.nm-shell {
  --nm-neon: #4df0b6;
  --nm-lime: #b6ff5c;
  --nm-rose: #ff5d8f;
  --nm-deep: #081714;
  --nm-ar: 1.3636;
  --nm-w: min(100%, calc((100dvh - 250px) * var(--nm-ar)), 860px);
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 26px;
  color: var(--cg-ink);
  font-family: Inter, Arial, sans-serif;
}

.cg-shell-game .cg-stage-main #game-root > .nm-shell {
  max-width: min(100%, 900px) !important;
}

.nm-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: var(--nm-w);
  margin: 0 auto 10px;
}

.nm-statline,
.nm-actions,
.nm-hud,
.nm-pad-row {
  display: flex;
  align-items: center;
}

.nm-statline {
  gap: 8px;
  min-width: 0;
}

.nm-actions {
  flex: 0 0 auto;
  gap: 8px;
}

.nm-stat,
.nm-card {
  min-width: 74px;
  padding: 7px 10px;
  border: 1px solid var(--cg-line);
  border-radius: 9px;
  background: var(--cg-panel);
  box-shadow: 0 4px 12px rgba(33, 43, 40, 0.06);
  text-align: center;
}

.nm-stat span,
.nm-card span {
  display: block;
  color: var(--cg-muted);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nm-stat strong,
.nm-card strong {
  display: block;
  margin-top: 2px;
  font-size: 18px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.nm-btn,
.nm-close,
.nm-key,
.nm-seg-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--cg-line);
  border-radius: 9px;
  background: var(--cg-panel);
  color: var(--cg-ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(33, 43, 40, 0.06);
  transition: transform 120ms ease, border-color 120ms ease;
}

.nm-btn:hover,
.nm-close:hover,
.nm-seg-btn:hover,
.nm-key:hover {
  transform: translateY(-1px);
  border-color: var(--nm-neon);
}

.nm-btn:focus-visible,
.nm-close:focus-visible,
.nm-key:focus-visible,
.nm-seg-btn:focus-visible,
.nm-canvas:focus-visible {
  outline: 3px solid rgba(49, 95, 157, 0.35);
  outline-offset: 3px;
}

.nm-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.nm-icon {
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-size: 20px;
}

.nm-primary {
  border-color: transparent;
  background: var(--nm-neon);
  color: var(--nm-deep);
}

.nm-stage {
  position: relative;
  width: var(--nm-w);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #1b6a55;
  border-radius: 14px;
  background: var(--nm-deep);
  box-shadow: 0 0 0 1px rgba(77, 240, 182, 0.18), 0 18px 46px rgba(6, 40, 32, 0.4);
  touch-action: none;
  user-select: none;
}

.nm-canvas {
  display: block;
  width: 100%;
  aspect-ratio: var(--nm-ar);
  cursor: crosshair;
}

.nm-progress,
.nm-clock {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
}

.nm-progress {
  border-top: 1px solid rgba(0, 0, 0, 0.4);
}

.nm-progress-fill {
  height: 100%;
  width: 0;
  background: var(--nm-lime);
  transition: width 140ms linear;
}

.nm-clock-fill {
  height: 100%;
  width: 100%;
  background: var(--cg-amber);
  transition: width 140ms linear;
}

.nm-banner {
  position: absolute;
  z-index: 6;
  top: 14px;
  left: 50%;
  padding: 9px 18px;
  border: 1px solid var(--nm-neon);
  border-radius: 999px;
  background: rgba(8, 23, 20, 0.86);
  color: var(--nm-neon);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.03em;
  transform: translateX(-50%);
  pointer-events: none;
  white-space: nowrap;
}

.nm-overlay {
  position: absolute;
  z-index: 8;
  top: 50%;
  left: 50%;
  display: grid;
  gap: 10px;
  width: min(86%, 340px);
  padding: 20px;
  border: 1px solid rgba(77, 240, 182, 0.5);
  border-radius: 14px;
  background: rgba(8, 23, 20, 0.93);
  color: #eafff6;
  text-align: center;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(8px);
}

.nm-overlay strong {
  font-size: 24px;
  line-height: 1.1;
  color: var(--nm-neon);
}

.nm-overlay span,
.nm-overlay p {
  margin: 0;
  color: #a9c9bf;
  font-size: 14px;
  line-height: 1.45;
}

