* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #000;
  overflow: hidden;
  font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
  user-select: none;
}

/* ── 게임 컨테이너 ── */
#game-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#input-video {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px; height: 1px;
}

#game-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
}

/* ── 게이지 (레벨배지 + 게이지트랙 가로 배치) ── */
#gauge-wrap {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 860px;
  z-index: 10;
}

#gauge-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 레벨 배지 (게이지 왼쪽) */
#level-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, rgba(0,0,0,0.75), rgba(30,30,60,0.85));
  border: 3px solid rgba(255,255,255,0.45);
  border-radius: 18px;
  padding: 10px 14px;
  min-width: 76px;
  flex-shrink: 0;
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  line-height: 1.2;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

#level-icon       { font-size: 2rem; }
#level-num        { font-size: 0.85rem; font-weight: bold; color: #fff; }
#level-label-text { font-size: 0.85rem; font-weight: bold; color: #ffd54f; }

/* 게이지 영역 */
#gauge-track-area { flex: 1; }

#gauge-label {
  font-size: 1.3rem;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.9);
  margin-bottom: 6px;
  letter-spacing: 2px;
  text-align: center;
}

#gauge-track {
  position: relative;
  background: rgba(0,0,0,0.55);
  border: 4px solid rgba(255,255,255,0.7);
  border-radius: 50px;
  height: 62px;
  overflow: visible;
  box-shadow: 0 4px 24px rgba(0,0,0,0.6), 0 0 0 2px rgba(255,255,255,0.1);
}

#gauge-fill {
  height: 100%;
  width: 0%;
  border-radius: 50px;
  background: linear-gradient(90deg, #a8e063, #56ab2f);
  transition: width 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: inset 0 -3px 8px rgba(0,0,0,0.2);
}

#gauge-poop {
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.8rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  transition: transform 0.2s;
}

/* ── 방귀 카운터 (우측 하단 고정, 크게 강조) ── */
#fart-counter {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(0,0,0,0.72);
  border: 3px solid rgba(255,255,255,0.35);
  border-radius: 22px;
  padding: 12px 22px;
  text-align: center;
  z-index: 10;
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

#fart-count-num {
  font-size: 3.2rem;
  font-weight: 900;
  color: #ffd54f;
  text-shadow: 0 0 18px rgba(255,213,79,0.7);
  line-height: 1;
}

#fart-count-label {
  font-size: 1rem;
  color: #e0e0e0;
  margin-top: 4px;
  letter-spacing: 1px;
}

/* ── 공통 오버레이 화면 ── */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
}

/* ── 카드 ── */
.card {
  background: linear-gradient(160deg, #1a1a2e, #16213e, #0f3460);
  border: 3px solid rgba(255,255,255,0.2);
  border-radius: 30px;
  padding: 40px 50px;
  text-align: center;
  color: #fff;
  max-width: 520px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  animation: card-in 0.4s ease;
}

@keyframes card-in {
  from { transform: scale(0.85); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.title-emoji {
  font-size: 4rem;
  margin-bottom: 10px;
  animation: bounce 1.2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.card h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
  background: linear-gradient(90deg, #f9d423, #ff4e50);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card h2 { font-size: 1.8rem; margin-bottom: 12px; }

.subtitle  { font-size: 1.2rem; color: #cce5ff; margin-bottom: 8px; line-height: 1.6; }
.subtitle2 { font-size: 1.1rem; color: #ffe0b2; margin-bottom: 24px; line-height: 1.6; }
.subtitle2 strong { color: #ffd54f; font-size: 1.4rem; }

/* ── 설정 ── */
.settings {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  text-align: left;
}

.settings label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: #e0e0e0;
  gap: 12px;
}

.settings select,
.settings input[type="range"] {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  color: #fff;
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
  outline: none;
  min-width: 100px;
}

.settings select option { background: #1a1a2e; }

/* ── 버튼 ── */
#btn-start, #btn-restart {
  background: linear-gradient(135deg, #f9d423, #ff4e50);
  border: none;
  border-radius: 50px;
  padding: 16px 50px;
  font-size: 1.6rem;
  font-weight: bold;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 25px rgba(255,78,80,0.5);
  transition: transform 0.15s, box-shadow 0.15s;
  letter-spacing: 1px;
  font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif;
}

#btn-start:hover,  #btn-restart:hover  { transform: scale(1.06); box-shadow: 0 8px 30px rgba(255,78,80,0.7); }
#btn-start:active, #btn-restart:active { transform: scale(0.97); }

/* ── 캘리브레이션 바 ── */
#calib-bar-wrap {
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  height: 18px;
  margin-top: 20px;
  overflow: hidden;
}

#calib-bar {
  height: 100%;
  width: 0%;
  border-radius: 20px;
  background: linear-gradient(90deg, #4fc3f7, #4db6ac);
  transition: width 0.1s linear;
}

/* ── 똥 발사 텍스트 ── */
#poop-text {
  font-size: 5rem;
  font-weight: bold;
  color: #fff;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8), 0 0 40px #f9d423;
  animation: poop-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  pointer-events: none;
}

@keyframes poop-pop {
  0%   { transform: scale(0.3) rotate(-10deg); opacity: 0; }
  60%  { transform: scale(1.2) rotate(5deg);   opacity: 1; }
  100% { transform: scale(1)   rotate(0deg);   opacity: 1; }
}

