/* =============================================
   TAP TAP JUMP — Premium Stylesheet
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
  --c-bg1:      #1a0533;
  --c-bg2:      #2d0a6e;
  --c-accent1:  #f7c948;
  --c-accent2:  #ff6b6b;
  --c-accent3:  #6ee7f7;
  --c-purple:   #9b5de5;
  --c-pink:     #f15bb5;
  --c-green:    #00f5d4;
  --c-white:    #ffffff;
  --c-card-bg:  rgba(255,255,255,0.08);
  --radius-lg:  24px;
  --radius-md:  14px;
  --radius-sm:  8px;
  --shadow-glow: 0 0 30px rgba(155,93,229,0.55);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.45);
  --font-game: 'Fredoka One', cursive;
  --font-ui:   'Nunito', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--c-bg1);
  font-family: var(--font-ui);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
  user-select: none;
}

/* ---------- Canvas ---------- */
#game-canvas {
  display: block;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
}

/* =============================================
   OVERLAY SCREENS
   ============================================= */
.overlay {
  position: fixed; inset: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #1a0533 0%, #2d0a6e 55%, #0d2f6e 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Animated bubbles bg */
.overlay-bg-bubbles {
  position: absolute; inset: 0; overflow: hidden; z-index: 0;
}
.overlay-bg-bubbles span {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: floatBubble linear infinite;
}
.overlay-bg-bubbles span:nth-child(1)  { width:80px; height:80px;  left:10%; bottom:-80px; background:var(--c-purple); animation-duration:8s; }
.overlay-bg-bubbles span:nth-child(2)  { width:50px; height:50px;  left:25%; bottom:-50px; background:var(--c-pink);   animation-duration:12s; animation-delay:2s; }
.overlay-bg-bubbles span:nth-child(3)  { width:120px;height:120px; left:50%; bottom:-120px;background:var(--c-accent1);animation-duration:10s; animation-delay:1s; }
.overlay-bg-bubbles span:nth-child(4)  { width:60px; height:60px;  left:70%; bottom:-60px; background:var(--c-green);  animation-duration:9s;  animation-delay:3s; }
.overlay-bg-bubbles span:nth-child(5)  { width:90px; height:90px;  left:85%; bottom:-90px; background:var(--c-accent3);animation-duration:14s; animation-delay:0.5s; }
.overlay-bg-bubbles span:nth-child(6)  { width:40px; height:40px;  left:5%;  bottom:-40px; background:var(--c-accent2);animation-duration:11s; animation-delay:4s; }
.overlay-bg-bubbles span:nth-child(7)  { width:70px; height:70px;  left:40%; bottom:-70px; background:var(--c-purple); animation-duration:7s;  animation-delay:1.5s; }
.overlay-bg-bubbles span:nth-child(8)  { width:55px; height:55px;  left:60%; bottom:-55px; background:var(--c-pink);   animation-duration:13s; animation-delay:2.5s; }

@keyframes floatBubble {
  0%   { transform: translateY(0) scale(1); opacity: 0.12; }
  50%  { opacity: 0.2; }
  100% { transform: translateY(-110vh) scale(1.4); opacity: 0; }
}

/* ---------- Start Screen ---------- */
.start-content, .gameover-content, .pause-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; gap: 18px;
  padding: 24px 20px;
  width: min(420px, 92vw);
}

/* Logo */
.game-logo {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.logo-icon {
  width: clamp(70px, 18vw, 110px);
  height: clamp(70px, 18vw, 110px);
  border-radius: 22px;
  box-shadow: var(--shadow-glow), 0 0 60px rgba(247,201,72,0.3);
  object-fit: cover;
}
.game-title {
  font-family: var(--font-game);
  font-size: clamp(2.2rem, 9vw, 3.5rem);
  line-height: 1.0;
  text-align: center;
  color: var(--c-white);
  text-shadow: 0 0 30px rgba(155,93,229,0.9), 0 4px 0 rgba(0,0,0,0.4);
  letter-spacing: 2px;
}
.game-title span {
  color: var(--c-accent1);
  -webkit-text-stroke: 2px #c49500;
  display: block;
  font-size: clamp(2.8rem, 11vw, 4.4rem);
}

/* Instruction cards */
.start-instructions {
  display: flex; flex-direction: column; gap: 10px;
  width: 100%;
}
.instruction-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--c-card-bg);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 10px 18px;
  color: var(--c-white);
  font-size: 0.95rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
}
.instr-icon { font-size: 1.4rem; }

