:root {
  --bg: #07070a;
  --bg-2: #0e0d12;
  --panel: #121117;
  --panel-2: #18161e;
  --line: #2a2630;
  --line-2: #3a3440;
  --text: #d9d4cc;
  --muted: #8a8290;
  --bone: #e8e0cf;
  --blood: #b3121f;
  --blood-hi: #e0202f;
  --blood-dk: #5c0a10;
  --steel: #9aa3ad;
  --ebony-1: #1a1210;
  --ebony-2: #0f0a09;
  --radius: 4px;
  --font-logo: 'UnifrakturCook', 'Old English Text MT', serif;
  --font-head: 'Cinzel', 'Trajan Pro', Georgia, serif;
  --font-ui: 'Barlow Condensed', 'Arial Narrow', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background:
    radial-gradient(ellipse at 50% -10%, rgba(179, 18, 31, .18), transparent 55%),
    radial-gradient(ellipse at 100% 100%, rgba(80, 10, 20, .12), transparent 50%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 16px;
  letter-spacing: .02em;
  min-height: 100vh;
}

/* grain */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: .06;
  z-index: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

button, input, select { font-family: inherit; font-size: inherit; color: inherit; }

/* ===== Top bar ===== */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, #0b0a0e, rgba(11, 10, 14, .85));
}
.brand { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.logo {
  margin: 0;
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  color: var(--bone);
  letter-spacing: .01em;
  text-shadow: 0 0 18px rgba(224, 32, 47, .45), 0 2px 0 #000;
}
.tagline {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--blood-hi);
}

.icon-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 14px;
  transition: border-color .15s, color .15s, box-shadow .15s;
}
.icon-btn:hover { border-color: var(--blood); color: var(--bone); box-shadow: 0 0 12px rgba(179, 18, 31, .35); }

/* ===== Layout ===== */
.layout {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 24px 32px;
  max-width: 1900px;
  margin: 0 auto;
}

.panel {
  background: linear-gradient(to bottom, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03), 0 8px 30px rgba(0, 0, 0, .5);
}

h2 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0;
  color: var(--bone);
}

.input {
  width: 100%;
  background: #0a090d;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 8px 10px;
  outline: none;
}
.input:focus { border-color: var(--blood); box-shadow: 0 0 0 1px var(--blood-dk); }
select.input { cursor: pointer; }
select.input option { background: #0a090d; }

.btn {
  background: linear-gradient(to bottom, #8f0f19, #5c0a10);
  border: 1px solid var(--blood);
  color: var(--bone);
  padding: 8px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 600;
  white-space: nowrap;
  transition: box-shadow .15s, filter .15s;
}
.btn:hover { box-shadow: 0 0 16px rgba(224, 32, 47, .5); filter: brightness(1.15); }
.ghost-btn { background: transparent; border-color: var(--line-2); }

.link-btn {
  background: none; border: 0; padding: 0;
  color: var(--muted); cursor: pointer;
  text-transform: uppercase; letter-spacing: .1em; font-size: 12px;
}
.link-btn:hover { color: var(--blood-hi); }

/* segmented */
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; }
.seg button {
  background: #0a090d;
  border: 0;
  border-right: 1px solid var(--line-2);
  padding: 7px 14px;
  cursor: pointer;
  letter-spacing: .06em;
  color: var(--muted);
  transition: background .15s, color .15s;
}
.seg button:last-child { border-right: 0; }
.seg button:hover { color: var(--bone); }
.seg button.active { background: linear-gradient(to bottom, #8f0f19, #5c0a10); color: var(--bone); }

/* ===== Library ===== */
.library {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px;
  background: linear-gradient(to bottom, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: sticky; top: 18px;
  max-height: calc(100vh - 36px);
  min-height: 0;
}
.lib-head { display: flex; align-items: baseline; justify-content: space-between; }
.lib-head h2 { font-size: 18px; }
.count { color: var(--muted); font-size: 14px; }
.lib-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.styles-head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-head); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  margin-top: 4px;
}
.style-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  border: 1px solid var(--line-2);
  background: #0a090d;
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  text-transform: uppercase;
  transition: all .15s;
}
.chip:hover { color: var(--bone); border-color: var(--blood); }
.chip.active { background: var(--blood-dk); border-color: var(--blood-hi); color: var(--bone); box-shadow: 0 0 10px rgba(224, 32, 47, .3); }

