:root {
  --op-accent: #df916d;
  --op-accent-soft: #f2c2a9;
  --op-accent-rgb: 223, 145, 109;
}

.accent-mint {
  --op-accent: #85d4ae;
  --op-accent-soft: #c9f0dd;
  --op-accent-rgb: 133, 212, 174;
}

.accent-copper {
  --op-accent: #df916d;
  --op-accent-soft: #f2c2a9;
  --op-accent-rgb: 223, 145, 109;
}

/* Operation setup */
.operation-setup-page {
  --accent: var(--op-accent);
  --accent-soft: var(--op-accent-soft);
  --accent-rgb: var(--op-accent-rgb);
}

.operation-setup-page .select-brand__mark {
  color: var(--op-accent-soft);
  border-color: rgba(var(--op-accent-rgb), 0.34);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
}

.operation-setup-page .select-header {
  justify-content: flex-start;
  gap: clamp(20px, 3vw, 42px);
}

.operation-setup-page .select-header > .language-switcher {
  margin-left: auto;
}

.operation-setup-page .select-nav a:nth-child(2) {
  width: auto;
  padding: 0 15px;
}

.operation-setup-page .select-nav .select-nav__back {
  width: 42px;
  padding: 0;
}

.operation-config {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: clamp(50px, 7vw, 82px) 0 20px;
}

.operand-panel {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--select-line);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(21, 59, 44, 0.94), rgba(12, 39, 28, 0.94));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.23);
}

.operand-panel__heading {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--select-line);
}

.operand-number {
  display: grid;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  place-items: center;
  border: 1px solid rgba(var(--op-accent-rgb), 0.28);
  border-radius: 15px;
  color: var(--op-accent-soft);
  background: rgba(var(--op-accent-rgb), 0.08);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
}

.operand-panel h2 {
  margin: 5px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 500;
}

.operand-options {
  display: grid;
  gap: 10px;
  padding-top: 18px;
}

.operand-option {
  position: relative;
  display: grid;
  min-height: 78px;
  grid-template-columns: 35px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  padding: 12px 15px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.operand-option:hover {
  transform: translateX(4px);
  border-color: rgba(var(--op-accent-rgb), 0.34);
  background: rgba(255, 255, 255, 0.06);
}

.operand-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.operand-option__check {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9px;
  color: transparent;
  font-size: 10px;
  transition: 0.2s ease;
}

.operand-option__copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.operand-option__copy strong {
  color: var(--select-paper);
  font-size: 14px;
}

.operand-option__copy small {
  color: var(--select-muted);
  font-size: 10px;
}

.operand-option__example {
  color: rgba(247, 242, 230, 0.25);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-variant-numeric: tabular-nums;
}

.operand-option:has(input:checked) {
  border-color: rgba(var(--op-accent-rgb), 0.58);
  background: rgba(var(--op-accent-rgb), 0.1);
  box-shadow: inset 3px 0 0 var(--op-accent);
}

.operand-option input:checked ~ .operand-option__check {
  color: #102118;
  border-color: var(--op-accent);
  background: var(--op-accent);
}

.operand-option input:checked ~ .operand-option__example {
  color: var(--op-accent-soft);
}

.operation-connector {
  display: grid;
  place-items: center;
}

.operation-connector span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(var(--op-accent-rgb), 0.26);
  border-radius: 50%;
  color: var(--op-accent-soft);
  background: rgba(var(--op-accent-rgb), 0.08);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
}

.operation-submit-wrap {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 8px;
  padding: 20px 22px;
  border: 1px solid var(--select-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.035);
}

.operation-submit-wrap p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--select-muted);
  font-size: 12px;
}

.operation-submit-wrap p i {
  color: var(--op-accent);
}

.operation-submit {
  display: flex;
  min-width: 275px;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 22px;
  border: 0;
  border-radius: 17px;
  color: #102118;
  background: linear-gradient(135deg, var(--op-accent-soft), var(--op-accent));
  box-shadow: 0 17px 40px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.operation-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.34);
}

