.filter-toolbar{display:flex;align-items:center;gap:18px;margin:20px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.filter-menu{position:relative;flex:none}.filter-menu summary{display:flex;align-items:center;gap:18px;list-style:none;border:1px solid #53657e;background:#17263a;border-radius:8px;padding:12px 16px;min-height:48px;font-weight:700}.filter-menu summary::-webkit-details-marker{display:none}.filter-menu summary:after{content:'⌄';color:var(--muted)}.filter-menu[open] summary{border-color:var(--fifth)}
.filter-count{font-size:.75rem;font-weight:500;color:var(--muted)}.filter-selection{font-size:.8rem;color:var(--muted);line-height:1.7}
.filter-popover{position:absolute;top:calc(100% + 8px);left:0;width:320px;max-width:calc(100vw - 64px);z-index:30;padding:12px;background:#152237;border:1px solid #53657e;border-radius:12px;box-shadow:0 16px 36px #0008}.filter-popover fieldset{border:0;margin:0;padding:4px}.filter-popover fieldset+fieldset{border-top:1px solid var(--line);margin-top:8px;padding-top:12px}.filter-popover legend{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:#a6b5ca;padding:6px}.filter-popover .tone-toggle{font-size:.875rem;padding:4px 8px;border-radius:6px;min-height:42px}.filter-popover .tone-toggle:hover{background:#294860}
.progression-controls{display:grid;grid-template-columns:minmax(260px,2fr) minmax(160px,1fr) minmax(160px,1fr);align-items:start;gap:16px}.progression-controls label,.progression-choice{min-width:0}.progression-panel{min-width:1080px;padding:24px 0 16px}.progression-panel svg{height:386px;width:100%;display:block}.progression #progression-parent{font-size:.875rem;line-height:1.7;color:var(--muted);max-width:950px}.workspace .legend{font-size:.8rem;gap:12px 20px}.progression .micro{font-size:.8rem}
@media(max-width:850px){.progression-controls{grid-template-columns:1fr 1fr}.progression-choice{grid-column:1/-1}.filter-toolbar{align-items:flex-start;flex-direction:column;gap:10px}.filter-selection{max-width:100%}}

.scale-reference button.scale-note{font:inherit;cursor:pointer;transition:filter .15s,transform .15s}.scale-reference button.scale-note:hover{filter:brightness(1.25);transform:translateY(-2px)}.scale-reference button.scale-note:focus-visible{outline:3px solid var(--fifth);outline-offset:3px}
.scale-reference button.scale-note:not(.pentatonic){background:transparent;border-color:#b794f6;color:#d9c6ff}.scale-reference button.scale-note.pentatonic{background:#294860;border-color:#6ca5cb;color:#fff;font-weight:650}

.progression-detail{border-top:1px solid var(--line);margin-top:20px;padding:24px 0}.progression-detail .micro{margin-bottom:0}.progression-detail .triad-area .micro{color:var(--muted)}

.controls + .scale-reference{margin-top:26px}

.mini-tone{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:30px;border-radius:6px;margin-right:7px;color:#091321;font-weight:800;font-size:13px}.mini-triad{display:block;width:285px;max-width:100%;height:auto}.mini-triad-list{display:flex;flex-wrap:wrap;gap:16px}.mini-triad-card>strong{display:block;color:var(--muted);font-size:.8rem;margin-bottom:8px}.mini-triad-card{min-width:110px}

.note-opacity-control{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}.note-opacity-control input{width:135px;accent-color:var(--fifth)}.note-opacity-control output{min-width:35px;font-variant-numeric:tabular-nums}.filter-selection[hidden]{display:none}

.note-opacity-control strong{font-weight:800;color:var(--text)}.opacity-reset{min-height:38px;padding:8px 12px;border:1px solid #53657e;border-radius:7px;background:transparent;color:var(--text);font-size:.8rem}.opacity-reset:hover{background:#294860}

.triad-legend{gap:12px!important}.triad-legend>span{display:inline-flex}.triad-legend .mini-tone{margin-right:6px}

