/* ==========================================================================
   Modo entrenamiento: pensado para leerse de un vistazo, con una mano y de lejos.
   ========================================================================== */
.hero{margin:.25rem 0 1rem}
.hero .saludo{color:var(--muted);font-weight:600;font-size:.95rem;margin:0}
.hero h1{margin:.1rem 0 .15rem;font-size:clamp(1.7rem,6vw,2.3rem)}
.hero .meta{display:flex;flex-wrap:wrap;gap:.4rem .9rem;align-items:center;color:var(--muted);font-size:.9rem;margin:0}
.hero-links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.5rem;font-size:.92rem}
.hero-links a{font-weight:650}

/* Preferencias (pantalla encendida / sonido) */
.prefs{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0 0}
.pref{display:inline-flex;align-items:center;gap:.5rem;min-height:44px;padding:.4rem .9rem .4rem .7rem;font:inherit;font-weight:650;font-size:.88rem;
  color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:99px;cursor:pointer}
.pref svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.pref[aria-pressed="true"]{color:var(--text);border-color:var(--volt);background:var(--brand-soft)}
.pref[aria-pressed="true"] svg{color:var(--volt)}

/* Pestañas de días */
.tabs{position:sticky;top:var(--top-h);z-index:20;margin:0 -1rem 1rem;padding:.6rem 1rem;display:flex;gap:.5rem;overflow-x:auto;scrollbar-width:none;
  background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;min-width:104px;padding:.55rem .95rem;font:inherit;text-align:left;
  color:var(--muted);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r);cursor:pointer;transition:border-color .15s,background .15s}
.tab strong{font-size:1.02rem;font-weight:800;color:var(--text);letter-spacing:-.01em}
.tab small{font-size:.76rem;font-weight:650}
.tab[aria-selected="true"]{border-color:var(--volt);background:var(--brand-soft)}
.tab[aria-selected="true"] small{color:var(--link)}
.tab.completo small::before{content:"✓ "}
.tab-barra{display:block;width:100%;height:4px;margin-top:.35rem;border-radius:4px;background:var(--surface-3);overflow:hidden}
.tab-barra i{display:block;height:100%;width:calc(var(--p,0)*100%);background:var(--volt);border-radius:4px;transition:width .3s}

.panel[hidden]{display:none}
.dia-ok{display:flex;align-items:center;gap:.75rem;margin:1rem 0 0;padding:1rem 1.1rem;border-radius:var(--r);background:var(--brand-soft);border:1.5px solid var(--volt);font-weight:750}
.dia-ok[hidden]{display:none}
.dia-ok svg{flex:none;width:28px;height:28px;color:var(--volt);fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* Bloques */
.blq{margin:1.5rem 0 0}
.blq:first-child{margin-top:.25rem}
.blq-h{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin:0 0 .35rem}
.blq-h h3{margin:0;font-size:1.15rem;font-weight:800}
.pill{display:inline-flex;align-items:center;padding:.2rem .7rem;border-radius:99px;font-size:.8rem;font-weight:750;color:var(--on-brand);background:var(--volt)}
.blq-nota{margin:.1rem 0 .6rem;padding:.65rem .85rem;border-radius:var(--r-sm);background:var(--surface);border:1px dashed var(--line-strong);color:var(--muted);font-size:.9rem}

/* Tarjeta de ejercicio */
.ex{position:relative;display:grid;grid-template-columns:auto 1fr;gap:.2rem .9rem;align-items:start;margin:.65rem 0 0;padding:1rem;
  background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);transition:opacity .2s,border-color .2s}
.ex.sin-check{grid-template-columns:1fr}
.ex.hecho{border-color:color-mix(in srgb,var(--volt) 55%,transparent)}
.ex.hecho .ex-nombre{color:var(--muted)}
.ex.hecho .ex-nombre span.t{text-decoration:line-through;text-decoration-thickness:2px;text-decoration-color:var(--faint)}
/* Contenedor de cronómetro: en el celular ocupa su propia fila; en pantallas anchas, a la derecha. */
.tw{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:.5rem}
.tw-pill{flex-direction:row;width:100%}
.tw-pill .timer.pill{flex:1;margin-top:0}
.t-reset[hidden]{display:none}
@media (min-width:560px){
  .ex.con-timer-grande{grid-template-columns:auto 1fr auto}
  .ex.con-timer-grande>.tw{grid-column:3;grid-row:1;margin-top:0}
}
.solo-print{display:none}
.lbl{display:block;margin:.8rem 0 0;font-size:.85rem;font-weight:600;color:var(--muted)}
.campo{min-width:0}
.rutina[data-entreno="0"] .tab-barra{display:none}

