:root{
  --bg:#071014;
  --bg2:#0d171c;
  --panel:rgba(17,26,31,.78);
  --panel-strong:rgba(16,24,29,.95);
  --panel-soft:rgba(255,255,255,.045);
  --text:#f4f8fa;
  --muted:#9caeb8;
  --accent:#77f7a1;
  --accent-2:#40d27e;
  --accent-blue:#76b8ff;
  --accent-gold:#f2bf63;
  --danger:#ff7272;
  --line:rgba(255,255,255,.09);
  --shadow:0 18px 48px rgba(0,0,0,.28);
  --radius:24px;
  --radius-sm:18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{min-height:100dvh;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
body.splashing{overflow:hidden}
.hidden{display:none!important}

.weather-backdrop{position:fixed;inset:0;pointer-events:none;overflow:hidden;background:
  radial-gradient(circle at 50% -10%, rgba(63,131,255,.14), transparent 28%),
  radial-gradient(circle at 10% 0%, rgba(119,247,161,.10), transparent 34%),
  linear-gradient(180deg,#0a1216 0%, #071014 70%);transition:background .6s ease;z-index:0}
.weather-glow,.sun-orb,.cloud,.rain-layer,.grain{position:absolute;inset:auto}
.weather-glow{width:70vw;height:70vw;border-radius:50%;right:-15vw;top:-22vw;background:radial-gradient(circle, rgba(119,247,161,.18), transparent 60%);filter:blur(20px);transition:opacity .5s ease, transform .5s ease}
.sun-orb{width:88px;height:88px;right:26px;top:86px;border-radius:50%;background:radial-gradient(circle at 35% 35%, #fff7ca 0%, #f8d76e 32%, rgba(248,215,110,.45) 56%, rgba(248,215,110,0) 74%);box-shadow:0 0 40px rgba(248,215,110,.35);opacity:0;transform:scale(.8);transition:.5s ease;animation:sunPulse 6s ease-in-out infinite}
.cloud{height:54px;border-radius:999px;background:rgba(216,228,239,.12);filter:blur(1px);opacity:0;transition:.5s ease}
.cloud:before,.cloud:after{content:"";position:absolute;border-radius:50%;background:inherit}
.cloud:before{width:44px;height:44px;left:8px;top:-18px}
.cloud:after{width:58px;height:58px;right:12px;top:-24px}
.cloud-a{width:140px;left:-20px;top:100px;animation:cloudFloatA 16s linear infinite}
.cloud-b{width:170px;right:-40px;top:150px;animation:cloudFloatB 20s linear infinite}
.rain-layer{inset:0;opacity:0;transition:.4s ease;background-image:linear-gradient(180deg, rgba(135,180,255,0) 0%, rgba(135,180,255,.52) 48%, rgba(135,180,255,0) 100%);background-size:2px 18px;background-repeat:repeat;animation:rainFall .55s linear infinite}
.grain{inset:0;opacity:.08;background-image:radial-gradient(rgba(255,255,255,.8) .55px, transparent .55px);background-size:14px 14px;mix-blend-mode:soft-light}
body.weather-sunny .weather-backdrop{background:radial-gradient(circle at 75% 0%, rgba(255,201,92,.18), transparent 24%), linear-gradient(180deg,#13202a 0%, #081116 72%)}
body.weather-sunny .sun-orb{opacity:1;transform:scale(1)}
body.weather-sunny .weather-glow{opacity:1;transform:translateY(0)}
body.weather-cloud .cloud{opacity:1}
body.weather-cloud .weather-backdrop{background:radial-gradient(circle at 50% 0%, rgba(196,210,226,.10), transparent 25%), linear-gradient(180deg,#121a20 0%, #071014 74%)}
body.weather-rain .cloud{opacity:.95}
body.weather-rain .rain-layer{opacity:.22}
body.weather-rain .weather-backdrop{background:radial-gradient(circle at 75% 0%, rgba(84,128,205,.16), transparent 26%), linear-gradient(180deg,#111922 0%, #060c10 75%)}
body.weather-night .weather-backdrop{background:radial-gradient(circle at 75% 0%, rgba(122,151,230,.12), transparent 22%), linear-gradient(180deg,#0b1218 0%, #050b0e 74%)}
body.weather-night .cloud{opacity:.68}
body.weather-night .weather-glow{opacity:.5}

