/* ==========================================================================
   Serial Codes Generator & Validator - Backend Styles
   Modern SaaS-style admin UI
   ========================================================================== */

/* --- Custom Properties (scoped to admin page) --- */
.serial-codes-admin-page {
    --sc-primary: #2563eb;
    --sc-primary-hover: #1d4ed8;
    --sc-primary-light: #eff6ff;
    --sc-success: #22c55e;
    --sc-success-hover: #16a34a;
    --sc-danger: #ef4444;
    --sc-danger-hover: #dc2626;
    --sc-warning: #f59e0b;
    --sc-bg: #f8fafc;
    --sc-card-bg: #ffffff;
    --sc-border: #e5e7eb;
    --sc-border-light: #f3f4f6;
    --sc-text: #111827;
    --sc-text-secondary: #6b7280;
    --sc-text-muted: #9ca3af;
    --sc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --sc-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --sc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --sc-radius: 12px;
    --sc-radius-sm: 8px;
    --sc-spacing: 24px;
    --sc-spacing-sm: 16px;
    --sc-spacing-xs: 8px;
    --sc-transition: 0.15s ease;
}

/* --- Base Layout --- */
.sngmbh_container {
    /*width: 98%;*/
}

.serial-codes-admin-page {
    padding-top: 10px;
    padding-right: 10px;
}





/* FOUC Prevention: sc-ready is added by JS after CSS is loaded.
   The initial opacity:0 is inline in the PHP wrapper. */
.serial-codes-admin-page.sc-ready {
    opacity: 1 !important;
}

.serial-codes-admin-page .sngmbh_container {
    animation: sc-fade-in 0.3s ease;
}

@keyframes sc-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Bootstrap-like form utilities (MUST be preserved) --- */
.sngmbh_mb-3, .sngmbh_my-3 {
    margin-bottom: 1rem!important;
}
.sngmbh_input-group {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: stretch;
    align-items: stretch;
    width: 100%;
}
.sngmbh_input-group>.sngmbh_custom-select:not(:last-child), .sngmbh_input-group>.sngmbh_form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.sngmbh_input-group>.sngmbh_custom-file, .sngmbh_input-group>.sngmbh_custom-select, .sngmbh_input-group>.sngmbh_form-control, .sngmbh_input-group>.sngmbh_form-control-plaintext {
    position: relative;
    -ms-flex: 1 1 0%;
    flex: 1 1 0%;
    min-width: 0;
    margin-bottom: 0;
}
.sngmbh_mb-2, .sngmbh_my-2 {
    margin-bottom: .5rem!important;
}
@media (prefers-reduced-motion: reduce) {
    .sngmbh_form-control {
        transition: none;
    }
}
.sngmbh_form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + .75rem + 2px);
    padding: .375rem .75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.sngmbh_input-group-append {
    margin-left: -1px;
}
.sngmbh_input-group-append, .sngmbh_input-group-prepend {
    display: -ms-flexbox;
    display: flex;
}
.sngmbh_input-group>.sngmbh_input-group-append>.sngmbh_btn, .sngmbh_input-group>.sngmbh_input-group-append>.sngmbh_input-group-text, .sngmbh_input-group>.sngmbh_input-group-prepend:first-child>.sngmbh_btn:not(:first-child), .sngmbh_input-group>.sngmbh_input-group-prepend:first-child>.sngmbh_input-group-text:not(:first-child), .sngmbh_input-group>.sngmbh_input-group-prepend:not(:first-child)>.sngmbh_btn, .sngmbh_input-group>.sngmbh_input-group-prepend:not(:first-child)>.sngmbh_input-group-text {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}
.sngmbh_input-group-append .sngmbh_btn, .sngmbh_input-group-prepend .sngmbh_btn {
    position: relative;
    z-index: 2;
}
.serial-codes-admin-page [type=button]:not(:disabled), .serial-codes-admin-page [type=reset]:not(:disabled), .serial-codes-admin-page [type=submit]:not(:disabled), .serial-codes-admin-page button:not(:disabled) {
    cursor: pointer;
}
@media (prefers-reduced-motion: reduce) {
    .sngmbh_btn {
        transition: none;
    }
}
.sngmbh_btn {
    display: inline-block;
    font-weight: 400;
    color: #212529;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0 10px;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    min-height: 30px;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
.sngmbh_btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}
.sngmbh_btn-delete {
    color: #fff;
    background-color: #ff0000;
    border-color: #ff0000;
}
.serial-codes-admin-page [type=button], .serial-codes-admin-page [type=reset], .serial-codes-admin-page [type=submit], .serial-codes-admin-page button {
    -webkit-appearance: button;
}

