/* ===== DatyaVidya Theme — Deep Teal & Gold ===== */
/* Primary: #1a3a4a | Accent: #d4a843 | Font: Inter  */

/* ── CSS Variables ──────────────────────────────────── */
:root {
    --teal:         #1a3a4a;
    --teal-dark:    #122c39;
    --teal-light:   #234d60;
    --gold:         #d4a843;
    --gold-dark:    #b8912e;
    --gold-light:   #e8c364;
    --gold-bg:      rgba(212,168,67,.15);
    --gold-bg-hover:rgba(212,168,67,.08);
    --body-bg:      #f4f6f9;
}

/* ── Base ───────────────────────────────────────────── */
body { font-family: 'Inter', sans-serif; background: var(--body-bg); overflow-x: clip; }
::selection { background: rgba(212,168,67,.2); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #aaa; }

/* ── Sidebar ────────────────────────────────────────── */
.sidebar {
    width: 240px;
    height: 100vh;
    background: var(--teal);
    position: fixed;
    top: 0; left: 0;
    z-index: 1030;
    overflow: hidden;
    transition: width .25s ease, transform .3s;
    display: flex;
    flex-direction: column;
}
.sidebar .nav-link {
    color: rgba(255,255,255,.55);
    font-size: .8rem;
    padding: .45rem 1rem .45rem 1.25rem;
    transition: all .15s;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
}
.sidebar .nav-link:hover  { color: rgba(255,255,255,.9); background: var(--gold-bg-hover); }
.sidebar .nav-link.active { color: #fff; background: var(--gold-bg); border-left-color: var(--gold); font-weight: 600; }
.sidebar .nav-link i      { width: 18px; text-align: center; font-size: .85rem; flex-shrink: 0; }

.sidebar-brand { padding: .85rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); flex-shrink: 0; }
.sidebar-brand a { display: flex; align-items: center; gap: .65rem; }
.sidebar-brand-mark {
    width: 36px; height: 36px; border-radius: 10px;
    background: linear-gradient(135deg, var(--gold), #c9953a);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 1.2rem; color: var(--teal);
    letter-spacing: -.02em; flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(212,168,67,.35);
}
.sidebar-brand-text { line-height: 1.15; }
.sidebar-brand-name { font-size: 1.05rem; font-weight: 700; color: #fff; }
.sidebar-brand-name span { color: var(--gold); }
.sidebar-brand-sub { font-size: .6rem; color: rgba(255,255,255,.35); letter-spacing: .06em; font-weight: 500; }

/* Thin scrollbar on sidebar */
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: transparent; border-radius: 4px; }
.sidebar:hover::-webkit-scrollbar-thumb { background: rgba(255,255,255,.2); }
.sidebar { scrollbar-width: thin; scrollbar-color: transparent transparent; }
.sidebar:hover { scrollbar-color: rgba(255,255,255,.2) transparent; }

/* ── Collapsible Nav Groups ─────────────────────────── */
.nav-group-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(255,255,255,.35);
    padding: .7rem 1rem .25rem;
    font-weight: 700;
    user-select: none;
    transition: color .15s;
    text-decoration: none;
}
.nav-group-toggle:hover { color: rgba(255,255,255,.55); }
.nav-group-toggle .toggle-arrow { font-size: .6rem; transition: transform .2s; color: rgba(255,255,255,.25); }
.nav-group-toggle[aria-expanded="false"] .toggle-arrow { transform: rotate(-90deg); }
.nav-group-toggle[aria-expanded="true"]  .toggle-arrow { transform: rotate(0deg); }
.nav-group-items .nav-link { padding-left: 2rem; font-size: .78rem; }
.nav-group-label {
    font-size: .625rem; text-transform: uppercase; letter-spacing: .1em;
    color: rgba(255,255,255,.25); padding: .7rem 1rem .25rem; font-weight: 700;
}

/* ── Main Content ───────────────────────────────────── */
.main-wrap    { margin-left: 240px; min-height: 100vh; transition: margin-left .25s ease; }
.top-bar      { border-bottom: 1px solid #e9ecef; background: #fff; padding: .6rem 1.5rem; position: sticky; top: 0; z-index: 1020; }
.content-area { padding: 1.25rem 1.5rem; }

/* ── Top Bar User Menu ──────────────────────────────── */
.user-menu .dropdown-toggle::after { display: none; }
.user-menu .dropdown-toggle { border: none; background: transparent; padding: .25rem .5rem; border-radius: 8px; transition: background .15s; cursor: pointer; }
.user-menu .dropdown-toggle:hover { background: #f0f0f0; }
.user-menu .dropdown-menu { border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.12); border: 1px solid #e9ecef; min-width: 180px; padding: .5rem; }
.user-menu .dropdown-item { border-radius: 6px; padding: .5rem .75rem; font-size: .85rem; transition: background .1s; }
.user-menu .dropdown-item:hover { background: var(--gold-bg); }

/* ── Avatar ─────────────────────────────────────────── */
.avatar-circle { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .75rem; color: #fff; flex-shrink: 0; }

/* ── Cards ──────────────────────────────────────────── */
.card { border: none; border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04); transition: box-shadow .2s; }
.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.card-header { background: #fff; border-bottom: 1px solid #f0f0f0; padding: .75rem 1.25rem; font-weight: 600; border-radius: 10px 10px 0 0 !important; }

