:root {
  color-scheme: light;

  --md-primary: #6750a4;
  --md-on-primary: #ffffff;
  --md-primary-container: #eaddff;
  --md-on-primary-container: #21005d;
  --md-secondary-container: #e8def8;
  --md-on-secondary-container: #1d192b;
  --md-surface: #fef7ff;
  --md-on-surface: #1d1b20;
  --md-surface-variant: #e7e0ec;
  --md-on-surface-variant: #49454f;
  --md-outline-variant: #cac4d0;
  --md-surface-container-low: #f7f2fa;
  --md-surface-container: #f3edf7;
  --md-surface-container-high: #ece6f0;
  --md-surface-container-highest: #e6e0e9;
  --md-error: #b3261e;
  --md-error-container: #f9dedc;
  --md-on-error-container: #410e0b;

  --success: #146c2e;
  --success-container: #c4eed0;
  --on-success-container: #00210b;

  --mascot-bg: #fde8d4;

  --elevation-1: 0 1px 2px 0 rgba(0, 0, 0, .3), 0 1px 3px 1px rgba(0, 0, 0, .12);
  --elevation-2: 0 1px 2px 0 rgba(0, 0, 0, .3), 0 2px 6px 2px rgba(0, 0, 0, .12);

  --motion-standard: cubic-bezier(.2, 0, 0, 1);
  --motion-emphasized: cubic-bezier(.05, .7, .1, 1);
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --md-primary: #d0bcff;
  --md-on-primary: #381e72;
  --md-primary-container: #4f378b;
  --md-on-primary-container: #eaddff;
  --md-secondary-container: #4a4458;
  --md-on-secondary-container: #e8def8;
  --md-surface: #141218;
  --md-on-surface: #e6e0e9;
  --md-surface-variant: #49454f;
  --md-on-surface-variant: #cac4d0;
  --md-outline-variant: #49454f;
  --md-surface-container-low: #1d1b20;
  --md-surface-container: #211f26;
  --md-surface-container-high: #2b2930;
  --md-surface-container-highest: #36343b;
  --md-error: #f2b8b5;
  --md-error-container: #8c1d18;
  --md-on-error-container: #f9dedc;

  --success: #8bd99f;
  --success-container: #0b5222;
  --on-success-container: #a7f5b8;

  --elevation-1: 0 1px 2px 0 rgba(0, 0, 0, .5), 0 1px 3px 1px rgba(0, 0, 0, .35);
  --elevation-2: 0 1px 2px 0 rgba(0, 0, 0, .5), 0 2px 6px 2px rgba(0, 0, 0, .35);
}

:root[data-theme="dark"] .avatar,
:root[data-theme="dark"] .brand-mark {
  background: color-mix(in srgb, var(--mascot-bg) 24%, var(--md-surface-container));
}

:root[data-theme="dark"] .avatar img,
:root[data-theme="dark"] .brand-mark img {
  filter: saturate(.94) brightness(1.04);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  padding:
    max(12px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
  font-family: "Roboto", ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--md-on-surface);
  background:
    radial-gradient(120% 62% at 50% -20%, color-mix(in srgb, var(--mascot-bg) 62%, transparent) 0%, transparent 70%),
    var(--md-surface);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 300ms var(--motion-standard), color 300ms var(--motion-standard);
}

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.app {
  width: 100%;
  max-width: 440px;
  margin: auto;
}

.top-app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 2px 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}

.brand-mark {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--mascot-bg);
  color: var(--md-on-surface);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  overflow: hidden;
  transition: background-color 250ms var(--motion-standard);
}

.brand-mark img { width: 100%; height: 100%; display: block; }
.brand-mark.is-animal { font-size: 0; }

.brand-text { min-width: 0; }

.brand-title {
  margin: 0;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  margin: 1px 0 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: .3px;
  color: var(--md-on-surface-variant);
}

.top-actions {
  display: flex;
  gap: 0;
  flex: none;
}

.icon-button {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 200ms var(--motion-standard), color 200ms var(--motion-standard);
}

.icon-button::before,
.key::before,
.next-button::before,
.mascot-option::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: currentColor;
  opacity: 0;
  transition: opacity 150ms var(--motion-standard);
}

.icon-button:hover::before,
.key:hover::before,
.next-button:hover::before { opacity: .08; }

.icon-button:active::before,
.key:active::before,
.next-button:active::before { opacity: .12; }

.icon-button[aria-pressed="true"] {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.icon-button .icon-off { display: none; }
.icon-button[aria-pressed="false"] .icon-on { display: none; }
.icon-button[aria-pressed="false"] .icon-off { display: block; }

.icon-button svg { width: 22px; height: 22px; }

#themeToggle .icon-moon { display: none; }
:root[data-theme="dark"] #themeToggle .icon-moon { display: block; }
:root[data-theme="dark"] #themeToggle .icon-sun { display: none; }

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 5px;
  margin: 0 0 12px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px 9px 9px;
  border-radius: 16px;
  background: var(--md-surface-container);
}

.stat-value {
  font-size: 20px;
  line-height: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.2px;
}

