/* Modern Component Library - Professional UI Components 2024 */

/* === BUTTONS === */

/* Base Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  line-height: var(--leading-tight);
  position: relative;
  overflow: visible;
  border: 2px solid transparent;
  isolation: isolate;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  min-height: 32px;
}

.btn-md {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  min-height: 40px;
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  min-height: 48px;
}

/* Button Variants */
.btn-primary {
  background: var(--gradient-brand);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-brand);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--surface-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--surface-tertiary);
  border-color: var(--border-secondary);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-overlay);
}

.btn-danger {
  background: var(--gradient-danger);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-danger);
}

/* Button States */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn:focus-visible {
  box-shadow: var(--focus-ring);
}

/* Button Loading State */
.btn.loading {
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-right-color: transparent;
  animation: spin 0.7s linear infinite;
}

/* === FORMS === */

/* Form Control Base */
.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--surface-primary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.form-control:hover:not(:disabled) {
  border-color: var(--border-secondary);
}

.form-control:focus-visible {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--surface-secondary);
}

/* Form Control Variants */
.form-control.error {
  border-color: var(--danger-500);
}

.form-control.error:focus-visible {
  box-shadow: 0 0 0 3px rgb(239 68 68 / 0.1);
}

.form-control.success {
  border-color: var(--success-500);
}

.form-control.success:focus-visible {
  box-shadow: 0 0 0 3px rgb(34 197 94 / 0.1);
}

/* Form Label */
.form-label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.form-label.required::after {
  content: " *";
  color: var(--danger-500);
}

/* Form Helper Text */
.form-help {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.form-help.error {
  color: var(--danger-500);
}

.form-help.success {
  color: var(--success-500);
}

/* Form Group */
.form-group {
  margin-bottom: var(--space-6);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-3);
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin-right: var(--space-3);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-base);
  background-color: var(--surface-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-input:checked {
  background-color: var(--brand-500);
  border-color: var(--brand-500);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Ccircle cx='10' cy='10' r='3'/%3E%3C/svg%3E");
}

.form-check-input:focus-visible {
  box-shadow: var(--focus-ring);
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--text-primary);
  cursor: pointer;
}

/* Select */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 20px;
  padding-right: var(--space-10);
}

/* === CARDS === */

.card-modern {
  background: var(--surface-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-base);
  padding: 0.88rem 0.98rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--border-primary) 84%, transparent);
}

.card-modern::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-base);
}

@media (hover: hover) and (pointer: fine) {
  .card-modern:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
  }

  .card-modern:hover::before {
    opacity: 1;
  }
}

.card-modern.interactive {
  cursor: pointer;
}

.card-modern.selected {
  border: 2px solid var(--brand-500);
}

.card-modern.selected::before {
  opacity: 1;
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.card-title {
  font-size: 1.12rem;
  font-weight: var(--font-semibold);
  color: var(--organizer-shell-heading, var(--text-primary));
  margin: 0;
  line-height: 1.2;
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--organizer-shell-copy, var(--text-tertiary));
  margin-top: var(--space-2);
  line-height: 1.45;
}

/* Card Body */
.card-body {
  color: var(--organizer-shell-copy, var(--text-secondary));
  line-height: 1.6;
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-primary);
}

/* === BADGES === */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  line-height: 1;
  white-space: nowrap;
}

.badge-primary {
  background: var(--brand-100);
  color: var(--brand-700);
}

.badge-success {
  background: var(--success-100);
  color: var(--success-700);
}

.badge-warning {
  background: var(--warning-100);
  color: var(--warning-700);
}

.badge-danger {
  background: var(--danger-100);
  color: var(--danger-700);
}

.badge-neutral {
  background: var(--neutral-200);
  color: var(--neutral-700);
}

/* Badge Sizes */
.badge-sm {
  padding: var(--space-0) var(--space-1);
  font-size: var(--text-xs);
}

.badge-lg {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

/* === ALERTS === */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  background: var(--surface-primary);
  margin-bottom: var(--space-4);
}

.alert-info {
  border-color: var(--brand-500);
  background: var(--brand-50);
  color: var(--brand-900);
}

.alert-success {
  border-color: var(--success-500);
  background: var(--success-50);
  color: var(--success-900);
}

.alert-warning {
  border-color: var(--warning-500);
  background: var(--warning-50);
  color: var(--warning-900);
}

.alert-danger {
  border-color: var(--danger-500);
  background: var(--danger-50);
  color: var(--danger-900);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.alert-close {
  flex-shrink: 0;
  margin-left: auto;
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

/* === MODALS === */
/* Modal visual ownership is in css/modal-dialog-builder-theme.css. Keep layout/utilities here. */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  animation: fadeIn 0.2s ease;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  z-index: var(--z-modal);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

/* Settings modal — Left Sidebar Navigation layout */
.settings-modal {
  border-radius: 0;
}

.settings-modal.show {
  padding: 0;
}

.settings-modal .modal-content {
  width: min(94vw, 820px);
  max-width: 820px;
  padding: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: min(92vh, 680px);
  max-height: min(92vh, 680px);
}

.settings-modal .modal-content[data-active-settings-panel="settingsPanelSharing"] {
  width: min(96vw, 1140px);
  max-width: 1140px;
  height: min(92vh, 760px);
  max-height: min(92vh, 760px);
}

/* ── Header ── */
.settings-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.settings-modal-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.settings-modal-icon {
  font-size: var(--text-lg);
  line-height: 1;
  opacity: 0.7;
  margin-top: 0.15rem;
}

.settings-modal-heading {
  display: grid;
  gap: 0.2rem;
}

.settings-modal-header h3 {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.settings-modal-subtitle {
  margin: 0;
  max-width: 58ch;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.settings-header-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  font-size: var(--text-base);
  line-height: 1;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.settings-header-close-btn:hover {
  background: var(--surface-secondary);
  color: var(--text-primary);
}

.settings-header-close-btn:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* ── Body layout: sidebar + panels ── */
.settings-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  flex: 1 1 0;
  min-height: 0;
}

