:root{--blue:#3158f5;--blue-dark:#2344cd;--ink:#172137;--muted:#738097;--line:#e6eaf1;--paper:#f6f8fc;--white:#fff;--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #8ea5ff;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:42px;letter-spacing:-1.7px;line-height:1.13;margin-bottom:16px}h2{font-size:25px;letter-spacing:-.7px}h3{font-size:18px;letter-spacing:-.3px}p{line-height:1.7}.site-header{max-width:1200px;margin:auto;padding:27px 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a[aria-current]{color:var(--ink)}.quiet-link,.text-link{font-size:14px;font-weight:650;color:var(--blue)}.skip-link{position:absolute;top:-100px;background:white;padding:12px;z-index:20}.skip-link:focus{top:0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:20px}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--blue)}.lead{font-size:17px;color:var(--muted);line-height:1.8}.muted,.fine-print{color:var(--muted)}.fine-print{font-size:12px;line-height:1.7}.auth-layout{max-width:1120px;margin:38px auto 55px;display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:start;padding:0 40px}.auth-story h1{font-size:58px;line-height:1.08;letter-spacing:-2.7px;max-width:510px}.auth-story h1 span{display:block;color:var(--blue)}.auth-story .lead{max-width:430px}.auth-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:35px;box-shadow:0 14px 55px #1a335707}.auth-card h2{font-size:30px;margin-bottom:8px}.auth-card>.muted{font-size:14px}.auth-form{display:flex;flex-direction:column;margin-top:25px}.auth-form label{font-size:13px;font-weight:650;margin-bottom:8px}.auth-form input{width:100%;min-height:49px;border:1px solid #dce2ec;border-radius:10px;padding:11px 14px;background:#fcfdff;font-size:16px;margin-bottom:18px;color:var(--ink)}.auth-form small{margin-top:-10px;margin-bottom:16px;font-size:12px}.auth-form small:empty{display:none}.auth-form input[aria-invalid=true]{border-color:#c94b56}.button{min-height:49px;display:flex;justify-content:space-between;align-items:center;gap:18px;background:var(--blue);border:1px solid transparent;border-radius:11px;padding:13px 19px;color:white;font-size:14px;font-weight:700;transition:background .15s}.button:hover:not(:disabled){background:var(--blue-dark)}.button.secondary{background:white;color:var(--ink);border-color:var(--line)}.button.secondary:hover:not(:disabled){background:var(--paper)}.auth-form .button{margin-top:8px}.auth-foot{text-align:center;border-top:1px solid var(--line);padding-top:23px;margin-top:25px;font-size:13px;color:var(--blue)}.auth-card>.fine-print{text-align:center;margin-bottom:0}.form-error{font-size:13px;color:#ad3044;background:#fff1f3;border-radius:9px;padding:10px 12px;line-height:1.6}.notice{font-size:13px;padding:13px;border-radius:10px;background:#eef7f2;color:#237450}.resend-form{margin-top:15px}.resend-form .button{width:100%;justify-content:center}.verification-code{text-align:center;font-size:28px!important;letter-spacing:12px}.step-list{margin-top:45px}.step-list>div{display:flex;align-items:center;gap:20px;border-top:1px solid var(--line);padding:20px 0}.step-list span{color:var(--blue);font-size:12px;font-weight:750}.step-list p{margin:0;font-size:14px}.training-art{position:relative;height:210px;background:#eaf0ff;border-radius:18px;overflow:hidden;margin-top:30px;isolation:isolate}.art-grid{position:absolute;inset:0;background-image:linear-gradient(#dce5fd 1px,transparent 1px),linear-gradient(90deg,#dce5fd 1px,transparent 1px);background-size:32px 32px;transform:rotate(-15deg) scale(1.3)}.barbell-bar{position:absolute;left:14%;right:14%;top:92px;height:17px;background:linear-gradient(#b6c9ec,#91a6cb);transform:rotate(-17deg);border-radius:5px;box-shadow:0 15px 24px #3d5a9226}.weight{position:absolute;width:56px;height:105px;background:linear-gradient(110deg,#547aff,#284bd4);border:6px solid #89a4ff;border-radius:12px;transform:rotate(-17deg);box-shadow:9px 9px 0 #203fad}.left-weight{left:23%;top:70px}.right-weight{right:22%;top:20px}.art-label{position:absolute;left:20px;bottom:17px;color:#6e83b2;letter-spacing:2px;font-size:9px;font-weight:800}.story-points{display:flex;gap:21px;margin-top:18px;font-size:10px;color:var(--muted);font-weight:650}.page{max-width:1120px;margin:30px auto 70px;padding:0 40px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:20px}.page-heading .eyebrow{margin-bottom:10px}.page-heading h1{font-size:36px;margin:0}.pill{border:1px solid var(--line);background:white;border-radius:30px;padding:9px 14px;font-size:11px;font-weight:650;white-space:nowrap}.dashboard-grid{display:grid;grid-template-columns:1.75fr 1fr;gap:20px}.hero-card{background:#eaf0ff;border-radius:var(--radius);padding:34px;position:relative;overflow:hidden}.hero-card h2{font-size:32px;max-width:360px;position:relative;z-index:1}.hero-card p:not(.eyebrow){color:#667590;max-width:320px;font-size:14px;position:relative;z-index:1}.hero-card .button{width:160px;position:relative;z-index:1}.hero-rings{position:absolute;right:-70px;top:60px;width:260px;height:260px;border:35px solid #dbe5ff;border-radius:50%;box-shadow:0 0 0 24px #e2eaff}.note-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:center}.card-number{font-size:10px;letter-spacing:2px;color:var(--blue);margin-bottom:30px}.note-card p{font-size:14px;color:var(--muted);margin:0}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:34px 0 15px;gap:15px}.section-heading h2{font-size:19px;margin:0}.section-heading>span{font-size:12px}.empty-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:40px;text-align:center}.empty-card h3{margin:18px 0 8px}.empty-card p{max-width:400px;margin:0 auto 18px;color:var(--muted);font-size:14px}.empty-icon{display:grid;place-items:center;background:#f0f4ff;color:var(--blue);font-size:28px;width:57px;height:57px;border-radius:17px;margin:auto}.workout-actions{display:grid;grid-template-columns:1fr 1fr;gap:20px}.action-card{background:#eaf0ff;border-radius:var(--radius);padding:30px}.action-card.light{background:white;border:1px solid var(--line)}.action-card p{font-size:14px;color:var(--muted)}.action-icon{font-size:28px;color:var(--blue);display:block;margin-bottom:20px}.action-card h2{font-size:22px}.profile-card{display:flex;align-items:center;gap:24px;padding:30px;background:white;border:1px solid var(--line);border-radius:var(--radius)}.avatar{display:grid;place-items:center;width:80px;height:80px;flex-shrink:0;background:#eaf0ff;border-radius:25px;font-size:32px;font-weight:750;color:var(--blue)}.avatar.small{width:36px;height:36px;font-size:16px;border-radius:12px}.profile-card h2{margin-bottom:4px}.profile-card p{font-size:13px;margin-bottom:0}.username{overflow-wrap:anywhere}.verified{margin-left:auto;color:#237450;background:#f1f8f4}.account-card{margin-top:24px;padding:25px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}.account-card h3{margin-bottom:5px}.account-card p{font-size:13px;margin:0}.bottom-nav{position:fixed;left:22px;top:220px;width:82px;padding:10px;background:white;border:1px solid var(--line);border-radius:20px;z-index:10;box-shadow:0 4px 25px #15265505}.bottom-nav a{display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;min-height:70px;font-size:10px;color:var(--muted);border-radius:12px;margin:4px 0;font-weight:650}.bottom-nav a>span{font-size:24px;line-height:1}.bottom-nav a.selected{background:#eef2ff;color:var(--blue)}.site-footer{max-width:1120px;display:flex;justify-content:space-between;padding:25px 40px;margin:auto;color:#8c97aa;font-size:11px}.site-footer>span:first-child{font-weight:800;letter-spacing:1px}.error-page{text-align:center;padding-top:55px}.error-page .eyebrow{justify-content:center;margin-top:22px}.error-page .button{display:inline-flex}.error-page .lead{max-width:500px;margin:20px auto}
@media(max-width:1280px){.bottom-nav{left:50%;transform:translateX(-50%);top:auto;bottom:16px;width:340px;display:flex;padding:5px 12px;border-radius:22px}.bottom-nav a{flex:1;min-height:54px;margin:0}.page{margin-bottom:100px}.site-footer{padding-bottom:100px}.auth-layout{gap:50px}.auth-story h1{font-size:52px}}
@media(max-width:800px){.site-header{padding:18px 24px}.auth-layout{gap:28px;padding:0 24px;grid-template-columns:1fr 1fr;margin-top:25px}.auth-story h1{font-size:40px}.auth-card{padding:26px}.training-art{height:180px}.story-points{flex-wrap:wrap;gap:12px}.page{padding:0 24px}.page-heading h1{font-size:30px}.dashboard-grid{grid-template-columns:1.5fr 1fr}.hero-card,.note-card{padding:25px}.hero-card h2{font-size:27px}.profile-card{flex-wrap:wrap}.verified{margin-left:0}}
