/* Pour Decisions — a night-lab bench. One deliberate dark look. */
:root {
  color-scheme: dark;
  --ink: #0f1330;
  --ink-2: #171c43;
  --ink-3: #232a5c;
  --line: rgba(190, 205, 255, 0.14);
  --text: #eef1ff;
  --muted: #9aa3d8;
  --faint: #6770a8;
  --gold: #ffcf5a;
  --gold-deep: #e9a92a;
  --gold-ink: #3b2800;
  --teal: #41d6c3;
  --rose: #ff6b81;
  --display: "Baloo 2", "Arial Rounded MT Bold", "Trebuchet MS", system-ui, sans-serif;
  --body: "Nunito", ui-rounded, "Segoe UI", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.2, 0.9, 0.25, 1);
  --spring: cubic-bezier(0.3, 1.5, 0.5, 1);
}

[hidden] { display: none !important; }
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--ink);
  color: var(--text);
  font: 600 15px/1.45 var(--body);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; touch-action: manipulation; }
button:focus-visible, input:focus-visible + i, .level:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
svg { width: 24px; height: 24px; flex: none; }

#app {
  position: relative;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(120% 70% at 50% 42%, rgba(88, 96, 214, 0.28), transparent 62%),
    radial-gradient(80% 50% at 50% 110%, rgba(65, 214, 195, 0.1), transparent 70%),
    linear-gradient(180deg, #121636 0%, #0f1330 55%, #0b0e26 100%);
}
/* Faint bench grid, like a lab mat. */
#app::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(160, 175, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 175, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(90% 70% at 50% 50%, #000 30%, transparent 85%);
  pointer-events: none;
}

/* ---------------------------------------------------------------- screens */

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.985);
  transition: opacity 220ms var(--ease-out), transform 260ms var(--ease-out), visibility 0s 260ms;
}
.screen.active {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 220ms var(--ease-out), transform 260ms var(--ease-out), visibility 0s;
}

/* ------------------------------------------------------------------ bits */

.icon-btn {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: rgba(35, 42, 92, 0.7);
  border: 1px solid var(--line);
  color: var(--text);
  transition: transform 90ms ease, background 150ms;
}
.icon-btn:active { transform: scale(0.92); background: var(--ink-3); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px;
  padding-inline: 22px;
  border-radius: 18px;
  font: 800 17px/1 var(--display);
  letter-spacing: 0.01em;
  transition: transform 90ms ease, filter 150ms, box-shadow 150ms;
}
.btn:active { transform: translateY(2px) scale(0.98); }
.btn.primary {
  background: linear-gradient(180deg, #ffe08a, var(--gold) 45%, var(--gold-deep));
  color: var(--gold-ink);
  box-shadow: 0 4px 0 #b9801a, 0 10px 24px rgba(255, 190, 60, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.btn.primary:active { box-shadow: 0 2px 0 #b9801a, 0 6px 14px rgba(255, 190, 60, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.6); }
.btn.ghost { background: rgba(35, 42, 92, 0.8); border: 1px solid var(--line); color: var(--text); }
.btn.danger { background: rgba(255, 107, 129, 0.12); border: 1px solid rgba(255, 107, 129, 0.4); color: #ffb3bf; }
.btn.danger.armed { background: var(--rose); color: #2b0008; }
.btn.wide { width: 100%; }
.btn.big { min-height: 66px; flex-direction: column; gap: 2px; padding-inline: 44px; border-radius: 22px; }
.btn-label { font-size: 24px; }
.btn-sub { font: 800 12px/1 var(--body); letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.7; }
.link-btn { color: var(--muted); font-weight: 700; padding: 10px; min-height: 44px; }

.eyebrow {
  margin: 0;
  font: 800 12px/1 var(--body);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------------------------------------ home */