/* ── Sidebar ── */
.settings-sidebar {
  display: flex;
  flex-direction: column;
  padding: var(--space-3) var(--space-2);
  border-right: 1px solid var(--border-primary);
  background: var(--surface-secondary);
  overflow-y: auto;
}

.settings-nav-group-label {
  margin: var(--space-3) var(--space-2) var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.65;
}

.settings-nav-group-label:first-child {
  margin-top: var(--space-1);
}

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.settings-nav-item:hover {
  background: color-mix(in srgb, var(--surface-primary) 70%, transparent 30%);
  color: var(--text-primary);
}

.settings-nav-item.is-active,
.settings-nav-item[aria-selected="true"] {
  background: color-mix(in srgb, var(--brand-500) 12%, transparent 88%);
  color: var(--brand-500);
  font-weight: var(--font-semibold);
}

[data-theme="dark"] .settings-nav-item.is-active,
[data-theme="dark"] .settings-nav-item[aria-selected="true"] {
  background: color-mix(in srgb, var(--brand-500) 18%, transparent 82%);
}

.settings-nav-item:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: -2px;
}

.settings-nav-item--danger {
  color: color-mix(in srgb, var(--danger-500) 80%, var(--text-secondary) 20%);
}

.settings-nav-item--danger:hover {
  background: color-mix(in srgb, var(--danger-500) 8%, transparent 92%);
  color: var(--danger-500);
}

.settings-nav-item--danger.is-active,
.settings-nav-item--danger[aria-selected="true"] {
  background: color-mix(in srgb, var(--danger-500) 10%, transparent 90%);
  color: var(--danger-500);
}

.settings-nav-icon {
  font-size: var(--text-base);
  flex-shrink: 0;
  width: 1.1em;
  text-align: center;
  opacity: 0.85;
}

.settings-nav-label {
  flex: 1 1 0;
  min-width: 0;
}

.settings-nav-badge {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-secondary);
  opacity: 0.35;
}

.settings-nav-badge.is-safe {
  background: var(--success-500);
  opacity: 1;
}

.settings-nav-badge.is-risk {
  background: var(--danger-500);
  opacity: 1;
}

/* Sidebar vault status pinned to bottom */
.settings-sidebar-status {
  margin-top: auto;
  padding: var(--space-3) var(--space-3) var(--space-2);
  border-top: 1px solid var(--border-primary);
  display: grid;
  gap: 2px;
}

.settings-sidebar-status-line {
  margin: 0;
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.45;
  opacity: 0.7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Panels container ── */
.settings-panels {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

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

.settings-panel[hidden] {
  display: none;
}

/* ── Panel header ── */
.settings-panel-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--border-primary);
  flex-shrink: 0;
}

.settings-panel-icon {
  font-size: var(--text-xl);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.8;
}

.settings-panel-header--danger .settings-panel-icon {
  color: var(--danger-500);
  opacity: 1;
}

.settings-panel-title {
  margin: 0 0 2px;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.settings-panel-header--danger .settings-panel-title {
  color: var(--danger-500);
}

.settings-panel-desc {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* ── Panel body ── */
.settings-panel-body {
  padding: var(--space-4) var(--space-5);
  display: grid;
  gap: var(--space-4);
  width: min(100%, 780px);
  min-width: 0;
}

.settings-panel-body--sharing {
  width: 100%;
  max-width: none;
}

/* ── Field groups ── */
.settings-field-group {
  display: grid;
  gap: var(--space-2);
}

.settings-data-utility-grid {
  display: grid;
  gap: var(--space-3);
}

.settings-data-utility-note {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--brand-500) 14%, var(--border-primary) 86%);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--brand-500) 5%, var(--surface-primary) 95%);
}

.settings-data-utility-note .btn {
  justify-self: flex-start;
}

.settings-field-label {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.settings-field-desc {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.settings-checkbox-row {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  justify-self: start;
  min-height: 0;
  padding: 0.35rem 0.55rem 0.35rem 0.45rem;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-secondary) 78%, transparent);
  color: var(--text-primary);
  cursor: pointer;
}

.settings-checkbox-row input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--brand-500);
  cursor: pointer;
  flex: 0 0 auto;
}

.settings-checkbox-row span {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.sharing-destination-manager {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(7.1rem, 8rem) minmax(0, 1.18fr);
  align-items: start;
  gap: 1rem;
  margin-top: var(--space-3);
}

.sharing-destination-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.9rem;
  border: 1px solid color-mix(in srgb, var(--border-primary) 84%, transparent);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-primary) 96%, var(--surface-elevated) 4%),
      color-mix(in srgb, var(--surface-primary) 88%, var(--surface-secondary) 12%));
  box-shadow: 0 14px 30px rgb(15 23 42 / 0.05);
}

.sharing-destination-column:last-child {
  border-color: color-mix(in srgb, var(--brand-500) 26%, var(--border-primary));
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--brand-500) 4%, var(--surface-primary)),
      color-mix(in srgb, var(--brand-500) 2%, var(--surface-secondary)));
  box-shadow: 0 18px 32px rgb(59 130 246 / 0.08);
}

.sharing-destination-column-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.sharing-destination-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: 0.7rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border-primary) 76%, transparent);
}

.sharing-destination-column-header h5 {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.sharing-destination-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 1.5rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-500) 16%, var(--surface-secondary));
  color: color-mix(in srgb, var(--text-primary) 78%, var(--brand-500) 22%);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.sharing-destination-list {
  width: 100%;
  min-height: 16rem;
  max-height: 18.5rem;
  overflow: auto;
  padding: 0.42rem;
  border: 1px solid color-mix(in srgb, var(--border-primary) 86%, transparent);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-primary) 96%, var(--surface-elevated) 4%),
      color-mix(in srgb, var(--surface-primary) 90%, var(--surface-secondary) 10%));
  color: var(--text-primary);
  font: inherit;
  line-height: var(--leading-normal);
  box-shadow: inset 0 1px 2px rgb(15 23 42 / 0.05), inset 0 1px 0 rgb(255 255 255 / 0.24);
  display: grid;
  align-content: start;
  gap: 0.38rem;
  scrollbar-gutter: stable;
}

.sharing-destination-list:focus-visible {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.14);
}