@media(max-width:600px){.site-header{padding:16px 22px}.brand{font-size:24px}.brand-mark{width:32px;height:32px;font-size:21px}.header-actions{gap:18px}.header-actions>.quiet-link{font-size:12px}.auth-layout{grid-template-columns:1fr;padding:0 22px;gap:25px;margin:16px auto 20px}.auth-story h1{font-size:43px;max-width:340px;letter-spacing:-1.8px;margin-bottom:12px}.auth-story .eyebrow{margin-bottom:14px}.auth-story .lead{font-size:14px;max-width:350px;margin-bottom:0}.training-art,.story-points,.step-list{display:none}.auth-card{padding:25px 23px;border-radius:20px}.auth-card .eyebrow{margin-bottom:10px}.auth-card h2{font-size:26px}.auth-form{margin-top:20px}.auth-foot{margin-bottom:12px}.register-story h1{font-size:35px}.page{padding:0 22px;margin-top:20px}.page-heading{margin-bottom:25px}.page-heading .pill{display:none}.page-heading h1{font-size:30px}.page-heading .eyebrow{font-size:10px}.dashboard-grid{grid-template-columns:1fr}.note-card{display:none}.hero-card{padding:28px}.hero-card h2{font-size:29px;max-width:250px}.hero-card p:not(.eyebrow){max-width:245px}.hero-rings{right:-125px}.section-heading{margin-top:28px}.section-heading>span{font-size:10px}.empty-card{padding:30px 24px}.empty-card p{font-size:13px}.bottom-nav{width:calc(100% - 32px);max-width:420px;bottom:calc(10px + env(safe-area-inset-bottom));padding:6px 14px;border-radius:20px}.bottom-nav a{min-height:53px;font-size:10px}.bottom-nav a>span{font-size:23px}.workout-actions{grid-template-columns:1fr;gap:14px}.action-card{padding:24px}.action-icon{margin-bottom:12px}.action-card h2{font-size:21px;margin-bottom:10px}.profile-card{padding:24px;gap:16px}.avatar{width:60px;height:60px;font-size:26px;border-radius:20px}.profile-card>div:nth-child(2){min-width:0;flex:1}.profile-card h2{font-size:22px}.profile-card .verified{margin-left:76px}.account-card{align-items:flex-start;flex-direction:column}.account-card form{width:100%}.account-card .button{width:100%}.site-footer{padding:25px 22px 100px;font-size:10px}.site-footer>span:last-child{max-width:220px;text-align:right}.error-page h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}


.exercise-search{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:24px 0}.exercise-search label{font-size:13px}.exercise-search input,.exercise-search select,.viewer-controls select{font:inherit;border:1px solid var(--line);border-radius:10px;padding:12px;background:white;min-height:46px}.exercise-search input{flex:1;min-width:150px}.exercise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.exercise-card{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden}.exercise-card>div{padding:23px}.exercise-card h2{font-size:21px;line-height:1.35}.exercise-card p{font-size:13px;color:var(--muted)}.exercise-symbol{display:grid;place-items:center;height:145px;background:#eaf0ff;font-size:75px;color:var(--blue)}.exercise-detail{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}.viewer-card{background:white;border:1px solid var(--line);border-radius:22px;overflow:hidden}.exercise-viewer{position:relative;width:100%;height:460px;touch-action:pan-y}.exercise-viewer canvas{display:block;width:100%;height:100%}.viewer-status{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:30px;font-size:14px;color:var(--muted)}.viewer-status[hidden]{display:none}.viewer-controls{display:flex;align-items:center;gap:10px;padding:16px;flex-wrap:wrap}.viewer-controls label{display:flex;align-items:center;gap:7px;font-size:12px}.viewer-note{font-size:12px;color:var(--muted);padding:0 18px 16px;margin:0}.exercise-instructions section{background:white;border:1px solid var(--line);border-radius:20px;padding:25px;margin-bottom:18px}.exercise-instructions h2{font-size:20px}.exercise-instructions h3{font-size:15px}.muscle-label{padding-left:12px;border-left:4px solid #e94e57}.muscle-label.secondary{border-color:#f5a251}.exercise-instructions ol{padding-left:20px;margin-bottom:0}.exercise-instructions li{padding:0 0 15px 5px;font-size:14px;line-height:1.8;color:#64718a}.exercise-detail+.section-heading{margin-top:30px}@media(max-width:800px){.exercise-grid{grid-template-columns:1fr 1fr}.exercise-detail{grid-template-columns:1fr}.exercise-viewer{height:430px}}@media(max-width:600px){.exercise-grid{grid-template-columns:1fr}.exercise-search{gap:8px}.exercise-search label{width:100%}.exercise-search input{width:100%}.exercise-viewer{height:380px}.viewer-controls{gap:8px;padding:12px}.viewer-controls .button{font-size:12px;padding:10px 14px}.viewer-controls label{width:100%}.page-heading{margin-top:20px}.exercise-card{display:flex;align-items:center}.exercise-symbol{width:88px;height:170px;flex-shrink:0;font-size:40px}.exercise-card>div{padding:18px}.exercise-card h2{font-size:18px}.exercise-card .eyebrow{margin-bottom:10px}}

