/* ================================================================
 * Underlayer Component Primitives — Material Design 3
 * All values use design tokens only. No hardcoded colors or sizes.
 * ================================================================ */

/* ─── Layout ──────────────────────────────────────────────── */

.page {
  max-width: var(--layout-content-width);
  width: 100%;
}

.page-wide {
  max-width: var(--layout-max-width);
  width: 100%;
}

/* ─── Top App Bar (Navigation) ────────────────────────────── */

.app-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--layout-nav-height);
  background-color: var(--md-sys-color-surface-container);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-6);
  gap: var(--spacing-6);
  transition: background-color 0.2s ease;
}

.app-bar-title {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-title-large-size);
  font-weight: 600;
  line-height: var(--typescale-title-large-line-height);
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.app-bar-title:hover {
  text-decoration: none;
  color: var(--md-sys-color-primary);
}

.app-bar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  flex: 1;
}

.app-bar-end {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-left: auto;
}

.nav-link {
  font-size: var(--typescale-label-large-size);
  font-weight: var(--typescale-label-large-weight);
  line-height: var(--typescale-label-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-full);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
}

.nav-link[aria-current="page"] {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.nav-section-label {
  font-size: var(--typescale-label-small-size);
  font-weight: var(--typescale-label-small-weight);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.7;
}

/* ─── Theme Toggle ────────────────────────────────────────── */

.theme-toggle {
  background: none;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-full);
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  font-size: var(--typescale-label-medium-size);
  padding: var(--spacing-2) var(--spacing-3);
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
}

/* ─── Main Content Area ───────────────────────────────────── */

.main-content {
  padding: var(--spacing-8) var(--spacing-6);
  max-width: var(--layout-max-width);
  margin: 0 auto;
}

/* ─── Typography Classes ──────────────────────────────────── */

.text-display-large {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-display-large-size);
  line-height: var(--typescale-display-large-line-height);
  font-weight: var(--typescale-display-large-weight);
}

.text-display-medium {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-display-medium-size);
  line-height: var(--typescale-display-medium-line-height);
  font-weight: var(--typescale-display-medium-weight);
}

.text-headline-large {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-headline-large-size);
  line-height: var(--typescale-headline-large-line-height);
  font-weight: var(--typescale-headline-large-weight);
}

.text-headline-medium {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-headline-medium-size);
  line-height: var(--typescale-headline-medium-line-height);
  font-weight: var(--typescale-headline-medium-weight);
}

.text-headline-small {
  font-size: var(--typescale-headline-small-size);
  line-height: var(--typescale-headline-small-line-height);
  font-weight: var(--typescale-headline-small-weight);
}

.text-title-large {
  font-size: var(--typescale-title-large-size);
  line-height: var(--typescale-title-large-line-height);
  font-weight: var(--typescale-title-large-weight);
}

.text-title-medium {
  font-size: var(--typescale-title-medium-size);
  line-height: var(--typescale-title-medium-line-height);
  font-weight: var(--typescale-title-medium-weight);
}

.text-title-small {
  font-size: var(--typescale-title-small-size);
  line-height: var(--typescale-title-small-line-height);
  font-weight: var(--typescale-title-small-weight);
}

.text-body-large {
  font-size: var(--typescale-body-large-size);
  line-height: var(--typescale-body-large-line-height);
  font-weight: var(--typescale-body-large-weight);
}

.text-body-medium {
  font-size: var(--typescale-body-medium-size);
  line-height: var(--typescale-body-medium-line-height);
  font-weight: var(--typescale-body-medium-weight);
}

.text-label-large {
  font-size: var(--typescale-label-large-size);
  line-height: var(--typescale-label-large-line-height);
  font-weight: var(--typescale-label-large-weight);
}

.text-label-medium {
  font-size: var(--typescale-label-medium-size);
  line-height: var(--typescale-label-medium-line-height);
  font-weight: var(--typescale-label-medium-weight);
}

/* Color utilities */
.text-primary   { color: var(--md-sys-color-primary); }
.text-secondary { color: var(--md-sys-color-secondary); }
.text-error     { color: var(--md-sys-color-error); }
.text-muted     { color: var(--md-sys-color-on-surface-variant); }
.text-on-surface { color: var(--md-sys-color-on-surface); }

/* ─── Page headings (h1, h2) ──────────────────────────────── */

.page-title {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-headline-small-size);
  line-height: var(--typescale-headline-small-line-height);
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--spacing-6);
}

