:root{--bkfm68-primary:#2563EB;--bkfm68-accent:#7C3AED;--bkfm68-down:#D97706;--bkfm68-secondary:#16A34A;--bkfm68-text:#172033;--bkfm68-muted:#667085;--bkfm68-border:#E4E7EC;--bkfm68-soft:#F8FAFC;--bkfm68-card:#fff}
.bkfm68-app{max-width:1050px;margin:0 auto;padding:20px;color:var(--bkfm68-text);font-family:inherit;box-sizing:border-box}.bkfm68-app *{box-sizing:border-box}.bkfm68-card{background:var(--bkfm68-card);border:1px solid var(--bkfm68-border);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(16,24,40,.06)}.bkfm68-header-card{margin-bottom:18px}.bkfm68-heading-wrap{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.bkfm68-heading-wrap h2{margin:0 0 8px;font-size:clamp(28px,4vw,40px);line-height:1.15}.bkfm68-heading-wrap p{margin:0;color:var(--bkfm68-muted);line-height:1.65}.bkfm68-status{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 12px;border-radius:999px;background:#eef4ff;color:var(--bkfm68-primary);font-weight:700;white-space:nowrap}.bkfm68-grid{display:grid;gap:18px}.bkfm68-main-grid{grid-template-columns:1.12fr .88fr}.bkfm68-settings-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px}.bkfm68-bpm-display{text-align:center;font-weight:800;font-size:clamp(52px,8vw,84px);line-height:1;margin:4px 0 20px}.bkfm68-bpm-display small{display:block;margin-top:8px;font-size:14px;letter-spacing:.18em;color:var(--bkfm68-muted)}.bkfm68-label{display:block;font-weight:700;margin:14px 0 8px}.bkfm68-bpm-controls{display:grid;grid-template-columns:56px 56px 1fr 56px 56px;gap:8px}.bkfm68-bpm-controls button,.bkfm68-bpm-controls input,.bkfm68-btn,.bkfm68-app select,.bkfm68-app input[type=number]{min-height:48px;border:1px solid var(--bkfm68-border);border-radius:12px;background:#fff;color:var(--bkfm68-text);font:inherit}.bkfm68-bpm-controls input{text-align:center;font-size:20px;font-weight:800;min-width:0}.bkfm68-bpm-controls button,.bkfm68-btn{cursor:pointer;font-weight:700;padding:0 14px}.bkfm68-btn-primary{background:var(--bkfm68-primary);border-color:var(--bkfm68-primary);color:#fff}.bkfm68-btn:hover,.bkfm68-bpm-controls button:hover{transform:translateY(-1px)}.bkfm68-app button:focus-visible,.bkfm68-app input:focus-visible,.bkfm68-app select:focus-visible{outline:3px solid rgba(37,99,235,.25);outline-offset:2px}.bkfm68-range{width:100%;margin:16px 0}.bkfm68-presets{display:flex;flex-wrap:wrap;gap:8px}.bkfm68-presets button{min-height:40px;border:1px solid var(--bkfm68-border);background:var(--bkfm68-soft);border-radius:999px;padding:0 12px;cursor:pointer}.bkfm68-action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.bkfm68-help{color:var(--bkfm68-muted);font-size:14px;line-height:1.55;margin:8px 0 0}.bkfm68-beat-card{display:flex;flex-direction:column;justify-content:center}.bkfm68-measure-label{text-align:center;font-weight:800;margin-bottom:12px}.bkfm68-group-labels{display:grid;grid-template-columns:1fr 1fr;text-align:center;color:var(--bkfm68-muted);font-size:12px;font-weight:800;letter-spacing:.04em;margin-bottom:8px}.bkfm68-beats{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.bkfm68-beat{aspect-ratio:1/1;border-radius:16px;border:1px solid var(--bkfm68-border);background:var(--bkfm68-soft);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:.08s ease}.bkfm68-beat:nth-child(3){margin-right:6px}.bkfm68-beat:nth-child(4){margin-left:6px}.bkfm68-beat span{font-size:clamp(22px,4vw,36px);font-weight:800}.bkfm68-beat small{font-size:9px;color:var(--bkfm68-muted);font-weight:800}.bkfm68-beat-down{border-color:#f4c27a}.bkfm68-beat-secondary{border-color:#9bd5aa}.bkfm68-beat.is-active{background:#dbeafe;border-color:var(--bkfm68-primary);transform:scale(1.04)}.bkfm68-beat-down.is-active{background:#fff1db;border-color:var(--bkfm68-down)}.bkfm68-beat-secondary.is-active{background:#e7f8eb;border-color:var(--bkfm68-secondary)}.bkfm68-counting{text-align:center;margin-top:14px;font-weight:800}.bkfm68-counting span{color:var(--bkfm68-muted);padding:0 8px}.bkfm68-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.bkfm68-stats div{background:var(--bkfm68-soft);padding:12px;border-radius:12px;text-align:center}.bkfm68-stats