/* ===== RESET & BASE ===== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#08060e;
  --bg-card:rgba(255,255,255,.04);
  --fg:#f0eef5;
  --dim:#8a8494;
  --accent:#c084fc;
  --accent2:#fb923c;
  --glow:rgba(192,132,252,.35);
  --line:rgba(255,255,255,.08);
  --radius:16px;
}
html,body{
  height:100%;
  overflow-x:hidden;
  background:var(--bg);
  color:var(--fg);
  font-family:'Noto Sans JP',sans-serif;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}
body::before{
  content:'';
  position:fixed;
  inset:0;z-index:0;
  background:url('mainkey.png') center center / contain no-repeat;
  opacity:.06;
  pointer-events:none;
  filter:grayscale(.3);
}
body>*{position:relative;z-index:1;}

/* ===== HEADER ===== */
#header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;
  background:rgba(8,6,14,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.logo{
  font-family:'Orbitron',sans-serif;
  font-size:.9rem;font-weight:900;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.now-playing-badge{
  font-family:'Orbitron',sans-serif;
  font-size:.55rem;letter-spacing:2px;
  padding:4px 10px;border-radius:99px;
  background:rgba(192,132,252,.15);
  border:1px solid rgba(192,132,252,.3);
  color:var(--accent);
  animation:pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge{0%,100%{opacity:.6}50%{opacity:1}}

/* ===== MAIN LAYOUT ===== */
main{
  padding-top:52px;
  min-height:100vh;
  display:flex;flex-direction:column;
}

/* ===== CAROUSEL ===== */
.carousel-section{
  flex:1;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding:16px 0 0;
  overflow:hidden;
}
.carousel-container{
  width:100%;
  height:260px;
  perspective:900px;
  display:flex;align-items:center;justify-content:center;
  touch-action:pan-y;
  cursor:grab;
}
.carousel-container:active{cursor:grabbing}
.carousel-scene{
  width:200px;height:200px;
  position:relative;
  transform-style:preserve-3d;
  transition:transform 0.5s cubic-bezier(.25,.46,.45,.94);
}
.carousel-item{
  position:absolute;
  width:200px;height:200px;
  backface-visibility:hidden;
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,.6);
  transition:filter 0.4s, opacity 0.4s;
}
.carousel-item img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  pointer-events:none;
}
.carousel-item.active{
  filter:none;
  opacity:1;
  box-shadow:0 0 40px var(--glow), 0 12px 48px rgba(0,0,0,.7);
}
.carousel-item:not(.active){
  filter:brightness(.45) blur(1.5px);
  opacity:.7;
}

/* CD spin animation on active */
.carousel-item.active.playing{
  animation:cd-glow 3s ease-in-out infinite;
}
@keyframes cd-glow{
  0%,100%{box-shadow:0 0 30px var(--glow),0 12px 48px rgba(0,0,0,.7)}
  50%{box-shadow:0 0 60px var(--glow),0 0 80px rgba(251,146,60,.2),0 12px 48px rgba(0,0,0,.7)}
}

/* ===== TRACK INFO ===== */
.track-info{
  text-align:center;
  padding:12px 20px 0;
}
.track-title{
  font-family:'Orbitron',sans-serif;
  font-size:1.1rem;font-weight:900;
  letter-spacing:.05em;
  margin-bottom:2px;
  transition:opacity .3s;
}
.track-genre{
  font-size:.75rem;
  color:var(--dim);
  letter-spacing:.1em;
  text-transform:uppercase;
}

/* ===== CONTROLS ===== */
.controls{
  width:100%;max-width:360px;
  padding:10px 24px 0;
  margin:0 auto;
}

/* Progress bar */
.progress-wrap{
  width:100%;height:20px;
  display:flex;align-items:center;
  position:relative;
  cursor:pointer;
  touch-action:none;
}
.progress-wrap::before{
  content:'';
  position:absolute;
  left:0;right:0;top:50%;
  height:3px;
  background:rgba(255,255,255,.12);
  border-radius:2px;
  transform:translateY(-50%);
}
.progress-bar{
  position:absolute;
  left:0;top:50%;
  height:3px;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:2px;
  transform:translateY(-50%);
  pointer-events:none;
}
.progress-thumb{
  position:absolute;
  top:50%;
  width:14px;height:14px;
  background:var(--fg);
  border-radius:50%;
  transform:translate(-50%,-50%);
  left:0%;
  box-shadow:0 0 8px rgba(192,132,252,.5);
  pointer-events:none;
  transition:transform .1s;
}
.progress-wrap:active .progress-thumb{
  transform:translate(-50%,-50%) scale(1.4);
}