.section-heading {
  font-size: var(--typescale-title-medium-size);
  line-height: var(--typescale-title-medium-line-height);
  font-weight: var(--typescale-title-medium-weight);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--spacing-3);
}

.entity-meta {
  font-size: var(--typescale-body-medium-size);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: var(--spacing-4);
}

/* ─── Buttons ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--typescale-font-family);
  font-size: var(--typescale-label-large-size);
  font-weight: var(--typescale-label-large-weight);
  line-height: var(--typescale-label-large-line-height);
  padding: 0.625rem var(--spacing-6);
  text-decoration: none;
  transition: box-shadow 0.2s ease, background-color 0.15s ease;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.btn:hover { text-decoration: none; }

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

/* Filled (primary action) */
.btn-filled {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.btn-filled:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 92%, var(--md-sys-color-on-primary));
  box-shadow: var(--shadow-1);
}

/* Tonal (secondary action) */
.btn-tonal {
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.btn-tonal:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-secondary-container) 92%, var(--md-sys-color-on-secondary-container));
  box-shadow: var(--shadow-1);
}

/* Outlined */
.btn-outlined {
  background-color: transparent;
  border: 1px solid var(--md-sys-color-outline);
  color: var(--md-sys-color-primary);
}

.btn-outlined:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}

/* Text */
.btn-text {
  background-color: transparent;
  color: var(--md-sys-color-primary);
  padding-left: var(--spacing-3);
  padding-right: var(--spacing-3);
}

.btn-text:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}

/* Danger */
.btn-danger {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

.btn-danger:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-error-container) 88%, var(--md-sys-color-on-error-container));
}

/* Sizes */
.btn-sm {
  font-size: var(--typescale-label-medium-size);
  padding: var(--spacing-1) var(--spacing-4);
}

/* ─── Cards ───────────────────────────────────────────────── */

.card {
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Elevated: surface + tonal overlay for depth */
.card-elevated {
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container) 100%, transparent);
  background-image: linear-gradient(var(--elevation-1), var(--elevation-1));
  box-shadow: var(--shadow-1);
}

/* Filled: surface variant */
.card-filled {
  background-color: var(--md-sys-color-surface-container-high);
}

/* Outlined: no fill, just border */
.card-outlined {
  background-color: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.card-interactive {
  cursor: pointer;
  transition: box-shadow 0.2s ease, background-color 0.15s ease;
}

.card-interactive:hover {
  box-shadow: var(--shadow-2);
  background-color: color-mix(in srgb, var(--md-sys-color-surface-container-high) 96%, var(--md-sys-color-primary));
}

/* ─── Form Inputs ─────────────────────────────────────────── */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.field-label {
  font-size: var(--typescale-label-large-size);
  font-weight: var(--typescale-label-large-weight);
  line-height: var(--typescale-label-large-line-height);
  color: var(--md-sys-color-on-surface-variant);
}

.field-hint {
  font-size: var(--typescale-body-small-size);
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.7;
}

.field-error {
  font-size: var(--typescale-body-small-size);
  color: var(--md-sys-color-error);
  min-height: 1rem;
}

.field-input,
.field-textarea,
.field-select {
  width: 100%;
  background-color: var(--md-sys-color-surface-container-high);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--radius-xs);
  color: var(--md-sys-color-on-surface);
  font-family: var(--typescale-font-family);
  font-size: var(--typescale-body-large-size);
  line-height: var(--typescale-body-large-line-height);
  padding: var(--spacing-3) var(--spacing-4);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.field-input::placeholder,
.field-textarea::placeholder {
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.6;
}

.field-input:focus,
.field-textarea:focus,
.field-select:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 1px var(--md-sys-color-primary);
}

.field-textarea {
  resize: vertical;
  min-height: 6rem;
}

/* Search input variant */
.field-search {
  background-color: var(--md-sys-color-surface-container-high);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--radius-full);
  color: var(--md-sys-color-on-surface);
  font-family: var(--typescale-font-family);
  font-size: var(--typescale-body-large-size);
  padding: var(--spacing-3) var(--spacing-5);
  outline: none;
  transition: border-color 0.15s ease;
}

