@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Space+Mono:wght@400;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg:         #0a0a0f;
  --neon-cyan:  #00f5ff;
  --neon-pink:  #ff0080;
  --neon-yellow:#ffee00;
  --neon-green: #39ff14;
  --neon-orange:#ff6a00;
  --panel:      rgba(255,255,255,0.04);
  --border:     rgba(0,245,255,0.2);
  --text:       #e0e0ff;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg);
  font-family: 'Orbitron', monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  overflow: hidden;
  touch-action: none;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(0,245,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 10%, rgba(255,0,128,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 70%, rgba(255,238,0,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 10% 90%, rgba(57,255,20,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 60%, rgba(0,245,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 50%, rgba(255,0,128,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,238,0,0.4) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* ===== APP CONTAINER ===== */
#app {
  width: 100%;
  max-width: 420px;
  height: 100dvh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#app::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,245,255,0.015) 3px,
    rgba(0,245,255,0.015) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ===== SCREENS ===== */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.screen.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.95);
}

/* ===== START SCREEN ===== */
#start-screen { gap: 32px; padding: 40px 24px; }

.game-logo { text-align: center; position: relative; }
.creator-name {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(224,224,255,0.4);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.logo-sub {
  font-family: 'Space Mono', monospace;
  font-size: 11px; letter-spacing: 6px;
  color: var(--neon-pink); text-transform: uppercase;
  margin-bottom: 8px; opacity: 0.8;
}
.logo-main {
  font-size: clamp(48px, 14vw, 64px);
  font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--neon-cyan) 0%, var(--neon-pink) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0,245,255,0.5));
  letter-spacing: 3px;
}
.logo-tagline {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 4px;
  color: rgba(224,224,255,0.4); margin-top: 6px; text-transform: uppercase;
}

.preview-ball {
  width: 24px; height: 24px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff 0%, var(--neon-cyan) 40%, #003a40 100%);
  box-shadow: 0 0 20px var(--neon-cyan), 0 0 40px rgba(0,245,255,0.3);
  animation: floatBall 2s ease-in-out infinite;
  margin: 0 auto;
}
@keyframes floatBall {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-14px); }
}

.laps-preview { display: flex; gap: 12px; align-items: center; }
.lap-dot {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--neon-cyan); opacity: 0.4;
  animation: pulse-dot 1.5s ease-in-out infinite;
}
.lap-dot:nth-child(2) { animation-delay: 0.3s; }
.lap-dot:nth-child(3) { animation-delay: 0.6s; }
@keyframes pulse-dot {
  0%,100% { opacity: 0.4; transform: scale(1); }
  50%     { opacity: 1; transform: scale(1.3); border-color: var(--neon-pink); }
}
.laps-label {
  font-family: 'Space Mono', monospace;
  font-size: 10px; letter-spacing: 3px; color: rgba(224,224,255,0.4);
}

.start-btn {
  position: relative; padding: 18px 56px;
  background: transparent; border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan); font-family: 'Orbitron', monospace;
  font-size: 20px; font-weight: 700; letter-spacing: 6px;
  cursor: pointer; text-transform: uppercase;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  transition: all 0.2s; overflow: hidden;
}
.start-btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--neon-cyan); opacity: 0; transition: opacity 0.2s;
}
.start-btn:active::before { opacity: 0.15; }
.start-btn::after {
  content: ''; position: absolute;
  top: -50%; left: -60%; width: 40%; height: 200%;
  background: linear-gradient(to right, transparent, rgba(0,245,255,0.3), transparent);
  animation: shimmer 2.5s infinite;
}
@keyframes shimmer { 0% { left: -60%; } 100% { left: 120%; } }
.start-btn span { position: relative; z-index: 1; }

.instructions {
  text-align: center; padding: 16px 20px;
  border: 1px solid var(--border); background: var(--panel);
  backdrop-filter: blur(8px); width: 100%; max-width: 300px;
}
.instructions p {
  font-family: 'Space Mono', monospace; font-size: 10px;
  color: rgba(224,224,255,0.5); line-height: 1.8; letter-spacing: 1px;
}
.instructions strong { color: var(--neon-yellow); font-weight: 700; }

/* ===== HUD ===== */
#hud {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 14px 16px 10px;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 5; pointer-events: none;
}

