/**
 * Enterprise Design System v2
 * Built on Bootstrap 5 (local). Single stylesheet: shell, components, BS4 compatibility.
 * Brand: Institute Green #1D6339 · Amber #DF9139
 */

/* ============ Fonts (self-hosted, swap) ============ */
@font-face { font-family: "Cairo"; font-weight: 400; font-display: swap; src: url("../static/Cairo-Regular.ttf") format("truetype"); }
@font-face { font-family: "Cairo"; font-weight: 600; font-display: swap; src: url("../static/Cairo-SemiBold.ttf") format("truetype"); }
@font-face { font-family: "Cairo"; font-weight: 700; font-display: swap; src: url("../static/Cairo-Bold.ttf") format("truetype"); }

/* ============ Tokens ============ */
:root {
    --brand-primary: #1D6339;
    --brand-primary-hover: #14492A;
    --brand-primary-light: #edf5f0;
    --brand-primary-gradient: linear-gradient(135deg, #1D6339 0%, #2E8B57 100%);
    --brand-primary-glow: rgba(29, 99, 57, .18);
    --brand-accent: #DF9139;
    --brand-accent-light: #fdf3e7;
    --brand-success: #10b981;
    --brand-success-light: #ecfdf5;
    --brand-warning: #f59e0b;
    --brand-warning-light: #fffbeb;
    --brand-danger: #ef4444;
    --brand-danger-light: #fef2f2;
    --brand-dark: #0f172a;
    --brand-surface: #fff;
    --brand-bg: #f4f7fb;
    --brand-border: #e2e8f0;
    --brand-border-subtle: #f1f5f9;
    --brand-text: #1e293b;
    --brand-text-muted: #64748b;
    --brand-radius-sm: 8px;
    --brand-radius: 12px;
    --brand-radius-lg: 16px;
    --brand-shadow-xs: 0 1px 2px rgba(15, 23, 42, .05);
    --brand-shadow-sm: 0 1px 3px rgba(15, 23, 42, .07), 0 1px 2px rgba(15, 23, 42, .04);
    --brand-shadow: 0 6px 16px -4px rgba(15, 23, 42, .10);
    --brand-transition: .2s ease;

    --sb-width: 264px;
    --sb-width-collapsed: 76px;
    --topbar-h: 64px;

    /* Bootstrap overrides */
    --bs-primary: #1D6339;
    --bs-primary-rgb: 10, 61, 125;
    --bs-info: #DF9139;
    --bs-info-rgb: 2, 132, 199;
    --bs-success: #10b981;
    --bs-success-rgb: 16, 185, 129;
    --bs-body-font-family: "Cairo", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
    --bs-body-font-size: .94rem;
    --bs-body-color: var(--brand-text);
    --bs-body-bg: var(--brand-bg);
    --bs-border-color: var(--brand-border);
    --bs-link-color: var(--brand-primary);
    --bs-link-hover-color: var(--brand-accent);
}

/* ============ Base ============ */
html { -webkit-text-size-adjust: 100%; }
body.app-body { background: var(--brand-bg); font-family: var(--bs-body-font-family); line-height: 1.6; min-height: 100vh; }
h1, h2, h3, h4, h5, h6 { color: var(--brand-dark); font-weight: 700; }
a { text-decoration: none; }
.fs-7 { font-size: .85rem !important; }
.hover-primary:hover { color: var(--brand-primary) !important; }
.fw-bold, .font-weight-bold { font-weight: 700 !important; }
.table, .form-control, .form-select, .btn, .dropdown-menu, .modal { font-family: inherit; }