strong{display:block;font-size:22px}.bkfm68-stats span{font-size:12px;color:var(--bkfm68-muted)}.bkfm68-subbeat{text-align:center;margin-top:14px;color:var(--bkfm68-muted);font-weight:700;min-height:24px}.bkfm68-card h3{margin:0 0 14px;font-size:20px}.bkfm68-app select{width:100%;padding:0 12px}.bkfm68-check{display:flex;gap:10px;align-items:center;margin:14px 0;font-weight:600}.bkfm68-check input{width:18px;height:18px}.bkfm68-app input[type=range]{width:100%}.bkfm68-two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.bkfm68-two-col label{font-size:13px;color:var(--bkfm68-muted)}.bkfm68-two-col input{width:100%;margin-top:5px;padding:0 10px}.bkfm68-two-col span{display:block;font-size:12px;margin-top:4px}.bkfm68-label input{display:block;width:100%;margin-top:7px;padding:0 10px}.bkfm68-notes{margin-top:18px;display:grid;gap:8px;color:var(--bkfm68-muted);line-height:1.55}.bkfm68-live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:820px){.bkfm68-main-grid,.bkfm68-settings-grid{grid-template-columns:1fr}.bkfm68-heading-wrap{flex-direction:column}.bkfm68-status{align-self:flex-start}}
@media(max-width:620px){.bkfm68-app{padding:12px}.bkfm68-card{padding:16px;border-radius:14px}.bkfm68-bpm-controls{grid-template-columns:48px 48px 1fr 48px 48px;gap:5px}.bkfm68-bpm-controls button{padding:0 6px}.bkfm68-action-row .bkfm68-btn{flex:1 1 120px}.bkfm68-beats{gap:4px}.bkfm68-beat{border-radius:11px}.bkfm68-beat:nth-child(3){margin-right:3px}.bkfm68-beat:nth-child(4){margin-left:3px}.bkfm68-beat small{display:none}.bkfm68-stats{grid-template-columns:1fr}.bkfm68-two-col{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.bkfm68-app *{transition:none!important}}

/* BPMKeyFinder readability/contrast overrides */
.bkfm68-app{--bkfm68-text:#111827;--bkfm68-muted:#4B5563;--bkfm68-border:#D1D5DB;--bkfm68-soft:#F3F4F6;--bkfm68-card:#FFFFFF;color:#111827}
.bkfm68-app .bkfm68-card{background:#FFFFFF;color:#111827;border-color:#D1D5DB}
.bkfm68-app h2,.bkfm68-app h3,.bkfm68-app .bkfm68-label,.bkfm68-app .bkfm68-measure-label,.bkfm68-app .bkfm68-counting,.bkfm68-app .bkfm68-check{color:#111827}
.bkfm68-app p,.bkfm68-app .bkfm68-help,.bkfm68-app .bkfm68-group-labels,.bkfm68-app .bkfm68-subbeat,.bkfm68-app .bkfm68-notes,.bkfm68-app .bkfm68-two-col label,.bkfm68-app .bkfm68-stats span{color:#4B5563}
.bkfm68-app button,.bkfm68-app .bkfm68-btn,.bkfm68-app .bkfm68-bpm-controls button,.bkfm68-app .bkfm68-presets button{color:#172033!important;background:#FFFFFF!important;border-color:#C7CED8!important;opacity:1!important}
.bkfm68-app button:hover,.bkfm68-app .bkfm68-btn:hover,.bkfm68-app .bkfm68-bpm-controls button:hover,.bkfm68-app .bkfm68-presets button:hover{background:#F3F4F6!important;border-color:#9CA3AF!important}
.bkfm68-app .bkfm68-btn-primary{background:#2563EB!important;border-color:#2563EB!important;color:#FFFFFF!important}
.bkfm68-app .bkfm68-btn-primary:hover{background:#1D4ED8!important;border-color:#1D4ED8!important;color:#FFFFFF!important}
.bkfm68-app input[type=number],.bkfm68-app select{background:#FFFFFF!important;color:#111827!important;border-color:#C7CED8!important;opacity:1!important}
.bkfm68-app input[type=range]{accent-color:#2563EB;opacity:1!important}
.bkfm68-app .bkfm68-presets button{background:#F8FAFC!important;font-weight:700}
.bkfm68-app .bkfm68-beat{background:#F8FAFC;color:#111827;border-color:#D1D5DB}
.bkfm68-app .bkfm68-beat span{color:#111827}
.bkfm68-app .bkfm68-beat small{color:#4B5563}
.bkfm68-app .bkfm68-beat-down{background:#FFF7ED;border-color:#FDBA74}
.bkfm68-app .bkfm68-beat-secondary{background:#F0FDF4;border-color:#86EFAC}
.bkfm68-app .bkfm68-beat.is-active{background:#DBEAFE;color:#111827;border-color:#2563EB}
.bkfm68-app .bkfm68-beat-down.is-active{background:#FFEDD5;border-color:#D97706}
.bkfm68-app .bkfm68-beat-secondary.is-active{background:#DCFCE7;border-color:#16A34A}
.bkfm68-app .bkfm68-status{background:#EFF6FF;color:#1D4ED8;border:1px solid #BFDBFE}
.bkfm68-app .bkfm68-stats div{background:#F3F4F6;color:#111827}
.bkfm68-app .bkfm68-stats strong{color:#111827}