.hud-block { display: flex; flex-direction: column; gap: 2px; }
.hud-label {
  font-family: 'Space Mono', monospace; font-size: 9px;
  letter-spacing: 3px; color: rgba(224,224,255,0.35); text-transform: uppercase;
}
.hud-value {
  font-size: 22px; font-weight: 900; color: var(--neon-cyan);
  line-height: 1; text-shadow: 0 0 12px var(--neon-cyan); transition: color 0.2s;
}
.hud-value.flash { animation: scoreFlash 0.3s ease; }
@keyframes scoreFlash {
  0%   { color: var(--neon-yellow); text-shadow: 0 0 20px var(--neon-yellow); transform: scale(1.2); }
  100% { color: var(--neon-cyan);   text-shadow: 0 0 12px var(--neon-cyan);   transform: scale(1); }
}

.lap-indicators { display: flex; gap: 6px; align-items: center; margin-top: 4px; }
.lap-ind {
  width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid rgba(0,245,255,0.3); transition: all 0.3s;
}
.lap-ind.active { border-color: var(--neon-cyan); background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }
.lap-ind.done   { border-color: var(--neon-pink);  background: var(--neon-pink);  box-shadow: 0 0 8px var(--neon-pink); opacity: 0.5; }

/* ===== PAUSE BUTTON ===== */
.pause-btn {
  pointer-events: all;
  width: 36px; height: 36px;
  background: rgba(0,245,255,0.08);
  border: 1.5px solid rgba(0,245,255,0.4);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.pause-btn:active { background: rgba(0,245,255,0.2); }

.pause-icon {
  display: flex; gap: 4px; align-items: center; justify-content: center;
}
.pause-icon span {
  display: block; width: 3px; height: 14px;
  background: var(--neon-cyan);
  border-radius: 2px;
  box-shadow: 0 0 6px var(--neon-cyan);
}

/* ===== PAUSE OVERLAY ===== */
#pause-overlay {
  position: absolute; inset: 0; z-index: 9;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px;
  background: rgba(10,10,15,0.88);
  backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
#pause-overlay.show { opacity: 1; pointer-events: all; }

.pause-title {
  font-size: 13px; letter-spacing: 10px;
  color: var(--neon-cyan); font-family: 'Space Mono', monospace;
  text-transform: uppercase; text-shadow: 0 0 16px var(--neon-cyan);
}
.pause-icon-big {
  font-size: 64px; line-height: 1;
  filter: drop-shadow(0 0 20px var(--neon-cyan));
  animation: pausePulse 2s ease-in-out infinite;
}
@keyframes pausePulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%     { opacity: 0.6; transform: scale(0.92); }
}
.pause-score-text {
  font-family: 'Space Mono', monospace; font-size: 11px;
  letter-spacing: 4px; color: rgba(224,224,255,0.45);
}

.resume-btn {
  padding: 16px 52px;
  background: transparent; border: 2px solid var(--neon-green);
  color: var(--neon-green); font-family: 'Orbitron', monospace;
  font-size: 18px; font-weight: 700; letter-spacing: 5px;
  cursor: pointer;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  position: relative; overflow: hidden; transition: all 0.2s;
}
.resume-btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--neon-green); opacity: 0; transition: opacity 0.2s;
}
.resume-btn:active::before { opacity: 0.15; }
.resume-btn::after {
  content: ''; position: absolute;
  top: -50%; left: -60%; width: 40%; height: 200%;
  background: linear-gradient(to right, transparent, rgba(57,255,20,0.25), transparent);
  animation: shimmer 2s infinite;
}
.resume-btn span { position: relative; z-index: 1; }

.pause-home-btn {
  padding: 12px 36px;
  background: transparent; border: 2px solid rgba(0,245,255,0.4);
  color: rgba(0,245,255,0.6); font-family: 'Orbitron', monospace;
  font-size: 13px; font-weight: 700; letter-spacing: 4px;
  cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  transition: all 0.2s;
}
.pause-home-btn:active { color: var(--neon-cyan); border-color: var(--neon-cyan); }

/* ===== CANVAS ===== */
#game-canvas { position: absolute; inset: 0; z-index: 1; }

