body {
  font-family: system-ui, sans-serif;
  background-color: #080810;
  color: #fff;
  margin: 0;
  overflow-x: hidden;
}

.page-antialias {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.main-wrapper {
  width: min(100%, 680px);
  margin: 0 auto;
  padding: 16px 12px 28px;
  box-sizing: border-box;
}

.content-width {
  width: 100%;
  max-width: 512px;
  margin: 0 auto;
}

.controls-shell {
  width: 100%;
  max-width: 512px;
  margin: 0 auto;
  padding-bottom: 16px;
  user-select: none;
  touch-action: none;
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 8px;
  padding-right: 8px;
}

.dpad-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 128px;
  height: 128px;
}
.nes-btn {
  display: inline-block;
  padding: 8px 16px;
  background-color: #E94560;
  color: #fff;
  border: 4px solid #000;
  box-shadow: inset -4px -4px 0 rgba(0,0,0,0.3), inset 4px 4px 0 rgba(255,255,255,0.2);
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 1px;
  transition: transform 0.05s;
  border-radius: 0;
  outline: none;
}
.nes-btn:hover { background-color: #ff5a7a; }
.nes-btn:active {
  transform: scale(0.96);
  box-shadow: inset 4px 4px 0 rgba(0,0,0,0.3), inset -4px -4px 0 rgba(255,255,255,0.2);
}
.nes-btn-gold { background-color: #DC9A10; color: #000; }
.nes-btn-gold:hover { background-color: #F8D830; }

/* Blink animation */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.blink { animation: blink 1s step-end infinite; }

/* D-Pad button */
.dpad-well {
  position: relative;
  background: radial-gradient(circle, #1a1a1a 0%, #000 100%);
  border: 4px solid #222;
  box-shadow: inset 0 4px 10px rgba(0,0,0,0.8), 0 2px 0 rgba(255,255,255,0.05);
  border-radius: 9999px;
  width: 112px;
  height: 112px;
}

.dpad-cross-v, .dpad-cross-h {
  position: absolute;
  inset: 0;
  margin: auto;
  background-color: #111;
  border-radius: 2px;
  box-shadow: 
    0 4px 8px rgba(0,0,0,0.6), 
    inset 1px 1px 0 rgba(255,255,255,0.05),
    inset -1px -1px 0 rgba(0,0,0,0.3);
}

.dpad-cross-v {
  width: 40px;
  height: 96px;
}

.dpad-cross-h {
  width: 96px;
  height: 40px;
}

.dpad-btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  cursor: pointer;
  z-index: 30;
  transition: background-color 0.1s;
  width: 48px;
  height: 48px;
}

.dpad-btn:active {
  background-color: rgba(255,255,255,0.1);
}

.dpad-btn-up {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.dpad-btn-down {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

.dpad-btn-left {
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.dpad-btn-right {
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.dpad-arrow {
  font-size: 10px;
  opacity: 0.2;
}

.dpad-center {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 24px;
  height: 24px;
  border: 1px solid #222;
  border-radius: 9999px;
  background-color: #1a1a1a;
  pointer-events: none;
}

.control-pillars {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.mini-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

/* Start/Select Buttons */
.rubber-btn {
  background-color: #333;
  border-radius: 4px;
  transform: rotate(-25deg);
  box-shadow: 
    inset -2px -2px 0 #111,
    inset 2px 2px 0 #444,
    0 4px 4px rgba(0,0,0,0.4);
  cursor: pointer;
}
.rubber-btn:active {
  transform: rotate(-25deg) translateY(1px);
  box-shadow: inset 1px 1px 0 #111, 0 1px 2px rgba(0,0,0,0.4);
}

.rubber-btn-select,
.rubber-btn-start {
  width: 32px;
  height: 12px;
}

.mini-label {
  font-size: 5px;
  color: #444;
}

.action-cluster {
  display: flex;
  gap: 16px;
}

.action-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Action button (A/B) */
.action-btn {
  border-radius: 9999px;
  border: 4px solid #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: bold;
  box-shadow: 
    inset -4px -4px 0 rgba(0,0,0,0.4), 
    inset 4px 4px 0 rgba(255,255,255,0.1),
    0 6px 0 #8a2a3a;
  transition: transform 0.05s, box-shadow 0.05s;
}
.action-btn:active {
  transform: translateY(4px);
  box-shadow: 
    inset 4px 4px 0 rgba(0,0,0,0.4), 
    inset -4px -4px 0 rgba(255,255,255,0.1),
    0 2px 0 #8a2a3a;
}