.splash-screen{position:fixed;inset:0;z-index:90;background:radial-gradient(circle at 50% 20%, rgba(119,247,161,.15), transparent 26%), linear-gradient(180deg,#0e161b 0%, #071014 72%);display:grid;place-items:center;padding:28px;text-align:center;transition:opacity .55s ease, visibility .55s ease}
.splash-screen.hide{opacity:0;visibility:hidden}
.splash-halo{position:absolute;width:230px;height:230px;border-radius:50%;background:radial-gradient(circle, rgba(119,247,161,.18), transparent 65%);filter:blur(8px);animation:haloMove 5s ease-in-out infinite}
.splash-mark{position:relative;width:92px;height:92px;border-radius:28px;display:grid;place-items:center;background:linear-gradient(160deg, rgba(119,247,161,.18), rgba(118,184,255,.12));border:1px solid rgba(255,255,255,.14);font-size:34px;font-weight:900;letter-spacing:-.06em;box-shadow:var(--shadow)}
.splash-title{position:relative;margin-top:18px;font-size:34px;font-weight:900;letter-spacing:-.06em}.splash-title span{color:var(--accent)}
.splash-subtitle,.splash-note{position:relative;color:var(--muted)}
.splash-subtitle{margin-top:8px}.splash-note{margin-top:18px;font-size:14px}
.splash-loader{position:relative;width:170px;height:8px;margin-top:20px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}.splash-loader i{display:block;width:40%;height:100%;background:linear-gradient(90deg, var(--accent), var(--accent-blue));border-radius:inherit;animation:loadLine 1.15s ease-in-out infinite}

.app-shell{position:relative;z-index:1;width:100%;max-width:560px;margin:0 auto;min-height:100dvh;padding-bottom:94px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:calc(18px + env(safe-area-inset-top)) 18px 10px}
.topbar h1{margin:0;font-size:24px;letter-spacing:-.04em}.eyebrow{font-size:11px;letter-spacing:.28em;color:var(--accent);font-weight:900}
.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.06);backdrop-filter:blur(14px);color:var(--text);font-size:24px;box-shadow:0 8px 18px rgba(0,0,0,.18)}
.content{padding:8px 16px 18px}.stack{display:grid;gap:14px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:linear-gradient(180deg, rgba(22,32,38,.88), rgba(13,21,26,.92));backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(255,255,255,.04), transparent 30%);pointer-events:none}
.card.soft{background:linear-gradient(180deg, rgba(17,25,30,.65), rgba(11,18,22,.86));box-shadow:none}
.hero{padding:20px}.hero h2{font-size:30px;line-height:1.02;margin:4px 0 8px;letter-spacing:-.05em}.hero p{margin:0;color:var(--muted);line-height:1.5}
.hero.compact h2{font-size:24px}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-weight:900}.muted{color:var(--muted)}
.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1}.center{text-align:center}
.btn{appearance:none;border:0;border-radius:18px;padding:15px 16px;font-weight:900;font-size:15px;background:linear-gradient(180deg, var(--accent), var(--accent-2));color:#06110a;min-height:52px;width:100%;box-shadow:0 12px 22px rgba(64,210,126,.18)}
.btn:active{transform:scale(.985)}
.btn.secondary{background:rgba(255,255,255,.08);color:var(--text);border:1px solid var(--line);box-shadow:none}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);box-shadow:none}.btn.danger{background:rgba(255,107,107,.15);color:#ffb2b2;border:1px solid rgba(255,107,107,.25);box-shadow:none}
.pill{display:inline-flex;align-items:center;gap:7px;padding:9px 11px;border-radius:999px;background:rgba(255,255,255,.07);color:var(--muted);font-size:12px}.pill.accent{background:rgba(119,247,161,.14);color:var(--accent)}.pill.blue{background:rgba(118,184,255,.12);color:#abd3ff}.pill.gold{background:rgba(242,191,99,.12);color:#ffd488}
.metric strong{display:block;font-size:28px;letter-spacing:-.05em}.metric small{color:var(--muted)}
.section-title{display:flex;align-items:end;justify-content:space-between;margin:8px 2px 2px}.section-title h3{margin:0;font-size:18px}.section-title small{color:var(--muted)}
.progressbar{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}.progressbar>i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-blue));border-radius:inherit;box-shadow:0 0 20px rgba(119,247,161,.25)}
.list{display:grid;gap:10px}.list-item{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}.num{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.07);font-weight:900;color:var(--accent)}
.bottom-nav{position:fixed;z-index:20;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,560px);height:80px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);background:rgba(8,13,16,.92);backdrop-filter:blur(22px);border-top:1px solid var(--line)}
.nav-btn{background:transparent;border:0;color:#7f919b;display:grid;place-items:center;gap:3px;padding:5px;border-radius:16px;transition:.18s ease}.nav-btn span{font-size:21px;line-height:1}.nav-btn small{font-size:10px}.nav-btn.active{color:var(--accent);background:rgba(119,247,161,.08)}

