/* Canonical admin panels, settings shells and section headers */

.panel-header {
  display: grid;
  gap: 6px;
  align-content: start;
  margin-bottom: 16px;
}

.panel-header h2 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.panel-header.between,
.between {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.panel-header.between > *,
.between > * {
  min-width: 0;
}

.settings-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.settings-summary-card {
  min-height: 96px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.04), transparent 26%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(8, 13, 24, 0.98));
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 6px;
  align-content: start;
}

.settings-summary-card strong {
  font-size: 20px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.settings-summary-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.settings-summary-grid--premium {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.settings-summary-grid--premium .settings-summary-card {
  border-color: rgba(148, 163, 184, 0.1);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.05), transparent 22%),
    linear-gradient(180deg, rgba(9, 14, 24, 0.96), rgba(5, 9, 17, 0.99));
}

.settings-summary-grid--premium .settings-summary-card strong {
  font-size: 24px;
  letter-spacing: -.04em;
}

.settings-summary-grid--brand {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.settings-summary-grid--brand .settings-summary-card strong {
  font-size: 16px;
  letter-spacing: 0;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.settings-action-row {
  padding-top: 6px;
}

.client-settings-subtabs-panel {
  display: grid;
  gap: 14px;
}

.client-settings-shell {
  display: grid;
  gap: 18px;
}

.client-settings-shell--compact {
  padding: 14px;
  gap: 14px;
  border-color: rgba(148, 163, 184, 0.1);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.05), transparent 22%),
    linear-gradient(180deg, rgba(9, 15, 26, 0.96), rgba(7, 12, 21, 0.99));
}

.client-settings-shell__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.client-settings-shell__head > * {
  min-width: 0;
}

.client-settings-shell__intro {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.client-settings-shell__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.client-settings-shell__intro h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.client-settings-shell__intro p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.client-settings-shell__actions {
  justify-content: flex-end;
  flex: 0 0 auto;
}

.client-settings-shell__actions .btn {
  min-height: 40px;
  padding-inline: 14px;
}

.client-settings-shell__stats {
  margin-top: 2px;
}

.client-settings-subtabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(164px, 1fr));
  gap: 8px;
  position: static;
  padding: 8px;
  margin-bottom: 2px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  background: linear-gradient(180deg, rgba(11, 17, 29, 0.94), rgba(8, 13, 22, 0.94));
  box-shadow: 0 16px 28px rgba(2, 6, 23, 0.16);
}

.client-settings-subtab {
  display: grid;
  gap: 4px;
  min-height: 82px;
  padding: 13px 14px;
  align-content: start;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.03), transparent 30%),
    rgba(255, 255, 255, 0.028);
  color: inherit;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.client-settings-subtab strong {
  font-size: 12px;
  line-height: 1.2;
}

.client-settings-subtab span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.client-settings-subtab em {
  color: rgba(214, 187, 24, 0.82);
  font-style: normal;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.client-settings-subtab:hover {
  transform: translateY(-1px);
  border-color: rgba(56, 189, 248, 0.36);
  color: #f8fafc;
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.12);
}

.client-settings-subtab.is-active {
  border-color: rgba(214, 187, 24, 0.38);
  background:
    radial-gradient(circle at top left, rgba(214, 187, 24, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(214, 187, 24, 0.12), rgba(15, 23, 42, 0.94));
  box-shadow: inset 0 0 0 1px rgba(214, 187, 24, 0.1);
}

.client-settings-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 2px;
}

.client-settings-overview__card {
  display: grid;
  gap: 6px;
  min-height: 104px;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.04), transparent 24%),
    linear-gradient(180deg, rgba(10, 16, 28, 0.94), rgba(7, 12, 21, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
  align-content: start;
}

.client-settings-overview__card small {
  color: rgba(148, 163, 184, 0.74);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.client-settings-overview__card strong {
  font-size: 20px;
  line-height: 1.05;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

.client-settings-overview__card span {
  color: rgba(191, 219, 254, 0.72);
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.settings-section {
  display: none;
}

.settings-section.is-active {
  display: block;
}

.settings-section + .settings-section {
  margin-top: 18px;
}

.settings-form-stack {
  gap: 18px;
}

.settings-form-sections {
  display: grid;
  gap: 18px;
}

.settings-card-fold {
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 18px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.024), transparent 24%),
    rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.settings-card-fold__summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
}

.settings-card-fold__summary::-webkit-details-marker {
  display: none;
}

.settings-card-fold__copy {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.settings-card-fold__copy strong {
  font-size: 15px;
  line-height: 1.2;
}

.settings-card-fold__copy span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.settings-card-fold__body {
  display: grid;
  gap: 14px;
  padding: 0 18px 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.settings-form-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.1);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.024), transparent 24%),
    rgba(255, 255, 255, 0.02);
}

.settings-form-card__header {
  display: grid;
  gap: 5px;
}

.settings-form-card__header h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.15;
}

.settings-form-card__header p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.settings-form-grid {
  gap: 12px;
}

.settings-action-fold {
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 20px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.022), transparent 24%),
    rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.settings-action-fold__summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
}

