:root{--color-bg-start: hsl(260, 40%, 94%);--color-bg-end: hsl(20, 60%, 95%);--color-primary: hsl(260, 50%, 65%);--color-primary-hover: hsl(260, 50%, 55%);--color-primary-light: hsl(260, 60%, 90%);--color-accent-mint: hsl(150, 45%, 50%);--color-accent-mint-light: hsl(150, 50%, 90%);--color-accent-peach: hsl(18, 75%, 65%);--color-accent-peach-light: hsl(18, 80%, 92%);--color-accent-sky: hsl(200, 65%, 55%);--color-accent-sky-light: hsl(200, 70%, 90%);--color-text-main: hsl(240, 10%, 25%);--color-text-muted: hsl(240, 6%, 50%);--color-white: #ffffff;--glass-bg: rgba(255, 255, 255, .45);--glass-bg-hover: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px 0 rgba(142, 126, 177, .15);--glass-shadow-hover: 0 12px 40px 0 rgba(142, 126, 177, .25);--border-radius-sm: 12px;--border-radius-md: 20px;--border-radius-lg: 32px;--transition-smooth: all .3s cubic-bezier(.25, .8, .25, 1);--transition-bounce: all .5s cubic-bezier(.175, .885, .32, 1.275)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:Outfit,Quicksand,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,BIZ UDPGothic,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;color:var(--color-text-main);background:linear-gradient(135deg,var(--color-bg-start) 0%,var(--color-bg-end) 100%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}.glass-card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);box-shadow:var(--glass-shadow);transition:var(--transition-bounce)}.glass-card:hover{background:var(--glass-bg-hover);box-shadow:var(--glass-shadow-hover);transform:translateY(-5px) scale(1.02)}.btn-bounce{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:var(--border-radius-lg);border:none;font-weight:700;cursor:pointer;transition:var(--transition-bounce);text-decoration:none;box-shadow:0 4px 15px #0000000d}.btn-bounce:active{transform:scale(.92)}@keyframes floatBubble{0%{transform:translateY(0) rotate(0);opacity:.2}50%{transform:translateY(-20px) rotate(180deg);opacity:.4}to{transform:translateY(0) rotate(360deg);opacity:.2}}.bubble-drift{position:absolute;pointer-events:none;border-radius:50%;background:#ffffff4d;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.4);animation:floatBubble 8s ease-in-out infinite}body{margin:0;padding:0;font-family:"M PLUS Rounded 1c",Quicksand,Outfit,sans-serif;background:#05070f;color:#e2e8f0;min-height:100vh;min-height:100dvh;overflow-x:hidden;user-select:none;-webkit-user-select:none}.sleep-container{position:relative;width:100vw;min-height:100vh;min-height:100dvh;padding:40px 20px 60px;box-sizing:border-box;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;z-index:1}.header-bar{position:absolute;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:center;z-index:10}.back-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#f1f5f9;width:46px;height:46px;border-radius:50%;font-size:1.25rem;box-shadow:0 4px 12px #00000040;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),background-color .2s}.back-btn:active{transform:scale(.92)}.back-btn:hover{background:#ffffff26;border-color:#ffffff40}.app-title-badge{background:#0d111e99;border:1px solid rgba(255,215,0,.2);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:8px 20px;border-radius:20px;font-size:1.1rem;font-weight:800;color:gold;box-shadow:0 4px 16px #ffd70014;display:flex;align-items:center;gap:6px}.sky-stars,.sky-stars-slow,.sky-nebula{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.sky-stars{background-image:radial-gradient(1px 1px at 20px 30px,#fff,#0000),radial-gradient(1px 1px at 40px 70px,#fff,#0000),radial-gradient(1.5px 1.5px at 50px 160px,#fff,#0000),radial-gradient(1px 1px at 80px 120px,#ffb,#0000),radial-gradient(1.5px 1.5px at 110px 220px,#fff,#0000),radial-gradient(2px 2px at 150px 30px,#ffb,#0000),radial-gradient(1px 1px at 200px 80px,#fff,#0000),radial-gradient(2px 2px at 250px 190px,#fff,#0000);background-size:300px 300px;opacity:.45;animation:starsFloat 120s linear infinite;z-index:-3}.sky-stars-slow{background-image:radial-gradient(1.5px 1.5px at 10px 80px,#fff,#0000),radial-gradient(2px 2px at 90px 40px,#fff,#0000),radial-gradient(1px 1px at 130px 180px,#ffb,#0000),radial-gradient(2.5px 2.5px at 180px 260px,#fff,#0000),radial-gradient(1.5px 1.5px at 220px 110px,#fff,#0000),radial-gradient(1px 1px at 280px 30px,#fff,#0000);background-size:400px 400px;opacity:.3;animation:starsFloat 240s linear infinite;z-index:-2}.sky-nebula{background:radial-gradient(circle at 20% 30%,rgba(88,80,236,.15) 0%,transparent 60%),radial-gradient(circle at 80% 70%,rgba(236,72,153,.1) 0%,transparent 70%),radial-gradient(circle