.weather-card{overflow:hidden}
.weather-main{display:flex;align-items:center;justify-content:space-between;gap:14px}
.weather-badge{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;background:rgba(255,255,255,.08);font-size:30px}
.weather-temp{font-size:38px;font-weight:900;letter-spacing:-.06em;line-height:1}
.weather-meta{display:grid;gap:6px}.weather-meta b{font-size:15px}.weather-meta small{color:var(--muted)}
.weather-status{margin-top:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.weather-ambient{font-size:13px;color:var(--muted);line-height:1.45}

.workout-cta{display:grid;gap:14px}.workout-day{font-size:34px;font-weight:900;letter-spacing:-.05em;line-height:1.02}.today-rest{color:#c8d4d9}
.highlight-strip{display:flex;gap:8px;flex-wrap:wrap}
.highlight-chip{padding:9px 11px;border-radius:14px;background:rgba(255,255,255,.06);font-size:12px;color:#d7e2e7}

.trainer-head{position:sticky;top:0;z-index:5;padding-top:4px;background:linear-gradient(180deg,rgba(7,16,20,.98) 78%,transparent)}
.session-time{font-size:13px;color:var(--muted)}.exercise-name{font-size:29px;line-height:1.04;letter-spacing:-.05em;margin:8px 0}.exercise-meta{display:flex;gap:8px;flex-wrap:wrap}
.animation-placeholder{min-height:250px;display:grid;place-items:center;border-radius:26px;border:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 50% 20%, rgba(119,247,161,.10), transparent 36%), linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));text-align:center;padding:18px;color:var(--muted);overflow:hidden}
.exercise-stage{width:100%;max-width:330px;margin:0 auto;display:grid;gap:14px}
.exercise-stage svg{width:100%;height:auto;display:block;filter:drop-shadow(0 16px 26px rgba(0,0,0,.25))}
.exercise-label{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.exercise-label strong{font-size:16px}.exercise-label small{color:var(--muted)}
.muscle-tags{display:flex;flex-wrap:wrap;gap:8px}.muscle-tags span{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.07);font-size:11px;color:#d8e2e7}
.exercise-tip{padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.05);text-align:left;font-size:13px;line-height:1.45;color:#d9e3e8}
.big-timer{font-variant-numeric:tabular-nums;font-size:66px;font-weight:900;letter-spacing:-.06em;text-align:center;margin:8px 0}.target{font-size:44px;font-weight:900;letter-spacing:-.05em}.target small{font-size:14px;color:var(--muted);font-weight:600}
.rep-control{display:grid;grid-template-columns:58px 1fr 58px;gap:10px;align-items:center}.rep-control button{width:58px;height:58px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--text);font-size:26px}.rep-value{text-align:center;font-size:34px;font-weight:900}
.rest-ring{width:200px;height:200px;margin:10px auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--accent) var(--restp,100%),rgba(255,255,255,.08) 0);position:relative;box-shadow:0 18px 30px rgba(0,0,0,.18)}.rest-ring:after{content:"";position:absolute;inset:12px;border-radius:50%;background:#0f171b}.rest-ring>div{position:relative;z-index:1;text-align:center}.rest-ring strong{font-size:58px;font-variant-numeric:tabular-nums}.rest-ring small{display:block;color:var(--muted)}
.next-up{margin-top:14px;padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.05);text-align:left}.next-up b{display:block}.next-up small{color:var(--muted)}

