@font-face{font-family:Archivo;src:url('./vendor/archivo.ttf') format('truetype');font-weight:100 900;font-style:normal;font-display:swap}
:root{--ink:#15211d;--muted:#52605a;--green:#1e6b52;--blue:#1b4f7a;--lime:#cfea2d;--line:#d8e0da;--paper:#f1f4f5}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.55 Archivo,system-ui,sans-serif}button,input,select,textarea{font:inherit}button,a,input,summary,select,textarea{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:var(--ink);background:white;border:1px solid #a7b6ac;border-radius:6px;min-height:44px;padding:9px 15px;font-weight:600}button:hover:not(:disabled){background:var(--paper);border-color:var(--green)}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}a{color:var(--green);text-underline-offset:4px}p{margin:0 0 16px}h1,h2{line-height:1.12;margin:0;font-weight:800;text-wrap:balance}h1{font-size:clamp(34px,4vw,52px);letter-spacing:-.025em}h2{font-size:28px}svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.masthead{max-width:1440px;margin:auto;min-height:83px;display:flex;align-items:center;justify-content:space-between;padding:16px 40px;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:7px;font-size:21px;font-weight:750;color:var(--ink);text-decoration:none;white-space:nowrap}.brand strong{color:var(--green)}.brand-ball{width:22px;height:22px;border:5px solid var(--green);border-radius:50%;background:var(--lime);margin-right:6px}.masthead nav{display:flex;align-items:center;gap:26px}.masthead nav>a{font-weight:600;color:var(--ink);text-decoration:none;min-height:44px;display:flex;align-items:center}.menu{position:relative}.menu summary{padding:10px 0;font-weight:600}.menu>div{position:absolute;right:0;top:45px;padding:8px;background:white;border:1px solid var(--line);border-radius:6px;z-index:5;width:215px;box-shadow:0 8px 20px #15211d15}.menu a{display:block;padding:12px;text-decoration:none;color:var(--ink)}.menu a:hover{background:var(--paper)}
main{max-width:1440px;margin:auto;padding:38px 40px 0}.intro{display:flex;justify-content:space-between;gap:20px;align-items:center}.intro p{margin:10px 0 0;color:var(--muted);font-size:18px}.preview-note{font-size:13px;color:var(--muted);padding:8px 0}.lesson-progress{list-style:none;padding:0;margin:30px 0 28px;display:flex;gap:26px;border-bottom:1px solid var(--line)}.lesson-progress li{display:flex;align-items:center;gap:9px;padding:0 0 14px;color:var(--muted);font-size:14px;border-bottom:3px solid transparent;margin-bottom:-1px}.lesson-progress li[aria-current]{color:var(--green);border-color:var(--green);font-weight:700}.lesson-progress span{width:23px;height:23px;background:var(--paper);border-radius:50%;display:grid;place-items:center;font-size:12px}.lesson-progress li[aria-current] span{background:var(--green);color:white}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(270px,1fr);gap:36px;align-items:start}.court-section{min-width:0}.view-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.view-bar>span{font-size:15px;font-weight:650}.segmented{display:flex;border:1px solid #a7b6ac;border-radius:6px;padding:3px;gap:3px}.segmented button{min-height:36px;padding:6px 12px;font-size:13px;border:0}.segmented button[aria-pressed=true]{background:var(--green);color:white}.stage{position:relative;background:#e3ebe6;aspect-ratio:1.38;overflow:hidden}.stage canvas{width:100%;height:100%;display:block;touch-action:pan-y}.stage-status{position:absolute;top:16px;left:16px;padding:7px 11px;background:white;color:var(--ink);font-size:13px;border-radius:4px;box-shadow:0 2px 8px #15211d14;pointer-events:none}.stage-status[data-state=decision]{background:var(--lime);font-weight:700}.player-tag{position:absolute;transform:translate(-50%,-50%);padding:3px 6px;border-radius:3px;background:#fff;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.04em;pointer-events:none;white-space:nowrap}.partner-tag{font-weight:600}.transport{display:flex;align-items:center;gap:8px;margin-top:16px}.play-button,.primary{background:var(--green);color:#fff;border-color:var(--green)}.play-button:hover:not(:disabled),.primary:hover:not(:disabled){background:#15543f;color:white}.play-button{min-width:123px}.speed-label{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:12px;color:var(--muted)}select{min-height:44px;border:1px solid #a7b6ac;border-radius:6px;background:#fff;padding:4px 8px;color:var(--ink);font-size:13px}.timeline-row{display:flex;align-items:center;gap:12px;margin:12px 0 4px;font-size:12px;color:var(--muted)}.timeline-row input{min-width:0;flex:1;accent-color:var(--green);height:32px}.timeline-row output{min-width:43px;text-align:right;font-variant-numeric:tabular-nums}.step-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.step-row button{border:0;padding:5px 0;min-height:36px;font-size:12px;color:var(--green);text-decoration:underline;text-underline-offset:4px}.step-row span{font-size:12px;color:var(--muted);flex:1;min-width:180px;text-align:right}.description{border-top:1px solid var(--line);margin-top:14px;padding-top:8px;font-size:14px}.description summary{padding:10px 0;font-weight:600}.description p{color:var(--muted);margin:6px 0 12px;max-width:65ch}