/* Best score */
.best-score-display {
  font-family: var(--font-game);
  font-size: 1.3rem;
  color: var(--c-accent1);
  letter-spacing: 1px;
  text-shadow: 0 0 12px rgba(247,201,72,0.7);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 16px 0;
  border: none; cursor: pointer;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f7c948, #ff6b6b);
  box-shadow: 0 6px 0 #b8460d, 0 10px 30px rgba(255,107,107,0.5);
  color: #fff;
  font-family: var(--font-game);
  font-size: 1.4rem;
  letter-spacing: 2px;
  transition: transform 0.1s, box-shadow 0.1s;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  border-radius: var(--radius-lg);
}
.btn-primary:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 #b8460d, 0 4px 10px rgba(255,107,107,0.3);
}
.btn-secondary {
  width: 100%;
  padding: 14px 0;
  border: 2px solid rgba(255,255,255,0.3); cursor: pointer;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  color: #fff;
  font-family: var(--font-game);
  font-size: 1.2rem;
  letter-spacing: 2px;
  transition: background 0.2s, transform 0.1s;
}
.btn-secondary:active { transform: translateY(2px); background: rgba(255,255,255,0.15); }

.version-tag {
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
}

/* ---------- Game Over Screen ---------- */
.gameover-emoji {
  font-size: 3.5rem;
  animation: shakeEmoji 0.5s ease;
}
@keyframes shakeEmoji {
  0%,100%{ transform: rotate(0); }
  25%{ transform: rotate(-15deg) scale(1.2); }
  75%{ transform: rotate(15deg) scale(1.2); }
}
.gameover-title {
  font-family: var(--font-game);
  font-size: clamp(2rem, 8vw, 3rem);
  color: var(--c-accent2);
  text-shadow: 0 0 20px rgba(255,107,107,0.8), 0 4px 0 rgba(0,0,0,0.4);
  letter-spacing: 3px;
}
.score-cards {
  display: flex; gap: 16px; width: 100%;
}
.score-card {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--c-card-bg);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  backdrop-filter: blur(8px);
}
.score-card.highlight {
  background: linear-gradient(135deg, rgba(155,93,229,0.25), rgba(247,201,72,0.2));
  border-color: var(--c-accent1);
  box-shadow: 0 0 20px rgba(247,201,72,0.3);
}
.sc-label {
  color: rgba(255,255,255,0.55);
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
}
.sc-value {
  font-family: var(--font-game);
  font-size: clamp(1.8rem, 7vw, 2.6rem);
  color: var(--c-white);
}

.new-record {
  font-family: var(--font-game);
  font-size: 1.2rem;
  color: var(--c-accent1);
  background: linear-gradient(135deg, rgba(247,201,72,0.2), rgba(255,107,107,0.2));
  border: 2px solid var(--c-accent1);
  border-radius: var(--radius-md);
  padding: 8px 20px;
  text-align: center;
  animation: pulseBadge 0.6s ease infinite alternate;
  box-shadow: 0 0 20px rgba(247,201,72,0.5);
}
@keyframes pulseBadge {
  from { transform: scale(1); }
  to   { transform: scale(1.05); }
}

.go-buttons { display: flex; flex-direction: column; gap: 12px; width: 100%; }

/* ---------- Pause Screen ---------- */
.pause-icon {
  font-size: 4rem;
  animation: breathe 2s ease-in-out infinite;
}
@keyframes breathe {
  0%,100%{ transform: scale(1); }
  50%{ transform: scale(1.1); }
}
.pause-title {
  font-family: var(--font-game);
  font-size: clamp(1.8rem, 7vw, 2.8rem);
  color: var(--c-accent3);
  text-shadow: 0 0 20px rgba(110,231,247,0.7);
  letter-spacing: 3px;
}

/* =============================================
   HUD
   ============================================= */
.hud {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(15,5,40,0.85) 0%, transparent 100%);
  pointer-events: none;
}
.hud-left, .hud-right, .hud-center { display: flex; align-items: center; gap: 8px; }
.hud-left, .hud-right { pointer-events: all; }

.hud-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.4);
  color: #fff; font-size: 1.1rem; cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.15s, transform 0.1s;
  display: flex; align-items: center; justify-content: center;
}
.hud-btn:active { transform: scale(0.9); background: rgba(255,255,255,0.15); }

