/* Minshan base: tokens, reset, app shell, launching-soon page, tab bar, buttons, sheet, toast, review/daily/profile */

/* Metric-matched fallbacks (spec 8): text keeps its size and line boxes if a
   web font swaps in late. Overrides measured in Chrome against the loaded
   Outfit and JetBrains Mono (hhea ascent/descent, average advance width). */
@font-face {
  font-family: 'Outfit Fallback';
  src: local('Arial'), local('ArialMT');
  font-weight: 400 500;
  size-adjust: 97.37%;
  ascent-override: 102.7%;
  descent-override: 26.7%;
  line-gap-override: 0%;
}

@font-face {
  font-family: 'Outfit Fallback';
  src: local('Arial Bold'), local('Arial-BoldMT');
  font-weight: 600 700;
  size-adjust: 92.7%;
  ascent-override: 107.52%;
  descent-override: 27.95%;
  line-gap-override: 0%;
}

@font-face {
  font-family: 'JetBrains Mono Fallback';
  src: local('Menlo Regular'), local('Menlo-Regular'), local('Menlo'), local('Courier New'), local('CourierNewPSMT');
  size-adjust: 99.66%;
  ascent-override: 102.35%;
  descent-override: 30.1%;
  line-gap-override: 0%;
}

:root {
  color-scheme: dark;
  --bg: #15162B;
  --mission-bg: #14152A;
  --ink-0: #0B0C14;
  --surface-1: #1B1C2E;
  --surface-2: #262838;
  --surface-glass: rgba(22, 23, 38, .78);
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .18);
  --text: #F4F3F8;
  --text-2: #C9CBD6;
  --muted: #A9ACBC;
  --dim: #8E91A0;
  --gold: #E6C36A;
  --gold-ink: #14161F;
  --gold-soft: rgba(230, 195, 106, .18);
  --good: #7CC9A2;  --good-soft: rgba(124, 201, 162, .14);
  --bad: #F0A07A;   --bad-soft: rgba(240, 160, 122, .14);
  --tab-bg: #11121A;  --tab-line: #1F2030;
  --code-bg: #0F1020;  --code-err: #FF7B7B;  --code-str: #E9CF8A;  --code-num: #9FC5E8;  --code-kw: #B9A7E8;  --code-punc: #8E91A0;
  --code-bg-clear: rgba(15, 16, 32, 0);
  --df-head-bg: #202134;
  --white-03: rgba(255, 255, 255, .03);  --white-05: rgba(255, 255, 255, .05);
  --white-10: rgba(255, 255, 255, .10);  --white-12: rgba(255, 255, 255, .12);
  --black-30: rgba(0, 0, 0, .3);  --black-40: rgba(0, 0, 0, .4);
  --scrim: rgba(6, 7, 14, .62);
  /* The win screen's own values in navy: its stat rings, and the lip of its gold button. */
  --win-ring: #3B3C4E;  --gold-lip: #B0924C;
  /* Graphite: not in use. The win screen's first look in design/win-screen/SPEC.md, kept to come back to. */
  --graphite-bg: #1C1D20;  --graphite-s1: #26272B;  --graphite-text: #F2F2F4;  --graphite-muted: #ADAFB6;
  --graphite-tok: #3A3B41;  --graphite-good: #34E38F;  --graphite-paper: #F4F4F6;  --graphite-ink: #1C1D20;  --graphite-lip: #B4B6BD;
  --font-ui: 'Outfit', 'Outfit Fallback', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-code: 'JetBrains Mono', 'JetBrains Mono Fallback', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --r-sm: 10px; --r-md: 14px; --r-lg: 18px; --r-xl: 22px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --ease-in: cubic-bezier(.55, 0, 1, .45);
  --tabbar-h: 60px;
  --safe-t: env(safe-area-inset-top, 0px);  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px); --safe-r: env(safe-area-inset-right, 0px);
}

/* Reset ------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

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

html, body {
  height: 100%;
  background: var(--bg);
  /* Chrome reads the viewport's overscroll from body, WebKit from html. */
  overscroll-behavior: none;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
  text-rendering: optimizeLegibility;
}

[hidden] { display: none !important; }

h1, h2, h3, h4, p, figure, blockquote, pre { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

code, pre, kbd, samp { font-family: var(--font-code); }

button {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-align: inherit;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-appearance: none;
  appearance: none;
}

a, [role="button"], input, select, textarea { touch-action: manipulation; }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.icon { flex: none; overflow: visible; }
.logo { flex: none; }

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 24px;
  color: var(--text-2);
  font: 500 16px/1.5 var(--font-ui);
  text-align: center;
}