/* ============ Shell: sidebar ============ */
.app-sidebar {
    position: fixed; inset-block: 0; inset-inline-start: 0;
    width: var(--sb-width); z-index: 1040;
    background: linear-gradient(180deg, #11321f 0%, #0b2416 100%);
    color: #cbd5e1; display: flex; flex-direction: column;
    transition: width var(--brand-transition), transform var(--brand-transition);
    box-shadow: 2px 0 20px rgba(2, 8, 23, .12);
}
.sb-brand {
    display: flex; align-items: center; gap: .75rem;
    height: var(--topbar-h); padding: 0 1.1rem; flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06); color: #fff;
}
.sb-brand img { border-radius: 10px; background: #fff; padding: 3px; object-fit: contain; flex-shrink: 0; }
.sb-brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.sb-brand-text strong { font-size: 1.15rem; letter-spacing: .04em; color: #fff; }
.sb-brand-text small { font-size: .72rem; color: #94a3b8; white-space: nowrap; }

.sb-nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: .75rem .65rem 2rem; scrollbar-width: thin; scrollbar-color: #334155 transparent; }
.sb-heading { padding: 1.1rem .75rem .4rem; font-size: .7rem; font-weight: 700; letter-spacing: .08em; color: #64748b; white-space: nowrap; }
.sb-link, .sb-sublink {
    display: flex; align-items: center; gap: .75rem; width: 100%;
    padding: .62rem .8rem; border: 0; background: transparent;
    color: #aebbd0; font-weight: 600; font-size: .92rem; text-align: start;
    border-radius: 10px; margin-bottom: 2px; cursor: pointer; white-space: nowrap;
    transition: background var(--brand-transition), color var(--brand-transition);
}
.sb-link > i:first-child, .sb-sublink > i { width: 22px; text-align: center; font-size: 1rem; color: #64748b; flex-shrink: 0; transition: color var(--brand-transition); }
.sb-link:hover, .sb-sublink:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.sb-link:hover > i:first-child, .sb-sublink:hover > i { color: #EBA75E; }
.sb-link.active, .sb-sublink.active { background: var(--brand-primary-gradient); color: #fff; box-shadow: 0 4px 12px rgba(10, 61, 125, .45); }
.sb-link.active > i:first-child, .sb-sublink.active > i { color: #fff; }
.sb-toggle span { flex: 1; }
.sb-chev { font-size: .7rem !important; width: auto !important; transition: transform var(--brand-transition) !important; }
.sb-group.open > .sb-toggle .sb-chev { transform: rotate(180deg); }
.sb-group.active > .sb-toggle { color: #fff; }
.sb-sub { display: none; margin: 2px .4rem 6px; padding: .25rem; background: rgba(0, 0, 0, .22); border-radius: 10px; }
.sb-group.open > .sb-sub { display: block; }
.sb-sublink { font-size: .86rem; padding: .5rem .75rem; }

.sb-backdrop { display: none; }

/* collapsed (desktop) */
@media (min-width: 992px) {
    body.sidebar-collapsed .app-sidebar { width: var(--sb-width-collapsed); }
    body.sidebar-collapsed .sb-brand { justify-content: center; padding: 0; }
    body.sidebar-collapsed .sb-brand-text,
    body.sidebar-collapsed .sb-link span,
    body.sidebar-collapsed .sb-heading span,
    body.sidebar-collapsed .sb-chev,
    body.sidebar-collapsed .sb-sub { display: none !important; }
    body.sidebar-collapsed .sb-link { justify-content: center; padding: .7rem 0; }
    body.sidebar-collapsed .sb-heading { padding: .6rem 0; border-top: 1px solid rgba(255, 255, 255, .06); margin-top: .5rem; }
    body.sidebar-collapsed .app-main { margin-inline-start: var(--sb-width-collapsed); }
}

