:root{color-scheme:dark;--bg:#10151c;--surface:#1c2530;--surface2:#23303d;--line:#394657;--ink:#f3f7fb;--muted:#aebbc9;--accent:#bef45c;--blue:#93dbff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.mast,main{max-width:880px;margin:0 auto;padding:22px 16px}.mast{padding-top:max(20px,env(safe-area-inset-top));display:flex;justify-content:space-between;gap:12px;align-items:center}.eyebrow{font-size:11px;font-weight:850;color:var(--accent);letter-spacing:.14em}h1{font-size:clamp(28px,6vw,44px);line-height:1.05;margin:6px 0}.mast p{margin:0;color:var(--muted)}.connection{font-size:11px;border:1px solid var(--line);padding:7px 9px;border-radius:100px;color:var(--muted);max-width:145px;text-align:center}.tabs{display:flex;gap:8px;position:sticky;top:0;padding:10px max(16px,calc((100% - 880px)/2 + 16px));background:#10151cf2;z-index:2;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.tabs a{flex:1;text-align:center;color:var(--ink);text-decoration:none;background:var(--surface);padding:11px;border-radius:12px;font-weight:750;min-height:44px}section{scroll-margin-top:70px}#today,#history,#export{padding-bottom:35px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.muted{color:var(--muted)}.small{font-size:13px}.workout-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.workout-tile,.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}.workout-tile h3{margin:8px 0 6px;font-size:18px}.workout-tile p{color:var(--muted);margin:0 0 12px}.workout-tile button{width:100%}button,.btn{background:var(--accent);border:0;border-radius:10px;color:#10151c;font-size:14px;font-weight:800;padding:11px 13px;min-height:44px;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.secondary{background:#344455;color:var(--ink)}.subtle{background:transparent;color:var(--ink);border:1px solid var(--line)}.danger{color:#ffd1d1}.card{margin:12px 0}.session-header{display:flex;justify-content:space-between;gap:12px;align-items:center}.session-header h2{margin:6px 0}.session-controls{display:flex;gap:8px;flex-wrap:wrap}.field label{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:5px}.field input,.field textarea{width:100%;background:#111923;color:var(--ink);border:1px solid #58687a;padding:11px;border-radius:10px;font:inherit;min-width:0}.field textarea{min-height:68px;resize:vertical}.exercise{border-top:1px solid var(--line);padding:14px 0}.exercise h4{margin:0 0 3px}.exercise .group{display:block;font-size:11px;color:var(--accent);font-weight:800;letter-spacing:.07em;margin-bottom:4px}.exercise .hint{font-size:13px;color:var(--muted);margin:0 0 8px}.exercise details{font-size:13px;color:var(--muted);margin:6px 0}.exercise a{color:var(--blue)}.ex-grid{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px}.previous{color:var(--blue);font-size:12px}.exercise .done{display:flex;align-items:center;gap:7px;margin-top:10px;font-size:13px;color:var(--muted)}.done input{width:20px;height:20px;accent-color:var(--accent)}.stack{display:grid;gap:10px}.history-entry{cursor:pointer}.history-entry strong{display:block}.history-entry p{margin:5px 0;color:var(--muted);font-size:13px}.actions{display:flex;gap:10px;flex-wrap:wrap}.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#293a49;color:white;padding:12px 16px;border-radius:10px;box-shadow:0 5px 24px #0007;max-width:min(90vw,500px);display:none;z-index:5}@media(max-width:560px){.mast{display:block}.connection{margin-top:12px;max-width:max-content}.workout-grid{grid-template-columns:1fr}.ex-grid{grid-template-columns:1fr 1fr 1fr}.field input{font-size:16px;padding:9px 7px}.card{padding:13px}.tabs a{padding:12px 5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}