/* =============================================================================
   IMS · Inventory Management System — design system
   Light + dark (Bootstrap 5.3 `data-bs-theme`) · responsive · component styles
   ========================================================================== */

/* ---------- design tokens -------------------------------------------------- */
:root {
    --sidebar-w: 264px;
    --topbar-h: 62px;
    --radius: 14px;
    --radius-sm: 10px;
    --ease: .2s cubic-bezier(.4, 0, .2, 1);

    --brand: #4f46e5;
    --brand-rgb: 79, 70, 229;
    --brand-hover: #4338ca;
    --brand-2: #7c3aed;

    --bg: #f4f6fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --surface-3: #f1f5f9;
    --line: #e6e9f0;
    --line-strong: #d3d9e4;

    --ink: #0f172a;
    --ink-soft: #64748b;
    --ink-faint: #94a3b8;

    --ok: #16a34a;   --ok-bg: #dcfce7;   --ok-ink: #15803d;
    --warn: #d97706; --warn-bg: #fef3c7; --warn-ink: #b45309;
    --info: #2563eb; --info-bg: #dbeafe; --info-ink: #1d4ed8;
    --danger: #dc2626; --danger-bg: #fee2e2; --danger-ink: #b91c1c;
    --mute-bg: #eef1f6; --mute-ink: #475569;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-md: 0 8px 24px -8px rgba(15, 23, 42, .18);
    --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, .28);
}

:root[data-bs-theme="dark"] {
    --brand: #818cf8;
    --brand-rgb: 129, 140, 248;
    --brand-hover: #a5b4fc;
    --brand-2: #a78bfa;

    --bg: #0b1120;
    --surface: #141b2d;
    --surface-2: #1c2433;
    --surface-3: #232c3d;
    --line: #2a3446;
    --line-strong: #3a4661;

    --ink: #e8ecf4;
    --ink-soft: #9aa6bd;
    --ink-faint: #6b7890;

    --ok-bg: #052e1a;   --ok-ink: #4ade80;
    --warn-bg: #3a2a06;  --warn-ink: #fbbf24;
    --info-bg: #0b2447;  --info-ink: #7cb0ff;
    --danger-bg: #3a0d0d; --danger-ink: #fca5a5;
    --mute-bg: #232c3d;  --mute-ink: #9aa6bd;

    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, .55);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, .65);
    color-scheme: dark;
}

/* back-compat aliases for any earlier hand-written markup */
:root {
    --brand-primary: var(--brand);
    --brand-secondary: var(--brand-2);
    --bg-card: var(--surface);
    --bg-body: var(--bg);
    --text-primary: var(--ink);
    --text-secondary: var(--ink-soft);
    --border-color: var(--line);
}

/* map onto Bootstrap where useful */
:root {
    --bs-body-bg: var(--bg);
    --bs-body-color: var(--ink);
    --bs-border-color: var(--line);
    --bs-primary: var(--brand);
    --bs-primary-rgb: var(--brand-rgb);
    --bs-link-color: var(--brand);
    --bs-link-hover-color: var(--brand-hover);
    --bs-emphasis-color: var(--ink);
    --bs-secondary-color: var(--ink-soft);
}

* { box-sizing: border-box; }

body {
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-hover); }
hr { border-color: var(--line); opacity: 1; }
::selection { background: rgba(var(--brand-rgb), .25); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }

/* =============================================================================
   AUTH PAGES (login / access denied / standalone)
   ========================================================================== */
body.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(1100px 600px at 12% -10%, rgba(var(--brand-rgb), .28), transparent 60%),
        radial-gradient(900px 600px at 110% 120%, rgba(124, 58, 237, .22), transparent 55%),
        var(--bg);
}

.auth-shell { width: 100%; max-width: 428px; }

.auth-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
    padding: 40px 36px 32px;
    animation: rise .45s var(--ease);
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink);
}

.auth-brand .brand-mark {
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff;
    font-size: 22px;
    box-shadow: 0 8px 20px -6px rgba(var(--brand-rgb), .6);
}

.auth-sub { color: var(--ink-soft); margin: 14px 0 26px; font-size: 13.5px; }

.auth-features {
    display: flex; flex-wrap: wrap; gap: 6px 16px;
    margin-top: 22px; padding-top: 18px;
    border-top: 1px solid var(--line);
    font-size: 12px; color: var(--ink-soft);
}
.auth-features span { display: inline-flex; align-items: center; gap: 6px; }

.auth-toggle {
    position: fixed; top: 18px; right: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