.operation-submit > span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.operation-submit small {
  opacity: 0.65;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.operation-submit strong {
  font-size: 14px;
}

/* Operation exercise */
.operation-play-page {
  --fs-accent: var(--op-accent);
  --fs-accent-soft: var(--op-accent-soft);
  --fs-accent-rgb: var(--op-accent-rgb);
}

.operation-play-page .brand-symbol,
.operation-play-page .eyebrow,
.operation-play-page .board-kicker {
  color: var(--op-accent-soft);
}

.operation-play-page .brand-symbol {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}

.operation-play-page .start-button,
.operation-play-page .settings-save {
  background: linear-gradient(135deg, var(--op-accent-soft), var(--op-accent)) !important;
}

.operation-play-page .start-button__icon {
  background: #173f2e;
}

.operation-settings {
  width: min(370px, calc(100vw - 40px));
}

.settings-success {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: -2px 0 0;
  padding: 9px 11px;
  border: 1px solid rgba(133, 212, 174, 0.25);
  border-radius: 10px;
  color: #c9f0dd;
  background: rgba(133, 212, 174, 0.08);
  font-size: 11px;
  font-weight: 750;
}

.operation-setting {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  gap: 8px 14px !important;
  padding: 12px 0;
  border-top: 1px solid var(--st-line);
}

.operation-setting > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.operation-setting strong {
  color: var(--st-paper);
  font-size: 12px;
}

.operation-setting small {
  color: var(--st-muted);
  font-size: 9px;
}

.operation-setting output {
  display: grid;
  min-width: 48px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(var(--op-accent-rgb), 0.26);
  border-radius: 9px;
  color: var(--op-accent-soft);
  background: rgba(var(--op-accent-rgb), 0.08);
  font-weight: 850;
}

.operation-setting input[type="range"] {
  width: 100%;
  height: 5px;
  grid-column: 1 / -1;
  margin-top: 6px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  accent-color: var(--op-accent);
  cursor: pointer;
}

.operation-player-setting {
  min-width: 0;
  margin: 0;
  padding: 13px 0 0;
  border: 0;
  border-top: 1px solid var(--st-line);
}

.operation-player-setting legend {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 3px;
  margin: 0 0 11px;
  padding: 0;
}

.operation-player-setting legend strong {
  color: var(--st-paper);
  font-size: 12px;
}

.operation-player-setting legend small {
  color: var(--st-muted);
  font-size: 9px;
}

.operation-player-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.settings-card .operation-player-options label {
  position: relative;
  display: block;
  margin: 0;
  cursor: pointer;
}

.operation-player-options input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.operation-player-options span {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid var(--st-line);
  border-radius: 11px;
  color: var(--st-muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 14px;
  font-weight: 850;
  transition: 0.18s ease;
}

.operation-player-options label:hover span {
  border-color: rgba(var(--op-accent-rgb), 0.38);
  color: var(--st-paper);
}

.operation-player-options input:focus-visible + span {
  outline: 2px solid var(--op-accent-soft);
  outline-offset: 2px;
}

.operation-player-options input:checked + span {
  border-color: var(--op-accent);
  color: #102118;
  background: linear-gradient(135deg, var(--op-accent-soft), var(--op-accent));
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.2);
}

.operation-status {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.operation-play-page .status-icon {
  color: var(--op-accent-soft);
  background: rgba(var(--op-accent-rgb), 0.1);
}

.operation-board {
  position: relative;
  min-height: 520px;
  border-color: rgba(var(--op-accent-rgb), 0.2);
  background:
    radial-gradient(circle at 94% 3%, rgba(var(--op-accent-rgb), 0.13), transparent 23rem),
    linear-gradient(145deg, rgba(20, 49, 37, 0.94), rgba(9, 27, 20, 0.96));
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.operation-board.is-correct {
  border-color: rgba(104, 210, 151, 0.58);
  box-shadow: var(--st-shadow), inset 0 0 0 2px rgba(104, 210, 151, 0.12);
}

