/* =========================================================
   SydKit Admin — Enterprise UI design system
   ========================================================= */
:root {
    --bs-primary: #4f46e5;
    --bs-primary-rgb: 79, 70, 229;
    --bs-link-color: #4f46e5;
    --bs-link-hover-color: #4338ca;
    --bs-body-font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --brand-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --sidebar-bg: #0f1222;
    --sidebar-bg-hover: rgba(255, 255, 255, 0.06);
    --sidebar-active: linear-gradient(90deg, rgba(79, 70, 229, 0.95), rgba(124, 58, 237, 0.85));
    --sidebar-text: rgba(226, 229, 244, 0.62);
    --sidebar-text-active: #ffffff;

    --surface: #ffffff;
    --surface-muted: #f6f7fb;
    --page-bg: #f1f3f9;
    --ink: #161a2c;
    --ink-soft: #5b6178;
    --line: #e6e9f2;

    --radius: 14px;
    --radius-sm: 9px;
    --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 16px rgba(16, 24, 40, 0.05);
    --shadow-card-hover: 0 4px 8px rgba(16, 24, 40, 0.06), 0 12px 28px rgba(16, 24, 40, 0.10);
    --shadow-pop: 0 12px 32px rgba(15, 18, 34, 0.16);
}

html { scroll-behavior: smooth; }

body {
    background:
        radial-gradient(1100px 380px at 85% -120px, rgba(79, 70, 229, 0.07), transparent 60%),
        radial-gradient(900px 320px at -10% -80px, rgba(124, 58, 237, 0.05), transparent 55%),
        var(--page-bg);
    font-family: var(--bs-body-font-family);
    color: var(--ink);
    letter-spacing: -0.011em;
}

a { color: var(--bs-link-color); text-decoration: none; }
a:hover { color: var(--bs-link-hover-color); }

::selection { background: rgba(79, 70, 229, 0.18); }

/* ---- Layout shell ---- */
.app-shell { min-height: 100vh; }

main {
    min-width: 0; /* allow tables to shrink instead of overflowing */
}

.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.action-bar form {
    min-width: 0;
}

.action-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-end;
}

.action-actions form {
    display: inline-flex;
}

.btn-group-responsive {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.btn-group-responsive .btn {
    border-radius: 8px !important;
}

.chart-box {
    position: relative;
    height: 280px;
}

.chart-box-sm {
    height: 240px;
}

/* ---- Sidebar ---- */
.sidebar {
    --bs-offcanvas-width: 264px;
    width: 264px;
    flex-shrink: 0;
    background-color: var(--sidebar-bg) !important;
    background-image:
        radial-gradient(420px 220px at 0% 0%, rgba(79, 70, 229, 0.22), transparent 65%),
        radial-gradient(300px 200px at 100% 100%, rgba(124, 58, 237, 0.12), transparent 60%);
}

@media (min-width: 992px) {
    .sidebar {
        height: 100vh;
        position: sticky;
        top: 0;
        overflow-y: auto;
        scrollbar-width: thin;
        scrollbar-color: rgba(255, 255, 255, 0.14) transparent;
    }
    .sidebar::-webkit-scrollbar { width: 6px; }
    .sidebar::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 3px; }
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: #fff;
    font-weight: 700;
    font-size: 1.02rem;
    padding: 0.35rem 0.4rem;
    margin-bottom: 1.35rem;
}

.sidebar-brand .brand-icon,
.topbar-brand .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--brand-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.45);
}

.sidebar-brand .brand-sub {
    display: block;
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(226, 229, 244, 0.45);
    margin-top: 1px;
}

.sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-radius: 10px;
    white-space: nowrap;
    color: var(--sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.56rem 0.8rem;
    position: relative;
    transition: background-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.sidebar .nav-link i {
    width: 1.3em;
    text-align: center;
    font-size: 1.02rem;
    opacity: 0.9;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-bg-hover);
    color: var(--sidebar-text-active);
    transform: translateX(2px);
}

.sidebar .nav-link.active {
    background: var(--sidebar-active);
    color: #fff;
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

.sidebar .nav-link.active::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 20%;
    bottom: 20%;
    width: 3px;
    border-radius: 3px;
    background: #a5b4fc;
}

.sidebar .nav-section-label {
    text-transform: uppercase;
    font-size: 0.655rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: rgba(226, 229, 244, 0.32);
    margin: 1.25rem 0 0.45rem 0.8rem;
}