.sharing-destination-empty {
  padding: 1rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px dashed color-mix(in srgb, var(--border-primary) 78%, transparent);
  background: color-mix(in srgb, var(--surface-secondary) 72%, transparent);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.sharing-destination-column:first-child .sharing-destination-empty {
  min-height: 7.5rem;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-secondary) 84%, transparent),
      color-mix(in srgb, var(--surface-secondary) 72%, var(--surface-primary) 28%));
  color: color-mix(in srgb, var(--text-secondary) 88%, var(--text-tertiary) 12%);
}

.sharing-destination-item {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.62rem;
  padding: 0.56rem 0.66rem;
  border: 1px solid color-mix(in srgb, var(--border-primary) 82%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-primary) 94%, var(--surface-secondary) 6%);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background 160ms ease;
}

.sharing-destination-item.is-included {
  grid-template-columns: auto auto minmax(0, 1fr);
}

.sharing-destination-item:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand-500) 28%, var(--border-primary));
  box-shadow: 0 10px 24px rgb(15 23 42 / 0.06);
}

.sharing-destination-item.is-dragging {
  opacity: 0.62;
  box-shadow: none;
}

.sharing-destination-item.is-selected {
  border-color: color-mix(in srgb, var(--brand-500) 54%, var(--border-primary));
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--brand-500) 11%, var(--surface-primary)),
      color-mix(in srgb, var(--brand-500) 7%, var(--surface-secondary)));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand-500) 18%, transparent), 0 10px 24px rgb(59 130 246 / 0.08);
}

.sharing-destination-item.is-drop-target,
.sharing-destination-list.is-drop-target {
  border-color: color-mix(in srgb, var(--brand-500) 68%, var(--border-primary));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand-500) 18%, transparent);
}

.sharing-destination-item:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.sharing-destination-item-chrome {
  width: 1.75rem;
  display: grid;
  justify-items: center;
  gap: 0.04rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.sharing-destination-item-order {
  font-size: 0.64rem;
  line-height: 1;
  font-weight: var(--font-semibold);
  font-variant-numeric: tabular-nums;
}

.sharing-destination-item-drag {
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: -0.12em;
}

.sharing-destination-item-icon {
  width: 1.9rem;
  height: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 999px;
  background:
    radial-gradient(circle at top, rgb(255 255 255 / 0.58), transparent 62%),
    color-mix(in srgb, var(--brand-500) 12%, var(--surface-secondary));
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: var(--font-semibold);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.28);
}

.sharing-destination-item-icon.is-asset-icon {
  color: transparent;
  font-size: 0;
}

.sharing-destination-item-icon img {
  width: 1.14rem;
  height: 1.14rem;
  object-fit: contain;
}

.sharing-destination-item-icon img[data-icon-mode="monochrome"] {
  filter: grayscale(1) saturate(0) brightness(0.32) contrast(1.28);
}

:root[data-theme="dark"] .sharing-destination-item-icon img[data-icon-mode="monochrome"] {
  filter: grayscale(1) saturate(0) brightness(2.55) contrast(0.92);
}

.sharing-destination-item-icon.is-bare-asset-icon {
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.sharing-destination-item-icon.is-bare-asset-icon img {
  width: 1.24rem;
  height: 1.24rem;
}

.sharing-destination-item[data-destination-id="vscode-insiders"] .sharing-destination-item-icon::after {
  content: 'I';
  position: absolute;
  right: -0.06rem;
  bottom: -0.04rem;
  min-width: 0.68rem;
  height: 0.68rem;
  padding: 0 0.13rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--brand-500) 76%, var(--surface-secondary));
  color: var(--text-inverse);
  font-size: 0.45rem;
  font-weight: var(--font-semibold);
  line-height: 1;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--surface-primary) 88%, transparent);
}

.sharing-destination-item-content {
  min-width: 0;
  display: grid;
  gap: 0.12rem;
}

.sharing-destination-item-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem;
}

.sharing-destination-item-label {
  min-width: 0;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: var(--font-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sharing-destination-item-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.3rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-500) 12%, var(--surface-secondary));
  color: color-mix(in srgb, var(--text-primary) 74%, var(--brand-600) 26%);
  font-size: 0.71rem;
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.sharing-destination-item-hint {
  color: var(--text-tertiary);
  font-size: 0.76rem;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sharing-destination-column:last-child .sharing-destination-item-label {
  color: color-mix(in srgb, var(--text-primary) 90%, var(--brand-700) 10%);
}

.sharing-destination-column:last-child .sharing-destination-item-hint {
  color: color-mix(in srgb, var(--text-secondary) 82%, var(--text-tertiary) 18%);
}

.sharing-destination-controls {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  justify-self: center;
  width: min(100%, 8rem);
  gap: 0.5rem;
  align-self: center;
  padding: 0.18rem;
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--surface-secondary) 76%, transparent);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.2);
}

.sharing-destination-controls .btn {
  min-width: 0;
  justify-content: center;
  min-height: 2.35rem;
  padding-inline: 0.6rem;
  border-radius: 999px;
  font-weight: var(--font-semibold);
  white-space: nowrap;
}

/* Data panel: normalise file-btn label to match btn-sm */
.settings-data-action-row label.file-btn {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  min-height: 32px;
  transform: none;
}

.settings-data-action-row label.file-btn:hover {
  transform: translateY(-1px);
}

/* ── Data panel action rows ── */
.settings-data-action-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--surface-secondary);
}

.settings-data-action-info {
  flex: 1 1 0;
  min-width: 0;
}

.settings-data-action-title {
  margin: 0 0 2px;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.settings-data-action-desc {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ── Appearance panel: 3-column theme toggle ── */
.settings-modal .settings-theme-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  max-width: 100%;
  align-self: flex-start;
  gap: var(--space-2);
}

.settings-modal .settings-theme-option {
  width: 100%;
  min-width: 0;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.settings-modal .settings-theme-option.is-active {
  background: var(--gradient-brand);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
  border-color: transparent;
}

/* ── General panel: view toggle ── */
.settings-modal .viewToggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  align-self: flex-start;
}

.settings-modal .viewToggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.settings-modal .viewToggle label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
  background: var(--surface-primary);
  transition: var(--transition-fast);
  cursor: pointer;
}

