:root {
  color-scheme: light;
  --desktop: #3a7774;
  --button-face: #d4d0c8;
  --button-light: #ffffff;
  --button-mid: #808080;
  --button-dark: #404040;
  --window: #ffffff;
  --window-text: #111111;
  --title-blue: #0a246a;
  --title-blue-light: #316ac5;
  --selection: #0a246a;
  --selection-text: #ffffff;
  --tile-blue: #2c6fbb;
  --tile-orange: #df6b2e;
  --tile-green: #42824a;
  --tile-purple: #7a438c;
  --danger: #a71d2a;
  --success: #16743a;
  --warning: #8a5100;
  --font-ui: Tahoma, "Segoe UI", "Microsoft JhengHei UI", "Microsoft YaHei UI",
    "Yu Gothic UI", "Malgun Gothic", sans-serif;
  --font-numeric: Consolas, "Lucida Console", "Courier New", monospace;
  --raised:
    inset 1px 1px 0 var(--button-light),
    inset -1px -1px 0 var(--button-dark),
    inset 2px 2px 0 #ece9d8,
    inset -2px -2px 0 var(--button-mid);
  --sunken:
    inset 1px 1px 0 var(--button-dark),
    inset -1px -1px 0 var(--button-light),
    inset 2px 2px 0 var(--button-mid),
    inset -2px -2px 0 #ece9d8;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--desktop);
  font-family: var(--font-ui);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--window-text);
  background-color: var(--desktop);
}

button,
select,
a {
  font: inherit;
}

button,
a,
select {
  -webkit-tap-highlight-color: rgba(10, 36, 106, 0.22);
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
.number-tile:focus-visible {
  outline: 2px dotted #000000;
  outline-offset: -5px;
}

.skip-link {
  position: fixed;
  top: 4px;
  left: 4px;
  z-index: 12000;
  padding: 7px 10px;
  color: #000000;
  background: #ffffe1;
  border: 1px solid #000000;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.desktop {
  width: 100%;
  min-height: 100vh;
  padding: clamp(8px, 2.3vw, 28px);
  display: grid;
  place-items: center;
}

.app-window {
  width: min(1120px, 100%);
  overflow: hidden;
  background: var(--button-face);
  border: 2px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
  box-shadow:
    2px 2px 0 #000000,
    inset 1px 1px 0 #ece9d8,
    inset -1px -1px 0 var(--button-mid);
}

.title-bar {
  min-height: 34px;
  margin: 2px 2px 0;
  padding: 3px 4px 3px 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #ffffff;
  background: var(--title-blue);
}

.title-bar__identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

.title-bar__icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 2px;
}

.title-bar h1 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.title-bar__subtitle {
  min-width: 0;
  overflow: hidden;
  padding-left: 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.6);
  font-size: 12px;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-controls {
  flex: 0 0 auto;
  display: flex;
  gap: 3px;
}

.window-control {
  width: 24px;
  height: 22px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  color: #000000;
  line-height: 1;
  background: var(--button-face);
  border: 1px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
  box-shadow: inset 1px 1px 0 #ece9d8, inset -1px -1px 0 var(--button-mid);
}

.window-control--close {
  font-size: 19px;
  font-weight: 700;
}

button.window-control:active {
  padding: 2px 0 0 2px;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
  box-shadow: inset 1px 1px 0 var(--button-mid);
}

.menu-bar {
  min-height: 27px;
  padding: 2px 10px 3px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--button-mid);
  font-size: 13px;
}

.menu-bar__label {
  padding: 2px 3px;
}

.toolbar {
  min-height: 49px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-top: 1px solid var(--button-light);
  border-bottom: 1px solid var(--button-mid);
}

.toolbar__separator {
  align-self: stretch;
  width: 2px;
  margin: 0 2px;
  border-left: 1px solid var(--button-mid);
  border-right: 1px solid var(--button-light);
}

