@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#151716;--panel:#1d201e;--line:#363a35;--muted:#969d91;--ink:#eef0e6;--lime:#d6fd65;--red:#ff775b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Manrope,Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}header{height:85px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:28px;padding:0 5vw}.brand{font-size:32px;font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:-4px}.brand span{color:var(--lime);margin:0 3px}.edition,.badge,.eyebrow,.topline,.stats>div>span,.mic,footer>span{font:11px 'IBM Plex Mono',monospace;letter-spacing:1.4px}.edition b{color:var(--muted);margin-left:15px;font-weight:400}.badge{margin-left:auto;color:var(--lime);border:1px solid var(--line);border-radius:20px;padding:9px 13px}main{max-width:1240px;margin:auto;padding:38px 40px}.intro{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:34px}.eyebrow{color:var(--muted);margin-bottom:17px}h1{font:800 clamp(55px,7.5vw,96px)/.87 'Barlow Condensed',Impact,sans-serif;letter-spacing:-2px;margin:0}h1 span{color:var(--lime)}.intro p{line-height:1.8;font-size:16px;margin-bottom:0}.intro p span{color:var(--muted);font-size:13px}.workspace{display:grid;grid-template-columns:1.48fr 1fr;gap:20px}.console,.panel{border:1px solid var(--line);background:var(--panel);padding:24px;border-radius:5px}.console{background:radial-gradient(ellipse at 50% 20%,#2b3024,transparent 75%),var(--panel)}.topline{display:flex;justify-content:space-between;color:var(--muted);gap:10px}.tempo{display:flex;align-items:center;justify-content:center;gap:30px;margin:17px 0 8px}.tempo>div{text-align:center}.tempo input{display:block;background:none;border:0;width:230px;text-align:center;color:var(--ink);font:700 120px/1 'Barlow Condensed',Impact,sans-serif;appearance:textfield;outline:none}.tempo input::-webkit-inner-spin-button{appearance:none}.tempo span{font:12px 'IBM Plex Mono',monospace;color:var(--lime);letter-spacing:5px}.tempo button{border:1px solid var(--line);color:var(--ink);border-radius:50%;background:transparent;width:42px;height:42px;font-size:25px}input[type=range]{accent-color:var(--lime);width:100%;height:15px}.beats{display:flex;justify-content:center;gap:12px;margin:22px 0}.beats i{font:12px 'IBM Plex Mono',monospace;width:45px;height:36px;border:1px solid #565e4b;border-radius:3px;text-align:center;padding:10px;color:var(--muted);transition:background .06s}.beats i.active{background:var(--lime);color:#151716}.coach{text-align:center;min-height:79px}.coach>span{font:700 27px 'Barlow Condensed',Impact,sans-serif;letter-spacing:1px}.coach p{color:var(--muted);font-size:12px;margin:8px 0}.coach.angry>span{color:var(--red)}.transport{display:flex;gap:10px}button{border-radius:3px;padding:15px;border:1px solid var(--line);background:#292d28;color:var(--ink);font-size:12px;font-weight:800}.primary{flex:1;background:var(--lime);color:#1a2010;border-color:var(--lime)}button:hover{filter:brightness(1.12)}button:disabled{opacity:.4;cursor:default}.mic{display:flex;justify-content:space-between;align-items:center;font-size:9px;color:var(--muted);margin-top:18px;gap:12px}.mic>div{width:95px;height:5px;background:#3e4437}.mic i{display:block;width:0;height:100%;background:var(--lime)}label{display:block;font-size:12px;color:#c2c8bb;margin-bottom:17px}select,input[type=number]:not(#bpm){display:block;width:100%;margin-top:8px;border:1px solid #42483c;border-radius:3px;color:var(--ink);background:#252923;padding:11px;font-size:12px}select{min-width:0}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.sliderlabel input{display:block;margin-top:10px}.sliderlabel span{float:right;color:var(--muted)}.check{display:flex;align-items:center;gap:8px;margin-top:15px;font-size:12px}.check input{accent-color:var(--lime)}details{color:var(--muted);font-size:11px;line-height:1.8}summary{cursor:pointer}details label{margin-top:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);margin:20px 0;border:1px solid var(--line);border-radius:4px}.stats>div{padding:23px;border-right:1px solid var(--line)}.stats>div:last-child{border:0}.stats>div>span{display:block;color:var(--muted);font-size:9px}.stats strong{font:600 42px 'Barlow Condensed',Impact,sans-serif;display:block;margin-top:8px}.stats small{font:12px 'IBM Plex Mono',monospace;color:var(--muted);margin-left:7px}.bottom{display:grid;grid-template-columns:1.15fr 1fr;gap:20px}.bottom p{font-size:11px;color:var(--muted)}canvas{width:100%;height:130px;margin-top:10px}.stages{display:flex;gap:6px;margin:26px 0 15px}.stages div{height:35px;flex:1;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);font:12px 'IBM Plex Mono',monospace}.stages .selected{background:var(--lime);color:#151716}.log{font-size:11px;border-top:1px solid var(--line);padding-top:15px;color:var(--ink);line-height:1.6}footer{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line);margin-top:35px;padding:23px 0;color:var(--muted)}footer>span{max-width:220px;line-height:1.8;color:var(--lime)}footer p{max-width:590px;font-size:10px;line-height:1.8;margin:0}:focus-visible{outline:2px solid var(--lime);outline-offset:4px}@media(max-width:760px){header{padding:0 20px;height:65px}.edition{display:none}.badge{font-size:8px}main{padding:28px 18px}.intro{align-items:flex-start;gap:15px}.intro p{font-size:12px;max-width:150px}.intro p span{font-size:11px}.eyebrow{font-size:8px;letter-spacing:1px}h1{font-size:58px}.workspace,.bottom{grid-template-columns:1fr}.console,.panel{padding:20px}.stats{grid-template-columns:1fr 1fr}.stats>div{padding:18px}.stats>div:nth-child(2){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.tempo input{font-size:110px;width:200px}.tempo{gap:20px}footer{flex-direction:column;gap:12px}}

