/* ──────────────────────────────────────────────────────────────────────
   sop.css — GLOBAL styles cho trang /sop-bieu-mau + sub-component +
   MudDrawer detail (drawer portal ra body nên không nhận CSS isolation).

   Phải link vào App.razor (sau app.css + MudBlazor.min.css để có
   thể override). Token dùng `var(--mud-palette-*)` của theme webapp
   + biến `--sop-*` local scoped trong `.sop-page` và `.sop-detail-drawer`.
   ────────────────────────────────────────────────────────────────────── */

/* ─── Token scope cho page + drawer ──────────────────────────────── */
.sop-page,
.sop-detail-drawer {
    --sop-brand:        var(--mud-palette-primary, #0a4174);
    --sop-brand-soft:   var(--mud-palette-primary-lighten, #e8f0fb);
    --sop-success:      var(--mud-palette-success, #2e7d32);
    --sop-success-soft: rgba(46, 125, 50, 0.10);
    --sop-warning:      var(--mud-palette-warning, #ed6c02);
    --sop-warning-soft: rgba(237, 108, 2, 0.10);
    --sop-error:        var(--mud-palette-error, #c62828);
    --sop-error-soft:   rgba(198, 40, 40, 0.10);
    --sop-info:         var(--mud-palette-info, #0277bd);
    --sop-info-soft:    rgba(2, 119, 189, 0.10);
    --sop-neutral:      var(--mud-palette-text-secondary, #546e7a);
    --sop-neutral-soft: rgba(84, 110, 122, 0.10);
    --sop-border:       var(--mud-palette-lines-default, #e0e0e0);
    --sop-bg-card:      var(--mud-palette-surface, #fff);
    --sop-bg-soft:      var(--mud-palette-background-grey, #f5f5f5);
    --sop-fg:           var(--mud-palette-text-primary, #1a1a1a);
    --sop-fg-2:         var(--mud-palette-text-secondary, #555);
    --sop-fg-3:         var(--mud-palette-text-disabled, #999);
}

/* Page fit viewport: flex column, height = vh - topbar; chỉ list scroll bên trong. */
.sop-page {
    display: flex;
    flex-direction: column;
    gap: 12px;
    /* Tổng chiều cao trừ MudAppBar (~64px) + main padding (~24-32px) */
    height: calc(100vh - 96px);
    min-height: 480px;
}
@media (max-width: 1024px) {
    .sop-page {
        height: auto;
        min-height: 0;
    }
}

/* ─── Header ────────────────────────────────────────────────── */
.sop-page-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.sop-page-header-title { flex: 1; min-width: 280px; }
.sop-page-header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    align-items: center;
    flex-shrink: 0;
}

/* F2: View toggle Cây/Bảng — segmented control style */
.sop-page-header-actions .mud-toggle-group {
    background: var(--sop-bg-soft);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--sop-border);
    flex-shrink: 0;
}
.sop-page-header-actions .mud-toggle-group .mud-toggle-item {
    border: 0 !important;
    border-radius: 6px !important;
    padding: 6px 12px !important;
    font-size: 13px !important;
    background: transparent !important;
    color: var(--sop-fg-2) !important;
    transition: background 100ms ease, color 100ms ease;
}
.sop-page-header-actions .mud-toggle-group .mud-toggle-item.mud-toggle-item-selected {
    background: var(--sop-bg-card) !important;
    color: var(--sop-brand) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    font-weight: 600;
}

.sop-crumbs {
    font-size: 12px;
    color: var(--sop-fg-3);
    margin-bottom: 4px;
    letter-spacing: 0.2px;
}

.sop-crumbs .sep { margin: 0 6px; opacity: 0.6; }

.sop-title { font-weight: 700; }

.sop-subtitle {
    color: var(--sop-fg-2);
    max-width: 820px;
    line-height: 1.5;
    margin-top: 4px;
}

.sop-subtitle-mute { color: var(--sop-fg-3); }

.sop-link {
    color: var(--sop-brand);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dashed transparent;
}

.sop-link:hover { border-bottom-color: var(--sop-brand); }

.sop-link-sep {
    margin: 0 6px;
    color: var(--sop-fg-3);
}

/* ─── Stat strip 6 cards clickable ─────────────────────────── */
.sop-page .sop-stats {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
    flex-shrink: 0;
}

@media (max-width: 1280px) { .sop-page .sop-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px)  { .sop-page .sop-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px)  { .sop-page .sop-stats { grid-template-columns: 1fr; } }

.sop-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    background: var(--sop-bg-card);
    cursor: pointer;
    transition: box-shadow 140ms ease, border-color 140ms ease, transform 80ms ease;
    text-align: left;
    color: inherit;
    font: inherit;
}

.sop-stat:hover { transform: translateY(-1px); box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.sop-stat.is-active { border-color: currentColor; box-shadow: 0 0 0 3px var(--accent-bg, transparent); }

.sop-stat.stat-brand   { --accent-bg: var(--sop-brand-soft);   color: var(--sop-brand); }
.sop-stat.stat-success { --accent-bg: var(--sop-success-soft); color: var(--sop-success); }
.sop-stat.stat-warning { --accent-bg: var(--sop-warning-soft); color: var(--sop-warning); }
.sop-stat.stat-error   { --accent-bg: var(--sop-error-soft);   color: var(--sop-error); }
.sop-stat.stat-info    { --accent-bg: var(--sop-info-soft);    color: var(--sop-info); }
.sop-stat.stat-neutral { --accent-bg: var(--sop-neutral-soft); color: var(--sop-neutral); }

.sop-stat-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sop-stat-body { flex: 1; min-width: 0; }
.sop-stat-value {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--sop-fg);
}
.sop-stat-label {
    font-size: 13px;
    color: var(--sop-fg-2);
    line-height: 1.3;
    margin-top: 2px;
}
.sop-stat-sub {
    font-size: 11px;
    color: var(--sop-fg-3);
    margin-top: 2px;
}