.decision-panel{padding-top:4px}.lesson-count{font-size:13px;color:var(--muted);margin-bottom:16px}.decision-panel h2{margin-bottom:20px}.decision-panel #setup{color:var(--muted);font-size:16px;max-width:42ch}.choices{display:grid;gap:12px;margin:22px 0 14px}.choices button{display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;min-height:74px;padding:16px;font-size:15px}.choices svg{width:24px;height:24px;flex:0 0 24px}.choices button[aria-pressed=true]{border:2px solid var(--green);background:#edf5ef;opacity:1;padding:15px}.small{font-size:13px;color:var(--muted);line-height:1.6}.feedback-title{font-weight:750;font-size:19px;margin-bottom:8px}#feedback{border-top:1px solid var(--line);padding-top:21px;margin-top:24px}#feedback-copy{font-size:15px}#feedback .primary{width:100%;margin-top:4px}.text-button{border:0;text-decoration:underline;text-underline-offset:4px;color:var(--green);background:none;padding:10px 0;font-size:14px}.next-button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:24px;background:var(--lime);border-color:var(--lime);font-size:15px}.next-button:hover:not(:disabled){background:#bfd72a}#decision-prompt{font-size:17px;font-weight:700;margin-top:20px}#transfer-reason{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}#transfer-reason label{display:block;font-size:14px;font-weight:600}#transfer-reason label span{font-weight:400;color:var(--muted)}textarea{width:100%;max-width:100%;border:1px solid #a7b6ac;border-radius:6px;padding:12px;margin:10px 0;font-size:15px;resize:vertical}textarea::placeholder{color:var(--muted)}#transfer-reason button{width:100%}#completion .primary{width:100%}#attempt-summary{border-block:1px solid var(--line);margin:24px 0;padding:14px 0}#attempt-summary p{font-size:14px;margin:8px 0;display:flex;justify-content:space-between;gap:14px}#attempt-summary span{font-weight:650}.lesson-notes{display:grid;grid-template-columns:1fr 1.2fr;gap:14px 60px;margin:48px 0 0;padding:32px 0 40px;border-top:1px solid var(--line)}.lesson-notes h2{font-size:24px}.lesson-notes>p{max-width:68ch}.lesson-notes .small{grid-column:2;margin-bottom:0}footer{display:flex;justify-content:space-between;gap:20px;max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:24px 40px;font-size:13px;color:var(--muted)}#render-error{position:absolute;inset:70px 30px 30px;padding:25px;background:white;overflow:auto}.noscript{padding:20px;border:1px solid var(--line)}
@media(min-width:1300px){.stage{aspect-ratio:1.45}}
@media(max-width:850px){.masthead{padding:12px 24px;min-height:72px}main{padding:28px 24px 0}.lesson-layout{grid-template-columns:1fr;gap:24px}.stage{aspect-ratio:1.32}.intro{align-items:flex-start}.intro p{font-size:16px}.preview-note{max-width:110px;text-align:right}.decision-panel{padding:24px 0 0;border-top:1px solid var(--line)}.decision-panel #setup{max-width:65ch}.choices{grid-template-columns:1fr 1fr}.lesson-count{margin-bottom:10px}.decision-panel h2{margin-bottom:14px}.lesson-notes{gap:20px;grid-template-columns:1fr}.lesson-notes .small{grid-column:auto}footer{padding:24px}.step-row span{text-align:left}.decision-panel #feedback{max-width:65ch}}
@media(max-width:480px){.masthead{padding:10px 16px;gap:10px}.brand{font-size:17px;gap:5px}.brand-ball{width:18px;height:18px;border-width:4px;margin-right:2px}.masthead nav{gap:14px;font-size:13px}main{padding:24px 16px 0}.intro{display:block}.preview-note{display:block;max-width:none;text-align:left;padding:0;margin-top:14px;font-size:12px}.lesson-progress{gap:14px;margin:22px 0 20px;justify-content:space-between}.lesson-progress li{gap:5px;font-size:12px}.lesson-progress span{width:19px;height:19px;font-size:12px}.view-bar>span{font-size:13px}.segmented button{font-size:12px;padding:6px 9px}.stage{aspect-ratio:1.04}.stage-status{top:10px;left:10px;font-size:12px}.transport{gap:6px}.transport button{font-size:13px;padding:8px 10px}.play-button{min-width:104px}.speed-label{gap:4px;font-size:12px}.speed-label select{padding:4px;font-size:12px}.timeline-row{gap:8px}.choices{grid-template-columns:1fr}.choices