.settings-modal .viewToggle input[type="radio"]:checked + label {
  background: var(--gradient-brand);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
  border-color: transparent;
}

/* ── Danger panel ── */
.settings-modal .settings-danger-actions {
  display: flex;
  gap: var(--space-2);
}

.settings-modal .settings-danger-actions #resetBtn {
  border-style: dashed;
}

/* ── Modal footer ── */
.settings-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-primary);
  flex-shrink: 0;
  gap: var(--space-2);
}

.settings-modal-footer .btn {
  width: auto;
  min-width: 0;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* ── Responsive: stack on narrow screens ── */
@media (max-width: 580px) {
  .settings-modal .modal-content {
    max-height: 95vh;
  }

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

  .settings-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-primary);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 0.4rem;
    padding: 0.5rem 0.6rem;
    overflow: visible;
    background:
      linear-gradient(180deg,
        color-mix(in srgb, var(--surface-secondary) 92%, transparent 8%),
        color-mix(in srgb, var(--surface-primary) 90%, transparent 10%)
      );
  }

  .settings-nav-group-label,
  .settings-sidebar-status {
    grid-column: 1 / -1;
  }

  .settings-sidebar::-webkit-scrollbar {
    display: none;
  }

  .settings-nav-item {
    width: 100%;
    min-height: 2.5rem;
    padding: 0.46rem 0.72rem;
    border: 1px solid color-mix(in srgb, var(--border-primary) 85%, transparent 15%);
    border-radius: 14px;
    white-space: normal;
    background: color-mix(in srgb, var(--surface-primary) 92%, transparent 8%);
    box-shadow: 0 1px 0 color-mix(in srgb, var(--surface-primary) 80%, transparent 20%);
  }

  .settings-nav-item--danger {
    grid-column: 1 / -1;
  }

  .settings-nav-item:hover {
    background: color-mix(in srgb, var(--surface-primary) 97%, var(--brand-500) 3%);
  }

  .settings-nav-item.is-active,
  .settings-nav-item[aria-selected="true"] {
    border-color: color-mix(in srgb, var(--brand-500) 32%, transparent 68%);
    background: color-mix(in srgb, var(--brand-500) 12%, var(--surface-primary) 88%);
  }

  .settings-nav-item--danger.is-active,
  .settings-nav-item--danger[aria-selected="true"] {
    border-color: color-mix(in srgb, var(--danger-500) 28%, transparent 72%);
    background: color-mix(in srgb, var(--danger-500) 10%, var(--surface-primary) 90%);
  }

  .sharing-destination-manager {
    grid-template-columns: 1fr;
  }

  .sharing-destination-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
  }
}

.reference-confirm-modal {
  max-width: none;
  max-height: none;
  overflow: visible;
  width: auto;
  height: auto;
}

.reference-confirm-modal.show {
  padding: 0;
}

.reference-confirm-modal .modal-content {
  width: min(92vw, 520px);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.reference-confirm-modal .modal-content h3 {
  margin: 0;
  font-size: var(--text-lg);
}

.reference-confirm-modal .modal-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.reference-confirm-modal .modal-buttons {
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* Legacy .settings-section used in Backup panel body */
.settings-modal .settings-section {
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.settings-modal .settings-section:last-of-type {
  margin-bottom: 0;
}

.settings-modal .settings-section-data-safety {
  display: grid;
  gap: var(--space-3);
}

.settings-modal .data-safety-intro {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.settings-modal .data-safety-status-card {
  gap: var(--space-4);
}

.settings-modal .data-safety-status-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.settings-modal .data-safety-status-eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-modal .data-safety-status-lines {
  display: grid;
  gap: var(--space-2);
}

.settings-modal #vaultPermissionStatus {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-style: italic;
}

.settings-modal .data-safety-help {
  border: 1px solid color-mix(in srgb, var(--border-primary) 88%, var(--brand-500) 12%);
  border-radius: calc(var(--radius-lg) + 2px);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-primary) 92%, transparent 8%),
      color-mix(in srgb, var(--surface-secondary) 88%, var(--surface-primary) 12%)
    );
  overflow: hidden;
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-primary) 82%, transparent 18%);
}

.settings-modal .data-safety-help[open] {
  border-color: color-mix(in srgb, var(--brand-500) 34%, var(--border-primary) 66%);
}

.settings-modal .data-safety-help summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.settings-modal .data-safety-help summary::-webkit-details-marker {
  display: none;
}

.settings-modal .data-safety-help summary::after {
  content: '+';
  float: right;
  color: var(--text-secondary);
}

.settings-modal .data-safety-help[open] summary::after {
  content: '\2212';
}

.settings-modal .data-safety-help summary:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: -2px;
}

.settings-modal .data-safety-help-content {
  display: grid;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
}

.settings-modal .data-safety-help-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.settings-modal .data-safety-config-panel {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--brand-500) 16%, var(--border-primary) 84%);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg,
      color-mix(in srgb, var(--brand-500) 10%, var(--surface-primary) 90%),
      color-mix(in srgb, var(--surface-secondary) 78%, var(--surface-primary) 22%)
    );
  box-shadow: 0 14px 28px color-mix(in srgb, var(--brand-500) 10%, transparent 90%);
}

.settings-modal .data-safety-mode-label {
  display: inline-block;
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.settings-modal .data-safety-mode-select {
  max-width: 22rem;
  font-size: var(--text-sm);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.settings-modal .data-safety-mode-hint {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.settings-modal .data-safety-status {
  margin-top: 0;
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--border-primary) 84%, var(--brand-500) 16%);
  border-radius: calc(var(--radius-lg) + 2px);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-primary) 95%, transparent 5%),
      color-mix(in srgb, var(--surface-secondary) 88%, var(--surface-primary) 12%)
    );
  display: grid;
  gap: var(--space-2);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-primary) 84%, transparent 16%);
}

.settings-modal .data-safety-status p {
  margin: 0;
  font-size: var(--text-sm);
}

.settings-modal .data-safety-status #vaultConnectionStatus,
.settings-modal .data-safety-status #vaultLastSaveStatus {
  font-size: 16px;
}