/* theme toggle icon swap */
.js-theme-toggle i { pointer-events: none; }
:root[data-bs-theme="light"] .theme-icon-light,
:root:not([data-bs-theme="dark"]) .theme-icon-light { display: none; }
:root[data-bs-theme="dark"] .theme-icon-dark { display: none; }

/* =============================================================================
   APP SHELL
   ========================================================================== */
body.app-shell { min-height: 100vh; }

.app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    z-index: 1045;
    transition: transform var(--ease);
}

.sidebar-brand {
    height: var(--topbar-h);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 0 20px;
    border-bottom: 1px solid var(--line);
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -.02em;
    color: var(--ink);
}
.sidebar-brand .brand-mark {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff; font-size: 17px;
    box-shadow: 0 6px 16px -6px rgba(var(--brand-rgb), .6);
}
.sidebar-brand small {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.sidebar-scroll { flex: 1; overflow-y: auto; padding: 12px 0 40px; }

.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-list li { margin: 1px 12px; }

.nav-heading {
    padding: 16px 12px 6px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.nav-list .nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    font-weight: 500;
    font-size: 13.5px;
    transition: background var(--ease), color var(--ease);
}
.nav-list .nav-link i { font-size: 16px; width: 20px; text-align: center; color: var(--ink-faint); }
.nav-list .nav-link:hover { background: var(--surface-3); color: var(--ink); }
.nav-list .nav-link:hover i { color: var(--ink-soft); }
.nav-list .nav-link.active {
    background: rgba(var(--brand-rgb), .12);
    color: var(--brand);
    font-weight: 600;
}
.nav-list .nav-link.active i { color: var(--brand); }

.app-main {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    height: var(--topbar-h);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--surface);
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    backdrop-filter: saturate(1.4) blur(8px);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
}
.topbar-title { font-size: 15.5px; font-weight: 700; letter-spacing: -.01em; }
.topbar-spacer { flex: 1; }

.btn-icon {
    display: inline-grid;
    place-items: center;
    width: 38px; height: 38px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: var(--ink-soft);
    font-size: 18px;
    transition: var(--ease);
}
.btn-icon:hover { background: var(--surface-3); color: var(--ink); }
#sidebarToggle { display: none; }

.btn-user {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 5px 10px 5px 6px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink);
    font-weight: 500;
    font-size: 13px;
    transition: var(--ease);
}
.btn-user:hover { background: var(--surface-3); }
.btn-user::after { margin-right: 2px; }
.avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff; font-weight: 700; font-size: 12px;
}
.btn-user small { color: var(--ink-faint); }

.dropdown-menu {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    background: var(--surface);
    padding: 6px;
}
.dropdown-item { border-radius: 8px; padding: 8px 10px; font-size: 13.5px; color: var(--ink); }
.dropdown-item:hover, .dropdown-item:focus { background: var(--surface-3); color: var(--ink); }
.dropdown-divider { border-color: var(--line); }

.app-content { flex: 1; padding: 24px; max-width: 1600px; width: 100%; margin: 0 auto; }
.app-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--line);
    color: var(--ink-faint);
    font-size: 12px;
    text-align: center;
}

.sidebar-backdrop {
    position: fixed; inset: 0;
    background: rgba(2, 6, 23, .5);
    z-index: 1040;
    opacity: 0; pointer-events: none;
    transition: opacity var(--ease);
}
.sidebar-backdrop.show { opacity: 1; pointer-events: auto; }

/* =============================================================================
   PAGE HEADER
   ========================================================================== */
.page-head {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.page-head h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.page-head h1::before {
    content: "";
    width: 4px; height: 22px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.page-head .sub { color: var(--ink-soft); font-size: 13px; margin-top: 3px; }
.page-head .spacer { flex: 1; }
.page-head .date-badge {
    margin-left: auto;
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: 999px; padding: 6px 13px;
    font-size: 12.5px; color: var(--ink-soft);
}
.page-head .date-badge i { color: var(--brand); }

/* card-header count chip */
.card-header .badge-count {
    margin-left: auto;
    background: var(--surface-3);
    color: var(--ink-soft);
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

/* empty-state cell */
.empty-state { padding: 40px 16px; text-align: center; color: var(--ink-soft); }
.empty-state i { font-size: 34px; color: var(--line-strong); display: block; margin-bottom: 8px; }
.empty-state div { font-size: 13.5px; }