/* ─── Type tag — icon trong square 36px màu theo loại ─── */
.sop-typetag {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    --tone-bg: var(--sop-brand-soft);
    --tone-fg: var(--sop-brand);
    background: var(--tone-bg);
    color: var(--tone-fg);
}
.sop-typetag.tone-brand   { --tone-bg: var(--sop-brand-soft);   --tone-fg: var(--sop-brand); }
.sop-typetag.tone-info    { --tone-bg: var(--sop-info-soft);    --tone-fg: var(--sop-info); }
.sop-typetag.tone-success { --tone-bg: var(--sop-success-soft); --tone-fg: var(--sop-success); }
.sop-typetag.tone-warning { --tone-bg: var(--sop-warning-soft); --tone-fg: var(--sop-warning); }
.sop-typetag.tone-error   { --tone-bg: var(--sop-error-soft);   --tone-fg: var(--sop-error); }
.sop-typetag-sm {
    width: 24px; height: 24px;
    border-radius: 7px;
}

/* ─── Shell: filter sidebar + main — fit remaining viewport, scroll bên trong ─── */
.sop-shell {
    display: grid;
    grid-template-columns: 288px 1fr;
    gap: 16px;
    flex: 1;
    min-height: 0;       /* CRITICAL — cho phép grid children shrink trong flex */
}
@media (max-width: 1024px) {
    .sop-shell { grid-template-columns: 1fr; flex: none; min-height: 0; }
}

.sop-filter {
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    overflow-y: auto;
    height: 100%;
    min-height: 0;
}
@media (max-width: 1024px) {
    .sop-filter { height: auto; max-height: 480px; }
}

.sop-filter-inner { display: flex; flex-direction: column; }
.sop-filter-group {
    border-bottom: 1px solid var(--sop-border);
    padding: 8px 0;
}
.sop-filter-group:last-child { border-bottom: 0; }
/* Label group — button collapse/expand, canh lề trái */
.sop-filter-label {
    display: flex;
    align-items: center;
    justify-content: flex-start;  /* left-align children */
    gap: 8px;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg-2);
    background: transparent;
    border: 0;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    transition: background 100ms ease;
}
.sop-filter-label > span:first-of-type {
    /* Tiêu đề group: chiếm phần lớn, đẩy hint sang phải */
    flex: 1;
    text-align: left;
}
.sop-filter-label:hover { background: var(--sop-bg-soft); }
.sop-filter-label-hint {
    margin-left: auto;
    font-size: 10px;
    font-weight: 500;
    text-transform: none;
    color: var(--sop-fg-3);
}
.sop-filter-chev {
    transition: transform 140ms ease;
    color: var(--sop-fg-3);
}
.sop-filter-group.is-collapsed .sop-filter-chev {
    transform: rotate(-90deg);
}
.sop-filter-group-body { display: flex; flex-direction: column; gap: 2px; padding: 4px 0; }
.sop-filter-scroll { max-height: 320px; overflow-y: auto; }

.sop-filter-item,
.sop-filter-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 0;
    background: transparent;
    cursor: pointer;
    color: var(--sop-fg);
    font: inherit;
    text-align: left;
    transition: background 100ms ease;
    width: 100%;
    min-height: 36px;
}
.sop-filter-item:hover,
.sop-filter-row:hover { background: var(--sop-bg-soft); }
.sop-filter-item.is-active,
.sop-filter-row.is-active {
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    font-weight: 600;
}
.sop-filter-icon { color: var(--sop-fg-2); display: flex; align-items: center; justify-content: center; }
.sop-filter-text {
    flex: 1;
    font-size: 13px;
    line-height: 1.3;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.sop-filter-sub {
    font-size: 11px;
    color: var(--sop-fg-3);
    font-weight: 400;
    margin-top: 1px;
}
.sop-filter-count {
    min-width: 24px;
    padding: 0 6px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--sop-fg-2);
    background: var(--sop-bg-soft);
    border-radius: 9px;
}
.sop-filter-count.tone-warning { background: var(--sop-warning-soft); color: var(--sop-warning); }
.sop-filter-count.tone-info    { background: var(--sop-info-soft);    color: var(--sop-info); }
.sop-filter-count.tone-success { background: var(--sop-success-soft); color: var(--sop-success); }
.sop-filter-count.tone-error   { background: var(--sop-error-soft);   color: var(--sop-error); }

.sop-filter-check {
    width: 16px; height: 16px;
    border: 1.5px solid var(--sop-border);
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sop-filter-check.on { border-color: var(--sop-brand); background: var(--sop-brand); color: #fff; }

.sop-filter-radio {
    width: 16px; height: 16px;
    border: 1.5px solid var(--sop-border);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sop-filter-radio.on { border-color: var(--sop-brand); }
.sop-filter-radio-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--sop-brand);
}

.sop-filter-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}
.sop-filter-dot.tone-success { background: var(--sop-success); }
.sop-filter-dot.tone-warning { background: var(--sop-warning); }
.sop-filter-dot.tone-error   { background: var(--sop-error); }
.sop-filter-dot.tone-info    { background: var(--sop-info); }

.sop-filter-foot { padding: 12px; border-top: 1px solid var(--sop-border); }

/* ─── Status chip flex-wrap (tiết kiệm chiều cao) ─── */
.sop-filter-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 12px 10px 12px;
}

.sop-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 14px;
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    color: var(--sop-fg);
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: background 100ms ease, border-color 100ms ease, color 100ms ease;
    line-height: 1.3;
}

.sop-filter-chip:hover {
    background: var(--sop-bg-card);
    border-color: var(--sop-fg-3);
}

.sop-filter-chip.is-active {
    background: var(--sop-brand-soft);
    border-color: var(--sop-brand);
    color: var(--sop-brand);
    font-weight: 600;
}
.sop-filter-chip.is-active.tone-success { background: var(--sop-success-soft); border-color: var(--sop-success); color: var(--sop-success); }
.sop-filter-chip.is-active.tone-warning { background: var(--sop-warning-soft); border-color: var(--sop-warning); color: var(--sop-warning); }
.sop-filter-chip.is-active.tone-error   { background: var(--sop-error-soft);   border-color: var(--sop-error);   color: var(--sop-error); }
.sop-filter-chip.is-active.tone-info    { background: var(--sop-info-soft);    border-color: var(--sop-info);    color: var(--sop-info); }

