/* Frozen three-tier navigation and the formal EDMS knowledge-base slice. */

:root {
  --tier-menu-accent: #f06b4f;
  --tier-menu-purple: #7d3c73;
  --tier-menu-border: rgba(255, 255, 255, 0.09);
}

.primary-nav .brand-mark {
  border: 0;
  background: linear-gradient(135deg, var(--tier-menu-accent) 0 68%, var(--tier-menu-purple) 68% 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(240, 107, 79, 0.18);
}
.primary-nav .brand small { font-size: 0.57rem; letter-spacing: 0.02em; }
.primary-nav .nav-section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.42);
  letter-spacing: 0.12em;
}
.primary-nav .nav-section-label::after {
  content: "";
  width: 42%;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.primary-nav .nav-item .menu-glyph,
.primary-nav .tier-toggle .menu-glyph {
  flex: 0 0 24px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.78);
  font: 600 0.52rem Consolas, monospace;
  letter-spacing: -0.04em;
}

.primary-nav .nav-item > span:not(.menu-glyph) { display: block; }
.primary-nav .nav-item.active .menu-glyph {
  border-color: color-mix(in srgb, var(--tier-menu-accent) 62%, transparent);
  background: var(--tier-menu-accent);
  color: var(--on-accent, #fff);
}

.tier-nav-group { display: block; }
.tier-nav-group[hidden] { display: none; }
.tier-toggle {
  width: 100%;
  min-height: 48px;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 2px 0;
  padding: 8px 0.72rem;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--sidebar-ink);
  text-align: left;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}
.tier-toggle:hover { background: rgba(255, 255, 255, 0.075); color: #fff; }
.tier-toggle .menu-glyph { margin-top: 2px; }
.tier-toggle-copy { min-width: 0; display: grid; flex: 1; gap: 2px; }
.tier-toggle-copy strong { color: rgba(255, 255, 255, 0.9); font-size: 0.75rem; line-height: 1.25; }
.tier-toggle-meta { display: inline-flex; align-items: center; gap: 5px; margin-left: auto; }
.tier-chevron {
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.9rem;
  line-height: 1;
  transform: rotate(90deg);
  transition: transform 180ms ease;
}
.tier-toggle[aria-expanded="false"] .tier-chevron { transform: rotate(0); }
.tier-subnav {
  display: grid;
  gap: 2px;
  margin: 1px 0 8px 32px;
  padding: 2px 0 2px 12px;
  border-left: 1px solid var(--tier-menu-border);
}
.tier-subnav[hidden] { display: none; }
.tier-subnav a,
.tier-subnav button {
  position: relative;
  min-height: 32px;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 9px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  text-align: left;
  text-decoration: none;
  font: inherit;
  font-size: 0.66rem;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}
.tier-subnav a::before,
.tier-subnav button::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--tier-menu-border);
}
.tier-subnav a:hover,
.tier-subnav button:not(:disabled):hover { background: rgba(255, 255, 255, 0.065); color: #fff; }
.tier-subnav a.active,
.tier-subnav button.active {
  background: color-mix(in srgb, var(--tier-menu-accent) 15%, transparent);
  box-shadow: inset 2px 0 0 var(--tier-menu-accent);
  color: #fff;
}
.tier-subnav a.active::before,
.tier-subnav button.active::before { background: var(--tier-menu-accent); }
.tier-subnav button:disabled { opacity: 0.48; cursor: default; }

body.sidebar-collapsed .tier-toggle { justify-content: center; padding-inline: 0; }
body.sidebar-collapsed .tier-toggle-copy,
body.sidebar-collapsed .tier-toggle-meta { display: none; }
body.sidebar-collapsed .tier-subnav { margin-left: 0; padding-left: 0; border-left: 0; }
body.sidebar-collapsed .tier-subnav > :not(.active) { display: none; }
body.sidebar-collapsed .tier-subnav > .active { justify-content: center; padding: 0; font-size: 0; }
body.sidebar-collapsed .tier-subnav > .active::after { content: attr(data-menu-short); font-size: 0.6rem; }
body.sidebar-collapsed .tier-subnav > .active::before { display: none; }