/* ── Tables ─────────────────────────────────────────── */
.table { font-size: .875rem; }
.table > thead > tr > th {
    padding: .75rem 1rem;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: #6c757d;
    background-color: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
    white-space: nowrap;
    vertical-align: middle;
}
.table > tbody > tr > td {
    padding: .75rem 1rem;
    font-size: .875rem;
    color: #343a40;
    vertical-align: middle;
    border-bottom: 1px solid #eef0f3;
}
.table > tbody > tr:last-child > td { border-bottom: none; }
.table-hover tbody tr { transition: background .15s; }
.table-hover tbody tr:hover td { background: var(--gold-bg-hover) !important; }

/* ── Badges ─────────────────────────────────────────── */
.badge { font-weight: 500; font-size: .725rem; padding: .35em .6em; border-radius: 6px; }

/* ── Forms ──────────────────────────────────────────── */
.form-control:focus, .form-select:focus { border-color: var(--gold); box-shadow: 0 0 0 .2rem rgba(212,168,67,.15); }
.form-label { font-size: .8125rem; font-weight: 600; color: #495057; margin-bottom: .3rem; }
.form-control, .form-select { font-size: .875rem; border-radius: 8px; border-color: #dee2e6; }
.form-control-sm, .form-select-sm { font-size: .8rem; border-radius: 6px; }

/* ── Buttons ────────────────────────────────────────── */
.btn { font-size: .875rem; font-weight: 500; border-radius: 8px; transition: all .2s; }
.btn-sm { font-size: .8rem; border-radius: 6px; padding: .3rem .6rem; }
.btn:hover  { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(0,0,0,.12); }
.btn:active { transform: translateY(0) scale(0.97); box-shadow: none; }

/* ── DataTables ─────────────────────────────────────── */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter { padding: .875rem 1rem .5rem; }
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid #dee2e6; border-radius: 8px;
    padding: .3rem .6rem; font-size: .875rem; outline: none;
}
.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--gold); box-shadow: 0 0 0 .2rem rgba(212,168,67,.15);
}
.dataTables_wrapper .dataTables_length select {
    border: 1px solid #dee2e6; border-radius: 8px;
    padding: .3rem 1.75rem .3rem .6rem; font-size: .875rem;
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat; background-position: right .5rem center; background-size: 14px 10px;
}
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate { padding: .75rem 1rem; font-size: .85rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--gold) !important; color: #fff !important;
    border: 1px solid var(--gold) !important; border-radius: 6px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: #e9ecef !important; color: #343a40 !important;
    border-color: #dee2e6 !important; border-radius: 6px;
}
.dataTables_wrapper .dataTables_processing { padding: .5rem 1rem; border: none; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.1); }
.card-body.p-0 { overflow-x: visible; }
@media (max-width: 991.98px) { .card-body.p-0 { overflow-x: auto; -webkit-overflow-scrolling: touch; } }

/* ── Alerts / Flash Messages ────────────────────────── */
.alert { border-radius: 10px; font-size: .875rem; border: none; animation: fadeInDown .3s ease-in-out; }
.alert-success { background: #d1e7dd; color: #0f5132; }
.alert-danger  { background: #f8d7da; color: #842029; }
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Sidebar Toggle & Backdrop ───────────────────────── */
.sidebar-toggle {
    display: inline-flex;
    background: none; border: none;
    color: var(--teal); font-size: 1.3rem;
    padding: .25rem .5rem; border-radius: 6px;
    transition: background .15s; cursor: pointer;
    align-items: center; justify-content: center;
}
.sidebar-toggle:hover { background: rgba(26,58,74,.08); }
.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1029;
}
.sidebar-backdrop.show { display: block; }

/* ── Sidebar Collapsed (desktop icon-rail) ───────────── */
.sidebar.collapsed { width: 56px; }
.sidebar.collapsed .sidebar-brand { padding: .75rem; }
.sidebar.collapsed .sidebar-brand a { justify-content: center; }
.sidebar.collapsed .sidebar-brand-text,
.sidebar.collapsed .nav-group-toggle,
.sidebar.collapsed .nav-group-label,
.sidebar.collapsed .sidebar-version { display: none; }
.sidebar.collapsed .collapse { display: block !important; height: auto !important; }
.sidebar.collapsed .nav-group-items { padding: 0; }
.sidebar.collapsed .nav-link {
    font-size: 0;
    padding: .6rem 0;
    justify-content: center;
    border-left-color: transparent;
    border-radius: 0;
}
.sidebar.collapsed .nav-link i { font-size: .95rem; width: auto; }
.sidebar.collapsed .nav-link.active { background: var(--gold-bg); }
.main-wrap.sidebar-collapsed { margin-left: 56px; }

/* Anti-FOUC: apply collapsed state before JS runs */
[data-sidebar="collapsed"] #sidebarNav { width: 56px; }
[data-sidebar="collapsed"] .main-wrap  { margin-left: 56px; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); width: 240px !important; }
    .sidebar.show { transform: translateX(0); box-shadow: 4px 0 16px rgba(0,0,0,.4); }
    .main-wrap { margin-left: 0 !important; }
    .top-bar { padding: .5rem .75rem; }
    .content-area { padding: .75rem; }
    .table { font-size: .8rem; }
    .table > thead > tr > th,
    .table > tbody > tr > td { padding: .5rem .6rem; }
}
@media (max-width: 575.98px) {
    .content-area { padding: .5rem; }
    .btn { font-size: .8rem; }
    .form-control, .form-select { font-size: .8rem; }
    .card-body { padding: .75rem; }
}