.stat-label {
  font-size: 11px;
  line-height: 15px;
  font-weight: 500;
  letter-spacing: .25px;
  color: var(--md-on-surface-variant);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat--time .stat-value {
  color: var(--md-primary);
}

.stat--miss .stat-value {
  color: var(--md-error);
}

.stat-value.bump { animation: bump 320ms var(--motion-emphasized); }

.card {
  position: relative;
  padding: clamp(16px, 4.4vw, 24px);
  border-radius: 28px;
  background: var(--md-surface-container-low);
  box-shadow: var(--elevation-1);
  transition: box-shadow 250ms var(--motion-standard), background-color 300ms var(--motion-standard);
}

.card.is-correct,
.card.is-revealed { box-shadow: var(--elevation-2); }

.stepper {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}

.stepper-dot {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  background: var(--md-surface-container-highest);
  transition: background-color 200ms var(--motion-standard);
}

.stepper-dot.is-active { background: var(--md-primary); }

.setup-title {
  margin: 0 0 6px;
  font-size: 22px;
  line-height: 28px;
  font-weight: 500;
}

.setup-text {
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 20px;
  color: var(--md-on-surface-variant);
}

.field {
  position: relative;
  margin: 16px 0 6px;
}

.field-input {
  width: 100%;
  height: 60px;
  padding: 22px 16px 8px;
  border: 1px solid var(--md-outline-variant);
  border-radius: 12px;
  background: transparent;
  color: var(--md-on-surface);
  font: inherit;
  font-size: 18px;
  font-weight: 500;
  outline: none;
  transition: border-color 150ms var(--motion-standard), box-shadow 150ms var(--motion-standard);
}

.field-input:focus {
  border-color: var(--md-primary);
  box-shadow: inset 0 0 0 1px var(--md-primary);
}

.field-label {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 4px;
  background: var(--md-surface-container-low);
  color: var(--md-on-surface-variant);
  font-size: 16px;
  pointer-events: none;
  transition: top 150ms var(--motion-standard), font-size 150ms var(--motion-standard), color 150ms var(--motion-standard), background-color 300ms var(--motion-standard);
}

.field-input:focus + .field-label,
.field-input:not(:placeholder-shown) + .field-label {
  top: 0;
  font-size: 12px;
  color: var(--md-primary);
}

.field-error {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 16px;
  font-weight: 500;
  color: var(--md-error);
}

.mascot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin: 14px 0 4px;
  max-height: min(46vh, 300px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2px;
  scrollbar-width: thin;
}

.mascot-option {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 6px 3px;
  border: 1.5px solid transparent;
  border-radius: 16px;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 150ms var(--motion-standard), border-color 150ms var(--motion-standard), transform 80ms var(--motion-standard);
}

.mascot-option:active { transform: scale(.95); }
.mascot-option:hover::before { opacity: .06; }

.mascot-option[aria-pressed="true"] {
  background: var(--md-primary-container);
  border-color: var(--md-primary);
  color: var(--md-on-primary-container);
}

.mascot-option-avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--option-bg, transparent);
  transition: background-color 200ms var(--motion-standard);
}

.mascot-option-avatar img {
  width: 100%;
  height: 100%;
  display: block;
}

.mascot-option-name {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  line-height: 14px;
  font-weight: 500;
}

.coach {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 12px 0 0;
}

#game .coach { margin: 0 0 10px; }

.avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--mascot-bg);
  overflow: hidden;
  transition: background-color 250ms var(--motion-standard);
}

.avatar img { width: 100%; height: 100%; display: block; }

.avatar.yay { animation: yay 560ms var(--motion-emphasized); }
.avatar.oops { animation: oops 460ms var(--motion-standard); }

.bubble {
  position: relative;
  flex: 1;
  min-width: 0;
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  padding: 9px 13px;
  border-radius: 16px;
  border-top-left-radius: 5px;
  background: var(--md-surface-container-high);
  color: var(--md-on-surface);
  font-size: 14.5px;
  line-height: 20px;
  font-weight: 500;
  transition: background-color 200ms var(--motion-standard), color 200ms var(--motion-standard);
}

.bubble::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 12px;
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-right: 8px solid var(--md-surface-container-high);
  transition: border-right-color 200ms var(--motion-standard);
}

.bubble[data-tone="ok"] { background: var(--success-container); color: var(--on-success-container); }
.bubble[data-tone="ok"]::before { border-right-color: var(--success-container); }
.bubble[data-tone="err"] { background: var(--md-error-container); color: var(--md-on-error-container); }
.bubble[data-tone="err"]::before { border-right-color: var(--md-error-container); }
.bubble[data-tone="info"] { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.bubble[data-tone="info"]::before { border-right-color: var(--md-primary-container); }

.bubble-icon {
  flex: none;
  display: inline-flex;
  width: 17px;
  height: 17px;
}

.bubble-icon svg { width: 100%; height: 100%; }

.bubble-text { min-width: 0; }

.question {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1.6vw, 10px);
  margin: 2px 0 8px;
  min-height: 1.2em;
  font-size: clamp(30px, 9.8vw, 44px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.6px;
  font-variant-numeric: tabular-nums;
  color: var(--md-on-surface);
}

