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input{accent-color:var(--accent);width:16px;height:16px}.prefs{flex-wrap:wrap;align-items:center;gap:12px;display:flex}input[type=range]{accent-color:var(--accent)}select,.input{border:1px solid var(--line-2);background:var(--card);height:40px;color:var(--ink);font:inherit;border-radius:10px;padding:0 10px;font-size:15px}textarea.input{width:100%;height:auto;padding:10px 12px;font-family:ui-monospace,SF Mono,Menlo,monospace;line-height:1.5}.cd{max-width:100%;height:auto;display:block;overflow:visible}.cd-line{stroke:var(--ink-2);stroke-width:1.4px;opacity:.55}.cd-nut{stroke:var(--ink);stroke-width:6px;stroke-linecap:round}.cd-fret{fill:var(--muted);font-size:13px;font-weight:600;font-family:var(--font-ui)}.cd-open{fill:none;stroke:var(--ink);stroke-width:1.8px}.cd-open.cd-root{stroke:var(--root);stroke-width:2.4px}.cd-mute{fill:var(--muted);font-size:17px;font-family:var(--font-ui)}.cd-barre,.cd-dot circle{fill:var(--ink)}.cd-dot.cd-root circle{fill:var(--root)}.cd-dot text{fill:var(--paper);font-size:12.5px;font-weight:700;font-family:var(--font-ui)}.cd-sm .cd-dot text{font-size:13px}.cd-note{fill:var(--muted);font-size:11.5px;font-family:var(--font-ui);font-weight:500}.cd-root-t{fill:var(--root);font-weight:700}.cd .l-n,.cd .l-i{font-size:10.5px;display:none}[data-dots=notes] .cd .l-f,[data-dots=intervals] .cd .l-f{display:none}[data-dots=notes] .cd .l-n,[data-dots=intervals] .cd .l-i{display:inline}[data-lefty] .cd-flip{transform:translateX(var(--cdw)) scaleX(-1)}[data-lefty] .cd-flip text{transform-box:fill-box;transform-origin:50%;transform:scaleX(-1)}.kb{touch-action:manipulation;max-width:100%;height:auto;display:block}.kb-w rect{fill:var(--key-white);stroke:var(--line-2);stroke-width:1px}.kb-b rect{fill:var(--key-black)}.kb-w.on rect{fill:var(--accent)}@supports (color:color-mix(in lab, red, red)){.kb-w.on rect{fill:color-mix(in srgb, var(--accent) 22%, var(--key-white))}}.kb-b.on rect{fill:var(--accent)}@supports (color:color-mix(in lab, red, red)){.kb-b.on rect{fill:color-mix(in srgb, var(--accent) 55%, var(--key-black))}}.kb-dot{fill:var(--accent)}.root .kb-dot{fill:var(--root)}.kb-lbl{fill:#fff;font-size:9.5px;font-weight:700;font-family:var(--font-ui)}.kb-lbl-s{font-size:7.5px}.kb-c{fill:var(--muted);font-size:9px;font-family:var(--font-ui)}.keys-play [data-midi]{cursor:pointer}.keys-play .hit rect{fill:var(--accent-soft)}.keys-play .kb-b.hit rect{fill:var(--accent)}.chord-hero{grid-template-columns:minmax(0,340px) minmax(0,1fr);align-items:start;gap:22px;display:grid}@media (max-width:760px){.chord-hero{grid-template-columns:minmax(0,1fr)}}.diagram-card{flex-direction:column;align-items:center;gap:12px;margin:0;padding:18px 14px 14px;display:flex}.diagram-card .cd-lg{width:min(100%,290px)}.diagram-card figcaption{text-align:center;color:var(--muted);font-size:14px}.howto ol,.prose ol,ol.prose{margin:10px 0 0;padding-left:22px;list-style:decimal}.prose ul{list-style:outside}.howto li::marker{color:var(--accent);font-weight:700}.prose li::marker{color:var(--accent);font-weight:700}.mini .cd-note{display:none}.howto li{margin:6px 0}.facts{flex-wrap:wrap;gap:8px 18px;margin:12px 0 0;font-size:15px;display:flex}.facts b{font-weight:600}.tones{flex-wrap:wrap;gap:10px;display:flex}.tone{border:1px solid var(--line);background:var(--card);text-align:center;border-radius:13px;min-width:74px;padding:10px 12px}.tone .sym{font-size:24px;display:block}.tone small{color:var(--muted);font-size:12.5px}.tone.root{border-color:var(--root);background:var(--root-soft)}.tone.root .sym{color:var(--root)}.voicings{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px;display:grid}.voicing{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:12px 