.settings-modal .data-safety-status #vaultConnectionStatus {
  background-clip: unset;
  -webkit-background-clip: unset;
  color: var(--text-primary);
}

.settings-modal .data-safety-status-safe {
  border-color: color-mix(in srgb, var(--success-500) 55%, var(--border-primary) 45%);
}

.settings-modal .data-safety-status-risk {
  border-color: color-mix(in srgb, var(--danger-500) 55%, var(--border-primary) 45%);
}

.settings-modal .data-safety-risk.is-safe {
  color: var(--success-500);
}

.settings-modal .data-safety-risk.is-risk {
  color: var(--danger-500);
  font-weight: var(--font-semibold);
}

.settings-modal .data-safety-step-label {
  margin: 0 0 var(--space-1);
  color: var(--brand-600);
  font-size: 0.72rem;
  font-weight: var(--font-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-modal .data-safety-actions-structured {
  display: grid;
  gap: var(--space-3);
}

.settings-modal .data-safety-action-group {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid color-mix(in srgb, var(--border-primary) 88%, var(--brand-500) 12%);
  border-radius: calc(var(--radius-lg) + 2px);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface-primary) 92%, transparent 8%),
      color-mix(in srgb, var(--surface-secondary) 86%, var(--surface-primary) 14%)
    );
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-primary) 82%, transparent 18%);
}

.settings-modal .data-safety-action-group--setup {
  border-color: color-mix(in srgb, var(--brand-500) 24%, var(--border-primary) 76%);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--brand-500) 8%, var(--surface-primary) 92%),
      color-mix(in srgb, var(--surface-secondary) 84%, var(--surface-primary) 16%)
    );
}

.settings-modal .data-safety-action-group--fallback {
  border-color: color-mix(in srgb, var(--warning-400) 20%, var(--border-primary) 80%);
}

.settings-modal .data-safety-action-group-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
}

.settings-modal .data-safety-action-group-title {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  letter-spacing: 0.01em;
}

.settings-modal .data-safety-action-group-copy {
  margin: var(--space-1) 0 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.settings-modal .data-safety-action-group-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 var(--space-2);
  border: 1px solid color-mix(in srgb, var(--brand-500) 20%, var(--border-primary) 80%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-500) 8%, var(--surface-primary) 92%);
  color: color-mix(in srgb, var(--text-primary) 80%, var(--brand-700) 20%);
  font-size: 0.72rem;
  font-weight: var(--font-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.settings-modal .data-safety-actions {
  margin-top: 0;
}

.settings-modal .data-safety-actions.action-grid {
  width: 100%;
}

.settings-modal .data-safety-actions.action-grid .btn {
  white-space: normal;
  line-height: 1.25;
  min-height: 3.25rem;
}

/* Legacy .settings-actions inside data-safety action groups (Backup panel) */
.settings-modal .settings-section-data-safety .settings-actions {
  display: grid;
  align-items: stretch;
  gap: var(--space-2);
  width: 100%;
}

.settings-modal .settings-section-data-safety .action-grid--duo {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-modal .settings-section-data-safety .action-grid--trio {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.settings-modal .settings-section-data-safety .settings-actions.action-grid:not(.action-grid--duo):not(.action-grid--trio) {
  grid-template-columns: minmax(0, 1fr);
}

.settings-modal .settings-section-data-safety .settings-actions .btn,
.settings-modal .settings-section-data-safety .settings-actions .file-btn {
  width: 100%;
  min-width: 0;
  padding: 0.9rem var(--space-3);
  font-size: var(--text-sm);
  justify-content: center;
  text-align: center;
  white-space: normal;
}

.settings-modal .settings-section-data-safety .action-grid--duo .btn:first-child {
  box-shadow: 0 10px 20px color-mix(in srgb, var(--brand-500) 14%, transparent 86%);
}

.settings-modal .data-safety-advanced-list {
  display: grid;
  gap: var(--space-3);
}

.settings-modal .data-safety-advanced-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--border-primary) 92%, var(--brand-500) 8%);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface-primary) 78%, var(--surface-secondary) 22%);
}

.settings-modal .data-safety-advanced-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.settings-modal .data-safety-advanced-title {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

.settings-modal .data-safety-advanced-desc {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.settings-modal .data-safety-advanced-control {
  display: flex;
  justify-content: flex-end;
  width: min(100%, 15rem);
  min-width: 8rem;
}

.settings-modal .data-safety-mode-select,
.settings-modal .data-safety-rotation-input {
  width: 100%;
}

.settings-modal .data-safety-rotation-input {
  max-width: 6.5rem;
  text-align: center;
}

.settings-modal .data-safety-advanced-actions {
  width: min(100%, 18rem);
  justify-self: end;
}

.settings-modal .data-safety-advanced-note {
  padding-inline: var(--space-1);
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
}

.settings-modal .vault-integrity-status {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-modal .vault-integrity-untested {
  color: var(--text-tertiary);
  font-style: italic;
}

.settings-modal .vault-integrity-ok {
  color: var(--success-fg, #16a34a);
  font-weight: var(--font-semibold, 600);
}

.settings-modal .vault-integrity-warn {
  color: var(--warning-fg, #d97706);
  font-weight: var(--font-semibold, 600);
}

.settings-modal .vault-integrity-meta {
  color: var(--text-tertiary);
}

.data-safety-restore-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(2px);
  z-index: 11000;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.data-safety-restore-panel {
  width: min(92vw, 540px);
  background: var(--surface-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.data-safety-restore-panel,
.data-safety-history-panel,
.data-safety-connect-panel {
  position: relative;
}

.data-safety-restore-panel h3,
.data-safety-restore-panel p {
  margin: 0;
}

.data-safety-restore-panel h3 {
  font-size: var(--text-lg);
}

.data-safety-restore-panel p {
  color: var(--text-secondary);
}

.data-safety-restore-summary {
  color: var(--text-primary);
  font-size: var(--text-sm);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--brand-500) 12%, var(--border-primary) 88%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--brand-500) 5%, var(--surface-primary) 95%);
}

