/* Melony Player CSS Styles */

body {
  margin: 0;
  padding: 0;
  background-color: #f4effb;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  transition: background-image 0.5s ease;
}

/* 배경 블러 오버레이 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  filter: blur(5px);
  z-index: -2;
}

/* 어두운 오버레이 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(244, 239, 251, 0.8);
  z-index: -1;
}

.container {
  width: 100%;
  max-width: 400px;
  background-color: transparent;
  padding: 15px 10px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  justify-content: flex-start;
  gap: 15px;
  position: relative;
}

/* 컨테이너 반투명 오버레이 */
.container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(244, 239, 251, 0.3);
  z-index: -1;
}

.player-header {
  width: 100%;
  text-align: center;
  margin-top: 20px;
}

.player-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
  color: #2d3748;
  padding: 10px 28px;
  line-height: 1.05;     
  border-radius: 20px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  backdrop-filter: blur(20px) saturate(180%);
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 4px 16px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.player-title::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.player-title:hover::before {
  left: 100%;
}

.player-title:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.15),
    0 6px 20px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  border-color: rgba(255, 255, 255, 0.5);
}

.player-title:active {
  transform: translateY(-1px) scale(1.01);
  transition-duration: 0.1s;
}



.title-icon-link {
  font-size: 20px;
  animation: iconPulse 3s ease-in-out infinite;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-block;
  border-radius: 50%;
  padding: 2px;
}

.title-icon-link:link,
.title-icon-link:visited,
.title-icon-link:hover,
.title-icon-link:active {
  text-decoration: none;
  color: inherit;
}

.title-icon-link:hover {
  transform: scale(1.15);
  animation-duration: 1s;
}

.title-icon-link:active {
  transform: scale(1.05);
}

.title-icon-link:focus {
  outline: none;
}

.title-text {
  background: linear-gradient(45deg, #667eea, #764ba2, #f093fb);
  background-size: 300% 300%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease-in-out infinite;
}

/* 헤더 이퀄라이저 버튼 */
.title-equalizer-button {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  margin-left: 8px;
  animation: equalizerPulse 2s ease-in-out infinite;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.title-equalizer-button:hover {
  transform: scale(1.2);
  animation-duration: 1s;
  background: rgba(255, 255, 255, 0.2);
}

.title-equalizer-button:active {
  transform: scale(1.05);
}

@keyframes equalizerPulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg); 
    opacity: 0.85; 
  }
  50% { 
    transform: scale(1.1) rotate(5deg); 
    opacity: 1; 
  }
}

@keyframes iconPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.1); opacity: 1; }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 썸네일 컨테이너 */
.thumbnail-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 30px;
  overflow: hidden;
  background: none;
}

/* 커버가 준비되면 바탕을 켠다 */
.thumbnail-container.cover-ready {
  background: linear-gradient(45deg, #fff8b0 0%, #ffffe0 40%, #fff8b0 70%, #fff8b0 100%);
  background-size: 200% 200%;
  animation: gradientBreath 8s ease-in-out infinite;
}

@keyframes gradientBreath {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.thumbnail {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  background-size: 100%;
  background-position: center 10%;
  background-repeat: no-repeat;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  /* ✅ transition 제거: animation-play-state: paused 시 기본값으로 돌아가는 것을 방지 */
  /* transition: background-size 0.6s ease; */
  overflow: hidden;
  position: relative;
  transform-origin: center 80%;
}

.touch-zones {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 5;
}

.touch-zone {
  position: absolute;
  top: 0;
  height: 100%;
  width: 33.33%;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.touch-zone.left {
  left: 0;
  background: linear-gradient(45deg, rgba(155, 131, 241, 0.8), rgba(92, 109, 224, 0.8));
}

.touch-zone.right {
  right: 0;
  background: linear-gradient(45deg, rgba(92, 109, 224, 0.8), rgba(155, 131, 241, 0.8));
}

.touch-zone.active {
  opacity: 1;
  pointer-events: auto;
}

.volume-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 15px 25px;
  border-radius: 20px;
  font-size: 20px;
  font-weight: bold;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 10;
  pointer-events: none;
}