10px;display:flex}.voicing .cd-sm{width:132px}.voicing h3{font-size:15px;font-family:var(--font-ui);letter-spacing:0;margin:0}.tip{background:var(--accent-soft);border:1px solid var(--accent);border-radius:14px;align-items:center;gap:14px;padding:14px 16px;display:flex}@supports (color:color-mix(in lab, red, red)){.tip{border:1px solid color-mix(in srgb, var(--accent) 25%, transparent)}}.tip .cd-sm{flex:none;width:96px}.mini-grid{grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:10px;display:grid}.mini{border:1px solid var(--line);background:var(--card);border-radius:14px;flex-direction:column;align-items:center;gap:4px;padding:10px 6px 8px;text-decoration:none;display:flex}.mini:hover{border-color:var(--accent)}.mini .cd-sm{width:96px}.mini .kb-sm{width:112px}.mini b{font-family:var(--font-display);font-size:18px}.mini small{color:var(--muted);text-align:center;font-size:12.5px;line-height:1.3}.table{border-collapse:collapse;width:100%;font-size:15px}.table th,.table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:9px 10px}.table th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:13px;font-weight:600}.table-wrap{overflow-x:auto}.prose{max-width:760px}.prose p,.prose li{color:var(--ink-2)}.prose ul,.prose ol{padding-left:22px}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq summary{cursor:pointer;font-weight:600;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"+";width:22px;color:var(--accent);font-weight:700;display:inline-block}.faq details[open] summary:before{content:"−"}.faq p{color:var(--ink-2);margin:8px 0 0 22px}.hero{text-align:center;padding:46px 0 26px}.hero h1{max-width:900px;margin:0 auto 12px;font-size:clamp(34px,6vw,62px)}.hero h1 span{color:var(--accent)}.hero .lede{margin:0 auto 24px}.hero .search{text-align:left;max-width:620px;margin:0 auto}.ins-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}@media (max-width:760px){.ins-cards{grid-template-columns:minmax(0,1fr)}}.ins-card{flex-direction:column;gap:8px;padding:20px;text-decoration:none;display:flex}.ins-card:hover{border-color:var(--accent)}.ins-card h3{margin:0;font-size:22px}.tool-cards{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;display:grid}.tool-card{flex-direction:column;gap:4px;padding:16px;text-decoration:none;display:flex}.tool-card:hover{border-color:var(--accent)}.tool-card b{font-family:var(--font-display);font-size:18px}.tool-card span{color:var(--muted);font-size:14px}.chart{border-collapse:separate;border-spacing:6px;margin:0 -6px}.chart th{font-family:var(--font-display);white-space:nowrap;padding:4px;font-size:15px}.chart td{padding:0}.chart .mini{min-width:108px}.tool{padding:22px}.tool-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.big-num{font-family:var(--font-display);letter-spacing:-.04em;font-variant-numeric:tabular-nums;font-size:clamp(56px,12vw,104px);font-weight:750;line-height:1}.stat{flex-direction:column;gap:2px;display:flex}.stat small{color:var(--muted);font-size:13px}.site-footer{border-top:1px solid var(--line);color:var(--ink-2);margin-top:56px;padding:32px 0 44px;font-size:14.5px}.footer-grid{grid-template-columns:1.6fr repeat(4,1fr);gap:24px;display:grid}@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}.site-footer h4{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:4px 0 10px;font-size:13px}.site-footer ul{margin:0;padding:0;list-style:none}.site-footer li{margin:6px 0}.site-footer a{text-decoration:none}.ad{min-height:90px;margin:20px 0}@media print{.site-header,.mobile-nav,.site-footer,.play,.prefs,.ad,.no-print{display:none!important}body{background:#fff}.card,.mini{box-shadow:none;break-inside:avoid}}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}