/* ============ Shell: main + topbar ============ */
.app-main { margin-inline-start: var(--sb-width); min-height: 100vh; display: flex; flex-direction: column; transition: margin var(--brand-transition); }
.app-topbar {
    position: sticky; top: 0; z-index: 1030; height: var(--topbar-h);
    display: flex; align-items: center; gap: .75rem; padding: 0 1.5rem;
    background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--brand-border);
}
.tb-spacer { flex: 1; }
.tb-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
    height: 40px; min-width: 40px; padding: 0 .65rem; border: 0; border-radius: 10px;
    background: transparent; color: var(--brand-text); font-weight: 600; cursor: pointer;
    transition: background var(--brand-transition);
}
.tb-btn:hover { background: var(--brand-primary-light); color: var(--brand-primary); }
.tb-tag {
    align-items: center; gap: .45rem; padding: .35rem .8rem; border-radius: 999px;
    background: var(--brand-primary-light); color: var(--brand-primary); font-size: .8rem; font-weight: 600;
}
.tb-tag i { color: var(--brand-accent); }
.tb-user { display: flex; align-items: center; gap: .6rem; border: 0; background: transparent; padding: .25rem .4rem; border-radius: 12px; cursor: pointer; }
.tb-user:hover { background: var(--brand-primary-light); }
.tb-avatar {
    width: 38px; height: 38px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
    background: var(--brand-primary-gradient); color: #fff; font-weight: 700; text-transform: uppercase;
}
.tb-user-text { flex-direction: column; text-align: start; line-height: 1.2; }
.tb-user-text strong { font-size: .88rem; color: var(--brand-dark); }
.tb-user-text small { font-size: .72rem; color: var(--brand-text-muted); }
.tb-chev { font-size: .65rem; color: var(--brand-text-muted); }
.dropdown-menu { border-radius: var(--brand-radius); padding: .4rem; min-width: 190px; }
.dropdown-item { border-radius: 8px; padding: .5rem .8rem; display: flex; align-items: center; gap: .6rem; font-weight: 600; font-size: .9rem; }

/* ============ Shell: content ============ */
.app-content { flex: 1; padding: 1.5rem 1.75rem 0; max-width: 1680px; width: 100%; margin-inline: auto; }
.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.4rem; }
.page-title { font-size: 1.45rem; font-weight: 800; margin: 0 0 .15rem; }
.breadcrumb { margin: 0; padding: 0; font-size: .83rem; background: transparent; }
.breadcrumb-item a { color: var(--brand-text-muted); font-weight: 600; }
.breadcrumb-item a:hover { color: var(--brand-primary); }
.breadcrumb-item.active { color: var(--brand-dark); font-weight: 700; }
.app-footer { padding: 1.5rem 0; margin-top: 1.5rem; text-align: center; color: var(--brand-text-muted); font-size: .8rem; border-top: 1px solid var(--brand-border); }

/* mobile */
@media (max-width: 991.98px) {
    .app-main { margin-inline-start: 0; }
    .app-sidebar { transform: translateX(100%); width: min(86vw, 300px); }
    [dir="ltr"] .app-sidebar { transform: translateX(-100%); }
    body.sidebar-open .app-sidebar { transform: none; }
    body.sidebar-open .sb-backdrop { display: block; position: fixed; inset: 0; background: rgba(2, 8, 23, .5); z-index: 1035; }
    .app-topbar { padding: 0 .85rem; }
    .app-content { padding: 1rem .85rem 0; }
    .page-title { font-size: 1.2rem; }
}

/* ============ Cards ============ */
.card { background: var(--brand-surface); border: 1px solid var(--brand-border); border-radius: var(--brand-radius-lg); box-shadow: var(--brand-shadow-sm); }
.card-header { background: transparent; border-bottom: 1px solid var(--brand-border); padding: 1rem 1.25rem; font-weight: 700; }
.card-header.bg-white { background: #fff !important; }
.card-body { padding: 1.25rem; }
.card-content { overflow: visible; }
.card-title { font-size: 1.05rem; font-weight: 700; }
.shadow-sm { box-shadow: var(--brand-shadow-sm) !important; }

