/* ==========================================================================
   layout.css — App shell: sidebar, header, main content area
   ========================================================================== */

/* --------------------------------------------------------------------------
   App Shell
   -------------------------------------------------------------------------- */
#app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  height: 100vh;
  overflow: hidden;
}

#app-shell.sidebar-collapsed {
  grid-template-columns: 88px 1fr;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
#sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
  border-right: 1px solid var(--col-border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  height: var(--header-h);
  border-bottom: 1px solid var(--col-border);
  flex-shrink: 0;
}

.sidebar-logo-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--col-primary);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: #fff;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
}
.sidebar-logo-subtitle {
  font-size: var(--text-xs);
  color: var(--col-text-mute);
  margin-top: 1px;
}

.sidebar-toolbar {
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.sidebar-search {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-3);
  min-height: 40px;
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.86);
}

.sidebar-search:focus-within {
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.sidebar-search-icon {
  color: var(--col-text-dim);
  flex-shrink: 0;
}

.sidebar-search-input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--col-text);
  font-size: var(--text-sm);
  outline: none;
}

.sidebar-search-input::placeholder {
  color: var(--col-text-dim);
}

.sidebar-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.sidebar-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 var(--sp-2);
  border-radius: var(--r-full);
  background: rgba(99, 102, 241, 0.10);
  color: var(--col-primary-h);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
}

.sidebar-meta-text {
  font-size: var(--text-xs);
  color: var(--col-text-mute);
}

.sidebar-section {
  padding: var(--sp-4) 0 var(--sp-2);
}

.sidebar-section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--col-text-dim);
  padding: 0 var(--sp-5);
  margin-bottom: var(--sp-1);
}

.nav-group {
  padding: 0 var(--sp-3) var(--sp-3);
}

.nav-group-toggle {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3);
  margin-bottom: var(--sp-2);
  border: 0;
  border-radius: var(--r-xl);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.nav-group-toggle:hover,
.nav-group-toggle:focus-visible {
  background: rgba(148, 163, 184, 0.12);
}

.nav-group-heading {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.nav-group-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--col-text-dim);
}

.nav-group-summary {
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.nav-group-meta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.nav-group-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: var(--r-full);
  background: rgba(148, 163, 184, 0.18);
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
}

.nav-group-caret {
  color: var(--col-text-dim);
  font-size: var(--text-lg);
  line-height: 1;
  transform: rotate(90deg);
  transition: transform var(--t-fast);
}

.nav-group.collapsed .nav-group-caret {
  transform: rotate(0deg);
}

.nav-group-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-group.collapsed .nav-group-links {
  display: none;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-5);
  color: var(--col-text-mute);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border-radius: 0;
  transition: color var(--t-fast), background var(--t-fast);
  cursor: pointer;
  text-decoration: none;
  position: relative;
}

.nav-link {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3);
  color: var(--col-text-mute);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: color var(--t-fast), background var(--t-fast);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid transparent;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
  color: var(--col-text);
  background: var(--col-surface2);
  text-decoration: none;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--col-text);
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(99, 102, 241, 0.12);
  text-decoration: none;
}

.sidebar-link.active {
  color: var(--col-primary-h);
  background: rgba(99, 102, 241, 0.12);
}

.nav-link.active {
  color: var(--col-primary-h);
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.18);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.05);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--col-primary);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--col-primary);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.sidebar-link-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.7;
}

.nav-icon {
  width: 18px;
  min-width: 18px;
  text-align: center;
  font-size: 16px;
  line-height: 1;
  opacity: 0.85;
  margin-top: 2px;
}

.nav-copy {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-label {
  min-width: 0;
  flex: 1;
  color: var(--col-text);
}

.nav-description {
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.sidebar-link.active .sidebar-link-icon { opacity: 1; }

.nav-link.active .nav-icon { opacity: 1; }

.sidebar-link-badge {
  margin-left: auto;
  background: var(--col-danger);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--r-full);
  min-width: 18px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  background: var(--col-danger);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  line-height: 1;
  padding: 2px 6px;
  border-radius: var(--r-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-spacer { flex: 1; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  min-height: 0;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-2) var(--sp-4);
}

.sidebar-quick-actions {
  margin: 0 var(--sp-2);
  padding: var(--sp-3);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.sidebar-quick-actions-label {
  margin-bottom: var(--sp-3);
  color: var(--col-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2);
}

.sidebar-quick-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-lg);
  background: rgba(99, 102, 241, 0.10);
  color: var(--col-primary-h);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-decoration: none;
}

.sidebar-quick-action:hover,
.sidebar-quick-action:focus-visible {
  background: rgba(99, 102, 241, 0.18);
  text-decoration: none;
}