/* Time */
.time-row{
  display:flex;justify-content:space-between;
  font-size:.65rem;color:var(--dim);
  font-variant-numeric:tabular-nums;
  padding:2px 0;
}

/* Buttons */
.btn-row{
  display:flex;align-items:center;justify-content:center;
  gap:28px;padding:4px 0;
}
.ctrl-btn{
  background:none;border:none;
  color:var(--fg);cursor:pointer;
  padding:8px;border-radius:50%;
  transition:background .2s, transform .15s;
  display:flex;align-items:center;justify-content:center;
}
.ctrl-btn:hover{background:rgba(255,255,255,.08)}
.ctrl-btn:active{transform:scale(.9)}
.play-btn{
  width:56px;height:56px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:50%;
  box-shadow:0 4px 20px var(--glow);
}
.play-btn:hover{
  box-shadow:0 4px 30px var(--glow);
  transform:scale(1.05);
}
.play-btn:active{transform:scale(.95)}
.play-btn svg{margin-left:2px}

/* ===== LIKE ===== */
.like-section{
  display:flex;align-items:center;justify-content:center;
  padding:8px 0 4px;
  position:relative;
}
.like-btn{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:99px;
  padding:8px 20px;
  color:var(--fg);font-size:.9rem;
  cursor:pointer;
  transition:all .2s;
  font-family:inherit;
}
.like-btn:hover{
  background:rgba(192,132,252,.1);
  border-color:rgba(192,132,252,.3);
}
.like-btn.liked{
  background:rgba(192,132,252,.15);
  border-color:var(--accent);
  color:var(--accent);
}
.like-btn.liked .like-icon{
  color:var(--accent);
}
.like-icon{
  font-size:1.3rem;
  transition:transform .3s cubic-bezier(.175,.885,.32,1.275);
}
.like-btn.pop .like-icon{
  transform:scale(1.5);
}
.like-count{
  font-weight:700;
  font-variant-numeric:tabular-nums;
  min-width:20px;
  text-align:center;
}

/* Like particles */
.like-particles{
  position:absolute;
  pointer-events:none;
}
.like-particle{
  position:absolute;
  font-size:1rem;
  animation:particle-fly .8s ease-out forwards;
  pointer-events:none;
}
@keyframes particle-fly{
  0%{opacity:1;transform:translate(0,0) scale(1)}
  100%{opacity:0;transform:translate(var(--tx),var(--ty)) scale(0)}
}

/* ===== VIDEO ===== */
.video-section{
  padding:8px 16px 16px;
}
.video-wrap{
  max-width:400px;
  margin:0 auto;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:#000;
  aspect-ratio:16/9;
  position:relative;
}
.video-wrap video{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}

/* ===== COIN SECTION ===== */
.coin-section{
  padding:0 20px 32px;
  max-width:480px;
  margin:0 auto;
}

/* Divider */
.section-divider{
  display:flex;align-items:center;gap:12px;
  padding:24px 0 20px;
}
.divider-line{
  flex:1;height:1px;
  background:linear-gradient(90deg,transparent,var(--line),transparent);
}
.divider-label{
  font-family:'Orbitron',sans-serif;
  font-size:.75rem;font-weight:900;
  letter-spacing:.2em;
  color:var(--accent);
  text-shadow:0 0 16px var(--glow);
}

/* Coin Hero */
.coin-hero{
  text-align:center;
  margin-bottom:16px;
}
.coin-title{
  font-family:'Orbitron',sans-serif;
  font-size:1.5rem;font-weight:900;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  margin-bottom:6px;
}
.coin-sub{
  color:var(--dim);
  font-size:.8rem;
  line-height:1.6;
}

