:root{--dark:#183738;--ink:#1c3534;--sub:#687c76;--accent:#df684d;--mint:#e6efe7;--paper:#f5f5ef;--line:#e6ebe3}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 system-ui,-apple-system,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.shell{display:flex;min-height:100vh}aside{width:230px;position:fixed;inset:0 auto 0 0;background:#173737;color:#e5f0e7;padding:30px 18px;display:flex;flex-direction:column}.brand{font-weight:900;letter-spacing:.06em;font-size:18px}.brand span{color:#ef987f;font-size:30px;vertical-align:middle}.brand small{display:block;font-size:9px;letter-spacing:.24em;padding-left:33px;color:#9bb5a7}.side-label{font-size:10px;letter-spacing:.18em;color:#89a89c;margin:60px 12px 12px}nav button{display:block;width:100%;background:none;color:#b5cbc0;border:0;text-align:left;padding:13px;border-radius:9px}nav button.active{color:white;background:#345552}.side-bottom{margin-top:auto;font-size:10px;letter-spacing:.12em;color:#9ab2a4}.side-bottom strong{display:block;margin-top:8px;font-size:13px;letter-spacing:0;color:#edf4eb}main{margin-left:230px;padding:42px 5%;width:calc(100% - 230px);max-width:1600px}header{display:flex;justify-content:space-between;align-items:start;margin-bottom:32px}h1{font-family:Georgia,serif;font-size:clamp(34px,4vw,54px);font-weight:normal;letter-spacing:-.04em;line-height:1.04;margin:10px 0}header p{margin:0;color:var(--sub)}.eyebrow,.label{text-transform:uppercase;font-size:10px;letter-spacing:.16em;color:#748c7d;font-weight:800}.avatar{border-radius:50%;width:43px;height:43px;background:#d9e5d7;display:grid;place-items:center;font-weight:bold}.mobile-nav{display:none}.grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:17px;padding:24px;margin-bottom:20px}.hero{background:#e1ebdf;padding:30px;position:relative;overflow:hidden}.hero h2{font-family:Georgia,serif;font-weight:normal;font-size:33px;margin:8px 0}.hero p{max-width:540px;color:#54716a}.pills,.actions{display:flex;gap:8px;flex-wrap:wrap}.pill{background:#fff;border-radius:99px;padding:7px 11px;font-size:12px;color:#4b6e5e}.primary,.secondary,.danger,.tabs button,.icon{border:0;border-radius:9px;padding:10px 15px;font-weight:700}.primary{background:#173d39;color:white}.secondary,.tabs button{background:#ecf2eb;color:#28564b}.danger{background:#fff0eb;color:#ad4d37}.tabs{display:flex;gap:6px;flex-wrap:wrap}.tabs button.selected{background:#173d39;color:white}.section-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px}h2{font-size:21px;line-height:1.2;margin:0}h3{margin:0}.muted{color:var(--sub)}.exercise{border:1px solid var(--line);border-radius:14px;margin-bottom:13px;overflow:hidden}.exercise-head{display:grid;grid-template-columns:130px 1fr auto;gap:18px;align-items:center;padding:12px}.exercise img,.lib img{width:100%;height:104px;object-fit:contain;background:#fafbf8;border-radius:10px}.exercise h3{font-size:16px}.target{color:#cb6147;font-size:11px;font-weight:750;letter-spacing:.03em}.exercise p{font-size:12px;margin:5px 0;color:var(--sub)}.sets{padding:0 15px 15px}.set-head,.set{display:grid;grid-template-columns:44px 1fr 1fr 40px;gap:9px;align-items:center}.set-head{font-size:10px;color:#8b9b91;font-weight:800;margin:4px 0}.set{margin:7px 0}input,select{width:100%;border:1px solid #d7e3d9;border-radius:8px;background:#fff;padding:9px;color:var(--ink)}.set input{text-align:center}.icon{background:#f5f5ef;padding:8px}.add{background:none;border:0;color:#177964;font-weight:700;padding:8px 0}.small{font-size:12px}.summary{font-size:39px;font-family:Georgia,serif;color:#df684d}.divider{height:1px;background:var(--line);margin:16px 0}.tip{background:#fff3ed;border-radius:10px;padding:14px;font-size:13px}.history-item{padding:14px 0;border-bottom:1px solid var(--line)}.history-item p{margin:5px 0}.library{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.lib{border:1px solid var(--line);border-radius:13px;padding:12px}.lib img{height:145px}.lib h3{margin:12px 0 4px;font-size:15px}.chart{width:100%;height:180px}.metrics{display:flex;gap:12px;flex-wrap:wrap}.metric{flex:1;min-width:135px;background:#f1f5ed;padding:15px;border-radius:12px}.metric strong{display:block;font:30px Georgia,serif}.empty{padding:30px;text-align:center;color:var(--sub)}footer{color:#81918a;font-size:12px;padding:10px 0 30px}footer button{border:0;background:none;color:#1e7160;font-weight:bold}#toast{position:fixed;bottom:25px;right:25px;background:#173d39;color:white;border-radius:9px;padding:12px 18px;display:none;z-index:4}.hidden{display:none!important}@media(max-width:850px){aside{display:none}main{margin:0;width:100%;padding:24px 16px}.mobile-nav{display:flex;overflow:auto;gap:5px;margin-bottom:24px}.mobile-nav button{border:0;background:#e3ebe1;border-radius:99px;padding:9px 13px;white-space:nowrap}.grid{grid-template-columns:1fr}header{margin-bottom:18px}.exercise-head{grid-template-columns:88px 1fr}.exercise-head img{height:82px}.exercise-head>.small{grid-column:2}.card{padding:18px}.hero{padding:22px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

[hidden]{display:none!important}#auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:#e1ebdf}.auth-card{background:white;padding:36px;border-radius:20px;max-width:440px;width:100%;box-shadow:0 20px 60px #17373714}.auth-card label{display:block;margin:16px 0;font-size:12px;font-weight:700;color:#527066}.auth-card input{display:block;margin-top:7px}#auth-status{color:#a4422c;font-size:13px}.auth-card h1{font-size:40px}

.library-filters{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:12px;margin:20px 0}.library-filters label{font-size:12px;font-weight:700;color:var(--sub)}.library-filters input,.library-filters select{margin-top:5px}.lib details{border-top:1px solid var(--line);padding-top:10px}.lib summary{cursor:pointer;color:#176650;font-size:13px;font-weight:700}.lib ol{padding-left:18px}.lib li{margin:7px 0}.session-add{gap:5px}.session-add button{padding:8px;font-size:12px}button:disabled{opacity:.5;cursor:default}.library-paging{display:flex;gap:16px;justify-content:center;align-items:center;margin:24px 0}@media(max-width:850px){.library-filters{grid-template-columns:1fr 1fr}.library-filters label:first-child{grid-column:1/-1}}

.image-placeholder{height:145px;border-radius:10px;background:#edf3ed;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#6c9180;gap:8px}.image-placeholder span{font-size:36px}.image-placeholder small{font-size:9px;letter-spacing:.1em}.exercise-head .image-placeholder{height:104px}.custom-builder{background:#f3f7f1;border-radius:12px;padding:15px;margin:0 0 20px}.custom-builder summary{cursor:pointer;font-weight:700;color:#1f6654}.custom-builder .library-filters{margin:15px 0}.custom-builder label{min-width:0}@media(max-width:850px){.exercise-head .image-placeholder{height:82px}}