/**
 * Hard-asset regime archive — index shelf + dated note navigation
 */
.archive-shell {
  width: min(100% - (var(--gutter) * 2), var(--evidence-max));
  margin: 0 auto var(--space-8);
  display: grid;
  gap: var(--space-6);
}

/* --- regime tones ------------------------------------------------------- */
.archive-shell,
.regime-note-nav {
  --tone-improving: var(--color-positive);
  --tone-holding: var(--color-accent);
  --tone-mixed: var(--color-warning);
  --tone-stressed: var(--color-negative);
  --tone-unknown: var(--color-text-faint);
}

[data-tone="improving"] {
  --tone: var(--tone-improving);
}

[data-tone="holding"] {
  --tone: var(--tone-holding);
}

[data-tone="mixed"] {
  --tone: var(--tone-mixed);
}

[data-tone="stressed"] {
  --tone: var(--tone-stressed);
}

[data-tone="unknown"] {
  --tone: var(--tone-unknown);
}

.regime-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 2px var(--space-3);
  border: 1px solid color-mix(in srgb, var(--tone, var(--color-line)) 45%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--tone, var(--color-line)) 12%, transparent);
  color: var(--tone, var(--color-text));
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.regime-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tone, var(--color-text-faint));
}

.regime-pill--demo {
  --tone: var(--color-text-faint);
}

/* --- toolbar ------------------------------------------------------------ */
.archive-toolbar {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

@media (min-width: 900px) {
  .archive-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.archive-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  border: 0;
}

.archive-filters__legend {
  padding: 0;
  margin: 0 var(--space-2) 0 0;
  font-size: var(--text-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  align-self: center;
}

.archive-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: var(--text-small);
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.archive-chip:hover {
  color: var(--color-text);
  border-color: var(--color-line);
}

.archive-chip:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.archive-chip[aria-pressed="true"] {
  color: var(--color-text);
  border-color: color-mix(in srgb, var(--tone, var(--color-accent)) 60%, transparent);
  background: color-mix(in srgb, var(--tone, var(--color-accent)) 14%, transparent);
}

.archive-chip__count {
  font-family: var(--font-data);
  font-size: var(--text-meta);
  color: var(--color-text-faint);
}

.archive-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.archive-search {
  flex: 1 1 200px;
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  border: var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-small);
}

.archive-search::placeholder {
  color: var(--color-text-faint);
}

.archive-search:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.archive-sort {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: var(--text-small);
  cursor: pointer;
}

.archive-sort:hover {
  color: var(--color-text);
}

.archive-sort:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.archive-toolbar__status {
  margin: 0;
  font-size: var(--text-meta);
  color: var(--color-text-faint);
}

/* --- timeline ribbon ---------------------------------------------------- */
.archive-timeline {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--color-surface-raised), var(--color-surface));
}

.archive-timeline__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: baseline;
}

.archive-timeline__title {
  margin: 0;
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.archive-timeline__track {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scrollbar-width: thin;
}

.archive-tick {
  flex: 0 0 auto;
  display: grid;
  gap: var(--space-2);
  justify-items: center;
  min-width: 56px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--color-text-faint);
  font-size: var(--text-meta);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.archive-tick:hover,
.archive-tick:focus-visible {
  background: color-mix(in srgb, var(--tone, var(--color-accent)) 12%, transparent);
  color: var(--color-text);
}

.archive-tick:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.archive-tick__bar {
  width: 100%;
  height: 34px;
  border-radius: var(--radius-xs);
  background: color-mix(in srgb, var(--tone, var(--color-line)) 32%, var(--color-canvas));
  border-bottom: 3px solid var(--tone, var(--color-line));
  align-self: end;
}

.archive-tick[aria-current="page"] {
  background: color-mix(in srgb, var(--tone, var(--color-accent)) 18%, transparent);
  color: var(--color-text);
}

/* --- cards -------------------------------------------------------------- */
/* Author display values beat the UA [hidden] rule, so restate it for filtered nodes. */
.archive-card[hidden],
.archive-group[hidden],
.archive-toolbar[hidden] {
  display: none;
}

.archive-group {
  display: grid;
  gap: var(--space-4);
}

.archive-group__label {
  margin: 0;
  font-size: var(--text-meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.archive-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .archive-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.archive-card {
  position: relative;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: var(--border);
  border-left: 3px solid var(--tone, var(--color-line));
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.archive-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}

.archive-card:focus-within {
  box-shadow: var(--shadow-focus);
}

.archive-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.archive-card__date {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--text-small);
  color: var(--color-text);
}

.archive-card__title {
  margin: 0;
  font-size: var(--text-h3);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.archive-card__title a {
  color: inherit;
  text-decoration: none;
}

.archive-card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.archive-card__title a:hover {
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.archive-card__title a:focus-visible {
  outline: none;
}

.archive-card__summary {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-small);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.archive-scores {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.archive-score {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-1) var(--space-3);
  align-items: center;
  font-size: var(--text-meta);
  color: var(--color-text-muted);
}

.archive-score__value {
  font-family: var(--font-data);
  color: var(--color-text);
}

.archive-score__meter {
  grid-column: 1 / -1;
  height: 4px;
  border-radius: 999px;
  background: var(--color-line-soft);
  overflow: hidden;
}

.archive-score__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-text-faint);
}

.archive-score[data-status="good"] .archive-score__fill {
  background: var(--color-positive);
}

.archive-score[data-status="mixed"] .archive-score__fill {
  background: var(--color-warning);
}

.archive-score[data-status="bad"] .archive-score__fill {
  background: var(--color-negative);
}

.archive-card__links {
  position: relative;
  z-index: 1;
  margin: 0;
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-meta);
  color: var(--color-text-faint);
}

.archive-card__links a {
  color: var(--color-link);
}

.archive-empty {
  margin: 0;
  padding: var(--space-6);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

/* --- note page navigation ---------------------------------------------- */
.regime-note-nav {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

@media (min-width: 820px) {
  .regime-note-nav {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
}

.note-step {
  display: grid;
  gap: 2px;
  padding: var(--space-3);
  border: var(--border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.note-step:hover {
  border-color: var(--color-line);
  background: var(--color-surface-raised);
}

.note-step:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.note-step--next {
  text-align: right;
}

.note-step__label {
  margin: 0;
  font-size: var(--text-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.note-step__value {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--text-small);
}

.note-step--empty {
  border-style: dashed;
  color: var(--color-text-faint);
}

.note-position {
  margin: 0;
  text-align: center;
  font-size: var(--text-meta);
  color: var(--color-text-faint);
}

.note-position a {
  color: var(--color-link);
}

.note-hint {
  margin: 0;
  text-align: center;
  font-size: var(--text-meta);
  color: var(--color-text-faint);
}

.note-hint kbd {
  padding: 1px 5px;
  border: var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--color-canvas);
  font-family: var(--font-data);
  font-size: 0.7rem;
}

@media (prefers-reduced-motion: reduce) {
  .archive-card,
  .archive-chip,
  .note-step {
    transition: none;
  }

  .archive-card:hover {
    transform: none;
  }
}