.soundchecks{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.soundchecks button{padding:13px 8px;font-size:10px;border-color:#69774d;color:var(--lime)}.clickonly{width:100%;margin-top:8px;background:transparent;font-size:10px;color:var(--muted);padding:11px}.audio-status{display:flex;align-items:center;gap:10px;justify-content:space-between;margin-top:14px;font-size:10px;line-height:1.6;color:var(--muted)}.audio-status button{font-size:10px;padding:7px 9px;white-space:nowrap}.console{align-self:start}.soundchecks button:disabled{opacity:.4}

[hidden]{display:none!important}.help{font-size:11px;line-height:1.6;color:var(--lime);margin:-5px 0 18px}.pause-actions{display:flex;gap:8px;margin-top:12px}.pause-actions button{flex:1;font-size:10px;padding:13px 8px}.reading{position:relative}.silent-data .readouts{visibility:hidden}#silenceCover{position:absolute;inset:20px 0 0;display:flex;flex-direction:column;justify-content:center;align-items:center;border:1px solid var(--line);border-radius:5px;background:var(--panel);text-align:center}#silenceCover strong{font:700 30px 'Barlow Condensed',Impact,sans-serif;color:var(--lime)}#silenceCover p{font-size:12px;color:var(--muted);line-height:1.9}.silent .beats{visibility:hidden}.diagnostics{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin:-5px 0 20px}.diagnostics>div{padding:12px 15px;border:1px solid var(--line);border-radius:3px}.diagnostics span,.record-grid span{display:block;font:9px 'IBM Plex Mono',monospace;color:var(--muted);letter-spacing:1px;margin-bottom:8px}.diagnostics b{font:15px 'IBM Plex Mono',monospace}.records{margin-top:20px}.record-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:22px}.record-grid strong{display:block;font-size:16px;line-height:1.6}#recordsNote{font-size:10px;color:var(--muted);margin:20px 0 0}#streak{color:var(--lime)}.stages div{font-size:10px}.coach{min-height:95px}.coach p{line-height:1.6}body .log{max-height:180px;overflow:auto}@media(max-width:760px){.diagnostics{grid-template-columns:1fr 1fr}.diagnostics>div:last-child{grid-column:1 / -1}.record-grid{grid-template-columns:1fr}.record-grid strong{font-size:14px}.records>.topline{font-size:9px}.pause-actions{flex-wrap:wrap}}