#home { align-items: center; padding-inline: 16px; padding-block: 12px 20px; }
.home-top { align-self: stretch; display: flex; justify-content: space-between; }
.home-top-right { display: flex; gap: 10px; }
#accountBtn { position: relative; }
#accountBtn.on { color: var(--teal); }
#accountBtn.on::after {
  content: ""; position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 0 2px var(--ink-2);
}
.brand { text-align: center; margin-top: 2vh; }
.wordmark {
  margin: 0;
  font: 800 clamp(44px, 13vw, 68px)/0.86 var(--display);
  letter-spacing: -0.02em;
  display: flex; flex-direction: column; align-items: center;
}
.wordmark span:first-child {
  background: linear-gradient(95deg, #ff7b8a, #ffcf5a 40%, #9fe03a 70%, #52c6ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.wordmark span:last-child { font-size: 0.62em; color: var(--text); letter-spacing: 0.01em; margin-top: 0.1em; }
.demo-wrap { flex: 1; width: 100%; max-width: 440px; min-height: 150px; position: relative; }
#demo { position: absolute; inset: 0; width: 100%; height: 100%; }
.home-actions { width: 100%; max-width: 420px; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.home-actions .btn.big { width: min(100%, 300px); }
.mode-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; width: 100%; }
.mode {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding-block: 14px 12px;
  border-radius: 18px;
  background: rgba(23, 28, 67, 0.85);
  border: 1px solid var(--line);
  transition: transform 90ms ease, background 150ms;
}
.mode:active { transform: scale(0.96); background: var(--ink-3); }
.mode svg { color: var(--gold); width: 26px; height: 26px; }
.mode span { font: 700 16px/1.1 var(--display); }
.mode small { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.build { margin: -6px 0 0; font: 700 11px/1.4 var(--body); color: var(--faint); font-variant-numeric: tabular-nums; -webkit-user-select: text; user-select: text; }
.build a { color: inherit; text-underline-offset: 2px; }

/* ------------------------------------------------------------------ bars */

.bar {
  display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 12px;
  padding-inline: 16px; padding-block: 12px;
}
.bar h2 { margin: 0; font: 800 24px/1 var(--display); }
.bar-stat { color: var(--gold); font-weight: 800; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- levels */

.levels-scroll {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding-inline: 16px; padding-block: 4px 40px;
  display: flex; flex-direction: column; gap: 28px;
  touch-action: pan-y;
}
.chapter { max-width: 520px; width: 100%; margin-inline: auto; }
.chapter-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.chapter-head h3 { margin: 0; font: 800 20px/1.1 var(--display); }
.chapter-head .eyebrow { margin-bottom: 4px; }
.chapter-head .count { color: var(--muted); font-weight: 800; font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.chapter-bar { height: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.07); margin-bottom: 14px; overflow: hidden; }
.chapter-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--gold)); border-radius: 4px; }
.grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.level {
  position: relative;
  aspect-ratio: 1 / 1.08;
  max-width: 100%;
  border-radius: 16px;
  background: rgba(35, 42, 92, 0.75);
  border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font: 800 19px/1 var(--display);
  font-variant-numeric: tabular-nums;
  transition: transform 90ms ease;
}
.level:active { transform: scale(0.94); }
.level .mini-stars { display: flex; gap: 1px; color: rgba(255, 255, 255, 0.16); }
.level .mini-stars svg { width: 11px; height: 11px; }
.level .mini-stars .on { color: var(--gold); }
.level.ahead { background: rgba(23, 28, 67, 0.55); color: var(--muted); }
.level.current {
  background: linear-gradient(180deg, #ffe08a, var(--gold) 50%, var(--gold-deep));
  color: var(--gold-ink);
  border-color: transparent;
  box-shadow: 0 0 0 4px rgba(255, 207, 90, 0.22);
  animation: breathe 1.8s ease-in-out infinite;
}
.level.current .mini-stars { color: rgba(59, 40, 0, 0.25); }
.level .new-badge {
  position: absolute; top: -7px; left: -5px;
  padding: 2px 5px; border-radius: 6px;
  background: var(--teal); color: #03201c;
  font: 800 9px/1.2 var(--body); letter-spacing: .06em; text-transform: uppercase;
}
.level.mech::before {
  content: ""; position: absolute; bottom: 5px; right: 6px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal); opacity: .8;
}
.news {
  width: 100%; display: flex; align-items: center; gap: 10px;
  padding-block: 10px; padding-inline: 14px 6px;
  border-radius: 16px; background: rgba(65, 214, 195, 0.12); border: 1px solid rgba(65, 214, 195, 0.35);
}
.news p { margin: 0; flex: 1; display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--muted); }
.news b { color: var(--teal); font: 800 14px/1.2 var(--display); }
.news-go { flex: none; min-height: 40px; padding-inline: 14px; border-radius: 12px; background: var(--teal); color: #03201c; font: 800 14px/1 var(--display); }
.news-close { flex: none; width: 36px; height: 40px; display: grid; place-items: center; color: var(--muted); }
.news-close svg { width: 18px; height: 18px; }
.level .crown { position: absolute; top: -7px; right: -5px; width: 20px; height: 20px; color: var(--rose); filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.4)); }
.level.cap5::after {
  content: "5";
  position: absolute; bottom: 4px; left: 6px;
  font: 800 9px/1 var(--body);
  color: var(--teal);
}
@keyframes breathe { 50% { box-shadow: 0 0 0 8px rgba(255, 207, 90, 0.08); } }

