.guitar-tool { width: 100%; min-width: 0; color: var(--ink); }
.guitar-controls { display: grid; grid-template-columns: 10rem 10rem minmax(0, 1fr); gap: 2rem; align-items: center; margin: 1.5rem 0 2rem; }
.guitar-selector { display: grid; justify-items: center; min-width: 0; gap: 0.5rem; }
.guitar-control-label { font: 500 0.875rem var(--cl-font-mono); color: var(--muted); }
.guitar-dial { width: min(100%, 10rem); aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; position: relative; cursor: grab; touch-action: none; background: radial-gradient(circle at 40% 35%, var(--cl-void-800), var(--cl-void-950)); }
.guitar-dial:active { cursor: grabbing; }
.guitar-dial svg { display: block; width: 100%; height: 100%; pointer-events: none; }
.guitar-dial-tick { stroke: var(--cl-aqua-600); stroke-width: 1; }
.guitar-dial-pointer { stroke: var(--cl-aqua-100); stroke-width: 3; }
.guitar-dial-value { position: absolute; inset: 27% 15%; display: grid; place-items: center; text-align: center; overflow-wrap: anywhere; font-size: 1rem; font-weight: 500; line-height: 1.3; pointer-events: none; }
.guitar-selector:first-child .guitar-dial-value { font: 400 2rem var(--cl-font-mono); }
.guitar-dial-arrows { display: flex; gap: 1.5rem; }
.guitar-button { min-width: 44px; min-height: 44px; padding: 0.5rem 0.875rem; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: var(--cl-void-900); font: 400 1rem var(--cl-font-sans); cursor: pointer; }
.guitar-button:hover { border-color: var(--cl-aqua-400); background: var(--cl-void-800); }
.guitar-button:focus-visible, .guitar-dial:focus-visible, .fretboard-scroll:focus-visible { outline: 2px solid var(--cl-aqua-200); outline-offset: 4px; }
.guitar-button[aria-pressed="true"] { color: var(--cl-aqua-100); border-color: var(--cl-aqua-200); background: var(--cl-void-800); }
.fretboard-settings { display: grid; gap: 1rem; min-width: 0; }
.guitar-scale-summary { font: 400 clamp(1.35rem, 3vw, 2rem) var(--cl-font-sans); }
.guitar-scale-tones { display: flex; flex-wrap: wrap; gap: 1rem; }
.guitar-scale-tones > span { display: grid; gap: 0.2rem; text-align: center; }
.guitar-scale-tones strong { font: 400 1.125rem var(--cl-font-mono); }
.guitar-scale-tones small { font: 400 0.875rem var(--cl-font-mono); color: var(--muted); }
.guitar-scale-tones .is-root strong { color: var(--cl-signal-lime); }
.guitar-toggles { justify-content: flex-start; flex-wrap: wrap; gap: 0.5rem; }
.guitar-toggles button { min-height: 44px; font-size: 0.875rem; }
.fretboard-scroll { max-width: 100%; overflow-x: auto; padding: 0.5rem 0 1rem; scrollbar-color: var(--cl-aqua-600) var(--cl-void-950); }
.guitar-fretboard { position: relative; width: 100%; min-width: calc(var(--fret-count) * 3.25rem); border-collapse: separate; border-spacing: 0; table-layout: fixed; font: 400 0.875rem var(--cl-font-mono); }
.guitar-fretboard th { font-weight: 400; }
.guitar-fretboard thead th { position: relative; height: 3rem; vertical-align: top; color: var(--muted); }
.guitar-fretboard .fret-position::after, .guitar-fretboard .fret-octave::after { content: "·"; position: absolute; top: 1.15rem; left: 0; right: 0; color: var(--cl-aqua-400); }
.guitar-fretboard .fret-octave::after { content: "··"; }
.guitar-fretboard td { text-align: center; height: 3.2rem; border-right: 1px solid var(--line); background: linear-gradient(transparent calc(50% - 0.5px), var(--line) calc(50% - 0.5px), var(--line) calc(50% + 0.5px), transparent calc(50% + 0.5px)); }
.guitar-fretboard .open-string { border-right: 3px solid var(--cl-aqua-600); }
.guitar-string-name { position: sticky; left: 0; z-index: 1; color: var(--cl-aqua-100); background: var(--cl-void-950); box-shadow: 1px 0 var(--line); }
.fret-note { display: inline-grid; place-items: center; width: 2.15rem; height: 2.15rem; border: 1px solid var(--cl-aqua-600); border-radius: 50%; background: var(--cl-void-900); color: var(--ink); }
.fret-note.is-root { color: var(--cl-signal-lime); border: 3px double var(--cl-signal-lime); background: var(--cl-void-800); font-weight: 500; }
.fretboard-legend { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1rem; font-size: 0.875rem; color: var(--muted); }
.fretboard-scroll-hint { display: none; }
.tuner-tool { max-width: 48rem; margin: 1.5rem auto 0; text-align: center; }
.tuner-strings { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.5rem; }
.tuner-strings button { font: 400 1rem var(--cl-font-mono); }
.tuner-strings .is-detected { text-decoration: underline; text-underline-offset: 0.3em; }
.tuner-meter { width: 100%; max-width: 40rem; margin: 0.5rem auto 0; }
.tuner-meter svg { display: block; width: 100%; overflow: visible; }
.tuner-meter text { fill: var(--muted); font: 400 17px var(--cl-font-mono); }
.tuner-arc { fill: none; stroke: var(--cl-aqua-600); stroke-width: 1; }
.tuner-tick { stroke: var(--cl-aqua-400); stroke-width: 1; }
.tuner-zero { stroke: var(--cl-signal-lime); stroke-width: 3; }
.tuner-needle { stroke: var(--cl-aqua-100); stroke-width: 2; }
.tuner-hub { fill: var(--cl-aqua-100); }
.tuner-readout { display: grid; justify-items: center; gap: 0.35rem; font-family: var(--cl-font-mono); font-variant-numeric: tabular-nums; }
.tuner-note { color: var(--cl-aqua-100); font-size: clamp(3rem, 9vw, 5rem); font-weight: 400; line-height: 1.1; }
.tuner-cents { min-height: 1.5rem; font-size: 1.125rem; }
.tuner-frequency { color: var(--muted); font-size: 0.875rem; }
.tuner-tool.is-in-tune .tuner-note, .tuner-tool.is-in-tune .tuner-cents { color: var(--cl-signal-lime); }
.tuner-tool.is-in-tune .tuner-needle { stroke: var(--cl-signal-lime); }
.tuner-start { margin-top: 1.5rem; border-color: var(--cl-aqua-400); }
.tuner-status { min-height: 1.5em; margin: 1rem auto 0; max-width: 40rem; font-size: 1rem; color: var(--muted); }
.tuner-status.is-error { color: var(--cl-error); }
.guitar-fine-print { margin-top: 0.75rem; color: var(--muted); font-size: 0.875rem; }
@media (max-width: 800px) {
  .guitar-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .fretboard-settings { grid-column: 1 / -1; }
  .fretboard-scroll-hint { display: inline; }
}
@media (max-width: 420px) {
  .guitar-dial { width: min(100%, 8rem); }
  .guitar-dial-value { font-size: 0.875rem; inset: 23% 15%; }
  .guitar-dial-arrows { gap: 1rem; }
  .tuner-strings { gap: 0.3rem; }
  .tuner-strings button { padding-inline: 0.5rem; }
}