/* ═══════════════════════════════════════════════════════
   DARK MODE — applies when <html data-theme="dark">
   ═══════════════════════════════════════════════════════ */
[data-theme="dark"] {
    --body-bg:        #0d1520;
    --card-bg:        #162230;
    --topbar-bg:      #162230;
    --border-col:     #1e3040;
    --text-primary:   #d1dde8;
    --text-muted-dm:  #607888;
    --input-bg:       #1a2b3c;
    --input-border:   #2a3f52;
    --dropdown-bg:    #162230;
    --table-head-bg:  #1a2b3c;
}

/* ── Base ──────────────────────────────────────────────── */
[data-theme="dark"] body { background: var(--body-bg); color: var(--text-primary); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #2a3f52; }
[data-theme="dark"] ::-webkit-scrollbar-track { background: transparent; }

/* ── Main content wrap ─────────────────────────────────── */
[data-theme="dark"] .main-wrap { background: var(--body-bg); }

/* ── Top bar ───────────────────────────────────────────── */
[data-theme="dark"] .top-bar { background: var(--topbar-bg); border-bottom-color: var(--border-col); }
[data-theme="dark"] .top-bar h5,
[data-theme="dark"] .top-bar h4 { color: var(--text-primary); }

/* ── Cards ─────────────────────────────────────────────── */
[data-theme="dark"] .card { background: var(--card-bg); border: 1px solid var(--border-col) !important; box-shadow: 0 2px 6px rgba(0,0,0,.35); }
[data-theme="dark"] .card:hover { box-shadow: 0 4px 14px rgba(0,0,0,.45); }
[data-theme="dark"] .card-header { background: var(--card-bg); border-bottom-color: var(--border-col); color: var(--text-primary); }
[data-theme="dark"] .card-body { color: var(--text-primary); }
[data-theme="dark"] .card-footer { background: var(--card-bg); border-top-color: var(--border-col); }
[data-theme="dark"] .card-title,
[data-theme="dark"] .card-text { color: var(--text-primary); }

/* ── Typography ────────────────────────────────────────── */
[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,
[data-theme="dark"] h4,[data-theme="dark"] h5,[data-theme="dark"] h6 { color: var(--text-primary); }
[data-theme="dark"] .text-muted  { color: var(--text-muted-dm) !important; }
[data-theme="dark"] .text-dark   { color: var(--text-primary)  !important; }
[data-theme="dark"] .text-body   { color: var(--text-primary)  !important; }
[data-theme="dark"] small        { color: var(--text-muted-dm); }

/* ── Borders & Dividers ────────────────────────────────── */
[data-theme="dark"] .border,
[data-theme="dark"] .border-top,
[data-theme="dark"] .border-bottom,
[data-theme="dark"] .border-start,
[data-theme="dark"] .border-end  { border-color: var(--border-col) !important; }
[data-theme="dark"] hr { border-color: var(--border-col); opacity: .4; }

/* ── Backgrounds ───────────────────────────────────────── */
[data-theme="dark"] .bg-white { background: var(--card-bg) !important; }
[data-theme="dark"] .bg-light { background: #1a2b3c       !important; }

/* ── Tables ────────────────────────────────────────────── */
[data-theme="dark"] .table { color: var(--text-primary); }
[data-theme="dark"] .table > thead > tr > th {
    background-color: var(--table-head-bg);
    color: var(--text-muted-dm);
    border-bottom-color: var(--border-col);
}
[data-theme="dark"] .table > tbody > tr > td {
    color: var(--text-primary);
    border-bottom-color: var(--border-col);
}
[data-theme="dark"] .table-hover tbody tr:hover td { background: rgba(212,168,67,.07) !important; }
[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) td { background: rgba(255,255,255,.02); }

/* ── Forms ─────────────────────────────────────────────── */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--gold);
    color: var(--text-primary);
    box-shadow: 0 0 0 .2rem rgba(212,168,67,.2);
}
[data-theme="dark"] .form-control::placeholder { color: var(--text-muted-dm); }
[data-theme="dark"] .form-label    { color: var(--text-muted-dm); }
[data-theme="dark"] .form-text     { color: var(--text-muted-dm); }
[data-theme="dark"] .form-select option { background: var(--input-bg); color: var(--text-primary); }
[data-theme="dark"] .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}
[data-theme="dark"] .form-check-input:checked { background-color: var(--gold); border-color: var(--gold); }
[data-theme="dark"] .form-check-label { color: var(--text-primary); }
[data-theme="dark"] .input-group-text {
    background: var(--table-head-bg);
    border-color: var(--input-border);
    color: var(--text-muted-dm);
}

/* ── Select2 ───────────────────────────────────────────── */
[data-theme="dark"] .select2-container--default .select2-selection--single {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}
[data-theme="dark"] .select2-container--default .select2-selection--single .select2-selection__rendered { color: var(--text-primary); }
[data-theme="dark"] .select2-dropdown { background-color: var(--dropdown-bg); border-color: var(--border-col); }
[data-theme="dark"] .select2-container--default .select2-results__option { color: var(--text-primary); }
[data-theme="dark"] .select2-container--default .select2-results__option--highlighted { background-color: rgba(212,168,67,.15); color: var(--text-primary); }
[data-theme="dark"] .select2-search--dropdown .select2-search__field {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