/* =============================================================================
   CARDS
   ========================================================================== */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--line);
    padding: 14px 18px;
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-body { padding: 18px; }
.card-body.p-0 { padding: 0; }
.card + .card { margin-top: 16px; }

/* =============================================================================
   STAT TILES
   ========================================================================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}
.stat {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: transform var(--ease), box-shadow var(--ease);
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat .icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 20px;
    background: rgba(var(--brand-rgb), .12);
    color: var(--brand);
    flex-shrink: 0;
}
.stat .val { font-size: 20px; font-weight: 800; letter-spacing: -.02em; line-height: 1.15; }
.stat .lbl {
    font-size: 11px;
    color: var(--ink-soft);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-top: 2px;
}

/* =============================================================================
   TABLES + DATATABLES
   ========================================================================== */
.table { margin-bottom: 0; color: var(--ink); --bs-table-bg: transparent; }
.table > :not(caption) > * > * { background: transparent; }
.table thead th {
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
    border-top: none;
    color: var(--ink-soft);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: 11px 16px;
    white-space: nowrap;
}
.table tbody td {
    padding: 11px 16px;
    border-color: var(--line);
    vertical-align: middle;
    font-size: 13.5px;
}
.table.table-hover tbody tr:hover td { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: none; }
.table .table-light td, .table tr.table-light > * {
    background: var(--surface-3) !important;
    color: var(--ink) !important;
}

.dt-row-actions { white-space: nowrap; }
.dt-row-actions .btn { padding: 4px 9px; font-size: 12.5px; line-height: 1; }

.dataTables_wrapper { padding: 4px 2px 2px; }
.dataTables_wrapper .row { align-items: center; }
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate { color: var(--ink-soft); font-size: 13px; padding: 8px 12px; }
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: var(--surface);
    border: 1px solid var(--line-strong);
    color: var(--ink);
    border-radius: 9px;
    padding: 7px 10px;
    outline: none;
}
.dataTables_wrapper .dataTables_filter input { min-width: 220px; }
.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), .16);
}
.dataTables_wrapper .dataTables_paginate .page-link {
    background: var(--surface);
    border-color: var(--line);
    color: var(--ink-soft);
    border-radius: 9px !important;
    margin: 0 2px;
    padding: 6px 11px;
}
.dataTables_wrapper .dataTables_paginate .page-item.active .page-link {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}
.dataTables_wrapper .dataTables_paginate .page-item.disabled .page-link { opacity: .5; }
table.dataTable > thead .sorting::after,
table.dataTable > thead .sorting::before { opacity: .28; }
table.dataTable.no-footer { border-bottom: none; }

/* =============================================================================
   FORMS
   ========================================================================== */
.form-label { font-weight: 600; font-size: 12.5px; color: var(--ink); margin-bottom: 5px; }
.required::after { content: " *"; color: var(--danger); }

.form-control, .form-select {
    background: var(--surface);
    border: 1px solid var(--line-strong);
    color: var(--ink);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    font-size: 13.5px;
    transition: border-color var(--ease), box-shadow var(--ease);
}
.form-control::placeholder { color: var(--ink-faint); }
.form-control:focus, .form-select:focus {
    background: var(--surface);
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), .16);
    color: var(--ink);
}
.form-control:disabled, .form-control[readonly], .form-select:disabled {
    background: var(--surface-3);
    color: var(--ink-soft);
    opacity: 1;
}
.input-group-text {
    background: var(--surface-3);
    border: 1px solid var(--line-strong);
    color: var(--ink-soft);
    border-radius: var(--radius-sm);
}
.form-text { color: var(--ink-faint); font-size: 12px; }
.form-check-input { border-color: var(--line-strong); background-color: var(--surface); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }
.form-check-input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(var(--brand-rgb), .16); }
.form-switch .form-check-input { width: 2.4em; }
.text-danger.small, .validation-message, .field-validation-error { color: var(--danger-ink) !important; font-size: 12px; }
.text-muted { color: var(--ink-soft) !important; }