.sidebar .text-white-50:hover { color: rgba(255, 255, 255, 0.9) !important; }

/* ---- Topbar ---- */
.topbar {
    z-index: 1020;
    background: rgba(255, 255, 255, 0.82) !important;
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--line);
    min-height: 60px;
}

.topbar .topbar-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ink);
}

.topbar-mobile {
    z-index: 1020;
    background-color: var(--sidebar-bg) !important;
}

.topbar .btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink-soft);
}
.topbar .btn-icon:hover { color: var(--bs-primary); border-color: rgba(79, 70, 229, 0.35); }

.user-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.3rem 0.55rem 0.3rem 0.35rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.user-chip:hover { border-color: rgba(79, 70, 229, 0.35); box-shadow: 0 2px 10px rgba(16, 24, 40, 0.08); }

.user-chip .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--brand-grad);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-chip .user-name {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--ink);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- Page header ---- */
.page-header { margin-bottom: 1.5rem; }

.page-header .page-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
}

.page-header .page-subtitle {
    color: var(--ink-soft);
    font-size: 0.86rem;
}

/* ---- Cards ---- */
.card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    background-color: var(--surface);
    transition: box-shadow 0.18s ease;
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--line);
    border-top-left-radius: var(--radius) !important;
    border-top-right-radius: var(--radius) !important;
    font-weight: 600;
    font-size: 0.93rem;
    padding: 0.95rem 1.2rem;
}

.card-body { padding: 1.2rem; }
.card-body.p-0 { padding: 0 !important; }

/* ---- Stat cards ---- */
.stat-card {
    overflow: hidden;
    position: relative;
}

.stat-card::after {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--brand-grad);
    opacity: 0;
    transition: opacity 0.18s ease;
}

.stat-card:hover { box-shadow: var(--shadow-card-hover); }
.stat-card:hover::after { opacity: 1; }

.stat-card .card-body {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.stat-card .card-body > div:last-child {
    min-width: 0;
    flex: 1;
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
    background: rgba(79, 70, 229, 0.10);
    color: #4f46e5;
}

.stat-card .text-muted.small,
.stat-card .small.text-muted {
    font-weight: 600;
    font-size: 0.72rem !important;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--ink-soft) !important;
}

.stat-card .stat-label-tight {
    font-size: 0.66rem !important;
    letter-spacing: 0.02em;
    line-height: 1.18;
    white-space: normal;
}

.stat-card .display-6 {
    font-weight: 700;
    font-size: 1.55rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-money {
    font-weight: 760;
    font-size: clamp(1.05rem, 1.65vw, 1.42rem);
    line-height: 1.18;
    letter-spacing: 0;
    overflow-wrap: anywhere;
    max-width: 100%;
}

/* ---- Buttons ---- */
.btn {
    border-radius: 10px;
    font-weight: 550;
    transition: transform 0.12s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-bg: #4338ca;
    --bs-btn-hover-border-color: #4338ca;
    --bs-btn-active-bg: #4338ca;
    --bs-btn-active-border-color: #4338ca;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.32);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(79, 70, 229, 0.40); }

.btn-outline-primary {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: rgba(79, 70, 229, 0.45);
    --bs-btn-hover-bg: var(--bs-primary);
    --bs-btn-hover-border-color: var(--bs-primary);
    --bs-btn-active-bg: #4338ca;
    --bs-btn-active-border-color: #4338ca;
}

.btn-outline-secondary {
    --bs-btn-color: var(--ink-soft);
    --bs-btn-border-color: #d6dae6;
    --bs-btn-hover-bg: #f0f1f7;
    --bs-btn-hover-border-color: #c4c9da;
    --bs-btn-hover-color: var(--ink);
    --bs-btn-active-bg: #e8eaf3;
    --bs-btn-active-border-color: #c4c9da;
    --bs-btn-active-color: var(--ink);
}

.btn-sm { border-radius: 8px; }

/* ---- Tables ---- */
.table { --bs-table-hover-bg: #f7f8fd; }

.table thead th {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.07em;
    color: var(--ink-soft);
    font-weight: 650;
    border-bottom: 1px solid var(--line);
    background-color: var(--surface-muted) !important;
    padding: 0.7rem 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.78rem 1rem;
    border-color: #eef0f6;
    vertical-align: middle;
    font-size: 0.9rem;
}

