* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #071018;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #eaf6ff;
}

.hidden {
  display: none !important;
}

#back-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 30;
  background: rgba(6, 14, 22, 0.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  color: #eaf6ff;
  text-decoration: none;
}

#back-link:hover {
  background: rgba(6, 14, 22, 0.85);
}

#game-canvas {
  display: block;
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: #071018;
  touch-action: none;
}

#menu, #leaderboard-overlay, #gameover-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(30, 40, 50, 0.6), rgba(4, 8, 16, 0.92));
}

.panel {
  background: rgba(8, 18, 28, 0.75);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 2.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  text-align: center;
  max-width: 440px;
  width: min(90vw, 440px);
  max-height: 90vh;
  overflow-y: auto;
}

.panel h1 {
  margin: 0 0 0.25rem;
  background: linear-gradient(90deg, #ff8a3d, #3bb0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.panel h2 {
  margin: 0 0 1rem;
}

.tagline {
  margin: 0 0 1.25rem;
  color: #a7bdd1;
  font-size: 0.9rem;
}

.controls-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  text-align: left;
  font-size: 0.8rem;
  color: #c3d6e5;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

button.primary {
  width: 100%;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #ff8a3d, #3bb0ff);
  color: #04121c;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
}

button.primary:hover {
  filter: brightness(1.08);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.05rem;
  text-align: left;
}

#leaderboard-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#leaderboard-list li {
  display: flex;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-size: 0.9rem;
}

#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
}

#hud-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #eaf6ff;
  width: 100%;
}

#score-label {
  margin-right: auto;
  font-weight: 700;
  font-size: 1.1rem;
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
}

#best-label {
  color: #a7bdd1;
  font-size: 0.8rem;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: inherit;
  font-size: 1.1rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

#health-bar {
  display: flex;
  gap: 0.2rem;
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
}

#health-bar .heart {
  font-size: 1.1rem;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.6));
}

#health-bar .heart.empty {
  opacity: 0.25;
  filter: grayscale(1);
}

#missile-status {
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #ffd93d;
}

#missile-status.locked {
  color: #ff5a5a;
}

#missile-status.guiding {
  color: #34e89e;
}

#minimap {
  border-radius: 50%;
  background: rgba(6, 14, 22, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
}

#speed-status {
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #a7bdd1;
}

#speed-status.stalling {
  color: #ff5a5a;
  animation: stall-pulse 0.6s ease-in-out infinite;
}

#lives-status {
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #ff8fa3;
}

#war-status {
  background: rgba(6, 14, 22, 0.55);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #eaf6ff;
}

#attack-btn {
  border: none;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #ff8a3d, #ff5a5a);
  color: #1a0800;
}

#attack-btn:hover {
  filter: brightness(1.08);
}

@keyframes stall-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#crosshair {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  z-index: 9;
  pointer-events: none;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.6);
}

#crosshair.missile-cam {
  border-color: rgba(255, 90, 90, 0.9);
}

/* Sniper scope — Spider-Man's aim (right-click), a circular window with a hard black vignette
   outside it (the huge box-shadow spread trick) plus a soft inner shadow at the rim and thin
   crosshair lines across the circle, rather than onfoot's simple zoom + dot crosshair. */
#scope-overlay {
  position: fixed;
  inset: 0;
  z-index: 11;
  pointer-events: none;
  display: none;
}

#scope-overlay.show {
  display: block;
}

#scope-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48vh;
  height: 48vh;
  max-width: 92vw;
  max-height: 92vw;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.97), inset 0 0 40px 14px rgba(0, 0, 0, 0.65);
  border: 2px solid rgba(0, 0, 0, 0.55);
}

#scope-circle::before,
#scope-circle::after {
  content: '';
  position: absolute;
  background: rgba(10, 10, 10, 0.8);
}

#scope-circle::before {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}

#scope-circle::after {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}


#kill-toast {
  position: fixed;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 15;
  color: #34e89e;
  font-weight: 800;
  font-size: 1.6rem;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.7);
  pointer-events: none;
  animation: pickup-float 0.9s ease-out forwards;
}

@keyframes pickup-float {
  0% { opacity: 0; transform: translate(-50%, -30%) scale(0.6); }
  25% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -90%) scale(1); }
}

/* Touch controls (mobile) */
#touch-controls {
  position: fixed;
  inset: 0;
  z-index: 12;
  pointer-events: none;
}

