/* Тренажёр «Шахи и взятия» (views/checks_captures.ejs). Цвета - переменные темы сайта
   (--surface-1, --text-1, ...), как в play_computer.css. */

.cc-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  color: var(--text-1, #212529);
}

html[data-theme='dark'] .cc-page {
  color-scheme: dark;
}

.cc-crumbs {
  font-size: 0.9rem;
  color: var(--text-2, #6c757d);
  margin-bottom: 8px;
}

.cc-crumbs a {
  color: inherit;
}

.cc-h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 6px;
}

.cc-lead {
  max-width: 65ch;
  color: var(--text-2, #6c757d);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.cc-app {
  margin-bottom: 36px;
}

.cc-card {
  padding: 16px;
  border: 1px solid var(--border, #dee2e6);
  border-radius: 8px;
  background: var(--surface-1, #fff);
  min-width: 0;
}

.cc-setup,
.cc-results {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.cc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cc-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-2, #6c757d);
}

.cc-hint {
  font-size: 0.85rem;
  color: var(--text-2, #6c757d);
}

.cc-diff {
  display: flex;
  flex-wrap: wrap;
}

.cc-diff .btn {
  flex: 1 1 0;
}

.cc-num {
  max-width: 140px;
  font-variant-numeric: tabular-nums;
}

.cc-start {
  align-self: flex-start;
}

.cc-game {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(260px, 1fr);
  gap: 20px;
  align-items: start;
}

.cc-board-shell .cg-board-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  position: relative;
}

.cc-board-shell .cg-board {
  border-radius: 6px;
}

.cc-board-shell coords {
  pointer-events: none;
}

.cc-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.cc-task {
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.cc-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.cc-timer {
  font-size: 1.5rem;
  font-weight: 800;
}

.cc-timer.is-low {
  color: #dc3545;
}

.cc-progress {
  font-weight: 700;
  color: var(--text-2, #6c757d);
}

.cc-feedback {
  min-height: 2.6em;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--surface-2, #f8f9fa);
  font-weight: 700;
  margin-bottom: 10px;
}

.cc-feedback.is-ok {
  color: #198754;
}

.cc-feedback.is-bad {
  color: #dc3545;
}

.cc-feedback.is-miss {
  color: var(--text-2, #6c757d);
}

html[data-theme='dark'] .cc-feedback.is-ok {
  color: #4ade80;
}

html[data-theme='dark'] .cc-feedback.is-bad {
  color: #f87171;
}

.cc-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* кнопка «Настройки» в игре - с шестерёнкой */
.cc-to-setup {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.cc-volume {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.cc-volume .custom-range {
  flex: 1 1 auto;
  min-width: 0;
}

.cc-volume-value {
  min-width: 3em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-2, #6c757d);
}

.cc-stats {
  width: 100%;
  font-variant-numeric: tabular-nums;
}

.cc-stats th,
.cc-stats td {
  padding: 4px 6px;
  text-align: center;
}

.cc-stats tbody th {
  text-align: left;
  font-weight: 600;
}

.cc-stats thead th {
  font-size: 0.8rem;
  color: var(--text-2, #6c757d);
  text-transform: uppercase;
}

.cc-found {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 6px;
}

.cc-found-head {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-2, #6c757d);
  margin-bottom: 4px;
}

.cc-found ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 1.5em;
}

.cc-found li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.cc-san {
  font-weight: 700;
  min-width: 3.6em;
}

.cc-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 4px;
  color: #fff;
}

.cc-tag-c {
  background: #dc3545;
}

.cc-tag-x {
  background: #0d6efd;
}

.cc-results-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0;
}

.cc-results-list {
  margin: 0;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}

.cc-noscript {
  font-weight: 700;
}

.cc-section {
  max-width: 75ch;
  margin-bottom: 28px;
}

.cc-section h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.cc-section h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 14px 0 4px;
}

.cc-more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.cc-about-site {
  max-width: 75ch;
  padding-top: 16px;
  border-top: 1px solid var(--border, #dee2e6);
  color: var(--text-2, #6c757d);
  font-size: 0.9rem;
}