/* ============ Buttons ============ */
.btn { border-radius: var(--brand-radius-sm); font-weight: 600; padding: .5rem 1.05rem; font-size: .9rem; display: inline-flex; align-items: center; justify-content: center; gap: .45rem; transition: all var(--brand-transition); }
.btn-sm { padding: .32rem .7rem; font-size: .82rem; }
.btn-lg { padding: .7rem 1.4rem; font-size: 1rem; }
.btn-primary { --bs-btn-bg: var(--brand-primary); --bs-btn-border-color: var(--brand-primary); --bs-btn-hover-bg: var(--brand-primary-hover); --bs-btn-hover-border-color: var(--brand-primary-hover); --bs-btn-active-bg: var(--brand-primary-hover); --bs-btn-active-border-color: var(--brand-primary-hover); --bs-btn-disabled-bg: var(--brand-primary); --bs-btn-disabled-border-color: var(--brand-primary); background-image: var(--brand-primary-gradient); box-shadow: 0 2px 6px rgba(10, 61, 125, .22); }
.btn-primary:hover { box-shadow: 0 5px 14px var(--brand-primary-glow); transform: translateY(-1px); }
.btn-success { --bs-btn-bg: #10b981; --bs-btn-border-color: #10b981; --bs-btn-hover-bg: #059669; --bs-btn-hover-border-color: #059669; --bs-btn-color: #fff; --bs-btn-hover-color: #fff; }
.btn-info { --bs-btn-bg: var(--brand-accent); --bs-btn-border-color: var(--brand-accent); --bs-btn-hover-bg: #A8661F; --bs-btn-hover-border-color: #A8661F; --bs-btn-color: #fff; --bs-btn-hover-color: #fff; }
.btn-outline-primary { --bs-btn-color: var(--brand-primary); --bs-btn-border-color: var(--brand-primary); --bs-btn-hover-bg: var(--brand-primary); --bs-btn-hover-border-color: var(--brand-primary); --bs-btn-active-bg: var(--brand-primary); }
.btn-light { --bs-btn-bg: #fff; --bs-btn-border-color: var(--brand-border); }
.btn-group > .btn { border-radius: 0; }
.btn-group > .btn:first-child { border-start-start-radius: var(--brand-radius-sm); border-end-start-radius: var(--brand-radius-sm); }
.btn-group > .btn:last-child, .btn-group > form:last-child .btn { border-start-end-radius: var(--brand-radius-sm); border-end-end-radius: var(--brand-radius-sm); }
.btn-group > form { display: inline-flex; }
.btn-group > form .btn { border-radius: 0; margin-inline-start: -1px; }
.btn-close.m-inherit { margin: 0; }

/* ============ Forms ============ */
.form-control, .form-select { border-radius: var(--brand-radius-sm); border: 1.5px solid var(--brand-border); padding: .55rem .85rem; font-size: .93rem; background-color: #fff; transition: border-color var(--brand-transition), box-shadow var(--brand-transition); }
.form-control-sm, .form-select-sm { padding: .3rem .6rem; font-size: .84rem; }
.form-control:focus, .form-select:focus { border-color: var(--brand-primary); box-shadow: 0 0 0 3px var(--brand-primary-glow); }
.form-control::placeholder { color: #94a3b8; }
.form-control:disabled, .form-control[readonly] { background: #f8fafc; }
select.form-control { padding-inline-end: 2rem; }
label, .form-label { font-weight: 600; font-size: .88rem; margin-bottom: .4rem; color: var(--brand-text); }
.input-group-text { background: #f8fafc; border: 1.5px solid var(--brand-border); color: var(--brand-text-muted); border-radius: var(--brand-radius-sm); font-size: .9rem; }
.form-actions { display: flex; justify-content: flex-end; gap: .6rem; }
.invalid-feedback, .text-danger.small { font-size: .8rem; }
.form-check-input:checked { background-color: var(--brand-primary); border-color: var(--brand-primary); }
.form-check-input:focus { box-shadow: 0 0 0 3px var(--brand-primary-glow); border-color: var(--brand-primary); }