.operation-board.is-wrong {
  border-color: rgba(221, 107, 102, 0.62);
  box-shadow: var(--st-shadow), inset 0 0 0 2px rgba(221, 107, 102, 0.12);
}

.operation-play-page .operation-orbit strong {
  background: var(--op-accent);
}

.operation-play-page .operation-orbit span {
  color: var(--op-accent-soft);
  border-color: rgba(var(--op-accent-rgb), 0.24);
}

.operation-stage {
  position: relative;
  display: none;
  min-height: 390px;
  align-content: center;
  justify-items: center;
  padding: 34px 0 10px;
}

.operation-player {
  position: relative;
  display: grid;
  width: 100%;
  min-width: 0;
  min-height: 100%;
  align-content: center;
  justify-items: center;
  padding: clamp(18px, 2.3vw, 34px);
  overflow: hidden;
  border: 1px solid rgba(var(--op-accent-rgb), 0.2);
  border-radius: 22px;
  background:
    radial-gradient(circle at 92% 4%, rgba(var(--op-accent-rgb), 0.1), transparent 16rem),
    rgba(5, 19, 13, 0.42);
}

.operation-stage.players-1 .operation-player {
  border: 0;
  background: transparent;
}

.operation-stage.players-2,
.operation-stage.players-3,
.operation-stage.players-4 {
  width: 100%;
  align-items: stretch;
  justify-items: stretch;
  gap: 12px;
}

.operation-stage.players-2 .operation-player,
.operation-stage.players-3 .operation-player,
.operation-stage.players-4 .operation-player {
  min-height: 0;
}

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

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

.operation-stage.players-4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.operation-player__header {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--op-accent-soft);
  font-size: 11px;
  font-weight: 820;
}

.operation-player__header span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.operation-player__header strong {
  color: var(--st-muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.operation-stage.players-1 .operation-player__header {
  display: none;
}

.game-started .operation-stage {
  display: grid;
}

.game-started .board-empty,
.game-started #start,
.game-started #nav_start {
  display: none !important;
}

.operation-play-page.mental-focus-active .operation-board {
  position: fixed;
  z-index: 1000;
  inset: 0;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 24px 108px;
  overflow: auto;
  border-radius: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(var(--op-accent-rgb), 0.12), transparent 36%),
    #07140f;
}

.operation-play-page.mental-focus-active .operation-board .board-heading,
.operation-play-page.mental-focus-active .operation-board .board-empty {
  display: none;
}

.operation-play-page.mental-focus-active .operation-stage {
  position: relative;
  z-index: 2;
  display: grid !important;
  width: 100%;
  min-height: calc(100dvh - 132px);
  align-content: center;
  justify-items: center;
  padding: 30px 0 70px;
  color: var(--st-paper);
}

.operation-play-page.mental-focus-active.operation-multiplayer .operation-board {
  padding: 68px 14px 76px;
  overflow: hidden;
}

.operation-play-page.mental-focus-active.operation-multiplayer .operation-stage {
  width: 100%;
  min-height: calc(100dvh - 144px);
  max-height: calc(100dvh - 144px);
  align-content: stretch;
  align-items: stretch;
  padding: 0;
}

.operation-play-page.mental-focus-active.operation-multiplayer .operation-stage.players-4 {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}

.operation-multiplayer .operation-player .operation-progress {
  width: min(360px, 100%);
  margin-bottom: clamp(15px, 2.2vh, 25px);
}

.operation-multiplayer .operation-equation,
.operation-play-page.mental-focus-active.operation-multiplayer .operation-equation {
  gap: clamp(6px, 1.1vw, 16px);
  font-size: clamp(31px, 4.5vw, 72px);
}

.operation-multiplayer .operation-answer,
.operation-play-page.mental-focus-active.operation-multiplayer .operation-answer {
  width: min(430px, 100%);
  margin-top: clamp(20px, 3vh, 32px);
}

