:root {
  --bg: #0b1220;
  --panel: #121b2f;
  --panel2: #0f1730;
  --text: #e7ecff;
  --muted: rgba(231, 236, 255, 0.72);
  --border: rgba(231, 236, 255, 0.12);
  --key: rgba(231, 236, 255, 0.08);
  --keyHover: rgba(231, 236, 255, 0.14);
  --accent: #6ea8ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 50% 0%, #12204a, var(--bg));
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.siteFooter {
  margin-top: auto;
  text-align: center;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.75);
}

.app {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr 1fr;
}

.app.app--keyboardHidden {
  grid-template-rows: auto 1fr;
}

.app.app--home {
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.app.app--talk {
  grid-template-rows: auto 1fr 1fr;
}

.app.app--add,
.app.app--beforeAfter {
  grid-template-rows: auto 1fr 1fr;
}

.app.app--find {
  grid-template-rows: auto 1fr;
}

.app.app--keyboardHidden #keyboard {
  display: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.75);
  backdrop-filter: blur(10px);
}

.topbar--centeredActions {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.topbar--centeredActions .brand {
  grid-column: 1;
  justify-self: start;
}

.topbar--centeredActions .topActions {
  grid-column: 2;
  justify-self: center;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.4px;
}

.topActions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topBtn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
  font-weight: 650;
  line-height: 1.25;
  cursor: pointer;
  box-sizing: border-box;
}

a.topBtn {
  text-decoration: none;
}

.topBtn--nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.5rem;
  padding: 8px 14px;
  text-align: center;
  box-sizing: border-box;
}

.topBtn:hover {
  background: rgba(231, 236, 255, 0.1);
}

.status {
  font-size: 12px;
  color: var(--muted);
}

/* Layout rule: main = top 1/2, keyboard = bottom 1/2 */
.main {
  display: grid;
  place-items: stretch;
  padding: 16px;
  overflow: auto;
  min-height: 0;
}

.mainStage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
}

.cornerControls {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.roundRenewBtn,
.keyboardToggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 0;
}

.roundRenewBtn:hover,
.keyboardToggle:hover {
  background: rgba(231, 236, 255, 0.1);
}

.roundRenewBtn:focus-visible,
.keyboardToggle:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.roundRenewIcon,
.keyboardToggleIcon {
  display: block;
}

.caseToggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
}

.caseToggle:hover {
  background: rgba(231, 236, 255, 0.1);
}

.caseToggle:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.speechToggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 0;
}

.speechToggle:hover {
  background: rgba(231, 236, 255, 0.1);
}

.speechToggle:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.speechToggleIcon {
  display: block;
}

.speechToggle[aria-pressed="true"] .speechToggleIcon--on {
  display: none;
}

.speechToggle[aria-pressed="true"] .speechToggleIcon--off {
  display: block;
}

.speechToggle[aria-pressed="false"] .speechToggleIcon--on {
  display: block;
}

.speechToggle[aria-pressed="false"] .speechToggleIcon--off {
  display: none;
}

.countdown {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.countdown[hidden] {
  display: none;
}

.countdownValue {
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(120px, 30vh, 400px);
  color: var(--accent);
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  user-select: none;
}

.mainLetter {
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(96px, 24vh, 320px);
  color: rgba(231, 236, 255, 0.92);
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  user-select: none;
}

.mainLetter[hidden] {
  visibility: hidden;
}

/* Extra vertical space when on-screen keyboard is hidden */
.app.app--keyboardHidden .mainLetter {
  font-size: clamp(120px, min(46vmin, 52vh), 520px);
}

.panel {
  width: min(880px, 100%);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(18, 27, 47, 0.92), rgba(15, 23, 48, 0.92));
  box-shadow: var(--shadow);
  border-radius: 16px;
  padding: 18px;
}

.title {
  margin: 0 0 6px 0;
  font-size: 18px;
}

.subtitle {
  margin: 0 0 14px 0;
  color: var(--muted);
  line-height: 1.4;
}

.field {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px 0;
}

.field.appList {
  margin-top: 0;
  grid-auto-flow: column;
  justify-content: start;
  width: fit-content;
}

