/* ============================================
   Layout — Nav, Footer, Cards, Buttons
   ============================================ */
.btn-glow:hover {
    box-shadow: 0 0 20px rgba(23, 163, 74, 0.4);
}

/* Primary green button */
.btn-accent {
    background: #17A34A;
    color: #fff;
    transition: background 0.2s, box-shadow 0.2s;
}

    .btn-accent:hover, .btn-accent:focus {
        background: #138a3e;
        color: #fff;
        box-shadow: 0 0 16px rgba(23, 163, 74, 0.35);
    }

/* Ghost button on dark backgrounds */
.btn-ghost-light {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.2);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

    .btn-ghost-light:hover, .btn-ghost-light:focus {
        background: rgba(255,255,255,0.1);
        color: #fff;
        border-color: rgba(255,255,255,0.4);
    }

/* Nav link hover (light text on dark nav) */
.nav-link-hover {
    transition: color 0.2s;
}

    .nav-link-hover:hover, .nav-link-hover:focus {
        color: #fff !important;
    }

.book-card {
    transition: all 0.3s ease;
}

    .book-card:hover {
        box-shadow: 0 8px 25px rgba(0,0,0,0.12) !important;
        transform: translateY(-2px);
    }

    .book-card a {
        overflow: hidden;
        display: block;
    }

    .book-card img {
        transition: transform 0.3s ease, filter 0.3s ease;
    }

        .book-card img:hover {
            transform: scale(1.05);
        }

        .book-card img:active {
            transform: scale(0.95);
            filter: brightness(0.9);
        }

/* Click animation for book cards */
@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.book-card-clicked {
    animation: cardPulse 0.3s ease;
}

@keyframes cardPulse {
    0% {
        transform: translateY(-2px) scale(1);
    }

    50% {
        transform: translateY(-2px) scale(0.97);
    }

    100% {
        transform: translateY(-2px) scale(1);
    }
}

.filter-section {
    padding: 10px 16px;
    border-radius: 8px;
    background: linear-gradient(to right, #f8fafc, #eef2ff);
    border: 1px solid #e2e8f0;
}

/* Hide empty validation summaries */
.validation-summary-valid {
    display: none !important;
}

/* Remove bullets from validation error lists */
.validation-summary-errors ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.validation-summary-errors li {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.5rem;
    background-color: #fee;
    border-left: 3px solid #dc3545;
    border-radius: 0.25rem;
}

.validation-summary-errors li:last-child {
    margin-bottom: 0;
}

/* Sticky sidebar for cart page (lg+ only) */
@media (min-width: 992px) {
    .position-lg-sticky {
        position: sticky !important;
    }
}

/* Cart items scroll area */
.cart-items-scroll {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.cart-item {
    transition: background 0.15s;
}

    .cart-item:hover {
        background: rgba(23, 163, 74, 0.03);
    }

[data-bs-theme="dark"] .cart-item:hover {
    background: rgba(23, 163, 74, 0.08);
}

/* ============================================
   DataTables Theme Overrides
   ============================================ */

/* Shared table styling (matches DataTables look) */
.table-styled {
    border-collapse: collapse;
    width: 100%;
}

    .table-styled thead th {
        background: #f8fafc;
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #94a3b8;
        padding: 0.875rem 1.25rem;
        border-bottom: 2px solid #e2e8f0;
        border-top: none;
        white-space: nowrap;
    }

    .table-styled tbody td {
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
        color: #475569;
        border-bottom: 1px solid #f1f5f9;
        vertical-align: middle;
    }

    .table-styled tbody tr {
        transition: background 0.15s;
    }

        .table-styled tbody tr:hover {
            background: #f8fafc;
        }

        .table-styled tbody tr:last-child td {
            border-bottom: none;
        }

/* DataTables-specific overrides (v2.x uses dt-* classes) */
.dataTables_wrapper,
div.dt-container {
    font-family: 'Inter', system-ui, sans-serif;
}

    .dataTables_wrapper .dataTables_filter,
    .dataTables_wrapper .dataTables_length,
    div.dt-container div.dt-search,
    div.dt-container div.dt-length {
        margin-bottom: 1.25rem;
        font-size: 0.875rem;
        color: #64748b;
    }

        .dataTables_wrapper .dataTables_filter label,
        .dataTables_wrapper .dataTables_length label,
        div.dt-container div.dt-search label,
        div.dt-container div.dt-length label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }

        .dataTables_wrapper .dataTables_filter input,
        div.dt-container div.dt-search input {
            border: 1px solid #e2e8f0;
            border-radius: 0.375rem;
            padding: 0.5rem 0.75rem;
            font-size: 0.875rem;
            outline: none;
            min-width: 200px;
            background: #f8fafc;
            color: #1e293b;
            transition: all 0.2s;
        }

            .dataTables_wrapper .dataTables_filter input:focus,
            div.dt-container div.dt-search input:focus {
                border-color: #17A34A;
                box-shadow: 0 0 0 3px rgba(23, 163, 74, 0.12);
                background: #fff;
            }

        .dataTables_wrapper .dataTables_length select,
        div.dt-container div.dt-length select,
        div.dt-container select.dt-input {
            border: 1px solid #e2e8f0 !important;
            border-radius: 0.375rem !important;
            padding: 0.4rem 2rem 0.4rem 0.75rem !important;
            font-size: 0.875rem !important;
            background: #f8fafc !important;
            color: #1e293b !important;
            outline: none !important;
            cursor: pointer;
            -webkit-appearance: none !important;
            appearance: none !important;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E") !important;
            background-repeat: no-repeat !important;
            background-position: right 0.6rem center !important;
        }

            .dataTables_wrapper .dataTables_length select:focus,
            div.dt-container div.dt-length select:focus,
            div.dt-container select.dt-input:focus {
                border-color: #17A34A !important;
                box-shadow: 0 0 0 3px rgba(23, 163, 74, 0.12) !important;
                background-color: #fff !important;
            }

    /* DataTables 2.x search input */
    div.dt-container input.dt-input {
        border: 1px solid #e2e8f0 !important;
        border-radius: 0.375rem !important;
        padding: 0.5rem 0.75rem !important;
        font-size: 0.875rem !important;
        outline: none !important;
        min-width: 200px;
        background: #f8fafc !important;
        color: #1e293b !important;
        transition: all 0.2s;
    }

        div.dt-container input.dt-input:focus {
            border-color: #17A34A !important;
            box-shadow: 0 0 0 3px rgba(23, 163, 74, 0.12) !important;
            background: #fff !important;
        }
/* DataTables 2.x Layout Fix - Ensure controls stay on same row */
div.dt-layout-row {
    display: flex !important;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

div.dt-layout-cell {
    flex: 0 0 auto;
}

div.dt-layout-start {
    flex: 0 0 auto;
}

div.dt-layout-end {
    flex: 0 0 auto;
    margin-left: auto;
}

/* Ensure length and search controls display inline */
div.dt-length,
div.dt-search {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Prevent wrapping on larger screens */
@media (min-width: 768px) {
    div.dt-layout-row {
        flex-wrap: nowrap;
    }
}
/* Table */
table.dataTable {
    border-collapse: collapse !important;
    width: 100% !important;
}

    table.dataTable thead th {
        background: #f8fafc;
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #94a3b8;
        padding: 0.875rem 1.25rem !important;
        border-bottom: 2px solid #e2e8f0 !important;
        border-top: none !important;
        white-space: nowrap;
    }

        table.dataTable thead th:active,
        table.dataTable thead th.sorting_asc,
        table.dataTable thead th.sorting_desc {
            color: #17A34A;
        }

    table.dataTable tbody td {
        padding: 0.875rem 1.25rem !important;
        font-size: 0.875rem;
        color: #475569;
        border-bottom: 1px solid #f1f5f9 !important;
        vertical-align: middle;
    }

    table.dataTable tbody tr:hover {
        background: #f8fafc !important;
    }

    table.dataTable.no-footer {
        border-bottom: none !important;
    }

    /* Sorting indicators */
    table.dataTable thead .sorting::before,
    table.dataTable thead .sorting::after,
    table.dataTable thead .sorting_asc::before,
    table.dataTable thead .sorting_asc::after,
    table.dataTable thead .sorting_desc::before,
    table.dataTable thead .sorting_desc::after {
        opacity: 0.3;
    }

    table.dataTable thead .sorting_asc::before,
    table.dataTable thead .sorting_desc::after {
        opacity: 0.8;
        color: #17A34A;
    }

/* Pagination */
.dataTables_wrapper .dataTables_paginate,
div.dt-container div.dt-paging {
    margin-top: 1rem;
}