.sop-filter-chip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sop-fg-3);
    flex-shrink: 0;
}
.sop-filter-chip-dot.tone-success { background: var(--sop-success); }
.sop-filter-chip-dot.tone-warning { background: var(--sop-warning); }
.sop-filter-chip-dot.tone-error   { background: var(--sop-error); }
.sop-filter-chip-dot.tone-info    { background: var(--sop-info); }

.sop-filter-chip-label {
    white-space: nowrap;
}

.sop-filter-chip-count {
    background: rgba(0, 0, 0, 0.06);
    color: inherit;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
    min-width: 18px;
    text-align: center;
}
.sop-filter-chip.is-active .sop-filter-chip-count {
    background: rgba(255, 255, 255, 0.6);
}

/* ─── Main: toolbar + list + pagination — list-scroll fit remaining ─── */
.sop-main {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    min-height: 0;
    overflow: hidden;    /* cho phép list-scroll inside chiếm chính xác phần dư */
}
@media (max-width: 1024px) { .sop-main { overflow: visible; } }

.sop-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    flex-shrink: 0;
}

.sop-toolbar-info {
    font-size: 13px;
    color: var(--sop-fg-2);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Search wrapper — max-width 460px, shrink min 220px khi viewport hẹp */
.sop-toolbar-search {
    flex: 0 1 460px;
    min-width: 220px;
}
@media (max-width: 720px) {
    .sop-toolbar-search { flex: 1 1 100%; max-width: none; }
}

/* List scroll — chiếm phần dư của main, scroll riêng (giống design) */
.sop-list-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 2px;     /* tránh scrollbar che border-right card */
}
@media (max-width: 1024px) {
    .sop-list-scroll { flex: none; min-height: 200px; overflow: visible; }
}

/* ─── Tree view ─────────────────────────────────────────────── */
.sop-tree { display: flex; flex-direction: column; gap: 12px; }

.sop-tree-card {
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}
.sop-tree-card.is-active {
    border-color: var(--sop-brand);
    box-shadow: 0 0 0 3px var(--sop-brand-soft);
}

.sop-tree-card-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
}
.sop-tree-card-head:hover { background: var(--mud-palette-action-default-hover, rgba(0,0,0,0.04)); }

.sop-tree-card-body { flex: 1; min-width: 0; }

.sop-tree-card-row1 {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
    margin-bottom: 6px;
    min-width: 0;
}
.sop-tree-card-row1 .mud-chip { flex-shrink: 0; }

.sop-meta-pill {
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 6px;
    padding: 2px 8px !important;
    font-size: 11px;
    color: var(--sop-fg) !important;
}
.sop-meta-pill strong {
    color: var(--sop-brand);
    margin-right: 2px;
}

.sop-tree-card-code { font-size: 14px; color: var(--sop-fg); }

.sop-tree-card-title {
    font-size: 14px;
    line-height: 1.35;
    color: var(--sop-fg);
    margin-bottom: 4px;
}

.sop-tree-card-purpose {
    font-size: 12px;
    font-style: italic;
    color: var(--sop-fg-2);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.sop-tree-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--sop-fg-2);
}

.sop-status-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--sop-fg-2);
}
.sop-status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--sop-fg-3);
}
.sop-status-dot.tone-success { background: var(--sop-success); }
.sop-status-dot.tone-warning { background: var(--sop-warning); }
.sop-status-dot.tone-error   { background: var(--sop-error); }
.sop-status-dot.tone-info    { background: var(--sop-info); }
.sop-status-line-faint { color: var(--sop-fg-3); font-weight: 400; }

.sop-meta-divider {
    width: 1px;
    height: 14px;
    background: var(--sop-border);
    margin: 0 4px;
}

.sop-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.sop-tree-chev {
    transition: transform 160ms ease;
    color: var(--sop-fg-3);
}
.sop-tree-chev.is-open { transform: rotate(180deg); color: var(--sop-brand); }

.sop-tree-card-actions { display: flex; align-items: center; gap: 2px; }

.sop-tree-card-children {
    border-top: 1px solid var(--sop-border);
    background: var(--sop-bg-soft);
    padding: 10px 16px;
}

/* ─── Forms table trong tree expanded — raw HTML ─── */
.sop-forms-table-wrap {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--sop-border);
}
.sop-forms-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--sop-bg-card);
    font-size: 13px;
    table-layout: fixed;
}
.sop-forms-table thead { background: var(--sop-bg-soft); }
.sop-forms-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg-3);
    border-bottom: 1px solid var(--sop-border);
}
.sop-forms-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sop-border);
    color: var(--sop-fg);
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sop-forms-table tbody tr {
    cursor: pointer;
    transition: background 80ms ease;
}
.sop-forms-table tbody tr:hover { background: var(--sop-bg-soft); }
.sop-forms-table tbody tr.is-active-row {
    background: var(--sop-brand-soft);
    box-shadow: inset 3px 0 0 var(--sop-brand);
}
.sop-forms-table tbody tr:last-child td { border-bottom: 0; }
.sop-th-right { text-align: right; }
.sop-muted-cell { color: var(--sop-fg-3); font-size: 12px; }

.sop-tree-section-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--sop-fg-2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.sop-tree-empty-forms {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 16px;
    background: var(--sop-bg-card);
    border: 1px dashed var(--sop-border);
    border-radius: 8px;
    color: var(--sop-fg-2);
}