/* Contract */
.contract-box{
  position:relative;
  text-align:center;
  margin-bottom:16px;
}
.contract-label{
  display:block;
  font-size:.6rem;
  color:var(--dim);
  letter-spacing:.15em;
  text-transform:uppercase;
  margin-bottom:6px;
}
.contract-row{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  border:1px dashed rgba(192,132,252,.3);
  border-radius:12px;
  background:rgba(0,0,0,.3);
}
.contract-addr{
  flex:1;
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  font-size:.65rem;
  word-break:break-all;
  color:var(--fg);
  text-align:left;
}
.copy-btn{
  flex-shrink:0;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:8px;
  padding:6px 8px;
  color:var(--fg);
  cursor:pointer;
  transition:all .2s;
  display:flex;align-items:center;justify-content:center;
}
.copy-btn:hover{background:rgba(255,255,255,.12)}
.copy-btn:active{transform:scale(.9)}
.copy-toast{
  position:absolute;
  bottom:-20px;left:50%;transform:translateX(-50%);
  font-size:.6rem;
  color:var(--accent);
  opacity:0;
  transition:opacity .3s;
  pointer-events:none;
}
.copy-toast.show{opacity:1}

/* Coin Links */
.coin-links{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-bottom:12px;
}
.coin-link{
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 8px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--bg-card);
  color:var(--fg);
  font-size:.8rem;font-weight:700;
  text-decoration:none;
  transition:all .2s;
}
.coin-link:hover{
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}
.coin-link.primary{
  grid-column:1 / -1;
  border-color:rgba(192,132,252,.35);
  background:linear-gradient(135deg,rgba(192,132,252,.12),rgba(251,146,60,.08));
  font-size:.9rem;
}
.coin-link.primary:hover{
  background:linear-gradient(135deg,rgba(192,132,252,.22),rgba(251,146,60,.15));
  box-shadow:0 4px 20px var(--glow);
}

/* Community Links */
.community-links{
  display:flex;gap:8px;
  margin-bottom:16px;
}
.social-link{
  flex:1;
  display:flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 8px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--bg-card);
  color:var(--fg);
  font-size:.8rem;font-weight:700;
  text-decoration:none;
  transition:all .2s;
}
.social-link:hover{
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}

/* About Card */
.about-card{
  padding:20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
}
.about-title{
  font-family:'Orbitron',sans-serif;
  font-size:.85rem;font-weight:900;
  letter-spacing:.1em;
  margin-bottom:8px;
}
.about-text{
  font-size:.78rem;
  color:var(--dim);
  line-height:1.8;
  margin-bottom:12px;
}
.about-tags{
  display:flex;flex-wrap:wrap;gap:6px;
}
.tag{
  padding:4px 10px;
  border-radius:99px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:.6rem;font-weight:700;
  letter-spacing:.08em;
  color:var(--dim);
}

/* ===== FOOTER ===== */
footer{
  text-align:center;
  padding:16px 20px 24px;
  font-size:.65rem;
  color:var(--dim);
  border-top:1px solid var(--line);
}
.disclaimer{
  margin-top:4px;
  opacity:.6;
}

/* ===== RESPONSIVE ===== */

/* Larger phones */
@media (min-height:740px){
  .carousel-container{height:300px}
  .carousel-item,.carousel-scene{width:220px;height:220px}
}

/* Tablets & Desktop */
@media (min-width:768px){
  .carousel-container{height:380px;perspective:1200px}
  .carousel-item,.carousel-scene{width:280px;height:280px}
  .track-title{font-size:1.4rem}
  .controls{max-width:440px}
  .video-wrap{max-width:560px}
}

/* Short screens (landscape phone) */
@media (max-height:600px){
  .carousel-container{height:200px}
  .carousel-item,.carousel-scene{width:160px;height:160px}
  .controls{padding-top:4px}
  .video-section{padding:4px 16px 8px}
}

/* ===== LOADING STATE ===== */
.loading .carousel-scene{
  opacity:0;
  transform:rotateY(0) scale(.8);
}
body:not(.loading) .carousel-scene{
  opacity:1;
  transition:opacity .6s, transform .6s;
}

/* ===== SWIPE HINT ===== */
.swipe-hint{
  position:absolute;
  bottom:8px;
  left:50%;transform:translateX(-50%);
  font-size:.6rem;
  color:var(--dim);
  letter-spacing:.15em;
  font-family:'Orbitron',sans-serif;
  animation:hint-fade 3s ease-in-out forwards;
  pointer-events:none;
}
@keyframes hint-fade{
  0%,60%{opacity:.7}
  100%{opacity:0;display:none}
}