.check{flex:none;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;padding:0;margin-top:.1rem;
  color:transparent;background:transparent;border:2.5px solid var(--line-strong);cursor:pointer;transition:background .15s,border-color .15s,transform .1s}
.check svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round}
.check:active{transform:scale(.9)}
.check[aria-pressed="true"]{background:var(--volt);border-color:var(--volt);color:var(--on-brand)}
.check[aria-disabled="true"]{cursor:default}

.ex-body{min-width:0}
.ex-nombre{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem .6rem;margin:0;font-size:1.22rem;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.etq{font-size:.68rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:.18rem .55rem;border-radius:99px;background:var(--surface-3);color:var(--muted)}
.etq.gris{background:#7b8294;color:#fff}
.etq.blanco{background:#f2f4f8;color:#1a1f2b}
.stats{display:flex;flex-wrap:wrap;gap:.35rem .5rem;margin:.55rem 0 0}
.chip{display:inline-flex;align-items:baseline;gap:.3rem;padding:.4rem .75rem;border-radius:12px;background:var(--surface-2);font-size:.95rem;color:var(--muted)}
.chip strong{font-size:1.35rem;font-weight:800;letter-spacing:-.03em;color:var(--text);font-variant-numeric:tabular-nums}
.ex-notas{margin:.5rem 0 0;color:var(--muted);font-size:.92rem}
.ex-acciones{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.7rem;align-items:center}
.btn-video,.btn-reg{display:inline-flex;align-items:center;gap:.4rem;min-height:44px;padding:.4rem .95rem;font:inherit;font-weight:700;font-size:.9rem;text-decoration:none;
  color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:99px;cursor:pointer}
.btn-video svg,.btn-reg svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-video:hover,.btn-reg:hover{border-color:var(--line-strong)}
.ex-reg{margin:.55rem 0 0;font-size:.9rem;color:var(--muted)}
.ex-reg.hoy{color:var(--ok);font-weight:650}

/* ---------- Cronómetros ---------- */
.timer{--p:0;font:inherit;color:var(--text);cursor:pointer;border:0;padding:0;-webkit-user-select:none;user-select:none;touch-action:manipulation}
.timer .t-time{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.03em}
.timer .t-sub{font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}

/* Anillo: ejercicios por tiempo */
.timer.ring{position:relative;flex:none;width:104px;height:104px;border-radius:50%;display:grid;place-items:center;align-content:center;gap:0;
  background:conic-gradient(var(--volt) calc(var(--p)*360deg),var(--surface-3) 0);transition:transform .1s}
.timer.ring::before{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--surface)}
.timer.ring>*{position:relative}
.timer.ring .t-time{font-size:1.65rem;line-height:1}
.timer.ring:active{transform:scale(.95)}
.timer.ring[data-state="running"]{box-shadow:0 0 0 4px color-mix(in srgb,var(--volt) 22%,transparent)}
.timer.ring[data-state="done"]{background:var(--volt)}
.timer.ring[data-state="done"]::before{background:var(--volt)}
.timer.ring[data-state="done"] .t-time,.timer.ring[data-state="done"] .t-sub{color:var(--on-brand)}
@media (min-width:480px){.timer.ring{width:116px;height:116px}.timer.ring .t-time{font-size:1.9rem}}