input,select{width:100%;border-radius:16px;border:1px solid var(--line);background:#0d1519;color:var(--text);padding:14px 14px;font-size:16px;outline:none}label{display:grid;gap:7px;font-size:13px;color:var(--muted)}
.form-grid{display:grid;gap:12px}.chart{width:100%;height:180px;display:block}.chart line{stroke:rgba(255,255,255,.08);stroke-width:1}.chart polyline{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.chart circle{fill:var(--accent)}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.chip{white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--muted);border-radius:999px;padding:9px 12px}.chip.active{background:rgba(119,247,161,.12);color:var(--accent);border-color:rgba(119,247,161,.25)}
.accordion{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.03)}.accordion summary{cursor:pointer;padding:14px 16px;font-weight:800;background:rgba(255,255,255,.03)}.accordion>div{padding:14px 16px;color:#c6d0d5;line-height:1.55;border-top:1px solid var(--line)}
.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);z-index:50;width:min(calc(100% - 32px),500px);background:#effff3;color:#0b3a1a;border-radius:16px;padding:13px 15px;font-weight:900;box-shadow:var(--shadow)}
.switch{display:flex;align-items:center;justify-content:space-between;gap:16px}.switch input{width:auto;transform:scale(1.25)}
.note{font-size:12px;color:var(--muted);line-height:1.5}.divider{height:1px;background:var(--line);margin:2px 0}
.inline-icon{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:999px;background:rgba(255,255,255,.07)}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--accent);box-shadow:0 0 12px rgba(119,247,161,.55)}

.figure{stroke:#f4f8fa;stroke-width:10;stroke-linecap:round;stroke-linejoin:round;fill:none}
.figure-soft{stroke:#b0c1ca;stroke-width:10;stroke-linecap:round;stroke-linejoin:round;fill:none;opacity:.35}
.figure-accent{stroke:var(--accent);stroke-width:10;stroke-linecap:round;stroke-linejoin:round;fill:none}
.figure-blue{stroke:#9cc7ff;stroke-width:10;stroke-linecap:round;stroke-linejoin:round;fill:none}
.figure-ground{stroke:rgba(255,255,255,.14);stroke-width:4;stroke-linecap:round}
.figure-fill{fill:rgba(255,255,255,.08);stroke:rgba(255,255,255,.16);stroke-width:2}
.dumbbell{fill:#86f5ad;stroke:none}

@keyframes loadLine{0%{transform:translateX(-110%)}50%{transform:translateX(95%)}100%{transform:translateX(250%)}}
@keyframes haloMove{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-8px) scale(1.05)}}
@keyframes sunPulse{0%,100%{transform:scale(1);box-shadow:0 0 34px rgba(248,215,110,.32)}50%{transform:scale(1.05);box-shadow:0 0 48px rgba(248,215,110,.44)}}
@keyframes cloudFloatA{0%{transform:translateX(0)}100%{transform:translateX(120vw)}}
@keyframes cloudFloatB{0%{transform:translateX(0)}100%{transform:translateX(-120vw)}}
@keyframes rainFall{0%{background-position:0 -20px}100%{background-position:0 20px}}