/* ── Dropdowns ─────────────────────────────────────────── */
[data-theme="dark"] .dropdown-menu {
    background: var(--dropdown-bg);
    border-color: var(--border-col);
    box-shadow: 0 8px 24px rgba(0,0,0,.45);
}
[data-theme="dark"] .dropdown-item         { color: var(--text-primary); }
[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus   { background: rgba(212,168,67,.1); color: var(--text-primary); }
[data-theme="dark"] .dropdown-divider      { border-color: var(--border-col); }
[data-theme="dark"] .dropdown-header       { color: var(--text-muted-dm); }

/* ── Buttons ───────────────────────────────────────────── */
[data-theme="dark"] .btn-outline-secondary { border-color: var(--border-col); color: var(--text-primary); }
[data-theme="dark"] .btn-outline-secondary:hover { background: rgba(255,255,255,.08); }
[data-theme="dark"] .btn-light  { background: #1e3040; color: var(--text-primary); border-color: var(--border-col); }
[data-theme="dark"] .btn-light:hover { background: #243b50; }
[data-theme="dark"] .user-menu .dropdown-toggle:hover { background: rgba(255,255,255,.08); }

/* ── Modals ────────────────────────────────────────────── */
[data-theme="dark"] .modal-content    { background: var(--card-bg); border-color: var(--border-col); color: var(--text-primary); }
[data-theme="dark"] .modal-header     { border-bottom-color: var(--border-col); }
[data-theme="dark"] .modal-footer     { border-top-color: var(--border-col); }
[data-theme="dark"] .modal-title      { color: var(--text-primary); }
[data-theme="dark"] .btn-close        { filter: invert(1) grayscale(1) brightness(2); }

/* ── Alerts ────────────────────────────────────────────── */
[data-theme="dark"] .alert-success { background: #0a2518; color: #6ee7b7; border-left: 4px solid #059669 !important; }
[data-theme="dark"] .alert-danger  { background: #2a0d0e; color: #fca5a5; border-left: 4px solid #dc2626 !important; }
[data-theme="dark"] .alert-warning { background: #2a1800; color: #fcd34d; border-left: 4px solid #d97706 !important; }
[data-theme="dark"] .alert-info    { background: #0a1e38; color: #93c5fd; border-left: 4px solid #2563eb !important; }

/* ── Badges ────────────────────────────────────────────── */
[data-theme="dark"] .badge.bg-light        { background: #1e3040 !important; color: var(--text-primary) !important; }
[data-theme="dark"] .badge.text-dark       { color: var(--text-primary) !important; }
[data-theme="dark"] .bg-secondary         { background: #2a3f52 !important; }

/* ── Nav tabs ──────────────────────────────────────────── */
[data-theme="dark"] .nav-tabs            { border-bottom-color: var(--border-col); }
[data-theme="dark"] .nav-tabs .nav-link  { color: var(--text-muted-dm); }
[data-theme="dark"] .nav-tabs .nav-link.active,
[data-theme="dark"] .nav-tabs .nav-link:hover {
    color: var(--text-primary);
    background: var(--card-bg);
    border-color: var(--border-col) var(--border-col) var(--card-bg);
}

/* ── Pagination ────────────────────────────────────────── */
[data-theme="dark"] .page-link {
    background: var(--card-bg);
    border-color: var(--border-col);
    color: var(--text-primary);
}
[data-theme="dark"] .page-item.active .page-link { background: var(--gold); border-color: var(--gold); color: var(--teal); }
[data-theme="dark"] .page-link:hover { background: rgba(212,168,67,.12); }

/* ── Progress bars ─────────────────────────────────────── */
[data-theme="dark"] .progress { background: #1e3040; }

/* ── List groups ───────────────────────────────────────── */
[data-theme="dark"] .list-group-item {
    background: var(--card-bg);
    border-color: var(--border-col);
    color: var(--text-primary);
}
[data-theme="dark"] .list-group-item:hover,
[data-theme="dark"] .list-group-item.active {
    background: rgba(212,168,67,.08);
    border-color: var(--border-col);
}

/* ── Accordion ─────────────────────────────────────────── */
[data-theme="dark"] .accordion-item    { background: var(--card-bg); border-color: var(--border-col); }
[data-theme="dark"] .accordion-button { background: var(--card-bg); color: var(--text-primary); box-shadow: none; }
[data-theme="dark"] .accordion-button:not(.collapsed) { background: rgba(212,168,67,.08); color: var(--gold); }
[data-theme="dark"] .accordion-body   { background: var(--card-bg); color: var(--text-primary); }

/* ── DataTables ────────────────────────────────────────── */
[data-theme="dark"] .dataTables_wrapper .dataTables_filter input {
    background: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}
[data-theme="dark"] .dataTables_wrapper .dataTables_length select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23d1dde8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}
[data-theme="dark"] .dataTables_wrapper .dataTables_info,
[data-theme="dark"] .dataTables_wrapper .dataTables_length,
[data-theme="dark"] .dataTables_wrapper .dataTables_filter { color: var(--text-muted-dm); }
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button { color: var(--text-primary) !important; }
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: rgba(212,168,67,.1) !important;
    border-color: var(--border-col) !important;
    color: var(--text-primary) !important;
}

