:root{--bg:#0b1020;--panel:#151c31;--text:#f7f8fb;--muted:#9aa6bd;--accent:#6ee7b7;--danger:#fb7185}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 system-ui,sans-serif;min-height:100vh;padding-bottom:92px}header{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,env(safe-area-inset-left));border-bottom:1px solid #25304b}.brand{font-weight:900;font-size:22px;color:white;text-decoration:none}.brand span,.eyebrow{color:var(--accent)}main{max-width:760px;margin:auto;padding:24px 18px}.hero{margin-bottom:24px}.hero h1{font-size:clamp(32px,9vw,54px);line-height:1;margin:8px 0}.eyebrow,.label{font-size:12px;font-weight:800;letter-spacing:.14em}.muted{color:var(--muted)}.grid,.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.card{display:block;background:var(--panel);padding:20px;border-radius:20px;border:1px solid #26314d;margin-bottom:14px}.card.accent{border-color:#3b806b}.card strong{display:block;font-size:36px;margin:8px 0 18px}.stack{display:grid;gap:14px}.button,button{display:block;width:100%;border:0;border-radius:14px;padding:16px;background:var(--accent);color:#072319;font-weight:900;font-size:17px;text-align:center;text-decoration:none;cursor:pointer;min-height:54px}.secondary{background:#26314d;color:var(--text)}.danger{background:var(--danger);color:#310611;margin-top:20px}label{display:grid;gap:7px;color:var(--muted);font-weight:700}input,select{width:100%;min-height:54px;border:1px solid #34415f;border-radius:13px;background:#0c1325;color:white;padding:12px;font-size:20px}.set-form{display:grid;grid-template-columns:1fr 1fr 1fr;gap:9px}.set-form button{grid-column:1/-1}.set-row{display:flex;justify-content:space-between;background:#0e1629;border-radius:10px;padding:10px 12px}.exercise h2{margin-top:0}.link{color:white;text-decoration:none;display:flex;justify-content:space-between}nav{position:fixed;z-index:5;bottom:0;left:0;right:0;height:76px;padding-bottom:env(safe-area-inset-bottom);background:#10172aee;backdrop-filter:blur(12px);display:flex;justify-content:space-around;border-top:1px solid #28334f}nav a{color:var(--muted);text-decoration:none;text-align:center;font-size:24px;padding:7px;min-width:60px}nav small{display:block;font-size:10px}.stat{background:var(--panel);padding:18px;border-radius:17px}.stat b{display:block;font-size:28px}.hidden{display:none!important}#toast{position:fixed;left:20px;right:20px;bottom:90px;background:white;color:#111;padding:14px;border-radius:12px;transform:translateY(180px);transition:.25s;z-index:9}#toast.show{transform:none}@media(min-width:600px){.set-form{grid-template-columns:1fr 1fr 1fr auto}.set-form button{grid-column:auto;width:auto}}