:root{--bg:#150f2e;--card:#221c49;--card2:#2b2459;--line:#3b3372;--fg:#f4f2ff;--mut:#b3abd9;--red:#ff4f6d;--yel:#ffd166;--mint:#3ee0a1;--sky:#59b8ff;--lil:#c39bff;
  --sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px);--cf:30px}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,#3a1f6e 0,transparent 60%),radial-gradient(900px 500px at 110% 0,#123a5e 0,transparent 55%),var(--bg);background-attachment:fixed;color:var(--fg);font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
.hidden{display:none!important}
a{color:var(--sky)}
/* top bar */
.top{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:8px;padding:calc(8px + var(--sat)) calc(12px + var(--sar)) 8px calc(12px + var(--sal));background:#171334e6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid #ffffff12}
.brand{white-space:nowrap;display:flex;align-items:center;gap:8px;font-size:20px;font-weight:800;background:none;border:0;padding:4px 2px;color:var(--fg);min-height:46px}
.brand .logo{font-size:26px}
.sp{flex:1}
.saved{font-size:13px;color:var(--mut);padding:4px 10px;border-radius:20px;background:#ffffff10;opacity:0;transition:opacity .3s;white-space:nowrap;position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);pointer-events:none;background:#1e1840;border:1px solid #ffffff1a}
.saved.on{opacity:1;color:var(--mint)}
.btn{white-space:nowrap;background:var(--card2);border:1px solid var(--line);color:var(--fg);border-radius:14px;padding:10px 16px;min-height:48px;font-size:16px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn:hover{border-color:#6b5fc0}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.round{width:48px;padding:0;border-radius:50%;font-size:20px;flex:none}
.btn.primary{background:linear-gradient(135deg,#7c5cff,#5b8cff);border-color:transparent;color:#fff}
.btn.go{background:linear-gradient(135deg,#3ee0a1,#2fd4c4);border-color:transparent;color:#0c2a20}
.btn.danger{background:#5b1d2a;border-color:#8b2a3d}
.btn.wide{width:100%}
.btn.on{background:#3ee0a1;color:#0c2a20;border-color:#fff}
.btn:disabled{opacity:.45;cursor:default}
.wrap{max-width:980px;margin:0 auto;padding:16px calc(14px + var(--sar)) calc(120px + var(--sab)) calc(14px + var(--sal))}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:18px 18px 20px;box-shadow:0 10px 30px #0004;margin-bottom:16px}
.card h2{margin:0 0 10px;font-size:22px}
.muted{color:var(--mut)}.small{font-size:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
/* home */
.hero{text-align:center;padding:10px 6px 4px}
.hero h1{font-size:clamp(28px,7vw,44px);line-height:1.1;margin:6px 0 8px;letter-spacing:-.5px}
.hero h1 span{background:linear-gradient(90deg,#ffd166,#ff7a93,#c39bff,#59b8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--mut);margin:0 auto 6px;max-width:560px;font-size:17px}
.step-h{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.step-h h2{margin:0;font-size:23px}.step-h p{margin:2px 0 0;color:var(--mut)}
.num{flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-size:22px;font-weight:800;background:linear-gradient(135deg,#ff5a7a,#ffb347);color:#1a1030}
.num.n2{background:linear-gradient(135deg,#59b8ff,#3ee0a1)}.num.n3{background:linear-gradient(135deg,#c39bff,#ff99c8)}
.ways{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:760px){.ways{grid-template-columns:1fr}}
.big{display:flex;align-items:center;gap:14px;text-align:left;border-radius:22px;padding:16px 18px;min-height:96px;border:2px solid transparent;color:#1a1030;font-size:16px;width:100%;box-shadow:0 6px 18px #0004}
.big b{display:block;font-size:20px}.big small{display:block;font-size:15px;opacity:.82;margin-top:2px}
.big .ico{font-size:38px;flex:none;width:48px;text-align:center}
.big:hover{transform:translateY(-1px);box-shadow:0 10px 24px #0006}.big:focus-visible{outline:3px solid #fff}