/* ── Student detail custom tabs ────────────────────────── */
[data-theme="dark"] .student-tab-bar             { background: #1a2b3c; border-color: var(--border-col); }
[data-theme="dark"] .stab                        { color: var(--text-muted-dm); }
[data-theme="dark"] .stab.active                 { background: var(--card-bg); color: var(--text-primary); border-bottom-color: var(--gold) !important; }
[data-theme="dark"] .stab:hover                  { background: rgba(212,168,67,.06); color: var(--text-primary); }
[data-theme="dark"] .student-tab-content-wrap    { background: var(--card-bg); border-color: var(--border-col); }

/* ── Admin notification bell panel ────────────────────── */
[data-theme="dark"] .notif-panel                 { background: var(--card-bg); border-color: var(--border-col); }
[data-theme="dark"] .notif-item                  { color: var(--text-primary); border-bottom-color: var(--border-col); }
[data-theme="dark"] .notif-item:hover            { background: rgba(212,168,67,.06); }
[data-theme="dark"] .notif-empty                 { color: var(--text-muted-dm); }

/* ── Portal notification bell panel ───────────────────── */
[data-theme="dark"] .portal-notif-panel          { background: var(--card-bg); border-color: var(--border-col); }
[data-theme="dark"] .pn-item                     { color: var(--text-primary); border-bottom-color: var(--border-col); }
[data-theme="dark"] .pn-item:hover               { background: rgba(212,168,67,.06); }
[data-theme="dark"] .pn-empty                    { color: var(--text-muted-dm); }

/* ── Login page dark mode ──────────────────────────────── */
[data-theme="dark"] body.bg-light  { background: var(--body-bg)  !important; }
[data-theme="dark"] .card          { background: var(--card-bg); }

/* ── Staff / Parent portal header dark mode ────────────── */
[data-theme="dark"] .staff-header  { background: linear-gradient(135deg,#0e2236 0%,#152f47 100%) !important; }
[data-theme="dark"] .parent-header { background: #0e2236 !important; }

/* ── Page heading consistency ────────────────────────────
   Bootstrap defaults headings to font-weight:500.
   All page-level headings in .content-area should be 600.
   fw-bold (700 !important) on individual elements still wins.
   All 4 layouts now use .content-area on their body wrapper.
   ─────────────────────────────────────────────────────── */
.content-area h4,
.content-area h5 { font-weight: 600; }

/* ═══════════════════════════════════════════════════════
   DESIGN SYSTEM — Utility Components v2
   ═══════════════════════════════════════════════════════ */

/* ── Normalise table-dark so all tables look consistent ── */
.table-dark > thead > tr > th,
.table-dark thead th {
    background-color: #f8f9fa !important;
    color: #6c757d !important;
    border-bottom-color: #e9ecef !important;
}
.table-dark > tbody > tr > td,
.table-dark tbody td {
    background-color: transparent !important;
    color: #343a40 !important;
    border-bottom-color: #eef0f3 !important;
}
.table-dark { color: #343a40 !important; }
[data-theme="dark"] .table-dark > thead > tr > th,
[data-theme="dark"] .table-dark thead th {
    background-color: var(--table-head-bg) !important;
    color: var(--text-muted-dm) !important;
    border-bottom-color: var(--border-col) !important;
}
[data-theme="dark"] .table-dark > tbody > tr > td { color: var(--text-primary) !important; }

/* ── Page Header ─────────────────────────────────────── */
.page-header {
    display: flex; align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap; gap: .75rem;
}
.page-header h4, .page-header h5 {
    font-weight: 700; font-size: 1.05rem;
    color: var(--teal); margin-bottom: 0;
    display: flex; align-items: center; gap: .45rem;
}
.page-header .breadcrumb { margin-bottom: .2rem; }
.page-header-actions { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }

/* ── Filter / Toolbar Bar ────────────────────────────── */
.filter-bar {
    display: flex; align-items: center;
    gap: .5rem; flex-wrap: wrap;
    padding: .75rem 1rem;
    background: #fff; border-bottom: 1px solid #f0f0f0;
}
.filter-bar .form-select,
.filter-bar .form-control { min-width: 130px; max-width: 200px; flex: 1 1 130px; }
.filter-bar .btn { flex-shrink: 0; }

/* ── Section Label ───────────────────────────────────── */
.section-label {
    font-size: .625rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .1em;
    color: #9ca3af; margin-bottom: .75rem;
    padding-bottom: .35rem; border-bottom: 1px solid #f0f0f0;
}
[data-theme="dark"] .section-label { color: var(--text-muted-dm); border-bottom-color: var(--border-col); }

