:root {
  --font-heading: 'Press Start 2P', cursive;
  --font-body: 'Silkscreen', sans-serif;
  --bg-dark: #1a1c2e;
  --panel-bg: #262b44;
  --panel-border: #10121d;
  --panel-highlight: #5a6988;
  --panel-shadow: #181a28;
  --text-main: #f0e8d8;
  --text-muted: #8b9bb4;
  --gold: #f0c265;
  --gold-dark: #8b6d20;
  --gold-light: #fff2a8;
  --green: #4a8a2f;
  --red: #cc3333;
  --sky-blue: #87CEEB;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  border-radius: 0 !important;
  -webkit-font-smoothing: none !important;
  -moz-osx-font-smoothing: unset !important;
  font-smooth: never !important;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  touch-action: none;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

/* ===== GAME CANVAS ===== */
#game-container {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

#game-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

#vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0) 42%, rgba(8,10,18,0.42) 100%);
}

.hidden {
  display: none !important;
  opacity: 0;
  pointer-events: none;
}

/* ===== HUD LAYER ===== */
#hud-layer {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  overflow: hidden;
}

/* Use CSS Grid for corner-anchored HUD placement — never overflows */
.hud-top-left {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 11;
  max-width: 40vw;
}

.hud-top-right {
  position: fixed;
  top: 8px;
  right: 8px;
  z-index: 11;
  max-width: 40vw;
}

.hud-top-center {
  position: fixed;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  max-width: 50vw;
}

.hud-bottom-left {
  position: fixed;
  bottom: 8px;
  left: 8px;
  z-index: 11;
  max-width: 40vw;
}

.hud-bottom-right {
  position: fixed;
  bottom: 8px;
  right: 8px;
  z-index: 11;
  display: flex;
  gap: 8px;
}

/* ===== PIXEL PANEL ===== */
.pixel-panel {
  background: var(--panel-bg);
  pointer-events: auto;
  padding: 8px 10px;
  box-shadow:
    -2px 0 0 0 var(--panel-border),
    2px 0 0 0 var(--panel-border),
    0 -2px 0 0 var(--panel-border),
    0 2px 0 0 var(--panel-border),
    -2px -2px 0 0 var(--panel-border),
    2px -2px 0 0 var(--panel-border),
    -2px 2px 0 0 var(--panel-border),
    2px 2px 0 0 var(--panel-border),
    inset 1px 1px 0 0 var(--panel-highlight),
    inset -1px -1px 0 0 var(--panel-shadow);
}

.banner-panel {
  font-size: clamp(6px, 1.2vw, 8px);
  padding: 4px 10px;
  font-family: var(--font-heading);
}

.meter-panel {
  min-width: 100px;
  max-width: 180px;
  width: 20vw;
}

/* ===== HUD TYPOGRAPHY ===== */
.hud-label {
  font-family: var(--font-heading);
  font-size: clamp(6px, 1.2vw, 8px);
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hud-value {
  font-family: var(--font-heading);
  font-size: clamp(12px, 3vw, 20px);
  color: var(--gold);
  white-space: nowrap;
}

.hud-sub {
  font-family: var(--font-body);
  font-size: clamp(6px, 1.2vw, 8px);
  color: var(--text-muted);
}

/* ===== METER BARS ===== */
.meter-bar-bg {
  height: clamp(8px, 1.5vh, 14px);
  background: #10121d;
  border: 2px solid var(--panel-highlight);
  box-shadow: inset 1px 1px 0 0 #000;
  width: 100%;
}

.meter-bar-fill {
  height: 100%;
  transition: width 0.1s steps(8);
}

.nitro-fill {
  background: repeating-linear-gradient(90deg, #f0c265 0px, #f0c265 6px, #10121d 6px, #10121d 8px);
}

.jump-fill {
  background: repeating-linear-gradient(90deg, #4a8a2f 0px, #4a8a2f 6px, #10121d 6px, #10121d 8px);
}

/* ===== BUFF BADGES ===== */
#buff-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.buff-badge {
  background: rgba(240,194,101,0.2);
  border: 2px solid var(--gold);
  color: var(--gold);
  padding: 3px 6px;
  font-size: clamp(6px, 1.2vw, 8px);
  font-family: var(--font-heading);
  pointer-events: auto;
  white-space: nowrap;
}

