:root{
  --bg:#f4fafb; --bg2:#eaf6f8; --surface:#ffffff;
  --ink:#0d2b31; --ink-soft:#3d5a61; --muted:#6e8a91; --faint:#9db4ba;
  --hair:#e2eef1; --hair-2:#eef5f7;
  --accent:#06b6d4; --accent-2:#0891b2; --accent-ink:#035e6e;
  --accent-soft:#e0f7fb; --accent-soft-2:#f3fbfd;
  --ok:#0e9f96; --ok-soft:#dcf6f2; --warn:#c2670a; --warn-soft:#fdf0db;
  --shadow:0 2px 4px rgba(8,46,54,.04), 0 14px 34px -14px rgba(8,46,54,.20);
  --r:16px; --r-sm:11px; --r-pill:999px; --maxw:880px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; font-family:var(--sans); color:var(--ink); font-size:16px; line-height:1.6;
  background:var(--bg); -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.bg{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(820px 480px at 10% -10%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(760px 460px at 102% -4%, #e6f4fb 0%, transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg) 40%);
}
body::before{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:50px 22px 96px; }

.masthead{ margin:6px 0 28px; }
.mark{ display:flex; align-items:center; gap:13px; }
.mark .note{ color:var(--accent); font-size:30px; line-height:1; transform:translateY(-1px); }
.masthead h1{
  margin:0; font-size:42px; font-weight:700; letter-spacing:-.025em; line-height:1;
  background:linear-gradient(165deg,var(--ink),#15454e); -webkit-background-clip:text;
  background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
}
.tagline{ margin:11px 0 0 43px; color:var(--muted); font-size:14.5px; letter-spacing:.01em; }

.card{
  background:var(--surface); border:1px solid var(--hair); border-radius:var(--r);
  padding:24px; box-shadow:var(--shadow); margin-bottom:18px;
}

.login{ max-width:390px; margin:34px auto; }
.login h2{ margin:0 0 18px; font-size:19px; font-weight:600; letter-spacing:-.01em; }

.field{ display:block; margin-bottom:15px; }
.field .label{
  display:block; font-size:11.5px; font-weight:600; letter-spacing:.07em;
  text-transform:uppercase; color:var(--muted); margin-bottom:7px;
}
input, textarea{
  width:100%; font:inherit; color:var(--ink); background:var(--accent-soft-2);
  border:1px solid var(--hair); border-radius:var(--r-sm); padding:11px 13px;
  transition:border-color .15s, box-shadow .15s, background .15s;
}
textarea{ resize:vertical; min-height:98px; line-height:1.5; }
input::placeholder, textarea::placeholder{ color:var(--faint); }
input:focus, textarea:focus{
  outline:none; border-color:var(--accent); background:#fff;
  box-shadow:0 0 0 4px rgba(6,182,212,.15);
}
input[type=file]{ padding:8px 11px; background:#fff; cursor:pointer; }
input[type=file]::file-selector-button{
  font:inherit; font-weight:600; margin-right:13px; cursor:pointer; color:var(--accent-ink);
  background:var(--accent-soft); border:1px solid transparent; border-radius:8px;
  padding:7px 14px; transition:background .15s;
}
input[type=file]::file-selector-button:hover{ background:#ccecf3; }

.controls{ display:flex; gap:13px; align-items:flex-end; }
.controls + .controls{ margin-top:15px; }
.grow{ flex:1; margin-bottom:0; }

.btn{
  font:inherit; font-weight:600; cursor:pointer; border-radius:var(--r-sm);
  padding:11px 19px; border:1px solid transparent; white-space:nowrap;
  transition:transform .12s ease, box-shadow .18s, background .18s, border-color .18s, color .18s;
}
.btn:active{ transform:translateY(1px); }
.btn.primary{
  color:#fff; background:linear-gradient(180deg,#0cc6dd,var(--accent));
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset, 0 9px 20px -9px rgba(6,182,212,.7);
}
.btn.primary:hover{ background:linear-gradient(180deg,#17d2e8,var(--accent-2)); box-shadow:0 12px 24px -9px rgba(6,182,212,.85); }
.btn.ghost{ color:var(--accent-ink); background:#fff; border-color:var(--hair); }
.btn.ghost:hover{ border-color:var(--accent); background:var(--accent-soft-2); }
.btn .arr{ display:inline-block; transition:transform .18s; }
.btn.primary:hover .arr{ transform:translateX(3px); }