/* ── Icon Box ────────────────────────────────────────── */
.icon-box {
    width: 40px; height: 40px; border-radius: 10px;
    display: inline-flex; align-items: center;
    justify-content: center; font-size: 1rem; flex-shrink: 0;
}
.icon-box-sm { width: 32px; height: 32px; font-size: .85rem; border-radius: 8px; }
.icon-box-lg { width: 52px; height: 52px; font-size: 1.35rem; border-radius: 12px; }
.icon-box-teal   { background: rgba(26,58,74,.09);   color: var(--teal);    }
.icon-box-gold   { background: rgba(212,168,67,.13); color: var(--gold-dark); }
.icon-box-blue   { background: rgba(13,110,253,.09); color: #0d6efd;  }
.icon-box-green  { background: rgba(25,135,84,.09);  color: #198754;  }
.icon-box-red    { background: rgba(220,53,69,.09);  color: #dc3545;  }
.icon-box-purple { background: rgba(111,66,193,.09); color: #6f42c1;  }
.icon-box-orange { background: rgba(253,126,20,.09); color: #fd7e14;  }
.icon-box-cyan   { background: rgba(13,202,240,.13); color: #0dcaf0;  }
.icon-box-pink   { background: rgba(214,51,132,.09); color: #d63384;  }
.icon-box-gray   { background: rgba(108,117,125,.09);color: #6c757d;  }
[data-theme="dark"] .icon-box-teal  { background: rgba(26,58,74,.4); }
[data-theme="dark"] .icon-box-blue  { background: rgba(13,110,253,.18); }
[data-theme="dark"] .icon-box-green { background: rgba(25,135,84,.18); }

/* ── Semantic Status Badges ──────────────────────────── */
.badge-active   { background: #d1e7dd !important; color: #0f5132 !important; }
.badge-inactive { background: #e2e3e5 !important; color: #383d41 !important; }
.badge-pending  { background: #fff3cd !important; color: #856404 !important; }
.badge-draft    { background: #cfe2ff !important; color: #084298 !important; }
.badge-error    { background: #f8d7da !important; color: #842029 !important; }
.badge-info     { background: #cff4fc !important; color: #055160 !important; }
[data-theme="dark"] .badge-active   { background: #0a2518 !important; color: #6ee7b7 !important; }
[data-theme="dark"] .badge-inactive { background: #1e3040 !important; color: var(--text-muted-dm) !important; }
[data-theme="dark"] .badge-pending  { background: #2a1800 !important; color: #fcd34d !important; }
[data-theme="dark"] .badge-draft    { background: #0a1e38 !important; color: #93c5fd !important; }
[data-theme="dark"] .badge-error    { background: #2a0d0e !important; color: #fca5a5 !important; }

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
    text-align: center; padding: 2.5rem 1rem; color: #9ca3af;
}
.empty-state > i {
    font-size: 2.25rem; display: block;
    margin-bottom: .65rem; opacity: .4;
}
.empty-state-title {
    font-size: .9rem; font-weight: 600;
    color: #6c757d; margin-bottom: .3rem;
}
.empty-state-sub { font-size: .8125rem; color: #adb5bd; }
[data-theme="dark"] .empty-state > i { opacity: .25; }
[data-theme="dark"] .empty-state-title { color: var(--text-muted-dm); }

/* ── Stat Card (KPI) ─────────────────────────────────── */
.stat-card .stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center;
    justify-content: center; font-size: 1.25rem;
}
.stat-card .stat-value {
    font-size: 1.75rem; font-weight: 700; line-height: 1;
}
.stat-card .stat-label { font-size: .75rem; color: #6c757d; margin-top: .2rem; }

/* ── Table action column ─────────────────────────────── */
.table-action-col { white-space: nowrap; text-align: right; }
.table-action-col .btn + .btn { margin-left: .2rem; }

/* ── Card header with teal left accent ───────────────── */
.card-header-accent { border-left: 3px solid var(--teal); }

/* ── Required star ───────────────────────────────────── */
label.required::after,
.form-label.required::after {
    content: ' *'; color: #dc3545; font-weight: 700;
}

/* ── Responsive helpers ──────────────────────────────── */
@media (max-width: 575.98px) {
    .filter-bar { gap: .35rem; }
    .filter-bar .form-select,
    .filter-bar .form-control { min-width: 100%; max-width: 100%; flex-basis: 100%; }
    .page-header { flex-direction: column; }
    .page-header-actions { width: 100%; }
    .page-header-actions .btn { flex: 1; }
}
[data-theme="dark"] .filter-bar { background: var(--card-bg); border-bottom-color: var(--border-col); }

/* ── Dark mode for new components ────────────────────── */
[data-theme="dark"] .stat-card .stat-value { color: var(--text-primary); }
[data-theme="dark"] .stat-card .stat-label { color: var(--text-muted-dm); }

/* ── Dark-mode toggle — dropdown item ──────────────────── */
/* moon shown in light mode, sun shown in dark mode */
.theme-toggle-item .icon-moon { display: inline-block; }
.theme-toggle-item .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle-item .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle-item .icon-sun  { display: inline-block; }
/* label text */
.theme-toggle-item .theme-label-light { display: inline; }
.theme-toggle-item .theme-label-dark  { display: none; }
[data-theme="dark"] .theme-toggle-item .theme-label-light { display: none; }
[data-theme="dark"] .theme-toggle-item .theme-label-dark  { display: inline; }