.action-btn-run,
.action-btn-jump {
  width: 56px;
  height: 56px;
  background-color: #E94560;
  color: #fff;
  font-size: 12px;
}

.action-label {
  font-size: 7px;
  color: #666;
}


/* Leaderboard row hover */
.lb-row { transition: background-color 0.1s; }
.lb-row:hover { background-color: rgba(255,255,255,0.05); }

/* Focus gold border */
.focus-gold:focus { border-color: #F8D830 !important; }

.status-online {
  background-color: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.4);
}

.status-offline {
  background-color: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.status-connecting {
  background-color: #facc15;
  animation: pulse 1s infinite;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.18);
}

.db-status-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 6px 10px;
  border: 1px solid rgba(248, 216, 48, 0.2);
  background: rgba(255,255,255,0.03);
}

.db-status-text {
  font-size: 6px;
  letter-spacing: 0.16em;
}

.db-status-text-online {
  color: #4ade80;
}

.db-status-text-offline {
  color: #ef4444;
}

.db-status-text-connecting {
  color: #facc15;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}
.lb-row { 
  display: grid;
  grid-template-columns: 36px 1fr 1fr;
  padding: 6px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background-color 0.1s;
}

@media (min-width: 640px) {
  .lb-row {
    grid-template-columns: 48px 1fr 1fr;
    padding: 8px 20px;
  }
}

.lb-row:hover { background-color: rgba(255,255,255,0.05); }

.lb-header {
  display: grid;
  grid-template-columns: 36px 1fr 1fr;
  padding: 8px 12px;
  border-bottom: 1px solid #222;
}

@media (min-width: 640px) {
  .lb-header {
    grid-template-columns: 48px 1fr 1fr;
    padding: 8px 20px;
  }
}

.lb-head-cell {
  font-size: 6px;
  color: #666;
}

.lb-cell {
  font-size: 8px;
}

.lb-score-cell {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.rank-gold {
  color: #F8D830;
}

.rank-silver {
  color: #9ca3af;
}

.rank-bronze {
  color: #6b7280;
}

.rank-standard {
  color: #fff;
}

.leaderboard-message {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
  font-size: 8px;
  color: #6b7280;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Form Elements */
.nes-input {
  flex: 1;
  padding: 6px 8px;
  background-color: #0a0a18;
  border: 2px solid #444;
  color: #fff;
  font-family: inherit;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  outline: none;
}

@media (min-width: 640px) {
  .nes-input {
    font-size: 9px;
  }
}

.nes-input:focus {
  border-color: #F8D830;
}

.score-submit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 320px;
}

.score-submit-title {
  font-size: 7px;
  text-align: center;
  letter-spacing: 0.1em;
  color: #F8D830;
}

.score-submit-row {
  display: flex;
  width: 100%;
  gap: 8px;
}

.score-submit-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.score-submit-message {
  font-size: 7px;
  text-align: center;
  letter-spacing: 0.1em;
}

.score-submit-message-success {
  color: #4ade80;
}

.score-submit-message-error {
  color: #f87171;
}

.hud-shell {
  margin: 14px 0 18px;
  padding: 14px 12px;
  border: 4px solid #000;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0) 45%),
    linear-gradient(135deg, #102447 0%, #0c1730 40%, #160f28 100%);
  box-shadow:
    0 0 0 4px #1f3d68,
    0 10px 22px rgba(0,0,0,0.35);
}

.hud-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.hud-title-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hud-kicker {
  font-size: 6px;
  color: #8fd3ff;
  letter-spacing: 0.22em;
}

.hud-title {
  margin: 0;
  font-size: 11px;
  color: #f9fbff;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}

.hud-pill {
  align-self: center;
  padding: 7px 10px 6px;
  border: 2px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.28);
  color: #f8d830;
  font-size: 6px;
  letter-spacing: 0.18em;
}

.hud-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.hud-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 10px;
  border: 2px solid rgba(255,255,255,0.08);
  background: rgba(5, 10, 25, 0.5);
  min-height: 68px;
  box-sizing: border-box;
}

.hud-label {
  font-size: 6px;
  color: #8ea0c9;
  letter-spacing: 0.16em;
}

.hud-value {
  font-size: 13px;
  color: #ffffff;
  line-height: 1.2;
  text-shadow: 2px 2px 0 rgba(0,0,0,0.4);
}