at 50% 50%,#111827,#030712);z-index:-4}@keyframes starsFloat{0%{transform:translateY(0)}to{transform:translateY(-300px)}}.moon-container{position:absolute;top:15%;right:12%;width:120px;height:120px;pointer-events:none;z-index:-1;animation:floatMoon 8s ease-in-out infinite}.glowing-moon{width:90px;height:90px;border-radius:50%;box-shadow:18px 18px #fff;filter:drop-shadow(0 0 20px rgba(255,255,255,.45))}@keyframes floatMoon{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-12px) rotate(3deg)}}.player-content{display:flex;flex-direction:row;align-items:flex-start;justify-content:center;gap:30px;width:100%;max-width:960px;margin-top:40px;box-sizing:border-box}.music-box-card,.playlist-card{background:#0d14268c;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:32px;box-shadow:0 16px 40px #0006;padding:30px;box-sizing:border-box}.music-box-card{flex:1.1;display:flex;flex-direction:column;align-items:center;text-align:center;max-width:460px}.playlist-card{flex:.9;display:flex;flex-direction:column;height:600px;max-width:440px}.disc-container{position:relative;width:200px;height:200px;margin-bottom:24px;display:flex;align-items:center;justify-content:center}.dream-disc{width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,#2d1b4e,#110926 70%,#03010b);border:5px solid rgba(255,255,255,.05);box-shadow:0 0 0 10px #5850ec1a,0 12px 30px #0009;display:flex;align-items:center;justify-content:center;position:relative}.disc-inner-ring{width:50px;height:50px;border-radius:50%;background:#03010b;border:2px solid rgba(255,215,0,.25);display:flex;align-items:center;justify-content:center}.disc-emoji{font-size:1.5rem;filter:drop-shadow(0 0 5px rgba(255,215,0,.5))}.dream-disc.rotating{animation:spinDisc 20s linear infinite}@keyframes spinDisc{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.soft-glow-dot{position:absolute;width:8px;height:8px;border-radius:50%;background:gold;filter:blur(1px);box-shadow:0 0 8px gold;opacity:.7}.soft-glow-dot.p1{top:15%;left:10%;animation:blinkGlow 3s ease-in-out infinite}.soft-glow-dot.p2{bottom:20%;right:15%;animation:blinkGlow 4s ease-in-out infinite 1s}.soft-glow-dot.p3{top:40%;right:5%;animation:blinkGlow 5s ease-in-out infinite 2s}@keyframes blinkGlow{0%,to{opacity:.2;transform:scale(.8)}50%{opacity:.9;transform:scale(1.2)}}.track-info{margin-bottom:24px;width:100%}.song-title-display{font-size:1.45rem;font-weight:800;color:#fff;margin-bottom:6px;text-shadow:0 2px 10px rgba(0,0,0,.4);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.artist-subtitle{font-size:.9rem;font-weight:600;color:#ffffff80;letter-spacing:1px}.progress-section{width:100%;margin-bottom:28px}.time-labels{display:flex;justify-content:space-between;font-size:.8rem;color:#fff6;margin-bottom:6px;font-weight:700}.seek-slider{width:100%;height:6px;border-radius:3px;background:#ffffff1a;outline:none;cursor:pointer;-webkit-appearance:none}.seek-slider::-webkit-slider-runnable-track{background:transparent}.seek-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 10px #fffc;cursor:pointer;margin-top:-4px;transition:transform .15s}.seek-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.seek-slider::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:#fff;box-shadow:0 0 10px #fffc;cursor:pointer}.audio-controls-row{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:320px;margin-bottom:24px}.control-btn,.control-small-btn{background:transparent;border:none;color:#fff9;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .2s,transform .1s;outline:none}.control-btn{font-size:1.8rem}.control-btn:hover{color:#fff;transform:scale(1.1)}.control-btn:active{transform:scale(.95)}.control-small-btn{font-size:1.2rem;padding:6px;border-radius:50%}.control-small-btn:hover{color:#ffffffe6}.control-small-btn.active{color:gold;background:#ffd7001a;box-shadow:0 0 10px #ffd7001a}.play-pause-btn{background:#fff;color:#0d1426;border:none;width:64px;height:64px;border-radius:50%;font-size:1.8rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px #fff3,0 0 0 6px #ffffff0d;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),box-shadow .2s;outline:none;padding-left:4px}.play-pause-btn:hover{transform:scale(1.06);box-shadow:0 10px 28px #ffffff4d,0 0 0 8px #ffffff14}.play-pause-btn:active{transform:scale(.94)}.settings-row{display:flex;justify-content:space-between;width:100%;gap:16px;border-top:1px solid rgba(255,255,255,.06);padding-top:20px;box-sizing:border-box}.setting-item{display:flex;align-items:center;gap:8px;background:#ffffff08;padding:8px 12px;border-radius:16px;border:1px solid