/* History/SupportingViews parity. Every rule is opt-in; Standard is untouched.
   iOS: LiftShape.card 14, content 16, cards 12; SkyFrost / LiftPanelSurface. */
:root:is([data-layout="sky"],[data-layout="aura"]) :is(#history-view,#history-dialog,#tabbar) {
  --history-panel:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.035));
  --history-outline:1px;
  --history-elevation:inset 0 1px 0 rgba(255,255,255,.13);
  color:var(--ink);
}
:root[data-layout="sky"] :is(#history-view,#history-dialog,#tabbar) {
  --history-panel:linear-gradient(rgba(255,255,255,.10),rgba(255,255,255,.10)),rgba(32,63,73,.28);
  --history-elevation:inset 0 1px 0 rgba(255,255,255,.13),0 3px 8px rgba(32,63,73,.12);
}
@media (min-resolution:2dppx) {
  :root:is([data-layout="sky"],[data-layout="aura"]) :is(#history-view,#history-dialog,#tabbar) {--history-outline:.5px}
}
:root[data-layout="sky"] .app-shell:has(#history-view:not(.hidden)) {
  background:radial-gradient(ellipse at 84% 18%,rgba(255,239,208,.16),transparent 65%),radial-gradient(ellipse at 8% 35%,rgba(255,255,255,.13),transparent 40%),linear-gradient(145deg,var(--mesh-0),var(--mesh-4) 55%,var(--mesh-7));
}
:root[data-layout="aura"] .app-shell:has(#history-view:not(.hidden)) {
  background:radial-gradient(ellipse at 50% 230px,rgba(98,94,220,.30),transparent 480px),radial-gradient(ellipse at 85% 120px,rgba(255,170,140,.13),transparent 360px),radial-gradient(ellipse at 10% 560px,rgba(70,160,170,.08),transparent 420px),var(--bg);
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view :is(.history-card,.empty-card),
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog :is(.history-exercise,.history-meta-edit) {
  padding:16px;
  border:var(--history-outline) solid var(--line);
  border-radius:14px;
  background:var(--history-panel);
  box-shadow:var(--history-elevation);
}
:root[data-layout="sky"] #history-view :is(.history-card,.empty-card) {
  /* Repeated backdrop layers on long history lists can exhaust mobile GPU memory. */
  -webkit-backdrop-filter:none;backdrop-filter:none;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-month {margin-bottom:28px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-month>h2 {
  margin:0 0 12px;padding:0 2px;color:var(--ink2);font-size:13px;line-height:1.35;font-weight:600;letter-spacing:.04em;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .card-list {gap:10px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-open {gap:12px;min-width:0}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-card-title {gap:6px;min-height:44px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-card-title strong {font-size:17px;font-weight:600;overflow-wrap:anywhere}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-card-title small {font-size:15px;color:var(--ink2)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-stats {
  display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;color:var(--ink2);
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-preview {
  grid-template-columns:minmax(0,1fr) max-content;gap:12px;font-size:15px;color:var(--ink2);
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-preview b {font-size:15px;font-weight:600}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-preview span {
  white-space:normal;overflow-wrap:anywhere;line-height:1.4;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-preview :nth-child(even) {text-align:right}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .history-card-actions {gap:12px;margin-top:12px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .small-button {
  min-height:44px;border-radius:12px;background:rgba(var(--ink-rgb),.06);color:var(--accent);box-shadow:none;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .empty-card {padding:28px 20px;text-align:center}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .empty-card h2 {margin:0 0 12px;font-size:20px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-view .empty-card p {margin:0;color:var(--ink2);font-size:15px;line-height:1.5}
/* An opaque sheet keeps editable fields legible above either backdrop. */
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog {
  border:var(--history-outline) solid var(--line);border-radius:24px;background:var(--bg);color:var(--ink);
}
:root[data-layout="aura"] #history-dialog {background:linear-gradient(155deg,#211d35,#0b0a12 70%)}
