/* ============ Rutina JK — estilos ============ */
:root{
  --bg:#0b0b0d;
  --bg-soft:#141419;
  --card:#17181d;
  --card-2:#1e1f26;
  --line:#2a2b33;
  --txt:#f4f4f6;
  --muted:#9a9aa6;
  --muted-2:#6f6f7b;
  --accent:#c7f94b;      /* volt */
  --accent-ink:#0b0b0d;
  --danger:#ff6b6b;
  --radius:18px;
  --radius-sm:12px;
  --maxw:640px;
  --safe-b:env(safe-area-inset-bottom, 0px);
  --safe-t:env(safe-area-inset-top, 0px);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--txt);font-family:var(--font);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden;min-height:100vh;line-height:1.45}
img,video{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
a{color:inherit;text-decoration:none}

#app{max-width:var(--maxw);margin:0 auto;padding:0 clamp(14px,4vw,22px) calc(96px + var(--safe-b))}
body.no-nav #nav{display:none}

/* ---------- Header / topbar ---------- */
.topbar{display:flex;align-items:center;gap:12px;padding:calc(clamp(14px,4vw,22px) + var(--safe-t)) 0 14px;position:sticky;top:0;background:linear-gradient(var(--bg) 86%,transparent);z-index:20}
/* zona segura arriba del iPhone (notch/barra de estado) */
.topbar::before{content:"";position:absolute;left:-100vw;right:-100vw;top:0;height:var(--safe-t);background:var(--bg);z-index:-1}
.topbar .back{width:40px;height:40px;border-radius:50%;background:var(--card);display:flex;align-items:center;justify-content:center;font-size:20px;flex:0 0 auto;border:1px solid var(--line)}
.topbar .back:active{transform:scale(.94)}
.topbar h1{font-size:clamp(1.05rem,4.4vw,1.35rem);letter-spacing:.02em;font-weight:800}
.topbar .sub{font-size:.72rem;color:var(--muted);font-weight:500;letter-spacing:.04em;text-transform:uppercase}

/* ---------- Home hero ---------- */
.hero{padding:6px 0 18px}
.hero .kicker{color:var(--accent);font-weight:800;letter-spacing:.16em;font-size:.72rem;text-transform:uppercase}
.hero h2{font-size:clamp(1.9rem,8vw,2.9rem);line-height:1.02;font-weight:900;letter-spacing:-.02em;margin:8px 0 10px}
.hero p{color:var(--muted);font-size:clamp(.92rem,3.4vw,1rem);max-width:34ch}
.hero .credit{margin-top:14px;display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);padding:7px 12px;border-radius:999px;font-size:.8rem;color:var(--muted)}
.hero .credit b{color:var(--txt);font-weight:700}

/* ---------- Day cards ---------- */
.section-label{display:flex;align-items:center;justify-content:space-between;margin:22px 2px 12px}
.section-label span{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.days{display:grid;gap:12px}
.day-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;overflow:hidden;transition:transform .12s ease,border-color .2s}
.day-card:active{transform:scale(.985)}
.day-card .num{position:absolute;top:-10px;right:6px;font-size:5.2rem;font-weight:900;color:#ffffff08;line-height:1;letter-spacing:-.04em}
.day-card .dtag{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:800}
.day-card h3{font-size:clamp(1.5rem,6.2vw,1.9rem);font-weight:900;letter-spacing:-.01em;margin:2px 0 4px}
.day-card .muscles{color:var(--muted);font-size:.86rem}
.day-card .meta{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:.78rem;color:var(--muted)}
.day-card .meta b{color:var(--txt)}
.progress-ring{margin-left:auto;display:flex;align-items:center;gap:8px;font-weight:800;font-size:.8rem;color:var(--accent)}
.bar{height:5px;border-radius:99px;background:#ffffff12;margin-top:12px;overflow:hidden}
.bar > i{display:block;height:100%;background:var(--accent);width:0;border-radius:99px;transition:width .3s}

