* {
  box-sizing: border-box;
}

:root {
  --bg: #f4f6ff;
  --panel: #ffffff;
  --panel-2: #f8f9ff;
  --line: rgba(90, 105, 175, 0.16);
  --text: #333a5c;
  --muted: #7d84ab;
  --accent: #ff6b9d;
  --accent-2: #35b8e8;
  --accent-3: #4ecb8f;
  --shadow: 0 10px 26px rgba(90, 105, 175, 0.16);
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Nunito', 'Fredoka', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(255, 107, 157, 0.16), transparent 62%),
    radial-gradient(820px 520px at 96% 108%, rgba(53, 184, 232, 0.18), transparent 62%),
    radial-gradient(600px 400px at 70% 20%, rgba(78, 203, 143, 0.1), transparent 60%),
    var(--bg);
  -webkit-tap-highlight-color: transparent;
}

.app {
  min-height: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 16px 14px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ---------- header ---------- */
.app__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  margin: 0;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 1.7rem;
  letter-spacing: 0.1em;
  color: var(--text);
}

.logo__dot {
  color: var(--accent);
}

.head-actions {
  display: flex;
  gap: 8px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, background 0.12s ease;
}

.icon-btn:hover {
  background: var(--panel-2);
  transform: translateY(-2px);
}

.icon-btn.is-off {
  opacity: 0.45;
}

/* ---------- stage ---------- */
.stage {
  display: grid;
  grid-template-columns: 150px minmax(0, 320px) 150px;
  gap: 12px;
  justify-content: center;
  align-items: start;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 12px 10px;
  text-align: center;
  box-shadow: var(--shadow);
}

.box__title {
  margin: 0 0 8px;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.box canvas {
  display: block;
  margin: 0 auto;
  width: 100%;
  max-width: 120px;
  height: auto;
}

.box--score .big-number {
  margin: 0;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 1.75rem;
  color: var(--accent);
  word-break: break-all;
}

.mini {
  margin: 6px 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}

.mini span {
  color: var(--accent-2);
}

.number {
  margin: 0;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 1.45rem;
  color: var(--text);
}

.row {
  display: flex;
  gap: 12px;
}

.box--mini {
  flex: 1;
  padding: 10px 6px;
}

.hint {
  margin: 8px 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}

.box--keys {
  text-align: left;
}

.keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--muted);
}

kbd {
  display: inline-block;
  min-width: 22px;
  padding: 3px 7px;
  margin-right: 3px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 0.68rem;
  color: var(--accent-2);
  text-align: center;
}

/* ---------- board ---------- */
.board-wrap {
  position: relative;
  border-radius: 26px;
  padding: 7px;
  background: linear-gradient(160deg, #ffd9e6, #d9f3ff);
  box-shadow: 0 16px 36px rgba(90, 105, 175, 0.28);
}

#board {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  background: #fbfcff;
  touch-action: none;
}

/* ---------- overlay ---------- */
.overlay {
  position: absolute;
  inset: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: rgba(244, 246, 255, 0.9);
  backdrop-filter: blur(5px);
  opacity: 1;
  transition: opacity 0.18s ease;
}

.overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay__card {
  padding: 20px 18px;
  text-align: center;
  max-width: 264px;
}

.overlay__kicker {
  margin: 0;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.overlay__title {
  margin: 8px 0 10px;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 2rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.overlay__text {
  margin: 0 0 8px;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--muted);
}

.overlay__stats {
  margin: 0 0 14px;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--accent);
}

.overlay__sub {
  margin: 10px 0 0;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
}

.btn {
  padding: 12px 32px;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(255, 107, 157, 0.4);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 107, 157, 0.5);
}

/* ---------- toast ---------- */
.toast {
  position: absolute;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%) scale(0.85);
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}

.toast.is-show {
  animation: toast-pop 0.85s ease forwards;
}

@keyframes toast-pop {
  0% {
    opacity: 0;
    transform: translate(-50%, -30%) scale(0.7);
  }
  25% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
  }
  70% {
    opacity: 1;
    transform: translate(-50%, -60%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -90%) scale(0.95);
  }
}

/* ---------- milestone (каждые 20 очков) ---------- */
.milestone {
  position: absolute;
  left: 0;
  right: 0;
  top: 44%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  opacity: 0;
  z-index: 3;
}

.milestone.is-show {
  animation: ms-fade 1.5s ease forwards;
}

.ms-word {
  display: flex;
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 9vw, 2.3rem);
  letter-spacing: 0.05em;
  color: #ff3d84;
  text-shadow:
    0 0 20px rgba(255, 61, 132, 0.55),
    0 3px 0 rgba(255, 255, 255, 0.85);
  transform: rotate(-5deg);
}

.ms-word span {
  display: inline-block;
  animation: ms-letter 0.55s cubic-bezier(0.2, 1.7, 0.4, 1) backwards;
}

.ms-sub {
  padding: 3px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 107, 157, 0.5);
  background: rgba(255, 255, 255, 0.88);
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
  color: #e0357f;
}

@keyframes ms-letter {
  0% {
    opacity: 0;
    transform: translateY(28px) scale(0.4) rotate(-14deg);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes ms-fade {
  0% {
    opacity: 0;
    transform: scale(0.7);
  }
  18% {
    opacity: 1;
    transform: scale(1.07);
  }
  32% {
    opacity: 1;
    transform: scale(1);
  }
  76% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.12) translateY(-16px);
  }
}

/* ---------- touch pad ---------- */
.pad {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: auto;
}

.pad__btn {
  padding: 16px 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
  box-shadow: var(--shadow);
}

.pad__btn:active {
  background: var(--accent-2);
  color: #ffffff;
}

.pad__btn--wide {
  grid-column: span 2;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

@media (max-width: 720px) {
  .stage {
    grid-template-columns: minmax(0, 1fr) 110px;
  }

  .panel:first-child {
    display: none;
  }

  .box--keys {
    display: none;
  }

  .pad {
    display: grid;
  }

  .app {
    padding-bottom: 20px;
  }
}

@media (max-width: 380px) {
  .stage {
    grid-template-columns: minmax(0, 1fr) 92px;
  }
}