.w-listen{background:linear-gradient(135deg,#ffd166,#ff9459)}.w-file{background:linear-gradient(135deg,#8fd8e8,#59b8ff)}.w-rec{background:linear-gradient(135deg,#ffc2d1,#ff7a93)}.w-demo{background:linear-gradient(135deg,#b6f3d4,#3ee0a1)}
.big .tag{display:inline-block;font-size:12px;font-weight:800;background:#1a103022;border-radius:10px;padding:1px 8px;margin-left:6px;vertical-align:middle}
.demo-row{margin-top:12px}
.drop{border:3px dashed #ffffff55;border-radius:22px}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
@media (max-width:760px){.how{grid-template-columns:1fr}}
.how div{background:#ffffff08;border-radius:16px;padding:12px 14px;display:flex;gap:10px;align-items:center}
.how .e{font-size:28px}
.recent{display:flex;flex-direction:column;gap:8px}
.song{display:flex;align-items:center;gap:12px;background:var(--card2);border:1px solid var(--line);border-radius:18px;padding:10px 12px;min-height:64px;text-align:left;color:var(--fg);width:100%}
.song .sw{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:22px;flex:none;color:#1a1030;font-weight:900}
.song .meta{flex:1;min-width:0}.song .meta b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:17px}
.song .meta span{font-size:13px;color:var(--mut)}
.search{width:100%;font-size:17px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#120d29;min-height:50px}
.empty{background:#ffffff08;border:2px dashed var(--line);border-radius:18px;padding:18px;text-align:center;color:var(--mut);line-height:1.6}
.free{font-size:14px;color:var(--mut);text-align:center;margin:18px 0 0;line-height:1.6}
/* listen */
.live{text-align:center}
.nowc{width:min(62vw,240px);height:min(62vw,240px);margin:6px auto 10px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#ffe29a,#ffb347 55%,#ff7a59);color:#1a1030;box-shadow:0 0 0 10px #ffb34722,0 20px 40px #0006;position:relative}
.nowc.rec{background:radial-gradient(circle at 35% 30%,#ffb0bf,#ff4f6d 60%,#c8174a);color:#fff}
.nowc .ch{font-size:min(20vw,84px);font-weight:900;line-height:1}
.nowc .lab{position:absolute;top:22%;font-size:14px;font-weight:800;opacity:.75;letter-spacing:.5px}
.nowc.pulse{animation:pulse 1.4s infinite}@keyframes pulse{50%{box-shadow:0 0 0 22px #ffb34711,0 20px 40px #0006}}
.meter{height:14px;border-radius:8px;background:#ffffff14;overflow:hidden;max-width:360px;margin:8px auto}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#3ee0a1,#ffd166,#ff4f6d);transition:width .1s}
.livemsg{font-size:18px;font-weight:700;min-height:1.5em}
.livebar{display:flex;justify-content:center;gap:12px;margin:14px 0 6px}
.stopbtn{min-width:200px;min-height:64px;font-size:20px;border-radius:20px}
/* progress */
.busy{position:fixed;inset:0;z-index:90;background:#0d0a20e6;display:grid;place-items:center;padding:20px}
.busy .box{background:var(--card);border:1px solid var(--line);border-radius:26px;padding:26px 22px;max-width:420px;width:100%;text-align:center}
.busy .spin{font-size:54px;animation:bob 1.2s ease-in-out infinite}@keyframes bob{50%{transform:translateY(-8px) rotate(8deg)}}
.prog{height:16px;border-radius:9px;background:#ffffff14;overflow:hidden;margin:14px 0 8px}
.prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,#59b8ff,#3ee0a1);transition:width .25s}
/* sheet */
.shead{display:flex;align-items:flex-start;gap:10px;margin:4px 0 12px}
.shead h1{margin:0;font-size:clamp(22px,5.5vw,32px);line-height:1.15;word-break:break-word}
.shead .info{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.pill{background:#ffffff12;border:1px solid #ffffff22;border-radius:20px;padding:5px 12px;font-size:14px;font-weight:650;min-height:34px;display:inline-flex;align-items:center;gap:6px;color:var(--fg)}
.pill.hl{background:#ffd16626;border-color:#ffd16666;color:var(--yel)}
