:root{--bg:#0d1117;--panel:#151b23;--panel2:#1c2430;--text:#f4f7fa;--muted:#9aa8b7;--line:#2b3542;--steel:#7eb8d8;--steel2:#b9d4e4;--danger:#e57878}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#18212c 0,#0d1117 38%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}.app-shell{min-height:100vh;padding-bottom:82px}.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:rgba(13,17,23,.9);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.12em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--steel);border-radius:9px;color:var(--steel);background:linear-gradient(145deg,#24303d,#121820)}.content{width:min(760px,100%);margin:auto;padding:22px 16px 40px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px}.page-head h1,h1,h2,h3{margin:.2rem 0}.eyebrow{font-size:.72rem;letter-spacing:.15em;color:var(--steel);font-weight:800;margin:0}.muted{color:var(--muted)}.center{text-align:center}.steel-card,.hero-card{background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:14px}.hero-card{padding:24px;border-color:#3c5264}.hero-card h2{font-size:2rem}.grid-two{display:grid;grid-template-columns:1fr;gap:0}.card-head,.metric-row,.session-row,.timer-actions,.modal-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.progress{height:10px;background:#27313c;border-radius:999px;overflow:hidden;margin:14px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--steel),var(--steel2));border-radius:999px}.primary,.secondary,.complete-set{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:13px 16px;font-weight:800;font-size:1rem;cursor:pointer;text-decoration:none}.primary{background:var(--steel);color:#071018}.secondary{background:#25303c;color:#fff;border:1px solid #394858}.link-btn{background:none;border:0;color:var(--muted);cursor:pointer}.primary:disabled{opacity:.45}.stack{display:grid;gap:14px}.stack label,.inline-form label{display:grid;gap:7px;font-size:.9rem;color:var(--muted)}input{width:100%;background:#0f151c;color:#fff;border:1px solid #344150;border-radius:11px;padding:12px;font-size:1rem}.auth-wrap{min-height:75vh;display:grid;place-items:center}.auth-card{width:min(430px,100%)}.error{color:#ff9d9d}.notice{padding:12px 14px;background:#173426;border:1px solid #2c6a47;border-radius:12px;margin-bottom:14px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:68px;background:#111720;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:30}.bottom-nav a{display:grid;place-items:center;color:var(--muted);text-decoration:none;font-size:.78rem}.bottom-nav a.active{color:var(--steel);font-weight:800}.day-number,.date-pill,.set-badge{display:inline-grid;place-items:center;background:#202b36;color:var(--steel);border:1px solid #37495b;border-radius:10px;padding:7px 10px}.exercise-stack{display:grid;gap:14px}.image-placeholder{width:72px;height:72px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(145deg,#31404e,#151c24);font-size:2rem;color:var(--steel);font-weight:900}.metric-row{margin:18px 0;padding:13px;background:#111821;border-radius:13px}.metric-row div{display:grid;gap:4px}.metric-row small,.set-row small{color:var(--muted)}.set-list{display:grid;gap:10px}.set-row{display:grid;grid-template-columns:36px 1fr 1fr;gap:10px;align-items:end;padding:12px;background:#10161d;border:1px solid #283440;border-radius:14px}.set-row.done{opacity:.6;border-color:#3b6a50}.set-row .complete-set{grid-column:2/4}.stepper{display:grid;grid-template-columns:38px 1fr 38px}.stepper button{background:#293541;color:#fff;border:0;font-size:1.2rem}.stepper input{border-radius:0;text-align:center;padding:9px}.finish-form{margin-top:20px}.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:50;display:grid;place-items:center;padding:20px}.modal[hidden]{display:none}.modal-card{width:min(420px,100%);background:#151c24;border:1px solid #405266;border-radius:22px;padding:28px;text-align:center}.modal-card #restClock,#jumpClock{font-size:4rem;font-weight:900;letter-spacing:.04em;margin:18px 0}.jump-hero{text-align:center}.inline-form{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end}.session-list{display:grid;gap:10px}.session-row{margin:0}.session-row div{display:grid;gap:4px}.workout-list{display:grid;gap:14px}

