:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#1d3028;background:#f5f6f1;font-synthesis:none}
    *{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}
    :focus-visible{outline:3px solid #ecb75e;outline-offset:3px}.hidden{display:none!important}
    .site-head{background:#fff;color:#183326;border-bottom:1px solid #dce7dd}.site-head-inner{max-width:1120px;margin:auto;padding:10px 24px;display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:100px}
    .brand{width:305px;max-width:55%;flex:none}.brand img{display:block;width:100%;height:auto}.person{font-size:13px;color:#4c6956;white-space:nowrap}
    .demo-strip{background:#e7eee5;color:#395c44;font-size:12px;line-height:1.4;padding:9px 24px;text-align:center;border-bottom:1px solid #d5e1d5}
    .wrap{max-width:1120px;margin:auto;padding:0 24px 64px}.top{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:31px 0 24px}
    .eyebrow{font-size:11px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:#54765d}.top h1{font-size:clamp(31px,5vw,47px);letter-spacing:-.045em;line-height:1.08;margin:8px 0 5px}.muted{color:#65746b}.top p{margin:0;color:#65746b}
    .tabs{display:flex;gap:6px;background:#e9eee6;padding:5px;border-radius:16px}.tabs button{border:0;background:transparent;border-radius:12px;color:#476453;padding:11px 19px;font-weight:800}.tabs button[aria-current="page"]{background:#fff;color:#204f36;box-shadow:0 2px 9px #12281916}
    .panel{background:#fff;border:1px solid #e0e7df;border-radius:21px;box-shadow:0 14px 40px #14292308}
    .session-header{padding:24px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(110deg,#fff 30%,#f7faf4 100%)}
    .session-header h2{font-size:clamp(23px,3vw,32px);letter-spacing:-.035em;line-height:1.15;margin:7px 0}.session-header .muted{font-size:14px;margin:0}
    .session-picker{min-width:240px;display:grid;gap:7px}.session-picker label,.input-label{font-size:12px;font-weight:800;color:#526b58}
    input,select,textarea{border:1px solid #cedbd0;border-radius:11px;color:#20372a;background:#fff;padding:11px 12px;min-height:44px;width:100%}textarea{min-height:90px;resize:vertical;line-height:1.45}
    .toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 1px 15px}.progress{font-size:14px;font-weight:700;color:#3d5946}.track{display:inline-flex;vertical-align:middle;width:108px;height:8px;background:#d8e8d9;border-radius:20px;margin-left:9px;overflow:hidden}.track span{background:#4a9766;display:block;height:100%;width:0;transition:width .2s}
    .toolbar-actions{display:flex;gap:9px;flex-wrap:wrap}.btn{border:1px solid #cbdccf;background:white;color:#235c3d;border-radius:11px;padding:10px 14px;font-weight:800;font-size:13px}.btn:hover{background:#f2f8f1}.btn-primary{background:#225e42;color:#fff;border-color:#225e42}.btn-primary:hover{background:#194c34}
    .exercise-list{display:grid;gap:10px}.exercise{background:#fff;border:1px solid #dfe7de;border-radius:16px;overflow:hidden;transition:border-color .2s,background .2s}.exercise.done{border-color:#9bcbaa;background:#f4faf3}.exercise[open]{box-shadow:0 9px 24px #1429230c}
    summary{list-style:none;cursor:pointer}summary::-webkit-details-marker{display:none}.ex-summary{display:flex;align-items:center;gap:13px;padding:17px 18px}.number{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none;background:#eaf0e8;color:#486452;font-weight:850;font-size:13px}.done .number{background:#328359;color:white}
    .ex-text{min-width:0;flex:1}.ex-family{color:#67846d;font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:850}.ex-title{font-size:17px;line-height:1.25;font-weight:800;margin-top:3px}.status{color:#2f8654;font-size:12px;font-weight:800;white-space:nowrap}
    .chevron{font-size:23px;color:#5d7964;line-height:1;transition:transform .2s}.exercise[open] .chevron{transform:rotate(180deg)}.ex-body{border-top:1px solid #e3ece3;margin:0 18px;padding:3px 0 18px 47px}