/* ===== LAP OVERLAY ===== */
#lap-overlay {
  position: absolute; inset: 0; z-index: 8;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  background: rgba(10,10,15,0.85); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
#lap-overlay.show { opacity: 1; pointer-events: all; }

.lap-title {
  font-size: 12px; letter-spacing: 8px; color: var(--neon-pink);
  font-family: 'Space Mono', monospace; text-transform: uppercase;
}
.lap-number {
  font-size: clamp(60px, 20vw, 80px); font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: 0 0 30px var(--neon-cyan), 0 0 60px rgba(0,245,255,0.4);
  line-height: 1;
  animation: lapPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes lapPop {
  from { transform: scale(0.3); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.lap-score-display {
  font-family: 'Space Mono', monospace; font-size: 11px;
  letter-spacing: 4px; color: rgba(224,224,255,0.5);
}
.lap-continue-btn {
  padding: 14px 40px; background: transparent;
  border: 2px solid var(--neon-pink); color: var(--neon-pink);
  font-family: 'Orbitron', monospace; font-size: 14px;
  font-weight: 700; letter-spacing: 4px; cursor: pointer;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  margin-top: 8px;
}

/* ===== GAME OVER SCREEN ===== */
#gameover-screen { gap: 24px; padding: 40px 24px; }

.go-title {
  font-family: 'Space Mono', monospace; font-size: 11px;
  letter-spacing: 8px; color: var(--neon-pink); text-transform: uppercase;
}
.go-score-big {
  font-size: clamp(64px, 20vw, 80px); font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, var(--neon-yellow), var(--neon-pink));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(255,238,0,0.4));
}
.go-label {
  font-family: 'Space Mono', monospace; font-size: 10px;
  letter-spacing: 4px; color: rgba(224,224,255,0.4); text-align: center;
}
.go-laps { display: flex; gap: 20px; justify-content: center; }
.go-lap-score { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.go-lap-score .lnum {
  font-family: 'Space Mono', monospace; font-size: 9px;
  letter-spacing: 2px; color: rgba(224,224,255,0.3);
}
.go-lap-score .lval {
  font-size: 22px; font-weight: 700;
  color: var(--neon-cyan); text-shadow: 0 0 8px var(--neon-cyan);
}

.go-actions {
  display: flex; gap: 14px; align-items: center;
  justify-content: center; flex-wrap: wrap; margin-top: 8px;
}

.restart-btn {
  padding: 18px 48px; background: transparent;
  border: 2px solid var(--neon-green); color: var(--neon-green);
  font-family: 'Orbitron', monospace; font-size: 16px;
  font-weight: 700; letter-spacing: 4px; cursor: pointer;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  position: relative; overflow: hidden;
}
.restart-btn::after {
  content: ''; position: absolute;
  top: -50%; left: -60%; width: 40%; height: 200%;
  background: linear-gradient(to right, transparent, rgba(57,255,20,0.2), transparent);
  animation: shimmer 2s infinite;
}
.restart-btn span { position: relative; z-index: 1; }

.home-btn {
  padding: 18px 40px; background: transparent;
  border: 2px solid var(--neon-cyan); color: var(--neon-cyan);
  font-family: 'Orbitron', monospace; font-size: 16px;
  font-weight: 700; letter-spacing: 4px; cursor: pointer;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
  position: relative; overflow: hidden; transition: all 0.2s;
}
.home-btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--neon-cyan); opacity: 0; transition: opacity 0.2s;
}
.home-btn:active::before { opacity: 0.15; }
.home-btn::after {
  content: ''; position: absolute;
  top: -50%; left: -60%; width: 40%; height: 200%;
  background: linear-gradient(to right, transparent, rgba(0,245,255,0.2), transparent);
  animation: shimmer 2.2s infinite;
}
.home-btn span { position: relative; z-index: 1; }

/* ===== DANGER FLASH ===== */
#danger-flash {
  position: absolute; inset: 0;
  border: 3px solid var(--neon-pink);
  pointer-events: none; z-index: 11;
  opacity: 0;
  box-shadow: inset 0 0 40px rgba(255,0,128,0.3);
}
#danger-flash.show { animation: dangerFlash 0.3s ease; }
@keyframes dangerFlash {
  0%,100% { opacity: 0; }
  50%     { opacity: 1; }
}