.status{
  display:flex; align-items:center; gap:11px; margin:2px 2px 18px;
  color:var(--ink-soft); font-size:14.5px; font-weight:500;
}
.status .dots{ display:inline-flex; gap:4px; }
.status .dots i{ width:7px; height:7px; border-radius:50%; background:var(--accent); display:block; animation:bounce 1.1s infinite ease-in-out; }
.status .dots i:nth-child(2){ animation-delay:.15s; }
.status .dots i:nth-child(3){ animation-delay:.3s; }
@keyframes bounce{ 0%,80%,100%{ transform:scale(.5); opacity:.4 } 40%{ transform:scale(1); opacity:1 } }

.results-head{
  display:grid; grid-template-columns:1fr 1fr; gap:20px; padding:0 4px 12px;
  border-bottom:1px solid var(--hair); font-size:11.5px; font-weight:700;
  letter-spacing:.08em; text-transform:uppercase; color:var(--faint);
}
.results-head .tr-head{ display:flex; align-items:center; gap:10px; }
.seg{ display:inline-flex; border:1px solid var(--hair); border-radius:var(--r-pill); overflow:hidden; }
.seg button{
  font:inherit; font-size:11px; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
  border:0; background:#fff; color:var(--muted); padding:4px 11px; cursor:pointer;
  transition:background .15s, color .15s;
}
.seg button.on{ background:var(--accent); color:#fff; }
.line{
  display:grid; grid-template-columns:1fr 1fr; gap:20px; padding:13px 4px;
  border-bottom:1px solid var(--hair-2); animation:rise .45s both;
}
.line:last-of-type{ border-bottom:none; }
.cell{ display:flex; flex-wrap:wrap; align-items:baseline; gap:8px; }
.cell .txt{ flex:1; min-width:60%; }
.cell.tr .txt i{ color:var(--ink-soft); }
.cell .empty{ color:var(--faint); }
.cell .lang{
  font-size:10px; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  color:var(--accent-ink); background:var(--accent-soft); border-radius:5px; padding:2px 6px;
  align-self:flex-start;
}
.syl{
  flex:none; font-family:var(--mono); font-size:11.5px; font-weight:600; letter-spacing:.02em;
  color:var(--muted); background:var(--hair-2); border:1px solid var(--hair);
  border-radius:var(--r-pill); padding:2px 9px; white-space:nowrap; align-self:center;
}
.syl.ok{ color:var(--ok); background:var(--ok-soft); border-color:transparent; }
.syl.off{ color:var(--warn); background:var(--warn-soft); border-color:transparent; }
.syl .delta{ font-weight:700; }
.syl.mini{ padding:1px 7px; }
.flag{
  display:inline-block; color:var(--warn); font-weight:700; cursor:help; background:var(--warn-soft);
  border-radius:50%; width:18px; height:18px; line-height:18px; text-align:center; font-size:12px;
}
.alts{ color:var(--faint); font-size:13px; font-style:italic; }
.legend{ margin:15px 4px 0; color:var(--muted); font-size:12.5px; line-height:1.7; }
.legend .syl{ vertical-align:middle; }

.research h3{
  margin:18px 0 8px; font-size:12.5px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:var(--accent-ink);
}
.research h3:first-child{ margin-top:0; }
.research ul{ margin:0 0 4px; padding-left:20px; }
.research li{ margin:5px 0; }
.research p{ margin:0 0 8px; color:var(--ink-soft); }
.research a{ color:var(--accent-2); text-decoration:none; border-bottom:1px solid var(--accent-soft); }
.research a:hover{ border-bottom-color:var(--accent); }

.downloads{ margin-top:2px; }
.dl-row{ display:flex; flex-wrap:wrap; gap:9px; margin-bottom:14px; }
.chip{
  display:inline-flex; align-items:center; gap:7px; text-decoration:none; font-size:13px;
  font-weight:600; color:var(--ink-soft); background:#fff; border:1px solid var(--hair);
  border-radius:var(--r-pill); padding:7px 15px;
  transition:border-color .15s, color .15s, background .15s, transform .12s;
}
.chip:hover{ color:var(--accent-ink); border-color:var(--accent); background:var(--accent-soft-2); transform:translateY(-1px); }
.chip .dlic{ color:var(--accent); font-weight:700; }

.err{ color:#c0392b; font-size:14px; margin:11px 0 0; }

.reveal{ animation:rise .5s both; }
@keyframes rise{ from{ opacity:0; transform:translateY(10px); } to{ opacity:1; transform:none; } }

@media (max-width:640px){
  .wrap{ padding:32px 16px 72px; }
  .masthead h1{ font-size:33px; }
  .tagline{ margin-left:0; }
  .controls{ flex-direction:column; align-items:stretch; }
  .controls .btn{ width:100%; }
  .results-head{ display:none; }
  .line{ grid-template-columns:1fr; gap:6px; padding:15px 4px; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; }
}