/* ---------- Day view: blocks ---------- */
.day-head{margin:2px 0 6px}
.day-head .dtag{color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.day-head h2{font-size:clamp(2rem,9vw,2.8rem);font-weight:900;letter-spacing:-.02em;line-height:1}
.day-head p{color:var(--muted);margin-top:6px;font-size:.9rem}

.block{margin-top:22px}
.block .bhead{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}
.block .bhead .bt{font-size:1.05rem;font-weight:800}
.block .bhead .bm{font-size:.72rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.block .guide{display:inline-flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.chip{background:var(--card-2);border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:.76rem;color:var(--muted);font-weight:600}
.chip b{color:var(--txt)}
.chip.sug{border-style:dashed;color:var(--muted-2)}
.divider{display:flex;align-items:center;gap:12px;margin:26px 0 4px;color:var(--muted-2);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700}
.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}

/* ---------- Exercise list rows ---------- */
.ex-list{display:grid;gap:10px}
.ex-row{display:flex;align-items:center;gap:13px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px;transition:transform .1s,border-color .2s}
.ex-row:active{transform:scale(.99)}
.ex-row.done{border-color:var(--accent);background:linear-gradient(90deg,#c7f94b12,transparent)}
.ex-row .thumb{width:62px;height:80px;border-radius:9px;background:var(--card-2) center/cover no-repeat;flex:0 0 auto;position:relative;overflow:hidden}
.ex-row .thumb::after{content:"▶";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:.8rem;color:#fff;background:#0007;opacity:.85}
.ex-row.done .thumb::after{content:"✓";color:var(--accent);background:#000a}
.ex-row .info{min-width:0;flex:1}
.ex-row .info>span{display:block}
.ex-row .info .n{font-weight:700;font-size:.98rem;line-height:1.2}
.ex-row .info .t{color:var(--muted);font-size:.76rem;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ex-row .info .en{color:var(--muted-2);font-size:.72rem;font-style:italic}
.ex-row .idx{font-size:.9rem;font-weight:800;color:var(--muted-2);width:22px;text-align:center;flex:0 0 auto}

/* ---------- Exercise detail ---------- */
.ex-video{position:relative;border-radius:var(--radius);overflow:hidden;background:#000;margin-top:6px;aspect-ratio:3/4;max-height:64vh;margin-inline:auto;width:100%;max-width:420px}
.ex-video video{width:100%;height:100%;object-fit:cover}
.ex-title{margin:16px 2px 0}
.ex-title .en{color:var(--muted-2);font-size:.82rem;font-style:italic}
.ex-title h2{font-size:clamp(1.5rem,6.5vw,2rem);font-weight:900;letter-spacing:-.01em;line-height:1.05;margin:2px 0 8px}
.target{display:inline-block;background:#c7f94b18;color:var(--accent);border:1px solid #c7f94b33;padding:4px 11px;border-radius:999px;font-size:.76rem;font-weight:700}
.cue{margin:14px 0;color:#dcdce2;font-size:clamp(.95rem,3.6vw,1.05rem);line-height:1.55;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:13px 15px}

/* set tracker */
.tracker{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px;margin-top:8px}
.tracker .thead{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.tracker .thead .lbl{font-weight:800;font-size:.95rem}
.tracker .thead .edit{font-size:.78rem;color:var(--accent);font-weight:700;padding:5px 8px}
.sets{display:grid;gap:8px}
.set-row{display:flex;align-items:center;gap:12px;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.set-row .sn{font-weight:800;color:var(--muted);font-size:.82rem;width:52px}
.set-row .reps{color:var(--muted);font-size:.82rem}
.set-row .chk{margin-left:auto;width:30px;height:30px;border-radius:9px;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:.95rem;color:transparent;transition:.15s}
.set-row.on{border-color:var(--accent)}
.set-row.on .chk{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.set-row.on .sn{color:var(--txt)}
.rest-btn{margin-top:12px;width:100%;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:12px;font-weight:700;color:var(--txt);display:flex;align-items:center;justify-content:center;gap:8px}
.rest-btn:active{transform:scale(.99)}