.classic-button {
  min-height: 34px;
  min-width: 44px;
  padding: 7px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #000000;
  text-decoration: none;
  background: var(--button-face);
  border: 2px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
  border-radius: 0;
  box-shadow: inset 1px 1px 0 #ece9d8, inset -1px -1px 0 var(--button-mid);
  cursor: pointer;
  user-select: none;
}

.classic-button:hover:not(:disabled) {
  background: #e4e1da;
}

.classic-button:active:not(:disabled),
.classic-button[aria-pressed="true"] {
  padding: 8px 11px 6px 13px;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
  box-shadow: inset 1px 1px 0 var(--button-mid);
}

.classic-button:disabled {
  color: var(--button-mid);
  text-shadow: 1px 1px 0 #ffffff;
  cursor: default;
}

.classic-button--default {
  box-shadow:
    inset 1px 1px 0 #ece9d8,
    inset -1px -1px 0 var(--button-mid),
    0 0 0 1px #000000;
}

.language-control {
  min-width: 0;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 5px;
}

.language-control select {
  width: clamp(120px, 16vw, 185px);
  min-height: 32px;
  padding: 4px 26px 4px 7px;
  color: #000000;
  background: var(--window);
  border: 2px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
  border-radius: 0;
}

.app-workspace {
  padding: 12px;
  display: grid;
  grid-template-columns: 176px minmax(460px, 1fr) 236px;
  gap: 12px;
  align-items: stretch;
  background: var(--button-face);
}

.score-panel,
.trainer-panel,
.rules-panel {
  min-width: 0;
}

.score-panel {
  padding: 10px;
  background: var(--button-face);
  border: 2px solid;
  border-color: var(--button-mid) var(--button-light) var(--button-light) var(--button-mid);
  box-shadow: inset 1px 1px 0 var(--button-dark);
}

.score-panel__heading {
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 700;
}

.goal-display {
  min-height: 66px;
  margin-bottom: 12px;
  display: grid;
  place-items: center;
  color: #ff3b28;
  background: #111111;
  border: 3px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
  font-family: var(--font-numeric);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  text-shadow: 1px 0 #5f0000;
}

.stat-list {
  margin: 0;
  display: grid;
  gap: 7px;
}

.stat-row {
  min-height: 42px;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: #ece9d8;
  border: 1px solid;
  border-color: var(--button-mid) var(--button-light) var(--button-light) var(--button-mid);
}

.stat-row dt {
  font-size: 12px;
}

.stat-row dd {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: 19px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat-row--primary {
  color: var(--selection-text);
  background: var(--selection);
  border-color: #051239 #5781d0 #5781d0 #051239;
}

.stat-row--primary dd {
  font-size: 24px;
}

.capacity-box {
  margin-top: 10px;
  padding: 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--window);
  border: 2px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
  font-size: 12px;
}

.capacity-box strong {
  font-family: var(--font-numeric);
  font-size: 15px;
}

.trainer-panel {
  padding: 10px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 10px;
  background: #ece9d8;
  border: 2px solid;
  border-color: var(--button-mid) var(--button-light) var(--button-light) var(--button-mid);
  box-shadow: inset 1px 1px 0 var(--button-dark);
}

.equation-console {
  min-height: 92px;
  padding: 7px 9px;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(180px, 1.5fr);
  grid-template-areas:
    "label feedback"
    "equation feedback";
  gap: 2px 12px;
  background: var(--window);
  border: 2px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
}

.equation-console__label {
  grid-area: label;
  align-self: end;
  font-size: 12px;
  font-weight: 700;
}

.equation {
  grid-area: equation;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: clamp(7px, 1.4vw, 16px);
  font-family: var(--font-numeric);
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.equation__goal {
  color: var(--title-blue);
}

.feedback-field {
  grid-area: feedback;
  min-width: 0;
  align-self: center;
  min-height: 48px;
  padding: 7px 9px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #000000;
  background: #ffffe1;
  border: 1px solid #808000;
  font-size: 13px;
  font-weight: 700;
}