.cell .txt[contenteditable]{ outline:none; border-bottom:1px dashed var(--hair); }
.cell .txt[contenteditable]:focus{ border-bottom-color:var(--accent); background:var(--accent-soft-2); }
.cell.edited .txt{ border-bottom-color:var(--accent); }
.revert{ font-size:11px; color:var(--muted); background:none; border:0; cursor:pointer; }
.revert:hover{ color:var(--accent-ink); }
.chordrow{ grid-column:1 / -1; font-family:var(--mono); font-size:12px; color:var(--accent-ink); width:100%;
  background:none; border:0; border-bottom:1px dashed var(--hair); padding:2px 0; margin-bottom:2px; }
.chordrow:focus{ outline:none; border-bottom-color:var(--accent); }

.navbar{ display:flex; gap:8px; margin-bottom:16px; }
.navlink{ font:inherit; font-weight:600; font-size:13px; color:var(--muted); background:none; border:0;
  border-radius:var(--r-pill); padding:6px 14px; cursor:pointer; transition:background .15s,color .15s; }
.navlink.on{ background:var(--accent-soft); color:var(--accent-ink); }
.song-row{ display:flex; align-items:center; gap:12px; padding:11px 6px; border-bottom:1px solid var(--hair-2); }
.song-row:last-child{ border-bottom:none; }
.song-row .title{ flex:1; font-weight:600; cursor:pointer; }
.song-row .meta{ color:var(--muted); font-size:12.5px; }
.song-row .del{ color:var(--warn); background:none; border:0; cursor:pointer; font-size:13px; }
.empty-book{ color:var(--muted); padding:8px 6px; }

.editbar{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:14px; }
.editbar input{ width:auto; }
.editbar .sm{ max-width:120px; }
.btn.xs{ padding:3px 9px; }
.tr-group{ display:inline-flex; align-items:center; gap:6px; font-size:13px; color:var(--muted); }
.sectionrow{ grid-column:1 / -1; font-size:11px; font-weight:700; letter-spacing:.05em; text-transform:uppercase;
  color:var(--accent-ink); background:none; border:0; border-bottom:1px dashed transparent; width:100%; padding:1px 0; margin-top:6px; }
.sectionrow:focus{ outline:none; border-bottom-color:var(--accent); }
.setall{ font-size:12px; color:var(--muted); display:inline-flex; gap:6px; align-items:center; }
.setall .link{ background:none; border:0; color:var(--accent-ink); cursor:pointer; font:inherit; text-decoration:underline; }
.line.fin .sectlabel{ grid-column:1/-1; font-size:11px; font-weight:700; letter-spacing:.05em;
  text-transform:uppercase; color:var(--accent-ink); margin-top:6px; }
.chordrow-ro{ grid-column:1/-1; font-family:var(--mono); font-size:12px; color:var(--accent-ink); padding:2px 0; }

.line.cmp{ display:block; padding:14px 4px; border-bottom:1px solid var(--hair-2); }
.line.cmp .cands{ display:flex; flex-direction:column; gap:6px; margin-top:8px; }
.cand{ display:flex; align-items:baseline; gap:8px; padding:4px 8px; border-radius:var(--r-sm); cursor:pointer; }
.cand.chosen{ background:var(--accent-soft-2); }
.cand-key{ flex:none; font-size:10px; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color:var(--muted); width:64px; }
.cand-body{ flex:1; min-width:0; }
.cand .mine{ width:100%; }
.cand input[type=radio]{ flex:none; width:auto; margin:0; accent-color:var(--accent); }   /* override global input{width:100%} */

.prog{ flex:1; min-width:0; margin:2px 2px 18px; }   /* fill #status (a flex row) instead of shrink-wrapping */
.prog-row{ display:flex; justify-content:space-between; align-items:baseline;
  font-size:14px; font-weight:500; color:var(--ink-soft); margin-bottom:7px; }
.prog-row span:last-child{ color:var(--muted); font-variant-numeric:tabular-nums; }
.bar{ height:8px; border-radius:var(--r-pill); background:var(--hair-2); overflow:hidden; }
.bar-fill{ height:100%; width:0; border-radius:var(--r-pill);
  background:linear-gradient(90deg,#0cc6dd,var(--accent)); transition:width .4s ease; }
.prog.err .bar-fill{ background:var(--warn); }
.prog.err .prog-row span:last-child{ color:var(--warn); }
.saverow{ display:flex; justify-content:flex-end; margin-top:16px; padding-top:14px; border-top:1px solid var(--hair); }
.syl-slot{ display:inline-flex; }