.weight-row{display:flex;align-items:center;gap:10px;margin-top:12px}
.weight-row label{font-size:.82rem;color:var(--muted);font-weight:600}
.weight-row input{flex:1;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;color:var(--txt);font-size:.95rem;min-width:0}
.weight-row input:focus{outline:none;border-color:var(--accent)}

.edit-panel{display:none;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.edit-panel.open{display:flex}
.edit-panel .f{flex:1;min-width:120px}
.edit-panel label{display:block;font-size:.72rem;color:var(--muted);margin-bottom:4px;font-weight:600}
.edit-panel input{width:100%;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:9px 11px;color:var(--txt);font-size:.95rem}
.edit-panel input:focus{outline:none;border-color:var(--accent)}

/* nav prev/next */
.ex-nav{display:flex;gap:10px;margin-top:18px}
.ex-nav button{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;font-weight:800;font-size:.9rem;color:var(--txt)}
.ex-nav button.next{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.ex-nav button:disabled{opacity:.35}
.ex-nav button:active{transform:scale(.98)}
.ex-count{text-align:center;color:var(--muted-2);font-size:.78rem;margin-top:14px;font-weight:600}

/* ---------- Buttons ---------- */
.btn{border-radius:12px;padding:13px 16px;font-weight:800;font-size:.92rem;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.solid{background:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:var(--card-2);border:1px solid var(--line);color:var(--txt)}
.btn:active{transform:scale(.98)}

/* offline download */
.offline-card{margin-top:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.offline-card .oh{display:flex;align-items:center;gap:10px;font-weight:800;font-size:.95rem;margin-bottom:6px}
.offline-card p{color:var(--muted);font-size:.82rem;margin-bottom:12px}
.offline-card .bar{margin-bottom:12px}
.foot{margin-top:34px;text-align:center;color:var(--muted-2);font-size:.74rem;line-height:1.7}
.foot a{color:var(--muted)}

/* ---------- Rest overlay ---------- */
.rest-overlay{position:fixed;inset:0;background:#0b0b0deb;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:50;padding:24px}
.rest-overlay[hidden]{display:none}
.rest-card{text-align:center;width:100%;max-width:320px}
.rest-label{color:var(--muted);text-transform:uppercase;letter-spacing:.16em;font-size:.8rem;font-weight:700}
.rest-time{font-size:clamp(4.5rem,26vw,7rem);font-weight:900;letter-spacing:-.03em;line-height:1;margin:10px 0 22px;color:var(--accent);font-variant-numeric:tabular-nums}
.rest-actions{display:flex;gap:12px;justify-content:center;margin-bottom:16px}
.rest-actions .btn{flex:1}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:calc(24px + var(--safe-b));transform:translateX(-50%);background:var(--accent);color:var(--accent-ink);padding:11px 18px;border-radius:999px;font-weight:800;font-size:.85rem;z-index:60;box-shadow:0 8px 30px #0008;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* fade-in de vistas */
.view{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Desktop ---------- */
@media (min-width:700px){
  .days{grid-template-columns:1fr 1fr}
  .hero h2{font-size:3rem}
}

/* ============ Control fit — v2 ============ */

/* Nav inferior */
.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;justify-content:center;gap:2px;
  background:#101015ee;backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding:8px 6px calc(8px + var(--safe-b));max-width:var(--maxw);margin:0 auto}
.nav-i{flex:1;max-width:120px;display:flex;flex-direction:column;align-items:center;gap:3px;padding:5px 4px;border-radius:12px;color:var(--muted-2);font-size:.66rem;font-weight:700;letter-spacing:.02em}
.nav-i .ni{font-size:1.2rem;filter:grayscale(1) opacity(.7);transition:.15s}
.nav-i.on{color:var(--accent)}
.nav-i.on .ni{filter:none}
.nav-i:active{transform:scale(.92)}

