/* Household — Home board
   Palette and metrics lifted from Home-B-Board.dc.html (Claude Design). */

:root {
  /* surfaces */
  --surround: #EDE8E0;
  --bg: #F1EDE6;
  --card: #fff;
  --dark: #2F2A24;
  --cream: #FBF3DF;

  /* ink */
  --ink: #23201B;
  --muted: #8E8478;
  --muted-2: #9A9086;
  --faint: #A79D92;
  --dark-ink: #F6F2EC;
  --dark-muted: #A29688;
  --dark-dim: #9C9186;
  --gold-eyebrow: #C4A88C;

  /* lines */
  --line: #F1EBE2;
  --rule: #E2DAD0;
  --hairline: rgba(255, 255, 255, .09);
  --track: #EFE9DF;

  /* accents */
  --terracotta: #B4603C;
  --terracotta-ink: #8E4A2D;
  --coral: #E08A5C;
  --sage: #5F7A5B;
  --sage-ink: #3E5139;
  --sage-bg: #C9D4C4;
  --sage-tint: #E7EDE5;
  --clay-bg: #E6CFC2;
  --gold: #D19A2E;
  --gold-ink: #7C5E14;
  --gold-bg: #EBDCB6;

  --r-card: 20px;
  --serif: Newsreader, Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--surround);
  font-family: var(--sans);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

h1, h2, p, ul { margin: 0; padding: 0; }
ul { list-style: none; }

a { color: var(--terracotta); text-decoration: none; }
a:hover { color: var(--terracotta-ink); }

:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── App shell ─────────────────────────────────────────── */

.screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  max-width: 460px;
  margin: 0 auto;
  background: var(--bg);
}

/* One page, four views. Only the routed one is in the layout. */
.view {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.view[hidden] { display: none; }

/* ── Header ────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top, 0px) + 26px) 18px 16px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 6px;
}

.greeting {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.05;
  font-weight: 500;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.avatar--sm { width: 32px; height: 32px; font-size: 12px; }

/* Your own initial on Home opens the Household sheet. */
button.avatar { border: 0; padding: 0; font-family: inherit; cursor: pointer; }

/* ── Household sheet ───────────────────────────────────── */

.members { list-style: none; margin: 4px 0 0; padding: 0; }
.member-row { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.member-row:last-child { border-bottom: 0; }
.member-row__text { flex: 1; min-width: 0; }
.member-row__name { font-size: 14.5px; font-weight: 500; }
.member-row__meta { font-size: 12px; color: var(--muted); margin-top: 2px; overflow-wrap: anywhere; }
.avatar--sage { background: var(--sage-bg); color: var(--sage-ink); }
.avatar--clay { background: var(--clay-bg); color: var(--terracotta-ink); }
.avatar--gold { background: var(--gold-bg); color: var(--gold-ink); }

/* ── Board grid ────────────────────────────────────────── */

.board {
  flex: 1;
  padding: 0 14px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  align-content: start;
}

.span-2 { grid-column: span 2; }

.card {
  background: var(--card);
  border-radius: var(--r-card);
}

.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card__head--baseline { align-items: baseline; }

.card__head .eyebrow {
  font-size: 10.5px;
  letter-spacing: .13em;
  margin-bottom: 0;
}

.card__aside { font-size: 12.5px; color: var(--muted); }

.link { font-size: 12.5px; font-weight: 500; }
.link--dim { color: var(--dark-dim); font-weight: 400; font-size: 12px; }
.link--dim:hover { color: var(--dark-ink); }

/* ── Needs you (dark) ──────────────────────────────────── */

.card--dark {
  background: var(--dark);
  color: var(--dark-ink);
  padding: 17px 18px;
}

.card--dark .card__head { margin-bottom: 14px; }
.eyebrow--gold { color: var(--gold-eyebrow); }

.needs__row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 0;
}

.needs__row:first-child { padding-top: 0; border-bottom: 1px solid var(--hairline); }
.needs__row:last-child { padding-bottom: 0; }

/* "3 more on Tasks →" / "Show 3 more": lined up with the titles, past the dot. */
.needs__more { padding-left: 18px; }
button.link { padding: 0; font-family: inherit; background: none; border: 0; cursor: pointer; }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--coral);
  flex: none;
}

.needs__text { flex: 1; min-width: 0; }
.needs__title { font-size: 14.5px; font-weight: 500; }
.needs__meta { font-size: 12px; color: var(--dark-muted); margin-top: 2px; }

.chip {
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  color: var(--dark-ink);
  background: rgba(255, 255, 255, .1);
  border: 0;
  border-radius: 99px;
  padding: 6px 12px;
  cursor: pointer;
  flex: none;
}

