.music-control-button{position:fixed;bottom:20px;right:20px;z-index:1000;width:48px;height:48px;border-radius:50%;background:rgba(0,0,0,.8);border:2px solid #f0f;color:#cff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;box-shadow:0 0 15px rgba(255,0,255,.4)}.music-control-button:hover{transform:scale(1.1);box-shadow:0 0 25px rgba(255,0,255,.6);border-color:#cff}.music-control-button:active{transform:scale(.95)}@media (max-width:768px){.music-control-button{width:40px;height:40px;bottom:15px;right:15px}.music-control-button svg{width:20px;height:20px}}.welcome-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.95);display:flex;align-items:center;justify-content:center;z-index:10000;cursor:pointer;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.welcome-content{text-align:center;padding:40px 60px;border:3px solid #f0f;background:linear-gradient(180deg,rgba(20,0,40,.95),rgba(0,0,20,.95));box-shadow:0 0 30px rgba(255,0,255,.4),0 0 60px rgba(255,0,255,.2),inset 0 0 30px rgba(0,255,255,.1);max-width:600px;animation:pulseGlow 2s ease-in-out infinite}@keyframes pulseGlow{0%,to{box-shadow:0 0 30px rgba(255,0,255,.4),0 0 60px rgba(255,0,255,.2),inset 0 0 30px rgba(0,255,255,.1)}50%{box-shadow:0 0 40px rgba(255,0,255,.6),0 0 80px rgba(255,0,255,.3),inset 0 0 40px rgba(0,255,255,.15)}}.welcome-title{font-size:clamp(20px,4vw,32px);text-shadow:0 0 10px #0ff,0 0 20px #0ff,3px 3px 0 #f0f;line-height:1.4}.welcome-text,.welcome-title{font-family:Press Start\ 2P,monospace;color:#cff;margin-bottom:30px}.welcome-text{font-size:clamp(10px,2vw,14px);line-height:2.2}.welcome-text p{margin:15px 0}.warning-text{color:#f44!important;text-shadow:0 0 10px red;animation:warningPulse 1.5s ease-in-out infinite}@keyframes warningPulse{0%,to{opacity:1}50%{opacity:.6}}.wallet-notice{color:#ff0!important;text-shadow:0 0 10px #ff0;margin-top:20px!important}.click-hint{font-family:Press Start\ 2P,monospace;font-size:clamp(8px,1.5vw,12px);color:#888;animation:blink 1s step-end infinite;margin-top:20px}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}@media (max-width:600px){.welcome-content{padding:30px 20px;margin:20px}.welcome-text{line-height:2}}