.scale-list {
  list-style: none; margin: 4px 0 0; padding: 0 4px 0 0;
  overflow-y: auto;
  flex: 1; min-height: 120px;
  scrollbar-width: thin; scrollbar-color: var(--blood-dk) transparent;
}
.scale-list .cat-title {
  font-family: var(--font-head);
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--blood-hi);
  padding: 12px 6px 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2px;
}
.scale-item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  cursor: pointer;
  border-radius: 2px;
  transition: background .1s;
}
.scale-item:hover { background: rgba(255, 255, 255, .03); }
.scale-item.active { background: rgba(179, 18, 31, .14); border-left-color: var(--blood-hi); }
.scale-item .nm { font-size: 16px; color: var(--text); }
.scale-item.active .nm { color: var(--bone); }
.scale-item .sk { font-size: 11px; letter-spacing: -1px; white-space: nowrap; }
.empty { color: var(--muted); padding: 16px 8px; font-style: italic; }

/* skull rating */
.sk-on  { color: var(--blood-hi); }
.sk-off { color: #2e2a33; }

/* ===== Stage ===== */
.stage { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.controls { padding: 16px 18px; display: flex; flex-direction: column; gap: 14px; }
.control { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.control.grow { flex: 1; min-width: 200px; }
.control > label, .setting > label {
  font-family: var(--font-head); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted);
}
.hint { text-transform: none; letter-spacing: .02em; font-family: var(--font-ui); }
.control-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; }

.root-picker { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4px; }
.root-picker button {
  background: #0a090d;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 8px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  color: var(--muted);
  transition: all .12s;
}
.root-picker button:hover { color: var(--bone); border-color: var(--blood); }
.root-picker button.active {
  background: radial-gradient(circle at 50% 30%, var(--blood-hi), var(--blood-dk));
  color: #fff; border-color: var(--blood-hi);
  box-shadow: 0 0 14px rgba(224, 32, 47, .55);
}

.tuning-editor { display: flex; flex-wrap: wrap; gap: 6px; }
.tstring {
  display: flex; align-items: center;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: #0a090d;
  overflow: hidden;
}
.tstring button {
  background: transparent; border: 0; color: var(--muted);
  width: 26px; height: 32px; cursor: pointer; font-size: 15px;
}
.tstring button:hover { color: var(--blood-hi); background: rgba(179, 18, 31, .1); }
.tstring span { min-width: 40px; text-align: center; font-weight: 600; color: var(--bone); font-size: 15px; }
.tstring span sub { color: var(--muted); font-weight: 400; font-size: 10px; }

/* ===== Scale info ===== */
.scale-info { padding: 16px 20px; }
.scale-title-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.scale-title-row h2 { font-size: 26px; text-shadow: 0 0 14px rgba(224, 32, 47, .25); }
.skulls { font-size: 16px; letter-spacing: 1px; }
.alt { margin: 4px 0 12px; color: var(--muted); font-style: italic; }
.notes-row { display: flex; flex-wrap: wrap; gap: 8px; }
.note-chip {
  display: flex; flex-direction: column; align-items: center;
  min-width: 52px;
  padding: 6px 8px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  background: #0a090d;
}
.note-chip b { font-size: 20px; color: var(--bone); font-weight: 600; }
.note-chip small { font-size: 13px; color: var(--muted); }
.note-chip.root { border-color: var(--blood-hi); background: rgba(179, 18, 31, .18); box-shadow: 0 0 10px rgba(224, 32, 47, .25); }
.desc { margin: 14px 0 10px; line-height: 1.45; font-size: 17px; max-width: 90ch; }
.tags { display: flex; flex-wrap: wrap; gap: 5px; }

/* ===== Fretboard ===== */
.board-wrap { padding: 14px 10px 8px; }
.board-scroll { overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--blood-dk) transparent; }
#fretboard { display: block; }
.board-hint { margin: 6px 8px 2px; color: var(--muted); font-size: 13px; }

#fretboard .note { cursor: pointer; }
#fretboard .note:hover circle { stroke: #fff; stroke-width: 2; }
#fretboard text { font-family: var(--font-ui); pointer-events: none; user-select: none; }

/* ===== Drawer ===== */
.drawer-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .6); z-index: 20; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(380px, 100%);
  z-index: 21;
  background: linear-gradient(to bottom, #15131a, #0c0b0f);
  border-left: 1px solid var(--blood-dk);
  box-shadow: -10px 0 40px rgba(0, 0, 0, .7);
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 18px;
  overflow-y: auto;
  transform: translateX(105%);
  transition: transform .25s ease;
}
.drawer.open { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; }
.drawer-head h2 { font-size: 20px; }
.setting { display: flex; flex-direction: column; gap: 8px; }
.check { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 16px; }
.check input { accent-color: var(--blood); width: 17px; height: 17px; }
input[type=range] { accent-color: var(--blood); width: 100%; }