.nm-result-row {
  display: flex;
  gap: 8px;
}

.nm-result-row .nm-btn {
  flex: 1 1 0;
  padding: 0 8px;
  font-size: 13px;
}

.nm-card {
  position: relative;
  overflow: hidden;
  text-align: left;
  padding-left: 12px;
}

.nm-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--nm-neon);
  content: "";
}

.nm-card:nth-child(2)::before { background: var(--nm-lime); }
.nm-card:nth-child(3)::before { background: var(--cg-teal); }
.nm-card:nth-child(4)::before { background: var(--cg-amber); }

.nm-below {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 12px;
  width: var(--nm-w);
  margin: 10px auto 0;
}

.nm-seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--cg-line);
  border-radius: 11px;
  background: var(--cg-panel);
  box-shadow: 0 8px 20px rgba(33, 43, 40, 0.08);
}

.nm-seg-btn {
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--cg-muted);
  font-size: 14px;
}

.nm-seg-btn[aria-pressed="true"] {
  background: var(--nm-deep);
  color: var(--nm-neon);
}

.nm-meta {
  display: flex;
  gap: 12px;
  color: var(--cg-muted);
  font-size: 13px;
  white-space: nowrap;
}

.nm-meta b {
  color: var(--cg-ink);
  font-variant-numeric: tabular-nums;
}

.nm-note {
  width: var(--nm-w);
  margin: 8px auto 0;
  color: var(--cg-muted);
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
}

.nm-pad {
  display: none;
}

.nm-modal {
  position: fixed;
  z-index: 60;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(8, 23, 20, 0.62);
}

.nm-modal-card {
  position: relative;
  width: min(100%, 470px);
  max-height: 84vh;
  overflow-y: auto;
  padding: 22px;
  border: 1px solid var(--cg-line);
  border-radius: 14px;
  background: var(--cg-panel);
  color: var(--cg-ink);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

.nm-modal-card h2 {
  margin: 0 48px 12px 0;
  font-size: 23px;
  line-height: 1.1;
  color: var(--nm-deep);
}

.nm-modal-card p {
  margin: 10px 0 0;
  color: var(--cg-muted);
  font-size: 14px;
  line-height: 1.5;
}

.nm-close {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
}

.nm-hidden {
  display: none !important;
}

@media (max-width: 620px) {
  .nm-shell { padding: 0 10px 14px; }
  .nm-topbar { gap: 6px; margin-bottom: 6px; }
  .nm-statline { gap: 4px; }
  .nm-card { min-width: 0; padding: 5px 8px 5px 10px; }
  .nm-card-lvl { display: none; }
  .nm-card strong { font-size: 15px; }
  .nm-actions { gap: 5px; }
  .nm-share-top { display: none; }
  .nm-stage { border-radius: 12px; }
  .nm-overlay { gap: 8px; padding: 15px; width: min(90%, 330px); }
  .nm-overlay strong { font-size: 20px; }
  .nm-overlay span, .nm-overlay p { font-size: 13px; }
  .nm-banner { font-size: 13px; padding: 7px 13px; }
  .nm-meta { gap: 9px; font-size: 12px; }
}

@media (pointer: coarse) {
  .nm-note { display: none; }

  .nm-pad {
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr 1fr 1fr;
    gap: 6px;
    width: var(--nm-w);
    margin: 10px auto 0;
  }

  .nm-key {
    min-height: 60px;
    padding: 0;
    background: var(--cg-panel);
    font-size: 20px;
    touch-action: none;
  }

  .nm-key[aria-pressed="true"] {
    border-color: var(--nm-neon);
    background: var(--nm-deep);
    color: var(--nm-neon);
  }

  .nm-key-cut {
    background: var(--nm-deep);
    color: var(--nm-neon);
    font-size: 16px;
    letter-spacing: 0.1em;
  }

  .nm-key-cut[aria-pressed="true"] {
    background: var(--nm-neon);
    color: var(--nm-deep);
    box-shadow: 0 0 18px rgba(77, 240, 182, 0.7);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nm-btn,
  .nm-close,
  .nm-seg-btn,
  .nm-key,
  .nm-progress-fill,
  .nm-clock-fill {
    transition-duration: 1ms;
  }
}