.chip:hover { background: rgba(255, 255, 255, .18); }

/* ── Today ─────────────────────────────────────────────── */

.today { padding: 16px 18px 8px; }
.today .card__head { margin-bottom: 13px; }

.people {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.person {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
}

.person__count { font-size: 10.5px; color: var(--muted); }

.track {
  display: block;
  width: 100%;
  height: 4px;
  border-radius: 99px;
  background: var(--track);
  overflow: hidden;
}

.track--thick { height: 5px; margin-top: 8px; background: #F0EAE1; }

.track__fill { display: block; height: 100%; border-radius: 99px; }
.track__fill--sage { background: var(--sage); }
.track__fill--terracotta { background: var(--terracotta); }
.track__fill--gold { background: var(--gold); }

.task {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.check {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1.5px solid #D6CCBF;
  background: transparent;
  flex: none;
  cursor: pointer;
}

.check:checked {
  background: var(--sage) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12"><path d="M2.5 6.2l2.3 2.3 4.7-5" fill="none" stroke="white" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round"/></svg>') center / 12px no-repeat;
  border-color: var(--sage);
}

.task__label { flex: 1; font-size: 14px; cursor: pointer; }
.check:checked + .task__label { color: var(--faint); text-decoration: line-through; }
.task__meta { font-size: 11.5px; color: var(--faint); }

.seeall {
  display: block;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

/* ── Streak ────────────────────────────────────────────── */

.card--cream { background: var(--cream); }

.streak {
  padding: 17px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* display:flex above would otherwise show an empty card when there is no streak. */
.streak[hidden] { display: none; }

.ring {
  flex: none;
  width: 62px;
  height: 62px;
  border-radius: 99px;
  background: #fff;
  box-shadow: inset 0 0 0 3px #E7C878;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ring__num { font-family: var(--serif); font-size: 26px; line-height: 1; color: var(--gold-ink); }
.ring__unit {
  font-size: 8.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #A98D3E;
  font-weight: 600;
}

.streak__body { flex: 1; min-width: 0; }
.streak__title { font-size: 14.5px; font-weight: 600; color: #5E4A11; }
.streak__meta { font-size: 12.5px; color: #8B7742; margin-top: 3px; }

.pips { display: flex; gap: 4px; margin-top: 9px; }
.pips[hidden] { display: none; }
.pip { flex: 1; height: 6px; border-radius: 99px; background: #EADFC2; }
.pip.is-on { background: var(--gold); }

/* ── Stat cards ────────────────────────────────────────── */

.stat { padding: 16px 17px; color: var(--ink); }
.stat:hover { color: var(--ink); }
.stat__icon--sage { color: var(--sage); }
.stat__icon--terracotta { color: var(--terracotta); }

.stat__num {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
  margin-top: 12px;
}

.stat__label { font-size: 13px; font-weight: 500; margin-top: 3px; }
.stat__meta { font-size: 12px; color: var(--muted); margin-top: 3px; }

/* ── Upcoming ──────────────────────────────────────────── */

.upcoming {
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
}

.upcoming:hover { color: var(--ink); }

.datechip {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--sage-tint);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: none;
}

.datechip__dow {
  font-size: 8.5px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--sage);
  font-weight: 600;
}

.datechip__day { font-family: var(--serif); font-size: 16px; line-height: 1; color: var(--sage-ink); }

.upcoming__body { flex: 1; min-width: 0; }
.upcoming__title { display: block; font-size: 14px; font-weight: 500; }
.upcoming__meta { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.chevron { flex: none; color: #C6BCAF; }

/* ── Banner and sign-in ────────────────────────────────── */

.banner {
  margin: 0;
  padding: 9px 18px;
  font-size: 12px;
  color: var(--muted);
  background: #E9E3D9;
  border-bottom: 1px solid var(--rule);
}

.banner--bad { background: #F6E3DA; color: var(--terracotta-ink); }
.banner--good { background: #E4EBE1; color: var(--sage-ink); }

.chip:disabled { opacity: .55; cursor: default; }

/* Already nudged — a state, not an offer. */
.chip--quiet {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .18);
  color: var(--dark-muted);
}

.signin { padding: 20px 18px; }
.signin__lead { font-size: 13.5px; color: var(--muted); line-height: 1.5; }

.field {
  display: block;
  width: 100%;
  margin: 14px 0 10px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 12px;
}

.button {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  background: var(--terracotta);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
}

.button:hover { background: var(--terracotta-ink); }

.signin__status { font-size: 12.5px; color: var(--muted); margin-top: 10px; min-height: 1em; }