.field-search:focus {
  border-color: var(--md-sys-color-primary);
}

/* ─── Badges ──────────────────────────────────────────────── */

/* Entity type badge (e.g., "Claim", "Source") */
.badge-entity {
  display: inline-flex;
  align-items: center;
  background-color: var(--md-sys-color-surface-container-highest);
  border-radius: var(--radius-xs);
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-label-small-size);
  font-weight: var(--typescale-label-small-weight);
  letter-spacing: 0.06em;
  line-height: var(--typescale-label-small-line-height);
  padding: 2px 6px;
  text-transform: uppercase;
}

/* Claim status badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xs);
  border: 1px solid;
  font-size: var(--typescale-label-small-size);
  font-weight: var(--typescale-label-small-weight);
  letter-spacing: 0.04em;
  padding: 2px 8px;
  text-transform: uppercase;
}

.badge-status-new {
  border-color: var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
}

.badge-status-alleged {
  border-color: var(--md-sys-color-tertiary);
  color: var(--md-sys-color-tertiary);
  background-color: color-mix(in srgb, var(--md-sys-color-tertiary-container) 30%, transparent);
}

.badge-status-verified {
  border-color: color-mix(in srgb, var(--md-sys-color-primary) 80%, transparent);
  color: var(--md-sys-color-primary);
  background-color: color-mix(in srgb, var(--md-sys-color-primary-container) 30%, transparent);
}

/* Source peer review status */
.badge-review-pending {
  border-color: var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
}

.badge-review-approved {
  border-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-primary);
}

.badge-review-flagged {
  border-color: var(--md-sys-color-error);
  color: var(--md-sys-color-error);
}

/* ─── Tags / Pills ────────────────────────────────────────── */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-full);
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-body-small-size);
  padding: 2px var(--spacing-3);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.tag:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-secondary-container) 60%, transparent);
  color: var(--md-sys-color-on-secondary-container);
  text-decoration: none;
  border-color: var(--md-sys-color-secondary-container);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

/* Removable tag (in forms) */
.tag-removable {
  background-color: var(--md-sys-color-secondary-container);
  border: none;
  color: var(--md-sys-color-on-secondary-container);
}

.tag-removable .tag-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.875em;
  line-height: 1;
  opacity: 0.7;
  padding: 0;
}

.tag-removable .tag-remove:hover { opacity: 1; }

/* ─── Code / Monospace ────────────────────────────────────── */

.code-block {
  background-color: var(--md-sys-color-surface-container-highest);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--md-sys-color-on-surface);
  font-family: var(--typescale-font-family-mono);
  font-size: var(--typescale-body-medium-size);
  line-height: 1.6;
  overflow-x: auto;
  padding: var(--spacing-4);
  white-space: pre-wrap;
}

.blockquote {
  border-left: 3px solid var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface-variant);
  font-family: var(--typescale-font-family-serif);
  font-style: italic;
  padding-left: var(--spacing-4);
  margin: 0;
}

/* ─── Dividers ────────────────────────────────────────────── */

.divider {
  border: none;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  margin: 0;
}

.divider-vertical {
  border: none;
  border-left: 1px solid var(--md-sys-color-outline-variant);
  align-self: stretch;
}

/* ─── Loading States ──────────────────────────────────────── */

.loading-text {
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-body-medium-size);
  padding: var(--spacing-4) 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--md-sys-color-outline-variant);
  border-top-color: var(--md-sys-color-primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.skeleton {
  background-color: var(--md-sys-color-surface-container-high);
  border-radius: var(--radius-xs);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

/* ─── Empty & Error States ────────────────────────────────── */

.empty-state {
  color: var(--md-sys-color-on-surface-variant);
  padding: var(--spacing-12) var(--spacing-4);
  text-align: center;
}

.empty-state-title {
  font-size: var(--typescale-title-medium-size);
  font-weight: var(--typescale-title-medium-weight);
  margin-bottom: var(--spacing-2);
}

.error-message {
  background-color: var(--md-sys-color-error-container);
  border-radius: var(--radius-sm);
  color: var(--md-sys-color-on-error-container);
  font-size: var(--typescale-body-medium-size);
  padding: var(--spacing-3) var(--spacing-4);
}

.error-inline {
  color: var(--md-sys-color-error);
  font-size: var(--typescale-body-small-size);
  min-height: 1rem;
}

/* ─── Tooltip ─────────────────────────────────────────────── */

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

.tooltip {
  background-color: var(--md-sys-color-inverse-surface);
  border-radius: var(--radius-xs);
  bottom: calc(100% + var(--spacing-2));
  color: var(--md-sys-color-inverse-on-surface);
  font-size: var(--typescale-label-small-size);
  left: 50%;
  line-height: 1.4;
  max-width: 200px;
  opacity: 0;
  padding: var(--spacing-2) var(--spacing-3);
  pointer-events: none;
  position: absolute;
  transform: translateX(-50%);
  transition: opacity 0.15s ease;
  white-space: nowrap;
  z-index: 200;
}