/* ===== AUDIO ICON ===== */
.icon-btn {
  width: clamp(36px, 5vw, 44px);
  height: clamp(36px, 5vw, 44px);
  font-size: clamp(12px, 2vw, 16px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  color: var(--text-main);
  touch-action: manipulation;
  flex-shrink: 0;
}
.icon-btn:hover {
  border-color: var(--gold);
}

/* ===== OVERLAY SCREENS ===== */
.overlay-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(26,28,46,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  touch-action: manipulation;
  pointer-events: auto;
}

.center-content {
  text-align: center;
}

/* ===== MODALS ===== */
.pixel-modal {
  background: var(--panel-bg);
  max-width: min(480px, calc(100vw - 32px));
  width: 100%;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: clamp(16px, 4vw, 28px) clamp(16px, 4vw, 28px);
  box-shadow:
    -3px 0 0 0 var(--panel-border),
    3px 0 0 0 var(--panel-border),
    0 -3px 0 0 var(--panel-border),
    0 3px 0 0 var(--panel-border),
    -3px -3px 0 0 var(--panel-border),
    3px -3px 0 0 var(--panel-border),
    -3px 3px 0 0 var(--panel-border),
    3px 3px 0 0 var(--panel-border),
    inset 2px 2px 0 0 var(--panel-highlight),
    inset -2px -2px 0 0 var(--panel-shadow),
    6px 6px 0 rgba(0,0,0,0.3);
}

.badge {
  font-family: var(--font-heading);
  font-size: clamp(6px, 1.4vw, 8px);
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 6px;
  text-align: center;
}

.pixel-title {
  font-family: var(--font-heading);
  font-size: clamp(16px, 5vw, 28px);
  color: var(--gold);
  text-shadow: 2px 2px 0 var(--gold-dark);
  margin-bottom: 10px;
  text-align: center;
  word-break: break-word;
}

.title-over {
  font-family: var(--font-heading);
  font-size: clamp(14px, 4vw, 22px);
  color: var(--red);
  text-shadow: 2px 2px 0 #660000;
  margin-bottom: 12px;
}

.alert-tag {
  color: var(--red);
  font-family: var(--font-heading);
  font-size: clamp(6px, 1.4vw, 8px);
  margin-bottom: 6px;
}

.description {
  font-family: var(--font-body);
  font-size: clamp(11px, 2vw, 14px);
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

/* ===== CONTROLS GUIDE ===== */
.controls-guide {
  background: #1a1c2e;
  border: 2px solid var(--panel-border);
  padding: clamp(8px, 2vw, 14px);
  margin: 10px 0;
  text-align: center;
  font-size: clamp(10px, 1.8vw, 14px);
}

.control-row {
  margin-bottom: 6px;
  line-height: 1.8;
}
.control-row:last-child {
  margin-bottom: 0;
}

.key {
  display: inline-block;
  background: #3a3f5c;
  border: 2px solid #5a6988;
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(6px, 1.2vw, 8px);
  padding: 3px 6px;
  margin: 0 2px;
  box-shadow: 0 2px 0 #10121d;
  transform: translateY(-1px);
}

/* ===== BUTTONS ===== */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
  align-items: center;
}

.pixel-btn {
  touch-action: manipulation;
  background: var(--gold);
  color: var(--panel-border);
  font-family: var(--font-heading);
  font-size: clamp(9px, 2vw, 13px);
  padding: clamp(8px, 2vh, 14px) clamp(12px, 3vw, 20px);
  border: none;
  cursor: pointer;
  width: 100%;
  max-width: min(280px, 80vw);
  box-shadow:
    0 -2px 0 0 var(--gold-light),
    -2px 0 0 0 var(--gold-light),
    0 2px 0 0 var(--gold-dark),
    2px 0 0 0 var(--gold-dark),
    0 0 0 2px var(--panel-border);
  transition: transform 0.1s;
  white-space: nowrap;
}

.pixel-btn:hover {
  background: #ffd280;
  transform: translateY(-2px);
}

.pixel-btn:active {
  transform: translateY(2px);
  box-shadow:
    0 -2px 0 0 var(--gold-dark),
    -2px 0 0 0 var(--gold-dark),
    0 2px 0 0 var(--gold-light),
    2px 0 0 0 var(--gold-light),
    0 0 0 2px var(--panel-border);
}