/* select2 */
.select2-container { width: 100% !important; }
.select2-container--bootstrap-5 .select2-selection {
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    min-height: 40px;
    color: var(--ink);
}
.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(var(--brand-rgb), .16);
}
.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered { color: var(--ink); line-height: 26px; }
.select2-container--bootstrap-5 .select2-selection--single .select2-selection__placeholder { color: var(--ink-faint); }
.select2-container--bootstrap-5 .select2-dropdown {
    background: var(--surface);
    border-color: var(--brand);
    box-shadow: var(--shadow-md);
}
.select2-container--bootstrap-5 .select2-results__option { color: var(--ink); }
.select2-container--bootstrap-5 .select2-results__option--highlighted { background: var(--brand) !important; color: #fff !important; }
.select2-container--bootstrap-5 .select2-search__field {
    background: var(--surface); color: var(--ink);
    border: 1px solid var(--line-strong); border-radius: 8px;
}
.select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice {
    background: rgba(var(--brand-rgb), .14);
    border-color: transparent;
    color: var(--brand);
    border-radius: 7px;
}
.select2-container--bootstrap-5 .select2-selection--multiple .select2-selection__choice__remove { color: var(--brand); }

/* =============================================================================
   BUTTONS
   ========================================================================== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13.5px;
    padding: 9px 15px;
    transition: var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 8px; }
.btn-lg { padding: 12px 20px; font-size: 15px; }

.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--brand-hover); border-color: var(--brand-hover); color: #fff; }
.btn-primary:disabled { background: var(--brand); border-color: var(--brand); opacity: .6; }

.btn-light {
    background: var(--surface-2);
    border-color: var(--line-strong);
    color: var(--ink);
}
.btn-light:hover { background: var(--surface-3); border-color: var(--line-strong); color: var(--ink); }

.btn-outline-primary { color: var(--brand); border-color: var(--brand); background: transparent; }
.btn-outline-primary:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-outline-secondary { color: var(--ink-soft); border-color: var(--line-strong); background: transparent; }
.btn-outline-secondary:hover { background: var(--surface-3); border-color: var(--line-strong); color: var(--ink); }
.btn-outline-danger { color: var(--danger-ink); border-color: currentColor; background: transparent; }
.btn-outline-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-outline-success { color: var(--ok-ink); border-color: currentColor; background: transparent; }
.btn-outline-success:hover { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-success { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-success:hover { filter: brightness(.94); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }

.btn-group > .btn { border-radius: 0; }
.btn-group > .btn:first-child { border-top-left-radius: var(--radius-sm); border-bottom-left-radius: var(--radius-sm); }
.btn-group > .btn:last-child { border-top-right-radius: var(--radius-sm); border-bottom-right-radius: var(--radius-sm); }

/* =============================================================================
   BADGES / CHIPS
   ========================================================================== */
.badge-soft {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 700;
    white-space: nowrap;
    line-height: 1.35;
}
.badge-soft.ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge-soft.warn { background: var(--warn-bg); color: var(--warn-ink); }
.badge-soft.info { background: var(--info-bg); color: var(--info-ink); }
.badge-soft.danger { background: var(--danger-bg); color: var(--danger-ink); }
.badge-soft.mute { background: var(--mute-bg); color: var(--mute-ink); }

/* =============================================================================
   MODALS
   ========================================================================== */
.modal-content {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.modal-header {
    border-bottom: 1px solid var(--line);
    padding: 16px 20px;
}
.modal-title { font-weight: 800; font-size: 16px; letter-spacing: -.01em; }
.modal-body { padding: 20px; }
.modal-footer { border-top: 1px solid var(--line); padding: 14px 20px; gap: 8px; }
.modal-backdrop.show { opacity: .55; }
.btn-close { --bs-btn-close-color: var(--ink); filter: none; }
:root[data-bs-theme="dark"] .btn-close { filter: invert(1) grayscale(1) brightness(1.6); }

/* =============================================================================
   ALERTS
   ========================================================================== */
.alert { border-radius: var(--radius-sm); border: 1px solid transparent; font-size: 13.5px; padding: 12px 15px; }
.alert-success { background: var(--ok-bg); color: var(--ok-ink); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.alert-danger { background: var(--danger-bg); color: var(--danger-ink); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.alert-info { background: var(--info-bg); color: var(--info-ink); border-color: color-mix(in srgb, var(--info) 30%, transparent); }
.alert-warning { background: var(--warn-bg); color: var(--warn-ink); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.alert-secondary { background: var(--surface-3); color: var(--ink); border-color: var(--line); }

/* SweetAlert2 — theme aware */
.swal2-popup {
    background: var(--surface) !important;
    color: var(--ink) !important;
    border-radius: 18px !important;
    border: 1px solid var(--line) !important;
}
.swal2-title, .swal2-html-container { color: var(--ink) !important; }
.swal2-styled.swal2-confirm { background: var(--brand) !important; border-radius: 10px !important; box-shadow: none !important; }
.swal2-styled.swal2-cancel { background: var(--surface-3) !important; color: var(--ink) !important; border-radius: 10px !important; }
.swal2-loader { border-color: var(--brand) transparent var(--brand) transparent !important; }
.swal2-toast { background: var(--surface) !important; border: 1px solid var(--line) !important; box-shadow: var(--shadow-md) !important; }