/* ==========================================================================
   Header Bar
   ========================================================================== */
.sc-header {
    background-color: #2563eb;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.15);
}

.sc-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.sc-header-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.sc-header-name {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.sc-header-meta {
    font-size: 12px;
    opacity: 0.9;
}

.sc-header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Responsive header */
@media (max-width: 782px) {
    .sc-header {
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 10px;
    }

    .sc-header-right {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ==========================================================================
   Topbar & Navigation
   ========================================================================== */
.sc-topbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.sc-topbar-left {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

/* Top menu (pill buttons) */
.sc-topmenu {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    justify-content: flex-end;
}

/* === RESET + STYLE FOR TOPMENU BUTTONS === */
button.sc-topmenu-item,
button.sc-topmenu-item-active {
    all: unset;
    box-sizing: border-box;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 6px 14px;
    border-radius: 999px;

    font-size: 13px;
    font-family: inherit;
    font-weight: 500;

    cursor: pointer;
    text-decoration: none;

    color: #111827;
    background: transparent;
    border: 1px solid var(--sc-border);

    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

button.sc-topmenu-item:hover {
    background: #f3f4f6;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

button.sc-topmenu-item-active {
    background: var(--sc-primary-light);
    color: var(--sc-primary);
    border-color: var(--sc-primary);
}

button.sc-topmenu-item:focus,
button.sc-topmenu-item-active:focus {
    outline: none;
    box-shadow: none;
}

/* ==========================================================================
   Card System
   ========================================================================== */
.serial-codes-admin-page .sc-card {
    background: var(--sc-card-bg);
    border-radius: var(--sc-radius);
    padding: var(--sc-spacing);
    box-shadow: var(--sc-shadow);
    border: 1px solid var(--sc-border);
    margin-bottom: var(--sc-spacing-sm);
    transition: box-shadow var(--sc-transition);
}

.serial-codes-admin-page .sc-card:hover {
    box-shadow: var(--sc-shadow-md);
}

.serial-codes-admin-page .sc-card-header {
    font-size: 15px;
    font-weight: 600;
    color: var(--sc-text);
    margin-bottom: var(--sc-spacing-sm);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--sc-border-light);
    display: flex;
    align-items: center;
}

.serial-codes-admin-page .sc-card-body {
    /* card body container */
}

/* Links inside cards */
.serial-codes-admin-page .sc-card a {
    color: var(--sc-primary);
    text-decoration: none;
    transition: color var(--sc-transition);
}

.serial-codes-admin-page .sc-card a:hover {
    color: var(--sc-primary-hover);
    text-decoration: underline;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.serial-codes-admin-page .sc-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.serial-codes-admin-page .sc-badge-success {
    background: #dcfce7;
    color: #166534;
}

.serial-codes-admin-page .sc-badge-danger {
    background: #fef2f2;
    color: #991b1b;
}

.serial-codes-admin-page .sc-badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.serial-codes-admin-page .sc-badge-primary {
    background: var(--sc-primary-light);
    color: var(--sc-primary);
}

/* ==========================================================================
   Spinner
   ========================================================================== */
.serial-codes-admin-page .lds-dual-ring {
    display: inline-block;
    width: 40px;
    height: 40px;
}

.serial-codes-admin-page .lds-dual-ring:after {
    content: " ";
    display: block;
    width: 28px;
    height: 28px;
    margin: 4px;
    border-radius: 50%;
    border: 3px solid var(--sc-primary);
    border-color: var(--sc-primary) transparent var(--sc-primary) transparent;
    animation: lds-dual-ring 0.8s linear infinite;
}

/* ==========================================================================
   Buttons (brand-styled within plugin context)
   ========================================================================== */
.serial-codes-admin-page .button-primary {
    background: var(--sc-primary) !important;
    border-color: var(--sc-primary) !important;
    color: #fff !important;
    border-radius: 6px;
    padding: 4px 16px;
    font-size: 13px;
    font-weight: 500;
    transition: background var(--sc-transition), box-shadow var(--sc-transition);
    box-shadow: none;
    text-shadow: none;
}

.serial-codes-admin-page .button-primary:hover,
.serial-codes-admin-page .button-primary:focus {
    background: var(--sc-primary-hover) !important;
    border-color: var(--sc-primary-hover) !important;
    color: #fff !important;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3) !important;
}