/* Steelfit V2 exercise content */
.workout-day-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.workout-day-head h2,.workout-day-head p{margin:0}.exercise-preview-list{display:grid;gap:8px;margin:0 0 16px}.exercise-preview{display:grid;grid-template-columns:52px 1fr;gap:10px;align-items:center;padding:8px;background:#10161d;border:1px solid #283440;border-radius:12px}.exercise-preview img,.exercise-preview-fallback{width:52px;height:52px;border-radius:10px;object-fit:cover;background:#fff}.exercise-preview-fallback{display:grid;place-items:center;color:var(--steel);font-weight:900;background:#202b36}.exercise-preview div:last-child{display:grid;gap:4px;min-width:0}.exercise-preview strong{font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.exercise-preview span{font-size:.78rem;color:var(--muted)}.exercise-visual{display:grid;gap:14px}.exercise-image{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff;border-radius:16px}.exercise-copy h2{font-size:1.35rem}.metric-context{font-size:.7rem;color:var(--muted);max-width:180px}.exercise-card .metric-row{align-items:start}

@media(min-width:680px){.grid-two{grid-template-columns:1fr 1fr;gap:14px}.set-row{grid-template-columns:40px 1fr 1fr auto}.set-row .complete-set{grid-column:auto}.workout-list{grid-template-columns:1fr 1fr}.exercise-visual{grid-template-columns:220px 1fr;align-items:center}.exercise-image{width:220px}.exercise-preview-list{max-height:420px;overflow:auto;padding-right:4px}}

/* Steelfit V3 admin */
.top-actions{display:flex;align-items:center;gap:14px}.top-actions .link-btn{text-decoration:none}.admin-user-list{display:grid;gap:14px}.admin-user-card h2,.admin-user-card p{margin:.15rem 0}.status-pill{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:.78rem;font-weight:800;border:1px solid}.status-pill.is-active{color:#8ee0ad;border-color:#2f6f49;background:#183224}.status-pill.is-blocked{color:#ffaaaa;border-color:#754343;background:#381f1f}.admin-metrics{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.admin-metrics span{padding:7px 9px;border-radius:9px;background:#10161d;border:1px solid #283440;color:var(--muted);font-size:.82rem}.admin-actions{display:flex;justify-content:flex-end}.reset-panel{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.reset-panel summary{cursor:pointer;color:var(--steel);font-weight:800}.reset-grid{display:grid;gap:10px}.reset-grid form{display:grid;grid-template-columns:1fr;gap:8px}.danger-outline{border-color:#7f4848;color:#ffb1b1}.danger{background:#8b3838;color:#fff;border-color:#a24b4b}.error-box{padding:12px;border-radius:12px;background:#3a1f23;border:1px solid #7b3d47;color:#ffb0b8}.check-row{display:flex!important;grid-template-columns:none!important;align-items:center;gap:10px;color:var(--text)!important}.check-row input{width:auto}select{width:100%;background:#0f151c;color:#fff;border:1px solid #344150;border-radius:11px;padding:12px;font-size:1rem}
@media(min-width:680px){.admin-user-list{grid-template-columns:1fr 1fr}.reset-grid form{grid-template-columns:130px 1fr}}

/* Steelfit training mobile usability update */
.complete-set:disabled{opacity:.65;cursor:wait}
.stepper button{min-height:52px;min-width:52px;font-size:1.65rem;font-weight:800;touch-action:manipulation}
.stepper input{min-height:52px;font-size:1.15rem;font-weight:800;-moz-appearance:textfield}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

@media(max-width:679px){
  .set-row{grid-template-columns:42px minmax(0,1fr);align-items:start;padding:14px;gap:12px}
  .set-row .set-badge{grid-row:1 / span 2;align-self:start;margin-top:22px}
  .set-row label{min-width:0}
  .set-row label:nth-of-type(1){grid-column:2}
  .set-row label:nth-of-type(2){grid-column:2}
  .set-row .complete-set{grid-column:1 / -1;min-height:52px;margin-top:2px}
  .stepper{grid-template-columns:56px minmax(0,1fr) 56px;width:100%}
  .stepper button{min-height:56px;min-width:56px}
  .stepper input{min-width:0;min-height:56px;font-size:1.25rem}
}