:root{--bg:#f5f7fb;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#0f172a;--accent2:#2563eb;--danger:#b91c1c;--radius:18px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}.app-header{display:flex;justify-content:space-between;align-items:center;padding:20px 18px 8px;max-width:760px;margin:auto}.app-header h1{margin:2px 0 0;font-size:24px}.eyebrow,.label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}.tabs{position:sticky;top:0;z-index:10;display:flex;gap:6px;padding:10px 12px;background:rgba(245,247,251,.92);backdrop-filter:blur(12px);max-width:760px;margin:auto}.tab{border:0;background:transparent;padding:10px 12px;border-radius:999px;font-weight:700;color:var(--muted)}.tab.active{background:var(--accent);color:white}main{max-width:760px;margin:auto;padding:8px 12px 36px}.view{display:none}.view.active{display:block}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:10px 0;box-shadow:0 4px 18px rgba(15,23,42,.04)}.hero{padding:20px}.row{display:flex;align-items:center}.between{justify-content:space-between}.gap{gap:10px}.grow{flex:1}.timer{text-align:center;font-variant-numeric:tabular-nums;font-size:60px;font-weight:800;letter-spacing:-.04em;margin:18px 0 10px}.progress{height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden;margin-bottom:16px}.progress div{height:100%;width:0;background:var(--accent2);transition:width .2s}.badge{background:#eef2ff;color:#3730a3;padding:7px 10px;border-radius:999px;font-weight:700;font-size:12px}.mini{font-size:13px;color:var(--muted);font-weight:700}.instruction{font-size:18px;line-height:1.45}.coach-cue{background:#f8fafc;border-left:4px solid var(--accent2);padding:12px;border-radius:10px;line-height:1.4}.primary,.secondary,.danger,.ghost{border:0;border-radius:12px;padding:13px 15px;font-weight:800;cursor:pointer}.primary{background:var(--accent);color:white}.secondary{background:#e2e8f0;color:#0f172a}.danger{background:#fee2e2;color:#991b1b}.ghost{background:#eef2f7;color:#111827}.small{padding:8px 10px;font-size:13px}.full{width:100%;margin-top:10px}.hidden{display:none}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.segmented{display:flex;flex-direction:column;gap:7px;margin-top:10px}.segmented button,.chips button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px;text-align:left}.segmented button.selected,.chips button.selected{background:#eff6ff;border-color:#93c5fd}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.chips button{padding:8px 10px}.stat{min-height:150px}textarea{width:100%;min-height:84px;border:1px solid var(--line);border-radius:12px;padding:12px;resize:vertical}label{display:block;font-size:13px;font-weight:700;color:#374151;margin:12px 0}input,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;margin-top:6px;background:white}.reps-list,.history-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.rep-row{display:grid;grid-template-columns:48px 1fr 90px;align-items:center;gap:8px}.rep-index{font-weight:800}.rep-delta{font-size:12px;color:var(--muted);text-align:right}.history-item{border:1px solid var(--line);border-radius:12px;padding:12px}.history-item h4{margin:0 0 6px}.history-item p{margin:4px 0;color:var(--muted);font-size:13px}.muted{color:var(--muted)}.notice{background:#fffbeb}.test-card h3{margin-top:0}@media(max-width:560px){.grid2{grid-template-columns:1fr}.timer{font-size:52px}.app-header{padding-top:14px}.rep-row{grid-template-columns:42px 1fr 72px}}