.settings-action-fold__summary::-webkit-details-marker {
  display: none;
}

.settings-action-fold__copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.settings-action-fold__copy strong {
  font-size: 14px;
  line-height: 1.2;
}

.settings-action-fold__copy span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.settings-action-fold__body {
  display: grid;
  gap: 14px;
  padding: 0 18px 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.settings-action-fold--inline {
  border: 0;
  background: transparent;
  overflow: visible;
}

.settings-action-fold__summary--inline {
  padding: 0;
  border: 0;
  background: transparent;
}

.settings-action-fold__summary--inline .btn {
  pointer-events: none;
}

.settings-action-fold--inline .settings-action-fold__body {
  padding: 12px 0 0;
  border-top: 0;
}

.surface-list--scroller {
  max-height: 500px;
  overflow: auto;
  padding-right: 4px;
}

.wireguard-stack {
  display: grid;
  gap: 16px;
}

.wireguard-stack__summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.wireguard-stack__folds {
  display: grid;
  gap: 12px;
}

@media (max-width: 980px) {
  .settings-summary-grid--premium {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-settings-shell__head {
    flex-direction: column;
    align-items: stretch;
  }

  .client-settings-shell__actions {
    justify-content: flex-start;
  }

  .client-settings-subtabs {
    position: static;
    top: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-settings-overview {
    grid-template-columns: 1fr;
  }

  .wireguard-stack__summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .panel-header.between,
  .between {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-header.between .button-row,
  .panel-header.between .filters-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .settings-summary-grid,
  .settings-summary-grid--premium {
    grid-template-columns: 1fr;
  }

  .client-settings-shell--compact {
    padding: 12px;
    gap: 12px;
  }

  .client-settings-shell__meta {
    gap: 6px;
  }

  .client-settings-shell__actions {
    width: 100%;
  }

  .client-settings-shell__actions .btn {
    flex: 1 1 220px;
  }

  .client-settings-subtabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    position: static;
    top: auto;
    padding: 8px;
    gap: 8px;
    border-radius: 18px;
  }

  .client-settings-subtab {
    min-height: 82px;
    padding: 12px 13px;
    border-radius: 16px;
  }

  .settings-card-fold__summary,
  .settings-action-fold__summary {
    padding: 14px;
  }

  .settings-card-fold__body,
  .settings-action-fold__body {
    padding: 0 14px 14px;
  }

  .settings-form-card {
    padding: 14px;
  }

  .surface-list--scroller {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .client-settings-overview__card {
    min-height: 0;
    padding: 14px;
    border-radius: 16px;
  }
}

@media (max-width: 560px) {
  .settings-summary-card {
    min-height: 0;
    padding: 13px 14px;
  }

  .settings-summary-card strong {
    font-size: 18px;
  }

  .client-settings-subtabs {
    grid-template-columns: 1fr;
  }

  .client-settings-shell__actions .btn {
    flex: 1 1 100%;
  }

  .client-settings-subtab strong {
    font-size: 12px;
  }

  .client-settings-subtab span {
    font-size: 10px;
  }
}

@media (max-width: 980px) {
  .client-settings-shell--compact {
    padding: 12px;
    gap: 12px;
  }

  .settings-card-fold__summary,
  .settings-action-fold__summary {
    padding: 14px;
  }

  .settings-card-fold__body,
  .settings-action-fold__body {
    padding: 0 14px 14px;
  }

  .settings-form-card {
    padding: 14px;
    border-radius: 16px;
  }
}

@media (max-width: 560px) {
  .client-settings-shell--compact {
    padding: 10px;
    gap: 10px;
    border-radius: 20px;
  }

  .client-settings-subtabs {
    gap: 6px;
    padding: 6px;
    border-radius: 16px;
  }

  .client-settings-subtab {
    min-height: 74px;
    padding: 10px 11px;
    border-radius: 14px;
  }

  .settings-card-fold,
  .settings-action-fold,
  .settings-form-card {
    border-radius: 16px;
  }
}

@media (max-width: 760px) {
  .client-settings-shell--compact {
    padding: 10px;
    gap: 10px;
    border-radius: 18px;
  }

  .client-settings-shell__meta {
    gap: 4px;
  }

  .client-settings-subtabs {
    gap: 6px;
    padding: 6px;
    border-radius: 16px;
  }

  .client-settings-subtab {
    min-height: 68px;
    padding: 9px 10px;
    border-radius: 12px;
  }

  .client-settings-subtab strong {
    font-size: 11px;
    line-height: 1.2;
  }

  .client-settings-subtab span {
    font-size: 10px;
    line-height: 1.25;
  }

  .settings-summary-card,
  .client-settings-overview__card {
    padding: 12px;
    border-radius: 14px;
  }

  .settings-summary-card strong {
    font-size: 16px;
  }

  .settings-card-fold__summary,
  .settings-action-fold__summary {
    gap: 10px;
    padding: 12px;
  }

  .settings-card-fold__body,
  .settings-action-fold__body,
  .settings-form-card {
    padding: 12px;
  }