.sop-form-code-cell {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.sop-form-code { font-weight: 600; }
.sop-form-title-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sop-form-title { color: var(--sop-fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sop-form-sub {
    font-size: 11px;
    color: var(--sop-fg-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sop-owner-cell {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sop-owner-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ─── Flat table — 8 cols ─── */
.sop-flat-wrap {
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    overflow-x: auto;
}
.sop-flat-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    table-layout: fixed;
}
.sop-flat-table thead { background: var(--sop-bg-soft); }
.sop-flat-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg-3);
    border-bottom: 1px solid var(--sop-border);
}
.sop-flat-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sop-border);
    color: var(--sop-fg);
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sop-flat-table tbody tr { cursor: pointer; transition: background 80ms ease; }
.sop-flat-table tbody tr:hover { background: var(--sop-bg-soft); }
.sop-flat-table tbody tr.sop-flat-child { background: rgba(0, 0, 0, 0.015); }
.sop-flat-table tbody tr.sop-flat-child:hover { background: var(--sop-bg-soft); }
.sop-flat-table tbody tr.is-active-row {
    background: var(--sop-brand-soft);
    box-shadow: inset 3px 0 0 var(--sop-brand);
}
.sop-flat-table tbody tr:last-child td { border-bottom: 0; }

.sop-flat-code-cell {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.sop-flat-elbow {
    color: var(--sop-fg-3);
    font-size: 14px;
    margin-right: 2px;
    line-height: 1;
}

/* ─── Badge raw HTML — dot prefix giống design ─── */
.sop-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.4;
}
.sop-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.8;
}
.sop-badge-brand   { background: var(--sop-brand-soft);   color: var(--sop-brand); }
.sop-badge-success { background: var(--sop-success-soft); color: var(--sop-success); }
.sop-badge-warning { background: var(--sop-warning-soft); color: var(--sop-warning); }
.sop-badge-error   { background: var(--sop-error-soft);   color: var(--sop-error); }
.sop-badge-info    { background: var(--sop-info-soft);    color: var(--sop-info); }
.sop-badge-neutral { background: var(--sop-neutral-soft); color: var(--sop-neutral); }

/* ─── Empty state ───────────────────────────────────────────── */
.sop-empty {
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    padding: 72px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.sop-empty-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

/* ─── Pagination — luôn ở đáy main, không scroll cùng list ─── */
.sop-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 12px;
    flex-shrink: 0;
}
.sop-pagination-info { font-size: 13px; color: var(--sop-fg-2); }

/* ──────────────────────────────────────────────────────────────────
   DRAWER — portal ra body nên BẮT BUỘC global CSS (không scope)
   ────────────────────────────────────────────────────────────────── */

.sop-detail-drawer { background: var(--sop-bg-card); display: flex; flex-direction: column; }

.sop-drawer-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--sop-border);
}

.sop-drawer-head .sop-typetag {
    width: 44px; height: 44px;
    border-radius: 12px;
}

.sop-drawer-head-body { flex: 1; min-width: 0; }

.sop-drawer-head-meta {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg-3);
    margin-bottom: 2px;
}

.sop-drawer-head-chips {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.sop-drawer-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.sop-drawer-stat-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

.sop-drawer-stat {
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    padding: 10px 12px;
}

.sop-drawer-stat-label {
    font-size: 11px;
    color: var(--sop-fg-3);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 4px;
}

.sop-drawer-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--sop-fg);
    line-height: 1.3;
    word-break: break-word;
}

.sop-drawer-stat-faint {
    font-size: 10px;
    color: var(--sop-fg-3);
    font-weight: 400;
    text-transform: none;
}

.sop-drawer-arrow {
    color: var(--sop-fg-3);
    margin: 0 4px;
}

.sop-drawer-section {
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

.sop-drawer-section header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg-2);
    margin-bottom: 10px;
}

.sop-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
}
.sop-info-grid-3 { grid-template-columns: 1fr 1fr 1fr; }

.sop-info-cell { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sop-info-cell-full { grid-column: 1 / -1; }

.sop-info-label {
    font-size: 11px;
    color: var(--sop-fg-3);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.sop-info-value {
    font-size: 13px;
    color: var(--sop-fg);
    line-height: 1.4;
    word-break: break-word;
}

.sop-validity-note {
    background: var(--sop-warning-soft);
    border-left: 3px solid var(--sop-warning);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--sop-fg-2);
    margin-bottom: 10px;
}

.sop-accordion-head {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 8px;
    cursor: pointer;
    font: inherit;
    color: var(--sop-fg);
    margin-top: 10px;
    transition: background 100ms ease;
}
.sop-accordion-head:hover { background: var(--sop-bg-soft); }
.sop-accordion-toplevel { margin-top: 12px; }

.sop-mono-pill {
    font-family: ui-monospace, 'Consolas', monospace;
    font-size: 11px;
    background: var(--sop-bg-soft);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    color: var(--sop-fg-2);
}

.sop-version-list { list-style: none; padding: 0; margin: 8px 0 0 0; }
.sop-version {
    display: flex;
    gap: 12px;
    padding: 10px 12px;
    border-left: 2px solid var(--sop-border);
    margin-left: 8px;
    position: relative;
}
.sop-version.is-current {
    border-left-color: var(--sop-success);
    background: var(--sop-success-soft);
    border-radius: 0 8px 8px 0;
}
.sop-version-dot {
    position: absolute;
    left: -7px;
    top: 14px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--sop-fg-3);
    border: 2px solid var(--sop-bg-card);
}
.sop-version.is-current .sop-version-dot { background: var(--sop-success); }
.sop-version-row1 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sop-version-note { font-size: 13px; color: var(--sop-fg); margin-top: 4px; }
.sop-version-by { font-size: 11px; color: var(--sop-fg-3); margin-top: 2px; }

/* Action icon mờ — secondary (vd "Xem nội dung file") để nhường focus cho action chính
   "Xem chi tiết". Dùng class trên MudIconButton trong tree card / flat row. */
.sop-action-muted {
    color: var(--sop-fg-3) !important;
    opacity: 0.7;
}
.sop-action-muted:hover {
    color: var(--sop-fg-2) !important;
    opacity: 1;
}

/* Progress chip "Bước X/Y" cho row PENDING_* — Persona 1 (submitter theo dõi tiến độ). */
.sop-step-progress {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--sop-info-soft);
    color: var(--sop-info);
    line-height: 1.6;
}
.sop-step-progress > .mud-icon-root { font-size: 13px; }