    .field{padding-top:14px}.field-label{color:#657969;font-size:11px;font-weight:850;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}.field-value{white-space:pre-wrap;line-height:1.52;font-size:14px}.resource-list{display:grid;gap:7px;justify-items:start}.resource-list a{display:inline-flex;align-items:center;background:#eaf4e9;border:1px solid #cde3d0;border-radius:10px;padding:9px 12px;color:#205b3b;text-decoration:none;font-size:13px;font-weight:750}.resource-list a:hover{text-decoration:underline}.video-tag{color:#2f7350;background:#e8f3e7;border-radius:8px;padding:5px 7px;font-size:11px;font-weight:800;white-space:nowrap}
    .ex-body textarea{font-size:14px}.ex-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.save-hint{color:#718075;font-size:12px}.done-button{background:#225e42;color:white;border:1px solid #225e42;border-radius:10px;padding:11px 17px;font-weight:800}.done .done-button{background:#fff;color:#266f48}
    .tip{font-size:12px;line-height:1.5;color:#62736a}.feedback{margin-top:20px;padding:23px}.feedback h2,.video-card h2{font-size:20px;letter-spacing:-.02em;margin:0 0 5px}.feedback p{font-size:13px;color:#65766a;margin:0 0 14px}.scale-guide{background:#f2f7f0;border:1px solid #dfebdf;border-radius:11px;padding:11px 13px;margin:0 0 18px;font-size:12px;line-height:1.65;color:#405f49}.scale-guide strong{display:block;margin-bottom:3px}.scale-guide span{display:inline-block;margin-right:13px;white-space:nowrap}.rating-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rating-grid label{display:grid;gap:6px;font-weight:750;font-size:13px}
    .secondary-link{display:inline-flex;align-items:center;gap:5px;background:none;border:0;padding:0;color:#31764d;font-weight:800;font-size:13px;text-decoration:underline;text-underline-offset:4px}.program-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:22px 4px 0}.program-footer p{font-size:12px;color:#78847a;margin:0}
    .intro-card{padding:25px;background:linear-gradient(120deg,#183d2b,#276243);color:white;display:flex;gap:22px;align-items:center;justify-content:space-between}.intro-card .eyebrow{color:#bce0c3}.intro-card h2{font-size:27px;letter-spacing:-.035em;margin:7px 0}.intro-card p{max-width:650px;color:#e1efe3;line-height:1.5;font-size:14px;margin:0}.intro-card .btn{white-space:nowrap;background:#fff;color:#245a3b;border-color:#fff}
    .challenge-form{padding:22px;margin-top:15px}.challenge-form h2{font-size:21px;margin:0 0 5px}.challenge-form p{font-size:13px;color:#607265;margin:0 0 16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-row{display:grid;gap:6px}.form-row.wide{grid-column:1/-1}.form-row label{font-weight:760;font-size:13px}.form-row small{font-size:11px;color:#748177}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
    .section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:29px 1px 13px}.section-title h2{font-size:21px;letter-spacing:-.025em;margin:0}.section-title span{font-size:13px;color:#748376}.challenge-grid{display:grid;gap:13px}.challenge{padding:20px 21px}.challenge-top{display:flex;justify-content:space-between;align-items:start;gap:12px}.challenge h3{font-size:19px;line-height:1.27;letter-spacing:-.025em;margin:7px 0}.challenge .description{font-size:13px;color:#5e7162;line-height:1.5;white-space:pre-wrap;margin:0 0 14px}.pill{display:inline-block;border-radius:40px;background:#e8f2e7;color:#32754b;font-size:11px;font-weight:850;padding:6px 9px;white-space:nowrap}.pill.complete{background:#dceee1}.pill.paused{background:#f2ede0;color:#856a35}.creator{font-size:11px;color:#66816d;font-weight:800}.challenge-meta{display:flex;gap:8px;flex-wrap:wrap}.meta-chip{background:#f1f5ef;border:1px solid #e3ebe1;border-radius:9px;padding:6px 9px;font-size:12px;color:#59705e}.challenge-divider{border:0;border-top:1px solid #ebefea;margin:17px 0 13px}.timeline{display:grid;gap:9px;margin:12px 0}.timeline-row{border-left:2px solid #add4b1;padding:0 0 0 10px;font-size:13px;color:#495e50;line-height:1.45}.timeline-row small{display:block;color:#839087;margin-bottom:2px}.challenge-controls{display:flex;gap:9px;flex-wrap:wrap;margin-top:13px}.challenge-input{margin-top:12px;display:grid;gap:8px}.challenge-input .btn{justify-self:end}.empty-state{padding:25px;border:1px dashed #c9dacb;border-radius:14px;color:#627463;background:#fafcf9}