.streak-pill{margin-left:auto;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-weight:800;font-size:.85rem;color:var(--accent);white-space:nowrap}
.mini{background:var(--card-2);border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:.74rem;font-weight:700;color:var(--txt)}
.mini:active{transform:scale(.95)}
.accent{color:var(--accent)}
.muted-p{color:var(--muted);font-size:.84rem;margin-bottom:12px}
.empty{color:var(--muted-2);font-size:.86rem;text-align:center;padding:22px 10px;background:var(--card);border:1px dashed var(--line);border-radius:14px}

/* Hoy toca */
.today-card{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:6px;
  background:linear-gradient(100deg,#c7f94b1c,var(--card));border:1px solid #c7f94b40;border-radius:var(--radius);padding:16px 18px}
.today-card:active{transform:scale(.99)}
.today-card .tl{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:800}
.today-card .tn{font-size:1.4rem;font-weight:900;margin-top:2px}
.today-card .go{color:var(--accent);font-weight:800;font-size:.85rem;white-space:nowrap}
.day-card.custom{padding:16px 18px}
.day-card.custom h3{font-size:1.3rem;margin-top:4px}

.section-label .mini{margin:0}

/* Barra de sesión */
.session-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 6px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.session-bar.live{border-color:#c7f94b55;background:linear-gradient(90deg,#c7f94b14,var(--card))}
.session-bar .sb-l{font-size:.9rem;color:var(--muted)}
.session-bar .sb-l b{color:var(--accent);font-variant-numeric:tabular-nums}
.btn.sm{padding:9px 14px;font-size:.82rem;border-radius:10px}

/* fila PR en lista */
.ex-row .pr{color:var(--accent);font-size:.74rem;font-weight:700;margin-top:3px}

/* ejercicio: inputs por serie */
.ex-title .tt{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:8px}
.pr-badge{background:#c7f94b18;color:var(--accent);border:1px solid #c7f94b40;padding:4px 10px;border-radius:999px;font-size:.74rem;font-weight:800}
.sets-head{display:grid;grid-template-columns:38px 1fr 1fr 44px;gap:8px;padding:2px 4px 8px;color:var(--muted-2);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.set-row{display:grid;grid-template-columns:38px 1fr 1fr 44px;gap:8px;align-items:center;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:8px 8px}
.set-row .sn{font-weight:800;color:var(--muted);text-align:center}
.set-row.on{border-color:var(--accent)}
.set-row.on .sn{color:var(--txt)}
.set-row .si{width:100%;background:#0d0e12;border:1px solid var(--line);border-radius:9px;padding:9px 8px;color:var(--txt);font-size:.95rem;text-align:center;min-width:0}
.set-row .si:focus{outline:none;border-color:var(--accent)}
.set-row .chk{width:38px;height:38px;border-radius:9px;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:1rem;color:transparent;background:transparent}
.set-row.on .chk{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* Resumen */
.resumen{text-align:center;padding-top:30px}
.done-emoji{font-size:3.4rem}
.resumen h2{font-size:clamp(1.7rem,7vw,2.3rem);font-weight:900;margin-top:8px}
.resumen .rsub{color:var(--muted);margin:6px 0 20px}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 6px}
.stats-grid.tight{gap:10px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 10px;text-align:center}
.stat .sv{font-size:1.9rem;font-weight:900;letter-spacing:-.02em;line-height:1}
.stat .sv small{font-size:.9rem;color:var(--muted)}
.stat .sl{color:var(--muted);font-size:.74rem;margin-top:6px;text-transform:uppercase;letter-spacing:.05em;font-weight:600}

/* paneles genéricos */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.panel + .panel{margin-top:12px}
.panel .ph{font-weight:800;text-transform:capitalize;margin-bottom:12px}

/* calendario */
.cal-week,.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;text-align:center}
.cal-week{color:var(--muted-2);font-size:.68rem;font-weight:700;margin-bottom:6px}
.cal .cd{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.8rem;color:var(--muted);border-radius:9px;background:#ffffff08}
.cal .cd.empty{background:transparent}
.cal .cd.on{background:var(--accent);color:var(--accent-ink);font-weight:800}
.cal .cd.today{outline:2px solid var(--accent);outline-offset:-2px;color:var(--txt)}
.cal .cd.on.today{color:var(--accent-ink)}