/* ------------------------------------------------------------------ game */

#game { touch-action: none; }
#board { position: absolute; inset: 0; z-index: 2; touch-action: none; }
.hud {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: 44px 1fr 64px; align-items: center; gap: 10px;
  padding-inline: 16px; padding-block: 12px 0;
  pointer-events: none;
}
.hud > * { pointer-events: auto; }
.hud-title { text-align: center; min-width: 0; }
.hud-title h2 { margin: 0; font: 800 22px/1.1 var(--display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-meta { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 4px; min-height: 18px; }
.chip {
  font: 800 10px/1 var(--body); letter-spacing: 0.12em; text-transform: uppercase;
  padding: 4px 7px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.08); color: var(--muted);
}
.chip.boss { background: rgba(255, 107, 129, 0.18); color: #ff9dac; }
.chip.hard { background: rgba(255, 139, 43, 0.16); color: #ffb27a; }
.chip.breather { background: rgba(65, 214, 195, 0.14); color: var(--teal); }
.chip.tutorial { background: rgba(255, 207, 90, 0.14); color: var(--gold); }
.meter { display: inline-flex; gap: 2px; }
.meter i { width: 5px; height: 10px; border-radius: 2px; background: rgba(255, 255, 255, 0.12); }
.meter i.on { background: var(--c); }
.hud-moves { text-align: right; font-variant-numeric: tabular-nums; }
.hud-moves strong { display: block; font: 800 28px/1 var(--display); }
.hud-moves strong.bump { animation: bump 220ms var(--spring); }
.hud-moves strong.over { color: #ffb27a; }
.hud-moves small { color: var(--muted); font-size: 12px; font-weight: 800; }
@keyframes bump { 40% { transform: scale(1.2); } }

#boardArea { flex: 1; min-height: 0; }

.caption {
  position: absolute; z-index: 3; left: 50%; bottom: 112px; transform: translateX(-50%);
  width: min(calc(100% - 32px), 380px);
  margin: 0; text-align: center;
  color: var(--text); font-size: 15px; font-weight: 700;
  padding: 10px 14px; border-radius: 14px;
  background: rgba(23, 28, 67, 0.8); border: 1px solid var(--line);
  pointer-events: none;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.caption p { margin: 0; }
.caption-skip {
  pointer-events: auto;
  min-height: 36px; padding-inline: 12px;
  color: var(--gold); font-size: 13px; font-weight: 800;
  text-decoration: underline; text-underline-offset: 3px;
}
.toast {
  position: absolute; z-index: 4; left: 50%; bottom: 108px;
  transform: translateX(-50%);
  width: max-content; max-width: calc(100% - 32px);
  display: flex; align-items: center; gap: 12px;
  padding-block: 10px; padding-inline: 16px 10px;
  border-radius: 16px;
  background: #262d63; border: 1px solid rgba(190, 205, 255, 0.22);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  font-weight: 700; font-size: 14px;
  animation: toastIn 240ms var(--spring);
}
.toast:not(:has(.toast-act:not([hidden]))) { padding-inline: 16px; }
.toast-act {
  flex: none; min-height: 36px; padding-inline: 14px; border-radius: 11px;
  background: var(--gold); color: var(--gold-ink); font: 800 14px/1 var(--display);
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px) scale(0.96); } }

.tools {
  position: relative; z-index: 3;
  display: flex; justify-content: center; gap: 10px;
  padding-inline: 16px; padding-block: 8px 16px;
  pointer-events: none;
}
.tool {
  pointer-events: auto;
  position: relative;
  width: 68px; min-height: 64px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  border-radius: 18px;
  background: rgba(35, 42, 92, 0.85);
  border: 1px solid var(--line);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
  transition: transform 90ms ease, opacity 150ms, background 150ms;
}
.tool:active { transform: translateY(2px) scale(0.95); box-shadow: none; }
.tool span { font-size: 11px; font-weight: 800; color: var(--muted); letter-spacing: 0.02em; }
.tool[disabled] { opacity: 0.4; pointer-events: none; }
.tool.busy svg { animation: spin 0.9s linear infinite; }
.tool .badge {
  position: absolute; top: -6px; right: -4px;
  min-width: 20px; height: 20px; padding-inline: 5px; border-radius: 10px;
  background: var(--gold); color: var(--gold-ink);
  font: 800 12px/20px var(--body); text-align: center;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading {
  position: absolute; inset: 0; z-index: 5;
  display: grid; place-content: center; justify-items: center; gap: 16px;
  background: rgba(15, 19, 48, 0.6);
  color: var(--muted); font-weight: 700;
}
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.1); border-top-color: var(--gold);
  animation: spin 0.8s linear infinite;
}

