/* ============================================================
   GYM INTERIAL — design system (dark, mobile-first)
   volt-lime + coral su carbone · numeri tabulari · target ≥56px
   ============================================================ */
:root{
  --bg:#0b0d12; --bg-2:#0f1219;
  --surface:#161a23; --surface-2:#1c212c; --surface-3:#232b39;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --text:#f3f5f8; --text-2:#aeb6c2; --text-3:#737d8c;
  --primary:#cdff4f; --primary-2:#b6f02e; --primary-ink:#101307;
  --accent:#ff7a4d; --accent-ink:#1a0c06;
  --cyan:#56dbe6; --violet:#9b8cff; --danger:#ff5a6e; --gold:#ffd166;
  --ok:#46e08a;
  --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:28px;
  --sp:8px;
  --sat:env(safe-area-inset-top); --sab:env(safe-area-inset-bottom);
  --shadow:0 18px 40px -22px rgba(0,0,0,.85);
  --nav-h:64px;
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff); background:var(--bg); color:var(--text);
  line-height:1.5; overscroll-behavior-y:none;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  min-height:100dvh;
}
body::before{ /* alone energetico in alto */
  content:""; position:fixed; inset:0 0 auto 0; height:340px; z-index:-1;
  background:
    radial-gradient(120% 80% at 80% -10%, rgba(205,255,79,.10), transparent 60%),
    radial-gradient(120% 80% at 0% 0%, rgba(86,219,230,.07), transparent 55%);
  pointer-events:none;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.ic{width:24px;height:24px;display:block;color:currentColor}

/* -------- views / router -------- */
.view{display:none;min-height:100dvh;padding-bottom:calc(var(--nav-h) + var(--sab))}
.view--active{display:block;animation:viewin .26s ease}
@keyframes viewin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.wrap{padding:0 16px;max-width:560px;margin:0 auto}
.navspace{height:18px}

/* -------- header -------- */
.apph{padding:calc(var(--sat) + 18px) 16px 8px;max-width:560px;margin:0 auto}
.apph__row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.apph__greet{margin:14px 2px 6px;color:var(--text-2);font-size:15px}
.brand{display:flex;align-items:center;gap:10px}
.brand__mark{width:30px;height:30px;border-radius:9px;position:relative;
  background:linear-gradient(150deg,var(--primary),var(--primary-2));
  box-shadow:0 6px 18px -6px rgba(205,255,79,.6)}
.brand__mark::after{content:"";position:absolute;inset:0;
  background:no-repeat center/16px url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='none' stroke='%23101307' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round' d='M5 15l7-7 7 7'/></svg>")}
.brand__name{font-weight:800;letter-spacing:.04em;font-size:18px}
.brand__name em{font-style:normal;color:var(--text-3);font-weight:600;margin-left:2px;font-size:12px;letter-spacing:.14em;text-transform:uppercase}

/* -------- buttons -------- */
.iconbtn{width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;
  transition:transform .12s ease,background .15s ease}
.iconbtn:active{transform:scale(.92)}
.iconbtn--text{width:auto;padding:0 16px;font-weight:700;font-size:15px;color:var(--primary)}
.btn{border:0;border-radius:var(--r);font-family:inherit;font-weight:750;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .12s ease,filter .15s ease,background .15s ease;font-size:16px;
  min-height:52px;padding:0 18px}
.btn:active{transform:scale(.97)}
.btn--lg{min-height:58px;font-size:17px;flex:1}
.btn--primary{background:linear-gradient(160deg,var(--primary),var(--primary-2));color:var(--primary-ink);
  box-shadow:0 14px 30px -14px rgba(205,255,79,.65)}
.btn--accent{background:linear-gradient(160deg,#ff926a,var(--accent));color:var(--accent-ink)}
.btn--ghost{background:var(--surface);color:var(--text);border:1px solid var(--line);min-width:58px}
.btn--danger{background:rgba(255,90,110,.14);color:var(--danger);border:1px solid rgba(255,90,110,.3)}
.btn[disabled]{opacity:.4;pointer-events:none}
.chip{border:1px solid var(--line-2);background:var(--surface-2);color:var(--text);
  border-radius:999px;padding:0 14px;min-height:40px;font-weight:700;cursor:pointer;font-size:14px;
  display:inline-flex;align-items:center;gap:6px;transition:transform .1s}
.chip:active{transform:scale(.94)}
.chip--lg{min-height:52px;min-width:74px;justify-content:center;font-size:15px}