.sound-deck{border-top:1px solid #455038;border-bottom:1px solid #455038;margin:5px 0 20px;padding:17px 0}.sound-deck .topline{font-size:9px;letter-spacing:1px}.sound-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:13px 0 10px}.sound-modes button{text-align:left;background:#22271f;border:1px solid #4d5840;padding:13px 16px;transition:border-color .1s,background .1s}.sound-modes button[aria-pressed=true]{background:var(--lime);border-color:var(--lime);color:#19210c}.sound-modes strong{display:block;font:800 29px 'Barlow Condensed',Impact,sans-serif;letter-spacing:1px}.sound-modes span{display:block;font-size:10px;margin-top:3px;font-weight:500;line-height:1.4}.accent-toggle{width:100%;display:flex;align-items:center;gap:11px;padding:10px 12px;background:transparent;font-weight:500;font-size:12px}.accent-toggle b{display:grid;place-items:center;width:27px;height:27px;background:#3c4533;border-radius:3px;color:var(--ink);font-family:'IBM Plex Mono',monospace}.accent-toggle[aria-pressed=true] b{background:var(--lime);color:#19210c}.switch-mark{margin-left:auto;width:31px;height:18px;border-radius:10px;background:#4a5143;position:relative}.switch-mark:after{content:'';position:absolute;width:12px;height:12px;left:3px;top:3px;border-radius:50%;background:#e5e9de}.accent-toggle[aria-pressed=true] .switch-mark{background:#7e993f}.accent-toggle[aria-pressed=true] .switch-mark:after{left:16px;background:var(--lime)}.click-volume{margin:17px 0 13px}.click-volume #volumeVal{color:var(--lime);font:600 15px 'IBM Plex Mono',monospace}.sound-profile{font-size:10px;margin-bottom:0}.sound-profile select{padding:9px 11px}.output-hint{font-size:10px;line-height:1.6;color:var(--muted);margin:10px 0 0}.beats i.downbeat{border-color:var(--lime);color:var(--lime)}.beats i.active.downbeat{color:#151716}@media(max-width:760px){.sound-modes button{padding:11px}.sound-modes span{font-size:9px}.sound-deck .topline{font-size:8px}.accent-toggle{font-size:11px}}

.echo-status{padding:11px 12px;border:1px solid #52633b;border-radius:3px;background:#d6fd6507;color:var(--lime);font-size:11px;line-height:1.6;margin-bottom:20px}.sound-modes button:disabled,.accent-toggle:disabled{cursor:default;opacity:.65}#listenHelp{color:var(--muted)}
/* Keep the first mobile screen focused on starting and the current instruction. */
.transport{grid-template-columns:1fr}.sound-extra{margin:12px 0}.sound-extra summary,.session-extra>summary{cursor:pointer;color:#d6fd65;padding:12px 0;font-weight:600}.session-extra[open]>summary{margin-bottom:20px}.echo-status{font-size:15px;line-height:1.5;padding:12px 14px;margin:12px 0;border:1px solid #5f7140;border-radius:5px}.coach{scroll-margin-top:20px}.sound-extra #demo{width:100%;margin-bottom:12px}.workspace{grid-template-columns:minmax(0,1fr) minmax(260px,.6fr)}
@media(max-width:800px){.workspace{grid-template-columns:1fr}.intro{padding-bottom:16px}.sound-deck{padding-bottom:8px}.coach{margin-top:16px}.console{padding:22px}.tempo{margin:14px 0}.session-extra{margin-top:0}}
.beats i{width:64px;height:48px;font-size:19px;padding:12px;font-style:normal}.beats i.active{box-shadow:0 0 18px #d6fd6544;transform:translateY(-2px)}.play-hint{font-size:16px;text-align:center;color:var(--lime);min-height:24px}.hit-strip{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:5px;margin:12px 0}.hit-strip span{display:grid;place-items:center;min-height:34px;border:1px solid #42483c;border-radius:4px;color:#969d91;font:10px 'IBM Plex Mono',monospace}.hit-strip .hit-good{background:#d6fd65;color:#172009;border-color:#d6fd65}.hit-strip .hit-early{background:#c86925;color:white}.hit-strip .hit-late{background:#e1bf4d;color:#211d0b}.hit-strip .hit-miss{background:#623529;color:#ffb5a4}.hit-legend{font-size:10px;color:var(--muted);line-height:1.7}.tempo-plan{color:var(--lime);font-size:13px;line-height:1.7;text-align:center}.silent .hit-strip,.silent .play-hint,.silent .hit-legend{visibility:hidden}
@media(max-width:500px){.hit-strip{gap:3px}.hit-strip span{font-size:9px}.beats i{flex:1;max-width:70px}}