.banner{background:linear-gradient(135deg,#2b2459,#1f3b5e);border:1px solid #59b8ff55;border-radius:18px;padding:12px 14px;margin-bottom:12px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sec{margin:0 0 14px;border-radius:20px;padding:10px 10px 12px;background:color-mix(in srgb,var(--pc) 10%,#1d1740);border:1px solid color-mix(in srgb,var(--pc) 35%,transparent)}
.sech{display:flex;align-items:center;gap:8px;margin:0 2px 8px;background:none;border:0;color:var(--fg);padding:4px 0;min-height:40px;text-align:left}
.sech .dot{width:14px;height:14px;border-radius:50%;background:var(--pc)}
.sech b{font-size:19px}.sech span{font-size:13px;color:var(--mut)}
.sech .pen{opacity:.5;font-size:14px}
.brow{display:grid;grid-template-columns:repeat(var(--per,4),minmax(0,1fr));gap:6px;margin-bottom:6px}
.bar{position:relative;min-height:calc(var(--cf) * 2.2);border-radius:14px;background:#130e2bcc;border:2px solid #ffffff14;color:var(--fg);display:flex;align-items:center;justify-content:center;gap:4px;padding:6px 4px;overflow:hidden;font-weight:800}
.bar .c{font-size:var(--cf);line-height:1;white-space:nowrap;letter-spacing:-.5px}
.bar.split .c{font-size:calc(var(--cf) * .72)}
.bar.split .c+.c{border-left:2px solid #ffffff22;padding-left:5px}
.bar .nc{color:#ffffff55;font-size:calc(var(--cf) * .6)}
.bar.low{border-style:dashed;border-color:#ffffff33}
.bar.low::after{content:'?';position:absolute;top:3px;right:7px;font-size:13px;color:var(--mut)}
.bar.ed::after{content:'✎';position:absolute;top:3px;right:7px;font-size:12px;color:var(--mint)}
.bar .bn{position:absolute;left:6px;top:3px;font-size:11px;color:#ffffff44;font-weight:600}
.bar .pg{position:absolute;left:0;bottom:0;height:5px;width:0;background:var(--yel)}
.bar.now{background:color-mix(in srgb,var(--pc) 75%,#fff 0%);color:#140d2a;border-color:#fff;box-shadow:0 0 0 3px #ffffff55,0 8px 20px #0006;transform:scale(1.03)}
.bar.now .bn{color:#0006}.bar.now .nc{color:#0007}
.bar.past{opacity:.6}
.lyr{grid-column:1/-1;font-size:calc(var(--cf) * .62);color:#fff;margin:-2px 4px 6px;line-height:1.3;font-weight:500}
.lyr.now{color:var(--yel)}
.lyrline{margin:0 4px 10px;font-size:calc(var(--cf)*.6);line-height:1.3}
body.bigtext{--cf:44px}
@media (min-width:900px){:root{--cf:34px}body.bigtext{--cf:52px}}
/* dock */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#171334f2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid #ffffff1a;padding:8px calc(10px + var(--sar)) calc(8px + var(--sab)) calc(10px + var(--sal))}
.dock .in{max-width:980px;margin:0 auto;display:flex;align-items:center;gap:8px}
.play{width:64px;height:64px;border-radius:50%;border:0;background:linear-gradient(135deg,#3ee0a1,#2fd4c4);color:#0c2a20;font-size:26px;flex:none;box-shadow:0 6px 18px #3ee0a155}
.play.on{background:linear-gradient(135deg,#ffd166,#ff9459)}
.spd{display:flex;align-items:center;gap:4px;background:#ffffff0d;border-radius:18px;padding:3px}
.spd button{width:50px;height:50px;border-radius:14px;border:0;background:transparent;font-size:24px}
.spd button:active{background:#ffffff18}
.spd .v{min-width:58px;text-align:center;font-weight:800;font-size:16px;line-height:1.1}.spd .v small{display:block;font-size:11px;color:var(--mut);font-weight:600}
.dock .time{font-size:13px;color:var(--mut);min-width:0;overflow:hidden;white-space:nowrap}
.dock .more{margin-left:auto}
@media (max-width:420px){.dock .time{display:none}}
.progline{height:6px;background:#ffffff14;border-radius:4px;margin:0 auto 8px;max-width:980px;position:relative;cursor:pointer}
.progline i{position:absolute;left:0;top:0;bottom:0;background:var(--yel);border-radius:4px}
/* sheets / modal */
.modal{position:fixed;inset:0;z-index:80;background:#0a0718b3;display:flex;align-items:flex-end;justify-content:center}
@media (min-width:700px){.modal{align-items:center}}
.mbox{background:var(--card);border:1px solid var(--line);border-radius:26px 26px 0 0;width:100%;max-width:560px;max-height:92vh;overflow:auto;padding:16px 18px calc(18px + var(--sab));box-shadow:0 -10px 40px #0008;animation:up .2s ease-out}