/* récords + historial */
.recs .rec-row,.measure-row,.plan-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line)}
.recs .rec-row:last-child,.measure-row:last-child,.plan-row:last-child{border-bottom:none}
.rec-row .rn{font-size:.9rem}
.rec-row .rv{font-weight:800;color:var(--accent)}
.hist{display:grid;gap:10px}
.hist-row{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 15px}
.hist-row .hd{display:flex;justify-content:space-between;align-items:baseline}
.hist-row .hd b{font-size:1rem}
.hist-row .hd span{color:var(--muted-2);font-size:.76rem}
.hist-row .hm{color:var(--muted);font-size:.82rem;margin-top:4px}

/* cuerpo */
.ph-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.big-w{font-size:2.6rem;font-weight:900;letter-spacing:-.02em;line-height:1}
.big-w small{font-size:1rem;color:var(--muted);font-weight:600}
.wd{font-size:.8rem;color:var(--muted);margin-top:4px}
.wd.down{color:var(--accent)}
.wd.up{color:#ffcf6b}
.chart{width:100%;height:auto;display:block;margin-top:4px}
.chart-legend{display:flex;justify-content:space-between;color:var(--muted-2);font-size:.72rem;margin-top:4px}
.chart-solo{font-size:1.4rem;font-weight:800;color:var(--accent);text-align:center;padding:10px}
.measure-row .mn{font-weight:600;font-size:.92rem}
.measure-row .mv{margin-left:auto;color:var(--muted);font-weight:700;font-size:.9rem}

/* fotos */
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ph-item{position:relative;border-radius:14px;overflow:hidden;background:var(--card)}
.ph-item img{width:100%;aspect-ratio:3/4;object-fit:cover}
.ph-item .ph-date{position:absolute;left:8px;bottom:8px;background:#000a;color:#fff;font-size:.7rem;padding:2px 7px;border-radius:99px}
.ph-item .ph-del{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;background:#000a;color:#fff;font-size:.8rem}
.photo-add{cursor:pointer}

/* agua / calc / plan */
.water{display:flex;align-items:center;justify-content:center;gap:22px}
.wbtn{width:48px;height:48px;border-radius:50%;background:var(--card-2);border:1px solid var(--line);font-size:1.5rem;font-weight:800;color:var(--accent)}
.wbtn:active{transform:scale(.92)}
.wcount{text-align:center}
.wcount b{font-size:2rem;font-weight:900;display:block;line-height:1}
.wcount small{color:var(--muted);font-size:.75rem}
.plan-row>span{font-weight:700;font-size:.85rem;width:44px}
.plan-row select{flex:1;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:9px 10px;color:var(--txt);font-size:.9rem;max-width:70%}
.calc-row{display:flex;gap:8px;margin-bottom:10px}
.calc-row input{flex:1;min-width:0;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:10px;color:var(--txt);font-size:.92rem}
.calc-row input:focus{outline:none;border-color:var(--accent)}
.calc-out{color:var(--muted);font-size:.9rem;text-align:center;padding:6px}

/* builder */
.build-name input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--txt);font-size:1.05rem;font-weight:700;margin-top:6px}
.build-name input:focus{outline:none;border-color:var(--accent)}
.pick-list{display:grid;gap:8px}
.pick{display:flex;align-items:center;gap:11px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 12px 8px 8px;cursor:pointer}
.pick.on{border-color:var(--accent);background:linear-gradient(90deg,#c7f94b10,transparent)}
.pick input{width:20px;height:20px;accent-color:var(--accent);flex:0 0 auto;order:3;margin-left:auto}
.pick .thumb{width:44px;height:56px;border-radius:8px;background:var(--card-2) center/cover no-repeat;flex:0 0 auto}
.pick .pn{font-size:.92rem;font-weight:600;line-height:1.2}
.pick .pn small{display:block;color:var(--muted-2);font-size:.72rem;font-weight:500;margin-top:2px}
.build-save{position:sticky;bottom:calc(12px + var(--safe-b));margin-top:20px}