#code-form { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
#code-form[hidden] { display: none; }
.signin__label { font-size: 12.5px; font-weight: 500; color: var(--muted); }
.field--code { margin-top: 8px; font-size: 20px; letter-spacing: .3em; text-align: center; }

.tabbar[hidden] { display: none; }

/* ── Tasks ─────────────────────────────────────────────── */

.section-label { margin: 4px 4px -2px; }

.person-cards {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.person-card { padding: 14px 18px 6px; }

.person-card__head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 4px;
}

.person-card__name { font-size: 13.5px; font-weight: 600; }
.person-card__count { flex: 1; font-size: 12px; color: var(--faint); }
.person-card__points { font-size: 12px; flex: none; }

.streakpill {
  flex: none;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gold-ink);
  background: var(--cream);
  border-radius: 99px;
  padding: 4px 9px;
}

.task__points {
  flex: none;
  font-size: 12px;
  font-weight: 500;
  color: #C0A44E;
}

/* A finished one stays visible — the day reads as a record, not a clean slate. */
.task--done { opacity: .45; }
.task--done .task__label { text-decoration: line-through; }

#coming-card { padding: 6px 18px 8px; }

/* No checkbox, and a coloured rail instead: an event is a different shape from
   a task, and should not look like one you forgot to tick. */
.eventrow {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.eventrow:first-child { border-top: 0; }

.eventrow__rail {
  flex: none;
  width: 3px;
  align-self: stretch;
  min-height: 30px;
  border-radius: 99px;
  background: #5B7793;
}

.eventrow__body { flex: 1; min-width: 0; }
.eventrow__title { display: block; font-size: 14px; font-weight: 500; }
.eventrow__meta { display: block; font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.eventrow__when {
  flex: none;
  font-size: 11.5px;
  color: var(--faint);
  text-transform: capitalize;
}

/* ── Add sheet ─────────────────────────────────────────── */

.sheet {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.sheet[hidden] { display: none; }

.sheet__scrim {
  position: absolute;
  inset: 0;
  background: rgba(35, 32, 27, .38);
}

.sheet__panel {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 24px 24px 0 0;
  padding: 10px 18px calc(env(safe-area-inset-bottom, 0px) + 20px);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, .18);
}

.sheet__grip {
  width: 38px;
  height: 4px;
  border-radius: 99px;
  background: var(--rule);
  margin: 0 auto 12px;
}

.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.sheet__title { font-family: var(--serif); font-size: 22px; font-weight: 500; }

.sheet__close {
  border: 0;
  background: none;
  font-size: 15px;
  color: var(--faint);
  cursor: pointer;
  padding: 4px 6px;
}

.kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 4px;
}

.kind {
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 99px;
  padding: 7px 13px;
  cursor: pointer;
}

.kind.is-on {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--dark-ink);
}

.field-row { display: block; margin-top: 14px; }
.field-row[hidden] { display: none; }

.field-row__label {
  display: block;
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 6px;
}

.field-row .field { margin: 0; }

select.field {
  appearance: none;
  -webkit-appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 8"><path d="M1 1.5L6 6.5l5-5" fill="none" stroke="gray" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"/></svg>');
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px;
  padding-right: 36px;
}

.field-hint { font-size: 12px; color: var(--muted); margin-top: 7px; line-height: 1.45; }
.field-hint:empty { display: none; }

.sheet__error { font-size: 12.5px; color: var(--terracotta-ink); margin-top: 10px; min-height: 1em; }

.sheet__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.sheet__actions:empty { display: none; }

.sheet__action {
  width: 100%;
  padding: 11px 14px;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 12px;
  cursor: pointer;
}

.sheet__action.is-danger { color: var(--terracotta-ink); }

/* The first tap arms it; it says what the second tap will do. */
.sheet__action.is-armed {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: #fff;
}

.sheet__action:disabled { opacity: .55; cursor: default; }

/* Edit, kept apart from the row so a tap on the name still ticks it. */
.rowedit {
  flex: none;
  width: 28px;
  height: 28px;
  margin-right: -6px;
  border: 0;
  border-radius: 8px;
  background: none;
  font-size: 16px;
  line-height: 1;
  color: var(--faint);
  cursor: pointer;
}

.rowedit:hover { background: var(--bg); color: var(--ink); }

.card--dark .rowedit { color: var(--dark-muted); margin-left: 2px; }
.card--dark .rowedit:hover { background: rgba(255, 255, 255, .1); color: var(--dark-ink); }