/* =============================================================================
   LINE-ITEM EDITOR / TOTALS
   ========================================================================== */
.line-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.line-table th {
    font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
    color: var(--ink-soft); font-weight: 700;
    padding: 8px; border-bottom: 1px solid var(--line);
}
.line-table td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.line-table tfoot th { border-top: 2px solid var(--line-strong); border-bottom: none; padding-top: 10px; }
.line-table .form-control-sm { min-width: 84px; }
.line-table .serial-row td { background: var(--surface-2); }
.text-end-num, .text-end { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- location-transfer line editor -------------------------------------- */
.trf-additem {
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.trf-additem .select2-container { flex: 1 1 auto; }
.trf-additem .btn { flex: 0 0 auto; white-space: nowrap; }

.trf-lines { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }

.trf-line {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    padding: 14px 16px;
}
.trf-line-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.trf-line-title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.trf-line-title .fw-semibold { font-size: 14px; }
.trf-line-head .btn.rm { margin-left: auto; }

.trf-line-grid {
    display: grid;
    grid-template-columns: 200px 160px 150px;
    gap: 12px;
    margin-top: 12px;
}
.trf-line-grid .form-label { font-size: 11.5px; margin-bottom: 3px; }

.trf-serials {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--line-strong);
}
.trf-serials .form-label { font-size: 11.5px; }
.trf-serials .serial-count { font-variant-numeric: tabular-nums; }
.trf-serials .serial-count.ok { background: var(--ok-bg); color: var(--ok-ink); }
.trf-serials .serial-count.warn { background: var(--warn-bg); color: var(--warn-ink); }

.serial-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.serial-chips:empty::before {
    content: attr(data-empty);
    color: var(--ink-faint);
    font-size: 12.5px;
    font-style: italic;
}
.serial-chips .chip {
    display: inline-flex; align-items: center; gap: 5px;
    background: rgba(var(--brand-rgb), .12);
    color: var(--brand);
    border-radius: 7px;
    padding: 3px 9px;
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* serial picker modal */
.serial-pick-toolbar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.serial-pick-scroll {
    max-height: 340px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}
.serial-pick-table { width: 100%; margin: 0; }
.serial-pick-table thead th {
    position: sticky; top: 0; z-index: 1;
    background: var(--surface-2);
    font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
    color: var(--ink-soft); font-weight: 700;
    padding: 9px 14px; border-bottom: 1px solid var(--line);
}
.serial-pick-table tbody td { padding: 8px 14px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.serial-pick-table tbody tr:last-child td { border-bottom: none; }
.serial-pick-table tbody tr { cursor: pointer; }
.serial-pick-table tbody tr:hover td { background: var(--surface-2); }
.serial-pick-table tbody tr.picked td { background: rgba(var(--brand-rgb), .10); }
.serial-pick-table tbody tr.disabled { opacity: .45; cursor: not-allowed; }
.serial-pick-empty { padding: 26px; text-align: center; color: var(--ink-soft); font-size: 13px; }

.trf-empty {
    text-align: center;
    color: var(--ink-soft);
    padding: 30px 16px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-sm);
    margin-top: 14px;
}
.trf-empty i { font-size: 26px; display: block; margin-bottom: 6px; color: var(--ink-faint); }

@media (max-width: 640px) {
    .trf-additem { flex-direction: column; }
    .trf-line-grid { grid-template-columns: 1fr 1fr; }
    .trf-line-grid > div:first-child { grid-column: 1 / -1; }
}

.totals-box { max-width: 360px; margin-left: auto; }
.totals-box .row-line {
    display: flex; justify-content: space-between; align-items: center;
    padding: 7px 0; font-size: 13.5px; color: var(--ink-soft);
}
.totals-box .row-line span:last-child { color: var(--ink); font-variant-numeric: tabular-nums; }
.totals-box .row-line.grand {
    border-top: 2px solid var(--line-strong);
    margin-top: 4px; padding-top: 10px;
    font-weight: 800; font-size: 15px; color: var(--ink);
}
.totals-box .row-line.grand span:last-child { color: var(--ink); }