/* modal */
.modal{position:fixed;inset:0;z-index:55;background:#0009;backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;padding:0}
.modal[hidden]{display:none}
.modal-card{background:var(--card);border:1px solid var(--line);border-radius:20px 20px 0 0;padding:22px 20px calc(24px + var(--safe-b));width:100%;max-width:var(--maxw);animation:slideup .2s ease}
@keyframes slideup{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
.modal-card h3{font-size:1.15rem;font-weight:800;margin-bottom:14px}
.modal-card .ml{display:block;font-size:.78rem;color:var(--muted);margin-bottom:6px}
.modal-card input{width:100%;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:13px 14px;color:var(--txt);font-size:1.1rem}
.modal-card input:focus{outline:none;border-color:var(--accent)}
.modal-actions{display:flex;gap:10px;margin-top:16px}
.modal-actions .btn{flex:1}

@media (min-width:700px){
  .modal{align-items:center}
  .modal-card{border-radius:20px;max-width:420px}
}

/* ============ Niveles + biblioteca por músculo — v3 ============ */
.level-sel{display:flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:5px}
.lv{flex:1;padding:10px 6px;border-radius:10px;font-weight:800;font-size:.8rem;color:var(--muted);letter-spacing:.01em}
.lv.on{background:var(--accent);color:var(--accent-ink)}
.lv:active{transform:scale(.96)}
.level-desc{color:var(--muted);font-size:.78rem;margin:9px 2px 2px;line-height:1.4}
.level-desc b{color:var(--accent)}
.level-desc span{color:var(--muted-2)}
.muscle-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mus-card{display:flex;flex-direction:column;align-items:flex-start;gap:1px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;text-align:left}
.mus-card:active{transform:scale(.98)}
.mus-card .me{font-size:1.5rem;margin-bottom:2px}
.mus-card .mm{font-weight:800;font-size:1.08rem}
.mus-card .mc{color:var(--muted);font-size:.75rem}
.pick-hint{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:11px 14px;color:#dcdce2;font-size:.86rem;line-height:1.45}
.pick-hint b{color:var(--txt)}
.lv-tag{color:var(--accent);font-weight:800}
@media (min-width:700px){ .muscle-grid{grid-template-columns:repeat(3,1fr)} }

/* ============ Programas del gym — v4 ============ */
.prog-card{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;background:linear-gradient(100deg,#c7f94b14,var(--card));border:1px solid var(--line);border-radius:16px;padding:15px 18px;margin-bottom:10px}
.prog-card:active{transform:scale(.99)}
.prog-card .pc-t{font-weight:800;font-size:1.15rem}
.prog-card .pc-s{color:var(--muted);font-size:.78rem;margin-top:2px}
.prog-card .go{color:var(--accent);font-weight:800;font-size:.85rem;white-space:nowrap}
.warm-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin:6px 0 2px}
.warm-card .wc-h{font-weight:800;font-size:.9rem;margin-bottom:8px}
.warm-card ul{list-style:none;display:grid;gap:5px}
.warm-card li{color:var(--muted);font-size:.84rem;padding-left:16px;position:relative}
.warm-card li::before{content:"•";position:absolute;left:2px;color:var(--accent)}
.ph-thumb{display:flex;align-items:center;justify-content:center;font-size:1.7rem;background:var(--card-2)!important}
.ex-row.prog .thumb::after{content:none!important}
.ex-video.novid{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;background:linear-gradient(160deg,#1b1c22,#101015);border:1px solid var(--line);aspect-ratio:16/10;max-height:200px}
.novid .nv-emoji{font-size:3rem}
.novid .nv-t{font-weight:800;color:var(--muted);letter-spacing:.02em}
.novid .nv-s{color:var(--muted-2);font-size:.8rem}
.plan-badge{background:var(--card-2);border:1px solid var(--line);color:var(--txt);padding:4px 11px;border-radius:999px;font-size:.76rem;font-weight:800}
.cue.prog-note{border-left-color:var(--muted-2);color:var(--muted);font-size:.9rem}