.data-safety-restore-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.data-safety-history-panel {
  width: min(92vw, 540px);
  background: var(--surface-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.data-safety-history-panel h3,
.data-safety-history-panel p {
  margin: 0;
}

.data-safety-history-panel h3 {
  font-size: var(--text-lg);
}

.data-safety-history-panel p {
  color: var(--text-secondary);
}

.vault-history-list {
  max-height: 320px;
  overflow-y: auto;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.vault-history-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--surface-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.vault-history-item:hover {
  border-color: var(--brand-500);
}

.vault-history-item:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

.vault-history-item.is-selected {
  border-color: var(--brand-500);
  background: color-mix(in srgb, var(--brand-500) 8%, var(--surface-primary));
}

.vault-history-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
}

.vault-history-item-time {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.vault-history-item-meta {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.vault-history-item-checksum {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
  font-family: var(--font-mono, monospace);
}

.data-safety-history-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Version History split layout */
.data-safety-history-panel--split {
  max-width: 800px;
  width: 90vw;
}

.vault-history-columns {
  display: flex;
  gap: var(--spacing-md, 1rem);
  min-height: 300px;
  max-height: 60vh;
}

.vault-history-left {
  flex: 0 0 40%;
  overflow-y: auto;
}

.vault-history-right {
  flex: 1;
  overflow-y: auto;
  border-left: 1px solid var(--border-primary, var(--color-border, #e5e7eb));
  padding-left: var(--spacing-md, 1rem);
}

.vault-history-preview-empty {
  color: var(--text-secondary, var(--color-text-muted, #6b7280));
  font-style: italic;
  padding: var(--spacing-md, 1rem);
}

.vault-history-preview-header {
  padding-bottom: var(--spacing-sm, 0.5rem);
  border-bottom: 1px solid var(--border-primary, var(--color-border, #e5e7eb));
  margin-bottom: var(--spacing-sm, 0.5rem);
}

.vault-recovery-recommendation {
  display: block;
  margin: 0 0 var(--spacing-sm, 0.5rem);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.45;
  color: var(--brand-700);
}

.vault-history-preview-diff {
  padding: var(--spacing-xs, 0.25rem) 0;
  font-size: var(--font-size-sm, 0.875rem);
}

.vault-history-diff-added {
  color: var(--color-success, #22c55e);
  margin: 0;
}

.vault-history-diff-lost {
  color: var(--color-danger, #ef4444);
  margin: 0;
}

.vault-history-diff-badge {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--text-secondary, var(--color-text-muted, #6b7280));
  padding: 2px 6px;
  border-radius: var(--radius-sm, 4px);
  background: var(--surface-secondary, var(--color-bg-muted, #f3f4f6));
}

.vault-history-preview-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.25rem);
}

.vault-history-preview-item {
  padding: var(--spacing-xs, 0.25rem) var(--spacing-sm, 0.5rem);
  border-radius: var(--radius-sm, 4px);
  font-size: var(--font-size-sm, 0.875rem);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--spacing-xs, 0.25rem);
}

.vault-history-preview-item.is-new {
  background: var(--color-success-surface, #f0fdf4);
}

.vault-history-preview-title {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 70%;
  flex-shrink: 1;
  min-width: 0;
}

.vault-history-preview-badge {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-success, #22c55e);
  font-weight: 600;
}

.vault-history-preview-body {
  color: var(--text-secondary, var(--color-text-muted, #6b7280));
  font-size: var(--font-size-xs, 0.75rem);
  width: 100%;
}

.vault-history-preview-more {
  color: var(--text-secondary, var(--color-text-muted, #6b7280));
  font-style: italic;
  font-size: var(--font-size-sm, 0.875rem);
}

/* Mobile: stack columns */
@media (max-width: 768px) {
  .vault-history-columns {
    flex-direction: column;
  }
  .vault-history-left {
    flex: none;
    max-height: 200px;
  }
  .vault-history-right {
    border-left: none;
    border-top: 1px solid var(--border-primary, var(--color-border, #e5e7eb));
    padding-left: 0;
    padding-top: var(--spacing-md, 1rem);
  }
}

.data-safety-connect-panel {
  width: min(92vw, 560px);
  background: var(--surface-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.data-safety-connect-panel h3,
.data-safety-connect-panel p {
  margin: 0;
}

.data-safety-connect-panel h3 {
  font-size: var(--text-lg);
}

.data-safety-connect-panel p {
  color: var(--text-secondary);
}

.data-safety-connect-summary {
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--brand-500) 16%, var(--border-primary) 84%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--brand-500) 8%, var(--surface-primary) 92%);
  color: var(--text-primary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.data-safety-connect-summary strong {
  color: var(--text-primary);
}

.data-safety-connect-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .data-safety-connect-actions {
    flex-direction: column;
  }
  .data-safety-connect-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

.modal-sm { width: 400px; }
.modal-md { width: 600px; }
.modal-lg { width: 800px; }
.modal-xl { width: 1200px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--border-primary);
  background: var(--surface-secondary);
}

/* === TOAST NOTIFICATIONS === */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-notification);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 300px;
  max-width: 400px;
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  background: var(--surface-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: slideInRight 0.3s ease;
}

.toast-success {
  border-left: 4px solid var(--success-500);
}

.toast-info {
  border-left: 4px solid var(--brand-500);
}

.toast-warning {
  border-left: 4px solid var(--warning-500);
}

.toast-danger {
  border-left: 4px solid var(--danger-500);
}

.toast-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.toast-close {
  flex-shrink: 0;
  cursor: pointer;
  opacity: 0.5;
  transition: var(--transition-fast);
}

.toast-close:hover {
  opacity: 1;
}

/* === LOADING STATES === */

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-secondary) 0%,
    var(--surface-tertiary) 50%,
    var(--surface-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--space-2);
}

.skeleton-title {
  height: 24px;
  width: 50%;
  margin-bottom: var(--space-3);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-button {
  width: 100px;
  height: 40px;
  border-radius: var(--radius-lg);
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--surface-tertiary);
  border-top-color: var(--brand-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 24px;
  height: 24px;
  border-width: 3px;
}