/* ── 레벨업 플래시 ── */
@keyframes level-flash {
  0%, 100% { opacity: 0; }
  30%, 70%  { opacity: 1; }
}

/* ── 카운트다운 ── */
#countdown-number {
  font-size: 22vw;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 80px #ff4e50, 0 0 30px #f9d423;
  line-height: 1;
}
#countdown-number.pop {
  animation: count-pop 0.75s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
@keyframes count-pop {
  from { transform: scale(2.8); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

/* ── 피버타임 타이틀 ── */
#fever-announce { display: none; }
#fever-title-text {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 40px #ff4400, 0 0 80px #ff8800;
  animation: fever-title-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  text-align: center;
}
@keyframes fever-title-pop {
  from { transform: scale(0.2) rotate(-12deg); opacity: 0; }
  to   { transform: scale(1)   rotate(0deg);   opacity: 1; }
}

/* ── 피버 게이지 애니메이션 ── */
@keyframes rainbow-shift {
  0%   { filter: hue-rotate(0deg)   brightness(1.1); }
  50%  { filter: hue-rotate(180deg) brightness(1.4); }
  100% { filter: hue-rotate(360deg) brightness(1.1); }
}

/* 단계별 색상 피버: 해당 색으로 밝게 반짝임 */
@keyframes fever-glow {
  from {
    filter: brightness(1.1) saturate(1.2);
    box-shadow: 0 0 12px 4px rgba(255,255,255,0.3),
                inset 0 0 10px rgba(255,255,255,0.2);
  }
  to {
    filter: brightness(1.85) saturate(2.0);
    box-shadow: 0 0 36px 14px rgba(255,255,255,0.75),
                inset 0 0 22px rgba(255,255,255,0.5);
  }
}

/* ── 피버 타이머 ── */
#fever-timer {
  position: fixed;
  top: 80px;
  right: 28px;
  font-size: 2.2rem;
  font-weight: 900;
  color: #ff4400;
  text-shadow: 0 0 14px #ff8800;
  background: rgba(0,0,0,0.55);
  padding: 8px 20px;
  border-radius: 20px;
  border: 3px solid #ff5500;
  z-index: 30;
  backdrop-filter: blur(4px);
}

/* ── 게임 목표 인트로 ── */
#intro-title {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 30px #ff88ff, 0 0 60px #ff44aa;
  animation: intro-in 0.6s ease both;
}

#intro-slots {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  animation: intro-in 0.6s 0.2s ease both;
  opacity: 0;
  animation-fill-mode: both;
}

#intro-slots .arr {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.5);
}

#intro-sub {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: #cce5ff;
  animation: intro-in 0.6s 0.4s ease both;
  opacity: 0;
  animation-fill-mode: both;
}

#screen-intro {
  transition: opacity 0.5s ease;
}

@keyframes intro-in {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ── 레벨 전환 알림 ── */
#level-ann-next {
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  color: rgba(255,255,255,0.75);
  font-weight: bold;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

#level-ann-color {
  font-size: clamp(3.5rem, 9vw, 6rem);
  font-weight: 900;
  color: #fff;
  text-shadow: 0 0 40px rgba(255,255,255,0.8), 0 4px 20px rgba(0,0,0,0.6);
  animation: level-ann-pop 0.55s cubic-bezier(0.34,1.56,0.64,1) both;
}

#screen-level-announce {
  transition: opacity 0.5s ease;
}

@keyframes level-ann-pop {
  from { transform: scale(0.3) rotate(-8deg); opacity: 0; }
  to   { transform: scale(1)   rotate(0deg);  opacity: 1; }
}

/* ── 무지개 진행 슬롯 ── */
#color-progress {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
  background: rgba(0,0,0,0.60);
  border-radius: 50px;
  padding: 8px 20px;
  border: 2px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.cp-slot {
  font-size: 2rem;
  filter: brightness(0.35) grayscale(0.8);
  transition: filter 0.4s, transform 0.4s;
  display: inline-block;
}

.cp-slot.done {
  filter: brightness(1.2) drop-shadow(0 0 10px rgba(255,255,255,0.9));
  transform: scale(1.15);
  animation: slot-pop 0.45s cubic-bezier(0.34,1.56,0.64,1) both;
}

.cp-slot.current {
  filter: brightness(0.85) grayscale(0.3);
  animation: slot-pulse 0.9s ease-in-out infinite alternate;
}

@keyframes slot-pop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1.15); opacity: 1; }
}

@keyframes slot-pulse {
  from { transform: scale(1.0);  filter: brightness(0.7); }
  to   { transform: scale(1.18); filter: brightness(1.1); }
}

/* ── 게임 클리어 화면 ── */
#end-farts-display {
  margin: 20px 0 28px;
  background: rgba(255,213,79,0.12);
  border: 3px solid rgba(255,213,79,0.4);
  border-radius: 20px;
  padding: 16px 24px;
}

#end-fart-num {
  font-size: 4.5rem;
  font-weight: 900;
  color: #ffd54f;
  text-shadow: 0 0 30px rgba(255,213,79,0.8);
  line-height: 1;
}

#end-fart-label {
  font-size: 1.2rem;
  color: #e0e0e0;
  margin-top: 6px;
}