    .dataTables_wrapper .dataTables_paginate .paginate_button,
    div.dt-container div.dt-paging button.dt-paging-button {
        padding: 0.375rem 0.75rem !important;
        margin: 0 2px;
        border-radius: 0.375rem;
        font-size: 0.8rem;
        font-weight: 500;
        border: 1px solid #e2e8f0 !important;
        color: #475569 !important;
        background: #fff !important;
        transition: all 0.15s;
    }

        .dataTables_wrapper .dataTables_paginate .paginate_button:hover,
        div.dt-container div.dt-paging button.dt-paging-button:hover {
            background: #f1f5f9 !important;
            color: #17A34A !important;
            border-color: #17A34A !important;
        }

        .dataTables_wrapper .dataTables_paginate .paginate_button.current,
        div.dt-container div.dt-paging button.dt-paging-button.current {
            background: #17A34A !important;
            color: #fff !important;
            border-color: #17A34A !important;
            font-weight: 600;
        }

            .dataTables_wrapper .dataTables_paginate .paginate_button.current:hover,
            div.dt-container div.dt-paging button.dt-paging-button.current:hover {
                background: #15803D !important;
                border-color: #15803D !important;
                color: #fff !important;
            }

        .dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
        .dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover,
        div.dt-container div.dt-paging button.dt-paging-button.disabled,
        div.dt-container div.dt-paging button.dt-paging-button.disabled:hover {
            color: #cbd5e1 !important;
            background: #f8fafc !important;
            border-color: #e2e8f0 !important;
            cursor: default;
        }

/* Info */
.dataTables_wrapper .dataTables_info,
div.dt-container div.dt-info {
    font-size: 0.8rem;
    color: #94a3b8;
    padding-top: 1rem;
    font-weight: 500;
}

/* Empty row */
.dataTables_wrapper .dataTables_empty {
    padding: 3rem !important;
    text-align: center;
    color: #94a3b8;
    font-style: italic;
}

/* ============================================
   Home Page — Hero & Filter Animations
   ============================================ */

/* Hero book fan layout */
.hero-book-main {
    transition: transform 0.4s ease;
    display: block;
}

    .hero-book-main:hover {
        transform: translateY(-8px);
    }

.hero-book-side a {
    transition: all 0.4s ease;
}

.hero-book-side:hover a {
    opacity: 1 !important;
    transform: scale(1.05);
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

@keyframes heroPulse {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }
}

.hero-animate {
    animation: heroFadeUp 0.7s ease-out both;
}

.hero-delay-1 {
    animation-delay: 0.12s;
}

.hero-delay-2 {
    animation-delay: 0.24s;
}

.hero-delay-3 {
    animation-delay: 0.36s;
}

.hero-delay-4 {
    animation-delay: 0.5s;
}

.animate-hero-pulse {
    animation: heroPulse 3s ease-in-out infinite;
}

.counter {
    font-variant-numeric: tabular-nums;
}

/* Filter panel */
#filters {
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

    #filters.collapsed {
        max-height: 0;
        opacity: 0;
        margin-bottom: 0;
        border-width: 0;
        padding-top: 0;
        padding-bottom: 0;
    }

    #filters.expanded {
        max-height: 600px;
        opacity: 1;
    }

#filterChevron {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#filterToggleBtn {
    transition: all 0.3s ease;
}

    #filterToggleBtn:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(15, 118, 110, 0.15);
    }

/* ============================================
   Summernote Theme Overrides
   ============================================ */
.note-editor.note-frame {
    border: 1px solid #e2e8f0 !important;
    border-radius: 0.5rem !important;
    overflow: hidden;
    font-family: 'Inter', system-ui, sans-serif;
}

.note-editor .note-toolbar {
    background: #f8fafc !important;
    border-bottom: 1px solid #e2e8f0 !important;
    padding: 0.375rem 0.5rem !important;
}

    .note-editor .note-toolbar .note-btn-group .note-btn {
        background: transparent !important;
        border: 1px solid transparent !important;
        border-radius: 0.375rem !important;
        color: #64748b !important;
        font-size: 0.8rem;
        padding: 0.3rem 0.5rem !important;
        transition: all 0.15s;
    }

        .note-editor .note-toolbar .note-btn-group .note-btn:hover {
            background: #e2e8f0 !important;
            color: #1e293b !important;
        }

        .note-editor .note-toolbar .note-btn-group .note-btn.active {
            background: #17A34A !important;
            color: #fff !important;
            border-color: #17A34A !important;
        }