/* ---------------------------------------------------------------- sheets */

.overlay {
  position: absolute; inset: 0; z-index: 10;
  display: flex; align-items: flex-end; justify-content: center;
  padding-inline: 12px; padding-block: 12px;
  background: rgba(6, 8, 24, 0.55);
  animation: fadeIn 200ms ease;
}
.sheet {
  position: relative;
  width: 100%; max-width: 440px;
  max-height: 100%; overflow-y: auto;
  padding-inline: 22px; padding-block: 24px 20px;
  border-radius: 28px;
  background: linear-gradient(180deg, #1f2555, #171c43);
  border: 1px solid rgba(190, 205, 255, 0.18);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  animation: sheetIn 340ms var(--spring);
  display: flex; flex-direction: column; gap: 14px;
}
.sheet h3 { margin: 0; font: 800 28px/1.05 var(--display); text-wrap: balance; }
.sheet .eyebrow + h3 { margin-top: -6px; }
.sheet .close { position: absolute; top: 14px; right: 14px; }
.sheet:has(.close) h3 { padding-right: 48px; }
/* A sheet titled only by its eyebrow: keep the content clear of the close button. */
.sheet:has(> .close):not(:has(> h3)) > .eyebrow { margin-bottom: 22px; }
.sheet-copy { margin: 0; color: var(--muted); font-size: 15px; }
.sheet-copy b { color: var(--text); }
.sheet-actions { display: grid; grid-template-columns: 1fr 1.6fr; gap: 10px; }
@keyframes sheetIn { from { transform: translateY(40px); opacity: 0; } }
@keyframes fadeIn { from { opacity: 0; } }

.win { align-items: stretch; text-align: center; }
.win h3 { font-size: 40px; }
.stars { display: flex; justify-content: center; gap: 6px; margin-block: 2px; }
.stars .s { width: 58px; height: 58px; color: rgba(255, 255, 255, 0.1); }
.stars .s:nth-child(2) { width: 72px; height: 72px; margin-top: -12px; }
.stars .s.on { color: var(--gold); filter: drop-shadow(0 4px 12px rgba(255, 190, 60, 0.45)); animation: starPop 460ms var(--spring) both; }
.stars .s.on:nth-child(2) { animation-delay: 160ms; }
.stars .s.on:nth-child(3) { animation-delay: 320ms; }
@keyframes starPop { from { transform: scale(0.2) rotate(-40deg); opacity: 0; } }
.win-note { margin: 0; color: var(--muted); font-size: 14px; min-height: 1.4em; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; }
.stats div { padding: 10px 6px; text-align: center; border-radius: 14px; background: rgba(255, 255, 255, 0.05); }
.stats dt { font: 800 11px/1 var(--body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.stats dd { margin: 6px 0 0; font: 800 22px/1 var(--display); font-variant-numeric: tabular-nums; }
.stats.small dd { font-size: 18px; }

.tiers { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tier:first-child { grid-column: 1 / -1; }
.tier {
  display: flex; flex-direction: column; align-items: flex-start; gap: 3px;
  padding-inline: 12px; padding-block: 10px;
  min-height: 56px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid transparent;
  text-align: left;
}
.tier b { font: 800 16px/1 var(--display); }
.tier small { color: var(--muted); font-size: 12px; }
.tier[aria-checked="true"] { border-color: var(--gold); background: rgba(255, 207, 90, 0.1); }