rgba(255,255,255,.04);flex-grow:1}.setting-icon{font-size:1.1rem}.volume-slider{flex-grow:1;height:4px;background:#ffffff26;border-radius:2px;-webkit-appearance:none;outline:none;cursor:pointer}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:10px;height:10px;border-radius:50%;background:#fff}.timer-select{background:transparent;border:none;color:#f1f5f9;font-size:.85rem;font-weight:700;outline:none;cursor:pointer;width:100%}.timer-select option{background:#0d1426;color:#e2e8f0}.timer-countdown{margin-top:16px;font-size:.85rem;color:gold;background:#ffd70014;border:1px solid rgba(255,215,0,.15);padding:10px 16px;border-radius:16px;width:100%;box-sizing:border-box;animation:glowAnimation 3s ease-in-out infinite}@keyframes glowAnimation{0%,to{box-shadow:0 0 5px #ffd7000d}50%{box-shadow:0 0 15px #ffd70026}}.playlist-header{margin-bottom:20px;display:flex;flex-direction:column;gap:12px}.playlist-header h3{font-size:1.1rem;font-weight:800;color:#f1f5f9}.search-input{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#fff;padding:10px 16px;border-radius:16px;outline:none;font-size:.9rem;font-family:inherit;transition:border-color .2s,background-color .2s}.search-input:focus{border-color:#ffffff40;background:#ffffff14}.songs-scroll-area{flex-grow:1;overflow-y:auto;padding-right:4px;display:flex;flex-direction:column;gap:8px}.songs-scroll-area::-webkit-scrollbar{width:6px}.songs-scroll-area::-webkit-scrollbar-track{background:#ffffff05;border-radius:3px}.songs-scroll-area::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.songs-scroll-area::-webkit-scrollbar-thumb:hover{background:#fff3}.playlist-item{display:flex;align-items:center;padding:12px 16px;border-radius:16px;background:#ffffff05;border:1px solid rgba(255,255,255,.03);cursor:pointer;transition:all .2s;position:relative;overflow:hidden}.playlist-item:hover{background:#ffffff0f;border-color:#ffffff14;transform:translate(4px)}.playlist-item.current{background:#5850ec26;border-color:#5850ec59}.playlist-icon{font-size:1.1rem;margin-right:12px;opacity:.6}.playlist-item.current .playlist-icon{color:gold;opacity:1}.playlist-title{font-size:.92rem;font-weight:700;color:#cbd5e1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:75%}.playlist-item.current .playlist-title{color:#fff}.now-playing-tag{position:absolute;right:16px;font-size:.72rem;font-weight:800;color:gold;background:#ffd7001a;padding:2px 8px;border-radius:10px}.no-songs-found{text-align:center;color:#ffffff4d;font-size:.9rem;padding-top:40px}@media (max-width: 820px){.player-content{flex-direction:column;align-items:center;gap:24px;margin-top:20px}.music-box-card,.playlist-card{width:100%;max-width:480px}.playlist-card{height:480px}.sleep-container{padding:30px 16px 60px}.moon-container{top:10%;right:8%;width:80px;height:80px}.glowing-moon{width:60px;height:60px;box-shadow:12px 12px #fff}}.credit-trigger-btn{position:fixed;bottom:20px;right:20px;width:38px;height:38px;border-radius:50%;background:#ffffff0d;border:1px solid rgba(255,255,255,.12);color:#ffffff73;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 4px 16px #00000059;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),background-color .2s,color .2s;z-index:100;outline:none}.credit-trigger-btn:hover{background:#ffffff26;color:#ffffffe6;transform:scale(1.1)}.credit-trigger-btn:active{transform:scale(.92)}.credit-popup-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#03050ca6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeOrgelIn .25s ease-out}.credit-popup-card{background:#0d1426d9;border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:24px;width:90%;max-width:340px;padding:24px;box-shadow:0 20px 50px #000000a6;animation:scaleOrgelIn .25s cubic-bezier(.175,.885,.32,1.1)}.credit-popup-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.credit-popup-header h3{margin:0;font-size:1.1rem;font-weight:800;color:gold;letter-spacing:.5px}.credit-popup-close{background:transparent;border:none;font-size:1.6rem;color:#ffffff80;cursor:pointer;padding:4px;line-height:1;transition:color .2s,transform .2s;outline:none;display:flex;align-items:center;justify-content:center}.credit-popup-close:hover{color:#fff;transform:scale(1.1)}.credit-popup-body{text-align:center;padding:12px 0 6px}.credit-main-text{font-size:1.05rem;font-weight:800;color:#f8fafc;margin:0 0 10px}.credit-sub-text{font-size:.8rem;color:#ffffff73;margin:0;word-break:break-all;user-select:text;-webkit-user-select:text}@keyframes fadeOrgelIn{0%{opacity:0}to{opacity:1}}@keyframes scaleOrgelIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}