/* ──────────────────────────────────────────────────────────────────────
   Reject banner (drawer — Persona 1 submitter): hiện lý do bị từ chối
   lần gần nhất khi doc về DRAFT. Nội dung tối thiểu: ai phản hồi, khi nào,
   nhận xét nguyên văn, nút Sửa.
   ────────────────────────────────────────────────────────────────────── */
.sop-reject-banner {
    margin: 12px;
    padding: 12px 14px;
    border-left: 4px solid var(--sop-error);
    background: var(--sop-error-soft);
    border-radius: 0 8px 8px 0;
    color: var(--sop-fg);
}
.sop-reject-banner-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}
.sop-reject-banner-head > .mud-icon-root { color: var(--sop-error); flex-shrink: 0; }
.sop-reject-banner-title { font-weight: 700; font-size: 14px; flex: 1; }
.sop-reject-banner-time  { font-size: 11px; color: var(--sop-fg-3); }
.sop-reject-banner-by    { font-size: 12px; color: var(--sop-fg-2); margin-bottom: 6px; }
.sop-reject-banner-note {
    margin: 8px 0;
    padding: 8px 12px;
    background: var(--sop-bg-card);
    border-left: 2px solid var(--sop-fg-3);
    border-radius: 0 4px 4px 0;
    font-style: italic;
    font-size: 13px;
    line-height: 1.45;
    color: var(--sop-fg);
}
.sop-reject-banner-actions { display: flex; justify-content: flex-end; margin-top: 6px; }

/* ──────────────────────────────────────────────────────────────────────
   Approval timeline (drawer section "Quy trình duyệt") — render rows từ
   GET /TaiLieu/{id}/approval-flow. Pattern: quote header + ordered list
   với dot tone theo trạng thái duyệt.
   ────────────────────────────────────────────────────────────────────── */
.sop-approval-submit-note {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--sop-brand-soft);
    border-left: 3px solid var(--sop-brand);
    margin: 8px 0;
    color: var(--sop-fg);
}
.sop-approval-submit-note > .mud-icon-root { color: var(--sop-brand); flex-shrink: 0; margin-top: 1px; }
.sop-approval-submit-note-by   { font-size: 11px; color: var(--sop-fg-3); margin-bottom: 2px; }
.sop-approval-submit-note-text { font-size: 13px; color: var(--sop-fg); line-height: 1.4; }

/* Step group header — "Bước N · Đồng thuận · 1 trong nhóm đủ" (migration 051). */
.sop-approval-step-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px 4px 12px;
    margin-top: 4px;
}
.sop-approval-step-header-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--sop-fg-2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.sop-approval-step-header-role {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.sop-approval-step-header-role.tone-brand { background: var(--sop-brand-soft); color: var(--sop-brand); }
.sop-approval-step-header-role.tone-info  { background: var(--sop-info-soft);  color: var(--sop-info); }
.sop-approval-step-header-logic { font-size: 11px; color: var(--sop-fg-3); }

.sop-approval-timeline { list-style: none; padding: 0; margin: 8px 0 0 0; }
.sop-approval-timeline-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-left: 2px solid var(--sop-border);
    margin-left: 8px;
    position: relative;
}
.sop-approval-timeline-item.tone-success { border-left-color: var(--sop-success); }
.sop-approval-timeline-item.tone-error   { border-left-color: var(--sop-error); }
.sop-approval-timeline-item.tone-warning { border-left-color: var(--sop-warning); }
.sop-approval-timeline-item.tone-muted   { border-left-color: var(--sop-border); opacity: 0.65; }
.sop-approval-timeline-icon {
    position: absolute;
    left: -11px;
    top: 11px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--sop-bg-card);
    border: 2px solid var(--sop-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}
.sop-approval-timeline-item.tone-success .sop-approval-timeline-icon > .mud-icon-root { color: var(--sop-success); }
.sop-approval-timeline-item.tone-error   .sop-approval-timeline-icon > .mud-icon-root { color: var(--sop-error); }
.sop-approval-timeline-item.tone-warning .sop-approval-timeline-icon > .mud-icon-root { color: var(--sop-warning); }
.sop-approval-timeline-item.tone-muted   .sop-approval-timeline-icon > .mud-icon-root { color: var(--sop-fg-3); }
.sop-approval-timeline-body { flex: 1; min-width: 0; }
.sop-approval-timeline-row1 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sop-approval-timeline-name { font-weight: 600; font-size: 13px; color: var(--sop-fg); }
.sop-approval-timeline-role {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.sop-approval-timeline-role.tone-brand { background: var(--sop-brand-soft); color: var(--sop-brand); }
.sop-approval-timeline-role.tone-info  { background: var(--sop-info-soft);  color: var(--sop-info); }
.sop-approval-timeline-status {
    font-size: 11px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 8px;
    margin-left: auto;
}
.sop-approval-timeline-status.tone-success { background: var(--sop-success-soft); color: var(--sop-success); }
.sop-approval-timeline-status.tone-error   { background: var(--sop-error-soft);   color: var(--sop-error); }
.sop-approval-timeline-status.tone-warning { background: var(--sop-warning-soft); color: var(--sop-warning); }
.sop-approval-timeline-status.tone-muted   { background: var(--sop-bg-soft);      color: var(--sop-fg-3); }
.sop-approval-timeline-time { font-size: 11px; color: var(--sop-fg-3); margin-top: 2px; }
.sop-approval-timeline-note { font-size: 13px; color: var(--sop-fg); margin-top: 4px; line-height: 1.4; }

.sop-file-card {
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--sop-bg-card);
}

.sop-file-card-badge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    border-bottom: 1px solid var(--sop-border);
}

.sop-file-card-pill {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sop-file-card-body {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
}

.sop-file-card-actions { display: flex; gap: 6px; }

.sop-file-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--sop-fg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sop-file-meta {
    font-size: 11px;
    color: var(--sop-fg-3);
    margin-top: 2px;
}