/* select2 */
.select2-container { width: 100% !important; }
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple { min-height: 40px; border: 1.5px solid var(--brand-border); border-radius: var(--brand-radius-sm); display: flex; align-items: center; }
.select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 38px; padding-inline: .85rem 2rem; color: var(--brand-text); width: 100%; }
.select2-container--default .select2-selection--single .select2-selection__arrow { height: 38px; inset-inline-end: .5rem; inset-inline-start: auto; }
.select2-container--default.select2-container--focus .select2-selection, .select2-container--open .select2-selection { border-color: var(--brand-primary) !important; box-shadow: 0 0 0 3px var(--brand-primary-glow); }
.select2-dropdown { border: 1.5px solid var(--brand-border); border-radius: var(--brand-radius-sm); box-shadow: var(--brand-shadow); overflow: hidden; z-index: 2000; }
.select2-container--default .select2-results__option--highlighted[aria-selected], .select2-container--default .select2-results__option--highlighted.select2-results__option--selectable { background: var(--brand-primary); }
.select2-search--dropdown .select2-search__field { border-radius: 6px; border: 1.5px solid var(--brand-border); padding: .35rem .6rem; }
.input-group .select2-container { flex: 1 1 auto; width: 1% !important; }

/* ============ Tables ============ */
.table-responsive { border-radius: var(--brand-radius); -webkit-overflow-scrolling: touch; }
.table { --bs-table-bg: transparent; color: var(--brand-text); margin-bottom: 0; vertical-align: middle; }
.table > thead > tr > th, .table thead th { background: #f8fafc; color: #475569; font-weight: 700; font-size: .84rem; border-bottom: 1px solid var(--brand-border); border-top: 0; padding: .8rem .9rem; white-space: nowrap; }
.table > tbody > tr > td { padding: .75rem .9rem; border-bottom: 1px solid var(--brand-border-subtle); font-size: .9rem; }
.table-hover > tbody > tr:hover > * { background-color: #f8fafc; --bs-table-bg-state: #f8fafc; }
.table tbody tr:last-child td { border-bottom: 0; }
.card-content > .table, .card-content > table { margin: 0; }
.card-content { overflow-x: auto; }
.align-middle { vertical-align: middle !important; }

/* ============ Badges ============ */
.badge { font-weight: 700; font-size: .78rem; padding: .38em .75em; border-radius: 999px; }
.badge.bg-success, .badge-success { background: var(--brand-success-light) !important; color: #047857 !important; }
.badge.bg-danger, .badge-danger { background: var(--brand-danger-light) !important; color: #b91c1c !important; }
.badge.bg-warning, .badge-warning { background: var(--brand-warning-light) !important; color: #b45309 !important; }
.badge.bg-info, .badge-info { background: var(--brand-accent-light) !important; color: #A8661F !important; }
.badge.bg-primary, .badge-primary { background: var(--brand-primary-light) !important; color: var(--brand-primary) !important; }
.badge.bg-secondary, .badge-secondary, .badge-light-secondary { background: #f1f5f9 !important; color: #475569 !important; }
.badge.bg-white { background: #fff !important; }
.badge-light-primary { background: var(--brand-primary-light); color: var(--brand-primary); }
.badge-light-success { background: var(--brand-success-light); color: #047857; }
.badge-light-info { background: var(--brand-accent-light); color: #A8661F; }
.badge-light-warning { background: var(--brand-warning-light); color: #b45309; }
.badge-light-danger { background: var(--brand-danger-light); color: #b91c1c; }
.badge-soft-primary { background: var(--brand-primary-light); color: var(--brand-primary); }
.badge-soft-success { background: var(--brand-success-light); color: #059669; }
.badge-soft-info { background: var(--brand-accent-light); color: #DF9139; }
.badge-soft-warning { background: var(--brand-warning-light); color: #d97706; }
.badge-soft-danger { background: var(--brand-danger-light); color: #dc2626; }

/* icon circles */
.stat-icon-circle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 11px; font-size: 1.05rem; flex-shrink: 0; }