.appLink {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Flash app: playing-card layout */
.flashStage {
  place-items: center;
}

.flashDeck {
  display: grid;
  gap: 16px;
  justify-items: center;
}

.flashPanel {
  width: min(340px, 92vw);
  display: grid;
  gap: 12px;
  padding: 14px;
}

.flashTitleToggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 0;
}

.flashTitleToggle:hover {
  background: rgba(231, 236, 255, 0.1);
}

.flashTitleToggle:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.flashTitleIcon {
  display: block;
}

.flashTitleToggle[aria-pressed="true"] .flashTitleIcon--on {
  display: block;
}

.flashTitleToggle[aria-pressed="true"] .flashTitleIcon--off {
  display: none;
}

.flashTitleToggle[aria-pressed="false"] .flashTitleIcon--on {
  display: none;
}

.flashTitleToggle[aria-pressed="false"] .flashTitleIcon--off {
  display: block;
}

.flashImageToggle {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  line-height: 0;
}

.flashImageToggle:hover:not(:disabled) {
  background: rgba(231, 236, 255, 0.1);
}

.flashImageToggle:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.flashImageIcon {
  display: block;
}

.flashImageToggle[aria-pressed="true"] .flashImageIcon--on {
  display: block;
}

.flashImageToggle[aria-pressed="true"] .flashImageIcon--off {
  display: none;
}

.flashImageToggle[aria-pressed="false"] .flashImageIcon--on {
  display: none;
}

.flashImageToggle[aria-pressed="false"] .flashImageIcon--off {
  display: block;
}

.flashTitleToggle:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.flashCardTitle {
  margin: 0 0 12px 0;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--text);
}

.flashPanel--titleHidden .flashCardTitle {
  display: none;
}

.flashPanel--noImage .flashCard {
  display: none;
}

.flashPanel--noImage .flashCardTitle {
  margin: 0;
  min-height: min(300px, 52vh);
  display: grid;
  place-items: center;
  font-size: clamp(2.2rem, 10vw, 3.4rem);
  line-height: 1.1;
}

.flashCard {
  width: min(300px, 78vw);
  aspect-ratio: 5 / 7;
  background: #fff;
  color: #111827;
  border: 2px solid #1f2937;
  border-radius: 18px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.65) inset,
    0 14px 28px rgba(0, 0, 0, 0.35);
  display: grid;
  grid-template-rows: 1fr;
  padding: 14px;
  user-select: none;
  margin: 0 auto;
}

.flashCardArt {
  display: grid;
  place-items: center;
  min-height: 0;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.flashCardImage {
  display: block;
  max-width: 88%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
}

.flashNextBtn {
  min-width: 140px;
}

/* Find app */
.findMain {
  padding: 12px;
}

.findStage {
  width: 100%;
  height: 100%;
  min-height: 0;
  place-items: center;
}

.findRoundProgress {
  align-self: flex-start;
  margin-bottom: 4px;
}

#findStage.findStage {
  width: 100%;
  max-width: min(920px, 100%);
  display: grid;
  gap: 16px;
  justify-items: center;
  align-content: center;
  padding: 8px;
}

.findCardCountLabel {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  margin: 0;
}

.findCardCountSelect {
  width: 100%;
  min-width: 52px;
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.06);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.findCardCountSelect:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(110, 168, 255, 0.35);
}

.findCardCountSelect:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.findPair {
  display: grid;
  gap: clamp(12px, 3vw, 24px);
  width: 100%;
}

.findPair[data-count="2"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: min(720px, 100%);
}

.findPair[data-count="3"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: min(960px, 100%);
}

.findPair[data-count="4"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: min(720px, 100%);
}

@media (max-width: 520px) {
  .findPair[data-count="3"] {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(8px, 2vw, 16px);
  }
}

.findChoice {
  appearance: none;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 18px;
  touch-action: manipulation;
}

.findChoice:disabled {
  cursor: default;
  opacity: 0.85;
}

.findChoice:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.35);
}

.findChoiceCard {
  width: 100%;
  max-width: none;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.findChoice:not(:disabled):hover .findChoiceCard {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.65) inset,
    0 18px 32px rgba(0, 0, 0, 0.4);
}