/* App shell --------------------------------------------------------- */

/* Fills .device__screen (css/launch.css): the whole viewport on a phone, a
   phone's screen on a Mac. */
#app {
  position: absolute;
  inset: 0;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

#app pre, #app code { -webkit-user-select: text; user-select: text; }

.screens {
  position: absolute;
  inset: 0;
}

.screen {
  position: absolute;
  inset: 0;
}

.screen--overlay { z-index: 50; }

/* Buttons ----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .005em;
  white-space: nowrap;
  text-align: center;
  transition: transform 120ms var(--ease-out);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn--primary {
  background: var(--gold);
  color: var(--gold-ink);
}

.btn--secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}

.btn--danger {
  background: transparent;
  border-color: var(--bad-soft);
  color: var(--bad);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  transition: transform 120ms var(--ease-out);
}

.btn:active,
.icon-btn:active { transform: scale(.97); }

.btn[disabled],
.icon-btn[disabled] {
  opacity: .4;
  pointer-events: none;
}

/* Launching-soon page ------------------------------------------------ */

.gate {
  --gate-ridges: clamp(120px, 26svh, 260px);
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  overflow-y: auto;
  padding:
    max(56px, calc(var(--safe-t) + 16px))
    max(24px, var(--safe-r))
    calc(var(--safe-b) + 6px)
    max(24px, var(--safe-l));
  background:
    radial-gradient(90% 55% at 50% 100%, rgba(140, 106, 110, .16), transparent 70%),
    var(--bg);
}

.gate__ridges {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: var(--gate-ridges);
  display: block;
  pointer-events: none;
}

.gate__col {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* Auto margins only take positive free space: centred when the column
     fits, pinned to the top padding (and scrollable) when it does not. */
  margin-block: auto;
  width: 100%;
  max-width: 420px;
  text-align: center;
}

.gate__mark .logo { display: block; }

.gate__phone {
  position: relative;
  flex: none;
  width: min(calc(100vw - 8px), 580px, 62vh);
  margin-top: -2%;
  margin-bottom: -6%;
}

.gate__phone img { display: block; width: 100%; height: auto; }
.gate__phone .gate__light,
.gate__phone .gate__note { position: absolute; left: 0; top: 0; }
.gate__note { transform-origin: 50.3% 52.2%; }

.gate__phone-frame {
  display: block;
  fill: rgba(255, 255, 255, .02);
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.gate__phone-detail {
  fill: var(--line-strong);
  stroke: none;
}

.gate__phone-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
}

.gate__phone-logo .logo { display: block; }

.gate__title {
  margin-top: 32px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.01em;
  text-wrap: balance;
  outline: none;
}

.gate__body {
  max-width: 380px;
  margin-top: 12px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.55;
  text-wrap: pretty;
}

.gate__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  width: 100%;
  margin-top: 24px;
}

.gate__actions .btn {
  flex: 1 1 0;
  min-width: 0;
  max-width: 190px;
  padding-inline: 12px;
}

.gate__apple { display: block; flex: none; margin-top: -2px; }

.gate__try {
  background: var(--text);
  color: var(--ink-0);
}

/* Keeps the column where it sat before the footer: clear of the ridges. */
.gate__foot {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 10px;
  margin-top: max(20px, calc(var(--gate-ridges) * .55 - 18px - var(--safe-b)));
}

.gate__link {
  min-height: 44px;
  padding: 0 6px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.gate.is-launching .gate__mark { visibility: hidden; }
.gate.is-stage .gate__col,
.gate.is-stage .gate__foot { display: none; }

/* Short phones with the browser's bars showing: the drawing gives way, so the
   text and both buttons stay on one screen. */
@media (max-height: 649px) {
  .gate__phone { display: none; }
}

/* A phone on its side: everything on one screen, ridges low. */
@media (max-height: 479px) {
  .gate {
    --gate-ridges: clamp(72px, 26svh, 120px);
    padding-top: max(12px, calc(var(--safe-t) + 8px));
  }
  .gate__col { max-width: none; }
  .gate__mark .logo { width: 56px; height: 56px; }
  .gate__title { margin-top: 12px; }
  .gate__body { max-width: none; margin-top: 8px; }
  .gate__actions { margin-top: 16px; }
}

/* 360 px Android phones: 6 px of gap keeps the three links on one row. */
@media (max-width: 374px) {
  .gate__foot { gap: 0 6px; }
}

/* Safari's shorter layouts: the phone gives up a little, so nothing scrolls. */
@media (max-height: 669px) {
  .gate__phone { width: min(calc(100vw - 8px), 56svh); }
}

/* The logo stands a little higher and larger above the phone. Its negative
   margin cancels the extra size, so everything below stays put. */
@media (min-height: 650px) {
  .gate__mark { position: relative; top: -28px; margin-bottom: -12px; }
  .gate__mark .logo { width: 84px; height: 84px; }
}