.feedback-field__lamp {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  background: #767676;
  border: 1px solid #111111;
  box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.75);
}

.feedback-field[data-tone="running"] .feedback-field__lamp {
  background: var(--title-blue-light);
}

.feedback-field[data-tone="match"] {
  color: #064d24;
  background: #e2f3e4;
  border-color: var(--success);
}

.feedback-field[data-tone="match"] .feedback-field__lamp {
  background: #32a852;
}

.feedback-field[data-tone="mismatch"] {
  color: #72111b;
  background: #ffe8e8;
  border-color: var(--danger);
}

.feedback-field[data-tone="mismatch"] .feedback-field__lamp {
  background: #d92d3b;
}

.feedback-field[data-tone="paused"] {
  color: #5b3500;
  background: #fff4ce;
  border-color: var(--warning);
}

.feedback-field[data-tone="paused"] .feedback-field__lamp {
  background: #e19b1b;
}

.queue-panel {
  min-height: 0;
  padding: 7px;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--button-face);
  border: 2px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
}

.queue-panel__header {
  min-height: 26px;
  padding: 0 3px 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.queue-panel__header h2 {
  margin: 0;
  font-size: 13px;
}

.queue-direction {
  padding: 2px 5px;
  color: #ffffff;
  background: var(--title-blue);
  border: 1px solid #000000;
  font-family: var(--font-numeric);
  font-size: 11px;
}

.number-queue {
  width: 100%;
  min-width: 0;
  min-height: 0;
  padding: 7px;
  display: grid;
  grid-template-columns: repeat(5, minmax(58px, 1fr));
  grid-template-rows: repeat(2, minmax(68px, 1fr));
  gap: 7px;
  background: #767676;
  border: 2px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
}

.frame-cell {
  position: relative;
  min-width: 0;
  min-height: 68px;
  background: #f4f3ee;
  border: 2px solid;
  border-color: #303030 #ffffff #ffffff #303030;
  box-shadow: inset 1px 1px 0 #808080;
}

.frame-cell::after {
  content: attr(data-position);
  position: absolute;
  right: 3px;
  bottom: 2px;
  color: #737373;
  font-family: var(--font-numeric);
  font-size: 9px;
}

.frame-cell[data-occupied="true"]::after {
  color: rgba(255, 255, 255, 0.72);
  z-index: 2;
}

.frame-cell[data-preview="true"]::after {
  color: rgba(255, 255, 255, 0.72);
  z-index: 2;
}

.number-tile {
  position: absolute;
  inset: 5px;
  z-index: 1;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--tile-blue);
  border: 2px solid;
  border-color: #cce5ff #14375f #14375f #cce5ff;
  border-radius: 3px;
  box-shadow:
    inset 2px 2px 0 rgba(255, 255, 255, 0.28),
    inset -2px -2px 0 rgba(0, 0, 0, 0.28),
    2px 2px 0 #333333;
  font-family: var(--font-numeric);
  font-size: clamp(28px, 4vw, 45px);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  transition:
    inset 120ms ease,
    filter 120ms ease,
    transform 120ms ease;
  animation: tile-enter 180ms ease-out both;
}

.number-tile--preview {
  pointer-events: none;
  cursor: default;
  opacity: 0.82;
  filter: saturate(0.82);
  animation: none;
}

.number-tile[data-family="high"] {
  background: var(--tile-orange);
  border-color: #ffe2bf #783417 #783417 #ffe2bf;
}

.number-tile[data-family="zero"] {
  background: var(--tile-green);
  border-color: #d4f0d2 #173f1d #173f1d #d4f0d2;
}

.number-tile[data-family="pi"] {
  background: var(--tile-purple);
  border-color: #f0d9f6 #3f2149 #3f2149 #f0d9f6;
  font-family: Georgia, "Times New Roman", serif;
}