.tooltip-wrap:hover .tooltip,
.tooltip-wrap:focus-within .tooltip {
  opacity: 1;
}

/* ─── Item Lists (entity rows) ────────────────────────────── */

.item-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--md-sys-color-on-surface);
}

/* ─── Filter tabs (orphan type selector, etc.) ────────────── */

.filter-tab-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.filter-tab {
  background-color: transparent;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-full);
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  font-family: var(--typescale-font-family);
  font-size: var(--typescale-label-large-size);
  font-weight: var(--typescale-label-large-weight);
  padding: var(--spacing-2) var(--spacing-4);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.filter-tab:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
}

.filter-tab[aria-selected="true"],
.filter-tab.active {
  background-color: var(--md-sys-color-secondary-container);
  border-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

/* ─── Entity Link Picker (autocomplete dropdown) ──────────── */

.entity-picker {
  position: relative;
}

.entity-picker-list {
  background-color: var(--md-sys-color-surface-container-high);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  display: none;
  left: 0;
  list-style: none;
  margin: 0;
  max-height: 200px;
  overflow-y: auto;
  padding: var(--spacing-2) 0;
  position: absolute;
  right: 0;
  top: calc(100% + var(--spacing-1));
  z-index: 50;
}

.entity-picker-list.open { display: block; }

.entity-picker-item {
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  font-size: var(--typescale-body-medium-size);
  padding: var(--spacing-2) var(--spacing-4);
  transition: background-color 0.1s ease;
}

.entity-picker-item:hover {
  background-color: color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent);
}

.entity-picker-item.no-results {
  color: var(--md-sys-color-on-surface-variant);
  cursor: default;
}

.entity-picker-item.no-results:hover {
  background-color: transparent;
}

/* ─── Linked item row (in forms) ──────────────────────────── */

.linked-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--md-sys-color-surface-container-high);
  border-radius: var(--radius-xs);
  color: var(--md-sys-color-on-surface);
  font-size: var(--typescale-body-medium-size);
  padding: var(--spacing-2) var(--spacing-3);
}

.linked-item-remove {
  background: none;
  border: none;
  color: var(--md-sys-color-error);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.linked-item-remove:hover { opacity: 1; }

/* ─── Form sections ───────────────────────────────────────── */

.form-section {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-md);
  padding: var(--spacing-4) var(--spacing-5);
}

.form-section + .form-section {
  margin-top: var(--spacing-4);
}

/* ─── Pagination ──────────────────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  justify-content: center;
  padding: var(--spacing-4) 0;
}

.pagination-info {
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-body-medium-size);
}

/* ─── Search bar ──────────────────────────────────────────── */

.search-form {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  align-items: center;
}

/* ─── Login page ──────────────────────────────────────────── */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6);
  background-color: var(--md-sys-color-background);
}

.login-card {
  background-color: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--radius-lg);
  padding: var(--spacing-10) var(--spacing-8);
  width: 100%;
  max-width: 400px;
}

.login-title {
  font-family: var(--typescale-font-family-serif);
  font-size: var(--typescale-headline-medium-size);
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--spacing-2);
  text-align: center;
}

.login-subtitle {
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-body-medium-size);
  text-align: center;
  margin-bottom: var(--spacing-8);
}

/* 6-digit code input row */
.code-input-group {
  display: flex;
  gap: var(--spacing-2);
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

.code-digit {
  width: 3rem;
  height: 3.5rem;
  text-align: center;
  font-size: var(--typescale-headline-small-size);
  font-weight: 600;
  background-color: var(--md-sys-color-surface-container-high);
  border: 2px solid var(--md-sys-color-outline);
  border-radius: var(--radius-sm);
  color: var(--md-sys-color-on-surface);
  outline: none;
  transition: border-color 0.15s ease;
}

.code-digit:focus {
  border-color: var(--md-sys-color-primary);
}

.login-message {
  background-color: var(--md-sys-color-surface-container-highest);
  border-radius: var(--radius-sm);
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--typescale-body-medium-size);
  padding: var(--spacing-3) var(--spacing-4);
  text-align: center;
  margin-bottom: var(--spacing-6);
}