/* MacBook and up: the same column, one size larger for the bigger screen. */
@media (min-width: 1000px) and (min-height: 760px) {
  .gate__col { max-width: 500px; }
  .gate__mark { margin-bottom: -16px; }
  .gate__mark .logo { width: 104px; height: 104px; }
  .gate__title { margin-top: 36px; font-size: 36px; }
  .gate__body { max-width: 460px; margin-top: 14px; font-size: 18px; }
  .gate__actions { margin-top: 28px; }
  .gate__actions .btn { max-width: 210px; height: 52px; }
  .gate__link { font-size: 15px; }
}

@media (hover: none) {
  .gate__link { transition: transform 120ms var(--ease-out); }
  .gate__link:active { transform: scale(.97); }
}

@media (hover: hover) {
  .gate__actions .btn--secondary:hover { background: rgba(255, 255, 255, .06); }
  .gate__try:hover { background: #FFFFFF; }
  .gate__link:hover { color: var(--text); }
}

/* Tab bar ----------------------------------------------------------- */

.tabbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  height: calc(var(--tabbar-h) + var(--safe-b));
  padding: 0 var(--safe-r) var(--safe-b) var(--safe-l);
  background: var(--tab-bg);
  border-top: 1px solid var(--tab-line);
  transition: transform 260ms var(--ease-in-out);
}

#app.is-overlay .tabbar { transform: translateY(100%); }

.tabbar__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.tabbar__track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 25%;
  display: grid;
  place-items: center;
  pointer-events: none;
  transform: translateX(calc(var(--tab-index, 0) * 100%));
  transition: transform 320ms var(--ease-out);
}

.tabbar__pill {
  width: 56px;
  height: 36px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .08);
}

.tab {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  height: 100%;
  color: var(--dim);
}

.tab[aria-current="page"] { color: var(--text); }

.tab .icon { transition: transform 120ms var(--ease-out); }
.tab:active .icon { transform: scale(.9); }

.tab:focus-visible { outline-offset: -6px; border-radius: 14px; }

.tab__badge {
  position: absolute;
  top: calc(50% - 21px);
  left: calc(50% + 5px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--gold);
  color: var(--gold-ink);
  box-shadow: 0 0 0 2px var(--tab-bg);
  font-size: 11px;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* Toast ------------------------------------------------------------- */

/* Toasts sit at the top, just under the path's sticky header row (56 px
   + safe area), so they never cover the next lesson node or the tab bar.
   Overlay screens (lesson, win) use the same slot under their top bar. */
.toast-root {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--safe-t) + 66px);
  z-index: 90;
  height: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

#app.is-overlay .toast-root { top: calc(var(--safe-t) + 64px); }

.toast-root.is-low { top: auto; bottom: calc(var(--tabbar-h) + var(--safe-b) + 12px); }
.toast-root.is-low .toast { top: auto; bottom: 0; }

.toast {
  position: absolute;
  top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  max-width: min(92vw, 360px);
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: var(--surface-2);
  color: var(--text);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .42);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
}

.toast .icon { flex: none; color: var(--gold); }

/* Two lines at most; longer text is clipped with an ellipsis. */
.toast__text {
  min-width: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-wrap: pretty;
}

/* Sheet ------------------------------------------------------------- */

.sheet {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 14, .62);
}

.sheet__panel {
  position: relative;
  width: 100%;
  max-width: 520px;
  padding: 10px max(20px, var(--safe-r)) calc(20px + var(--safe-b)) max(20px, var(--safe-l));
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: var(--surface-2);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, .4);
}

.sheet__panel::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 64px;
  background: var(--surface-2);
}

.sheet__grip {
  width: 36px;
  height: 4px;
  margin: 0 auto 18px;
  border-radius: 2px;
  background: var(--line-strong);
}

.sheet__title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  text-wrap: balance;
}

.sheet__body {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.5;
  text-wrap: pretty;
}

.sheet__actions {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

/* A sheet taller than the screen: the body scrolls, title and actions stay. */
.sheet--scroll .sheet__panel {
  display: flex;
  flex-direction: column;
  max-height: calc(100% - var(--safe-t) - 24px);
}

.sheet__scroll {
  flex: 1 1 auto;
  min-height: 0;
  margin-top: 8px;
  padding-bottom: 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-sm);
  scrollbar-width: none;
  /* The last lines fade into the actions, which says there is more below. */
  -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 14px), transparent);
  mask-image: linear-gradient(to bottom, #000 calc(100% - 14px), transparent);
}