.number-tile:hover {
  filter: brightness(1.08);
}

.number-tile:active {
  inset: 7px 3px 3px 7px;
  box-shadow:
    inset 2px 2px 0 rgba(0, 0, 0, 0.28),
    inset -1px -1px 0 rgba(255, 255, 255, 0.28);
}

.number-tile[aria-selected="true"] {
  inset: 7px 3px 3px 7px;
  color: #000000;
  background: #ffd84a;
  border-color: #5a4700 #fff2a5 #fff2a5 #5a4700;
  box-shadow:
    inset 2px 2px 0 #8a6c00,
    inset -2px -2px 0 #fff3a8,
    0 0 0 2px #000000;
  transform: translate(1px, 1px);
}

.number-tile[data-removing="true"] {
  pointer-events: none;
  animation: tile-clear 220ms ease-in both;
}

.number-queue[data-feedback="mismatch"] .number-tile[aria-selected="true"] {
  background: #ef7272;
  border-color: #6e121b #ffd0d0 #ffd0d0 #6e121b;
  animation: tile-mismatch 190ms linear 2;
}

.number-queue[data-paused="true"] .number-tile {
  filter: grayscale(0.75);
  cursor: default;
}

.progress-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.classic-progress {
  height: 20px;
  padding: 3px;
  overflow: hidden;
  background: var(--window);
  border: 2px solid;
  border-color: var(--button-dark) var(--button-light) var(--button-light) var(--button-dark);
}

.classic-progress__fill {
  width: 0;
  height: 100%;
  background-color: var(--title-blue-light);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 10px,
    var(--window) 10px,
    var(--window) 12px
  );
  transition: width 220ms ease;
}

.progress-readout {
  min-width: 66px;
  font-family: var(--font-numeric);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.rules-panel {
  padding: 10px 11px;
  background: #ffffe1;
  border: 2px solid;
  border-color: var(--button-mid) var(--button-light) var(--button-light) var(--button-mid);
  box-shadow: inset 1px 1px 0 var(--button-dark);
}

.rules-panel h2 {
  margin: 0 0 9px;
  padding-bottom: 6px;
  color: var(--title-blue);
  border-bottom: 1px solid #b8b26c;
  font-size: 14px;
}

.rules-panel ol {
  margin: 0;
  padding-left: 24px;
  display: grid;
  gap: 7px;
  font-size: 12px;
  line-height: 1.45;
}

.rules-panel li::marker {
  font-family: var(--font-numeric);
  font-weight: 700;
}

.keyboard-hint {
  margin: 12px 0 0;
  padding: 7px;
  color: #ffffff;
  background: var(--title-blue);
  border: 1px solid #000000;
  font-size: 11px;
  line-height: 1.4;
}

.status-bar {
  min-height: 29px;
  margin: 0 4px 4px;
  padding-top: 3px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  gap: 3px;
  border-top: 1px solid var(--button-mid);
}

.status-bar__field {
  min-height: 23px;
  padding: 3px 7px;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow: hidden;
  background: var(--button-face);
  border: 1px solid;
  border-color: var(--button-mid) var(--button-light) var(--button-light) var(--button-mid);
  font-size: 11px;
  white-space: nowrap;
}

.status-bar__field--main {
  min-width: 0;
}

.status-bar__field--main span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-bar__icon {
  color: var(--success);
  font-size: 9px;
}

.level-notice {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 10500;
  min-width: min(330px, calc(100vw - 24px));
  padding: 8px 12px;
  display: grid;
  gap: 2px;
  color: #000000;
  background: #ffffe1;
  border: 2px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
  box-shadow: 2px 2px 0 #000000;
  font-size: 12px;
  transform: translateX(-50%);
  animation: notice-in 180ms ease-out both;
}