.serial-codes-admin-page .button-secondary,
.serial-codes-admin-page .button {
    border-radius: 6px;
    padding: 4px 16px;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--sc-transition);
}

.serial-codes-admin-page .button-delete,
.serial-codes-admin-page .sngmbh_btn-delete {
    background: var(--sc-danger) !important;
    border-color: var(--sc-danger) !important;
    color: #fff !important;
    border-radius: 6px;
    padding: 4px 16px;
    font-size: 13px;
    font-weight: 500;
    transition: background var(--sc-transition), box-shadow var(--sc-transition);
}

.serial-codes-admin-page .button-delete:hover,
.serial-codes-admin-page .sngmbh_btn-delete:hover {
    background: var(--sc-danger-hover) !important;
    border-color: var(--sc-danger-hover) !important;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3) !important;
}

/* ==========================================================================
   DataTables inside cards
   ========================================================================== */
.serial-codes-admin-page .sc-card table.dataTable {
    border-collapse: collapse;
    width: 100% !important;
}

.serial-codes-admin-page .sc-card table.dataTable thead th {
    background: var(--sc-bg);
    border-bottom: 2px solid var(--sc-border);
    color: var(--sc-text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 10px 12px;
    vertical-align: bottom;
}

.serial-codes-admin-page .sc-card table.dataTable tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sc-border-light);
    font-size: 13px;
    color: var(--sc-text);
}

.serial-codes-admin-page .sc-card table.dataTable tbody tr:nth-child(even) {
    background-color: var(--sc-bg);
}

.serial-codes-admin-page .sc-card table.dataTable tbody tr:hover {
    background-color: var(--sc-primary-light);
}

/* DataTables general overrides (also outside cards) */
.serial-codes-admin-page table.dataTable {
    border-collapse: collapse;
    width: 100% !important;
}

.serial-codes-admin-page table.dataTable thead th {
    background: var(--sc-bg);
    border-bottom: 2px solid var(--sc-border);
    color: var(--sc-text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 10px 12px;
}

.serial-codes-admin-page table.dataTable tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sc-border-light);
    font-size: 13px;
    color: var(--sc-text);
}

.serial-codes-admin-page table.dataTable tbody tr:nth-child(even) {
    background-color: var(--sc-bg);
}

.serial-codes-admin-page table.dataTable tbody tr:hover {
    background-color: var(--sc-primary-light);
}

/* DataTables search/length controls */
.serial-codes-admin-page .dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 13px;
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--sc-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
    outline: none;
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 13px;
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_info {
    font-size: 12px;
    color: var(--sc-text-secondary);
    padding-top: 10px;
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px !important;
    font-size: 13px;
    padding: 4px 10px !important;
    transition: all var(--sc-transition);
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--sc-primary) !important;
    border-color: var(--sc-primary) !important;
    color: #fff !important;
}

.serial-codes-admin-page .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--sc-primary-light) !important;
    border-color: var(--sc-primary) !important;
    color: var(--sc-primary) !important;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.serial-codes-admin-page .sc-footer {
    margin-top: 60px;
    padding-top: var(--sc-spacing);
    border-top: 1px solid var(--sc-border);
}

.serial-codes-admin-page .sc-footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sc-spacing-sm);
    margin-bottom: var(--sc-spacing);
}

@media (max-width: 900px) {
    .serial-codes-admin-page .sc-footer-grid {
        grid-template-columns: 1fr;
    }
}

.serial-codes-admin-page .sc-footer-card {
    margin-bottom: 0;
}

.serial-codes-admin-page .sc-footer-card p {
    color: var(--sc-text-secondary);
    font-size: 13px;
    line-height: 1.6;
    margin: 0 0 8px 0;
}

.serial-codes-admin-page .sc-footer-card a {
    color: var(--sc-primary);
    font-weight: 500;
}

.serial-codes-admin-page .sc-footer-card a:hover {
    color: var(--sc-primary-hover);
}

.serial-codes-admin-page .sc-footer-shortcodes {
    margin-top: var(--sc-spacing-sm);
}

.serial-codes-admin-page .sc-footer-shortcodes h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--sc-text);
    margin: var(--sc-spacing) 0 var(--sc-spacing-xs) 0;
}

.serial-codes-admin-page .sc-footer-shortcodes p {
    color: var(--sc-text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

.serial-codes-admin-page .sc-footer-shortcodes b {
    display: inline-block;
    background: var(--sc-primary-light);
    color: var(--sc-primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-family: monospace;
}