.volume-overlay.show {
  opacity: 1;
}

.song-info {
  text-align: center;
  margin: -20px 0 0 0;
  min-height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.title {
    font-size: 14px;
    font-weight: 600;
    color: #C58BDF; /* 기본 보라빛 */
    margin-top: 10px;
    letter-spacing: 0.5px;
    transition: color 2s ease;
    animation: gentleColorShift 16s ease-in-out infinite;

}

.progress-container {
  width: 90%;
  margin: -13px 0 0 0;
}

.progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 5px;
  background: #e0e0e0;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(to right, #9b83f1, #5c6de0);
  border-radius: 5px;
  width: 0%;
  transition: width 0.1s ease;
}

.time-display {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #666;
  margin-top: 8px;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: -25px;
  gap: 25px;
}

.control-button {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  color: #5c6de0;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.control-button:hover {
  background: rgba(255, 255, 255, 1);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.control-button:active {
  transform: scale(0.95);
}

.play-button {
  width: 50px;
  height: 50px;
  font-size: 24px;
  background: linear-gradient(135deg, #9b83f1, #5c6de0);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-left: 12px;
  padding-top: 5px;
  padding-bottom: 2px;
}

.play-button:hover {
  background: linear-gradient(135deg, #8a72e0, #4a5bc7);
}

.category-switch {
  display: flex;
  justify-content: space-around;
  width: 90%;
  margin: 0;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: 5px;
}

.category {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-weight: bold;
  font-size: 16px;
  color: #444;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 15px;
}

.category.active {
  background: rgba(92, 109, 224, 0.15);
  color: #5c6de0;
}

.bg-sound-section {
  width: 90%;
  margin: 0;
}

.bg-sound-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0;
}

.bg-button {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 15px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  padding: 14px 8px;
  color: #333;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.bg-button:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.bg-button.active {
  background: rgba(92, 109, 224, 0.9);
  border-color: #5c6de0;
  color: white;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(92, 109, 224, 0.3);
}

footer {
  font-size: 11px;
  color: #999;
  margin: 0;
  text-align: center;
}

.visit-stats {
  position: fixed;
  left: 8px;
  bottom: 6px;
  font-size: 10px;
  color: #8a8a8a;
  background: rgba(255, 255, 255, 0.7);
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 9999;
  backdrop-filter: blur(6px);
}


.equalizer-panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 90%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  z-index: 2000;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease;
}

.equalizer-panel.show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.equalizer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  color: #333;
}

.equalizer-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.close-eq {
  background: none;
  border: none;
  font-size: 24px;
  color: #666;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.close-eq:hover {
  background: rgba(0,0,0,0.1);
  color: #333;
}

.equalizer-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}

.preset-btn {
  padding: 8px 12px;
  border: none;
  border-radius: 12px;
  background: rgba(92, 109, 224, 0.1);
  color: #5c6de0;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  background: rgba(92, 109, 224, 0.2);
  transform: translateY(-1px);
}

.preset-btn.active {
  background: rgba(92, 109, 224, 0.9);
  color: white;
}

.equalizer-controls {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 15px;
}

.eq-band {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.eq-band label {
  font-size: 11px;
  font-weight: 600;
  color: #666;
  text-align: center;
}

.eq-slider {
  writing-mode: vertical-lr;
  direction: rtl;
  width: 25px;
  height: 120px;
  background: linear-gradient(to top, #e0e0e0, #e0e0e0);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 10px;
}

.eq-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #5c6de0;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.eq-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #5c6de0;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.eq-value {
  font-size: 10px;
  font-weight: 600;
  color: #5c6de0;
  text-align: center;
  min-height: 12px;
}

/* 애니메이션 */
@keyframes blurStart {
  0% {
    filter: blur(8px);
    opacity: 0;
  }
  100% {
    filter: none;
    opacity: 1;
  }
}

/* ✅ 중복 제거: 아래 729줄에 더 상세한 정의가 있음 */

.thumbnail.blur-hidden {
  opacity: 0;
}

@keyframes slowZoomBg {
  0% {
    background-size: 100%;
  }
  50% {
    background-size: 150%;
  }
  100% {
    background-size: 100%;
  }
}

@keyframes panUpCover {
  0%   { background-position: center 10%; }
  50%  { background-position: center 90%; }
  100% { background-position: center 10%; }
}