.field:disabled { opacity: .55; }
.sheet form .button { margin-top: 6px; }

/* ── Kitchen ───────────────────────────────────────────── */

#low-card { padding: 15px 18px 14px; }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.pill {
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold-ink);
  background: #fff;
  border: 1px solid #EEDFB6;
  border-radius: 99px;
  padding: 7px 13px;
  cursor: pointer;
}

.pill:hover { background: #FDF8EA; }

.pillrow { display: flex; align-items: center; }
.pillrow .rowedit { width: 24px; height: 28px; margin: 0; color: #A98D3E; }
.pillrow .rowedit:hover { background: #FDF8EA; color: var(--gold-ink); }

.hint { font-size: 11.5px; color: #A98D3E; margin-top: 10px; }

.chip--cream {
  background: #fff;
  border: 1px solid #EEDFB6;
  color: var(--gold-ink);
  padding: 5px 11px;
}

.chip--cream:hover { background: #FDF8EA; }

/* The quiet chip is dark-card styling; on a white card it needs its own. */
.chip--light {
  border-color: var(--rule);
  color: var(--muted);
  background: transparent;
}

.chip--light:hover { background: var(--bg); color: var(--ink); }

#list-card, #stock-card { padding: 16px 18px 8px; }

.linkbutton {
  display: block;
  width: 100%;
  text-align: left;
  padding: 11px 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: none;
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--terracotta);
  cursor: pointer;
}

.linkbutton:hover { color: var(--terracotta-ink); }
.linkbutton:disabled { opacity: .5; cursor: default; }

.stockrow {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.stockrow__name { flex: 1; font-size: 14px; }

/* ── Money ─────────────────────────────────────────────── */

.budget { padding: 16px 18px 18px; }

.budget__figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 10px;
}

.budget__spent { font-family: var(--serif); font-size: 34px; line-height: 1; }
.budget__ceiling { font-size: 13px; color: var(--muted); }
.budget .track { margin-top: 14px; }
.budget__left { font-size: 12.5px; color: var(--muted); margin-top: 9px; }

/* A bill that is due but not yet pressing. */
.dot--calm { background: var(--dark-muted); }

.ledger { padding: 16px 18px 8px; }

.entry {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.entry__body { flex: 1; min-width: 0; }
.entry__title { display: block; font-size: 14px; font-weight: 500; }
.entry__meta { display: block; font-size: 11.5px; color: var(--faint); margin-top: 2px; }
.entry__amount { font-family: var(--serif); font-size: 15px; flex: none; }

.avatar--xs { width: 26px; height: 26px; font-size: 10px; }

.empty {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  padding: 6px 4px;
}

/* ── Tab bar ───────────────────────────────────────────── */

.tabbar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: flex-start;
  background: rgba(241, 237, 230, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule);
  padding: 9px 8px calc(env(safe-area-inset-bottom, 0px) + 12px);
}

.tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--faint);
}

.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); font-weight: 500; }

.tab-slot {
  flex: none;
  width: 56px;
  display: flex;
  justify-content: center;
}

.fab {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 99px;
  background: var(--terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -14px;
  box-shadow: 0 6px 16px rgba(180, 96, 60, .34);
  cursor: pointer;
}

.fab:hover { background: var(--terracotta-ink); }

/* ── Rewards ───────────────────────────────────────────── */

.balances { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.balances:empty { display: none; }
.balance { padding: 15px 17px; display: flex; align-items: center; gap: 12px; }
.balance__num { font-family: var(--serif); font-size: 28px; line-height: 1; }
.balance__label { font-size: 12px; color: var(--muted); margin-top: 3px; }

.rewards-card { padding: 16px 18px 8px; }
.rewards { list-style: none; margin: 0; padding: 0; }
.reward { padding: 12px 0; border-top: 1px solid var(--line); }
.reward:first-child { border-top: 0; padding-top: 4px; }
.reward__head { display: flex; align-items: baseline; gap: 8px; }
.reward__title { flex: 1; font-size: 14.5px; font-weight: 500; }
.reward__terms { font-size: 12px; color: var(--muted); flex: none; }
.reward__head .rowedit { align-self: center; }

.reward__who { display: flex; align-items: center; gap: 10px; margin-top: 9px; }
.reward__bar { flex: 1; min-width: 0; }
.reward__bar .track { margin-top: 0; }
.reward__bar .pips { margin-top: 0; }
.reward__nums { font-size: 12px; color: var(--muted); flex: none; min-width: 52px; text-align: right; }
.reward__who .chip { flex: none; }

#rewards-empty { margin: 4px 0 10px; }

@media (prefers-reduced-motion: no-preference) {
  .chip, .fab, .check { transition: background-color .15s ease; }
}