.sidebar-empty {
  margin: 0 var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(15, 23, 42, 0.12);
  color: var(--col-text-mute);
  font-size: var(--text-sm);
}

.sidebar-footer {
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--col-border);
  flex-shrink: 0;
}

.logo-mark,
.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--col-primary);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
}

.sidebar-user {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--sp-3);
  background: rgba(255, 255, 255, 0.86);
}

.sidebar-footer-user {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.sidebar-footer-actions {
  display: flex;
  gap: var(--sp-2);
}

.sidebar-footer-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 var(--sp-3);
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: var(--r-lg);
  background: #fff;
  color: var(--col-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-decoration: none;
  cursor: pointer;
}

.sidebar-footer-action:hover,
.sidebar-footer-action:focus-visible {
  background: var(--col-surface2);
  text-decoration: none;
}

button.sidebar-footer-action {
  appearance: none;
}

.sidebar-user-name {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
}

.sidebar-user-role {
  color: var(--col-text-mute);
}

#app-shell.sidebar-collapsed #sidebar {
  align-items: center;
}

#app-shell.sidebar-collapsed .sidebar-logo,
#app-shell.sidebar-collapsed .sidebar-toolbar,
#app-shell.sidebar-collapsed .sidebar-footer {
  width: 100%;
}

#app-shell.sidebar-collapsed .sidebar-logo-copy,
#app-shell.sidebar-collapsed .sidebar-meta,
#app-shell.sidebar-collapsed .sidebar-search,
#app-shell.sidebar-collapsed .sidebar-quick-actions,
#app-shell.sidebar-collapsed .nav-group-summary,
#app-shell.sidebar-collapsed .nav-copy,
#app-shell.sidebar-collapsed .nav-group-count,
#app-shell.sidebar-collapsed .sidebar-user,
#app-shell.sidebar-collapsed .sidebar-footer-actions {
  display: none;
}

#app-shell.sidebar-collapsed .sidebar-toolbar {
  padding: var(--sp-3) var(--sp-2);
}

#app-shell.sidebar-collapsed .sidebar-nav {
  width: 100%;
  padding-left: var(--sp-2);
  padding-right: var(--sp-2);
}

#app-shell.sidebar-collapsed .nav-group {
  padding-left: 0;
  padding-right: 0;
}

#app-shell.sidebar-collapsed .nav-group-toggle {
  justify-content: center;
  padding: var(--sp-2);
}

#app-shell.sidebar-collapsed .nav-group-label {
  font-size: 10px;
  text-align: center;
}

#app-shell.sidebar-collapsed .nav-link {
  justify-content: center;
  padding: var(--sp-3) 0;
}

#app-shell.sidebar-collapsed .nav-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
}

#app-shell.sidebar-collapsed .sidebar-footer {
  padding-left: var(--sp-2);
  padding-right: var(--sp-2);
}

#app-shell.sidebar-collapsed .sidebar-footer-user {
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
#header {
  grid-area: header;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-6);
  background: var(--col-surface);
  border-bottom: 1px solid var(--col-border);
  z-index: 90;
}

.header-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  color: var(--col-text);
  flex: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.header-left {
  min-width: 0;
  flex: 1;
}

.header-back {
  white-space: nowrap;
  flex-shrink: 0;
}

.header-right {
  margin-left: auto;
}

.notif-bell {
  position: relative;
}

.notif-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--r-full);
  background: var(--col-danger);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.user-menu-wrap {
  position: relative;
}

.user-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-2);
}

.user-name-sm {
  font-size: var(--text-sm);
  color: var(--col-text);
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.caret {
  color: var(--col-text-mute);
  font-size: 12px;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background: var(--col-surface2);
  border: 1px solid var(--col-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  z-index: 200;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
#view {
  grid-area: main;
  overflow-y: auto;
  padding: var(--sp-6);
  background: var(--col-bg);
}

/* Page-level header row */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.page-intro {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  min-width: 0;
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semi);
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--col-text-mute);
  margin-top: var(--sp-1);
}

.page-lead {
  max-width: 780px;
  font-size: var(--text-sm);
  color: var(--col-text-mute);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Section card */
.card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--col-border);
}

.card-title {
  font-size: var(--text-md);
  font-weight: var(--weight-semi);
}

.card-body { padding: var(--sp-5); }

.card-footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--col-border);
  background: var(--col-surface2);
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.stat-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  padding: var(--sp-5);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--col-text-mute);
  margin-bottom: var(--sp-2);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--col-text);
  line-height: 1;
}

.stat-sub {
  font-size: var(--text-xs);
  color: var(--col-text-mute);
  margin-top: var(--sp-2);
}

/* Two-pane layout (e.g. Messages) */
.pane-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: calc(100vh - var(--header-h) - 48px);
  gap: var(--sp-4);
}

.pane-sidebar {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  overflow-y: auto;
}

