/* =============================================
   iDragon Adventures — Premium Stylesheet
   ============================================= */

/* ── Tokens ── */
:root {
  --clr-bg: #0a0015;
  --clr-bg2: #0d001f;
  --clr-neon: #c060ff;
  --clr-neon2: #ff6030;
  --clr-gold: #ffd700;
  --clr-accent: #00e5ff;
  --clr-danger: #ff3366;
  --clr-success: #00ff88;
  --clr-glass: rgba(255,255,255,0.06);
  --clr-glass-border: rgba(255,255,255,0.12);
  --font-head: 'Exo 2', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --shadow-neon: 0 0 12px var(--clr-neon), 0 0 40px rgba(192,96,255,0.4);
  --shadow-gold: 0 0 14px var(--clr-gold), 0 0 36px rgba(255,215,0,0.35);
  --shadow-accent: 0 0 12px var(--clr-accent), 0 0 30px rgba(0,229,255,0.3);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--clr-bg);
  font-family: var(--font-body);
  color: #fff;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ── Screens ── */
.screen {
  position: fixed; inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.screen.active { display: flex; }

/* ─────────────────────────────────────────────
   MENU SCREEN
───────────────────────────────────────────── */
#menuScreen {
  background: radial-gradient(ellipse at 50% 30%, #1a003a 0%, #0a0015 60%, #050009 100%);
  flex-direction: column;
  overflow: hidden;
}

/* Floating particle layer */
.menu-bg-particles {
  position: absolute; inset: 0; pointer-events: none;
}
.menu-bg-particles span {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192,96,255,0.6) 0%, transparent 70%);
  animation: floatParticle var(--dur, 8s) ease-in-out infinite var(--del, 0s);
  opacity: 0;
}

@keyframes floatParticle {
  0%   { transform: translateY(0) scale(1); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 0.6; }
  100% { transform: translateY(-100vh) scale(0.4); opacity: 0; }
}

.menu-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; gap: 24px;
}

/* Title */
.logo-wrap { position: relative; text-align: center; }
.game-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #ff9060 0%, #c060ff 40%, #00e5ff 80%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(192,96,255,0.8));
  animation: titleBreath 3s ease-in-out infinite;
}
.fire-text { -webkit-text-fill-color: #ff6030; filter: drop-shadow(0 0 14px #ff6030); }
.title-sub {
  display: block;
  font-size: clamp(0.9rem, 2.5vw, 1.4rem);
  font-weight: 400;
  letter-spacing: 8px;
  -webkit-text-fill-color: rgba(255,255,255,0.55);
  filter: none;
  margin-top: -6px;
}
.title-glow {
  position: absolute; bottom: -12px; left: 50%;
  transform: translateX(-50%);
  width: 70%; height: 3px;
  background: linear-gradient(90deg, transparent, var(--clr-neon), transparent);
  border-radius: 99px;
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes titleBreath {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.02); }
}
@keyframes glowPulse {
  0%,100% { opacity: 0.5; transform: translateX(-50%) scaleX(0.6); }
  50%      { opacity: 1;   transform: translateX(-50%) scaleX(1); }
}

/* Menu stats */
.menu-stats {
  display: flex; gap: 20px;
}
.stat-chip {
  display: flex; flex-direction: column; align-items: center;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(12px);
  padding: 12px 28px; border-radius: 14px;
}
.stat-label {
  font-size: 0.65rem; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(255,255,255,0.45);
}
.stat-val {
  font-family: var(--font-head);
  font-size: 1.8rem; font-weight: 700;
  color: var(--clr-gold);
  text-shadow: var(--shadow-gold);
}

/* Buttons */
.btn-primary {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: #fff; cursor: pointer; border: none;
  padding: 16px 48px; border-radius: 50px;
  background: linear-gradient(135deg, #c060ff, #7030c0);
  box-shadow: 0 6px 30px rgba(160, 60, 255, 0.5);
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative; overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  border-radius: inherit;
}
.btn-primary:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 12px 40px rgba(160,60,255,0.7); }
.btn-primary:active { transform: scale(0.97); }

.btn-secondary {
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,0.75); cursor: pointer;
  padding: 12px 36px; border-radius: 50px;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(12px);
  transition: transform 0.15s, background 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-icon { margin-right: 6px; }

.pulse-btn { animation: pulseCta 2s ease-in-out infinite; }
@keyframes pulseCta {
  0%,100% { box-shadow: 0 6px 30px rgba(160,60,255,0.5); }
  50%      { box-shadow: 0 6px 50px rgba(160,60,255,0.9), 0 0 0 6px rgba(192,96,255,0.15); }
}

.hint-text {
  font-size: 0.8rem; letter-spacing: 2px;
  color: rgba(255,255,255,0.35);
}
.control-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip {
  padding: 6px 16px; border-radius: 99px; font-size: 0.78rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.55);
}

/* ─────────────────────────────────────────────
   COUNTDOWN SCREEN
───────────────────────────────────────────── */
#countdownScreen {
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  z-index: 20;
}
.countdown-number {
  font-family: var(--font-head);
  font-size: clamp(8rem, 20vw, 14rem);
  font-weight: 900;
  color: var(--clr-neon);
  text-shadow: var(--shadow-neon);
  animation: countPop 0.5s ease-out;
}
@keyframes countPop {
  from { transform: scale(2); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ─────────────────────────────────────────────
   GAME SCREEN
───────────────────────────────────────────── */
#gameScreen { display: none; z-index: 5; }
#gameScreen.active { display: block; }