.table tbody tr:last-child td { border-bottom: 0; }

.table-light, .table > :not(caption) > * > * { background-color: transparent; }

.table-hover > tbody > tr { transition: background-color 0.12s ease; }
.table-hover > tbody > tr:hover > * { background-color: #f7f8fd; }

.table code {
    background: rgba(79, 70, 229, 0.08);
    color: #4338ca;
    padding: 0.15em 0.45em;
    border-radius: 6px;
    font-size: 0.83em;
}

/* ---- Badges ---- */
.badge {
    font-weight: 600;
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    padding: 0.42em 0.7em;
    border-radius: 999px;
}

.badge.bg-success { background-color: #dcfce7 !important; color: #15803d; }
.badge.bg-danger { background-color: #fee2e2 !important; color: #b91c1c; }
.badge.bg-warning { background-color: #fef3c7 !important; color: #b45309; }
.badge.bg-info { background-color: #e0f2fe !important; color: #0369a1; }
.badge.bg-secondary { background-color: #eef0f6 !important; color: #4b5163; }
.badge.bg-primary { background-color: rgba(79, 70, 229, 0.12) !important; color: #4338ca; }
.badge.bg-dark { background-color: #1f2330 !important; color: #fff; }

/* ---- Forms ---- */
.form-control, .form-select {
    border-radius: 10px;
    border-color: #d9dde8;
    padding: 0.52rem 0.85rem;
    font-size: 0.92rem;
    color: var(--ink);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control::placeholder { color: #a3a9bd; }

.form-control:focus, .form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.22rem rgba(79, 70, 229, 0.13);
}

.form-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: #3c4257;
    margin-bottom: 0.4rem;
}

.form-text { font-size: 0.78rem; color: var(--ink-soft); }

.form-check-input { border-color: #c8cddc; }
.form-check-input:checked {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}
.form-check-input:focus { box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.13); }

.form-switch .form-check-input { height: 1.25em; width: 2.35em; }

.input-group-text {
    border-radius: 10px;
    border-color: #d9dde8;
    background-color: var(--surface-muted);
    color: var(--ink-soft);
}

/* ---- Alerts ---- */
.alert {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    padding: 0.85rem 1.05rem;
}

.alert-success { background-color: #ecfdf3; border-color: #bbf0d0; color: #157347; }
.alert-danger { background-color: #fef1f2; border-color: #fbd2d6; color: #b42334; }
.alert-warning { background-color: #fffaeb; border-color: #fcecb8; color: #946300; }
.alert-info { background-color: #eff8ff; border-color: #cbe7fc; color: #1166a8; }

/* ---- Dropdowns ---- */
.dropdown-menu {
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-pop);
    padding: 0.4rem;
    font-size: 0.9rem;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.5rem 0.7rem;
    font-weight: 500;
    color: #3c4257;
}

.dropdown-item i { width: 1.3em; margin-right: 0.35rem; color: var(--ink-soft); }
.dropdown-item:hover { background-color: var(--surface-muted); color: var(--ink); }
.dropdown-item.text-danger i { color: inherit; }
.dropdown-divider { border-color: var(--line); }

/* ---- Modals ---- */
.modal-content {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-pop);
}
.modal-header { border-bottom-color: var(--line); }
.modal-footer { border-top-color: var(--line); }

/* ---- Pagination ---- */
.pagination .page-link {
    border-radius: 8px;
    margin: 0 2px;
    border-color: var(--line);
    color: var(--ink-soft);
    font-weight: 550;
    font-size: 0.88rem;
}
.pagination .page-item.active .page-link {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    box-shadow: 0 3px 10px rgba(79, 70, 229, 0.35);
}

/* ---- Nav pills/tabs in content ---- */
main .nav-pills .nav-link {
    border-radius: 9px;
    font-weight: 550;
    font-size: 0.9rem;
    color: var(--ink-soft);
}
main .nav-pills .nav-link.active { background-color: var(--bs-primary); }

/* ---- Footer ---- */
.app-footer {
    color: var(--ink-soft);
    font-size: 0.78rem;
    padding: 1.4rem 0 0.4rem;
}

/* ---- Misc ---- */
.table-responsive { -webkit-overflow-scrolling: touch; }
.table-responsive .table { min-width: 640px; }

@media (max-width: 991.98px) {
    main { max-width: 100vw; }
    .page-header .page-title { font-size: 1.25rem; }
    .card-header.d-flex {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .stat-card .card-body {
        align-items: flex-start;
    }
    .stat-card .display-6 {
        overflow-wrap: anywhere;
    }
    .chart-box {
        height: 240px;
    }
    .chart-box-sm {
        height: 220px;
    }
}

