:root {
    --en-navy: #123B56;
    --en-navy-dark: #0C2D42;
    --en-bg: #F4F7FA;
    --en-card: #FFFFFF;
    --en-text: #1F2937;
    --en-muted: #64748B;
    --en-border: #DDE3EA;
    --en-success: #16A34A;
    --en-warning: #F59E0B;
    --en-danger: #DC2626;
    --en-info: #2563EB;
    --en-sidebar: 240px;
    --en-sidebar-collapsed: 76px;
    --en-topbar: 56px;
    --en-radius: 8px;
    --en-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(18, 59, 86, .06);
    --en-focus: 0 0 0 3px rgba(18, 59, 86, .18);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
    background: var(--en-bg);
    color: var(--en-text);
    font-family: "Be Vietnam Pro", "Segoe UI", system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.45;
}

body.en-app-body { min-height: 100vh; }

a { color: var(--en-navy); }
a:hover { color: var(--en-navy-dark); }

:focus-visible {
    outline: 2px solid var(--en-navy);
    outline-offset: 2px;
}

.en-shell { min-height: 100vh; display: flex; }

.en-sidebar {
    width: var(--en-sidebar);
    background: #fff;
    border-right: 1px solid var(--en-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 1040;
    transition: width .2s ease, transform .2s ease;
}

.en-sidebar-brand {
    height: var(--en-topbar);
    background: var(--en-navy-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 16px;
    flex-shrink: 0;
}

.en-sidebar-brand strong { font-size: 15px; letter-spacing: .01em; }
.en-sidebar-brand span { font-size: 11px; opacity: .78; }

.en-nav { padding: 12px 10px; overflow-y: auto; flex: 1; }
.en-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #475569;
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-weight: 500;
}
.en-nav a svg { width: 18px; height: 18px; flex-shrink: 0; color: #94a3b8; }
.en-nav a:hover {
    background: rgba(18, 59, 86, .08);
    color: var(--en-navy);
}
.en-nav a:hover svg { color: var(--en-navy); }
.en-nav a.active {
    background: rgba(18, 59, 86, .12);
    color: var(--en-navy);
}
.en-nav a.active svg { color: var(--en-navy); }

.en-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.en-topbar {
    height: var(--en-topbar);
    background: linear-gradient(90deg, var(--en-navy) 0%, var(--en-navy-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.en-topbar h1 { font-size: 16px; font-weight: 600; margin: 0; }
.en-topbar .muted { color: rgba(255,255,255,.78); font-size: 12px; }
.en-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 8px;
    background: rgba(255,255,255,.12);
    color: #fff;
}
.en-icon-btn:hover { background: rgba(255,255,255,.2); color: #fff; }

.en-user-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: 0;
    color: #fff;
    border-radius: 8px;
    padding: 4px 10px 4px 4px;
}
.en-avatar {
    width: 28px; height: 28px; border-radius: 50%;
    background: #fff; color: var(--en-navy);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 12px;
}

.en-content { padding: 16px; flex: 1; }

.en-card {
    background: var(--en-card);
    border: 1px solid var(--en-border);
    border-radius: var(--en-radius);
    box-shadow: var(--en-shadow);
}

.en-card .card-body, .card .card-body { padding: 16px; }
.card {
    border: 1px solid var(--en-border);
    border-radius: var(--en-radius);
    box-shadow: var(--en-shadow);
}

.btn-primary, .btn-dark {
    --bs-btn-bg: var(--en-navy);
    --bs-btn-border-color: var(--en-navy);
    --bs-btn-hover-bg: var(--en-navy-dark);
    --bs-btn-hover-border-color: var(--en-navy-dark);
    --bs-btn-active-bg: var(--en-navy-dark);
    --bs-btn-disabled-bg: var(--en-navy);
    background: var(--en-navy);
    border-color: var(--en-navy);
}
.btn-primary:hover, .btn-dark:hover { background: var(--en-navy-dark); border-color: var(--en-navy-dark); }

.form-control, .form-select {
    border-color: var(--en-border);
    border-radius: 8px;
    min-height: 38px;
}
.form-control:focus, .form-select:focus {
    border-color: var(--en-navy);
    box-shadow: var(--en-focus);
}

.en-stat-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.stat-card {
    border: 1px solid var(--en-border);
    border-radius: var(--en-radius);
    background: var(--en-card);
    padding: 12px 14px;
    height: 100%;
    color: inherit;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: var(--en-shadow);
    min-height: 92px;
}
.stat-card:hover { border-color: var(--en-navy); color: inherit; }
.stat-card .stat-icon {
    width: 28px; height: 28px; border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
}
.stat-card .label { color: var(--en-muted); font-size: 12px; font-weight: 500; }
.stat-card .value { font-size: 20px; font-weight: 700; line-height: 1.2; }
.stat-tone-navy .stat-icon { background: rgba(18,59,86,.1); color: var(--en-navy); }
.stat-tone-info .stat-icon { background: rgba(37,99,235,.12); color: var(--en-info); }
.stat-tone-success .stat-icon { background: rgba(22,163,74,.12); color: var(--en-success); }
.stat-tone-warning .stat-icon { background: rgba(245,158,11,.14); color: #b45309; }
.stat-tone-danger .stat-icon { background: rgba(220,38,38,.1); color: var(--en-danger); }

