.game-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#game-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
  font-family: var(--shg-font-body);
  position: relative;
}

#game-wrap.mode-instructions #hud,
#game-wrap.mode-instructions #shiftbar-row,
#game-wrap.mode-instructions #audio-controls,
#game-wrap.mode-highscore #hud,
#game-wrap.mode-highscore #shiftbar-row,
#game-wrap.mode-highscore #audio-controls,
#game-wrap.mode-nameEntry #hud,
#game-wrap.mode-nameEntry #shiftbar-row,
#game-wrap.mode-nameEntry #audio-controls {
  display: none;
}

#instructions-screen,
#highscore-screen,
#name-entry-screen {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 10;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
  pointer-events: none;
}

#game-wrap.mode-instructions #instructions-screen,
#game-wrap.mode-highscore #highscore-screen,
#game-wrap.mode-nameEntry #name-entry-screen {
  display: flex;
}

.instructions-card {
  width: 100%;
  max-width: 420px;
  background: color-mix(in srgb, var(--shg-bg) 82%, transparent);
  border: 3px solid color-mix(in srgb, var(--shg-rust) 75%, transparent);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
  box-sizing: border-box;
  backdrop-filter: blur(2px);
}

.instructions-title {
  font-family: var(--shg-font-display);
  font-size: 38px;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--shg-text);
  margin: 0 0 20px;
  text-transform: uppercase;
}

.instructions-body {
  font-family: var(--shg-font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--shg-text);
  margin: 0 0 8px;
}

.instructions-body p {
  margin: 0 0 12px;
}

.instructions-body strong {
  color: var(--shg-rust);
  font-weight: 600;
}

.instructions-prompt {
  font-family: var(--shg-font-display);
  font-size: 18px;
  text-align: center;
  color: var(--shg-caution);
  letter-spacing: 0.1em;
  margin: 28px 0 0;
  text-transform: uppercase;
  animation: shg-text-pulse 1.2s ease-in-out infinite;
}

.highscore-card {
  width: 100%;
  max-width: 420px;
  background: color-mix(in srgb, var(--shg-bg) 82%, transparent);
  border: 3px solid color-mix(in srgb, var(--shg-rust) 75%, transparent);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
  box-sizing: border-box;
  backdrop-filter: blur(2px);
}

.highscore-title {
  font-family: var(--shg-font-display);
  font-size: 38px;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--shg-text);
  margin: 0 0 4px;
  text-transform: uppercase;
}

.highscore-label {
  font-family: var(--shg-font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--shg-rust);
  margin: 0 0 24px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.highscore-table {
  font-family: var(--shg-font-mono);
  font-size: 14px;
}

.highscore-header {
  display: flex;
  gap: 8px;
  padding: 0 4px 8px;
  color: var(--shg-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--shg-border);
}

.highscore-header .col-name {
  flex: 1;
}

.highscore-header .col-lvl {
  width: 40px;
  text-align: center;
}

.highscore-header .col-score {
  width: 60px;
  text-align: right;
}

.highscore-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 4px;
  border-bottom: 1px solid color-mix(in srgb, var(--shg-text) 8%, transparent);
  color: var(--shg-text);
}

.highscore-row:last-child {
  border-bottom: none;
}

.highscore-row .row-name {
  flex: 1;
  font-size: 14px;
}

.highscore-row .row-level {
  width: 40px;
  text-align: center;
  font-size: 13px;
  color: var(--shg-text-muted);
}

.highscore-row .row-score {
  width: 60px;
  text-align: right;
  font-size: 14px;
  font-weight: 700;
  color: var(--shg-caution);
}

@keyframes pulseRow {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--shg-caution) 0%, transparent);
  }
  45% {
    transform: scale(1.06);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--shg-caution) 60%, transparent);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--shg-caution) 0%, transparent);
  }
}

.highscore-prompt {
  font-family: var(--shg-font-display);
  font-size: 18px;
  text-align: center;
  color: var(--shg-text);
  letter-spacing: 0.1em;
  margin: 28px 0 0;
  text-transform: uppercase;
  animation: shg-text-pulse 1.2s ease-in-out infinite;
}

.name-entry-card {
  width: 100%;
  max-width: 420px;
  background: color-mix(in srgb, var(--shg-bg) 82%, transparent);
  border: 3px solid color-mix(in srgb, var(--shg-rust) 75%, transparent);
  border-radius: 6px;
  padding: 1.75rem 1.5rem;
  box-sizing: border-box;
  backdrop-filter: blur(2px);
  pointer-events: auto;
}

.name-entry-title {
  font-family: var(--shg-font-display);
  font-size: 32px;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--shg-caution);
  margin: 0 0 12px;
  text-transform: uppercase;
  animation: shg-text-pulse 1.2s ease-in-out infinite;
}

.name-entry-prompt {
  font-family: var(--shg-font-body);
  font-size: 15px;
  text-align: center;
  color: var(--shg-text);
  margin: 0 0 16px;
}

#name-entry-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-family: var(--shg-font-mono);
  font-size: 16px;
  color: var(--shg-text);
  background: var(--shg-surface);
  border: 2px solid color-mix(in srgb, var(--shg-rust) 60%, transparent);
  border-radius: 4px;
  outline: none;
}

#name-entry-input:focus {
  border-color: var(--shg-caution);
}

#name-entry-submit {
  display: block;
  width: 100%;
  padding: 10px 18px;
  font-family: var(--shg-font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--shg-text);
  background: var(--shg-surface);
  border: 2px solid color-mix(in srgb, var(--shg-rust) 75%, transparent);
  border-radius: 4px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