:root[data-layout="sky"] #history-dialog {background:linear-gradient(145deg,#31596b,#203f49)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .sheet {padding:20px;gap:12px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .sheet-head {align-items:center;gap:12px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .sheet-head>div {min-width:0}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .sheet-head h2 {font-size:20px;line-height:1.25;overflow-wrap:anywhere}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog #history-date {font-size:11px;letter-spacing:.04em;line-height:1.4;margin-bottom:6px;color:var(--ink2)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-detail {gap:12px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-meta-edit {gap:12px;margin-bottom:12px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog :is(input,select) {min-width:0;min-height:48px;border-radius:10px;caret-color:var(--accent)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-exercise-name {font-size:17px;font-weight:600}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-muscles span {background:rgba(var(--ink-rgb),.06);color:var(--ink2)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-set-row {
  min-height:48px;gap:6px;padding:2px;border-radius:2px;background:var(--tile);font-variant-numeric:tabular-nums;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-set-row[data-history-completed="1"] {background:var(--complete);color:var(--complete-ink)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog #history-detail .history-set-row :is(input,select) {
  background:transparent;border:0;box-shadow:none;color:inherit;-webkit-text-fill-color:currentColor;font-size:17px;padding:0 4px;
}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-set-head {font-size:11px;letter-spacing:.04em;color:var(--ink2)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-exercise.pending-delete {border-color:var(--danger)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-actions {padding-top:12px;border-top:var(--history-outline) solid var(--line);gap:8px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog :is(.secondary,.small-button,.icon-button) {background:rgba(var(--ink-rgb),.06);color:var(--accent);box-shadow:none;border-radius:12px;min-height:44px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-remove-exercise {color:var(--danger)}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog .history-actions button {border-radius:12px;font-size:15px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog #history-save-button {background:var(--ring);color:var(--accent-ink);min-height:46px}
/* Sky's matte, equal-weight native tab items; Aura retains its lavender selection. */
:root:is([data-layout="sky"],[data-layout="aura"]) #tabbar {
  width:min(100%,720px);bottom:0;padding:4px 6px max(4px,env(safe-area-inset-bottom));
  border:var(--history-outline) solid var(--line);border-bottom:0;border-radius:14px 14px 0 0;background:var(--bg);box-shadow:var(--history-elevation);
}
:root[data-layout="sky"] #tabbar {background:var(--history-panel)}
:root:is([data-layout="sky"],[data-layout="aura"]) #tabbar button {min-height:52px;gap:4px;border-radius:10px;font-size:10px;font-weight:500;color:var(--ink2)}
:root[data-layout="sky"] #tabbar button {color:var(--ink3)}
:root:is([data-layout="sky"],[data-layout="aura"]) #tabbar button.active {color:var(--accent)}
:root:is([data-layout="sky"],[data-layout="aura"]) #tabbar .tab-icon {
  width:18px;height:18px;margin:0;padding:0;border-radius:0;background:transparent;color:inherit;box-shadow:none;
}
:root:is([data-layout="sky"],[data-layout="aura"]) :is(#history-view,#history-dialog,#tabbar) button:focus-visible {outline:2px solid var(--accent);outline-offset:2px}
:root:is([data-layout="sky"],[data-layout="aura"]) #history-dialog :is(input,select):focus-visible {outline:2px solid var(--accent);outline-offset:1px}
@media (prefers-reduced-transparency:reduce) {
  :root[data-layout="sky"] #history-view :is(.history-card,.empty-card),
  :root[data-layout="sky"] #history-dialog :is(.history-exercise,.history-meta-edit),
  :root[data-layout="sky"] #tabbar {background:var(--deep);backdrop-filter:none;-webkit-backdrop-filter:none}
  :root[data-layout="aura"] #history-view :is(.history-card,.empty-card),
  :root[data-layout="aura"] #history-dialog :is(.history-exercise,.history-meta-edit) {background:#15131f}
}

.history-pagination {display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 0}
.history-pagination button {min-height:44px}