/* =============================================================================
   PRINT
   ========================================================================== */
.print-sheet {
    background: #fff;
    color: #0f172a;
    max-width: 900px;
    margin: 0 auto;
    padding: 42px 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.print-sheet .lh-company { font-size: 22px; font-weight: 800; }
.print-sheet table { width: 100%; border-collapse: collapse; }
.print-sheet table th, .print-sheet table td { border: 1px solid #94a3b8; padding: 7px 9px; font-size: 12.5px; }
.print-sheet table thead th { background: #f1f5f9; }

@media print {
    .app-sidebar, .app-topbar, .app-footer, .sidebar-backdrop, .no-print { display: none !important; }
    .app-main { margin-left: 0; }
    .app-content { padding: 0; max-width: none; }
    body { background: #fff; }
    .print-sheet { box-shadow: none; border: none; padding: 0; }
}

/* =============================================================================
   MISC / HELPERS
   ========================================================================== */
.fw-semibold { font-weight: 600; }
.spinner-border { border-color: var(--brand); border-right-color: transparent; }
dl.row dt { color: var(--ink-soft); font-weight: 600; }
dl.row dd { color: var(--ink); }
code { color: var(--brand-2); background: var(--surface-3); padding: 1px 5px; border-radius: 5px; }

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* =============================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1200px) {
    .app-content { padding: 20px; }
}

@media (max-width: 992px) {
    .app-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
    .app-sidebar.show { transform: translateX(0); }
    .app-main { margin-left: 0; }
    #sidebarToggle { display: inline-grid; }
}

@media (max-width: 768px) {
    .app-content { padding: 16px; }
    .app-topbar { padding: 0 14px; }
    .topbar-title { font-size: 14px; }
    .page-head h1 { font-size: 18px; }
    .btn-user small { display: none; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat { padding: 13px; gap: 11px; }
    .stat .icon { width: 38px; height: 38px; font-size: 17px; }
    .stat .val { font-size: 17px; }
    .card-body { padding: 14px; }
    .table thead th, .table tbody td { padding: 9px 12px; font-size: 12.5px; }
    .dataTables_wrapper .dataTables_filter input { min-width: 0; width: 100%; }
    .dataTables_wrapper .dataTables_filter { width: 100%; }
    .dataTables_wrapper .dataTables_filter label { width: 100%; display: flex; gap: 8px; align-items: center; }
    .auth-card { padding: 30px 22px; }
    .modal-body { padding: 16px; }
    .totals-box { max-width: none; }
}

@media (max-width: 480px) {
    .stat-grid { grid-template-columns: 1fr; }
    .page-head { flex-direction: column; align-items: stretch; }
    .page-head .spacer { display: none; }
    .page-head .btn, .page-head .btn-group { width: 100%; }
    .btn-group { flex-wrap: wrap; }
}

/* Make Select2 match Bootstrap form-control styling */
.select2-container--bootstrap-5 .select2-selection,
.select2-container--default .select2-selection {
    height: calc(2.25rem + 2px) !important;
    padding: 0.375rem 0.75rem !important;
    font-size: 1rem !important;
    font-weight: 400 !important;
    line-height: 1.5 !important;
    color: #212529 !important;
    background-color: #fff !important;
    border: 1px solid #ced4da !important;
    border-radius: 0.375rem !important;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out !important;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered,
.select2-container--default .select2-selection--single .select2-selection__rendered {
    padding-left: 0 !important;
    color: #212529 !important;
    line-height: 1.5 !important;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__arrow,
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: calc(2.25rem + 2px) !important;
}

/* Focus state */
.select2-container--bootstrap-5 .select2-selection:focus,
.select2-container--default .select2-selection:focus {
    border-color: #86b7fe !important;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25) !important;
}

/* Disabled state */
.select2-container--bootstrap-5.select2-container--disabled .select2-selection,
.select2-container--default.select2-container--disabled .select2-selection {
    background-color: #e9ecef !important;
    opacity: 1 !important;
}

/* Make dropdown match Bootstrap */
.select2-container--bootstrap-5 .select2-dropdown,
.select2-container--default .select2-dropdown {
    border: 1px solid #ced4da !important;
    border-radius: 0.375rem !important;
}

.select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field,
.select2-container--default .select2-search--dropdown .select2-search__field {
    border: 1px solid #ced4da !important;
    border-radius: 0.375rem !important;
    padding: 0.375rem 0.75rem !important;
}

.select2-container--bootstrap-5 .select2-results__option--highlighted,
.select2-container--default .select2-results__option--highlighted {
    background-color: #0d6efd !important;
}