    .video-card{padding:21px 23px;margin-top:27px}.video-card p{font-size:13px;color:#637469;line-height:1.5;margin:0 0 15px}.video-flow{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.video-flow input{max-width:340px}.video-state{font-size:12px;color:#68796d;margin-top:10px}.video-state strong{color:#a25d2b}
    .archive-panel{padding:25px}.archive-panel h2{margin:0 0 8px}.archive-panel p{color:#687a6c;font-size:14px}.archive-item{border-top:1px solid #e1eae0;padding:17px 0}.archive-item h3{margin:0 0 7px;font-size:16px}.archive-item summary{color:#2c6847;font-size:14px;padding:8px 0;font-weight:750}.archive-item details p{margin:4px 0 8px 14px}.archive-back{margin-bottom:16px}.notice{color:#65746a;font-size:12px;margin:13px 0 0}
    @media(max-width:700px){.wrap{padding:0 15px 48px}.site-head-inner{padding:8px 15px;min-height:76px}.brand{width:210px;max-width:58%}.person{font-size:11px}.top{display:block;padding:26px 0 21px}.tabs{margin-top:21px;max-width:380px}.tabs button{flex:1}.session-header{display:block;padding:20px}.session-picker{margin-top:20px}.toolbar{align-items:stretch}.toolbar-actions{width:100%}.toolbar-actions .btn{flex:1}.ex-summary{padding:15px 12px;gap:10px}.ex-title{font-size:15px}.number{width:29px;height:29px}.ex-body{margin:0 13px;padding-left:0}.intro-card{display:block;padding:22px}.intro-card h2{font-size:24px}.intro-card .btn{margin-top:17px;width:100%}.form-grid,.rating-grid{grid-template-columns:1fr}.challenge{padding:18px}.challenge-top{display:block}.challenge-top .pill{margin-top:9px}.program-footer{display:block}.program-footer p{margin-top:10px}}
  
.notice-box{padding:13px 16px;margin:0 0 18px;border-radius:12px;background:#e8f2e7;color:#285538;white-space:pre-wrap;line-height:1.4}.notice-box:empty{display:none}.notice-box.bad{background:#fff0e8;color:#953d28}button:disabled{opacity:.55;cursor:wait}.savebar{position:sticky;bottom:8px;z-index:5;margin-top:15px;background:#fff;border:1px solid #d6e4d7;border-radius:14px;padding:12px;display:flex;align-items:center;justify-content:space-between;gap:15px;box-shadow:0 4px 20px #132a1920}.pending{font-size:12px;color:#657469}.ex-title,.field-value,.timeline-row{overflow-wrap:anywhere}.video-progress{width:100%;height:12px} .history-item{display:block;width:100%;text-align:left;margin:8px 0}.rating-grid label small{font-weight:400;line-height:1.4;color:#647868}
.program-loading{padding:42px 24px;text-align:center;min-height:260px;display:grid;justify-items:center;align-content:center;gap:12px}.program-loading h2{margin:0;font-size:24px}.program-loading p{margin:0;color:#65746b;line-height:1.5}.loading-spinner{display:block;width:38px;height:38px;border:4px solid #dce9de;border-top-color:#225e42;border-radius:50%;animation:goilab-spin .9s linear infinite}@keyframes goilab-spin{to{transform:rotate(360deg)}}
.progress-sync{display:block;flex-basis:100%;min-height:36px;color:#617568;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.progress-sync.failed{color:#953d28}.session-save-guide{font-size:13px;line-height:1.6;color:#4b6554;margin:20px 4px 0}.session-save-guide strong{color:#254b34}.savebar{flex-wrap:wrap}.savebar .pending{flex:1;min-width:130px}.savebar .btn{max-width:100%;white-space:normal}
@media(prefers-reduced-motion:reduce){.loading-spinner{animation:none}.exercise,.track span{transition:none}}