.console.training .sound-deck{display:none}.console.training .tempo input{font-size:88px}.console.training .tempo{margin:10px 0}.console.training .beats{margin:14px 0}.console{scroll-margin-top:10px}

.lesson-progress{border:1px solid #586c38;border-radius:6px;padding:13px;margin:12px 0;background:#20291b}.lesson-progress strong{color:var(--lime);font-size:14px}.lesson-numbers{display:flex;justify-content:space-between;gap:10px;margin:12px 0;font-size:11px}.lesson-track{height:7px;background:#414838;border-radius:5px;overflow:hidden}.lesson-track i{display:block;height:100%;width:0;background:var(--lime);transition:width .3s}.lesson-progress p{font-size:11px;line-height:1.6;margin:10px 0}.lesson-progress small{font-size:9px;color:var(--muted)}

.goal-picker{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.goal-picker select{width:auto;margin-top:0;padding:7px 10px}

.block-status{display:block;font:600 12px Manrope,Arial,sans-serif;color:var(--lime);line-height:1.6;margin:14px 0 5px}.last-block{border-left:3px solid var(--lime);padding:8px 12px;font-size:11px;line-height:1.6;color:var(--ink);background:#252d20}.silent .block-status{color:var(--muted)}

/* v13: the live hit grid is the primary practice surface. */
.intro{padding:20px 0;align-items:center}.intro h1{font-size:clamp(28px,5vw,52px);line-height:1}.intro h1 br{display:none}.intro h1 span{margin-left:.2em}.intro .eyebrow,.intro>p{display:none}
.workspace{display:block;max-width:820px;margin:auto}.console{padding:22px}.tempo,.console.training .tempo{margin:8px 0}.tempo input,.console.training .tempo input{font-size:76px}.beats{margin:16px 0 10px}.beats i{height:44px}.tempo-plan{display:none}.play-hint{font-size:18px;margin:12px 0}.block-status{font-size:12px;letter-spacing:.06em;margin:14px 0 8px}.hit-strip{gap:6px;margin:8px 0}.hit-strip span{min-height:44px;font-size:14px}.hit-legend{font-size:12px;line-height:1.6;margin:8px 0 16px;color:#aab19f}
.lesson-progress{padding:14px;margin:12px 0;border-color:#596347}.lesson-progress strong{font-size:17px}.lesson-numbers{font-size:13px;gap:8px;margin:10px 0}.lesson-progress small{font-size:12px}.lesson-track{margin:10px 0}.coach{padding:12px 0;margin:10px 0;border-top:1px solid #3c4237}.coach>span{font-size:24px}.coach p{font-size:14px;line-height:1.5;margin:6px 0}.transport{margin:12px 0}.transport button{padding:16px 10px;font-size:16px}.last-block{font-size:13px;line-height:1.6}.session-extra{margin-top:16px}.secondary-data{max-width:820px;margin:24px auto}.secondary-data>summary{padding:16px;border:1px solid #3c4237;border-radius:8px}.sound-extra{margin-top:14px}.reading{margin-top:18px}footer{max-width:820px;margin:24px auto}header{padding-top:16px;padding-bottom:16px}.edition{display:none}
@media(max-width:600px){main{padding:0 14px}.console{padding:16px}.intro{padding:14px 0}.intro h1{font-size:29px}.hit-strip{gap:4px}.hit-strip span{font-size:11px;min-height:40px}.lesson-numbers{display:flex;flex-wrap:wrap}.coach>span{font-size:22px}.sound-modes button strong{font-size:32px}}