.level-notice strong {
  color: var(--title-blue);
  font-size: 13px;
}

.level-notice[hidden] {
  display: none;
}

.result-dialog {
  width: min(430px, calc(100vw - 24px));
  padding: 3px;
  color: #000000;
  background: var(--button-face);
  border: 2px solid;
  border-color: var(--button-light) var(--button-dark) var(--button-dark) var(--button-light);
  border-radius: 0;
  box-shadow: 3px 3px 0 #000000;
}

.result-dialog::backdrop {
  background: rgba(0, 0, 0, 0.54);
}

.result-dialog__title-bar {
  min-height: 31px;
  padding: 3px 4px 3px 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #ffffff;
  background: var(--title-blue);
  font-size: 13px;
  font-weight: 700;
}

.result-dialog__body {
  min-height: 126px;
  padding: 20px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
}

.result-dialog__body img {
  border: 1px solid var(--button-mid);
}

.result-dialog__body p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.5;
}

.result-score {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.result-score strong {
  color: var(--title-blue);
  font-family: var(--font-numeric);
  font-size: 28px;
}

.result-dialog__actions {
  padding: 10px;
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--button-mid);
}

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

@keyframes tile-enter {
  from {
    opacity: 0;
    transform: translateX(18px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes tile-clear {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  55% {
    opacity: 1;
    transform: scale(1.08);
  }
  100% {
    opacity: 0;
    transform: scale(0.58);
  }
}

@keyframes tile-mismatch {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(3px);
  }
}

@keyframes notice-in {
  from {
    opacity: 0;
    transform: translate(-50%, -10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 980px) {
  .app-workspace {
    grid-template-columns: 164px minmax(0, 1fr);
  }

  .rules-panel {
    grid-column: 1 / -1;
  }

  .rules-panel ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (max-width: 660px) {
  .desktop {
    min-height: auto;
    padding: 5px;
    display: block;
  }

  .app-window {
    width: 100%;
  }

  .title-bar__subtitle,
  .window-control:not(.window-control--close) {
    display: none;
  }

  .menu-bar {
    display: none;
  }

  .toolbar {
    padding: 5px;
    flex-wrap: wrap;
  }

  .toolbar__separator {
    display: none;
  }

  .classic-button {
    min-height: 44px;
    padding: 8px 10px;
  }

  .language-control {
    width: 100%;
    margin-left: 0;
  }

  .language-control select {
    width: 100%;
    min-height: 44px;
  }

  .app-workspace {
    padding: 7px;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .score-panel {
    padding: 7px;
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr);
    grid-template-areas:
      "heading stats"
      "goal stats"
      "capacity capacity";
    gap: 4px 8px;
  }

  .score-panel__heading {
    grid-area: heading;
    margin: 0;
    align-self: end;
  }

  .goal-display {
    grid-area: goal;
    min-height: 60px;
    margin: 0;
    font-size: 38px;
  }

  .stat-list {
    grid-area: stats;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .stat-row {
    min-height: 38px;
    padding: 3px 5px;
  }

  .stat-row--primary dd {
    font-size: 19px;
  }

  .capacity-box {
    grid-area: capacity;
    margin-top: 3px;
  }

  .trainer-panel {
    padding: 7px;
  }

  .equation-console {
    grid-template-columns: 1fr;
    grid-template-areas:
      "label"
      "equation"
      "feedback";
    gap: 3px;
  }

  .equation {
    justify-content: center;
    font-size: 29px;
  }

  .feedback-field {
    min-height: 38px;
  }

  .number-queue {
    padding: 5px;
    grid-template-columns: repeat(5, minmax(45px, 1fr));
    grid-template-rows: repeat(2, 62px);
    gap: 4px;
  }

  .frame-cell {
    min-height: 62px;
  }

  .number-tile {
    inset: 3px;
    font-size: clamp(25px, 9vw, 35px);
  }

  .number-tile:active,
  .number-tile[aria-selected="true"] {
    inset: 5px 1px 1px 5px;
  }