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .layout { grid-template-columns: 1fr; padding: 12px 16px 24px; }
  .library { position: static; max-height: 460px; }
}
@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .logo { font-size: 32px; }
  .tagline { letter-spacing: .2em; font-size: 11px; }
  .icon-btn span { display: none; }
  .root-picker { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .scale-title-row h2 { font-size: 20px; }
}

#fretboard .note.flash circle { stroke: #fff; stroke-width: 3; filter: url(#glow); }
.skulls, .scale-item .sk { font-family: 'Segoe UI Symbol', 'Noto Sans Symbols', 'DejaVu Sans', sans-serif; }
.skulls { font-size: 22px; }
.scale-item .sk { font-size: 15px; letter-spacing: 0; }

/* ===== Accords ===== */
.chords, .progression, .suggestions { padding: 16px 20px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.section-head h2 { font-size: 20px; }
.sub { margin: 6px 0 14px; color: var(--muted); font-size: 15px; }
.sub b { color: var(--bone); }

.degree-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.degree-col { border: 1px solid var(--line); border-radius: var(--radius); background: #0b0a0e; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.degree-col.tonic { border-color: var(--blood-dk); }
.degree-head { display: flex; justify-content: space-between; align-items: baseline; padding: 0 2px 4px; border-bottom: 1px solid var(--line); }
.degree-head .rn { font-family: var(--font-head); font-weight: 700; color: var(--blood-hi); font-size: 17px; }
.degree-head .nt { color: var(--bone); font-weight: 600; font-size: 17px; }
.degree-none { color: #4d4752; font-size: 13px; font-style: italic; }

.chord-chip {
  display: flex; align-items: stretch;
  border: 1px solid var(--line-2); border-radius: 3px;
  background: #121017;
  overflow: hidden;
}
.chord-chip.active { border-color: var(--blood-hi); box-shadow: 0 0 10px rgba(224, 32, 47, .35); background: rgba(179, 18, 31, .18); }
.chord-chip .cc-main {
  flex: 1; text-align: left;
  background: none; border: 0; cursor: pointer;
  padding: 5px 8px; display: flex; justify-content: space-between; align-items: baseline; gap: 6px;
}
.chord-chip .cc-main:hover { background: rgba(255, 255, 255, .04); }
.chord-chip .cn { color: var(--bone); font-weight: 600; font-size: 16px; }
.chord-chip .cr { color: var(--muted); font-size: 12px; }
.chord-chip .cc-add {
  background: none; border: 0; border-left: 1px solid var(--line-2);
  width: 30px; cursor: pointer; color: var(--muted); font-size: 17px; font-weight: 700;
}
.chord-chip .cc-add:hover { color: #fff; background: var(--blood-dk); }

/* ===== Progression ===== */
.prog-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bpm { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; letter-spacing: .15em; }
.bpm .input { width: 74px; padding: 6px 8px; }
.prog-track { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; min-height: 64px; align-items: stretch; }
.prog-empty { color: var(--muted); font-style: italic; align-self: center; }
.prog-item {
  position: relative;
  min-width: 92px;
  border: 1px solid var(--line-2); border-radius: var(--radius);
  background: linear-gradient(to bottom, #17141c, #0d0c10);
  padding: 8px 26px 8px 12px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 2px;
  transition: border-color .12s, box-shadow .12s;
}
.prog-item:hover { border-color: var(--blood); }
.prog-item.playing, .prog-item.active { border-color: var(--blood-hi); box-shadow: 0 0 16px rgba(224, 32, 47, .45); background: linear-gradient(to bottom, #3a0b10, #17080a); }
.prog-item .cn { color: var(--bone); font-size: 20px; font-weight: 600; }
.prog-item .cr { color: var(--muted); font-size: 13px; }
.prog-item .rm { position: absolute; top: 2px; right: 4px; background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 14px; padding: 2px 4px; }
.prog-item .rm:hover { color: var(--blood-hi); }
.prog-item .mv { display: flex; gap: 2px; margin-top: 4px; }
.prog-item .mv button { background: none; border: 1px solid var(--line); color: var(--muted); font-size: 11px; cursor: pointer; padding: 0 5px; border-radius: 2px; }
.prog-item .mv button:hover { color: var(--bone); border-color: var(--blood); }
.borrowed { outline: 1px dashed #8a5cc4; outline-offset: -3px; }
.borrowed-mark { color: #b48ae8; }