button{min-height:66px}.step-row{gap:2px 17px}.step-row span{flex-basis:100%;font-size:12px}.decision-panel h2{font-size:27px}.lesson-notes{margin-top:34px;padding-top:26px}.lesson-notes h2{font-size:24px}footer{padding:22px 16px;flex-direction:column;gap:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.detail-label{position:absolute;top:12px;right:12px;width:var(--detail-size,156px);padding:3px 6px;font-size:12px;color:var(--ink);background:#ffffffde;pointer-events:none}.detail-label:after{content:'';position:absolute;top:0;left:0;width:var(--detail-size,156px);height:var(--detail-size,156px);border:1px solid #a7b6ac;pointer-events:none}#decision-jump{display:none}#decision-panel{scroll-margin-top:20px}@media(max-width:850px){#decision-jump:not([hidden]){display:block;padding:14px 0 0;font-size:14px;font-weight:650}}@media(max-width:359px){.transport{flex-wrap:wrap}.speed-label{margin-left:auto}.transport button{min-width:0}.speed-label>select{max-width:92px}}

/* Catalog and shot comparison extend the existing court identity. */
.intro{align-items:flex-start}.intro .catalog-kicker{font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--green);font-weight:750;margin:0 0 9px}.catalog-kicker span{font-weight:500;color:var(--muted);margin-left:10px}.intro h1{font-size:clamp(30px,3.4vw,46px)}.lesson-switch{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:23px;padding-bottom:20px;border-bottom:1px solid var(--line)}.lesson-switch button{font-size:14px}.lesson-switch button[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.lesson-switch a{font-size:14px;margin-left:auto}.lesson-progress{margin-top:22px}.lesson-layout.lab-mode{margin-top:24px}.shot-label{position:absolute;left:12px;bottom:12px;background:#fffef3ec;border:1px solid #d9dfb6;border-radius:4px;padding:5px 9px;max-width:calc(100% - 24px);font-size:12px;font-weight:650;pointer-events:none}.shot-picker{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:20px 0 24px}.shot-picker button{text-align:left;font-size:14px;padding:9px 12px}.shot-picker button[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}#shot-name{font-size:22px;margin:0 0 8px}.shot-intro{margin-top:13px}.shot-metrics{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:22px 0}.shot-metrics div{border-top:1px solid var(--line);padding-top:8px}.shot-metrics dt{font-size:12px;color:var(--muted)}.shot-metrics dd{margin:3px 0 0;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}.target-note{border-left:3px solid var(--green);padding:4px 0 4px 12px;font-size:14px}.path-toggle{display:flex;align-items:center;gap:10px;font-size:14px;margin:18px 0;min-height:44px}.path-toggle input{width:18px;height:18px;accent-color:var(--green)}.catalog-section{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;margin-top:58px;border-top:1px solid var(--line);padding-top:30px}.catalog-section h2{font-size:28px;margin-bottom:12px}.catalog-section ol{list-style:none;margin:0;padding:0}.catalog-section li{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line)}.catalog-section li:first-child{padding-top:0}.catalog-section .catalog-title{font-size:15px;font-weight:650}.catalog-section .catalog-meta{font-size:12px;color:var(--muted);margin-top:3px}.catalog-section button{font-size:13px;padding:6px 12px;flex-shrink:0}.planned{color:var(--muted);font-size:12px;white-space:nowrap}#model-loading{position:absolute;inset:0;background:#e3ebe6e8;display:grid;place-items:center;font-size:14px;color:var(--green)}
@media(max-width:760px){.preview-note{display:none}.lesson-switch a{margin-left:0}.catalog-section{grid-template-columns:1fr;gap:18px;margin-top:38px}.shot-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.shot-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.shot-metrics dd{font-size:18px}.intro .catalog-kicker{font-size:11px}.catalog-section li{gap:12px}.catalog-section .catalog-title{font-size:14px}}
@media(max-width:359px){.shot-metrics{grid-template-columns:1fr 1fr}.catalog-kicker span{margin-left:5px}}
.compact-shot-picker{display:none}@media(max-width:850px){.lab-mode .compact-shot-picker{display:flex;align-items:center;justify-content:space-between;width:100%;font-size:13px;font-weight:650;gap:12px}.compact-shot-picker select{flex:1;max-width:210px;font-size:14px}.lab-mode .view-bar{flex-wrap:wrap;justify-content:flex-end}.lab-mode #scene-label{display:none}.lab-mode .shot-picker{display:none}}

.view-bar{flex-wrap:wrap}.segmented{max-width:100%}.segmented button{white-space:nowrap}@media(max-width:480px){.view-bar{gap:8px}.segmented button{padding-inline:8px}.stage-status{max-width:calc(100% - 20px)}}