/* ============ Alerts / modals / pagination ============ */
.alert { border-radius: var(--brand-radius); border: 0; font-weight: 600; }
.alert-danger { background: var(--brand-danger-light); color: #b91c1c; }
.alert-success { background: var(--brand-success-light); color: #047857; }
.modal-content { border-radius: var(--brand-radius-lg); border: 0; box-shadow: 0 25px 60px -12px rgba(15, 23, 42, .35); overflow: hidden; }
.modal-header { background: #f8fafc; border-bottom: 1px solid var(--brand-border); padding: 1rem 1.25rem; }
.modal-title { font-weight: 700; font-size: 1.05rem; }
.modal-footer { border-top: 1px solid var(--brand-border); }
.pagination { gap: .25rem; justify-content: center; margin: 0; flex-wrap: wrap; }
.page-link { border-radius: var(--brand-radius-sm) !important; border: 1px solid var(--brand-border); color: var(--brand-text); font-weight: 600; font-size: .85rem; padding: .4rem .8rem; }
.page-item.active .page-link { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }
.page-link:hover { background: var(--brand-primary-light); color: var(--brand-primary); }

/* ============ Dashboard components ============ */
.welcome-banner { background: linear-gradient(135deg, #1D6339 0%, #2E8B57 100%); border-radius: var(--brand-radius-lg); color: #fff; padding: 1.6rem 1.9rem; margin-bottom: 1.75rem; box-shadow: 0 12px 28px -8px rgba(10, 61, 125, .35); position: relative; overflow: hidden; }
.welcome-banner::after { content: ''; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(56, 189, 248, .25) 0%, rgba(56, 189, 248, 0) 70%); bottom: -80px; inset-inline-end: -30px; }
.welcome-banner h2 { color: #fff; }
.kpi-card { border-radius: 14px; background: #fff; border: 1px solid var(--brand-border); box-shadow: var(--brand-shadow-sm); padding: 1.2rem; transition: transform var(--brand-transition), box-shadow var(--brand-transition); display: flex; flex-direction: column; justify-content: space-between; height: 100%; }
.kpi-card:hover { transform: translateY(-3px); box-shadow: var(--brand-shadow); }
.kpi-icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.kpi-val { font-size: 1.5rem; font-weight: 800; color: var(--brand-dark); line-height: 1.25; margin: .3rem 0; }
.kpi-label { font-size: .84rem; font-weight: 600; color: var(--brand-text-muted); }
.stat-mini-card { background: #fff; border: 1px solid var(--brand-border); border-radius: 12px; padding: .9rem 1.1rem; display: flex; align-items: center; justify-content: space-between; transition: all var(--brand-transition); }
.stat-mini-card:hover { border-color: var(--brand-primary); transform: translateY(-2px); box-shadow: var(--brand-shadow-sm); }
.section-title { font-size: 1.02rem; font-weight: 700; color: var(--brand-dark); display: flex; align-items: center; gap: .55rem; margin-bottom: 1rem; }
.section-title i { color: var(--brand-primary); }

/* ============ Invoice components ============ */
.invoice-card { border-radius: var(--brand-radius-lg); border: 1px solid var(--brand-border); background: #fff; box-shadow: var(--brand-shadow-sm); margin-bottom: 1.4rem; overflow: hidden; }
.invoice-card-header { background: #f8fafc; border-bottom: 1px solid var(--brand-border); padding: 1rem 1.4rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem; }
.invoice-card-title { font-size: 1.05rem; font-weight: 700; margin: 0; display: flex; align-items: center; gap: .55rem; }
.invoice-card-title i { color: var(--brand-primary); }
.invoice-items-table th { background: #f1f5f9; color: var(--brand-dark); font-weight: 700; font-size: .85rem; border: 0; padding: .8rem .9rem; white-space: nowrap; }
.invoice-items-table td { vertical-align: middle; padding: .6rem .7rem; border-top: 1px solid var(--brand-border-subtle); }
.invoice-summary-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 1.4rem; padding: 1.1rem; background: #f8fafc; border: 1px solid var(--brand-border); border-radius: var(--brand-radius); }
.invoice-summary-box { background: #fff; border: 1px solid var(--brand-border); border-radius: var(--brand-radius-sm); padding: .8rem 1rem; position: relative; overflow: hidden; }
.invoice-summary-box::before { content: ''; position: absolute; inset-inline-start: 0; top: 0; bottom: 0; width: 4px; background: var(--brand-border); }
.invoice-summary-box.primary::before { background: var(--brand-primary); }
.invoice-summary-box.success::before { background: var(--brand-success); }
.invoice-summary-box.warning::before { background: var(--brand-warning); }
.invoice-summary-box.danger::before { background: var(--brand-danger); }
.invoice-summary-box .label { font-size: .8rem; color: var(--brand-text-muted); font-weight: 600; margin-bottom: .3rem; display: flex; align-items: center; justify-content: space-between; }
.invoice-summary-box .value { font-size: 1.2rem; font-weight: 800; color: var(--brand-dark); }
.invoice-summary-box .value small { font-size: .78rem; font-weight: 600; color: var(--brand-text-muted); }