.spinner-lg {
  width: 56px;
  height: 56px;
  border-width: 5px;
}

/* Loading Dots */
.loading-dots {
  display: inline-flex;
  gap: var(--space-1);
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--brand-500);
  border-radius: var(--radius-full);
  animation: loadingDot 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0; }

/* Loading Bar */
.loading-bar {
  position: relative;
  height: 4px;
  background: var(--surface-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loading-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-brand);
  animation: loadingBar 1.5s ease-in-out infinite;
}

/* === TAGS === */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--surface-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: var(--transition-fast);
  cursor: default;
}

.tag:hover {
  background: var(--surface-tertiary);
}

.tag[data-filter-tag] {
  cursor: pointer;
  text-align: left;
}

.tag[data-filter-tag]:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.tag-dismissible {
  cursor: pointer;
}

.tag-dismissible:hover {
  background: var(--danger-100);
  border-color: var(--danger-300);
  color: var(--danger-700);
}

.tag-close {
  margin-left: var(--space-1);
  cursor: pointer;
  opacity: 0.5;
}

.tag-close:hover {
  opacity: 1;
}

/* === NEW PROMPT INTERPOLATOR === */

#promptForm .interpolator-panel {
  margin: 0;
  padding: 0;
  border: 1px solid var(--app-shell-section-border);
  border-radius: 16px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--brand-100) 48%, transparent) 0%, transparent 36%),
    linear-gradient(180deg, color-mix(in srgb, var(--brand-50) 22%, var(--app-shell-section-bg) 78%) 0%, color-mix(in srgb, var(--surface-primary) 88%, var(--app-shell-section-bg) 12%) 100%);
  box-shadow: 0 20px 40px -34px rgb(15 23 42 / 0.28);
  overflow: hidden;
}

#promptForm .interpolator-panel[hidden],
#promptForm .interpolator-fields-card[hidden],
#promptForm .interpolator-preview-wrap[hidden] {
  display: none !important;
}

#promptForm .interpolator-disclosure {
  display: grid;
}

#promptForm .interpolator-disclosure-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.9rem;
  margin: 0;
  padding: 1.04rem 1.04rem 0.98rem;
}

#promptForm .interpolator-disclosure-summary::-webkit-details-marker {
  display: none;
}

#promptForm .interpolator-disclosure-copy {
  min-width: 0;
}

#promptForm .interpolator-disclosure-heading-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.56rem;
  margin-bottom: 0.22rem;
}

#promptForm .interpolator-summary-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.12rem 0.6rem;
  border: 1px solid color-mix(in srgb, var(--brand-300) 55%, var(--app-shell-pill-active-border) 45%);
  border-radius: 999px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand-50) 75%, white 25%) 0%, color-mix(in srgb, var(--brand-100) 56%, white 44%) 100%);
  color: var(--brand-700);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.75);
  font-family: var(--font-editorial-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#promptForm .interpolator-disclosure-toggle {
  position: relative;
  flex: 0 0 auto;
  inline-size: 2rem;
  block-size: 2rem;
  border: 1px solid var(--app-shell-button-border);
  border-radius: 999px;
  background: var(--app-shell-button-bg);
  box-shadow: var(--app-shell-button-shadow);
}

#promptForm .interpolator-disclosure-toggle::before,
#promptForm .interpolator-disclosure-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  inline-size: 0.7rem;
  block-size: 1.5px;
  border-radius: 999px;
  background: var(--app-shell-button-text);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast) ease-out, opacity var(--transition-fast) ease-out;
}

#promptForm .interpolator-disclosure-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

#promptForm .interpolator-disclosure[open] .interpolator-disclosure-toggle::after {
  opacity: 0;
}

#promptForm .interpolator-disclosure-body {
  display: grid;
  gap: 0.82rem;
  padding: 0 1.04rem 1.04rem;
  border-top: 1px solid color-mix(in srgb, var(--app-shell-rule) 56%, transparent);
}

#promptForm .interpolator-card {
  display: grid;
  gap: 0.72rem;
  padding: 0.96rem 1rem;
  border: 1px solid color-mix(in srgb, var(--app-shell-section-border) 74%, transparent);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-primary) 88%, white 12%);
  box-shadow: 0 16px 28px -30px rgb(15 23 42 / 0.28);
}

#promptForm .interpolator-header-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}

#promptForm .interpolator-header-main {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

#promptForm .interpolator-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

#promptForm .interpolator-header-row h4 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

#promptForm .interpolator-header-meta {
  margin: 0;
  color: color-mix(in srgb, var(--text-secondary) 84%, var(--brand-700) 16%);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#promptForm .interpolator-help {
  border: 1px solid color-mix(in srgb, var(--border-primary) 82%, var(--brand-100) 18%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-secondary) 82%, white 18%);
  overflow: hidden;
  align-self: start;
  min-width: min(100%, 220px);
}

#promptForm .interpolator-help[open] {
  border-color: color-mix(in srgb, var(--brand-500) 45%, var(--border-primary) 55%);
}

#promptForm .interpolator-help summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
}

#promptForm .interpolator-help summary::-webkit-details-marker {
  display: none;
}

#promptForm .interpolator-help summary::after {
  content: '+';
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1;
}

#promptForm .interpolator-help[open] summary::after {
  content: '\2212';
}

#promptForm .interpolator-help summary:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: -2px;
}

#promptForm .interpolator-help-content {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0 var(--space-3) var(--space-3);
}

#promptForm .interpolator-help-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.45;
}

#promptForm .interpolator-help-content code {
  padding: 0 var(--space-1);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

#promptForm .interpolator-note {
  margin: 0;
  color: var(--app-shell-copy);
  font-size: var(--text-xs);
  line-height: 1.46;
}

#promptForm .interpolator-fields-card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-primary) 76%, white 24%) 0%, color-mix(in srgb, var(--surface-secondary) 18%, var(--surface-primary) 82%) 100%);
}

#promptForm .interpolator-card-label {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#promptForm .interpolator-fields {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-height: 240px;
  overflow: auto;
  padding-right: var(--space-1);
}

#promptForm .interpolator-field {
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

#promptForm .interpolator-label {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