.note-editor .note-editing-area .note-editable {
    background: #fff !important;
    color: #334155;
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0.75rem 1rem !important;
}

    .note-editor .note-editing-area .note-editable:focus {
        outline: none;
    }

.note-editor .note-statusbar {
    background: #f8fafc !important;
    border-top: 1px solid #e2e8f0 !important;
}

    .note-editor .note-statusbar .note-resizebar .note-icon-bar {
        border-top-color: #cbd5e1 !important;
    }

/* Dropdown overrides */
.note-editor .note-dropdown-menu {
    border: 1px solid #e2e8f0 !important;
    border-radius: 0.375rem !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08) !important;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.8rem;
}

    .note-editor .note-dropdown-menu .note-dropdown-item:hover {
        background: #f1f5f9 !important;
        color: #17A34A !important;
    }

/* ============================================
   Dark Theme Overrides
   ============================================ */
[data-bs-theme="dark"] {
    --bs-body-bg: #121212;
    --bs-body-color: #e2e8f0;
}

    /* Body background */
    [data-bs-theme="dark"] body {
        background-color: #121212 !important;
    }

    /* Navbar */
    [data-bs-theme="dark"] header .navbar {
        background: #0a0a0a !important;
        border-bottom-color: rgba(255,255,255,0.06) !important;
    }

    /* Footer */
    [data-bs-theme="dark"] footer {
        background: #0a0a0a !important;
    }

    /* Cards */
    [data-bs-theme="dark"] .card {
        background: #1e1e1e !important;
        border-color: #2a2a2a !important;
        color: #e2e8f0;
    }

    [data-bs-theme="dark"] .card-body {
        color: #e2e8f0;
    }

    /* Card headers (gradient ones stay as-is since they're already dark) */

    /* Form controls */
    [data-bs-theme="dark"] .form-control,
    [data-bs-theme="dark"] .form-select {
        background-color: #2a2a2a !important;
        border-color: #3a3a3a !important;
        color: #e2e8f0 !important;
    }

        [data-bs-theme="dark"] .form-control:focus,
        [data-bs-theme="dark"] .form-select:focus {
            background-color: #2a2a2a !important;
            border-color: #17A34A !important;
            color: #e2e8f0 !important;
        }

        [data-bs-theme="dark"] .form-control:disabled,
        [data-bs-theme="dark"] .form-control[readonly] {
            background-color: #1a1a1a !important;
            color: #94a3b8 !important;
        }

    [data-bs-theme="dark"] .form-control-plaintext {
        color: #cbd5e1 !important;
    }

    [data-bs-theme="dark"] .form-label {
        color: #cbd5e1 !important;
    }

    [data-bs-theme="dark"] .input-group-text {
        background-color: #2a2a2a !important;
        border-color: #3a3a3a !important;
        color: #94a3b8 !important;
    }

    /* Tables – styled tables */
    [data-bs-theme="dark"] .table-styled thead th {
        background: #1a1a1a;
        color: #64748b;
        border-bottom-color: #2a2a2a;
    }

    [data-bs-theme="dark"] .table-styled tbody td {
        color: #cbd5e1;
        border-bottom-color: #232323;
    }

    [data-bs-theme="dark"] .table-styled tbody tr:hover {
        background: #232323;
    }

    /* DataTables overrides */
    [data-bs-theme="dark"] table.dataTable thead th {
        background: #1a1a1a !important;
        color: #64748b !important;
        border-bottom-color: #2a2a2a !important;
    }

    [data-bs-theme="dark"] table.dataTable tbody td {
        color: #cbd5e1 !important;
        border-bottom-color: #232323 !important;
    }

    [data-bs-theme="dark"] table.dataTable tbody tr:hover {
        background: #232323 !important;
    }

    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_filter input,
    [data-bs-theme="dark"] div.dt-container div.dt-search input,
    [data-bs-theme="dark"] div.dt-container input.dt-input {
        background: #2a2a2a !important;
        border-color: #3a3a3a !important;
        color: #e2e8f0 !important;
    }

        [data-bs-theme="dark"] .dataTables_wrapper .dataTables_filter input:focus,
        [data-bs-theme="dark"] div.dt-container div.dt-search input:focus,
        [data-bs-theme="dark"] div.dt-container input.dt-input:focus {
            background: #2a2a2a !important;
            border-color: #17A34A !important;
        }

