:root{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:#172a27;background:#f2f4f3;font-size:16px;--green:#172a27;--lime:#d9fa70;--muted:#64736e}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:0;border-radius:12px;min-height:48px;padding:10px 16px;background:#e8eeea;color:var(--green);font-weight:650}button:hover{filter:brightness(.96)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #64872b;outline-offset:3px}button:disabled{opacity:.5;cursor:default}header{max-width:1060px;margin:auto;padding:26px 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce3df}.brand{font-size:28px;font-weight:800;letter-spacing:-1px;display:flex;align-items:center;gap:10px}.mark{background:var(--green);color:var(--lime);width:36px;height:38px;border-radius:12px;text-align:center}.brand-note{font-size:11px;letter-spacing:2px;margin-left:18px}.local{font-size:13px;color:var(--muted)}main{max-width:920px;margin:auto;padding:30px 24px 190px}h1{font-size:36px;line-height:1.12;letter-spacing:-1.3px;margin:8px 0 16px}h2{font-size:22px;margin:0 0 12px;letter-spacing:-.5px}h3{font-size:18px;margin:0 0 8px}p{line-height:1.55;margin:8px 0}.muted,small{color:var(--muted)}small{font-size:13px}.eyebrow{font-size:12px;letter-spacing:1.6px;font-weight:750;text-transform:uppercase;color:var(--muted)}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.wrap{flex-wrap:wrap}.hero{background:var(--green);color:white;border-radius:24px;padding:26px;margin-bottom:18px;position:relative;overflow:hidden}.hero p{color:#c4d0c8}.hero .eyebrow{color:var(--lime)}.hero h2{font-size:30px}.badge{display:inline-block;padding:6px 10px;border-radius:7px;background:#edf3df;color:#40551d;font-size:13px;font-weight:650}.hero .badge{background:#34463b;color:var(--lime)}.primary{background:var(--lime);color:var(--green)}.dark{background:var(--green);color:white}.full{width:100%;margin-top:14px}.card{background:white;border:1px solid #dde5df;border-radius:20px;padding:22px;margin:14px 0}.note{background:#e8eee8;border-radius:12px;padding:14px 16px;font-size:14px;line-height:1.5}.warning{background:#fff0d9;color:#775013}.segmented{display:flex;background:#e2e8e4;padding:4px;border-radius:14px;gap:4px;margin:18px 0}.segmented button{flex:1;background:transparent}.segmented button.selected{background:white;box-shadow:0 2px 5px #172a2710}.exercise-title{display:flex;gap:12px;align-items:flex-start}.number{color:#7a8a81;font-size:14px;padding-top:3px}.exercise-title h2{font-size:21px}.video{display:inline-block;color:#3d6240;font-size:14px;padding:10px 0;text-decoration:none;font-weight:650}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.meta span{background:#f1f4f1;border-radius:6px;padding:6px 9px;font-size:13px}.set-head,.set{display:grid;grid-template-columns:28px minmax(0,1fr) minmax(0,1fr) minmax(0,.85fr) 48px;gap:8px;align-items:center}.set-head{font-size:12px;color:var(--muted);margin:18px 0 8px}.set{margin:8px 0}.set input{min-width:0;width:100%;height:50px;border:1px solid #d9e1db;background:#f7f9f7;border-radius:10px;text-align:center;font-size:18px;font-variant-numeric:tabular-nums}.set input:disabled{color:#4b6050;opacity:1}.set .done{background:var(--green);color:var(--lime)}.set button{padding:0}.set.complete{background:#edf4e8;border-radius:10px}.check{display:flex;align-items:center;gap:10px;font-size:14px;min-height:44px}.check input{width:21px;height:21px;accent-color:#264b37}.checks{margin-top:14px;border-top:1px solid #e6ece7;padding-top:10px}.recommend{font-size:14px;border-left:3px solid #9ebb58;padding-left:12px;line-height:1.5;margin-top:14px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.stat{background:white;border:1px solid #dde5df;border-radius:15px;padding:16px}.stat strong{display:block;font-size:28px;letter-spacing:-1px}.stat small{display:block;margin-top:4px}.exercise-list{padding:14px 0;border-bottom:1px solid #e5ebe6}.exercise-list:last-child{border:0}.exercise-list p{font-size:14px}select{width:100%;min-height:48px;border:1px solid #d5dfd7;border-radius:10px;background:white;padding:10px;color:var(--green)}nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;background:#ffffffed;backdrop-filter:blur(14px);border-top:1px solid #dce3df;padding:8px 12px calc(8px + env(safe-area-inset-bottom));z-index:5}nav button{width:150px;background:transparent;font-size:23px;color:#728079;border-radius:12px}nav span{display:block;font-size:12px;margin-top:3px}nav button.active{color:var(--green);background:#eef4e7}#timer{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);width:min(480px,calc(100% - 24px));background:#243c31;color:white;border:1px solid #638159;box-shadow:0 8px 30px #142c3133;border-radius:16px;padding:10px 14px;z-index:6}#timer .time{font-size:25px;font-weight:750;font-variant-numeric:tabular-nums}#timer button{min-height:42px;padding:6px 12px;background:#3a5341;color:white}#toast{position:fixed;top:12px;left:50%;transform:translateX(-50%);background:#172a27;color:white;padding:12px 20px;border-radius:12px;z-index:20;max-width:95%;box-shadow:0 4px 16px #0002}#toast:empty{display:none}details summary{cursor:pointer;min-height:48px;padding:10px 0;font-weight:650}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:10px 4px;border-bottom:1px solid #edf0ed}.chart{width:100%;height:auto;display:block}.chart text{font-family:inherit;font-size:13px;fill:#64736e}.empty{padding:30px 10px;text-align:center}.actions{display:flex;gap:8px;flex-wrap:wrap}.file-label{display:inline-flex;align-items:center;cursor:pointer;min-height:48px;padding:10px 16px;background:#e8eeea;border-radius:12px;font-weight:650}.progress-track{height:5px;background:#e2e9df;border-radius:5px;margin-top:14px}.progress-track i{display:block;height:100%;background:#668b35;border-radius:5px}.mini-input{width:76px;min-height:44px;border:1px solid #d6dfd7;border-radius:8px;padding:8px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.danger{color:#943b30;background:#f9eae5}a{color:#3d6240}@media(max-width:600px){header{padding:18px 18px}.brand-note{display:none}.local{font-size:12px}main{padding:24px 14px 190px}h1{font-size:31px}.hero{padding:22px}.card{padding:17px;border-radius:17px}.stats{gap:8px}.stat{padding:12px}.stat strong{font-size:24px}.two-col{grid-template-columns:1fr;gap:0}.set-head,.set{gap:6px;grid-template-columns:22px minmax(0,1fr) minmax(0,1fr) minmax(0,.8fr) 44px}.exercise-title h2{font-size:19px}.hero h2{font-size:27px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s}}