#gameCanvas {
  display: block;
  width: 100vw; height: 100vh;
}

/* HUD */
#hud {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: flex-start;
  justify-content: space-between;
  padding: 14px 20px;
  z-index: 15;
  pointer-events: none;
}
.hud-left, .hud-right {
  display: flex; gap: 10px; align-items: flex-start;
  pointer-events: all;
}
.hud-center { flex: 1; display: flex; justify-content: center; }

.hud-panel {
  display: flex; flex-direction: column; align-items: center;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(16px);
  padding: 8px 18px; border-radius: 12px;
  min-width: 70px;
}
.hud-label {
  font-size: 0.55rem; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
  font-family: var(--font-head);
}
.hud-val {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  color: #fff; line-height: 1.1;
}
#scoreVal { color: var(--clr-accent); text-shadow: var(--shadow-accent); }
#highScoreVal { color: var(--clr-gold); text-shadow: var(--shadow-gold); }
#levelVal { color: var(--clr-neon); text-shadow: var(--shadow-neon); }

/* Lives */
#livesDisplay { display: flex; gap: 4px; margin-top: 2px; font-size: 1.1rem; }
.life-icon { transition: transform 0.2s; }
.life-icon.lost { opacity: 0.2; transform: scale(0.7); }

/* Icon Buttons */
.icon-btn {
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  backdrop-filter: blur(16px);
  border-radius: 50%; width: 42px; height: 42px;
  font-size: 1.1rem; cursor: pointer; color: #fff;
  transition: transform 0.15s, background 0.2s;
}
.icon-btn:hover { background: rgba(255,255,255,0.12); transform: scale(1.1); }

/* Combo Display */
.combo-display {
  background: linear-gradient(135deg, rgba(255,215,0,0.2), rgba(255,100,0,0.2));
  border: 1px solid rgba(255,215,0,0.4);
  backdrop-filter: blur(12px);
  padding: 8px 24px; border-radius: 50px;
  font-family: var(--font-head); font-weight: 800;
  font-size: 1.1rem; letter-spacing: 2px;
  color: var(--clr-gold);
  text-shadow: 0 0 14px rgba(255,215,0,0.7);
  animation: comboShake 0.3s ease-out;
}
.combo-display.hidden { display: none; }
@keyframes comboShake {
  0%   { transform: scale(1.4); }
  60%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}

/* Damage Flash */
#flashOverlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 30;
  background: var(--clr-danger);
  opacity: 0;
  transition: opacity 0.1s;
}
#flashOverlay.flash { animation: damageFlash 0.5s ease-out forwards; }
@keyframes damageFlash {
  0%   { opacity: 0.55; }
  100% { opacity: 0; }
}

/* Mobile Controls */
#mobileControls {
  position: fixed; bottom: 24px; left: 0; right: 0;
  display: none;
  justify-content: space-around;
  padding: 0 40px;
  z-index: 15;
}
.mob-btn {
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  letter-spacing: 2px;
  color: #fff; cursor: pointer; border: none;
  padding: 18px 40px; border-radius: 50px;
  background: rgba(192,96,255,0.25);
  border: 2px solid rgba(192,96,255,0.5);
  backdrop-filter: blur(12px);
  active-transform: scale(0.95);
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.mob-btn:active { background: rgba(192,96,255,0.5); }

@media (max-width: 768px) {
  #mobileControls { display: flex; }
  .hint-text { display: none; }
  .control-chips { display: none; }
  #hud { padding: 10px 12px; }
  .hud-panel { padding: 6px 12px; min-width: 56px; }
  .hud-val { font-size: 1.1rem; }
}

/* ─────────────────────────────────────────────
   PAUSE SCREEN
───────────────────────────────────────────── */
#pauseScreen {
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(10px);
  z-index: 25;
}

/* ─────────────────────────────────────────────
   GAME OVER SCREEN
───────────────────────────────────────────── */
#gameOverScreen {
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(14px);
  z-index: 25;
}

/* Overlay Panels */
.overlay-panel {
  display: flex; flex-direction: column;
  align-items: center; gap: 20px;
  background: rgba(20,0,45,0.85);
  border: 1px solid rgba(192,96,255,0.3);
  border-radius: 28px;
  padding: 44px 60px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.8), 0 0 60px rgba(192,96,255,0.15);
  max-width: 480px; width: 90%;
}
.overlay-title {
  font-family: var(--font-head); font-size: 2.4rem; font-weight: 900;
  letter-spacing: 4px;
  background: linear-gradient(135deg, #c060ff, #00e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.go-title {
  font-size: 2.6rem;
  background: linear-gradient(135deg, var(--clr-danger), #ff9060);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}
.go-panel { gap: 16px; }

/* GO Stats Grid */
.go-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; width: 100%;
}
.go-stat {
  display: flex; flex-direction: column; align-items: center;
  background: var(--clr-glass);
  border: 1px solid var(--clr-glass-border);
  border-radius: 14px; padding: 14px 10px;
}
.go-stat.highlight {
  background: rgba(255,215,0,0.1);
  border-color: rgba(255,215,0,0.35);
}
.go-label {
  font-size: 0.6rem; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
}
.go-val {
  font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: #fff;
}
.go-stat.highlight .go-val { color: var(--clr-gold); text-shadow: var(--shadow-gold); }

/* New High Score Badge */
.new-hs-badge {
  font-family: var(--font-head); font-weight: 800;
  font-size: 1.1rem; letter-spacing: 3px;
  padding: 10px 32px; border-radius: 50px;
  background: linear-gradient(135deg, var(--clr-gold), #ff9060);
  color: #1a0010;
  box-shadow: 0 4px 20px rgba(255,215,0,0.5);
  animation: badgePop 0.5s cubic-bezier(0.175,0.885,0.32,1.275) both;
}
.new-hs-badge.hidden { display: none; }
@keyframes badgePop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { display: none; }