/* Botón ancho: pausas */
.timer.pill{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;min-height:60px;margin-top:.7rem;padding:.5rem 1rem;
  border-radius:var(--r);background:var(--surface-2);border:1.5px solid var(--line);transition:transform .1s}
.timer.pill::before{content:"";position:absolute;inset:0;transform-origin:left;transform:scaleX(var(--p));background:color-mix(in srgb,var(--volt) 30%,transparent);transition:transform .25s linear}
.timer.pill>*{position:relative}
.timer.pill .t-ico{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.timer.pill .t-time{font-size:1.5rem;line-height:1}
.timer.pill .t-label{font-weight:700}
.timer.pill .t-sub{font-size:.85rem;font-weight:650;letter-spacing:0;text-transform:none;color:var(--text);text-align:left}
.timer.pill:active{transform:scale(.985)}
.timer.pill[data-state="running"]{border-color:var(--volt)}
.timer.pill[data-state="done"]{background:var(--volt);border-color:var(--volt)}
.timer.pill[data-state="done"] *{color:var(--on-brand)}
.timer[data-state="paused"]{animation:parpadeo 1.2s ease-in-out infinite}
@keyframes parpadeo{50%{opacity:.6}}

/* Minicronómetro flotante (se ve aunque hagas scroll) */
.dock{position:fixed;z-index:35;left:50%;transform:translateX(-50%);bottom:calc(var(--nav-h) + .75rem + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:.8rem;max-width:calc(100% - 1.5rem);min-width:230px;padding:.45rem .5rem .45rem 1rem;
  color:var(--text);background:var(--surface-3);border:1.5px solid var(--volt);border-radius:99px;box-shadow:0 14px 40px -8px rgba(0,0,0,.7);cursor:pointer;font:inherit}
.dock[hidden]{display:none}
.dock .d-time{font-size:1.6rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.dock .d-name{flex:1;min-width:0;text-align:left;font-size:.85rem;font-weight:650;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dock .d-go{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--volt);color:var(--on-brand)}
.dock .d-go svg{width:20px;height:20px;fill:currentColor}
.dock[data-state="done"]{background:var(--volt)}
.dock[data-state="done"] .d-time,.dock[data-state="done"] .d-name{color:var(--on-brand)}
.dock[data-state="done"] .d-go{background:var(--on-brand);color:var(--volt)}
@media (min-width:721px){.dock{bottom:1.25rem}}

/* Aviso breve */
.toast{position:fixed;z-index:60;left:50%;bottom:calc(var(--nav-h) + 5.2rem + env(safe-area-inset-bottom));transform:translate(-50%,20px);opacity:0;
  padding:.7rem 1.2rem;border-radius:99px;font-weight:700;color:var(--on-brand);background:var(--volt);box-shadow:0 10px 30px -8px rgba(0,0,0,.6);pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100% - 2rem);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--danger);color:#fff}

/* ---------- Hoja de registro ---------- */
dialog.sheet{width:100%;max-width:520px;margin:auto auto 0;padding:0;border:0;border-radius:var(--r-lg) var(--r-lg) 0 0;color:var(--text);background:var(--surface);
  box-shadow:0 -20px 60px -10px rgba(0,0,0,.7)}
dialog.sheet::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(3px)}
dialog.sheet[open]{animation:subir .22s ease-out}
@keyframes subir{from{transform:translateY(40px);opacity:0}}
@media (min-width:721px){dialog.sheet{margin:auto;border-radius:var(--r-lg)}}
.sheet-in{padding:1.25rem 1.25rem calc(1.25rem + env(safe-area-inset-bottom))}
.sheet-in::before{content:"";display:block;width:44px;height:5px;border-radius:5px;background:var(--line-strong);margin:-.4rem auto .9rem}
.sheet-in h3{margin:0 0 .15rem;font-size:1.3rem;font-weight:800}
.sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:.2rem .9rem}
.sheet-grid .ancho{grid-column:1/-1}
.stepper{display:flex;align-items:stretch;gap:.4rem;margin-top:.3rem}
.stepper input{margin:0;text-align:center;font-weight:800;font-size:1.25rem;min-width:0}
.stepper button{flex:none;width:52px;font:inherit;font-size:1.6rem;font-weight:700;line-height:1;color:var(--text);background:var(--surface-3);border:0;border-radius:var(--r-sm);cursor:pointer}
.stepper button:active{transform:scale(.94)}
.sheet-botones{display:grid;grid-template-columns:1fr 2fr;gap:.75rem;margin-top:1rem}
.sheet-botones .btn{margin:0}