.operation-multiplayer .operation-answer > div {
  grid-template-columns: minmax(0, 1fr) minmax(92px, 122px);
  gap: 7px;
}

.operation-multiplayer .operation-answer .pat_bazm {
  height: 54px;
  border-radius: 13px;
  font-size: 25px;
}

.operation-multiplayer .operation-answer .hajord {
  border-radius: 13px;
  font-size: 11px;
}

.operation-multiplayer .operation-answer .hajord i {
  display: none;
}

.operation-play-page.mental-focus-active .operation-equation {
  visibility: visible;
  opacity: 1;
  color: var(--st-paper);
  font-size: clamp(68px, 12vw, 210px);
}

.operation-play-page.mental-focus-active .operation-answer {
  width: min(680px, 100%);
}

.operation-play-page.mental-focus-stopped .operation-stage {
  pointer-events: none;
  opacity: 0.2;
}

.operation-load-error {
  max-width: 560px;
  margin: auto;
  color: var(--op-accent-soft);
  font-size: clamp(22px, 4vw, 38px);
  font-weight: 750;
  line-height: 1.35;
  text-align: center;
}

.operation-progress {
  display: grid;
  width: min(550px, 100%);
  gap: 9px;
  margin-bottom: 34px;
}

.operation-progress > span {
  color: var(--st-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.operation-progress > span strong {
  color: var(--op-accent-soft);
}

.operation-progress > i {
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.operation-progress > i b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--op-accent), var(--op-accent-soft));
  transition: width 0.3s ease;
}

.operation-equation {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: clamp(10px, 2vw, 23px);
  color: var(--st-paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(46px, 8vw, 92px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
  line-height: 1;
}

.operation-equation > span,
.operation-equation > b {
  font-weight: 500;
}

.operation-equation > b {
  color: var(--op-accent-soft);
  font-size: 0.62em;
}

.operation-equation .operation-question {
  color: var(--op-accent-soft);
  font-style: italic;
}

.operation-answer {
  width: min(540px, 100%);
  margin-top: 38px;
}

.operation-answer > label {
  display: block;
  margin-bottom: 9px;
  color: var(--st-muted);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
}

.operation-answer > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: 10px;
}

.operation-answer .pat_bazm {
  width: 100%;
  height: 64px;
  padding: 0 18px;
  border: 1px solid rgba(var(--op-accent-rgb), 0.3);
  border-radius: 16px;
  outline: none;
  color: var(--st-paper);
  background: rgba(255, 255, 255, 0.055);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 31px;
  text-align: center;
  appearance: textfield;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.operation-answer .pat_bazm::-webkit-inner-spin-button,
.operation-answer .pat_bazm::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

.operation-answer .pat_bazm:focus {
  border-color: var(--op-accent);
  box-shadow: 0 0 0 4px rgba(var(--op-accent-rgb), 0.11);
}

.operation-answer .pat_bazm.needs-answer {
  border-color: var(--st-red);
  transform: translateX(4px);
}

.operation-answer .hajord {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 16px;
  color: #102118;
  background: linear-gradient(135deg, var(--op-accent-soft), var(--op-accent));
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}

.operation-answer .hajord:disabled,
.operation-answer .pat_bazm:disabled {
  cursor: default;
  opacity: 0.72;
}

.operation-feedback {
  position: absolute;
  z-index: 100;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  margin: 0;
  padding: 28px;
  border-radius: 20px;
  opacity: 0;
  text-align: center;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.operation-feedback.is-visible {
  opacity: 1;
  visibility: visible;
}

.is-correct .operation-feedback {
  color: #fff;
  background:
    radial-gradient(circle at 50% 42%, rgba(142, 255, 190, 0.28), transparent 30rem),
    linear-gradient(145deg, #0d7545, #06452b);
}

.is-wrong .operation-feedback {
  color: #fff;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 164, 157, 0.25), transparent 30rem),
    linear-gradient(145deg, #9a2f35, #59171d);
}