.kb-projection { min-width: 0; color: var(--console-text, var(--ink)); }
.kb-projection .page-heading { align-items: center; }
.kb-projection .page-heading h1 { margin-top: 0.2rem; }
.kb-projection .page-heading .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}
.kb-projection .breadcrumb a,
.kb-projection .breadcrumb button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
.kb-projection .breadcrumb a:hover,
.kb-projection .breadcrumb button:hover { text-decoration: underline; }
.kb-heading-actions { flex: 0 0 auto; }

.kb-list-panel,
.kb-detail-panel,
.kb-stage-entry {
  overflow: hidden;
  border: 1px solid var(--console-line, var(--line));
  border-radius: var(--console-radius, 7px);
  background: var(--console-panel, var(--surface));
  box-shadow: var(--console-shadow);
}
.kb-list-toolbar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--console-line, var(--line));
}
.kb-list-title { min-width: 0; }
.kb-list-title h2 { margin: 0; color: var(--console-text, var(--ink)); font-size: 0.84rem; font-weight: 650; }
.kb-list-title p { margin: 3px 0 0; color: var(--console-muted, var(--ink-soft)); font-size: 0.6rem; }
.kb-list-filters { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.kb-list-filters label { min-width: 0; }
.kb-list-filters input,
.kb-list-filters select {
  height: 34px;
  box-sizing: border-box;
  border: 1px solid var(--console-line, var(--line));
  border-radius: 5px;
  outline: 0;
  background: #fff;
  color: var(--console-text, var(--ink));
  font: inherit;
  font-size: 0.66rem;
}
.kb-list-filters input { width: 220px; padding: 0 11px; }
.kb-list-filters select { min-width: 108px; padding: 0 28px 0 10px; }
.kb-list-filters input:focus,
.kb-list-filters select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 11%, transparent); }
.kb-list-filters .button { min-height: 34px; }

.kb-table-scroll { max-width: 100%; overflow-x: auto; }
.kb-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.kb-table th,
.kb-table td { padding: 13px 14px; border-bottom: 1px solid var(--console-line, var(--line)); text-align: left; vertical-align: middle; }
.kb-table th { background: #fafbfc; color: var(--console-muted, var(--ink-soft)); font-size: 0.6rem; font-weight: 650; }
.kb-table td { color: var(--console-text, var(--ink)); font-size: 0.68rem; overflow-wrap: anywhere; }
.kb-table tbody tr { transition: background 160ms ease; }
.kb-table tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, #fff); }
.kb-table td strong { display: block; font-size: 0.73rem; font-weight: 650; }
.kb-table td small { display: block; margin-top: 4px; color: var(--console-muted, var(--ink-soft)); font-size: 0.58rem; }
.kb-table .kb-row-action { text-align: right; }
.kb-table .kb-row-action .button { white-space: nowrap; }
.kb-base-table th:nth-child(1) { width: 25%; }
.kb-base-table th:nth-child(2) { width: 10%; }
.kb-base-table th:nth-child(3) { width: 12%; }
.kb-base-table th:nth-child(4) { width: 20%; }
.kb-base-table th:nth-child(5) { width: 18%; }
.kb-base-table th:nth-child(6) { width: 15%; }
.kb-document-table th:nth-child(1) { width: 29%; }
.kb-document-table th:nth-child(2) { width: 11%; }
.kb-document-table th:nth-child(3) { width: 15%; }
.kb-document-table th:nth-child(4) { width: 15%; }
.kb-document-table th:nth-child(5) { width: 15%; }
.kb-document-table th:nth-child(6) { width: 15%; }

.kb-status {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eef1f3;
  color: #59636b;
  font-size: 0.58rem;
  line-height: 1.2;
  white-space: nowrap;
}
.kb-status.success { background: #e5f4eb; color: #24704b; }
.kb-status.warning { background: #fff2d8; color: #8a540c; }
.kb-status.danger { background: #fde8e5; color: #a13b35; }

.kb-pagination {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 16px;
  color: var(--console-muted, var(--ink-soft));
  font-size: 0.62rem;
}
.kb-pagination > div { display: flex; align-items: center; gap: 10px; }
.kb-pagination .button { min-height: 30px; padding: 4px 9px; font-size: 0.62rem; }