.serial-codes-admin-page .sc-footer-shortcodes ul {
    color: var(--sc-text-secondary);
    font-size: 13px;
    line-height: 1.8;
    padding-left: 20px;
}

.serial-codes-admin-page .sc-footer-shortcodes li b {
    background: none;
    color: var(--sc-text);
    padding: 0;
    font-family: inherit;
}

.serial-codes-admin-page .sc-footer-credits {
    text-align: center;
    padding: var(--sc-spacing-sm) 0;
    color: var(--sc-text-muted);
    font-size: 12px;
    border-top: 1px solid var(--sc-border-light);
    margin-top: var(--sc-spacing);
}

.serial-codes-admin-page .sc-footer-credits a {
    color: var(--sc-text-secondary);
    text-decoration: none;
    transition: color var(--sc-transition);
}

.serial-codes-admin-page .sc-footer-credits a:hover {
    color: var(--sc-primary);
}

/* ==========================================================================
   Headings inside plugin
   ========================================================================== */
.serial-codes-admin-page .sngmbh_container h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--sc-text);
    margin: 0 0 var(--sc-spacing-sm) 0;
}

.serial-codes-admin-page .sngmbh_container h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--sc-text);
    margin: var(--sc-spacing-sm) 0 var(--sc-spacing-xs) 0;
}

/* ==========================================================================
   Form inputs inside plugin
   ========================================================================== */
.serial-codes-admin-page input[type="text"],
.serial-codes-admin-page input[type="number"],
.serial-codes-admin-page input[type="date"],
.serial-codes-admin-page input[type="email"],
.serial-codes-admin-page input[type="url"],
.serial-codes-admin-page select,
.serial-codes-admin-page textarea {
    border-radius: 6px;
    border: 1px solid var(--sc-border);
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
}

.serial-codes-admin-page input[type="text"]:focus,
.serial-codes-admin-page input[type="number"]:focus,
.serial-codes-admin-page input[type="date"]:focus,
.serial-codes-admin-page input[type="email"]:focus,
.serial-codes-admin-page input[type="url"]:focus,
.serial-codes-admin-page select:focus,
.serial-codes-admin-page textarea:focus {
    border-color: var(--sc-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
    outline: none;
}

.serial-codes-admin-page input[type="checkbox"] {
    accent-color: var(--sc-primary);
}

/* ==========================================================================
   jQuery UI Dialog - Modern Override
   ========================================================================== */

/* Overlay backdrop */
.ui-widget-overlay {
    background: rgba(15, 23, 42, 0.4) !important;
    backdrop-filter: blur(2px);
    opacity: 1 !important;
}

/* Dialog container */
.ui-dialog {
    border: none !important;
    border-radius: 16px !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
    padding: 0 !important;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Title bar */
.ui-dialog .ui-dialog-titlebar {
    background: #2563eb !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 16px 20px !important;
    color: #fff !important;
    position: relative !important;
}

.ui-dialog .ui-dialog-title {
    color: #fff !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    float: none !important;
    width: auto !important;
}

/* Close button in title bar */
.ui-dialog .ui-dialog-titlebar-close {
    background: rgba(255, 255, 255, 0.2) !important;
    border: none !important;
    border-radius: 50% !important;
    width: 28px !important;
    height: 28px !important;
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    margin: 0 !important;
    padding: 0 !important;
    transition: background 0.15s ease;
}

.ui-dialog .ui-dialog-titlebar-close:hover {
    background: rgba(255, 255, 255, 0.35) !important;
}

.ui-dialog .ui-dialog-titlebar-close .ui-icon {
    background-image: none !important;
}

.ui-dialog .ui-dialog-titlebar-close .ui-icon::before {
    content: "\00d7";
    display: block;
    text-align: center;
    font-size: 18px;
    line-height: 28px;
    color: #fff;
    font-style: normal;
}

/* No-close variant */
.ui-dialog.no-close .ui-dialog-titlebar-close {
    display: none;
}

/* Dialog content area */
.ui-dialog .ui-dialog-content {
    padding: 24px !important;
    font-size: 13px;
    line-height: 1.6;
    color: #111827;
}

.ui-dialog .ui-dialog-content p {
    margin: 0 0 12px 0;
}

.ui-dialog .ui-dialog-content form {
    margin: 0;
}

.ui-dialog .ui-dialog-content input[type="text"],
.ui-dialog .ui-dialog-content input[type="number"],
.ui-dialog .ui-dialog-content input[type="email"],
.ui-dialog .ui-dialog-content select,
.ui-dialog .ui-dialog-content textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 13px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    box-sizing: border-box;
}