@media (max-width: 575.98px) {
    main {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }
    .topbar-mobile span {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .action-bar,
    .action-bar form,
    .action-actions,
    .action-actions form {
        width: 100%;
    }
    .action-bar .form-control,
    .action-bar .form-select,
    .action-bar .btn,
    .action-actions .btn {
        width: 100%;
        max-width: none !important;
    }
    .btn-group-responsive {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }
    .btn-group-responsive .btn {
        width: 100%;
    }
    .card-body {
        padding: 1rem;
    }
    .card-header {
        padding: 0.85rem 1rem;
    }
    .table thead th,
    .table tbody td {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* =========================================================
   Dark theme — activated via data-bs-theme="dark" on <html>
   (Bootstrap 5.3 restyles its own components; the overrides
   below re-map the custom design tokens + hardcoded colors.)
   ========================================================= */
[data-bs-theme="dark"] {
    --surface: #161927;
    --surface-muted: #1d2133;
    --page-bg: #0c0e1a;
    --ink: #e7e9f4;
    --ink-soft: #9aa1bd;
    --line: #272c42;

    --sidebar-bg: #0a0c16;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-card-hover: 0 4px 8px rgba(0, 0, 0, 0.35), 0 12px 28px rgba(0, 0, 0, 0.45);
    --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.55);

    --bs-body-bg: #0c0e1a;
    --bs-body-color: #e7e9f4;
    --bs-link-color: #818cf8;
    --bs-link-hover-color: #a5b4fc;
}

[data-bs-theme="dark"] body {
    background:
        radial-gradient(1100px 380px at 85% -120px, rgba(79, 70, 229, 0.12), transparent 60%),
        radial-gradient(900px 320px at -10% -80px, rgba(124, 58, 237, 0.08), transparent 55%),
        var(--page-bg);
    color: var(--ink);
}

[data-bs-theme="dark"] a { color: var(--bs-link-color); }
[data-bs-theme="dark"] a:hover { color: var(--bs-link-hover-color); }

/* Topbar */
[data-bs-theme="dark"] .topbar {
    background: rgba(12, 14, 26, 0.82) !important;
    border-bottom-color: var(--line);
}
[data-bs-theme="dark"] .topbar .topbar-title { color: var(--ink); }
[data-bs-theme="dark"] .topbar .btn-icon {
    background: var(--surface);
    border-color: var(--line);
    color: var(--ink-soft);
}
[data-bs-theme="dark"] .topbar .btn-icon:hover { color: #a5b4fc; border-color: rgba(129, 140, 248, 0.4); }
[data-bs-theme="dark"] .user-chip {
    background: var(--surface);
    border-color: var(--line);
}
[data-bs-theme="dark"] .user-chip .user-name { color: var(--ink); }

/* Cards */
[data-bs-theme="dark"] .card {
    background-color: var(--surface);
    border-color: var(--line);
}
[data-bs-theme="dark"] .card-header { border-bottom-color: var(--line); }
[data-bs-theme="dark"] .stat-card .stat-icon {
    background: rgba(129, 140, 248, 0.14);
    color: #a5b4fc;
}

/* Tables */
[data-bs-theme="dark"] .table { --bs-table-bg: transparent; --bs-table-color: var(--ink); --bs-table-hover-bg: #1b1f31; }
[data-bs-theme="dark"] .table thead th {
    background-color: var(--surface-muted) !important;
    color: var(--ink-soft);
    border-bottom-color: var(--line);
}
[data-bs-theme="dark"] .table tbody td { border-color: var(--line); }
[data-bs-theme="dark"] .table-hover > tbody > tr:hover > * { background-color: #1b1f31; }
[data-bs-theme="dark"] .table code {
    background: rgba(129, 140, 248, 0.14);
    color: #a5b4fc;
}

/* Badges (soft, dark-friendly) */
[data-bs-theme="dark"] .badge.bg-success { background-color: rgba(34, 197, 94, 0.16) !important; color: #4ade80; }
[data-bs-theme="dark"] .badge.bg-danger { background-color: rgba(239, 68, 68, 0.16) !important; color: #f87171; }
[data-bs-theme="dark"] .badge.bg-warning { background-color: rgba(245, 158, 11, 0.16) !important; color: #fbbf24; }
[data-bs-theme="dark"] .badge.bg-info { background-color: rgba(14, 165, 233, 0.16) !important; color: #38bdf8; }
[data-bs-theme="dark"] .badge.bg-secondary { background-color: rgba(148, 163, 184, 0.16) !important; color: #cbd5e1; }
[data-bs-theme="dark"] .badge.bg-primary { background-color: rgba(129, 140, 248, 0.16) !important; color: #a5b4fc; }