/* ═══════════════════════════════════════════════════════
   BRAND PRIMARY — Override Bootstrap blue (#0d6efd) →
   Teal (#1a3a4a) across all primary-coloured components.
   ═══════════════════════════════════════════════════════ */
.btn-primary {
    --bs-btn-bg:                  var(--teal);
    --bs-btn-border-color:        var(--teal);
    --bs-btn-hover-bg:            var(--teal-dark);
    --bs-btn-hover-border-color:  var(--teal-dark);
    --bs-btn-active-bg:           var(--teal-dark);
    --bs-btn-active-border-color: var(--teal-dark);
    --bs-btn-disabled-bg:         var(--teal);
    --bs-btn-disabled-border-color: var(--teal);
    --bs-btn-focus-shadow-rgb:    26, 58, 74;
}
.btn-outline-primary {
    --bs-btn-color:               var(--teal);
    --bs-btn-border-color:        var(--teal);
    --bs-btn-hover-bg:            var(--teal);
    --bs-btn-hover-border-color:  var(--teal);
    --bs-btn-hover-color:         #fff;
    --bs-btn-active-bg:           var(--teal-dark);
    --bs-btn-active-border-color: var(--teal-dark);
    --bs-btn-active-color:        #fff;
    --bs-btn-focus-shadow-rgb:    26, 58, 74;
}
.text-primary          { color: var(--teal) !important; }
.bg-primary            { background-color: var(--teal) !important; }
.bg-primary-subtle     { background-color: rgba(26,58,74,.1) !important; }
.text-primary-emphasis { color: var(--teal-dark) !important; }
.border-primary        { border-color: var(--teal) !important; }
.badge.bg-primary      { background-color: var(--teal) !important; }
.link-primary          { color: var(--teal) !important; }
.link-primary:hover    { color: var(--teal-dark) !important; }
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link { background-color: var(--teal); border-color: var(--teal); }

/* ── Breadcrumb ──────────────────────────────────────────── */
.breadcrumb { font-size: .78rem; margin-bottom: .2rem; }
.breadcrumb-item + .breadcrumb-item::before { color: #c0c8d0; }
.breadcrumb-item a { color: var(--teal); text-decoration: none; }
.breadcrumb-item a:hover { text-decoration: underline; }
.breadcrumb-item.active { color: #6c757d; font-weight: 500; }
[data-theme="dark"] .breadcrumb-item a { color: var(--gold-light); }
[data-theme="dark"] .breadcrumb-item.active { color: var(--text-muted-dm); }
[data-theme="dark"] .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted-dm); }

/* ── Inline filter controls inside card-header ───────────── */
.card-header .form-select-sm,
.card-header .form-control-sm { background: #f8f9fa; border-color: #e2e8f0; font-size: .8rem; }
.card-header .form-select-sm:focus,
.card-header .form-control-sm:focus { background: #fff; }
[data-theme="dark"] .card-header .form-select-sm,
[data-theme="dark"] .card-header .form-control-sm {
    background: var(--input-bg); border-color: var(--input-border); color: var(--text-primary);
}

/* ── Page subtitle ───────────────────────────────────────── */
.page-subtitle { font-size: .8125rem; color: #6c757d; margin-top: .1rem; }
[data-theme="dark"] .page-subtitle { color: var(--text-muted-dm); }

/* ── Quick-link navigation tiles ────────────────────────── */
.nav-card {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 1.25rem .75rem; text-align: center;
    text-decoration: none; color: inherit;
    border-radius: 10px; transition: background .15s, transform .15s;
}
.nav-card:hover {
    background: var(--gold-bg-hover); transform: translateY(-2px);
    color: var(--teal); text-decoration: none;
}
.nav-card i { font-size: 1.6rem; margin-bottom: .45rem; }
.nav-card .nav-card-label { font-size: .8rem; font-weight: 600; }
.nav-card .nav-card-sub   { font-size: .71rem; color: #9ca3af; margin-top: .1rem; }
[data-theme="dark"] .nav-card:hover { background: rgba(212,168,67,.07); color: var(--gold); }

/* ── Responsive table inside card ────────────────────────── */
.card > .table-responsive { border-radius: 0 0 10px 10px; }

/* ── Stat card left-border colour fix (brand primary) ───── */
.border-primary.card,
.card.border-start.border-primary { border-color: var(--teal) !important; }

/* ═══════════════════════════════════════════════════════
   FORM DESIGN & VALIDATION
   ═══════════════════════════════════════════════════════ */

/* ── Input validation states ─────────────────────────── */
.input-validation-error,
.input-validation-error:focus {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 .2rem rgba(220,53,69,.12) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(.375em + .1875rem) center;
    background-size: calc(.75em + .375rem) calc(.75em + .375rem);
}
/* Don't apply icon on grouped inputs (₹ prefix etc.) */
.input-group .input-validation-error {
    background-image: none;
    padding-right: .75rem;
}
/* textarea & select don't get the icon */
textarea.input-validation-error,
select.input-validation-error { background-image: none; padding-right: .75rem; }

/* ── Validation message (field-level) ────────────────── */
.field-validation-error {
    font-size: .75rem;
    color: #dc3545;
    margin-top: .25rem;
    display: block;
    line-height: 1.4;
}
.field-validation-valid { display: none; }

/* ── Validation summary ──────────────────────────────── */
.validation-summary-errors {
    font-size: .85rem;
    border-left: 4px solid #dc3545;
}
.validation-summary-errors ul { margin-bottom: 0; padding-left: 1.2rem; }
.validation-summary-errors li { margin-top: .15rem; }
.validation-summary-valid { display: none; }

/* ── Select2 validation state ────────────────────────── */
.select2-error .select2-container--default .select2-selection--single {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 .2rem rgba(220,53,69,.12) !important;
}

/* ── Form helper text ────────────────────────────────── */
.form-text {
    font-size: .75rem;
    color: #9ca3af;
    margin-top: .2rem;
    line-height: 1.4;
}
[data-theme="dark"] .form-text { color: var(--text-muted-dm); }