.sop-drawer-empty-forms {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px;
    background: var(--sop-bg-card);
    border: 1px dashed var(--sop-border);
    border-radius: 8px;
}

.sop-drawer-forms-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.sop-drawer-forms-table th {
    text-align: left;
    padding: 6px 8px;
    color: var(--sop-fg-3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 10px;
    border-bottom: 1px solid var(--sop-border);
}
.sop-drawer-forms-table td {
    padding: 8px;
    border-bottom: 1px solid var(--sop-border);
    color: var(--sop-fg);
}
.sop-drawer-forms-table tr:last-child td { border-bottom: 0; }

.sop-control-body { padding: 10px 4px 0 4px; }

.sop-drawer-foot {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--sop-border);
    flex-wrap: wrap;
}

/* Utilities */
.sop-mono { font-family: ui-monospace, 'Consolas', monospace; font-size: 12px; }
.sop-fg-3 { color: var(--sop-fg-3); }

/* MudDrawer body — đảm bảo nội dung Sop drawer chiếm full chiều cao */
.sop-detail-drawer .mud-drawer-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* ──────────────────────────────────────────────────────────────────
   Row action menu (MudMenu) — match design: icon uniform 16px,
   neutral grey trừ destructive (is-danger).
   ────────────────────────────────────────────────────────────────── */

.sop-menu-list {
    padding: 4px 0 !important;
    min-width: 200px;
}

.sop-menu-list .sop-menu-item {
    padding: 6px 14px;
    min-height: 32px;
    font-size: 13px;
    color: var(--mud-palette-text-primary, #1a1a1a);
}

/* Uniform icon size — design dùng 14px, Material small ~18px */
.sop-menu-list .sop-menu-item .mud-icon-root {
    font-size: 16px !important;
    width: 16px !important;
    height: 16px !important;
    color: var(--mud-palette-text-secondary, #555);  /* neutral grey */
}

/* Destructive item: text + icon đều red */
.sop-menu-list .sop-menu-item.is-danger {
    color: var(--mud-palette-error, #c62828);
}
.sop-menu-list .sop-menu-item.is-danger .mud-icon-root {
    color: var(--mud-palette-error, #c62828) !important;
}

/* Hover */
.sop-menu-list .sop-menu-item:hover {
    background: var(--mud-palette-action-default-hover, rgba(0, 0, 0, 0.04));
}
.sop-menu-list .sop-menu-item.is-danger:hover {
    background: rgba(198, 40, 40, 0.08);
}

/* ──────────────────────────────────────────────────────────────────
   SopAddEditDialog — modal thêm/sửa SOP theo design AddSopModal
   ────────────────────────────────────────────────────────────────── */

.sop-add-dialog {
    --sop-brand:        var(--mud-palette-primary, #0a4174);
    --sop-brand-soft:   var(--mud-palette-primary-lighten, #e8f0fb);
    --sop-success:      var(--mud-palette-success, #2e7d32);
    --sop-warning:      var(--mud-palette-warning, #ed6c02);
    --sop-warning-soft: rgba(237, 108, 2, 0.10);
    --sop-error:        var(--mud-palette-error, #c62828);
    --sop-border:       var(--mud-palette-lines-default, #e0e0e0);
    --sop-bg-card:      var(--mud-palette-surface, #fff);
    --sop-bg-soft:      var(--mud-palette-background-grey, #f5f5f5);
    --sop-fg:           var(--mud-palette-text-primary, #1a1a1a);
    --sop-fg-2:         var(--mud-palette-text-secondary, #555);
    --sop-fg-3:         var(--mud-palette-text-disabled, #999);
}
.sop-add-dialog .mud-dialog {
    max-width: 680px !important;
    width: calc(100vw - 32px);
}

/* Header */
.sop-modal-head {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sop-modal-head-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sop-modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--sop-fg);
    margin: 0;
    line-height: 1.2;
}
.sop-modal-sub {
    font-size: 12px;
    color: var(--sop-fg-3);
    margin-top: 2px;
}
.sop-modal-sub code {
    font-family: ui-monospace, 'Consolas', monospace;
    background: var(--sop-bg-soft);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--sop-fg);
}

/* Section — numbered card */
.sop-form-section {
    margin-bottom: 18px;
}
.sop-form-section-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.sop-form-section-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--sop-brand);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}
.sop-form-section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--sop-fg);
}

/* Field */
.sop-field {
    margin-bottom: 12px;
    min-width: 0;
}
.sop-field-full {
    grid-column: 1 / -1;
}
.sop-field-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--sop-fg-2);
    margin-bottom: 4px;
}
.sop-required {
    color: var(--sop-error);
    margin-left: 2px;
}
.sop-field-hint {
    font-size: 11px;
    color: var(--sop-fg-3);
    margin-top: 4px;
    line-height: 1.4;
}

/* Segmented control (Loại + Áp dụng cho) */
.sop-seg {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    padding: 4px;
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
}
.sop-seg-2 { grid-template-columns: 1fr 1fr; }

.sop-seg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    border: 0;
    background: transparent;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    color: var(--sop-fg-2);
    font-family: inherit;
    transition: background 100ms ease, color 100ms ease, box-shadow 100ms ease;
    line-height: 1.2;
}
.sop-seg-btn:hover {
    background: var(--sop-bg-card);
    color: var(--sop-fg);
}
.sop-seg-btn.active {
    background: var(--sop-bg-card);
    color: var(--sop-brand);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Multi-dept picker */
.sop-dept-multi {
    margin-top: 8px;
    padding: 10px;
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}
.sop-dept-multi-empty {
    font-size: 12px;
    color: var(--sop-fg-3);
    flex: 1;
}
.sop-dept-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    border: 1px solid var(--sop-brand);
    border-radius: 14px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}
.sop-dept-chip:hover { background: var(--sop-bg-card); }
.sop-dept-add {
    flex: 1 1 200px;
    min-width: 150px;
}