/* Escritorio: dos columnas cómodas */
@media (min-width:900px){
  .panel .blq-items{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;align-items:start}
  .panel .blq-items .ex{margin-top:0}
}

/* ---------- Impresión ---------- */
@media print{
  .tabs,.prefs,.dock,.toast,dialog,.check,.tw,.btn-reg,.btn-video,.hero-links,.dia-ok,.t-reset,.ex-reg{display:none!important}
  .solo-print{display:block;margin:1rem 0 .5rem}
  .panel[hidden]{display:block!important}
  .panel{break-before:page}
  .panel:first-of-type{break-before:auto}
  .ex{box-shadow:none;border:1px solid #999;background:#fff;color:#000;break-inside:avoid;grid-template-columns:1fr!important}
  .chip{background:#eee;color:#000}.chip strong{color:#000}
  .pill{background:#ddd;color:#000}
  .panel .blq-items{display:block!important}
}

/* ---------- Registro enriquecido ---------- */
.btn-todo{display:inline-flex;align-items:center;gap:.4rem;min-height:44px;padding:.4rem 1rem;font:inherit;font-weight:750;font-size:.9rem;color:var(--on-brand);background:var(--volt);border:0;border-radius:99px;cursor:pointer}
.btn-todo svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.btn-todo[hidden]{display:none}
.btn-todo:active{transform:scale(.96)}
.series-rows{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:.5rem;margin:.4rem 0 .5rem}
.serie{display:flex;flex-direction:column;gap:.15rem;margin:0;font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.serie input{margin:0;text-align:center;font-size:1.3rem;font-weight:800;min-height:52px;padding:.4rem}
fieldset.opciones{border:0;padding:0;margin:.4rem 0 0;min-width:0}
fieldset.opciones legend{padding:0}
.ops{display:grid;grid-template-columns:repeat(auto-fit,minmax(70px,1fr));gap:.4rem;margin-top:.3rem}
.op{margin:0;position:relative}
.op input{position:absolute;opacity:0;inset:0;width:100%;height:100%;min-height:0;margin:0;cursor:pointer}
.op span{display:flex;flex-direction:column;align-items:center;gap:.1rem;padding:.55rem .3rem;border-radius:var(--r-sm);background:var(--surface-2);border:2px solid transparent;font-size:.78rem;font-weight:700;color:var(--muted);text-align:center;transition:border-color .12s,background .12s}
.op b{font-size:1.5rem;line-height:1.1;font-weight:400}
.op input:checked+span{border-color:var(--volt);background:var(--brand-soft);color:var(--text)}
.op input:focus-visible+span{outline:3px solid var(--volt);outline-offset:2px}
.interruptor.dolor{margin-top:.2rem}
.pendientes{margin:.5rem 0 0;padding:.65rem .9rem;border-radius:var(--r-sm);background:var(--danger-soft);color:var(--text);font-size:.88rem;font-weight:600}
.pendientes[hidden]{display:none}
@media print{.btn-todo,.pendientes{display:none!important}}