.kb-empty-row td { padding: 48px 20px; text-align: center; }
.kb-empty-row strong,
.kb-empty-row span { display: block; }
.kb-empty-row span { margin-top: 6px; color: var(--console-muted, var(--ink-soft)); }
.kb-state-card {
  display: grid;
  justify-items: start;
  gap: 8px;
  margin: 0;
  padding: 42px 20px;
  color: var(--console-muted, var(--ink-soft));
  text-align: left;
}
.kb-state-card strong { color: var(--console-text, var(--ink)); font-size: 0.84rem; }
.kb-state-card p { max-width: 66ch; margin: 0; font-size: 0.68rem; line-height: 1.55; }
.kb-state-card .button { margin-top: 4px; }

.kb-context-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 0 14px;
  border: 1px solid var(--console-line, var(--line));
  border-radius: var(--console-radius, 7px);
  background: #fff;
  box-shadow: var(--console-shadow);
  color: var(--console-text, var(--ink));
  font-size: 0.65rem;
}
.kb-context-bar > span { min-height: 26px; display: inline-flex; align-items: center; gap: 7px; padding: 0 16px; border-right: 1px solid var(--console-line, var(--line)); }
.kb-context-bar > span:first-child { padding-left: 0; }
.kb-context-bar > span:last-child { border-right: 0; }
.kb-context-bar b { color: var(--console-muted, var(--ink-soft)); font-size: 0.58rem; font-weight: 600; }

.kb-detail-panel { padding: 0; }
.kb-detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 16px; }
.kb-detail-grid > div { min-width: 0; padding: 12px; border: 1px solid var(--console-line, var(--line)); border-radius: 6px; background: #fafbfc; }
.kb-detail-grid dt { color: var(--console-muted, var(--ink-soft)); font-size: 0.58rem; }
.kb-detail-grid dd { margin: 4px 0 0; color: var(--console-text, var(--ink)); font-size: 0.68rem; overflow-wrap: anywhere; }
.kb-version-section { border-top: 1px solid var(--console-line, var(--line)); }
.kb-version-section > header { padding: 14px 16px 10px; }
.kb-version-section h2 { margin: 0; font-size: 0.84rem; }
.kb-version-section header p { margin: 3px 0 0; color: var(--console-muted, var(--ink-soft)); font-size: 0.6rem; }
.kb-version-list { display: grid; margin: 0; padding: 0 16px 8px; list-style: none; }
.kb-version-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 11px 0; border-top: 1px solid var(--console-line, var(--line)); }
.kb-version-list li.current { margin-inline: -8px; padding-inline: 8px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 6%, #fff); }
.kb-version-identity { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.kb-version-list strong { color: var(--console-text, var(--ink)); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.kb-version-list small { color: var(--console-muted, var(--ink-soft)); font-size: 0.58rem; }
.kb-version-list .kb-version-kind { display: inline-flex; align-items: center; min-height: 21px; padding: 2px 7px; border-radius: 999px; background: #eef1f3; color: #59636b; }
.kb-version-list li.current .kb-version-kind { background: #e5f4eb; color: #24704b; }
.kb-version-meta { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.kb-version-meta time { font-variant-numeric: tabular-nums; }
.kb-detail-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-top: 1px solid var(--console-line, var(--line)); }
.kb-detail-actions p { margin: 0; color: var(--console-muted, var(--ink-soft)); font-size: 0.62rem; }
.kb-inline-error { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 16px 16px; padding: 11px 12px; border-left: 3px solid var(--danger); background: var(--danger-soft); color: var(--danger); font-size: 0.64rem; }

.kb-stage-entry { padding: 30px; }
.kb-stage-entry h2 { margin: 0 0 8px; font-size: 0.9rem; }
.kb-stage-entry p { max-width: 66ch; margin: 0 0 16px; color: var(--console-muted, var(--ink-soft)); font-size: 0.68rem; line-height: 1.55; }