.pane-main {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.online-staff-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: auto;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border: 2px solid var(--col-border);
  border-top-color: var(--col-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* Detail layout (ticket, dispute, etc.) */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--sp-5);
  align-items: start;
}

.detail-aside { display: flex; flex-direction: column; gap: var(--sp-4); }

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  margin-bottom: var(--sp-4);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  min-width: 132px;
}

.filter-group.grow {
  min-width: 180px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(240px, 280px) 1fr;
  gap: var(--sp-4);
  align-items: start;
}

.staff-ops-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
  gap: var(--sp-4);
  align-items: start;
}

.staff-detail-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.staff-management-card {
  padding: var(--sp-4);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 245, 249, 0.9));
}

.staff-management-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
  margin-bottom: var(--sp-3);
}

.staff-management-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.staff-management-note {
  margin-top: var(--sp-3);
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.staff-form-explainer {
  margin-bottom: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.12);
}

.staff-form-explainer-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
  margin-bottom: var(--sp-2);
}

.staff-form-explainer-copy {
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  line-height: 1.6;
}

.staff-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}

.staff-form-grid-span {
  grid-column: 1 / -1;
}

.staff-role-preview {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.staff-role-preview-pages,
.role-visible-pages-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.staff-role-preview-empty {
  color: var(--col-text-mute);
  font-size: var(--text-xs);
}

.role-editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
}

.role-editor-span {
  grid-column: 1 / -1;
}

.role-builder-note {
  margin-top: var(--sp-4);
}

.role-builder-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.role-builder-compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.role-permission-card,
.team-permission-item {
  padding: var(--sp-4);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  background: var(--col-surface);
}

.role-permission-head {
  margin-bottom: var(--sp-3);
}

.role-permission-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
}

.role-permission-subtitle {
  margin-top: 2px;
  color: var(--col-text-mute);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.role-permission-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.role-permission-check {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-height: 32px;
  padding: 0 var(--sp-3);
  border: 1px solid var(--col-border);
  border-radius: var(--r-full);
  background: var(--col-surface2);
  font-size: var(--text-xs);
  color: var(--col-text);
}

.role-visible-pages {
  margin-top: var(--sp-4);
}

.team-permission-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.panel-list {
  display: flex;
  flex-direction: column;
}

.panel-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--col-border);
  cursor: pointer;
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.panel-list-item:hover {
  background: var(--col-surface2);
}

.panel-list-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.16), rgba(99, 102, 241, 0.05));
  box-shadow: inset 3px 0 0 var(--col-primary);
}

.panel-list-body {
  min-width: 0;
  flex: 1;
}

.panel-list-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--col-text);
}

.panel-list-subtitle {
  margin-top: 2px;
  font-size: var(--text-xs);
  color: var(--col-text-mute);
}

.swatch-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--swatch-color, var(--col-text-dim));
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
  margin-top: 3px;
}

.surface-note {
  padding: var(--sp-4);
  border: 1px dashed var(--col-border-hi);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.02));
  color: var(--col-text-mute);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-12) var(--sp-6);
  color: var(--col-text-mute);
  text-align: center;
}
.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--sp-4);
  opacity: 0.4;
}
.empty-state-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  color: var(--col-text);
  margin-bottom: var(--sp-2);
}
.empty-state-sub {
  font-size: var(--text-sm);
  color: var(--col-text-mute);
  max-width: 360px;
}

/* Standalone pages (login) */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--col-bg);
  padding: var(--sp-6);
}

.auth-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.auth-heading {
  margin-bottom: var(--sp-5);
}

/* Loading overlay */
.view-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--col-border);
  border-top-color: var(--col-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive breakpoint */
@media (max-width: 900px) {
  #app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-h) 1fr;
    grid-template-areas: "header" "main";
  }
  #sidebar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(88vw, 320px);
    max-width: 320px;
    transform: translateX(-105%);
    transition: transform var(--t-fast);
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
  }
  #app-shell.sidebar-open #sidebar,
  #sidebar.sidebar-open {
    transform: translateX(0);
  }
  #app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
  }
  .sidebar-quick-actions-grid {
    grid-template-columns: 1fr;
  }
  .sidebar-footer-actions {
    flex-wrap: wrap;
  }
  .detail-layout { grid-template-columns: 1fr; }
  .pane-layout   { grid-template-columns: 1fr; }
  .split-layout  { grid-template-columns: 1fr; }
  .staff-ops-shell { grid-template-columns: 1fr; }
  .staff-form-grid { grid-template-columns: 1fr; }
  .role-editor-grid { grid-template-columns: 1fr; }
  .role-builder-grid { grid-template-columns: 1fr; }
  .profile-hero-grid { grid-template-columns: 1fr; }
  .title-metric-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}