.pixel-btn.secondary {
  background: var(--panel-highlight);
  color: var(--text-main);
  box-shadow:
    0 -2px 0 0 #7a8ba8,
    -2px 0 0 0 #7a8ba8,
    0 2px 0 0 #3a4560,
    2px 0 0 0 #3a4560,
    0 0 0 2px var(--panel-border);
}

.pixel-btn.secondary:hover {
  background: #7a8ba8;
}

.pixel-btn.secondary:active {
  box-shadow:
    0 -2px 0 0 #3a4560,
    -2px 0 0 0 #3a4560,
    0 2px 0 0 #7a8ba8,
    2px 0 0 0 #7a8ba8,
    0 0 0 2px var(--panel-border);
}

/* ===== GAME OVER STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.stat-box {
  background: #1a1c2e;
  border: 2px solid var(--panel-border);
  padding: clamp(6px, 1.5vw, 12px);
  text-align: center;
}

.stat-lbl {
  font-family: var(--font-heading);
  font-size: clamp(5px, 1.2vw, 7px);
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-val {
  font-family: var(--font-heading);
  font-size: clamp(10px, 2.5vw, 16px);
  color: var(--gold);
}

/* ===== ANIMATIONS ===== */
.pixel-blink {
  animation: retro-blink 1s steps(2, start) infinite;
}

@keyframes retro-blink {
  to { visibility: hidden; }
}

.touch-controls-hint {
  display: none;
}

/* ===== TOUCH CONTROLS ===== */
#touch-controls {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 max(16px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  pointer-events: none;
}

#joystick-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

#joystick-zone {
  width: 118px;
  height: 118px;
  background: rgba(26, 28, 46, 0.45);
  border: 3px solid rgba(16, 18, 29, 0.9);
  border-radius: 50% !important;
  position: relative;
  pointer-events: auto;
  flex-shrink: 0;
  touch-action: none;
}

#joystick-deadzone {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28%;
  height: 28%;
  transform: translate(-50%, -50%);
  border: 2px dashed rgba(240, 194, 101, 0.35);
  border-radius: 50% !important;
  pointer-events: none;
}

#joystick-stick {
  width: 44px;
  height: 44px;
  background: var(--gold);
  border: 3px solid var(--panel-border);
  border-radius: 50% !important;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 3px 0 var(--gold-dark);
}

.touch-hint {
  font-family: var(--font-heading);
  font-size: 7px;
  color: rgba(240, 232, 216, 0.7);
  letter-spacing: 1px;
  text-shadow: 0 1px 2px #000;
}

#touch-actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 12px;
  align-items: center;
  pointer-events: auto;
  flex-shrink: 0;
  padding-bottom: 8px;
}

.touch-btn {
  width: 72px;
  height: 72px;
  background: var(--panel-bg);
  border: 3px solid var(--panel-border);
  border-radius: 50% !important;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 10px;
  box-shadow: 0 4px 0 var(--panel-shadow);
  flex-shrink: 0;
  touch-action: manipulation;
  line-height: 1.2;
}
.touch-btn-boost {
  background: var(--gold);
  color: var(--panel-border);
  width: 80px;
  height: 80px;
  font-size: 11px;
}
.touch-btn.pressed,
.touch-btn:active {
  transform: translateY(4px);
  box-shadow: none;
}

/* ===== TOUCH UI HUD: no overlap with joystick / buttons ===== */
body.touch-ui .desktop-controls-hint {
  display: none;
}
body.touch-ui .touch-controls-hint {
  display: block;
}

body.touch-ui .hud-top-left {
  top: max(8px, env(safe-area-inset-top));
  left: max(8px, env(safe-area-inset-left));
  max-width: 34vw;
}

body.touch-ui .hud-top-right {
  top: max(8px, env(safe-area-inset-top));
  right: max(56px, calc(8px + env(safe-area-inset-right) + 44px));
  max-width: 32vw;
}

body.touch-ui .hud-top-center {
  top: max(8px, env(safe-area-inset-top));
  max-width: 38vw;
}

body.touch-ui .hud-bottom-right {
  top: max(8px, env(safe-area-inset-top));
  right: max(8px, env(safe-area-inset-right));
  bottom: auto;
  flex-direction: column;
  gap: 6px;
}