/* Forms */
[data-bs-theme="dark"] .form-control, [data-bs-theme="dark"] .form-select {
    background-color: var(--surface-muted);
    border-color: var(--line);
    color: var(--ink);
}
[data-bs-theme="dark"] .form-control::placeholder { color: #5b6178; }
[data-bs-theme="dark"] .form-control:focus, [data-bs-theme="dark"] .form-select:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 0.22rem rgba(129, 140, 248, 0.15);
    background-color: var(--surface-muted);
}
[data-bs-theme="dark"] .form-label { color: var(--ink-soft); }
[data-bs-theme="dark"] .form-check-input { background-color: var(--surface-muted); border-color: #3a4060; }
[data-bs-theme="dark"] .form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
[data-bs-theme="dark"] .input-group-text {
    background-color: var(--surface-muted);
    border-color: var(--line);
    color: var(--ink-soft);
}

/* Buttons */
[data-bs-theme="dark"] .btn-outline-secondary {
    --bs-btn-color: var(--ink-soft);
    --bs-btn-border-color: #343a57;
    --bs-btn-hover-bg: #1d2133;
    --bs-btn-hover-border-color: #424a70;
    --bs-btn-hover-color: var(--ink);
    --bs-btn-active-bg: #232842;
    --bs-btn-active-border-color: #424a70;
    --bs-btn-active-color: var(--ink);
}

/* Alerts */
[data-bs-theme="dark"] .alert-success { background-color: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.3); color: #4ade80; }
[data-bs-theme="dark"] .alert-danger { background-color: rgba(239, 68, 68, 0.12); border-color: rgba(239, 68, 68, 0.3); color: #f87171; }
[data-bs-theme="dark"] .alert-warning { background-color: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.3); color: #fbbf24; }
[data-bs-theme="dark"] .alert-info { background-color: rgba(14, 165, 233, 0.12); border-color: rgba(14, 165, 233, 0.3); color: #38bdf8; }

/* Dropdowns / modals / pagination */
[data-bs-theme="dark"] .dropdown-menu { background-color: var(--surface); border-color: var(--line); }
[data-bs-theme="dark"] .dropdown-item { color: var(--ink-soft); }
[data-bs-theme="dark"] .dropdown-item:hover { background-color: var(--surface-muted); color: var(--ink); }
[data-bs-theme="dark"] .modal-content { background-color: var(--surface); }
[data-bs-theme="dark"] .pagination .page-link { background-color: var(--surface); border-color: var(--line); color: var(--ink-soft); }
[data-bs-theme="dark"] .pagination .page-item.active .page-link { background: var(--bs-primary); border-color: var(--bs-primary); color: #fff; }

/* Misc text helpers Bootstrap renders dark-on-dark */
[data-bs-theme="dark"] .text-muted { color: var(--ink-soft) !important; }
[data-bs-theme="dark"] .bg-light { background-color: var(--surface-muted) !important; color: var(--ink); }

/* ---- Settings tabs ---- */
.settings-tabs {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.35rem;
    gap: 0.25rem;
    display: inline-flex;
}
.settings-tabs .nav-link {
    border-radius: 9px;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--ink-soft);
    padding: 0.5rem 0.95rem;
}
.settings-tabs .nav-link:hover { color: var(--ink); background: var(--surface-muted); }
.settings-tabs .nav-link.active {
    background: var(--bs-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}
[data-bs-theme="dark"] .settings-tabs { background: var(--surface); border-color: var(--line); }

.settings-savebar {
    position: sticky;
    bottom: 0;
    background: color-mix(in srgb, var(--page-bg) 88%, transparent);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    padding: 0.85rem 0;
    border-top: 1px solid var(--line);
    z-index: 10;
}

/* Theme toggle icon swap: moon in light mode, sun in dark mode */
.theme-icon-light { display: none; }
.theme-icon-dark { display: inline; }
[data-bs-theme="dark"] .theme-icon-light { display: inline; }
[data-bs-theme="dark"] .theme-icon-dark { display: none; }