/* Advanced section accordion preview */
.sop-adv-preview {
    font-size: 11px;
    color: var(--sop-fg-3);
    font-style: italic;
    margin-right: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
}

.sop-advanced-body {
    padding: 12px;
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 0 0 8px 8px;
    border-top: 0;
    margin-top: -1px;
    margin-bottom: 8px;
}

/* Hint banner cuối modal */
.sop-modal-banner {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: var(--sop-brand-soft);
    border-left: 3px solid var(--sop-brand);
    border-radius: 6px;
    font-size: 12px;
    color: var(--sop-fg);
    line-height: 1.5;
    margin-top: 12px;
}
.sop-modal-banner strong { color: var(--sop-brand); }

/* Responsive: stack segmented control khi quá hẹp */
@media (max-width: 560px) {
    .sop-seg { grid-template-columns: repeat(2, 1fr); }
    .sop-seg-btn { font-size: 11px; padding: 6px 8px; }
}

/* ──────────────────────────────────────────────────────────────────
   SopSendApprovalDialog — modal Gửi duyệt
   ────────────────────────────────────────────────────────────────── */

.sop-approval-dialog {
    --sop-brand:        var(--mud-palette-primary, #0a4174);
    --sop-brand-soft:   var(--mud-palette-primary-lighten, #e8f0fb);
    --sop-success:      var(--mud-palette-success, #2e7d32);
    --sop-success-soft: rgba(46, 125, 50, 0.10);
    --sop-warning:      var(--mud-palette-warning, #ed6c02);
    --sop-warning-soft: rgba(237, 108, 2, 0.10);
    --sop-info:         var(--mud-palette-info, #0277bd);
    --sop-info-soft:    rgba(2, 119, 189, 0.10);
    --sop-error:        var(--mud-palette-error, #c62828);
    --sop-border:       var(--mud-palette-lines-default, #e0e0e0);
    --sop-bg-card:      var(--mud-palette-surface, #fff);
    --sop-bg-soft:      var(--mud-palette-background-grey, #f5f5f5);
    --sop-fg:           var(--mud-palette-text-primary, #1a1a1a);
    --sop-fg-2:         var(--mud-palette-text-secondary, #555);
    --sop-fg-3:         var(--mud-palette-text-disabled, #999);
}
.sop-approval-dialog .mud-dialog {
    max-width: 760px !important;
    width: calc(100vw - 32px);
}

/* Preset picker — 4 cards grid */
.sop-approval-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
@media (max-width: 720px) {
    .sop-approval-presets { grid-template-columns: repeat(2, 1fr); }
}

.sop-approval-preset-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 100ms, box-shadow 100ms;
    text-align: left;
}
.sop-approval-preset-card:hover {
    border-color: var(--sop-brand);
}
.sop-approval-preset-card.active {
    border-color: var(--sop-brand);
    box-shadow: 0 0 0 2px var(--sop-brand-soft);
    background: var(--sop-brand-soft);
}
.sop-approval-preset-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}
.sop-approval-preset-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--sop-fg);
}
.sop-approval-preset-sub {
    font-size: 11px;
    color: var(--sop-fg-3);
    line-height: 1.3;
}

/* Flow visualization — nodes dàn ngang full width của container */
.sop-approval-flow-viz {
    display: flex;
    align-items: stretch;     /* node cùng height */
    gap: 8px;
    padding: 12px;
    background: var(--sop-bg-soft);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    overflow-x: auto;
}
.sop-approval-flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 8px;
    min-width: 140px;
    flex: 1 1 0;              /* node chia đều phần dư */
    text-align: center;
}
.sop-approval-flow-node.is-filled {
    border-color: var(--sop-success);
    background: var(--sop-success-soft);
}
.sop-approval-flow-node.is-final.is-filled {
    border-color: var(--sop-brand);
    background: var(--sop-brand-soft);
}
.sop-approval-flow-node-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--sop-fg-3);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}
.sop-approval-flow-node.is-filled .sop-approval-flow-node-num {
    background: var(--sop-success);
}
.sop-approval-flow-node.is-final.is-filled .sop-approval-flow-node-num {
    background: var(--sop-brand);
}
.sop-approval-flow-node-icon {
    color: var(--sop-fg-2);
}
.sop-approval-flow-node-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--sop-fg);
}
.sop-approval-flow-node-status {
    font-size: 11px;
    color: var(--sop-fg-3);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.sop-approval-flow-node.is-filled .sop-approval-flow-node-status {
    color: var(--sop-success);
    font-weight: 600;
}
.sop-approval-flow-arrow {
    color: var(--sop-fg-3);
    font-size: 18px;
    font-weight: 600;
    flex: 0 0 auto;           /* arrow giữ width tự nhiên, không grow */
    align-self: center;
}

/* Step card builder */
.sop-approval-step-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    margin-bottom: 10px;
}
.sop-approval-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.sop-approval-step-body {
    flex: 1;
    min-width: 0;
}
.sop-approval-step-row1 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.sop-approval-step-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--sop-fg);
}
.sop-approval-step-kind {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}
.sop-approval-step-kind.tone-brand {
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
}
.sop-approval-step-kind.tone-info {
    background: var(--sop-info-soft);
    color: var(--sop-info);
}
.sop-approval-step-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sop-approval-step-controls > .flex-1,
.sop-approval-step-controls .mud-input-control {
    flex: 1;
}
.sop-approval-step-warn {
    margin-top: 8px;
    padding: 8px 10px;
    background: var(--sop-warning-soft);
    border-left: 3px solid var(--sop-warning);
    border-radius: 4px;
    font-size: 12px;
    color: var(--sop-fg-2);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Custom mode: toolbar (up/down/delete) + editable label input */
.sop-approval-step-toolbar {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}
.sop-approval-step-tbtn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--sop-border);
    background: var(--sop-bg-card);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--sop-fg-2);
    transition: background 100ms, border-color 100ms;
}
.sop-approval-step-tbtn:hover:not(:disabled) {
    background: var(--sop-bg-soft);
    border-color: var(--sop-fg-3);
}
.sop-approval-step-tbtn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.sop-approval-step-tbtn.is-danger { color: var(--sop-error); }
.sop-approval-step-tbtn.is-danger:hover:not(:disabled) {
    background: var(--sop-error-soft);
    border-color: var(--sop-error);
}