    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_length select,
    [data-bs-theme="dark"] div.dt-container div.dt-length select,
    [data-bs-theme="dark"] div.dt-container select.dt-input {
        background-color: #2a2a2a !important;
        border-color: #3a3a3a !important;
        color: #e2e8f0 !important;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E") !important;
        background-repeat: no-repeat !important;
        background-position: right 0.6rem center !important;
    }

    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_filter,
    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_length,
    [data-bs-theme="dark"] div.dt-container div.dt-search,
    [data-bs-theme="dark"] div.dt-container div.dt-length {
        color: #94a3b8 !important;
    }

    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_info,
    [data-bs-theme="dark"] div.dt-container div.dt-info {
        color: #64748b !important;
    }

    [data-bs-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button,
    [data-bs-theme="dark"] div.dt-container div.dt-paging button.dt-paging-button {
        background: #1e1e1e !important;
        border-color: #2a2a2a !important;
        color: #94a3b8 !important;
    }

        [data-bs-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button:hover,
        [data-bs-theme="dark"] div.dt-container div.dt-paging button.dt-paging-button:hover {
            background: #2a2a2a !important;
            color: #17A34A !important;
            border-color: #17A34A !important;
        }

        [data-bs-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
        [data-bs-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover,
        [data-bs-theme="dark"] div.dt-container div.dt-paging button.dt-paging-button.disabled,
        [data-bs-theme="dark"] div.dt-container div.dt-paging button.dt-paging-button.disabled:hover {
            background: #1a1a1a !important;
            border-color: #232323 !important;
            color: #475569 !important;
        }

    /* Badges */
    [data-bs-theme="dark"] .badge.bg-light {
        background: #2a2a2a !important;
        color: #e2e8f0 !important;
    }

    /* Alerts */
    [data-bs-theme="dark"] .alert-danger {
        background: rgba(220,38,38,0.15) !important;
        border-color: rgba(220,38,38,0.25) !important;
        color: #fca5a5 !important;
    }

    [data-bs-theme="dark"] .alert-warning {
        background: rgba(245,158,11,0.15) !important;
        border-color: rgba(245,158,11,0.25) !important;
        color: #fcd34d !important;
    }

    [data-bs-theme="dark"] .alert-info {
        background: rgba(59,130,246,0.15) !important;
        border-color: rgba(59,130,246,0.25) !important;
        color: #93c5fd !important;
    }

    /* bg-light overrides */
    [data-bs-theme="dark"] .bg-light {
        background-color: #1a1a1a !important;
    }

    /* Text overrides */
    [data-bs-theme="dark"] .text-dark {
        color: #e2e8f0 !important;
    }

    [data-bs-theme="dark"] .text-secondary {
        color: #94a3b8 !important;
    }

    /* Filter section */
    [data-bs-theme="dark"] .filter-section {
        background: linear-gradient(to right, #1a1a1a, #1e1e2e) !important;
        border-color: #2a2a2a !important;
    }

    /* Book cards */
    [data-bs-theme="dark"] .book-card {
        background: #1e1e1e !important;
        border-color: #2a2a2a !important;
    }

    /* Summernote */
    [data-bs-theme="dark"] .note-editor.note-frame {
        border-color: #3a3a3a !important;
    }

    [data-bs-theme="dark"] .note-editor .note-toolbar {
        background: #1a1a1a !important;
        border-bottom-color: #2a2a2a !important;
    }

        [data-bs-theme="dark"] .note-editor .note-toolbar .note-btn-group .note-btn {
            color: #94a3b8 !important;
        }

            [data-bs-theme="dark"] .note-editor .note-toolbar .note-btn-group .note-btn:hover {
                background: #2a2a2a !important;
                color: #e2e8f0 !important;
            }

    [data-bs-theme="dark"] .note-editor .note-editing-area .note-editable {
        background: #1e1e1e !important;
        color: #e2e8f0 !important;
    }

    [data-bs-theme="dark"] .note-editor .note-statusbar {
        background: #1a1a1a !important;
        border-top-color: #2a2a2a !important;
    }

    /* btn-outline-success / btn-outline-danger on dark */
    [data-bs-theme="dark"] .btn-outline-success {
        color: #4ade80 !important;
        border-color: #4ade80 !important;
    }

    [data-bs-theme="dark"] .btn-outline-danger {
        color: #fb7185 !important;
        border-color: #fb7185 !important;
    }

    /* Hero curve fill — must match body bg */
    [data-bs-theme="dark"] .hero-curve-fill {
        fill: #121212 !important;
    }