.hit-strip span.hit-uncertain{outline:2px dashed #f1e7db;outline-offset:-3px;background:#4e4755;color:#fff}

#calibrationDone{width:100%;padding:16px;font-size:16px;margin:8px 0}#calibrationFeedback{color:var(--lime);line-height:1.5}

#downloadDiagnostic{display:block;text-align:center;border:1px solid var(--lime);border-radius:4px;color:var(--lime);font-weight:700;text-decoration:none;font-size:13px;padding:16px}#shareDiagnostic{color:var(--lime);border-color:var(--lime);font-size:13px}

.hit-strip.sixteenths{grid-template-columns:repeat(8,minmax(0,1fr));gap:4px}.hit-strip.sixteenths>span:nth-child(4n+1){border-left:3px solid var(--lime)}.hit-strip.sixteenths>span:nth-child(8n){margin-right:0}.hit-strip.sixteenths>span{font-size:10px;min-width:0;padding:8px 1px}.stages{grid-template-columns:repeat(auto-fit,minmax(70px,1fr))}

.calibration-panel{margin-bottom:18px;scroll-margin-top:12px}.calibration-panel h2{font:700 27px 'Barlow Condensed',Impact,sans-serif;margin:18px 0 8px}.calibration-panel>p{font-size:14px;line-height:1.6;color:var(--muted)}.calibration-panel .topline{flex-wrap:wrap}.calibration-panel[hidden]{display:none}#calibrationDone{width:100%;margin-bottom:12px}#beginTraining{width:100%;margin-bottom:18px}#trainingGate{font-size:14px;line-height:1.5}

.console.calibrating .coach{display:none}

.progress-dashboard{margin-top:24px}.progress-dashboard h2{font-size:clamp(28px,5vw,46px);margin:18px 0}.practice-totals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.practice-totals strong{padding:16px;background:#d6fd650c;border:1px solid #414738;font-size:18px;color:#d6fd65}.progress-chart{min-height:140px;margin:20px 0}.progress-chart svg{display:block;width:100%;height:auto}.progress-table{overflow:auto}.progress-table table{width:100%;border-collapse:collapse;text-align:left}.progress-table th,.progress-table td{padding:12px 8px;border-bottom:1px solid #414738;white-space:nowrap}.progress-dashboard select{max-width:100%}.progress-dashboard .row>*{min-width:0}.history-import input{max-width:100%;font-size:14px}#sessionHistory p{padding:12px 0;border-bottom:1px solid #414738}#progressChange{color:#d6fd65}@media(max-width:600px){.progress-dashboard .row{display:grid;grid-template-columns:1fr}.practice-totals strong{font-size:15px;padding:12px}}

.progress-link{display:inline-block;color:#d6fd65;margin:0 0 18px;font-size:16px}#progressDashboard{scroll-margin-top:20px}

.mode-nav{display:flex;gap:8px;margin:20px 0}.mode-nav a{flex:1;text-align:center;padding:14px 8px;color:#d6fd65;border:1px solid #414738;text-decoration:none;border-radius:6px}.mode-nav a.selected{background:#d6fd65;color:#171a13;font-weight:800}

/* Keep touch controls responsive without disabling pinch-to-zoom. */
button,a,input[type=range],select{touch-action:manipulation}
.brand{letter-spacing:0;line-height:1.15}
.intro h1{letter-spacing:.015em;line-height:1.15;display:flex;flex-wrap:wrap;gap:0 .22em;font-size:clamp(25px,4.5vw,52px)}
.intro h1 span{margin-left:0}