.operation-play-page.mental-focus-active .operation-feedback {
  position: fixed;
  z-index: 1300;
  inset: 0;
  border-radius: 0;
}

.operation-play-page.mental-focus-active.operation-multiplayer .operation-feedback {
  position: absolute;
  inset: 0;
  border-radius: 20px;
}

.operation-multiplayer .operation-feedback-symbol {
  width: clamp(76px, 13vmin, 140px);
  margin-bottom: clamp(10px, 2vh, 18px);
  border-width: clamp(4px, 0.7vmin, 8px);
  font-size: clamp(50px, 9vmin, 96px);
}

.operation-multiplayer .operation-feedback-label {
  font-size: clamp(22px, 4vmin, 42px);
}

.operation-multiplayer .operation-feedback-answer {
  margin-top: 10px;
  font-size: clamp(15px, 2.2vmin, 24px);
}

.operation-player-result {
  display: grid;
  justify-items: center;
  color: var(--st-paper);
  text-align: center;
}

.operation-player-result__icon {
  display: grid;
  width: clamp(62px, 10vmin, 104px);
  aspect-ratio: 1;
  margin-bottom: 13px;
  place-items: center;
  border-radius: 50%;
  color: #102118;
  background: var(--op-accent);
  font-size: clamp(24px, 4vmin, 40px);
}

.operation-player-result small {
  color: var(--op-accent-soft);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.operation-player-result > strong {
  margin-top: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 4vw, 44px);
  font-weight: 500;
}

.operation-player-result > div {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.operation-player-result > div span {
  padding: 9px 12px;
  border: 1px solid var(--st-line);
  border-radius: 10px;
  color: var(--st-muted);
  font-size: 10px;
}

.operation-player-result > div b {
  color: var(--st-paper);
  font-size: 14px;
}

.operation-feedback-symbol {
  display: grid;
  width: clamp(150px, 27vmin, 290px);
  aspect-ratio: 1;
  margin-bottom: clamp(18px, 3vh, 34px);
  place-items: center;
  border: clamp(7px, 1.2vmin, 13px) solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  font-family: Inter, Avenir, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(100px, 19vmin, 205px);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24), inset 0 0 40px rgba(255, 255, 255, 0.08);
  animation: operation-feedback-pop 0.26s ease-out both;
}

.operation-feedback-label {
  display: block;
  font-family: Inter, Avenir, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(34px, 7vmin, 76px);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1;
}

.operation-feedback-answer {
  display: block;
  margin-top: clamp(14px, 2.5vh, 26px);
  color: rgba(255, 255, 255, 0.96);
  font-family: Inter, Avenir, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(21px, 3.5vmin, 38px);
  font-weight: 800;
}

@keyframes operation-feedback-pop {
  from { opacity: 0; transform: scale(0.7); }
  to { opacity: 1; transform: scale(1); }
}

.operation-finish {
  position: fixed !important;
  z-index: 1800 !important;
  inset: 0;
  display: none;
  width: 100% !important;
  padding: 0 !important;
}

.operation-play-page .pokazano {
  top: 0;
}

.operation-play-page .result-dialog {
  display: grid;
  justify-items: center;
  text-align: center;
}

.operation-play-page .result-dialog > .result-icon {
  margin-bottom: 18px;
  color: #102118;
  background: var(--op-accent);
}

.operation-play-page .result-dialog h2 {
  margin: 9px 0 0;
  color: var(--st-paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 5vw, 46px);
  font-weight: 500;
}

.operation-play-page .ardyunq {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.operation-play-page .ardyunq > div {
  display: flex;
  min-height: 88px;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 15px;
  border: 1px solid var(--st-line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.04);
}

.operation-play-page .ardyunq span {
  color: var(--st-muted);
  font-size: 10px;
  font-weight: 760;
  text-transform: uppercase;
}

.operation-play-page .ardyunq span i {
  margin-right: 5px;
  color: var(--op-accent);
}

.operation-play-page .ardyunq strong {
  color: var(--st-paper);
  font-size: 23px;
}