.exercise-poster{display:block;width:100%;height:210px;object-fit:contain;background:#f1f4fa;border-radius:16px}.exercise-video{display:block;width:100%;max-height:380px;background:#f1f4fa;border-radius:16px;margin-top:16px}
@media(max-width:600px){.exercise-poster{width:112px;height:180px;flex-shrink:0;border-radius:0}}
.exercise-viewer[data-failed=true]{height:100px}.exercise-viewer[data-failed=true] canvas{display:none}
/* Immersive anatomy scene: panels float above the viewport, without a second media player. */
.exercise-stage{position:fixed;inset:0;background:#f1f4fa;overflow:hidden}.exercise-stage .immersive-viewer{position:absolute;inset:0;width:100%;height:100%;touch-action:none}.glass-panel{background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.95);box-shadow:0 8px 35px #25395912;backdrop-filter:blur(18px);border-radius:20px}.scene-heading{position:absolute;top:max(20px,env(safe-area-inset-top));left:24px;display:flex;align-items:center;gap:16px;padding:16px 22px;max-width:calc(100% - 48px)}.scene-heading h1{font-size:22px;margin:0;line-height:1.25}.scene-heading .eyebrow{margin:0 0 5px;font-size:10px}.scene-back{display:grid;place-items:center;width:44px;height:44px;border:1px solid #dde3ec;border-radius:50%;font-size:25px;flex-shrink:0}.scene-legend{position:absolute;left:24px;top:126px;display:flex;gap:8px;align-items:center;font-size:11px;padding:12px 16px}.active-swatch,.rest-swatch{display:inline-block;width:9px;height:9px;border-radius:50%;background:#c92f42}.rest-swatch{background:#728d98;margin-left:10px}.scene-information{position:absolute;right:24px;top:24px;width:300px;overflow:hidden}.scene-information summary{cursor:pointer;padding:18px;display:flex;gap:12px;justify-content:space-between;font-size:13px;font-weight:600;list-style:none}.scene-information-content{padding:0 20px 16px;max-height:55dvh;overflow:auto}.scene-information h2{font-size:13px;margin:15px 0 5px}.scene-information p,.scene-information li{font-size:13px;line-height:1.7}.scene-information ol{padding-left:18px}.scene-toolbar{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;gap:8px;padding:10px;align-items:center;white-space:nowrap}.scene-toolbar .button{padding:12px 18px;font-size:13px;min-height:44px}.scene-toolbar label{display:flex;align-items:center;gap:8px;font-size:11px;padding:0 8px}.scene-toolbar select{border:0;background:transparent;font:inherit;min-height:44px}.scene-loader{width:26px;height:26px;border:3px solid #d7dfe7;border-top-color:#3158f5;border-radius:50%;animation:scene-load 1s linear infinite}.exercise-stage .viewer-status{align-content:center;gap:18px;background:#f1f4fa}.exercise-stage [data-error] img{max-height:60vh;max-width:100%;margin:auto}.exercise-stage [data-failed=true]{height:100%}.scene-information summary:focus-visible,.scene-back:focus-visible{outline:3px solid #3158f5;outline-offset:3px}@keyframes scene-load{to{transform:rotate(360deg)}}
@media(max-width:900px){.scene-heading{top:max(14px,env(safe-area-inset-top));left:14px;max-width:calc(100% - 28px);padding:12px 16px;gap:12px}.scene-heading h1{font-size:18px}.scene-legend{left:14px;top:108px;padding:10px 14px}.scene-information{left:14px;right:14px;top:auto;bottom:100px;width:auto}.scene-information-content{max-height:36dvh}.scene-toolbar{bottom:max(16px,env(safe-area-inset-bottom));max-width:calc(100% - 28px);gap:4px}.scene-toolbar .button{padding:10px 13px}.scene-toolbar label>span{display:none}}
.scene-breath{position:absolute;top:180px;left:24px;padding:10px 14px;font-size:12px;display:flex;align-items:center;gap:8px}.breath-dot{width:8px;height:8px;border-radius:50%;background:#638c91}.skin-control{display:flex;align-items:center;gap:14px;font-size:13px;padding:8px 0}.skin-control input{min-width:0;width:130px;accent-color:#3158f5}@media(max-width:900px){.scene-breath{top:154px;left:14px;font-size:11px}}