/* ---------- экран запуска для детей: цветной фон, дракончики, яркие кнопки ---------- */
.cc-kids {
  --kid-ink: #3b2a6b;
  --kid-sub: #6b5a9a;
  --kid-card: rgba(255, 255, 255, 0.72);
  --kid-border: #c9b6ff;
  position: relative;
  overflow: hidden;
  max-width: 620px;
  padding: 24px 22px 26px;
  border: 3px solid var(--kid-border);
  border-radius: 24px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 214, 102, 0.35) 0 60px, transparent 61px),
    radial-gradient(circle at 88% 85%, rgba(129, 212, 250, 0.35) 0 80px, transparent 81px),
    linear-gradient(160deg, #fff6e0 0%, #e8f6ff 48%, #f2e7ff 100%);
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.16);
  color: var(--kid-ink);
}

html[data-theme='dark'] .cc-kids {
  --kid-ink: #f1ecff;
  --kid-sub: #c4b5fd;
  --kid-card: rgba(20, 16, 44, 0.6);
  --kid-border: #5b47a8;
  background:
    radial-gradient(circle at 12% 18%, rgba(250, 204, 21, 0.14) 0 60px, transparent 61px),
    radial-gradient(circle at 88% 85%, rgba(56, 189, 248, 0.14) 0 80px, transparent 81px),
    linear-gradient(160deg, #221a46 0%, #142844 50%, #2b1840 100%);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.cc-kids > :not(.cc-kids-bg) {
  position: relative;
  z-index: 1;
}

.cc-kids-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.cc-deco {
  position: absolute;
  display: block;
  line-height: 0;
}

.cc-deco-dragon {
  top: 6px;
  right: 4px;
  transform: scaleX(-1);
  animation: cc-bob 3.2s ease-in-out infinite;
}

.cc-deco-face {
  bottom: 14px;
  right: 16px;
  animation: cc-bob 2.6s ease-in-out infinite reverse;
}

.cc-deco-cloud {
  top: 118px;
  left: -8px;
  opacity: 0.75;
}

.cc-deco-s1 {
  top: 14px;
  left: 46%;
  animation: cc-twinkle 2.4s ease-in-out infinite;
}

.cc-deco-s2 {
  bottom: 96px;
  left: 18px;
  animation: cc-twinkle 3s ease-in-out infinite 0.6s;
}

.cc-deco-s3 {
  top: 46%;
  right: 22px;
  animation: cc-twinkle 2.8s ease-in-out infinite 1.1s;
}

.cc-deco-s4 {
  bottom: 30px;
  left: 42%;
  animation: cc-twinkle 2.2s ease-in-out infinite 0.3s;
}

.cc-deco-pawn {
  bottom: 70px;
  right: 30px;
  opacity: 0.55;
  transform: rotate(14deg);
}

@keyframes cc-bob {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -7px;
  }
}

@keyframes cc-twinkle {
  0%,
  100% {
    opacity: 0.35;
    scale: 0.85;
  }
  50% {
    opacity: 1;
    scale: 1.1;
  }
}

.cc-kids-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 110px;
  min-height: 84px;
}

.cc-kids-title {
  font-size: clamp(1.35rem, 4.2vw, 1.75rem);
  font-weight: 900;
  line-height: 1.15;
  background: linear-gradient(90deg, #7c3aed, #ec4899 55%, #f97316);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cc-kids-sub {
  color: var(--kid-sub);
  font-weight: 700;
}

.cc-kids .cc-hint {
  color: var(--kid-sub);
}

.cc-hint-center {
  text-align: center;
}

/* строка под сложностью - только «Загрузка…» и ошибки; пустая не занимает места */
.cc-hint-center:empty {
  display: none;
}

.cc-label-kids {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--kid-ink);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cc-ico {
  flex: none;
}

.cc-kids .cc-diff {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.cc-pill {
  --pill: #8b5cf6;
  --pill-dark: #6d28d9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
  padding: 10px 6px;
  border: 2px solid var(--pill);
  border-radius: 14px;
  background: var(--kid-card);
  color: var(--kid-ink);
  font-weight: 900;
  box-shadow: 0 4px 0 var(--pill-dark);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background-color 0.15s ease;
}

.cc-pill:hover {
  transform: translateY(-1px);
}

.cc-pill:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--pill-dark);
}

.cc-pill.active {
  background: var(--pill);
  color: #fff;
}

.cc-pill:focus-visible,
.cc-start-kids:focus-visible {
  outline: 3px solid #f59e0b;
  outline-offset: 2px;
}