.sheet__scroll::-webkit-scrollbar { display: none; }

.sheet__scroll .sheet__body { margin-top: 0; }

.sheet--scroll .sheet__actions { flex: none; margin-top: 12px; }

/* Pages (review, daily, profile) ------------------------------------ */

.page {
  position: absolute;
  inset: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  /* Opaque so the tab cross-fade dissolves one screen into the next
     instead of overlapping two screens of text. */
  background: var(--bg);
  padding:
    calc(var(--safe-t) + 20px)
    max(16px, var(--safe-r))
    calc(var(--tabbar-h) + var(--safe-b) + 32px)
    max(16px, var(--safe-l));
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.page__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 520px;
  margin: 0 auto;
}

.page__title {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.01em;
}

.page__lede {
  margin-top: 6px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.5;
}

.pg-eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Inline code in prose, as M.lesson.prose writes it. */
.pg-prose .ic {
  padding: 1px 6px;
  border-radius: 7px;
  background: var(--code-bg);
  font-family: var(--font-code);
  font-size: .86em;
  font-weight: 500;
  white-space: pre-wrap;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.pg-prose .t-s { color: var(--code-str); }
.pg-prose .t-n { color: var(--code-num); }
.pg-prose .t-k { color: var(--code-kw); }
.pg-prose .t-p { color: var(--code-punc); }
.pg-prose .t-c { color: var(--dim); }
.pg-prose .t-e { color: var(--code-err); }

/* Review */

.rv-empty {
  display: grid;
  justify-items: center;
  gap: 8px;
  margin-top: clamp(32px, 14vh, 120px);
  padding: 0 12px;
  text-align: center;
}

.rv-empty__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 8px;
  border-radius: 50%;
  background: var(--surface-1);
  color: var(--text-2);
}

.rv-empty__title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
}

.rv-empty__text {
  max-width: 300px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.5;
  text-wrap: balance;
}

.rv-list {
  display: grid;
  gap: 12px;
}

.rv-card {
  display: grid;
  /* One column that can never grow past the card: long code wraps
     inside it instead of pushing the right padding off the edge. */
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-1);
}

.rv-card > * { min-width: 0; }

.rv-card__prompt {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.rv-card__btn {
  justify-self: start;
  margin-top: 2px;
}

/* Daily question */

.dq-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-1);
}

.dq-card__title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.dq-card__text {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.5;
}

.dq-card .btn { margin-top: 6px; }

.dq-card__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 2px;
  border-radius: 50%;
  background: var(--good-soft);
  color: var(--good);
}

/* Profile */

.pf-id {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.pf-avatar {
  display: grid;
  place-items: center;
  flex: none;
  width: 72px;
  height: 72px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--surface-1);
  color: var(--text);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
}

.pf-id__text { min-width: 0; }

.pf-name {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
}

.pf-joined {
  margin-top: 2px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.pf-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pf-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  height: 100%;
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-1);
}

.pf-stat .icon { flex: none; color: var(--text-2); }

.pf-stat__num {
  max-width: 100%;
  margin-top: 10px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pf-stat__of {
  margin-left: 1px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

.pf-stat__label {
  max-width: 100%;
  margin-top: auto;
  padding-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pf-settings {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.pf-list {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-1);
}

.pf-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  font-size: 16px;
}

.pf-switch {
  position: relative;
  flex: none;
  width: 52px;
  height: 44px;
  border-radius: 16px;
}

.pf-switch::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 32px;
  margin-top: -16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .16);
  transition: background 200ms var(--ease-out);
}

.pf-switch__knob {
  position: absolute;
  left: 2px;
  top: 50%;
  width: 28px;
  height: 28px;
  margin-top: -14px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .4);
  transition: transform 240ms var(--ease-spring);
}

.pf-switch[aria-checked="true"]::before { background: var(--gold); }
.pf-switch[aria-checked="true"] .pf-switch__knob { transform: translateX(20px); }

.pf-fn {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 13px 16px;
}

.pf-fn + .pf-fn { border-top: 1px solid var(--line); }

.pf-fn__code {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.pf-fn__text {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.pf-notes__empty {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface-1);
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.45;
}

.pf-restart {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.pf-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  text-align: center;
}

/* Reduced motion ---------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .tabbar,
  .tabbar__track,
  .tab .icon,
  .btn,
  .icon-btn,
  .pf-switch::before,
  .pf-switch__knob,
  .gate__link { transition: none; }
}

/* Increase Contrast on iPhone: only these hairlines and quiet greys step up. */
@media (prefers-contrast: more) {
  :root {
    --line: rgba(255, 255, 255, .3);
    --line-strong: rgba(255, 255, 255, .55);
    --muted: var(--text-2);
    --dim: var(--text-2);
  }
}