.operation-play-page .ardyunq.is-multiplayer {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.operation-play-page .ardyunq .operation-result-person small {
  color: var(--op-accent-soft);
  font-size: 10px;
  font-weight: 760;
}

.operation-play-page .point {
  margin-top: 22px;
  color: var(--op-accent-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 6vw, 58px);
}

.operation-play-page .result-actions {
  width: 100%;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.operation-play-page .result-primary {
  color: #102118 !important;
  background: linear-gradient(135deg, var(--op-accent-soft), var(--op-accent));
}

@media (max-width: 960px) {
  .operation-config {
    grid-template-columns: 1fr;
  }

  .operation-connector {
    margin: -2px 0;
  }

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

@media (max-width: 680px) {
  .operation-setup-page .select-header {
    gap: 12px;
  }

  .operation-setup-page .select-nav a:nth-child(2) {
    width: 40px;
    padding: 0;
  }

  .operand-panel {
    padding: 18px;
  }

  .operation-submit-wrap {
    align-items: stretch;
    flex-direction: column;
  }

  .operation-submit {
    width: 100%;
    min-width: 0;
  }

  .operation-play-page .intro-actions {
    width: 100%;
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .operation-status {
    grid-template-columns: 1fr;
  }

  .operation-status .status-item--timer {
    grid-column: auto;
  }

  .operation-board {
    min-height: 480px;
  }

  .operation-stage {
    min-height: 330px;
    padding-top: 26px;
  }

  .operation-equation {
    flex-wrap: wrap;
    font-size: clamp(38px, 12vw, 58px);
  }

  .operation-answer {
    margin-top: 32px;
  }

  .operation-answer > div {
    grid-template-columns: 1fr;
  }

  .operation-answer .hajord {
    min-height: 54px;
  }

  .operation-play-page .pokazano {
    padding: 12px;
  }

  .operation-play-page .ardyunq,
  .operation-play-page .result-actions {
    grid-template-columns: 1fr;
  }

  .operation-play-page .ardyunq.is-multiplayer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .operation-play-page.mental-focus-active.operation-multiplayer .operation-board {
    align-content: start;
    padding: 66px 10px 82px;
    overflow-y: auto;
  }

  .operation-play-page.mental-focus-active.operation-multiplayer .operation-stage {
    min-height: auto;
    max-height: none;
  }

  .operation-stage.players-2,
  .operation-stage.players-3,
  .operation-stage.players-4 {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .operation-stage.players-2 .operation-player,
  .operation-stage.players-3 .operation-player,
  .operation-stage.players-4 .operation-player {
    min-height: 350px;
  }

  .operation-multiplayer .operation-equation,
  .operation-play-page.mental-focus-active.operation-multiplayer .operation-equation {
    font-size: clamp(34px, 10vw, 58px);
  }
}

@media (max-height: 720px) and (min-width: 761px) {
  .operation-play-page.mental-focus-active.operation-multiplayer .operation-board {
    padding-top: 58px;
    padding-bottom: 64px;
  }

  .operation-play-page.mental-focus-active.operation-multiplayer .operation-stage {
    min-height: calc(100dvh - 122px);
    max-height: calc(100dvh - 122px);
  }

  .operation-player {
    padding: 22px 16px 14px;
  }

  .operation-player__header {
    top: 9px;
  }

  .operation-multiplayer .operation-player .operation-progress {
    margin-bottom: 10px;
  }

  .operation-multiplayer .operation-answer,
  .operation-play-page.mental-focus-active.operation-multiplayer .operation-answer {
    margin-top: 14px;
  }

  .operation-multiplayer .operation-answer .pat_bazm {
    height: 46px;
  }

  .operation-stage.players-4 .operation-player__header,
  .operation-stage.players-4 .operation-progress > span,
  .operation-stage.players-4 .operation-answer > label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .operation-setup-page *,
  .operation-play-page * {
    transition-duration: 0.01ms !important;
  }
}