@media(min-width:700px){.app-shell{max-width:760px}.bottom-nav{width:min(100%,760px)}.content{padding-left:24px;padding-right:24px}.desktop-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}}

.exercise-stage svg{background:radial-gradient(circle at 50% 18%, rgba(119,247,161,.10), transparent 32%), linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));border-radius:22px;padding:10px}
.icon-btn[aria-label="Repetir instrucciones"]{font-size:18px}
.audio-hint{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:16px;background:rgba(118,184,255,.08);color:#d9e8ff;font-size:12px}

.motion-guide{display:grid;grid-template-columns:1fr 72px 1fr;gap:10px;align-items:center;width:100%}
.pose-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:10px 10px 8px;display:grid;gap:6px}
.pose-card svg{background:linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01));padding:6px;border-radius:16px}
.pose-head{font-size:12px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:#dce8ed}
.motion-arrow{display:grid;place-items:center;gap:6px;color:var(--accent-blue)}
.arrow-core{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(118,184,255,.14);border:1px solid rgba(118,184,255,.26);font-size:28px;font-weight:900;animation:arrowPulse 1.4s ease-in-out infinite}
.motion-arrow small{font-size:11px;color:#b4cde9}
.figure-skin{fill:#f0c2a4;stroke:none}
.figure-shirt{fill:#8beeb2;stroke:none}
.figure-arm{fill:#f0c2a4;stroke:none}
.figure-leg{fill:#9cb7ff;stroke:none}
.figure-shorts{fill:#5b6b8d;stroke:none}
.realistic .exercise-tip{background:rgba(118,184,255,.08)}
@keyframes arrowPulse{0%,100%{transform:scale(1);box-shadow:0 0 0 rgba(118,184,255,0)}50%{transform:scale(1.08);box-shadow:0 0 22px rgba(118,184,255,.16)}}
@media(max-width:430px){.motion-guide{grid-template-columns:1fr;}.motion-arrow{transform:rotate(90deg);margin:2px auto}.arrow-core{width:44px;height:44px;font-size:22px}}

.photo-guide .photo-frame{width:100%;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.08);background:#e9ecef;box-shadow:0 14px 28px rgba(0,0,0,.18)}
.photo-guide .photo-frame img{display:block;width:100%;height:auto}

.exercise-media-slot{width:100%;min-height:250px;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.09);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));display:grid;place-items:center}
.exercise-media-loading{padding:28px 22px;text-align:center;display:grid;gap:10px;max-width:340px}
.media-badge{justify-self:center;padding:7px 10px;border-radius:999px;background:rgba(118,184,255,.11);border:1px solid rgba(118,184,255,.18);font-size:10px;font-weight:900;letter-spacing:.12em;color:#b9d8ff}
.media-placeholder-title{font-size:20px;font-weight:900;letter-spacing:-.03em;color:var(--text)}
.media-placeholder-copy{font-size:13px;line-height:1.5;color:var(--muted)}
.exercise-media{display:block;width:100%;height:auto;max-height:360px;object-fit:contain;background:#eef1f3}

.anatomy-live{max-width:100%}
.anatomy-stage{position:relative;width:100%;overflow:hidden;border-radius:24px;border:1px solid rgba(255,255,255,.10);background:#10181d;box-shadow:inset 0 0 30px rgba(0,0,0,.28)}
.exercise-canvas{display:block;width:100%;height:auto;min-height:260px}
.anatomy-badge{position:absolute;left:12px;top:12px;display:flex;align-items:center;gap:7px;padding:7px 9px;border-radius:999px;background:rgba(8,15,18,.78);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.09);font-size:9px;font-weight:900;letter-spacing:.10em;color:#d9e7ed;pointer-events:none}
.anatomy-live .exercise-tip{background:linear-gradient(180deg,rgba(119,247,161,.075),rgba(118,184,255,.055));border:1px solid rgba(255,255,255,.07)}