.onboarding-layer {
  position: fixed;
  inset: 0;
  z-index: 1550;
  pointer-events: none;
}

.onboarding-coach {
  position: fixed;
  left: 50%;
  bottom: max(104px, calc(env(safe-area-inset-bottom) + 92px));
  width: min(92vw, 430px);
  padding: 14px 15px 13px;
  border: 1px solid rgba(102, 231, 255, 0.34);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(8, 24, 34, 0.96), rgba(3, 12, 18, 0.97)),
    rgba(3, 12, 18, 0.96);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42), 0 0 28px rgba(102, 231, 255, 0.08);
  color: #eafcff;
  transform: translateX(-50%);
  pointer-events: auto;
}

.onboarding-coach[hidden] { display: none; }

.onboarding-coach__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #7cecff;
  font-size: 0.55rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.onboarding-coach__eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.onboarding-coach strong {
  display: block;
  margin-top: 6px;
  color: #f7fdff;
  font-size: 0.92rem;
  line-height: 1.15;
}

.onboarding-coach p {
  margin: 6px 0 0;
  color: #a9c3cf;
  font-size: 0.69rem;
  font-weight: 700;
  line-height: 1.45;
}

.onboarding-coach__actions {
  display: flex;
  justify-content: flex-end;
  gap: 7px;
  margin-top: 10px;
}

.onboarding-coach__action {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(120, 197, 219, 0.23);
  border-radius: 10px;
  background: rgba(9, 27, 38, 0.88);
  color: #b9d6e0;
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.onboarding-coach__action--primary {
  border-color: rgba(102, 231, 255, 0.5);
  background: linear-gradient(180deg, rgba(26, 115, 138, 0.75), rgba(10, 61, 76, 0.82));
  color: #effdff;
}

.onboarding-target {
  position: relative;
  z-index: 1540 !important;
  isolation: isolate;
  box-shadow:
    0 0 0 2px rgba(102, 231, 255, 0.86),
    0 0 0 7px rgba(102, 231, 255, 0.12),
    0 0 28px rgba(102, 231, 255, 0.34) !important;
}

.onboarding-target--gold {
  box-shadow:
    0 0 0 2px rgba(255, 201, 103, 0.92),
    0 0 0 7px rgba(255, 201, 103, 0.12),
    0 0 28px rgba(255, 201, 103, 0.3) !important;
}

.board-preview__slot.onboarding-lane-target {
  border-color: rgba(102, 231, 255, 0.76) !important;
  background:
    linear-gradient(180deg, rgba(102, 231, 255, 0.11), rgba(102, 231, 255, 0.025)),
    rgba(7, 20, 29, 0.9) !important;
  box-shadow: inset 0 0 22px rgba(102, 231, 255, 0.12), 0 0 15px rgba(102, 231, 255, 0.09) !important;
}

.board-preview__slot.onboarding-merge-target {
  border-color: rgba(255, 201, 103, 0.88) !important;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 201, 103, 0.16), transparent 64%),
    rgba(26, 20, 11, 0.9) !important;
  box-shadow: inset 0 0 24px rgba(255, 201, 103, 0.11), 0 0 18px rgba(255, 201, 103, 0.12) !important;
}

.onboarding-gesture {
  position: fixed;
  z-index: 1545;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  background: rgba(239, 253, 255, 0.94);
  color: #0a2430;
  font-size: 1rem;
  font-weight: 950;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.38), 0 0 18px rgba(102, 231, 255, 0.24);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.onboarding-gesture[hidden] { display: none; }

.onboarding-gesture[data-kind="tap"] {
  animation: onboarding-tap 1.15s ease-in-out infinite;
}

.onboarding-gesture[data-kind="drag"] {
  animation: onboarding-drag 1.7s ease-in-out infinite;
}

.app-shell[data-onboarding-active="true"] .context-hint {
  opacity: 0.18;
}

.how-to-play-action {
  min-height: 40px;
  border: 1px solid rgba(102, 231, 255, 0.24);
  border-radius: 11px;
  background: rgba(7, 24, 34, 0.82);
  color: #ccecf4;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  cursor: pointer;
}

@keyframes onboarding-tap {
  0%, 100% { transform: translate(-50%, -50%) scale(0.92); opacity: 0.72; }
  45% { transform: translate(-50%, -50%) scale(1.08); opacity: 1; }
}

@keyframes onboarding-drag {
  0%, 100% { transform: translate(-70%, -50%) scale(0.94); opacity: 0.72; }
  50% { transform: translate(-25%, -50%) scale(1.04); opacity: 1; }
}

@media (min-width: 900px) {
  .onboarding-coach {
    left: auto;
    right: 22px;
    bottom: 22px;
    width: 370px;
    transform: none;
  }
}

@media (max-width: 720px) {
  .onboarding-coach {
    bottom: max(112px, calc(env(safe-area-inset-bottom) + 100px));
    width: min(94vw, 410px);
    padding: 12px 13px;
  }

  .onboarding-coach strong { font-size: 0.82rem; }
  .onboarding-coach p { font-size: 0.64rem; }
  .onboarding-coach__action { min-height: 36px; }
}

@media (max-height: 680px) and (max-width: 720px) {
  .onboarding-coach {
    bottom: max(86px, calc(env(safe-area-inset-bottom) + 74px));
    padding: 10px 12px;
  }

  .onboarding-coach p { line-height: 1.3; }
  .onboarding-coach__actions { margin-top: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  .onboarding-gesture { animation: none !important; }
  .onboarding-target,
  .onboarding-lane-target,
  .onboarding-merge-target { transition: none !important; }
}