@media (min-width: 640px) {
  .hud-shell {
    padding: 16px 16px 18px;
  }

  .hud-title {
    font-size: 12px;
  }

  .hud-value {
    font-size: 14px;
  }
}

/* Instructions */
.instruction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.instruction-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.instruction-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.leaderboard-shell {
  width: 100%;
  max-width: 512px;
  margin: 0 auto;
  background-color: #0C0C1E;
  border: 4px solid #F8D830;
  box-shadow: 0 0 0 4px #000, 0 8px 24px rgba(0,0,0,0.5);
}

.leaderboard-head {
  padding: 14px 0;
  border-bottom: 2px solid #333;
  text-align: center;
}

.leaderboard-title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.leaderboard-star {
  color: #F8D830;
}

.leaderboard-title {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: #F8D830;
  text-shadow: 2px 2px 0 #8B6914;
}

.leaderboard-subtitle {
  margin-top: 6px;
  font-size: 5px;
  letter-spacing: 0.3em;
  color: #555;
}

.leaderboard-rows {
  position: relative;
  min-height: 100px;
}

.leaderboard-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 96px;
}

.leaderboard-loading-text {
  font-size: 8px;
  color: #fff;
}

.submit-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-top: 2px solid #333;
}

/* Scanlines & Game Container */
.game-stage {
  display: grid;
  grid-template-columns: minmax(0, 512px);
  justify-content: center;
  gap: 12px;
}

#game-container {
  border: 4px solid #000;
  background-color: #000;
  position: relative;
  width: 100%;
  max-width: 512px;
  margin: 0 auto;
  /* Force 4:3 aspect ratio with a fallback height */
  aspect-ratio: 4 / 3;
  min-height: 240px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.volume-panel {
  width: 100%;
  max-width: 512px;
  margin: 0 auto;
  padding: 10px 12px;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto auto minmax(120px, 1fr) 42px;
  align-items: center;
  gap: 10px;
}

.audio-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 6px;
  color: #f8d830;
  letter-spacing: 0.16em;
}

.audio-toggle input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: #f8d830;
}

.volume-label,
.volume-value {
  font-size: 6px;
  color: #f8d830;
  letter-spacing: 0.16em;
}

.volume-value {
  color: #fff;
  text-align: right;
}

.volume-slider {
  width: 100%;
  accent-color: #f8d830;
}

@media (min-width: 512px) {
  #game-container {
    height: 384px;
  }
}

canvas {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  display: block;
  background-color: #5C94FC; /* Mario Sky Blue */
}

.scanlines::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.1),
    rgba(0, 0, 0, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 5;
}

.site-footer {
  max-width: 780px;
  margin: 16px auto 24px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 9px;
  line-height: 1.6;
  text-align: center;
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.55);
}

.site-footer p {
  margin: 4px 0;
}

.site-footer a {
  color: #f9d65c;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
}

@media (min-width: 640px) {
  .game-stage {
    grid-template-columns: minmax(0, 512px) 28px;
    align-items: stretch;
    gap: 2px;
  }

  .volume-panel {
    width: 28px;
    min-height: 240px;
    margin: 0;
    padding: 10px 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    justify-items: center;
    gap: 10px;
  }

  .audio-toggle {
    flex-direction: column;
    gap: 4px;
    line-height: 1;
  }

  .audio-toggle span {
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }

  .volume-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }

  .volume-slider {
    width: 170px;
    transform: rotate(-90deg);
  }

  .volume-value {
    text-align: center;
  }

  .controls-row {
    padding-left: 16px;
    padding-right: 16px;
  }

  .dpad-stage {
    width: 160px;
    height: 160px;
  }

  .dpad-well {
    width: 144px;
    height: 144px;
  }

  .dpad-cross-v {
    width: 48px;
    height: 128px;
  }

  .dpad-cross-h {
    width: 128px;
    height: 48px;
  }

  .dpad-btn {
    width: 56px;
    height: 56px;
  }

  .dpad-center {
    width: 32px;
    height: 32px;
  }

  .rubber-btn-select,
  .rubber-btn-start {
    width: 40px;
    height: 16px;
  }

  .action-cluster {
    gap: 24px;
  }

  .action-btn-run,
  .action-btn-jump {
    width: 64px;
    height: 64px;
  }

  .leaderboard-title {
    font-size: 12px;
  }

  .leaderboard-subtitle {
    font-size: 6px;
  }

  .submit-shell {
    padding-left: 20px;
    padding-right: 20px;
  }
}