/* ── Input placeholder ───────────────────────────────── */
.form-control::placeholder,
.form-select option[value=""] { color: #b0b7c3; }

/* ── Form card sections ──────────────────────────────── */
.form-card-section {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid #f0f0f0;
}
.form-card-section:last-child { border-bottom: none; }
.form-card-section + .form-card-section { padding-top: 1rem; }
.form-section-title {
    font-size: .68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .09em;
    color: #9ca3af; margin-bottom: .8rem;
    display: flex; align-items: center; gap: .4rem;
}
.form-section-title i { font-size: .8rem; }
[data-theme="dark"] .form-card-section { border-bottom-color: var(--border-col); }
[data-theme="dark"] .form-section-title { color: var(--text-muted-dm); }

/* ── Step indicator (numbered wizard steps) ──────────── */
.step-badge {
    width: 22px; height: 22px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: .7rem; font-weight: 700;
    background: var(--teal); color: #fff;
    flex-shrink: 0; margin-right: .4rem;
}
.step-badge-complete { background: #198754; }
.step-badge-pending  { background: #dee2e6; color: #6c757d; }

/* ── Input group — prefix (₹, @, etc.) ──────────────── */
.input-group-text {
    font-size: .875rem;
    background: #f8f9fa;
    border-color: #dee2e6;
    color: #6c757d;
}
[data-theme="dark"] .input-group-text {
    background: var(--table-head-bg);
    border-color: var(--input-border);
    color: var(--text-muted-dm);
}

/* ── Character counter ───────────────────────────────── */
.char-counter { font-size: .72rem; color: #9ca3af; float: right; margin-top: .15rem; }
.char-counter.near-limit { color: #fd7e14; }
.char-counter.at-limit   { color: #dc3545; }

/* ── Form submit bar (sticky bottom) ─────────────────── */
.form-submit-bar {
    position: sticky; bottom: 0; z-index: 10;
    background: #fff; border-top: 1px solid #e9ecef;
    padding: .75rem 1.25rem;
    margin: 1rem -1.5rem -1.5rem;
    display: flex; justify-content: space-between; align-items: center;
    box-shadow: 0 -2px 8px rgba(0,0,0,.06);
}
[data-theme="dark"] .form-submit-bar {
    background: var(--card-bg); border-top-color: var(--border-col);
}

/* ── Password strength bar ───────────────────────────── */
.pwd-strength { height: 4px; border-radius: 2px; margin-top: .35rem; transition: width .3s; }
.pwd-strength-weak   { background: #dc3545; width: 33%; }
.pwd-strength-medium { background: #fd7e14; width: 66%; }
.pwd-strength-strong { background: #198754; width: 100%; }

/* ── Input focus glow — gold for all inputs ──────────── */
.form-control:focus,
.form-select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 .2rem rgba(212,168,67,.15);
}

/* Dark mode — validation */
[data-theme="dark"] .field-validation-error { color: #fca5a5; }
[data-theme="dark"] .validation-summary-errors {
    background: #2a0d0e; color: #fca5a5;
    border-left-color: #dc2626;
}
[data-theme="dark"] .input-validation-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 .2rem rgba(239,68,68,.15) !important;
}
[data-theme="dark"] .input-group-text {
    background: var(--table-head-bg);
    border-color: var(--input-border);
    color: var(--text-muted-dm);
}

/* ── Table heading highlight ─────────────────────────── */
.table > thead > tr > th,
.table > thead > tr > td {
    background-color: var(--teal) !important;
    color: #fff !important;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    white-space: nowrap;
    border-bottom: 2px solid var(--teal-dark) !important;
    padding: .6rem .75rem;
}
/* DataTables sort arrow tint */
.table > thead > tr > th.sorting::after,
.table > thead > tr > th.sorting_asc::after,
.table > thead > tr > th.sorting_desc::after,
.table > thead > tr > th.sorting::before,
.table > thead > tr > th.sorting_asc::before,
.table > thead > tr > th.sorting_desc::before {
    opacity: .6;
    filter: brightness(10);
}
/* Active sort column slightly darker */
.table > thead > tr > th.sorting_asc,
.table > thead > tr > th.sorting_desc {
    background-color: var(--teal-dark) !important;
}
/* Dark mode */
[data-theme="dark"] .table > thead > tr > th,
[data-theme="dark"] .table > thead > tr > td {
    background-color: var(--teal-dark) !important;
    color: #e2e8f0 !important;
    border-bottom-color: #0d1e27 !important;
}
[data-theme="dark"] .table > thead > tr > th.sorting_asc,
[data-theme="dark"] .table > thead > tr > th.sorting_desc {
    background-color: #0d1e27 !important;
}

/* ── Fixed page action bar (forms) ──────────────────── */
.page-action-bar {
    position: fixed;
    bottom: 0;
    left: 240px;
    right: 0;
    z-index: 200;
    background: #fff;
    border-top: 2px solid #e9ecef;
    padding: .6rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 -3px 16px rgba(0,0,0,.07);
}
@media (max-width: 991.98px) {
    .page-action-bar { left: 0; padding: .6rem 1rem; }
}
[data-theme="dark"] .page-action-bar {
    background: var(--card-bg);
    border-top-color: var(--border-col);
    box-shadow: 0 -3px 16px rgba(0,0,0,.25);
}
.has-action-bar { padding-bottom: 68px; }