/* Daily calendar. */
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: -4px; }
.cal-title {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 44px; padding-inline: 12px; border-radius: 12px;
  font: 800 18px/1 var(--display);
}
.cal-title::after { content: "▾"; font-size: 12px; color: var(--muted); transition: transform 160ms; }
.cal-title[aria-expanded="true"]::after { transform: rotate(180deg); }
.cal-title:active { background: rgba(255, 255, 255, 0.06); }
.cal-head .flip { transform: scaleX(-1); }
.cal-head .icon-btn:disabled { opacity: 0.3; cursor: default; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-wd { text-align: center; font: 800 11px/1 var(--body); color: var(--faint); padding-block: 4px 2px; }
.cal-day {
  aspect-ratio: 1; min-width: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  border-radius: 12px; border: 1.5px solid transparent;
  background: rgba(255, 255, 255, 0.06); color: var(--muted);
  font: 800 15px/1 var(--display); font-variant-numeric: tabular-nums;
  transition: transform 90ms ease;
}
.cal-day i { font-style: normal; font-size: 8px; line-height: 1; letter-spacing: 1px; color: var(--gold); }
.cal-day:active:not(:disabled) { transform: scale(0.92); }
.cal-day.done { background: rgba(65, 214, 195, 0.2); color: var(--text); }
.cal-day.late { background: transparent; border: 1.5px dashed rgba(65, 214, 195, 0.55); color: var(--text); }
.cal-day.off { background: transparent; color: var(--faint); opacity: 0.45; cursor: default; }
.cal-day.today { border: 2px solid var(--gold); color: var(--text); }
/* Month picker: about the footprint of a five-week month, so the sheet barely moves. */
.cal.months { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr); aspect-ratio: 7 / 5.5; gap: 8px; }
.cal-month {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  border-radius: 14px; border: 1.5px solid transparent;
  background: rgba(255, 255, 255, 0.06); color: var(--text);
  font: 800 16px/1 var(--display);
}
.cal-month small { font: 800 11px/1 var(--body); color: var(--teal); }
.cal-month.shown { background: rgba(65, 214, 195, 0.16); }
.cal-month.today { border-color: var(--gold); }
.cal-month:disabled { opacity: 0.35; cursor: default; }
.cal-month:active:not(:disabled) { transform: scale(0.95); }
#calToday .cal-stars { color: rgba(255, 255, 255, 0.2); letter-spacing: 2px; }
#calToday .cal-stars b { color: var(--gold); font-weight: inherit; }
#calToday small { font: 700 14px/1 var(--body); color: var(--muted); }

.toggles { display: flex; flex-direction: column; }
.toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 60px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.toggle:last-child { border-bottom: 0; }
.toggle span { display: flex; flex-direction: column; gap: 2px; }
.toggle b { font-weight: 800; }
.toggle small { color: var(--muted); font-size: 13px; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle i {
  flex: none; position: relative;
  width: 50px; height: 30px; border-radius: 15px;
  background: rgba(255, 255, 255, 0.14);
  transition: background 180ms;
}
.toggle i::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: transform 200ms var(--spring);
}
.toggle input:checked + i { background: var(--teal); }
.toggle input:checked + i::after { transform: translateX(20px); }

/* Sign-in and sync, in the settings sheet. */
.account { display: flex; flex-direction: column; gap: 10px; }
.account > div { display: flex; flex-direction: column; gap: 10px; }
.acct-row { display: flex; gap: 8px; }
.acct-row input {
  flex: 1; min-width: 0; min-height: 52px; padding-inline: 16px;
  border-radius: 16px; border: 1px solid var(--line);
  background: rgba(6, 8, 24, 0.45); color: var(--text);
  font: 700 16px/1 var(--body); /* 16px keeps iOS from zooming in */
  -webkit-user-select: text; user-select: text;
}
.acct-row input::placeholder { color: var(--faint); }
.acct-row input:focus-visible { outline: 3px solid var(--gold); outline-offset: 1px; }
#acctCodeInput { letter-spacing: 0.2em; font-variant-numeric: tabular-nums; }
.acct-row .btn { flex: none; }
#acctCode .link-btn { align-self: flex-start; margin: -6px 0 0 -10px; }
.account > .acct-in { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; }
.acct-in p { margin: 0; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.acct-in b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-in small { color: var(--muted); font-size: 13px; }
.acct-in .link-btn { flex: none; }
.acct-captcha:empty { display: none; }
.acct-captcha { display: flex; justify-content: center; }
.acct-error { margin: 0; color: #ffb3bf; font-size: 14px; }
.account button:disabled, .account input:disabled { opacity: 0.55; cursor: default; }

.rules { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.rules li { padding-left: 4px; }
.rules li::marker { color: var(--gold); font-family: var(--display); font-weight: 800; }
.rules b { color: var(--text); }
.keys kbd {
  display: inline-block; min-width: 22px; padding: 1px 6px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.1); color: var(--text);
  font: 800 12px/1.5 var(--body); text-align: center;
}
@media (hover: none) { .keys { display: none; } }

@media (min-height: 760px) {
  .tools { padding-block: 10px 24px; }
  .caption, .toast { bottom: 124px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
}