  .rules-panel {
    grid-column: auto;
  }

  .rules-panel ol {
    grid-template-columns: 1fr;
  }

  .status-bar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .status-bar__field:last-child {
    display: none;
  }
}

@media (max-width: 390px) {
  .title-bar {
    min-height: 32px;
  }

  .title-bar__icon {
    width: 20px;
    height: 20px;
  }

  .toolbar .classic-button {
    flex: 1 1 calc(33.333% - 5px);
    min-width: 0;
    font-size: 12px;
  }

  .home-link {
    flex-basis: 100% !important;
  }

  .app-workspace {
    padding-inline: 5px;
  }

  .number-queue {
    grid-template-columns: repeat(5, minmax(42px, 1fr));
  }

  .frame-cell::after {
    display: none;
  }

  .progress-readout {
    min-width: 58px;
  }
}

@media (min-width: 661px) and (max-height: 520px) and (orientation: landscape) {
  .desktop {
    min-height: auto;
    padding: 4px;
    display: block;
  }

  .app-window {
    width: min(900px, 100%);
    margin-inline: auto;
  }

  .title-bar {
    min-height: 28px;
    padding-block: 2px;
  }

  .title-bar__icon {
    width: 19px;
    height: 19px;
  }

  .menu-bar {
    display: none;
  }

  .toolbar {
    min-height: 39px;
    padding: 3px 6px;
  }

  .classic-button {
    min-height: 31px;
    padding: 5px 8px;
    font-size: 12px;
  }

  .language-control select {
    min-height: 30px;
  }

  .app-workspace {
    padding: 6px;
    grid-template-columns: 142px minmax(0, 1fr);
    gap: 7px;
  }

  .score-panel {
    padding: 6px;
  }

  .goal-display {
    min-height: 43px;
    margin-bottom: 5px;
    font-size: 30px;
  }

  .stat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px;
  }

  .stat-row {
    min-height: 30px;
    padding: 2px 4px;
    display: grid;
    gap: 0;
  }

  .stat-row dt {
    font-size: 9px;
  }

  .stat-row dd,
  .stat-row--primary dd {
    font-size: 15px;
  }

  .capacity-box {
    margin-top: 4px;
    padding: 3px 5px;
  }

  .trainer-panel {
    padding: 6px;
    grid-template-columns: minmax(190px, 0.75fr) minmax(330px, 1.3fr);
    grid-template-rows: 1fr auto;
    gap: 6px;
  }

  .equation-console {
    min-height: 0;
    grid-column: 1;
    grid-row: 1;
    grid-template-columns: 1fr;
    grid-template-areas:
      "label"
      "equation"
      "feedback";
    padding: 5px;
  }

  .equation {
    font-size: 28px;
  }

  .feedback-field {
    min-height: 34px;
    padding: 4px 6px;
    font-size: 11px;
  }

  .queue-panel {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding: 4px;
  }

  .queue-panel__header {
    min-height: 21px;
    padding-bottom: 3px;
  }

  .number-queue {
    padding: 4px;
    grid-template-rows: repeat(2, 62px);
    gap: 4px;
  }

  .frame-cell {
    min-height: 62px;
  }

  .number-tile {
    inset: 3px;
    font-size: 30px;
  }

  .progress-section {
    grid-column: 1;
    grid-row: 2;
  }

  .rules-panel {
    display: none;
  }

  .status-bar {
    min-height: 25px;
    margin-bottom: 3px;
  }

  .status-bar__field {
    min-height: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}

@media (forced-colors: active) {
  .app-window,
  .score-panel,
  .trainer-panel,
  .rules-panel,
  .number-queue,
  .frame-cell,
  .number-tile,
  .classic-button {
    border: 1px solid ButtonText;
  }

  .number-tile[aria-selected="true"] {
    outline: 3px solid Highlight;
  }

  .feedback-field__lamp,
  .status-bar__icon {
    forced-color-adjust: none;
  }
}