.findChoice--correct .findChoiceCard {
  box-shadow:
    0 0 0 4px rgba(110, 168, 255, 0.55),
    0 14px 28px rgba(0, 0, 0, 0.35);
}

.findChoice--wrong .findChoiceCard {
  box-shadow:
    0 0 0 4px rgba(248, 113, 113, 0.65),
    0 14px 28px rgba(0, 0, 0, 0.35);
}

.findFeedback {
  margin: 0;
  min-height: 1.5em;
  font-size: clamp(1rem, 3vmin, 1.35rem);
  font-weight: 650;
  text-align: center;
  color: var(--accent);
}

.findRoundMessage {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* Talk app */
.talkMain {
  padding: 12px;
}

.talkWorkspace {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
}

.talkPanel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 14px;
  padding: 10px 12px;
  overflow: hidden;
}

.talkInputPanel {
  grid-template-rows: 1fr;
  gap: 0;
}

.talkInput {
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  font-family: inherit;
  font-size: 2rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  cursor: text;
}

.talkInput:focus {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.talkBlockCursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 1px;
  vertical-align: -0.12em;
  background: var(--accent);
  animation: talkBlockCursorBlink 1s step-end infinite;
}

@keyframes talkBlockCursorBlink {
  50% {
    opacity: 0;
  }
}

.talkSuggestPanel {
  grid-template-rows: 1fr;
  gap: 0;
}

.talkSuggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-content: flex-start;
  overflow: auto;
  min-height: 0;
}

.talkSuggestionBtn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(231, 236, 255, 0.08);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 28px;
  font-size: 2rem;
  font-weight: 650;
  cursor: pointer;
}

.talkSuggestionBtn:hover {
  background: rgba(231, 236, 255, 0.14);
}

.label {
  font-size: 12px;
  color: var(--muted);
}

.input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px 12px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.output {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.outputLabel {
  font-size: 12px;
  color: var(--muted);
}

.outputValue {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  min-height: 44px;
  overflow: auto;
}

.keyboard {
  border-top: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  padding: 10px 10px 14px;
  display: grid;
  gap: 10px;
  align-content: stretch;
  grid-auto-rows: 1fr;
  container-type: size;
  touch-action: manipulation;
}

.keyboard--withBar {
  grid-template-rows: auto 1fr;
  align-content: stretch;
}

.keyboardTopBar {
  display: flex;
  align-items: center;
  min-height: 0;
  padding: 0 2px 2px;
}

.roundProgress {
  font-weight: 800;
  font-size: clamp(16px, 3.5cqh, 22px);
  letter-spacing: 0.02em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.roundProgress[hidden] {
  display: none;
}

.keyboardKeys {
  min-height: 0;
  display: grid;
  gap: 10px;
  grid-auto-rows: 1fr;
  container-type: size;
}

.kbdRow {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 8px;
  align-items: stretch;
  height: 100%;
}

.spacer {
  display: block;
}

.key {
  appearance: none;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(231, 236, 255, 0.08), rgba(231, 236, 255, 0.04));
  color: var(--text);
  border-radius: 12px;
  padding: 10px 8px;
  font-weight: 650;
  letter-spacing: 0.06em;
  font-size: clamp(14px, 9cqh, 34px);
  height: 100%;
  min-height: 0;
  user-select: none;
  -webkit-user-select: none;
}

.key:active {
  transform: translateY(1px);
}

.key:hover {
  background: linear-gradient(180deg, var(--keyHover), rgba(231, 236, 255, 0.06));
}

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

.key--space {
  grid-column: span 5;
}

.overlay[hidden] {
  display: none;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
}

.overlayBackdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.overlayCard {
  position: relative;
  width: min(920px, calc(100vw - 24px));
  max-height: min(720px, calc(100dvh - 24px));
  overflow: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(18, 27, 47, 0.96), rgba(15, 23, 48, 0.96));
  box-shadow: var(--shadow);
}

.overlayHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.75);
  backdrop-filter: blur(10px);
}

.overlayTitle {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.overlayHeaderActions {
  display: flex;
  gap: 8px;
}

