:root {
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 72px;
    --navbar-height: 56px;
    --bg-soft: #f6f8fb;
    --card-radius: 12px;
}

body {
    background-color: var(--bg-soft);
}

.card {
    border-radius: var(--card-radius);
    border: 1px solid rgba(16, 24, 40, 0.06);
}

.navbar .navbar-brand span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 40vw;
}

@media (max-width: 575.98px) {
    .navbar .navbar-brand span {
        max-width: 35vw;
        font-size: 0.95rem;
    }
}

.notif-dropdown {
    min-width: 320px;
    max-width: min(92vw, 420px);
    width: max-content;
}

.notif-dropdown .dropdown-item {
    white-space: normal;
}

.notif-dropdown .dropdown-item:active,
.notif-dropdown .dropdown-item.active,
.notif-dropdown .dropdown-item:focus {
    background-color: transparent !important;
    color: inherit !important;
}

.notif-dropdown .dropdown-item .fw-semibold,
.notif-dropdown .dropdown-item .text-muted {
    white-space: normal;
    overflow-wrap: anywhere;
}

.notif-dropdown form button {
    white-space: nowrap;
}

.navbar .btn {
    display: inline-flex;
    align-items: center;
}

.navbar .ms-auto {
    flex-wrap: wrap;
}

@media (max-width: 575.98px) {
    .dropdown-menu.notif-dropdown {
        position: fixed !important;
        top: calc(var(--navbar-height) + 4px) !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        right: auto !important;
        max-width: calc(100vw - 1rem);
        width: calc(100vw - 1rem);
        z-index: 1060; /* above content */
    }
}

.dropdown-menu.notif-dropdown {
    max-height: 60vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
}

.dropdown-menu.notif-dropdown::-webkit-scrollbar {
    width: 8px;
}
.dropdown-menu.notif-dropdown::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}
.dropdown-menu.notif-dropdown::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.notif-card {
    background: #f8f9fa;
}

.notif-action {
    color: #0d6efd;
}
.notif-action:hover {
    text-decoration: underline;
}

.notif-read-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    width: 100%;
    justify-content: center;
    border-radius: 8px;
}

.card .card-header {
    background: #fff;
    border-bottom: 1px solid rgba(16, 24, 40, 0.06);
    border-top-left-radius: var(--card-radius);
    border-top-right-radius: var(--card-radius);
}

@media (min-width: 992px) {
    #appSidebar.offcanvas-lg {
        position: fixed;
        top: var(--navbar-height);
        bottom: 0;
        left: 0;
        width: var(--sidebar-width);
        transform: none !important;
        visibility: visible !important;
        border-right: 1px solid rgba(0, 0, 0, 0.125);
        background-color: #fff;
        overflow-y: auto;
    }

    #appSidebar .offcanvas-body {
        overflow-y: auto;
    }

    body > main {
        margin-left: var(--sidebar-width);
        min-height: calc(100vh - var(--navbar-height));
        background-color: var(--bg-soft);
    }

    .site-footer {
        margin-left: var(--sidebar-width);
    }

    body.sidebar-collapsed #appSidebar.offcanvas-lg {
        width: var(--sidebar-width-collapsed);
    }
    body.sidebar-collapsed > main,
    body.sidebar-collapsed .site-footer {
        margin-left: var(--sidebar-width-collapsed);
    }
    body.sidebar-collapsed #appSidebar .nav-link span {
        display: none;
    }
    body.sidebar-collapsed #appSidebar .nav-item.small,
    body.sidebar-collapsed #appSidebar .nav-item.small ~ .nav-item.small {
        display: none;
    }
}

#appSidebar .nav-link {
    border-radius: 0.5rem;
    margin: 0 0.5rem;
    color: #334155;
}

#appSidebar .nav-link.active {
    background: #0d6efd;
    color: #fff;
    box-shadow: 0 2px 6px rgba(13, 110, 253, 0.2);
}

#appSidebar .nav-link.active:hover {
    background: #0b5ed7;
    color: #fff;
}

#appSidebar .nav-link .bi {
    width: 1.25rem;
    text-align: center;
}

#appSidebar .nav-item.small {
    letter-spacing: 0.08em;
}

#appSidebar .nav-link:hover {
    background: rgba(13, 110, 253, 0.08);
}

#appSidebar .nav-link:hover {
    color: #0b2e66;
}

#appSidebar .nav-link.active:hover {
    background: #0b5ed7;
    color: #fff;
}

@media (max-width: 991.98px) {
    #appSidebar .offcanvas-body {
        overflow-y: auto;
    }

    .site-footer {
        margin-left: 0;
    }
}