/* ============ Progresión + hábito + intervalos — v6 ============ */
.last-time{background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:9px 12px;margin-bottom:10px;font-size:.82rem;color:var(--muted);line-height:1.5}
.last-time b{color:var(--txt)}
.sug-w{background:#c7f94b18;border:1px solid #c7f94b40;color:var(--accent);border-radius:999px;padding:3px 9px;font-size:.75rem;font-weight:800;margin-left:2px}
.note-in{width:100%;margin-top:12px;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;color:var(--txt);font-size:.9rem;font-family:inherit;resize:vertical;min-height:44px}
.note-in:focus{outline:none;border-color:var(--accent)}
.goal-card .goal-h{display:flex;justify-content:space-between;align-items:baseline;font-weight:800;margin-bottom:10px}
.goal-card .goal-h b{color:var(--accent);font-size:1.1rem}
.week-sum{color:var(--muted);font-size:.82rem;margin-top:10px}
.week-sum b{color:var(--txt)}
.ach-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ach{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 12px;opacity:.42}
.ach.on{opacity:1;border-color:#c7f94b55}
.ach .ai{font-size:1.4rem;filter:grayscale(1)}
.ach.on .ai{filter:none}
.ach .at{font-size:.8rem;font-weight:700;line-height:1.15}
.goal-edit{display:flex;align-items:center;justify-content:space-between}
.goal-edit>span{font-size:.9rem;font-weight:600}
.stepper{display:flex;align-items:center;gap:14px}
.stepper b{font-size:1.4rem;font-weight:900;min-width:26px;text-align:center}
.wbtn.sm{width:38px;height:38px;font-size:1.2rem}
.int-cfg{display:flex;gap:8px;margin-bottom:4px}
.int-cfg .f{flex:1}
.int-cfg label{display:block;font-size:.7rem;color:var(--muted);margin-bottom:4px;font-weight:600}
.int-cfg input{width:100%;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:10px;color:var(--txt);font-size:1rem;text-align:center}
.int-cfg input:focus{outline:none;border-color:var(--accent)}
.int-run{margin-top:16px;border-radius:20px;padding:34px 20px;text-align:center;border:1px solid var(--line);background:var(--card)}
.int-run[hidden]{display:none}
.int-run.work{background:linear-gradient(160deg,#1a2410,#0d0f0a);border-color:#c7f94b66}
.int-run.rest{background:linear-gradient(160deg,#101a24,#0a0d10);border-color:#3a7bd577}
.int-run.done{background:linear-gradient(160deg,#1a2410,#0d0f0a);border-color:var(--accent)}
.int-phase{font-weight:900;letter-spacing:.16em;font-size:1rem;color:var(--muted)}
.int-run.work .int-phase{color:var(--accent)}
.int-time{font-size:clamp(4rem,24vw,7rem);font-weight:900;line-height:1;margin:8px 0;font-variant-numeric:tabular-nums}
.int-round{color:var(--muted);font-weight:700;margin-bottom:18px}
.int-actions{display:flex;gap:10px}
.int-actions .btn{flex:1}

/* ============ Calculadoras fit — v7 ============ */
.calc-form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc-form .f.wide{grid-column:1/-1}
.calc-form label{display:block;font-size:.72rem;color:var(--muted);margin-bottom:4px;font-weight:600}
.calc-form input,.calc-form select{width:100%;background:var(--card-2);border:1px solid var(--line);border-radius:10px;padding:10px 11px;color:var(--txt);font-size:.95rem}
.calc-form input:focus,.calc-form select:focus{outline:none;border-color:var(--accent)}
#calcRes{margin-top:12px}

/* foto de referencia (planillas, v11) */
.ex-video.refimg{background:#eef0f2;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;max-height:300px}
.ex-video.refimg img{width:100%;height:100%;object-fit:contain}