#touch-controls.hidden {
  display: none;
}

#touch-fire, #touch-gun, #touch-bail, #touch-aim, #touch-nuke, #touch-web, #touch-jump, #touch-grenade, #touch-call-plane, #touch-enter, #touch-attack {
  position: absolute;
  border-radius: 50%;
  color: #eaf6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  padding: 0;
  pointer-events: auto;
}

#touch-fire {
  right: 18px;
  bottom: 22px;
  width: 76px;
  height: 76px;
  background: rgba(255, 90, 90, 0.3);
  border: 2px solid rgba(255, 90, 90, 0.6);
  font-size: 1.6rem;
}

#touch-fire:active {
  background: rgba(255, 90, 90, 0.5);
}

#touch-gun {
  right: 108px;
  bottom: 34px;
  width: 60px;
  height: 60px;
  background: rgba(255, 224, 102, 0.25);
  border: 2px solid rgba(255, 224, 102, 0.55);
  font-size: 1.3rem;
}

#touch-gun:active {
  background: rgba(255, 224, 102, 0.45);
}

#touch-bail {
  left: 18px;
  top: 80px;
  width: 60px;
  height: 60px;
  background: rgba(120, 200, 255, 0.25);
  border: 2px solid rgba(120, 200, 255, 0.55);
  font-size: 1.3rem;
}

#touch-bail:active {
  background: rgba(120, 200, 255, 0.45);
}

#touch-aim {
  left: 18px;
  top: 152px;
  width: 60px;
  height: 60px;
  background: rgba(52, 232, 158, 0.25);
  border: 2px solid rgba(52, 232, 158, 0.55);
  font-size: 1.3rem;
}

#touch-aim:active {
  background: rgba(52, 232, 158, 0.45);
}

#touch-nuke {
  left: 18px;
  top: 224px;
  width: 60px;
  height: 60px;
  background: rgba(255, 224, 102, 0.25);
  border: 2px solid rgba(255, 224, 102, 0.6);
  font-size: 1.3rem;
}

#touch-nuke:active {
  background: rgba(255, 224, 102, 0.5);
}

#touch-grenade {
  left: 18px;
  top: 296px;
  width: 60px;
  height: 60px;
  background: rgba(90, 130, 80, 0.3);
  border: 2px solid rgba(90, 130, 80, 0.6);
  font-size: 1.3rem;
}

#touch-grenade:active {
  background: rgba(90, 130, 80, 0.5);
}

#touch-call-plane {
  left: 18px;
  top: 368px;
  width: 60px;
  height: 60px;
  background: rgba(59, 157, 255, 0.3);
  border: 2px solid rgba(59, 157, 255, 0.6);
  font-size: 1.3rem;
}

#touch-call-plane:active {
  background: rgba(59, 157, 255, 0.5);
}

#touch-enter {
  left: 18px;
  top: 440px;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.5);
  font-size: 1.3rem;
}

#touch-enter:active {
  background: rgba(255, 255, 255, 0.4);
}

#touch-attack {
  left: 18px;
  top: 512px;
  width: 60px;
  height: 60px;
  background: rgba(255, 90, 90, 0.3);
  border: 2px solid rgba(255, 90, 90, 0.6);
  font-size: 1.3rem;
}

#touch-attack:active {
  background: rgba(255, 90, 90, 0.5);
}

#touch-web {
  right: 18px;
  bottom: 108px;
  width: 60px;
  height: 60px;
  background: rgba(245, 247, 255, 0.2);
  border: 2px solid rgba(245, 247, 255, 0.5);
  font-size: 1.3rem;
}

#touch-web:active {
  background: rgba(245, 247, 255, 0.4);
}

#touch-jump {
  right: 108px;
  bottom: 108px;
  width: 60px;
  height: 60px;
  background: rgba(120, 200, 255, 0.25);
  border: 2px solid rgba(120, 200, 255, 0.55);
  font-size: 1.3rem;
}

#touch-jump:active {
  background: rgba(120, 200, 255, 0.45);
}

#missile-joystick {
  position: absolute;
  left: 22px;
  bottom: 22px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(52, 232, 158, 0.4);
  pointer-events: auto;
  touch-action: none;
}

#missile-joystick-knob {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  background: rgba(52, 232, 158, 0.35);
  border: 2px solid rgba(52, 232, 158, 0.6);
}