/* ---------- Modo guiado ---------- */
.guiado-btn{margin-left:auto}
body.sin-scroll{overflow:hidden}
.guiado{position:fixed;inset:0;z-index:70;background:var(--bg);overflow-y:auto;-webkit-overflow-scrolling:touch}
.guiado[hidden]{display:none}
.g-raiz{min-height:100dvh;display:flex;flex-direction:column;max-width:640px;margin:0 auto;padding:max(.75rem,env(safe-area-inset-top)) 1rem max(1rem,env(safe-area-inset-bottom))}
.g-top{display:flex;align-items:center;gap:.9rem}
.g-x{flex:none;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:1.2rem;cursor:pointer}
.g-prog{flex:1;display:flex;flex-direction:column;gap:.35rem}
.g-cuenta{font-weight:750;font-size:.95rem;color:var(--muted)}
.g-barra{display:block;height:6px;border-radius:6px;background:var(--surface-3);overflow:hidden}
.g-barra i{display:block;height:100%;background:var(--volt);border-radius:6px;transition:width .3s}
.g-cuerpo{flex:1;display:flex;flex-direction:column;gap:.9rem;justify-content:center;padding:1rem 0}
.g-bloque{margin:0;color:var(--muted);font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:.04em}
.g-nombre{margin:0;font-size:clamp(2rem,9vw,3rem);font-weight:850;line-height:1.05;letter-spacing:-.03em;display:flex;flex-wrap:wrap;gap:.5rem .8rem;align-items:center}
.g-stats{display:flex;flex-wrap:wrap;gap:.5rem}
.g-stats .chip{padding:.6rem 1rem;font-size:1.1rem}
.g-stats .chip strong{font-size:2rem}
.g-nota{margin:0;color:var(--muted);font-size:1rem}
.g-video{align-self:flex-start;font-weight:700}
.g-zona{display:flex;flex-direction:column;gap:.8rem;margin-top:.5rem}
.g-serie{margin:0;font-size:1.3rem;font-weight:800}
.g-grande{min-height:76px;border:0;border-radius:var(--r-lg);font:inherit;font-size:1.35rem;font-weight:800;color:var(--on-brand);background:var(--volt);cursor:pointer;box-shadow:var(--shadow)}
.g-grande:active{transform:scale(.98)}
.g-sec{min-height:56px;border:1.5px solid var(--line-strong);border-radius:var(--r);font:inherit;font-size:1.05rem;font-weight:700;color:var(--text);background:var(--surface);cursor:pointer}
.g-timer{--p:1;position:relative;align-self:center;width:min(70vw,280px);aspect-ratio:1;border-radius:50%;border:0;display:grid;place-content:center;gap:.2rem;color:var(--text);cursor:pointer;
  background:conic-gradient(var(--volt) calc(var(--p)*360deg),var(--surface-3) 0)}
.g-timer::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--surface)}
.g-timer>*{position:relative;text-align:center}
.g-time{font-size:clamp(3rem,16vw,4.5rem);font-weight:850;letter-spacing:-.04em;font-variant-numeric:tabular-nums;line-height:1}
.g-sub{font-size:.85rem;font-weight:700;color:var(--muted);max-width:11em;margin:0 auto}
.g-timer[data-state="done"]{background:var(--volt)}
.g-timer[data-state="done"]::before{background:var(--volt)}
.g-timer[data-state="done"] .g-time,.g-timer[data-state="done"] .g-sub{color:var(--on-brand)}
.g-timer[data-state="paused"]{animation:parpadeo 1.2s ease-in-out infinite}
.g-nav{display:flex;justify-content:space-between;padding-top:.5rem}
.g-link{min-height:48px;padding:0 .5rem;border:0;background:none;font:inherit;font-weight:700;color:var(--muted);cursor:pointer}
.g-link:disabled{opacity:.35;cursor:default}
.g-fin{margin:0;font-size:clamp(2.4rem,11vw,3.4rem);font-weight:850;letter-spacing:-.03em}
@media print{.guiado,.guiado-btn{display:none!important}}
dialog.sheet{max-height:92dvh;overflow-y:auto;overscroll-behavior:contain}
.sheet-botones{position:sticky;bottom:calc(-1.25rem - env(safe-area-inset-bottom));background:var(--surface);padding:.75rem 0 .25rem;margin-bottom:-.25rem;z-index:2}
.etq.blanco{box-shadow:inset 0 0 0 1.5px var(--line-strong)}

/* Alumno: acciones por ejercicio mas compactas */
.btn-video.solo{padding:0;width:44px;justify-content:center}
.ex-acciones .btn-todo{order:-1}