body.touch-ui .hud-bottom-left {
  left: max(8px, env(safe-area-inset-left));
  bottom: calc(148px + env(safe-area-inset-bottom));
  max-width: 42vw;
}

body.touch-ui .meter-panel {
  min-width: 110px;
  width: 36vw;
  max-width: 160px;
}

body.touch-ui .icon-btn {
  width: 40px;
  height: 40px;
}

body.touch-ui .pixel-panel {
  padding: 6px 8px;
}

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

body.touch-ui .pixel-btn {
  min-height: 48px;
}

/* ===== RESPONSIVE: SMALL SCREENS ===== */
@media (max-width: 600px) {
  .hud-top-left,
  .hud-top-right {
    max-width: 36vw;
  }
  .hud-top-left, .hud-top-right {
    top: 4px;
  }
  .hud-top-left {
    left: 4px;
  }
  .hud-top-right {
    right: 4px;
  }
  .pixel-panel {
    padding: 5px 7px;
  }
  .meter-panel {
    min-width: 80px;
    width: 28vw;
  }
  .hud-value {
    font-size: clamp(10px, 4vw, 16px);
  }
  .pixel-modal {
    padding: 12px 14px;
  }
  .pixel-title {
    font-size: clamp(12px, 5vw, 20px);
  }
  .controls-guide {
    padding: 6px;
  }
  .control-row {
    margin-bottom: 4px;
    font-size: 10px;
  }
  .btn-group {
    gap: 8px;
    margin-top: 10px;
  }
  .pixel-btn {
    padding: 8px 12px;
  }

  body.touch-ui .hud-top-left {
    max-width: 32vw;
  }
  body.touch-ui .hud-top-right {
    right: 52px;
    max-width: 30vw;
  }
  body.touch-ui .hud-top-center {
    max-width: 34vw;
  }
  body.touch-ui #joystick-zone {
    width: 108px;
    height: 108px;
  }
  body.touch-ui .touch-btn {
    width: 64px;
    height: 64px;
    font-size: 9px;
  }
  body.touch-ui .touch-btn-boost {
    width: 72px;
    height: 72px;
  }
  body.touch-ui .hud-bottom-left {
    bottom: calc(136px + env(safe-area-inset-bottom));
  }
}

/* ===== RESPONSIVE: VERY SHORT VIEWPORTS ===== */
@media (max-height: 500px) {
  .pixel-modal {
    padding: 10px 14px;
  }
  .pixel-title {
    font-size: clamp(12px, 4vw, 18px);
    margin-bottom: 6px;
  }
  .description {
    font-size: 10px;
    line-height: 1.3;
  }
  .controls-guide {
    margin: 6px 0;
    padding: 6px;
  }
  .btn-group {
    gap: 6px;
    margin-top: 8px;
  }
  .pixel-btn {
    padding: 6px 10px;
    font-size: 9px;
  }
  .stats-grid {
    gap: 4px;
  }
  .stat-box {
    padding: 6px;
  }

  body.touch-ui .hud-top-center {
    display: none;
  }
  body.touch-ui .touch-hint {
    display: none;
  }
  body.touch-ui #joystick-zone {
    width: 84px;
    height: 84px;
  }
  body.touch-ui #joystick-stick {
    width: 34px;
    height: 34px;
  }
  body.touch-ui .touch-btn {
    width: 52px;
    height: 52px;
    font-size: 8px;
  }
  body.touch-ui .touch-btn-boost {
    width: 58px;
    height: 58px;
  }
  body.touch-ui .hud-bottom-left {
    bottom: calc(96px + env(safe-area-inset-bottom));
    max-width: 28vw;
  }
  body.touch-ui #touch-actions {
    flex-direction: row;
    padding-bottom: 0;
    gap: 8px;
  }
}

/* ===== RESPONSIVE: LARGE SCREENS ===== */
@media (min-width: 1400px) {
  .pixel-panel {
    padding: 10px 14px;
  }
  .hud-top-left, .hud-top-right {
    top: 16px;
  }
  .hud-top-left, .hud-bottom-left {
    left: 16px;
  }
  .hud-top-right, .hud-bottom-right {
    right: 16px;
  }
  .hud-bottom-left, .hud-bottom-right {
    bottom: 16px;
  }
}