  .settings-form-card__header p,
  .settings-action-fold__copy span {
    font-size: 11px;
    line-height: 1.4;
  }
}

@media (max-width: 560px) {
  .client-settings-subtabs {
    gap: 5px;
    padding: 5px;
  }

  .client-settings-subtab {
    min-height: 60px;
    padding: 8px 9px;
  }

  .settings-summary-card,
  .client-settings-overview__card,
  .settings-form-card,
  .settings-card-fold__body,
  .settings-action-fold__body {
    padding: 10px;
  }
}

.client-settings-subtabs {
  border-color: var(--ui-surface-card-border, rgba(148, 163, 184, 0.12));
  background: var(--ui-surface-shell-bg);
  box-shadow: var(--ui-surface-card-shadow);
}

.client-settings-subtab,
.client-settings-overview__card,
.settings-card-fold,
.settings-action-fold,
.settings-form-card {
  border-color: var(--ui-surface-card-border, rgba(148, 163, 184, 0.12));
  color: var(--ui-text-strong, inherit);
}

.client-settings-subtab,
.client-settings-overview__card,
.settings-form-card {
  background: var(--ui-surface-soft-bg);
}

.settings-card-fold,
.settings-action-fold {
  background: var(--ui-surface-card-bg);
}

.client-settings-subtab strong,
.client-settings-overview__card strong,
.settings-card-fold__copy strong,
.settings-action-fold__copy strong,
.settings-form-card__header h3 {
  color: var(--ui-text-strong, inherit);
}

.client-settings-subtab span,
.client-settings-overview__card span,
.client-settings-overview__card small,
.settings-card-fold__copy span,
.settings-action-fold__copy span,
.settings-form-card__header p {
  color: var(--ui-text-muted, var(--muted));
}

.client-settings-subtab em {
  color: var(--ui-accent-text, rgba(56, 189, 248, 0.98));
}

.client-settings-subtab:hover {
  border-color: var(--ui-surface-card-border-strong, rgba(56, 189, 248, 0.28));
  background: var(--ui-surface-soft-bg-strong);
  box-shadow: var(--ui-surface-card-shadow);
}

.client-settings-subtab.is-active {
  border-color: var(--ui-surface-card-border-strong, rgba(56, 189, 248, 0.28));
  background: var(--ui-accent-panel-bg);
  box-shadow: inset 0 0 0 1px rgba(var(--user-theme-accent-rgb, 56, 189, 248), 0.08);
}

.settings-card-fold__body,
.settings-action-fold__body {
  border-top-color: var(--ui-surface-card-divider, rgba(148, 163, 184, 0.08));
}

.settings-summary-card {
  border-color: var(--ui-surface-card-border, rgba(148, 163, 184, 0.12));
  background: var(--ui-surface-soft-bg);
  color: var(--ui-text-strong, inherit);
  box-shadow: var(--ui-surface-card-shadow);
}

.settings-summary-grid--premium .settings-summary-card {
  background: var(--ui-surface-card-bg);
}

.settings-summary-card span {
  color: var(--ui-text-subtle, var(--ui-text-muted, var(--muted)));
}

.list-card__role {
  border-color: var(--ui-info-border, rgba(56, 189, 248, 0.28));
  background: var(--ui-info-bg, rgba(56, 189, 248, 0.14));
  color: var(--ui-info-text, #dbeafe);
}

.settings-section {
  scroll-margin-top: 136px;
}

@media (max-width: 900px) {
  .client-settings-subtabs {
    display: none;
  }

  .settings-section {
    display: block !important;
    scroll-margin-top: 92px;
  }

  .settings-section + .settings-section {
    margin-top: 14px;
  }
}

@media (max-width: 760px) {
  .client-settings-shell--compact.surface-card {
    padding: 12px !important;
    gap: 12px !important;
    border-radius: 18px !important;
  }

  .client-settings-overview {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .client-settings-overview__card,
  .settings-card-fold,
  .settings-action-fold,
  .settings-form-card {
    border-radius: 16px !important;
  }

  .settings-card-fold__summary,
  .settings-action-fold__summary {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
    padding: 12px !important;
  }

  .settings-card-fold__body,
  .settings-action-fold__body,
  .settings-form-card {
    padding: 12px !important;
  }
}

@media (max-width: 560px) {
  .client-settings-shell--compact.surface-card {
    padding: 10px !important;
    gap: 10px !important;
    border-radius: 16px !important;
  }

  .client-settings-overview__card,
  .settings-form-card,
  .settings-card-fold__body,
  .settings-action-fold__body {
    padding: 10px !important;
  }

  .client-settings-overview__card,
  .settings-card-fold,
  .settings-action-fold,
  .settings-form-card {
    border-radius: 14px !important;
  }
}

@media (max-width: 1360px) {
  .settings-summary-grid--premium {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-summary-grid--brand {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-settings-shell__head {
    flex-direction: column;
    align-items: stretch;
  }

  .client-settings-shell__actions {
    justify-content: flex-start;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .settings-summary-grid--brand {
    grid-template-columns: 1fr;
  }
}