/* ============ Bootstrap 4 compatibility (legacy views) ============ */
.form-group { margin-bottom: 1rem; }
.form-row { display: flex; flex-wrap: wrap; margin-inline: -.5rem; } .form-row > [class*="col"] { padding-inline: .5rem; }
.no-gutters { margin: 0; } .no-gutters > [class*="col"] { padding: 0; }
.btn-block { display: flex; width: 100%; }
.badge-pill { border-radius: 999px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.font-weight-semibold { font-weight: 600 !important; } .font-weight-normal { font-weight: 400 !important; } .font-weight-light { font-weight: 300 !important; }
.text-left { text-align: start !important; } .text-right { text-align: end !important; }
.float-left { float: inline-start !important; } .float-right { float: inline-end !important; }
.text-monospace { font-family: ui-monospace, SFMono-Regular, Menlo, monospace !important; }
.close { background: transparent; border: 0; font-size: 1.5rem; line-height: 1; color: #94a3b8; cursor: pointer; }
.input-group-prepend, .input-group-append { display: contents; }
.input-group-prepend .input-group-text { border-start-end-radius: 0; border-end-end-radius: 0; border-inline-end: 0; }
.input-group-append .input-group-text, .input-group-append .btn { border-start-start-radius: 0; border-end-start-radius: 0; }
.input-group-prepend ~ .form-control, .input-group-prepend ~ .form-select, .input-group-prepend ~ .select2-container .select2-selection { border-start-start-radius: 0; border-end-start-radius: 0; }
.input-group .form-control:not(:last-child) { }
.custom-control { display: flex; align-items: center; gap: .5rem; position: relative; }
.custom-control-input { position: static; width: 1.1em; height: 1.1em; accent-color: var(--brand-primary); margin: 0; }
.custom-control-label { margin: 0; }
.custom-select { display: block; width: 100%; padding: .55rem .85rem; border: 1.5px solid var(--brand-border); border-radius: var(--brand-radius-sm); background: #fff; }

/* BS4 spacing utilities mapped to logical props (mr = trailing side of an icon in RTL) */
.mr-0 { margin-inline-end: 0 !important; } .mr-1 { margin-inline-end: .25rem !important; } .mr-2 { margin-inline-end: .5rem !important; } .mr-3 { margin-inline-end: 1rem !important; } .mr-4 { margin-inline-end: 1.5rem !important; } .mr-5 { margin-inline-end: 3rem !important; } .mr-auto { margin-inline-end: auto !important; }
.ml-0 { margin-inline-start: 0 !important; } .ml-1 { margin-inline-start: .25rem !important; } .ml-2 { margin-inline-start: .5rem !important; } .ml-3 { margin-inline-start: 1rem !important; } .ml-4 { margin-inline-start: 1.5rem !important; } .ml-5 { margin-inline-start: 3rem !important; } .ml-auto { margin-inline-start: auto !important; }
.pr-0 { padding-inline-end: 0 !important; } .pr-1 { padding-inline-end: .25rem !important; } .pr-2 { padding-inline-end: .5rem !important; } .pr-3 { padding-inline-end: 1rem !important; } .pr-4 { padding-inline-end: 1.5rem !important; }
.pl-0 { padding-inline-start: 0 !important; } .pl-1 { padding-inline-start: .25rem !important; } .pl-2 { padding-inline-start: .5rem !important; } .pl-3 { padding-inline-start: 1rem !important; } .pl-4 { padding-inline-start: 1.5rem !important; }
.gap-1 { gap: .25rem !important; } .gap-2 { gap: .5rem !important; } .gap-3 { gap: 1rem !important; }