@media (min-width:700px){.mbox{border-radius:26px}}
@keyframes up{from{transform:translateY(30px);opacity:.4}}
.mhead{display:flex;align-items:center;gap:10px;margin-bottom:10px}.mhead h2{margin:0;font-size:21px;flex:1}
.diagrams{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:6px 0 10px}
.diag{text-align:center}.diag .nm{font-size:30px;font-weight:900;margin-bottom:2px}.diag svg{width:150px;height:auto}
.diag .sounds{font-size:13px;color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{background:var(--card2);border:2px solid var(--line);color:var(--fg);border-radius:16px;padding:8px 14px;min-height:48px;min-width:58px;font-size:19px;font-weight:800}
.chip.sel{background:var(--yel);color:#2a1f05;border-color:#fff}
.chip small{display:block;font-size:11px;font-weight:600;opacity:.7}
.roots{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.roots .chip{min-width:0;padding:8px 0}
.lbl{font-weight:800;margin:14px 0 4px;font-size:16px}
.opt{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid #ffffff12;min-height:60px}
.opt .t{flex:1}.opt .t b{display:block}.opt .t span{font-size:14px;color:var(--mut)}
.opt .ico{font-size:24px;width:32px;text-align:center}
.stepper{display:flex;align-items:center;gap:6px}.stepper .v{min-width:72px;text-align:center;font-weight:800}
.switch{width:60px;height:36px;border-radius:20px;background:#ffffff22;border:0;position:relative;flex:none}
.switch::after{content:'';position:absolute;left:4px;top:4px;width:28px;height:28px;border-radius:50%;background:#fff;transition:left .15s}
.switch.on{background:var(--mint)}.switch.on::after{left:28px}
details.adv{margin-top:10px;background:#ffffff08;border-radius:16px;padding:6px 12px}
details.adv summary{min-height:48px;display:flex;align-items:center;font-weight:800;cursor:pointer}
textarea.lyrics{width:100%;min-height:220px;border-radius:14px;border:1px solid var(--line);background:#120d29;padding:12px;font-size:16px;line-height:1.5}
input.txt{width:100%;font-size:18px;padding:12px;border-radius:14px;border:1px solid var(--line);background:#120d29;min-height:50px}
.capos{display:flex;flex-direction:column;gap:8px}
.capo{display:flex;align-items:center;gap:12px;text-align:left;background:var(--card2);border:2px solid var(--line);border-radius:16px;padding:10px 14px;color:var(--fg);min-height:64px}
.capo.sel{border-color:var(--mint);background:linear-gradient(90deg,#3ee0a122,var(--card2))}
.capo b{font-size:17px}.capo .sh{font-size:18px;font-weight:800;letter-spacing:.3px}
.capo .stars{margin-left:auto;color:var(--yel);white-space:nowrap}
/* toast */
.toast{position:fixed;left:50%;bottom:calc(100px + var(--sab));transform:translateX(-50%);z-index:95;background:#fff;color:#1a1030;border-radius:18px;padding:10px 12px 10px 18px;display:flex;gap:12px;align-items:center;box-shadow:0 10px 30px #0008;font-weight:650;max-width:92vw}
.toast button{background:#1a1030;color:#fff;border:0;border-radius:12px;padding:8px 14px;min-height:42px;font-weight:800}
/* tour */
.tour{text-align:center}.tour .e{font-size:64px;margin:6px 0}.tour h2{font-size:24px;margin:4px 0 8px}.tour p{font-size:17px;color:var(--mut);margin:0 0 14px}
.dots{display:flex;gap:6px;justify-content:center;margin:10px 0}.dots i{width:10px;height:10px;border-radius:50%;background:#ffffff33}.dots i.on{background:var(--yel)}
.warn{background:#ffd16622;border:1px solid #ffd16655;border-radius:14px;padding:10px 12px;margin:8px 0}
.pausedhint{position:fixed;top:calc(70px + var(--sat));left:50%;transform:translateX(-50%);z-index:45;background:#000a;border-radius:16px;padding:6px 14px;font-weight:700;pointer-events:none}
@media print{.top,.dock,.banner{display:none}.bar{border:1px solid #999;color:#000;background:#fff}body{background:#fff;color:#000}}
@media (max-width:420px){.top .btn.ghost{padding:10px 8px}.brand{font-size:18px}}