.question.pop { animation: pop-in 260ms var(--motion-emphasized); }
.question.shake { animation: shake 400ms var(--motion-standard); }

.operator {
  font-weight: 400;
  color: var(--md-on-surface-variant);
  letter-spacing: 0;
}

.answer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5ch;
  min-height: 1.08em;
  padding: .02em .16em .06em;
  border-radius: 14px;
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-size: .8em;
  line-height: 1.1;
  letter-spacing: -.4px;
  transition: background-color 180ms var(--motion-standard), color 180ms var(--motion-standard);
}

.answer.is-empty {
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
}

.card.is-correct .answer,
.card.is-revealed .answer {
  background: var(--success-container);
  color: var(--on-success-container);
}

.answer.flash { animation: flash 360ms var(--motion-standard); }
.answer.pop { animation: answer-pop 260ms var(--motion-emphasized); }

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(7px, 2vw, 10px);
}

.key {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  place-items: center;
  height: clamp(46px, 7vh, 60px);
  padding: 0;
  border: 0;
  border-radius: 20px;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  font: inherit;
  font-size: clamp(21px, 5.6vw, 25px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  transition: transform 90ms var(--motion-standard);
}

.key:active { transform: scale(.97); }
.key svg { width: 25px; height: 25px; }

.key--delete {
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
}

.key--confirm {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.key--confirm:disabled {
  background: color-mix(in srgb, var(--md-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-on-surface) 38%, transparent);
  cursor: not-allowed;
  transform: none;
}

.key--confirm:disabled::before { display: none; }

.next-button {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  width: 100%;
  min-height: 54px;
  margin-top: 12px;
  padding: 0 24px;
  border: 0;
  border-radius: 27px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font: inherit;
  font-size: 16px;
  line-height: 20px;
  font-weight: 500;
  letter-spacing: .2px;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 90ms var(--motion-standard);
}

.next-button:active { transform: scale(.98); }

.next-button:disabled {
  background: color-mix(in srgb, var(--md-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-on-surface) 38%, transparent);
  cursor: not-allowed;
  transform: none;
}

.next-button:disabled::before { display: none; }

.next-button.spaced { margin-top: 16px; }

.footnote {
  margin: 14px 0 0;
  text-align: center;
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
  letter-spacing: .3px;
  color: var(--md-on-surface-variant);
}

.ripple {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  background: currentColor;
  opacity: .22;
  transform: scale(0);
  pointer-events: none;
  animation: ripple 520ms var(--motion-standard) forwards;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--md-primary);
  outline-offset: 2px;
}

.confetti {
  position: fixed;
  inset: 0;
  z-index: 20;
  overflow: hidden;
  pointer-events: none;
}

.confetti i {
  position: absolute;
  top: -16px;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  animation: fall 1.4s linear forwards;
}

:root[data-theme="dark"] .card { border: 1px solid var(--md-outline-variant); }

@media (max-height: 680px) {
  .footnote { display: none; }
  .key { height: 44px; }
  .avatar { width: 44px; height: 44px; }
  .bubble { min-height: 44px; padding: 7px 12px; font-size: 13.5px; }
  .question { font-size: 30px; margin-bottom: 6px; }
  .stat { padding: 6px 8px 8px; }
  .stat-value { font-size: 17px; line-height: 22px; }
  .stat-label { font-size: 10px; letter-spacing: .1px; }
  .mascot-option { padding: 4px 3px; }
  .mascot-option-avatar { width: 34px; height: 34px; }
}

@media (max-width: 380px) {
  .brand { gap: 8px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 12px; }
  .brand-title { font-size: 18px; line-height: 22px; }
  .icon-button { width: 38px; height: 38px; }
  .icon-button svg { width: 20px; height: 20px; }
}

@media (max-width: 360px) {
  .question { font-size: 28px; gap: 4px; }
  .mascot-grid { gap: 5px; }
  .mascot-option-name { font-size: 10px; }
  .stat-value { font-size: 17px; }
  .stat { padding: 7px 7px 8px; }
}

@keyframes pop-in {
  from { opacity: 0; transform: translateY(6px) scale(.985); }
  to { opacity: 1; transform: none; }
}

@keyframes answer-pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.09); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-7px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes flash {
  0%, 100% { background: var(--md-surface-container-highest); color: var(--md-on-surface-variant); }
  50% { background: var(--md-error-container); color: var(--md-on-error-container); }
}

@keyframes bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.18); }
  100% { transform: scale(1); }
}

@keyframes yay {
  0%, 100% { transform: none; }
  25% { transform: translateY(-7px) rotate(-7deg); }
  55% { transform: translateY(-3px) rotate(6deg); }
  80% { transform: translateY(-1px) rotate(-3deg); }
}

@keyframes oops {
  0%, 100% { transform: none; }
  20% { transform: rotate(-8deg); }
  45% { transform: rotate(7deg); }
  70% { transform: rotate(-4deg); }
}

@keyframes ripple {
  to { transform: scale(1); opacity: 0; }
}

@keyframes fall {
  to { transform: translateY(106vh) rotate(560deg); opacity: .85; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .ripple { display: none; }
  .confetti { display: none; }
}