/* ===== Suggestions ===== */
.check.small { font-size: 14px; color: var(--muted); }
.sug-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; }
.sug-card { border: 1px solid var(--line); border-radius: var(--radius); background: #0b0a0e; padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.sug-card.match { border-color: var(--blood-dk); }
.sug-top { display: flex; flex-direction: column; gap: 2px; }
.sug-card h3 { margin: 0; font-family: var(--font-head); font-size: 15px; letter-spacing: .1em; text-transform: uppercase; color: var(--bone); }
.sug-rn { font-family: var(--font-head); color: var(--blood-hi); font-size: 14px; }
.sug-chords { font-size: 19px; color: var(--bone); font-weight: 600; }
.sug-desc { color: var(--muted); font-size: 14px; margin: 0; }
.sug-actions { display: flex; gap: 6px; margin-top: 4px; }
.sug-actions .btn { padding: 5px 12px; font-size: 13px; }
.sug-card .tags .chip { font-size: 11px; padding: 1px 6px; cursor: default; }

#fretboard .note.chord-tone circle { stroke: #fff; stroke-width: 2.4; }

/* ===== Onglets ===== */
.pane-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--blood-dk); margin-bottom: -8px; }
.pane-tabs button {
  background: transparent; border: 1px solid transparent; border-bottom: 0;
  padding: 10px 20px; cursor: pointer;
  font-family: var(--font-head); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: 14px;
  color: var(--muted); border-radius: var(--radius) var(--radius) 0 0;
}
.pane-tabs button:hover { color: var(--bone); }
.pane-tabs button.active { color: var(--bone); border-color: var(--blood-dk); background: linear-gradient(to bottom, #2a0a0e, var(--panel-2)); box-shadow: 0 -4px 14px rgba(179, 18, 31, .2); }
[data-pane][hidden] { display: none !important; }

/* ===== Harmonisation ===== */
.harm { padding: 16px 20px; }
.harm-settings { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; align-items: flex-end; }
.harm-settings .control select { min-width: 220px; }
.tab-toolbar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 12px; }
.tab-toolbar .btn { padding: 5px 12px; font-size: 13px; }

.tab-scroll {
  overflow-x: auto;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #0a090d;
  padding: 10px 12px 12px;
  scrollbar-width: thin; scrollbar-color: var(--blood-dk) transparent;
}
.tab-label { font-family: var(--font-head); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--blood-hi); margin: 4px 0 4px; position: sticky; left: 0; }
.tab-grid { display: grid; width: max-content; outline: none; font-variant-numeric: tabular-nums; }
.tab-grid.editable:focus-visible { box-shadow: 0 0 0 1px var(--blood-dk); }
.tab-grid .sn {
  position: sticky; left: 0; z-index: 1;
  background: #0a090d;
  color: var(--muted); font-weight: 700; font-size: 14px;
  width: 34px; height: 24px; line-height: 24px; text-align: right; padding-right: 8px;
}
.tc {
  width: 34px; height: 24px; line-height: 24px; text-align: center;
  font-size: 16px; font-weight: 700; color: var(--bone);
  background: linear-gradient(to bottom, transparent 11.5px, #4a4350 11.5px, #4a4350 12.5px, transparent 12.5px);
  cursor: default; user-select: none;
}
.tc span { background: #0a090d; padding: 0 3px; border-radius: 2px; }
.editable .tc { cursor: pointer; }
.tc.col-cur { background-color: rgba(179, 18, 31, .10); }
.tc.sel { box-shadow: inset 0 0 0 2px var(--blood-hi); border-radius: 3px; }
.tab-grid:not(:focus) .tc.sel { box-shadow: inset 0 0 0 1px var(--blood); }
.tc.playing { background-color: rgba(224, 32, 47, .3); }
.tc.out span { color: #c9a6ff; }
.tc.unreach span { color: var(--blood-hi); }
.tc.g2 span { color: #7fe3ef; }
.tc.g2.out span { color: #c9a6ff; }

.tab-info { display: grid; width: max-content; margin: 6px 0 4px; }
.ti { width: 34px; text-align: center; font-size: 11px; line-height: 1.25; color: var(--muted); padding: 2px 0; }
.ti b { display: block; color: var(--bone); font-size: 12px; }
.ti i { display: block; font-style: normal; color: var(--blood-hi); font-weight: 700; }
.ti em { display: block; font-style: normal; color: #7fe3ef; font-size: 12px; font-weight: 600; }
.ti.col-cur { background: rgba(179, 18, 31, .10); }
.ti.sn { position: sticky; left: 0; background: #0a090d; width: 34px; }

.keys { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 10px 0 6px; }
.keys b { color: var(--bone); font-weight: 600; }
.tab-import summary { cursor: pointer; color: var(--muted); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-top: 6px; }
.tab-import summary:hover { color: var(--bone); }
.tab-import textarea { margin-top: 8px; font-family: Consolas, 'Courier New', monospace; font-size: 14px; resize: vertical; white-space: pre; }