.fret-count-control{display:flex;align-items:center;gap:10px;font-size:.8rem;font-weight:700;color:var(--text)}.fret-count-control select{width:120px;min-height:44px;padding:10px;font-size:.85rem}.filter-toolbar{flex-wrap:wrap}.progression-controls{grid-template-columns:minmax(260px,2fr) minmax(160px,1fr)}
.shape-neighbor,.progression-neighbor{stroke:#d8e7ff;stroke-width:2.5;stroke-opacity:.95;stroke-dasharray:5 4}
.pair-summary>div{display:flex;flex-direction:column;gap:12px}.pair-summary #pair-title{font-size:1rem;font-weight:700}.pair-summary #pair-notes{margin-left:0;display:flex;gap:7px}

@media(min-width:1100px){.scale-reference{grid-template-columns:1fr 1fr 1fr}}

@media(min-width:1250px){.scale-reference{grid-template-columns:1.2fr 1.2fr 1fr 1fr}}
.workspace .legend{font-size:14px}.triad-legend>strong{font-size:14px;font-weight:800}

.workspace .legend .dot{width:26px;height:26px}.workspace .legend .dot.root,.workspace .legend .dot.third,.workspace .legend .dot.fifth{width:32px;height:32px}.triad-legend .mini-tone{width:32px;min-width:32px;height:32px;border-radius:50%;font-size:13px}.scale-guide{grid-column:1/-1;padding:16px 18px;background:#101b2b;border:1px solid var(--line);border-radius:10px;display:grid;gap:10px}.scale-guide p{margin:0;display:flex;gap:16px;font-size:14px;line-height:1.6;color:var(--muted)}.scale-guide strong{min-width:110px;color:var(--text);font-weight:700}@media(max-width:600px){.scale-guide p{flex-direction:column;gap:3px}}
.scale-guide p>span{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.guide-box{display:inline-block;width:24px;height:24px;border-radius:5px;flex:none}.guide-filled{background:#294860;border:1px solid #6ca5cb}.guide-purple{background:transparent;border:2px solid #b794f6}.guide-separator{margin:0 5px}
.guide-divider{font-size:20px;font-weight:900;color:var(--text);margin:0 5px;line-height:1}
.progression-panel h3 .chord-numeral{font-weight:800;font-size:inherit;margin-right:0}.chord-heading-divider{color:var(--muted);margin:0 7px;font-weight:400}

.neck-triad-controls{margin:20px 0}.triad-key-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.triad-key-row .legend{margin:0}.triad-key-row #triad-detail{flex:none}.shape-description{grid-template-columns:1fr}.shape-description .detail-info{max-width:900px}

#single-scale-view[hidden],#progression-view[hidden],#chord-connections-option[hidden],#triad-detail[hidden],.focus[hidden]{display:none!important}#workspace-view{width:180px}#progression-view .progression-controls{grid-template-columns:minmax(250px,620px)}#progression-parent{font-size:14px;line-height:1.6;color:var(--muted)}#progression-view .mini-triad-list{margin-bottom:20px}.workspace .shape-description{padding-bottom:0}

#note-opacity-control[hidden],#note-opacity-reset[hidden]{display:none!important}

.scale-guide-top{display:flex;align-items:center;justify-content:space-between;gap:14px 28px;flex-wrap:wrap}.scale-guide-top .guide-triad{margin-left:auto;align-items:center;flex-direction:row;flex-wrap:wrap}.guide-triad strong{min-width:0}.guide-tone{display:inline-flex;align-items:center;gap:8px}.guide-triad>span{gap:16px!important}@media(max-width:700px){.scale-guide-top .guide-triad{margin-left:0}}

.filter-help-row{display:flex;align-items:center;gap:8px}.filter-help-row .tone-toggle{flex:1;min-width:0}.filter-help-button{flex:none;width:30px;height:30px;border:1px solid #71849d;border-radius:5px;background:#22354b;color:#fff;font:700 16px inherit;cursor:pointer}.filter-help-button:focus-visible{outline:2px solid #48c9ff;outline-offset:2px}.filter-help-text{margin:4px 0 12px;padding:12px;background:#0b1320;border:1px solid #40516a;border-radius:7px;color:#dce6f3;font-size:14px;line-height:1.5;overflow-wrap:anywhere}.filter-help-text[hidden]{display:none}