.ui-dialog .ui-dialog-content input[type="text"]:focus,
.ui-dialog .ui-dialog-content input[type="number"]:focus,
.ui-dialog .ui-dialog-content input[type="email"]:focus,
.ui-dialog .ui-dialog-content select:focus,
.ui-dialog .ui-dialog-content textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
    outline: none;
}

.ui-dialog .ui-dialog-content input[type="checkbox"] {
    accent-color: #2563eb;
}

/* Button pane */
.ui-dialog .ui-dialog-buttonpane {
    border-top: 1px solid #f3f4f6 !important;
    background: #f8fafc !important;
    padding: 12px 20px !important;
    margin-top: 0 !important;
}

.ui-dialog .ui-dialog-buttonpane .ui-dialog-buttonset {
    float: right;
    display: flex;
    gap: 8px;
}

.ui-dialog .ui-dialog-buttonpane button {
    border-radius: 8px !important;
    padding: 6px 18px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    line-height: 1.4 !important;
    height: auto !important;
    min-height: 0 !important;
    box-sizing: border-box !important;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid #e5e7eb !important;
    background: #fff !important;
    color: #111827 !important;
    margin: 0 !important;
}

.ui-dialog .ui-dialog-buttonpane button:first-child {
    background: #2563eb !important;
    border-color: #2563eb !important;
    color: #fff !important;
}

.ui-dialog .ui-dialog-buttonpane button:first-child:hover {
    background: #1d4ed8 !important;
    border-color: #1d4ed8 !important;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.ui-dialog .ui-dialog-buttonpane button:hover {
    background: #f3f4f6 !important;
    border-color: #d1d5db !important;
}

.ui-dialog .ui-dialog-buttonpane button:first-child:hover {
    background: #1d4ed8 !important;
    color: #fff !important;
}

/* Delete/danger button styling inside dialogs */
.ui-dialog .sngmbh_btn-delete {
    background: #ef4444 !important;
    border-color: #ef4444 !important;
    color: #fff !important;
    border-radius: 8px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 500;
}

.ui-dialog .sngmbh_btn-delete:hover {
    background: #dc2626 !important;
    border-color: #dc2626 !important;
}

/* Tables inside dialogs */
.ui-dialog table.widefat td:hover {
    background-color: #eff6ff !important;
}

/* Spinner inside dialog */
.ui-dialog .lds-dual-ring:after {
    border-color: #2563eb transparent #2563eb transparent;
}

/* ==========================================================================
   Tabs
   ========================================================================== */
.serial-codes-admin-page .sc-tabs {
    width: 100%;
}

.serial-codes-admin-page .sc-tab-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--sc-border);
}

.serial-codes-admin-page .sc-tab-nav li {
    margin: 0;
}

.serial-codes-admin-page .sc-tab-nav a {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    text-decoration: none;
    color: var(--sc-text-secondary);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    background: transparent;
    transition: color var(--sc-transition), background var(--sc-transition);
    cursor: pointer;
    position: relative;
    bottom: -2px;
}

.serial-codes-admin-page .sc-tab-nav a:hover {
    color: var(--sc-text);
    background: var(--sc-bg);
}

.serial-codes-admin-page .sc-tab-nav a.active {
    color: var(--sc-primary);
    background: var(--sc-card-bg);
    border-color: var(--sc-border);
    border-bottom: 2px solid var(--sc-card-bg);
    font-weight: 600;
}

.serial-codes-admin-page .sc-tab-content {
    background: var(--sc-card-bg);
    border: 1px solid var(--sc-border);
    border-top: none;
    border-radius: 0 0 var(--sc-radius) var(--sc-radius);
    padding: var(--sc-spacing);
    box-shadow: var(--sc-shadow);
}

@media (max-width: 782px) {
    .serial-codes-admin-page .sc-tab-nav {
        flex-wrap: wrap;
    }

    .serial-codes-admin-page .sc-tab-nav a {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* ==========================================================================
   Scroll-to-top Button
   ========================================================================== */
.serial-codes-admin-page .sc-scroll-top-btn {
    all: unset;
    box-sizing: border-box;
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sc-primary);
    color: #fff;
    border-radius: 50%;
    box-shadow: var(--sc-shadow-md);
    cursor: pointer;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s ease;
    pointer-events: none;
    z-index: 9999;
}

.serial-codes-admin-page .sc-scroll-top-btn.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.serial-codes-admin-page .sc-scroll-top-btn:hover {
    background: var(--sc-primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}