:root{
  --bg:#0b1020;
  --card:#0f1730;
  --card2:#0c1328;
  --ink:#e8ecff;
  --muted:rgba(232,236,255,.72);
  --line:rgba(232,236,255,.12);
  --accent:#6ea8ff;
  --accent2:#8cffd0;
  --danger:#ff6b6b;
  --shadow: 0 22px 55px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"DM Sans",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 700px at 15% 10%, rgba(110,168,255,.20), transparent 60%),
              radial-gradient(900px 550px at 85% 20%, rgba(140,255,208,.13), transparent 55%),
              var(--bg);
  color:var(--ink);
}

.wrap{
  width:min(1060px, calc(100% - 44px));
  margin:0 auto;
  padding:36px 0 42px;
}

.hero{
  display:flex;
  gap:24px;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:22px;
}

.kicker{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:10px;
}

h1{
  margin:0 0 10px;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  line-height:1.05;
  letter-spacing:-0.02em;
}

.sub{
  margin:0;
  color:var(--muted);
  max-width:62ch;
}

.controls{
  display:grid;
  grid-template-columns: 180px 160px 1fr;
  gap:12px;
  align-items:end;
  min-width:min(560px, 100%);
}

.field{display:flex; flex-direction:column; gap:8px;}
.label{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
}

.select{
  appearance:none;
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.86));
  border:1px solid var(--line);
  color:#000;
  padding:12px 12px;
  border-radius:12px;
  outline:none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}

/* Ensure option text is black in dropdown list */
select.select option{
  color:#000;
}

.fieldWide{ grid-column: 1 / -1; }

.labelValue{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.72rem;
  letter-spacing:.08em;
  color:rgba(232,236,255,.78);
  margin-left:10px;
}

.range{
  width:100%;
  accent-color: var(--accent);
}

.btn{
  border:1px solid rgba(110,168,255,.35);
  background: linear-gradient(180deg, rgba(110,168,255,.24), rgba(110,168,255,.10));
  color:var(--ink);
  padding:12px 14px;
  border-radius:12px;
  cursor:pointer;
  font-weight:600;
  letter-spacing:.01em;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(110,168,255,.6); }
.btn:active{ transform: translateY(0); }
.btn[disabled]{opacity:.55; cursor:not-allowed; transform:none;}

.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px 18px 16px;
  box-shadow: var(--shadow);
}

.panelHead{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:4px 6px 14px;
  border-bottom: 1px solid rgba(232,236,255,.08);
  margin-bottom:14px;
}

.titleRow{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.panelTitle{ margin:0; font-size:1.15rem; letter-spacing:-0.01em; }
.panelSub{ margin:6px 0 0; color:var(--muted); }

.pill{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.72rem;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(232,236,255,.16);
  color:rgba(232,236,255,.85);
  background: rgba(0,0,0,.15);
}

.legend{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  user-select:none;
  flex-wrap:wrap;
  margin-top:2px;
}

.dot{
  width:10px; height:10px; border-radius:50%;
  display:inline-block;
  border:1px solid rgba(255,255,255,.15);
}
.dot.maj{ background: rgba(110,168,255,.9); }
.dot.min{ background: rgba(140,255,208,.9); }
.dot.dim{ background: rgba(255,107,107,.9); }
.legendLabel{ font-size:.9rem; }

.chordGrid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:10px;
  padding: 4px 2px 2px;
}

.chordBtn{
  border:1px solid rgba(232,236,255,.12);
  background: radial-gradient(900px 260px at 20% 0%, rgba(255,255,255,.06), transparent 45%),
              rgba(0,0,0,.12);
  color:var(--ink);
  border-radius:14px;
  padding:14px 12px;
  text-align:left;
  cursor:pointer;
  transition: transform .14s ease, border-color .14s ease, background .14s ease;
  min-height:72px;
}
.chordBtn:hover{ transform: translateY(-1px); border-color: rgba(232,236,255,.22); }
.chordBtn:active{ transform: translateY(0); }
.chordBtn:focus-visible{ outline:2px solid rgba(110,168,255,.7); outline-offset:2px; }
.chordBtn[disabled]{
  opacity:.55;
  cursor:not-allowed;
  transform:none;
}
.chordBtn[disabled]:hover{ transform:none; border-color: rgba(232,236,255,.12); }

.chordName{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  font-size:1.05rem;
  letter-spacing:-0.01em;
}
.qualityTag{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.72rem;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.85);
  background: rgba(255,255,255,.04);
}
.qualityTag.maj{ border-color: rgba(110,168,255,.45); }
.qualityTag.min{ border-color: rgba(140,255,208,.45); }
.qualityTag.dim{ border-color: rgba(255,107,107,.45); }

.chordNotes{
  margin-top:8px;
  color:var(--muted);
  font-size:.95rem;
}

.variants{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
}

.chip{
  border:1px solid rgba(232,236,255,.14);
  background: rgba(255,255,255,.04);
  color: rgba(232,236,255,.9);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .82rem;
  cursor: pointer;
  transition: border-color .14s ease, transform .14s ease, background .14s ease;
  position:relative;
}
.chip:hover{ transform: translateY(-1px); border-color: rgba(232,236,255,.26); }
.chip:active{ transform: translateY(0); }
.chip[disabled]{ opacity:.5; cursor:not-allowed; transform:none; }
.chip[disabled]:hover{ transform:none; border-color: rgba(232,236,255,.14); }

.chordTip{
  position:absolute;
  left:0;
  bottom: calc(100% + 10px);
  width: 180px;
  padding:10px 10px 8px;
  border-radius:14px;
  border: 1px solid rgba(232,236,255,.14);
  background: rgba(10,15,30,.96);
  box-shadow: 0 18px 45px rgba(0,0,0,.55);
  display:none;
  z-index:50;
}
.chordTip::after{
  content:"";
  position:absolute;
  left:16px;
  top:100%;
  width:0;height:0;
  border-left:8px solid transparent;
  border-right:8px solid transparent;
  border-top:10px solid rgba(10,15,30,.96);
  filter: drop-shadow(0 -1px 0 rgba(232,236,255,.12));
}
.chip:hover .chordTip,
.chip:focus-visible .chordTip{
  display:block;
}
.tipTitle{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.72rem;
  letter-spacing:.08em;
  color: rgba(232,236,255,.78);
  margin-bottom:8px;
}
.tipSvg{
  display:block;
  width:100%;
  height:auto;
}

.foot{
  margin-top:14px;
  padding: 8px 4px 0;
  color:var(--muted);
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
}
.mono{
  font-family:"DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.78rem;
}

@media (max-width: 900px){
  .hero{ flex-direction:column; align-items:flex-start; }
  .controls{ grid-template-columns: 1fr 1fr; min-width:0; width:100%; }
  .btn{ grid-column: 1 / -1; }
  .chordGrid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px){
  .chordGrid{ grid-template-columns: 1fr; }
}