#promptForm .interpolator-input {
  min-height: 40px;
}

#promptForm .interpolator-textarea {
  min-height: 84px;
  resize: vertical;
}

#promptForm .interpolator-preview-wrap {
  display: grid;
  gap: var(--space-2);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-primary) 74%, white 26%) 0%, color-mix(in srgb, var(--brand-50) 12%, var(--surface-secondary) 88%) 100%);
}

#promptForm .interpolator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 0.75rem;
  align-items: start;
}

#promptForm .interpolator-preview-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

#promptForm .interpolator-preview-header h4 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}

#promptForm .interpolator-preview-meta {
  color: var(--text-tertiary);
  font-size: var(--text-xs);
}

#promptForm #interpolatorPreview {
  margin: 0;
  padding: var(--space-3);
  min-height: 156px;
  max-height: 320px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--border-primary) 78%, var(--brand-100) 22%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-elevated) 92%, white 8%) 0%, var(--bg-elevated) 100%);
  color: var(--text-primary);
  line-height: 1.5;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

@media (max-width: 920px) {
  #promptForm .interpolator-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-height: 760px) {
  #promptForm .interpolator-card {
    padding: 0.65rem 0.75rem;
    gap: 0.45rem;
  }

  #promptForm .interpolator-disclosure-summary {
    padding: 0.72rem 0.78rem;
  }

  #promptForm .interpolator-disclosure-body {
    gap: 0.55rem;
    padding: 0 0.78rem 0.78rem;
  }

  #promptForm .interpolator-help summary {
    padding: 0.45rem 0.6rem;
  }

  #promptForm #interpolatorPreview {
    min-height: 90px;
    max-height: 140px;
    padding: 0.7rem;
  }
}

/* === TOOLTIPS === */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: var(--neutral-900);
  color: var(--text-inverse);
  font-size: var(--text-sm);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
  z-index: var(--z-tooltip);
}

.tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--neutral-900);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
}

/* === UTILITY CLASSES === */

/* Spacing */
.p-0 { padding: var(--space-0); }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

/* Gaps */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Text */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-brand { color: var(--text-brand); }
.text-success { color: var(--text-success); }
.text-warning { color: var(--text-warning); }
.text-danger { color: var(--text-danger); }

/* Backgrounds */
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.bg-brand { background: var(--gradient-brand); }
.bg-success { background: var(--gradient-success); }
.bg-warning { background: var(--gradient-warning); }
.bg-danger { background: var(--gradient-danger); }

/* Borders */
.border { border: 1px solid var(--border-primary); }
.border-2 { border: 2px solid var(--border-primary); }
.border-0 { border: none; }
.border-top { border-top: 1px solid var(--border-primary); }
.border-bottom { border-bottom: 1px solid var(--border-primary); }
.border-left { border-left: 1px solid var(--border-primary); }
.border-right { border-right: 1px solid var(--border-primary); }

/* Border Radius */
.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-none { box-shadow: none; }
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }

/* Position */
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* Visibility */
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-move { cursor: move; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* Z-Index */
.z-0 { z-index: var(--z-0); }
.z-10 { z-index: var(--z-10); }
.z-20 { z-index: var(--z-20); }
.z-30 { z-index: var(--z-30); }
.z-40 { z-index: var(--z-40); }
.z-50 { z-index: var(--z-50); }

/* Vault permission warning indicator on settings button */
.has-vault-warning {
  position: relative;
}
.settings-btn-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 18px;
  min-width: max-content;
  padding: 0.12rem 0.42rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: color-mix(in srgb, var(--surface-primary) 88%, transparent);
  color: var(--text-secondary);
  font-family: var(--font-editorial-sans);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.settings-btn-status-badge[hidden] {
  display: none;
}

.vault-sync-saving .settings-btn-status-badge,
.settings-btn-status-badge[data-state="saving"] {
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 14%, var(--surface-primary) 86%);
  border-color: color-mix(in srgb, var(--color-warning, #f59e0b) 38%, transparent);
  color: color-mix(in srgb, var(--color-warning, #f59e0b) 70%, var(--text-primary) 30%);
}

.vault-sync-pending .settings-btn-status-badge,
.settings-btn-status-badge[data-state="pending"] {
  background: color-mix(in srgb, var(--color-warning, #f59e0b) 14%, var(--surface-primary) 86%);
  border-color: color-mix(in srgb, var(--color-warning, #f59e0b) 38%, transparent);
  color: color-mix(in srgb, var(--color-warning, #f59e0b) 70%, var(--text-primary) 30%);
}

.vault-sync-disconnected .settings-btn-status-badge,
.settings-btn-status-badge[data-state="disconnected"] {
  background: color-mix(in srgb, var(--color-danger, #ef4444) 13%, var(--surface-primary) 87%);
  border-color: color-mix(in srgb, var(--color-danger, #ef4444) 34%, transparent);
  color: color-mix(in srgb, var(--color-danger, #ef4444) 62%, var(--text-primary) 38%);
}

@keyframes vault-sync-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Vault onboarding banner */
.vault-onboarding-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm, 0.5rem);
  padding: var(--spacing-sm, 0.5rem) var(--spacing-md, 1rem);
  background: color-mix(in srgb, var(--surface-secondary) 88%, var(--brand-50, #eff6ff) 12%);
  border-bottom: 1px solid var(--border-secondary);
  color: var(--text-secondary);
  font-size: var(--font-size-sm, 0.875rem);
  animation: vault-banner-slide-down 0.3s ease-out;
}

.vault-onboarding-banner[hidden] {
  display: none;
}

.vault-onboarding-text {
  margin: 0;
  flex: 1;
}

.vault-onboarding-link {
  background: none;
  border: none;
  color: inherit;
  text-decoration: underline;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-size: inherit;
}

.vault-onboarding-link:hover {
  opacity: 0.8;
}

.vault-onboarding-dismiss {
  background: none;
  border: none;
  color: inherit;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-xs, 0.25rem);
  line-height: 1;
  opacity: 0.7;
}

.vault-onboarding-dismiss:hover {
  opacity: 1;
}

@keyframes vault-banner-slide-down {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 600px) {
  .vault-onboarding-banner {
    flex-direction: column;
    text-align: center;
  }
}