.en-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: end;
    background: #fff;
    border: 1px solid var(--en-border);
    border-radius: var(--en-radius);
    padding: 12px;
    margin-bottom: 16px;
    box-shadow: var(--en-shadow);
}

.en-table-wrap { overflow-x: auto; }
.en-table {
    width: 100%;
    margin: 0;
    background: #fff;
}
.en-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: #f8fafc;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--en-border);
    white-space: nowrap;
}
.en-table tbody tr:nth-child(even) { background: #fbfdff; }
.en-table tbody tr:hover { background: #f1f5f9; }
.en-table tbody tr.is-pending { background: #fffbeb; }
.amount { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; }

.badge-vat-pending, .badge-vat-done, .en-badge {
    display: inline-flex; align-items: center; gap: 4px;
    border-radius: 999px; padding: 3px 8px; font-weight: 600; font-size: 12px; white-space: nowrap;
}
.badge-vat-pending { background: #fff7ed; color: #c2410c; border: 1px solid #fdba74; }
.badge-vat-done { background: #ecfdf3; color: #067647; border: 1px solid #86efac; }
.en-badge-role { background: rgba(18,59,86,.1); color: var(--en-navy); }
.en-badge-on { background: #ecfdf3; color: #067647; }
.en-badge-off { background: #f1f5f9; color: #64748b; }
.en-badge-wait { background: #fff7ed; color: #c2410c; }
.en-badge-manual { background: #eff6ff; color: #1d4ed8; }

.vat-select { min-width: 12.5rem; width: 12.5rem; font-weight: 600; }
.vat-select-pending { background: #fff7ed; color: #9a3412; border-color: #fdba74; }
.vat-select-done { background: #ecfdf3; color: #067647; border-color: #86efac; }

.save-status { font-size: 12px; color: var(--en-muted); display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.save-status.is-saving { color: var(--en-info); }
.save-status.is-saved { color: var(--en-success); }
.save-status.is-error { color: var(--en-danger); }
.save-status.is-conflict { color: #b45309; }

.desc-cell {
    max-width: 240px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.note-input, .order-input { min-width: 148px; }
.datetime-cell { white-space: nowrap; }
.provider-manual { color: #1d4ed8; font-weight: 600; }
.claim-btn { min-height: 40px; }

.en-page-head {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
    align-items: center; margin-bottom: 16px;
}

.en-overlay {
    display: none; position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 1035;
}
body.sidebar-open .en-overlay { display: block; }

.en-toast-stack {
    position: fixed; right: 16px; bottom: 16px; z-index: 1080;
    display: flex; flex-direction: column; gap: 8px; max-width: 360px;
}
.en-toast {
    background: #fff; border: 1px solid var(--en-border); border-left: 4px solid var(--en-navy);
    border-radius: 8px; box-shadow: var(--en-shadow); padding: 12px 14px;
}
.en-toast.is-success { border-left-color: var(--en-success); }
.en-toast.is-warning { border-left-color: var(--en-warning); }
.en-toast.is-error { border-left-color: var(--en-danger); }

.en-empty { text-align: center; color: var(--en-muted); padding: 40px 16px; }

.dropdown-menu { border-radius: 8px; border-color: var(--en-border); box-shadow: var(--en-shadow); }

body.sidebar-collapsed .en-sidebar { width: var(--en-sidebar-collapsed); }
body.sidebar-collapsed .en-sidebar-brand span,
body.sidebar-collapsed .en-nav a span { display: none; }
body.sidebar-collapsed .en-nav a { justify-content: center; }

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--en-bg);
    padding: 24px;
}
.login-card { width: 100%; max-width: 420px; }

@media (max-width: 1399.98px) {
    .en-stat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 991.98px) {
    .en-sidebar {
        position: fixed;
        transform: translateX(-105%);
        box-shadow: var(--en-shadow);
    }
    body.sidebar-open .en-sidebar { transform: none; }
    .en-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .tx-card {
        border: 1px solid var(--en-border);
        border-radius: var(--en-radius);
        background: #fff;
        padding: 16px;
        margin-bottom: 12px;
        box-shadow: var(--en-shadow);
    }
    .tx-card.is-pending { background: #fffbeb; }
}
@media (max-width: 575.98px) {
    .en-stat-grid { grid-template-columns: 1fr; }
    .en-content { padding: 12px; }
}

@media (min-width: 992px) {
    #filterBody.collapse { display: block !important; height: auto !important; visibility: visible; }
}