.confirm-dialog{border:1px solid #dce3df;border-radius:18px;padding:24px;width:min(440px,calc(100% - 32px));color:#172a27}.confirm-dialog::backdrop{background:#13251dcc}.confirm-dialog .actions{justify-content:flex-end;margin-top:20px}

/* Longer product name stays readable on narrow screens. */
.brand .mark{flex-shrink:0}header{gap:12px;flex-wrap:wrap}@media(max-width:600px){.brand{font-size:23px;letter-spacing:-.7px}header .local{margin-left:46px}}

.brand .mark{width:40px;height:40px;display:inline-flex;background:transparent}.brand .mark svg{display:block;width:100%;height:100%}

.exercise-video{margin:10px 0}.exercise-video summary{color:#3d6240}.video-player:empty{display:none}.video-player{aspect-ratio:16/9;background:#172a27;border-radius:12px;overflow:hidden}.video-player iframe{display:block;width:100%;height:100%;border:0}.video-caption{font-size:14px}

.muscle-label{font-size:14px;line-height:1.6;margin:12px 0;color:#405742}.muscle-details{background:#f5f8f5;border-radius:12px;padding:0 12px;margin:10px 0}.muscle-details summary{font-size:14px}.muscle-details p{font-size:14px}.muscle-details small{display:block;padding-bottom:14px;line-height:1.5}.muscle-map{display:block;width:100%;max-width:320px;height:auto;margin:0 auto}.muscle-legend{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;margin:12px 0}.muscle-legend span{display:flex;align-items:center;gap:6px}.muscle-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}.muscle-main{background:#7baf25}.muscle-assist{background:#a6cce8}

/* Detailed anatomical map, bundled locally for offline use. */
.anatomy-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:390px;margin:4px auto 18px;padding:14px 8px 10px;background:#fff;border:1px solid #e6ebe8;border-radius:16px}.anatomy-pair figure{margin:0;min-width:0}.anatomy-pair .muscle-map{width:100%;max-width:none;margin:0}.anatomy-pair figcaption{text-align:center;font-size:12px;color:#74817b;margin-top:5px}.muscle-main{background:#e45f58}.muscle-assist{background:#f4b785}

.cloud-button{font-size:12px;min-height:40px;padding:8px 10px}.confirm-dialog input{display:block;width:100%;padding:12px;border:1px solid #cbd6cf;border-radius:10px;margin:8px 0 14px}.confirm-dialog button.full{margin:8px 0}