rem;
    bottom: 0.45rem;
    width: 1px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--sdds-sidebar-rail) 18%, rgba(255, 255, 255, 0));
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item {
    margin-bottom: 0.18rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link {
    min-height: 42px;
    padding: 0.58rem 0.8rem 0.58rem 0.9rem;
    border-radius: 14px;
    color: var(--sdds-sidebar-muted);
    font-size: 0.83rem;
    font-weight: 600;
    transition:
        transform 180ms ease,
        background-color 180ms ease,
        color 180ms ease;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link:hover {
    transform: translateX(3px);
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link.active {
    background: rgba(243, 184, 112, 0.12);
    box-shadow: inset 0 0 0 1px rgba(243, 184, 112, 0.18);
    color: #ffffff;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link > .nav-icon {
    width: 1.75rem;
    min-width: 1.75rem;
    height: 1.75rem;
    background: transparent;
    box-shadow: none;
    color: rgba(220, 231, 243, 0.55);
    font-size: 0.46rem;
}

body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link.active > .nav-icon,
body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-treeview > .nav-item > .nav-link:hover > .nav-icon {
    color: #ffe1b6;
}

body.sdds-admin-shell .main-header.sdds-topnav {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

body.sdds-admin-shell .content-wrapper.sdds-content-wrapper {
    background:
        radial-gradient(circle at top right, rgba(109, 165, 231, 0.08), transparent 24%),
        linear-gradient(180deg, #f7fafc 0%, var(--sdds-shell-bg) 100%);
}

body.sdds-admin-shell .content-header.sdds-content-header h1 {
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #13253a;
}

body.sdds-admin-shell .card {
    border: 1px solid var(--sdds-shell-border);
    border-radius: 20px;
    box-shadow: var(--sdds-shell-shadow);
}

body.sdds-admin-shell .card .card-header {
    border-bottom-color: rgba(15, 23, 42, 0.06);
    background: rgba(255, 255, 255, 0.72);
}

body.sdds-admin-shell .nav-item.dropdown.user-menu {
    display: none;
}

@media (min-width: 992px) {
    body.sdds-admin-shell.sidebar-mini.sidebar-collapse .main-sidebar.sdds-sidebar .brand-link.sdds-brand {
        justify-content: center;
        padding-inline: 0.85rem;
    }

    body.sdds-admin-shell.sidebar-mini.sidebar-collapse .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link {
        justify-content: center;
        padding-inline: 0;
    }

    body.sdds-admin-shell.sidebar-mini.sidebar-collapse .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link::after {
        left: 50%;
        top: auto;
        bottom: 0.45rem;
        width: 24px;
        height: 3px;
        transform: translateX(-50%);
    }
}

@media (max-width: 991.98px) {
    body.sdds-admin-shell .main-sidebar.sdds-sidebar .brand-link.sdds-brand {
        padding: 0.95rem 1rem;
    }

    body.sdds-admin-shell .main-sidebar.sdds-sidebar .nav-sidebar > .nav-item > .nav-link {
        min-height: 50px;
        padding-inline: 0.8rem;
    }
}

@keyframes sddsSidebarReveal {
    from {
        opacity: 0;
        transform: translateX(-18px);
    }

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