@keyframes fadeOpacity {
  0%   { opacity: 1; }
  50%  { opacity: 0.8; }
  100% { opacity: 1; }
}

@keyframes saturateChange {
  0% { filter: saturate(1.0) blur(0px); }
  50% { filter: saturate(1.18) blur(0px); }
  100% { filter: saturate(1.0) blur(0px); }
}

/* ✅ 불필요한 중복 제거 */

/* ✨ 원본 애니메이션 세팅 (재생 중) - 처음 재생 시 blur-start 포함 */
.thumbnail.blur-start.playing {
  animation:
    blurStart 1.5s ease-out,
    slowZoomBg 20s ease-in-out infinite 2s,
    panUpCover 60s ease-in-out 1s,
    fadeOpacity 12s ease-in-out infinite 3s,
    saturateChange 8s ease-in-out infinite 4s;
  animation-fill-mode: both;
}

/* ✨ blur-start 제거 후 재생 중 애니메이션 (일시정지/재생 시) */
.thumbnail.playing.slow-zoom {
  animation:
    slowZoomBg 20s ease-in-out infinite,
    panUpCover 60s ease-in-out infinite,
    fadeOpacity 12s ease-in-out infinite,
    saturateChange 8s ease-in-out infinite;
  animation-fill-mode: both;
}

.thumbnail {
  will-change: background-position;
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #5c6de0;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 10px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}


.audio-visualizer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 3px;
  height: 30px;
  opacity: 1;
  transition: opacity 0.5s ease;
  padding: 0 20px;
  border-radius: 0 0 30px 30px;
  overflow: hidden;
}

.audio-visualizer.playing {
  opacity: 1;
}

.visualizer-bar {
  width: 3px;
  background: rgb(255, 255, 255);
  border-radius: 2px;
  transition: height 0.05s ease;
  min-height: 2px;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.debug-info {
  display: none !important;
}

.debug-info.show {
  display: block;
}

/* 재시작 버튼 스타일 */
.restart-section {
  width: 90%;
  text-align: center;
  margin: 10px 0;
}

.restart-button {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 25px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
  transition: all 0.3s ease;
}

.restart-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.thumbnail.slow-zoom {
  animation: slowZoomBg 16s ease-in-out infinite, fadeOpacity 10s ease-in-out infinite;
}
/* 효과음 버튼 로딩 상태 */
.bg-button.loading {
  position: relative;
  pointer-events: none;
}

.bg-button.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #5c6de0;
  border-radius: 50%;
  animation: buttonSpin 0.6s linear infinite;
}

@keyframes buttonSpin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 효과음 버튼 활성화 상태 개선 */
.bg-button.active {
  background: linear-gradient(135deg, rgba(92, 109, 224, 0.95), rgba(155, 131, 241, 0.95));
  border-color: #5c6de0;
  color: white;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(92, 109, 224, 0.4), 0 0 20px rgba(92, 109, 224, 0.2);
  transform: scale(1.05);
}

/* 효과음 버튼 호버 개선 */
.bg-button:not(.loading):not(.active):hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.bg-button:not(.loading):active {
  transform: scale(0.98);
  transition-duration: 0.1s;
}

/* YouTube를 썸네일 박스 안에서 꽉 차게 크롭 */
#youtubeContainer {
  position: absolute;  /* index.html에 있는 인라인 스타일과 같게 맞춤 */
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;    /* 넘친 부분은 자르기 = 크롭 */
  z-index: 1;
}

#youtubePlayer {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.78%;      /* 16:9 영상을 16:10 박스보다 가로로 크게 → 위아래 검은줄 안 보이게 */
  height: 100%;
  transform: translate(-50%, -50%);
  border: none;
  pointer-events: none; /* 원래 index.html에 있던 거 그대로 유지 */
}

#youtubeContainer {
  pointer-events: none;  /* 위에 떠도 클릭 막지 말아라 */
}

/* PC에서 띄우는 유튜브를 가장 뒤로 보냄 */
#youtubeContainer {
  z-index: 0 !important;  /* 썸네일(기본), 터치존(z=5), 볼륨(z=10)보다 아래 */
  pointer-events: none;   /* 터치/드래그는 뒤에 있는 터치존으로 보내기 */
}