    /* Hardcoded inline color overrides */
    [data-bs-theme="dark"] [style*="color: #191414"],
    [data-bs-theme="dark"] [style*="color: #1e293b"] {
        color: #e2e8f0 !important;
    }

    /* bg-white elements (volume discount cards, etc.) */
    [data-bs-theme="dark"] .bg-white {
        background-color: #252525 !important;
    }

    /* Borders */
    [data-bs-theme="dark"] .border {
        border-color: #2a2a2a !important;
    }

    [data-bs-theme="dark"] .border-bottom {
        border-bottom-color: #2a2a2a !important;
    }

    [data-bs-theme="dark"] .border-top {
        border-top-color: #2a2a2a !important;
    }

    [data-bs-theme="dark"] hr {
        border-color: #2a2a2a !important;
    }

    /* btn-outline-dark ? light in dark mode */
    [data-bs-theme="dark"] .btn-outline-dark {
        color: #cbd5e1 !important;
        border-color: #475569 !important;
    }

        [data-bs-theme="dark"] .btn-outline-dark:hover {
            background: #2a2a2a !important;
            color: #fff !important;
            border-color: #64748b !important;
        }

    /* btn-outline-secondary */
    [data-bs-theme="dark"] .btn-outline-secondary {
        color: #94a3b8 !important;
        border-color: #475569 !important;
    }

        [data-bs-theme="dark"] .btn-outline-secondary:hover {
            background: #2a2a2a !important;
            color: #e2e8f0 !important;
        }

    /* btn-light */
    [data-bs-theme="dark"] .btn-light {
        background: #2a2a2a !important;
        color: #e2e8f0 !important;
        border-color: #3a3a3a !important;
    }

        [data-bs-theme="dark"] .btn-light:hover {
            background: #3a3a3a !important;
        }

    /* card-footer */
    [data-bs-theme="dark"] .card-footer {
        background: #1a1a1a !important;
        border-top-color: #2a2a2a !important;
    }

    /* No-image placeholder backgrounds */
    [data-bs-theme="dark"] [style*="background: linear-gradient(135deg, #e2e8f0, #cbd5e1)"] {
        background: linear-gradient(135deg, #1e1e1e, #2a2a2a) !important;
    }

    /* Category badge on book cards */
    [data-bs-theme="dark"] .badge.bg-white {
        background: #2a2a2a !important;
        color: #e2e8f0 !important;
    }

    /* No-results area */
    [data-bs-theme="dark"] [style*="background: #f1f5f9"] {
        background: #1e1e1e !important;
    }

    /* Dashboard stat icon backgrounds — keep but slightly mute */
    [data-bs-theme="dark"] [style*="background: #dbeafe"] {
        background: rgba(59,130,246,0.15) !important;
    }

    [data-bs-theme="dark"] [style*="background: #d1fae5"] {
        background: rgba(16,185,129,0.15) !important;
    }

    [data-bs-theme="dark"] [style*="background: #f3e8ff"] {
        background: rgba(139,92,246,0.15) !important;
    }

    [data-bs-theme="dark"] [style*="background: #fef3c7"] {
        background: rgba(245,158,11,0.15) !important;
    }

    /* Login card footer (dark bg already) */
    [data-bs-theme="dark"] .card-footer[style*="background: #1e293b"] {
        background: #0a0a0a !important;
    }

    /* SweetAlert2 dark */
    [data-bs-theme="dark"] .swal2-popup {
        background: #1e1e1e !important;
        color: #e2e8f0 !important;
    }

    [data-bs-theme="dark"] .swal2-title {
        color: #e2e8f0 !important;
    }

    [data-bs-theme="dark"] .swal2-html-container {
        color: #94a3b8 !important;
    }

    /* Toastr dark */
    [data-bs-theme="dark"] .toast {
        background: #1e1e1e !important;
    }

.cart-btn {
    transition: all 0.3s ease;
}

    .cart-btn:hover {
        background: rgba(255,255,255,0.12) !important;
        transform: translateY(-2px);
        border-color: rgba(255,255,255,0.25) !important;
    }

        .cart-btn:hover .cart-icon-circle {
            background: rgba(23, 163, 74, 0.8) !important;
        }

    .cart-btn:hover {
        color: #17A34A !important;
    }
/* Theme toggle animation */
#themeToggle {
    transition: transform 0.3s ease;
}

    #themeToggle:hover {
        transform: rotate(25deg);
    }