.overlayBody {
  padding: 14px;
  display: grid;
  gap: 14px;
}

.statsGrid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 14px;
  padding: 10px 12px;
}

.statLabel {
  font-size: 12px;
  color: var(--muted);
}

.statValue {
  margin-top: 4px;
  font-weight: 900;
  font-size: 22px;
}

.perLetterHeader {
  font-size: 12px;
  color: var(--muted);
}

.perLetter {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.letterStat {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.letterStatKey {
  font-weight: 900;
}

.letterStatVal {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 520px) {
  .panel {
    border-radius: 14px;
    padding: 14px;
  }

  .statsGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .perLetter {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .key {
    border-radius: 10px;
    padding: 10px 6px;
    font-weight: 700;
    letter-spacing: 0.4px;
  }
}

/* Add app */
.addMain {
  padding: 12px;
}

.addRestartBtn {
  padding: 8px 12px;
  font-size: 14px;
}

.addStage {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
}

.addStage[hidden] {
  display: none !important;
}

.addProblem {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35em 0.5em;
  font-weight: 800;
  font-size: clamp(2rem, 8vmin, 4.5rem);
  letter-spacing: 0.02em;
  color: var(--text);
  user-select: none;
}

.addOperand {
  min-width: 1ch;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.addOp,
.addEq {
  color: var(--muted);
}

.addAnswer {
  display: inline-flex;
  gap: 0.3em;
  align-items: center;
}

.addAnswerBox {
  display: inline-grid;
  place-items: center;
  min-width: 1.15em;
  height: 1.3em;
  border-bottom: 4px solid var(--border);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.addAnswerBox--active {
  border-bottom-color: var(--accent);
}

.addAnswerBox--filled {
  border-bottom-color: rgba(231, 236, 255, 0.4);
}

.addFeedback {
  margin: 0;
  text-align: center;
  font-size: clamp(1rem, 3vmin, 1.35rem);
  font-weight: 650;
  min-height: 1.5em;
  color: var(--accent);
}

.numKeyboard {
  border-top: 1px solid var(--border);
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  padding: 10px 10px 14px;
  display: grid;
  gap: 10px;
  grid-auto-rows: 1fr;
  container-type: size;
  touch-action: manipulation;
}

.numKeyboard--withBar {
  grid-template-rows: auto 1fr;
  align-content: stretch;
}

.numKeyboardKeys {
  min-height: 0;
  display: grid;
  gap: 10px;
  grid-auto-rows: 1fr;
  container-type: size;
}

.numRow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-items: stretch;
  height: 100%;
}

.numRow:last-child {
  grid-template-columns: repeat(2, 1fr);
}

.numKey {
  appearance: none;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(231, 236, 255, 0.08), rgba(231, 236, 255, 0.04));
  color: var(--text);
  border-radius: 12px;
  font: inherit;
  font-weight: 800;
  font-size: clamp(20px, 11cqh, 44px);
  cursor: pointer;
  touch-action: manipulation;
}

.numKey:hover {
  background: rgba(231, 236, 255, 0.14);
}

.numKey:focus-visible {
  outline: none;
  border-color: rgba(110, 168, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(110, 168, 255, 0.15);
}

.addRoundMessage {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.addTimeStats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.addRoundActions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.addRoundActions .topBtn {
  min-width: 7rem;
}

/* Before-After app */
.baMain {
  padding: 12px;
}

.baStage {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 20px;
  padding: 12px;
  text-align: center;
}

.baStage[hidden] {
  display: none !important;
}

.baQuestion {
  margin: 0;
  font-weight: 750;
  font-size: clamp(1.35rem, 5vmin, 2.25rem);
  line-height: 1.35;
  color: var(--text);
  max-width: 28em;
}

.baAnswerRow {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.3em;
  align-items: center;
  justify-content: center;
  max-width: 100%;
}

.baAnswerRow .addAnswerBox {
  font-size: clamp(1.5rem, 6vmin, 2.75rem);
}

.baFeedback {
  margin: 0;
  font-size: clamp(1rem, 3vmin, 1.35rem);
  font-weight: 650;
  min-height: 1.5em;
  color: var(--accent);
}

.baRoundMessage {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}