:root {
  --ss-help-bg: rgba(8, 8, 15, 0.88);
  --ss-help-panel: rgba(15, 15, 26, 0.97);
  --ss-help-text: #ffffff;
  --ss-help-muted: rgba(255, 255, 255, 0.78);
  --ss-help-cyan: #00f5ff;
  --ss-help-magenta: #ff006e;
  --ss-help-yellow: #ffe600;
}

.ss-help-button {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  z-index: 9000;
  width: 44px;
  height: 44px;
  border: 2px solid var(--ss-help-cyan);
  border-radius: 50%;
  background: rgba(8, 8, 15, 0.82);
  color: var(--ss-help-text);
  box-shadow: 0 0 18px rgba(0, 245, 255, 0.38);
  cursor: pointer;
  font: 800 22px/1 Arial, sans-serif;
  display: grid;
  place-items: center;
  touch-action: manipulation;
}

.ss-help-button:hover,
.ss-help-button:focus-visible {
  border-color: var(--ss-help-yellow);
  box-shadow: 0 0 22px rgba(255, 230, 0, 0.42);
  outline: none;
}

.ss-help-modal.hidden {
  display: none;
}

.ss-help-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 16px;
  color: var(--ss-help-text);
}

.ss-help-backdrop {
  position: absolute;
  inset: 0;
  background: var(--ss-help-bg);
  backdrop-filter: blur(8px);
}

.ss-help-panel {
  position: relative;
  width: min(540px, 100%);
  max-height: min(720px, calc(100vh - 32px));
  overflow: auto;
  border: 2px solid var(--ss-help-cyan);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 245, 255, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(255, 0, 110, 0.14), transparent 38%),
    var(--ss-help-panel);
  box-shadow: 0 0 34px rgba(0, 245, 255, 0.32);
  padding: 24px;
  font-family: Inter, "Chakra Petch", Arial, sans-serif;
}

.ss-help-panel:focus {
  outline: none;
}

.ss-help-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.38);
  color: var(--ss-help-text);
  cursor: pointer;
  font: 700 26px/1 Arial, sans-serif;
}

.ss-help-kicker {
  margin: 0 44px 8px 0;
  color: var(--ss-help-cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ss-help-panel h2 {
  margin: 0 44px 18px 0;
  color: var(--ss-help-text);
  font-size: clamp(1.45rem, 5vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ss-help-grid {
  display: grid;
  gap: 10px;
}

.ss-help-item {
  border-left: 3px solid var(--ss-help-magenta);
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 12px;
}

.ss-help-item h3 {
  margin: 0 0 4px;
  color: var(--ss-help-yellow);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.ss-help-item p {
  margin: 0;
  color: var(--ss-help-muted);
  font-size: 1rem;
  line-height: 1.35;
}

.ss-help-play,
.ss-help-gameover {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--ss-help-cyan), var(--ss-help-magenta));
  color: #05050b;
  cursor: pointer;
  font: 900 0.95rem/1 Inter, Arial, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
  touch-action: manipulation;
}

.ss-help-play {
  width: 100%;
  margin-top: 16px;
  padding: 0 18px;
}

.ss-help-gameover {
  padding: 0 16px;
}

.ss-help-play:focus-visible,
.ss-help-gameover:focus-visible,
.ss-help-close:focus-visible {
  outline: 3px solid var(--ss-help-yellow);
  outline-offset: 3px;
}

@media (max-width: 560px) {
  .ss-help-button {
    width: 42px;
    height: 42px;
    font-size: 20px;
  }

  .ss-help-modal {
    align-items: end;
    padding: 10px;
  }

  .ss-help-panel {
    width: 100%;
    max-height: calc(100vh - 20px);
    padding: 20px 16px 16px;
  }

  .ss-help-item p {
    font-size: 0.95rem;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  .ss-help-modal {
    padding: 8px;
  }

  .ss-help-panel {
    max-height: calc(100vh - 16px);
    padding: 16px;
  }

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

  .ss-help-play {
    margin-top: 12px;
  }
}