.cc-pill-easy {
  --pill: #22c55e;
  --pill-dark: #15803d;
}

.cc-pill-medium {
  --pill: #f59e0b;
  --pill-dark: #b45309;
}

.cc-pill-hard {
  --pill: #ef4444;
  --pill-dark: #b91c1c;
}

.cc-pill-all {
  --pill: #8b5cf6;
  --pill-dark: #6d28d9;
}

.cc-kids .cc-row .cc-field {
  align-items: stretch;
}

.cc-kids .cc-num {
  max-width: none;
  height: 52px;
  border-width: 3px;
  border-radius: 14px;
  background: var(--kid-card);
  color: var(--kid-ink);
  font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  font-size: 1.4rem;
  font-weight: 800;
  text-align: center;
}

.cc-num-count {
  border-color: #8b5cf6;
  text-align-last: center;
}

.cc-kids select.cc-num {
  padding-top: 0;
  padding-bottom: 0;
  cursor: pointer;
}

/* Раскрытый список: фон поля полупрозрачный, такой браузер в список не берёт и рисует
   его белым, а цвет текста пункты наследуют (в тёмной теме светлый) - пунктов не видно.
   Цвета пунктов - явно и непрозрачные. */
.cc-kids select.cc-num option {
  background-color: #ffffff;
  color: #3b2a6b;
}

html[data-theme='dark'] .cc-kids select.cc-num option {
  background-color: #1e1838;
  color: #f1ecff;
}

.cc-num-limit {
  border-color: #ec4899;
}

.cc-kids .cc-num:focus {
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.25);
}

.cc-modes {
  padding: 14px 16px;
  border: 2px dashed var(--kid-border);
  border-radius: 18px;
  background: var(--kid-card);
}

.cc-modes .cc-label-kids {
  margin-bottom: 4px;
}

/* переключатель: настоящий чекбокс (клавиатура, экранные чтецы) и нарисованная дорожка */
.cc-toggle-row + .cc-toggle-row {
  margin-top: 10px;
}

.cc-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  cursor: pointer;
  font-weight: 800;
  color: var(--kid-ink);
}

.cc-toggle-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.cc-toggle-track {
  --on: #8b5cf6;
  position: relative;
  flex: none;
  width: 46px;
  height: 26px;
  border-radius: 13px;
  background: #d9d4ea;
  box-shadow: inset 0 2px 3px rgba(0, 0, 0, 0.15);
  transition: background-color 0.15s ease;
}

html[data-theme='dark'] .cc-toggle-track {
  background: #3d3566;
}

.cc-toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s ease;
}

.cc-toggle-safe .cc-toggle-track {
  --on: #ef4444;
}

.cc-toggle-seq .cc-toggle-track {
  --on: #0ea5e9;
}

.cc-toggle-input:checked + .cc-toggle-track {
  background: var(--on);
}

.cc-toggle-input:checked + .cc-toggle-track::after {
  transform: translateX(20px);
}

.cc-toggle-input:focus-visible + .cc-toggle-track {
  outline: 3px solid #f59e0b;
  outline-offset: 2px;
}

.cc-toggle-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cc-toggle-hint {
  padding-left: 56px;
  margin-top: 2px;
}

.cc-start-kids {
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: min(100%, 380px);
  padding: 14px 22px;
  border: 0;
  border-radius: 20px;
  background: linear-gradient(90deg, #f97316, #ec4899 50%, #8b5cf6);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 0 #9d174d, 0 12px 24px rgba(236, 72, 153, 0.3);
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.15s ease;
}

.cc-start-kids:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: saturate(1.15);
}

.cc-start-kids:active:not(:disabled) {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #9d174d;
}

.cc-start-kids:disabled {
  opacity: 0.55;
  cursor: default;
}

@media (prefers-reduced-motion: reduce) {
  .cc-deco {
    animation: none !important;
  }
}

@media (max-width: 520px) {
  .cc-kids {
    padding: 18px 14px 22px;
  }

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

  .cc-kids .cc-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .cc-deco-dragon .cc-ico {
    width: 64px;
    height: 64px;
  }

  .cc-kids-head {
    padding-right: 58px;
    min-height: 64px;
  }

  .cc-kids-head > .cc-ico {
    width: 32px;
    height: 32px;
  }

  .cc-deco-face,
  .cc-deco-pawn,
  .cc-deco-s1 {
    display: none;
  }
}

@media (max-width: 767px) {
  .cc-page {
    padding-left: 0;
    padding-right: 0;
  }

  .cc-game {
    grid-template-columns: minmax(0, 1fr);
  }
}