#name-entry-submit:hover {
  border-color: var(--shg-caution);
  color: var(--shg-caution);
}

#play-area,
#game-layout {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 100%;
}

#game-column {
  width: 560px;
  max-width: 100%;
  flex-shrink: 0;
}

#canvas-stack {
  position: relative;
  width: 560px;
  height: 560px;
  max-width: 100%;
  flex-shrink: 0;
}

#audio-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 4px;
  flex-shrink: 0;
}

.audio-label {
  font-family: var(--shg-font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--shg-text-muted);
  text-transform: uppercase;
}

#mute-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  font-family: var(--shg-font-body);
  color: var(--shg-text);
  background: var(--shg-surface);
  border: 1px solid var(--shg-border);
  border-radius: 4px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

#mute-btn:hover,
#mute-btn[aria-pressed="true"] {
  border-color: var(--shg-caution);
  color: var(--shg-caution);
}

#volume-slider {
  writing-mode: vertical-lr;
  direction: rtl;
  width: 28px;
  height: 200px;
  margin: 0;
  accent-color: var(--shg-caution);
  cursor: pointer;
}

@media (max-width: 620px) {
  #play-area,
  #game-layout {
    flex-direction: column;
    align-items: center;
  }

  #audio-controls {
    flex-direction: row;
    width: 100%;
    max-width: 560px;
    justify-content: center;
    padding-top: 0;
  }

  #volume-slider {
    writing-mode: horizontal-tb;
    direction: ltr;
    width: 160px;
    height: auto;
  }
}

#game-canvas,
#fx-canvas {
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 6px;
  max-width: 100%;
  height: auto;
}

#game-canvas {
  border: 0.5px solid var(--shg-border);
  background: #3a2a1a;
}

#fx-canvas {
  pointer-events: none;
}

#hud {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 14px;
  box-sizing: border-box;
}

.hud-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hud-label {
  font-family: var(--shg-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shg-text-muted);
}

.hud-value {
  font-family: var(--shg-font-display);
  font-size: clamp(2rem, 8vw, 2.75rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--shg-caution);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

#shiftbar-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 10px;
  box-sizing: border-box;
}

.shiftbar-label {
  font-family: var(--shg-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shg-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

#shiftbar-wrap {
  flex: 1;
  height: 6px;
  background: var(--shg-surface-raised);
  border-radius: 3px;
  overflow: hidden;
}

#shiftbar {
  height: 100%;
  background: var(--shg-caution);
  width: 0%;
  transition: width 0.1s linear;
  border-radius: 3px;
}

#shiftbar-wrap.shiftbar-warning {
  animation: shiftbar-pulse 0.75s ease-in-out infinite;
}

@keyframes shiftbar-pulse {
  0%, 100% {
    opacity: 0.85;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--shg-caution) 0%, transparent);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 10px 2px color-mix(in srgb, var(--shg-caution) 70%, transparent);
  }
}

#win-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  opacity: 0;
  font-size: 28px;
  font-weight: 500;
  color: #fff;
  text-align: center;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(.34, 1.56, .64, 1), opacity 0.3s;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

#win-banner.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

#win-banner .sub {
  font-size: 14px;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 4px;
}

#countdown-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
  font-family: var(--shg-font-display);
  font-size: clamp(4rem, 18vw, 7rem);
  letter-spacing: 0.06em;
  color: var(--shg-caution);
  text-align: center;
  pointer-events: none;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.55);
  z-index: 11;
}

#countdown-banner.show {
  visibility: visible;
  animation: countdown-fade 0.9s ease-in-out forwards;
}

@keyframes countdown-fade {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.85);
  }
  18% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  72% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.08);
  }
}

#pause-banner,
#restart-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  visibility: hidden;
  font-family: var(--shg-font-display);
  font-size: clamp(2.5rem, 10vw, 4rem);
  letter-spacing: 0.06em;
  color: var(--shg-caution);
  text-align: center;
  pointer-events: none;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.55);
}

#restart-banner {
  white-space: nowrap;
}

#pause-banner.show,
#restart-banner.show {
  opacity: 1;
  visibility: visible;
  animation: shg-text-pulse-centered 1.2s ease-in-out infinite;
}

#restart-banner .sub {
  display: block;
  font-family: var(--shg-font-body);
  font-size: 0.32em;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: 0.5rem;
  opacity: 0.9;
  white-space: normal;
}

@keyframes shg-text-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.82;
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes shg-text-pulse-centered {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.82;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 1;
  }
}

#dpad {
  display: none;
  position: fixed;
  left: max(12px, env(safe-area-inset-left, 0px));
  bottom: max(12px, env(safe-area-inset-bottom, 0px));
  z-index: 100;
  touch-action: none;
  grid-template-columns: 60px 60px 60px;
  grid-template-rows: 60px 60px;
  gap: 4px;
}

#dpad:not([hidden]) {
  display: grid;
}

.dpad-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  padding: 0;
  margin: 0;
  border: 2px solid color-mix(in srgb, var(--shg-rust) 75%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--shg-bg) 72%, transparent);
  color: var(--shg-caution);
  cursor: pointer;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.dpad-btn svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.dpad-btn:active,
.dpad-btn.pressed {
  border-color: var(--shg-caution);
  background: color-mix(in srgb, var(--shg-rust) 35%, var(--shg-bg));
}

.dpad-up {
  grid-column: 2;
  grid-row: 1;
}

.dpad-left {
  grid-column: 1;
  grid-row: 2;
}

.dpad-down {
  grid-column: 2;
  grid-row: 2;
}

.dpad-right {
  grid-column: 3;
  grid-row: 2;
}