.hud-score-wrap, .hud-best-wrap {
  display: flex; flex-direction: column; align-items: center;
}
.hud-score-label, .hud-best-label {
  font-size: 0.6rem; font-weight: 800; letter-spacing: 2px;
  color: rgba(255,255,255,0.5); text-transform: uppercase;
}
.hud-score {
  font-family: var(--font-game);
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  color: var(--c-accent1);
  text-shadow: 0 0 18px rgba(247,201,72,0.9);
  transition: transform 0.1s;
  min-width: 60px; text-align: center;
}
.hud-best {
  font-family: var(--font-game);
  font-size: clamp(1rem, 3.5vw, 1.3rem);
  color: var(--c-accent3);
  text-shadow: 0 0 12px rgba(110,231,247,0.6);
  min-width: 50px; text-align: center;
}

/* Power-up indicator */
.powerup-indicator {
  position: fixed; top: 58px; left: 50%; transform: translateX(-50%);
  z-index: 51;
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.5);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 6px 16px 6px 10px;
  backdrop-filter: blur(8px);
}
#powerup-icon-display { font-size: 1.3rem; }
.powerup-bar-fill {
  width: 100px; height: 6px;
  border-radius: 50px;
  background: linear-gradient(90deg, #6ee7f7, #9b5de5);
  box-shadow: 0 0 10px rgba(110,231,247,0.6);
  transition: width 0.1s linear;
}

/* Combo display */
.combo-display {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
  z-index: 52;
  font-family: var(--font-game);
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  color: var(--c-accent1);
  text-shadow: 0 0 30px rgba(247,201,72,0.8);
  pointer-events: none;
  text-align: center;
  animation: comboAnim 0.4s ease;
}
@keyframes comboAnim {
  0%   { transform: translate(-50%,-50%) scale(0.5); opacity: 0; }
  50%  { transform: translate(-50%,-55%) scale(1.2); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1); opacity: 1; }
}

/* Utility */
.hidden { display: none !important; }

/* ---------- Animations ---------- */
.bounce-anim { animation: bounceIcon 2.5s ease-in-out infinite; }
@keyframes bounceIcon {
  0%,100%{ transform: translateY(0) rotate(-3deg); }
  50%    { transform: translateY(-14px) rotate(3deg); }
}

.pulse-anim { animation: pulseBtn 2s ease-in-out infinite; }
@keyframes pulseBtn {
  0%,100%{ box-shadow: 0 6px 0 #b8460d, 0 10px 30px rgba(255,107,107,0.5); }
  50%    { box-shadow: 0 6px 0 #b8460d, 0 16px 50px rgba(255,107,107,0.8), 0 0 40px rgba(247,201,72,0.4); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 480px){
  .game-title { font-size: clamp(1.8rem,10vw,2.8rem); }
  .game-title span { font-size: clamp(2.2rem,12vw,3.2rem); }
  .logo-icon { width: 70px; height: 70px; }
  .start-content, .gameover-content, .pause-content { gap: 12px; padding: 18px 14px; }
  .instruction-card { padding: 8px 12px; font-size: 0.85rem; }
  .btn-primary { padding: 14px 0; font-size: 1.2rem; }
  .btn-secondary { padding: 12px 0; font-size: 1rem; }
  .hud { padding: 8px 10px; }
  .hud-btn { width: 36px; height: 36px; font-size: 1rem; }
  .hud-score { font-size: 1.3rem; }
  .hud-best { font-size: 0.95rem; }
  .powerup-indicator { top: 52px; }
  .powerup-bar-fill { width: 70px; }
  .score-cards { gap: 10px; }
  .sc-value { font-size: 1.6rem; }
}

@media (max-width: 380px){
  .game-title { font-size: 1.6rem; }
  .game-title span { font-size: 2rem; }
  .instruction-card { font-size: 0.78rem; padding: 7px 10px; }
  .hud-btn { width: 32px; height: 32px; }
  .hud-score { font-size: 1.1rem; }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape){
  .start-content, .gameover-content, .pause-content {
    flex-direction: row; flex-wrap: wrap;
    justify-content: center; gap: 10px; padding: 10px 16px;
  }
  .game-logo { flex-direction: row; align-items: center; gap: 10px; }
  .game-title { font-size: 1.4rem; }
  .game-title span { font-size: 1.8rem; display: inline; }
  .logo-icon { width: 50px; height: 50px; }
  .start-instructions { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .instruction-card { flex: 1 1 45%; font-size: 0.75rem; padding: 6px 8px; }
  .btn-primary, .btn-secondary { padding: 10px 0; font-size: 1rem; }
  .go-buttons { flex-direction: row; }
  .best-score-display { font-size: 1rem; }
  .version-tag { display: none; }
}