:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f4f6fb;background:#0e1825;--gold:#ffcd73;--muted:#a9b6ca;--panel:#1b2b3d}*{box-sizing:border-box}body{margin:0;min-height:100dvh}main{max-width:1180px;margin:auto;padding:calc(env(safe-area-inset-top) + 22px) 20px calc(env(safe-area-inset-bottom) + 40px)}button,select,input{font:inherit}button{cursor:pointer;border:0}header{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:850;letter-spacing:.1em;font-size:.87rem}.sun{border-radius:16px;padding:12px;background:#263c4f;color:var(--gold);font-size:23px}.pill{padding:8px 12px;border:1px solid #4c5c70;border-radius:99px;color:var(--muted);font-size:.77rem}h1{font-size:clamp(2.3rem,6vw,4.5rem);line-height:1.05;letter-spacing:-.055em;margin:8px 0}h2{font-size:1.2rem;margin:0 0 14px}.eyebrow{color:var(--gold);font-size:.75rem;letter-spacing:.2em;font-weight:800;text-transform:uppercase}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.panel{background:var(--panel);border:1px solid #2b4056;border-radius:24px;padding:22px}.subgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.stat{background:#26394d;border-radius:14px;padding:18px 12px;text-align:center}.stat strong{font-size:1.55rem;display:block}.stat span{font-size:.73rem;color:var(--muted)}.select-row{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.select-row button{background:#283b4e;color:#dce5f2;border-radius:12px;padding:12px 15px}.select-row button.selected{background:var(--gold);color:#132131;font-weight:800}.gold{background:var(--gold);color:#101927;border-radius:18px;padding:15px 24px;font-weight:800}.secondary{background:#2b4055;color:white;border:1px solid #456079;border-radius:15px;padding:13px 17px}.danger{color:#ffaaa9}.row{display:flex;justify-content:space-between;gap:10px;align-items:center}.exercise{padding:14px 0;border-bottom:1px solid #334659;display:flex;justify-content:space-between;gap:10px}.exercise small{color:var(--muted);display:block;margin-top:5px;line-height:1.4}.exercise:last-child{border:0}.demo{height:240px;border-radius:20px;background:radial-gradient(circle at 55% 55%,#2f4961,#101d2b);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.demo svg{width:min(100%,320px);height:100%;overflow:visible}.figure{stroke:#ffcf81;stroke-width:9;fill:none;stroke-linecap:round;stroke-linejoin:round}.weight{fill:#83d6d3;stroke:none}.mat{stroke:#597389;stroke-width:4;stroke-linecap:round}.move-squat{animation:squat 2.5s ease-in-out infinite;transform-origin:150px 145px}.move-hinge{animation:hinge 2.5s ease-in-out infinite;transform-origin:155px 145px}.move-arms{animation:arms 2.5s ease-in-out infinite;transform-origin:150px 90px}.move-step{animation:step 2.5s ease-in-out infinite}.move-floor{animation:floor 2.5s ease-in-out infinite;transform-origin:center}.move-calf{animation:calf 2.5s ease-in-out infinite}.move-side{animation:side 2.5s ease-in-out infinite}@keyframes squat{50%{transform:translateY(30px) scaleY(.84)}}@keyframes hinge{50%{transform:rotate(28deg)}}@keyframes arms{50%{transform:scaleX(1.35)}}@keyframes step{50%{transform:translateX(15px)}}@keyframes floor{50%{transform:rotate(12deg)}}@keyframes calf{50%{transform:translateY(-18px)}}@keyframes side{50%{transform:translateX(22px)}}@media(prefers-reduced-motion:reduce){.demo svg *{animation:none!important}}.timer{font-variant-numeric:tabular-nums;font-size:clamp(3.7rem,11vw,7rem);letter-spacing:-.07em;font-weight:800;line-height:1.1}.progress{height:10px;border-radius:10px;background:#3b5266;overflow:hidden;margin:18px 0}.fill{height:100%;background:var(--gold);width:0;transition:width .2s linear}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.tiny{font-size:.8rem;color:var(--muted);line-height:1.5}.timeline{font-size:.85rem;color:#c8d6e8}.history{max-height:270px;overflow:auto}.history p{padding:9px 0;border-bottom:1px solid #30455a;margin:0}.hidden{display:none!important}label{font-size:.87rem;color:#cbd7e5}select,input[type=number]{background:#0f2131;border:1px solid #4a627c;color:white;border-radius:10px;padding:10px;margin-left:8px;max-width:130px}input[type=checkbox]{accent-color:var(--gold)}.recovery{border-left:4px solid var(--gold);padding:12px;background:#23374b;border-radius:9px;margin:12px 0}.footer{margin-top:24px;font-size:.75rem;color:#8798ad}svg .figure{vector-effect:non-scaling-stroke}@media(max-width:760px){.grid{grid-template-columns:1fr}main{padding-left:14px;padding-right:14px}.panel{padding:17px}.demo{height:235px}.subgrid{margin:15px 0}.stat strong{font-size:1.3rem}}

#account{margin-bottom:24px}#password{max-width:100%;padding:12px;border-radius:10px}.history a{color:var(--gold)}#signedIn{display:flex;gap:10px;flex-wrap:wrap}button:disabled{opacity:.55;cursor:default}

.login-page{background:radial-gradient(ellipse at top,#24394a 0%,#0e1825 65%)}.login-main{max-width:480px;min-height:100dvh;display:flex;flex-direction:column;justify-content:center;gap:28px}.login-main>.brand{justify-content:center}.login-card{padding:32px}.login-card h1{font-size:2.5rem;margin:12px 0}.login-intro{color:var(--muted);line-height:1.65}.login-card form{display:grid;gap:12px}.login-card input{width:100%;min-height:48px;background:#0e1825;border:1px solid #64758a;border-radius:12px;color:#fff;padding:12px}.login-card button,.login-google{min-height:48px;width:100%;border-radius:12px;text-align:center;font-weight:700}.login-google{display:block;text-decoration:none;padding:15px;margin:24px 0}.login-google.hidden{display:none}.login-footnote{text-align:center}.login-card .eyebrow{letter-spacing:.12em;font-size:.7rem;color:var(--gold)}.login-card :focus-visible{outline:3px solid var(--gold);outline-offset:4px}@media(max-width:420px){.login-card{padding:24px}.login-main{gap:22px}}

.app-intro{margin-bottom:20px}.app-intro p{max-width:75ch;line-height:1.6}button:disabled{opacity:.55;cursor:default}