/* Legacy icon fonts (Line Awesome / Feather) mapped onto Font Awesome glyphs */
.la, [class^="ft-"], [class*=" ft-"] { font-family: "Font Awesome 6 Free"; font-weight: 900; font-style: normal; display: inline-block; line-height: 1; -webkit-font-smoothing: antialiased; }
.la-angle-down::before { content: "\f107"; } .la-arrow-right::before { content: "\f061"; } .la-balance-scale::before { content: "\f24e"; }
.la-barcode::before { content: "\f02a"; } .la-boxes::before { content: "\f468"; } .la-calculator::before { content: "\f1ec"; }
.la-calendar::before { content: "\f133"; } .la-check-circle::before { content: "\f058"; } .la-check-square-o::before { content: "\f14a"; }
.la-comment-alt::before { content: "\f27a"; } .la-edit::before { content: "\f044"; } .la-ellipsis-v::before { content: "\f142"; }
.la-envelope::before { content: "\f0e0"; } .la-exclamation-triangle::before { content: "\f071"; } .la-file-invoice::before { content: "\f570"; }
.la-file-invoice-dollar::before { content: "\f571"; } .la-filter::before { content: "\f0b0"; } .la-hand-holding-usd::before { content: "\f4c0"; }
.la-history::before { content: "\f1da"; } .la-inbox::before { content: "\f01c"; } .la-list::before { content: "\f03a"; }
.la-map-marker::before { content: "\f3c5"; } .la-map-pin::before { content: "\f276"; } .la-money-bill::before { content: "\f0d6"; }
.la-money-bill-wave::before { content: "\f53a"; } .la-percent::before { content: "\25"; } .la-phone::before { content: "\f095"; }
.la-plus::before { content: "\2b"; } .la-plus-circle::before { content: "\f055"; } .la-print::before { content: "\f02f"; }
.la-receipt::before { content: "\f543"; } .la-search::before { content: "\f002"; } .la-shopping-basket::before { content: "\f291"; }
.la-shopping-cart::before { content: "\f07a"; } .la-times::before { content: "\f00d"; } .la-trash::before { content: "\f1f8"; }
.la-truck::before { content: "\f0d1"; } .la-undo::before { content: "\f0e2"; } .la-undo-alt::before { content: "\f2ea"; }
.la-user::before { content: "\f007"; } .la-user-edit::before { content: "\f4ff"; } .la-user-plus::before { content: "\f234"; }
.la-users::before { content: "\f0c0"; } .la-user-tie::before { content: "\f508"; } .la-warehouse::before { content: "\f494"; }
.ft-menu::before { content: "\f0c9"; } .ft-plus::before { content: "\f067"; } .ft-power::before { content: "\f011"; }
.ft-user::before { content: "\f007"; } .ft-heart::before { content: "\f004"; } .ft-edit::before { content: "\f044"; } .ft-trash::before { content: "\f1f8"; }

/* ============ Print ============ */
@media print {
    .app-sidebar, .app-topbar, .app-footer, .page-head-actions, .sb-backdrop { display: none !important; }
    .app-main { margin: 0 !important; }
    .app-content { padding: 0 !important; max-width: none; }
    body.app-body { background: #fff; }
}

/* ============ Mobile tables & cards ============ */
@media (max-width: 767.98px) {
    .card-header { flex-wrap: wrap; gap: .6rem; }
    .card-header form, .card-header .input-group { width: 100% !important; }
    .card-body { padding: 1rem; }
    .table > tbody > tr > td, .table thead th { white-space: nowrap; }
    .kpi-val { font-size: 1.3rem; }
}