@media (min-width: 1101px) {
  .kb-table { min-width: 760px; }
}

@media (max-width: 1100px) {
  .kb-list-toolbar { align-items: stretch; flex-direction: column; }
  .kb-list-filters { display: grid; grid-template-columns: minmax(0, 1fr) repeat(2, minmax(120px, auto)) auto; justify-content: stretch; }
  .kb-search-field input { width: 100%; }
  .kb-table-scroll { overflow: visible; }
  .kb-table,
  .kb-table tbody,
  .kb-table tr,
  .kb-table td { display: block; width: 100%; min-width: 0; box-sizing: border-box; }
  .kb-table thead { display: none; }
  .kb-table tbody { display: grid; gap: 12px; padding: 14px; }
  .kb-table tbody tr { padding: 6px 0; border: 1px solid var(--console-line, var(--line)); border-radius: 6px; background: #fff; }
  .kb-table th,
  .kb-table td { border-bottom: 0; }
  .kb-table td { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; padding: 7px 12px; }
  .kb-table td::before { content: attr(data-label); color: var(--console-muted, var(--ink-soft)); font-size: 0.6rem; }
  .kb-table .kb-row-action { display: block; padding-top: 10px; text-align: left; }
  .kb-table .kb-row-action::before { display: none; }
  .kb-table .kb-row-action .button { width: 100%; }
  .kb-empty-row td { display: block; padding: 36px 14px; }
  .kb-empty-row td::before { display: none; }
  .kb-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .primary-nav .nav-item { flex: 0 0 auto; width: auto; }
  .primary-nav .nav-item > span:not(.menu-glyph) { display: block; }
  .primary-nav .nav-item .menu-glyph { display: none; }
  .tier-nav-group { position: relative; flex: 0 0 auto; }
  .tier-toggle { min-height: 34px; align-items: center; padding: 0 10px; }
  .tier-toggle .menu-glyph,
  .tier-chevron { display: none; }
  .tier-toggle-copy strong { white-space: nowrap; }
  .tier-subnav {
    position: absolute;
    top: 42px;
    left: 0;
    z-index: 40;
    min-width: 150px;
    max-height: calc(100dvh - 130px);
    margin: 0;
    padding: 6px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 7px;
    background: var(--sidebar-bg-deep);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.2);
  }
  .tier-subnav a,
  .tier-subnav button { min-height: 38px; }
  .tier-subnav a::before,
  .tier-subnav button::before { display: none; }
  .kb-list-filters { grid-template-columns: 1fr 1fr; }
  .kb-search-field { grid-column: 1 / -1; }
  .kb-list-filters input,
  .kb-list-filters select,
  .kb-list-filters .button { width: 100%; min-width: 0; }
  .kb-list-filters .button { grid-column: 1 / -1; }
  .kb-pagination { align-items: flex-start; flex-direction: column; }
  .kb-pagination > div { width: 100%; justify-content: space-between; }
  .kb-context-bar { display: grid; grid-template-columns: 1fr 1fr; padding: 8px 12px; }
  .kb-context-bar > span,
  .kb-context-bar > span:first-child { padding: 5px 8px; border: 0; }
  .kb-detail-actions { align-items: stretch; flex-direction: column; }
  .kb-detail-actions .button { width: 100%; }
  .kb-inline-error { align-items: stretch; flex-direction: column; }
  .kb-inline-error .button { width: 100%; }
}

@media (max-width: 520px) {
  .kb-projection .page-heading { align-items: stretch; flex-direction: column; }
  .kb-heading-actions .button { width: 100%; }
  .kb-list-filters { grid-template-columns: 1fr; }
  .kb-search-field,
  .kb-list-filters .button { grid-column: auto; }
  .kb-table tbody { padding: 10px; }
  .kb-table td { grid-template-columns: 88px minmax(0, 1fr); }
  .kb-detail-grid { grid-template-columns: 1fr; }
  .kb-context-bar { grid-template-columns: 1fr; }
  .kb-version-list li { grid-template-columns: 1fr; }
  .kb-version-meta { align-items: stretch; flex-direction: column; }
  .kb-version-meta .button { width: 100%; }
  .kb-stage-entry { padding: 22px 18px; }
}
/* Compact professional context and same-object stage navigation. */
.workspace-picker { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.workspace-picker > span { color: var(--ink-soft); }
.workspace-picker select { width: 185px; max-width: 24vw; height: 32px; padding: 4px 24px 4px 9px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface, #fff); color: var(--ink); font: inherit; }
.tier-subnav-label { display: block; padding: 10px 12px 4px; color: var(--sidebar-muted); font-size: 10px; }
.kb-stage-next { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 14px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface, #fff); }
.kb-stage-next p { margin: 0; font-size: .67rem; color: var(--ink-soft); }
.kb-stage-next .button { text-decoration: none; white-space: nowrap; }