.sop-approval-step-label-input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--sop-border);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--sop-fg);
    background: var(--sop-bg-card);
    font-family: inherit;
}
.sop-approval-step-label-input:focus {
    outline: 0;
    border-color: var(--sop-brand);
    box-shadow: 0 0 0 2px var(--sop-brand-soft);
}

/* Steps controls flex spacing */
.sop-approval-step-controls > .mud-input-control,
.sop-approval-step-controls .flex-1 { flex: 1; }

/* Add-step button (custom mode) */
.sop-approval-add-step {
    width: 100%;
    padding: 10px;
    border: 1px dashed var(--sop-border);
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    color: var(--sop-fg-2);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 100ms, border-color 100ms, color 100ms;
}
.sop-approval-add-step:hover {
    background: var(--sop-brand-soft);
    border-color: var(--sop-brand);
    color: var(--sop-brand);
    border-style: solid;
}

/* Steps container */
.sop-approval-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ─── Approver picker custom dropdown (match design ApproverPickerPanel) ─── */
.sop-approval-picker {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.sop-approval-picker-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 12px;
    min-height: 40px;
    border: 1px solid var(--sop-border);
    border-radius: 8px;
    background: var(--sop-bg-card);
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: border-color 100ms;
    flex-wrap: wrap;
}
.sop-approval-picker-trigger:hover {
    border-color: var(--sop-fg-3);
}

/* Backdrop invisible full-viewport — click ngoài panel sẽ đóng (click-outside UX). */
.sop-approval-picker-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1299;
    background: transparent;
    cursor: default;
}

.sop-approval-picker-pop {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    z-index: 1300;
    max-height: 320px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sop-approval-picker-search {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--sop-border);
    flex-shrink: 0;
}
.sop-approval-picker-search input {
    flex: 1;
    border: 0;
    outline: 0;
    font-size: 13px;
    background: transparent;
    color: var(--sop-fg);
    font-family: inherit;
}
.sop-approval-picker-search input::placeholder {
    color: var(--sop-fg-3);
}

.sop-approval-picker-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.sop-approval-picker-row {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background 80ms;
}
.sop-approval-picker-row:hover:not(:disabled) {
    background: var(--sop-bg-soft);
}
.sop-approval-picker-row.on {
    background: var(--sop-brand-soft);
}
.sop-approval-picker-row.on:hover {
    background: var(--sop-brand-soft);
    filter: brightness(0.95);
}
.sop-approval-picker-row.is-disabled,
.sop-approval-picker-row:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sop-approval-picker-name {
    font-size: 13px;
    color: var(--sop-fg);
    font-weight: 500;
    line-height: 1.3;
}
.sop-approval-picker-meta {
    font-size: 11px;
    color: var(--sop-fg-3);
    margin-top: 2px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sop-approval-picker-inactive {
    font-size: 10px;
    color: var(--sop-warning);
    background: var(--sop-warning-soft);
    padding: 1px 6px;
    border-radius: 6px;
    margin-left: 6px;
    font-weight: 500;
}
/* Conflict hint: người đã được chọn ở step khác. */
.sop-approval-picker-conflict {
    font-size: 10px;
    color: var(--sop-info);
    background: var(--sop-info-soft);
    padding: 1px 6px;
    border-radius: 6px;
    margin-left: 6px;
    font-weight: 500;
}
.sop-approval-picker-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--sop-fg-3);
    font-size: 13px;
}

/* Chip "+N" cho overflow danh sách selected */
.sop-approval-chip-more {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 11px;
    color: var(--sop-fg-2);
    background: var(--sop-bg-soft);
    border-radius: 10px;
    font-weight: 600;
}

/* Disabled channel tile (Zalo OA) */
.sop-approval-channel.is-disabled,
.sop-approval-channel:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.sop-approval-channel.is-disabled:hover {
    border-color: var(--sop-border);
    background: var(--sop-bg-card);
}

/* "Lưu thành mẫu" inline label cuối summary */
.sop-approval-summary-tpl {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    flex-shrink: 0;
}

/* Selected chips trong step (consent multi) */
.sop-approval-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.sop-approval-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px 4px 4px;
    background: var(--sop-brand-soft);
    color: var(--sop-brand);
    border: 1px solid var(--sop-brand);
    border-radius: 14px;
    font-size: 12px;
    font-weight: 500;
}
.sop-approval-chip-name {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sop-approval-chip-x {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
}
.sop-approval-chip-x:hover { background: rgba(0, 0, 0, 0.2); }

/* Channels tiles */
.sop-approval-channels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
@media (max-width: 720px) {
    .sop-approval-channels { grid-template-columns: 1fr; }
}
.sop-approval-channel {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: var(--sop-bg-card);
    border: 1px solid var(--sop-border);
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 100ms;
    text-align: left;
}
.sop-approval-channel:hover {
    border-color: var(--sop-brand);
}
.sop-approval-channel.on {
    border-color: var(--sop-brand);
    background: var(--sop-brand-soft);
}

/* Checkbox box reuse */
.sop-checkbox-box {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--sop-border);
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--sop-bg-card);
    margin-top: 2px;
}
.sop-checkbox-box.on {
    background: var(--sop-brand);
    border-color: var(--sop-brand);
    color: #fff;
}

/* Summary line */
.sop-approval-summary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--sop-brand-soft);
    border: 1px solid var(--sop-brand);
    border-radius: 8px;
    margin-top: 12px;
    color: var(--sop-fg);
}
.sop-approval-summary-icon {
    color: var(--sop-brand);
    display: inline-flex;
}
.sop-approval-summary-text {
    font-size: 13px;
}
.sop-approval-summary-text strong {
    color: var(--sop-brand);
    margin: 0 2px;
}