/* -------- voice -------- */
.voice{width:100%;margin:6px 0 18px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--surface),var(--bg-2));color:var(--text);
  display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer;position:relative;overflow:hidden}
.voice:active{transform:scale(.99)}
.voice .ic{color:var(--primary);width:26px;height:26px;flex:none}
.voice__txt{font-size:15px;color:var(--text-2)}
.voice__txt b{color:var(--text);font-weight:800}
.voice__pulse{position:absolute;right:-30px;top:50%;transform:translateY(-50%);width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(205,255,79,.16),transparent 70%);pointer-events:none}
.voice.is-listening .voice__pulse{animation:pulse 1.1s infinite}
@keyframes pulse{0%{opacity:.4;transform:translateY(-50%) scale(.8)}50%{opacity:1;transform:translateY(-50%) scale(1.15)}100%{opacity:.4;transform:translateY(-50%) scale(.8)}}

/* -------- workout cards (home) -------- */
.cards{display:flex;flex-direction:column;gap:14px}
.wcard{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--surface),var(--surface-2));padding:18px;cursor:pointer;
  display:flex;gap:16px;align-items:center;overflow:hidden;transition:transform .12s ease,border-color .15s;
  text-align:left;color:var(--text);font-family:inherit;width:100%}
.wcard:active{transform:scale(.985)}
.wcard__accent{position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c,#cdff4f)}
.wcard__num{width:54px;height:54px;border-radius:16px;flex:none;display:grid;place-items:center;
  font-weight:850;font-size:24px;color:var(--primary-ink);
  background:linear-gradient(150deg,var(--c,#cdff4f),color-mix(in srgb,var(--c,#cdff4f) 70%,#000));
  box-shadow:0 10px 22px -12px var(--c,#cdff4f)}
.wcard__body{flex:1;min-width:0}
.wcard__name{font-weight:800;font-size:17px;letter-spacing:.01em;line-height:1.25}
.wcard__sub{color:var(--text-2);font-size:13px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wcard__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{font-size:11px;font-weight:700;letter-spacing:.02em;padding:4px 9px;border-radius:999px;
  background:var(--surface-3);color:var(--text-2);border:1px solid var(--line)}
.wcard__meta{display:flex;gap:12px;margin-top:9px;color:var(--text-3);font-size:12px;align-items:center}
.wcard__go{flex:none;color:var(--text-3)}
.skeleton-card{height:108px;border-radius:var(--r-lg);background:
  linear-gradient(100deg,var(--surface) 30%,var(--surface-2) 50%,var(--surface) 70%);
  background-size:200% 100%;animation:shimmer 1.3s infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* -------- workout guided -------- */
.wkh{display:flex;align-items:center;gap:10px;padding:calc(var(--sat) + 12px) 12px 10px;
  position:sticky;top:0;background:linear-gradient(180deg,var(--bg) 70%,transparent);z-index:5}
.wkh__mid{flex:1;text-align:center;min-width:0}
.wkh__title{font-weight:800;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wkh__sub{color:var(--text-3);font-size:12px;font-weight:600;margin-top:1px}
.wkbar{height:4px;background:var(--surface-2);position:sticky;top:62px;z-index:5;margin:0 0 4px}
.wkbar__fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--cyan));
  transition:width .35s ease;border-radius:0 4px 4px 0}
.stage{padding:6px 16px 12px;max-width:560px;margin:0 auto}
.excard{animation:viewin .24s ease}
.ex__cat{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:6px 0 8px}
.pill{font-size:12px;font-weight:750;padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.pill--muscle{background:color-mix(in srgb,var(--cm,#56dbe6) 20%,var(--surface-2));
  border-color:color-mix(in srgb,var(--cm,#56dbe6) 40%,transparent);color:#eafcff}
.pill--star{background:rgba(255,209,102,.16);border-color:rgba(255,209,102,.35);color:var(--gold)}
.pill .ic{width:15px;height:15px}
.ex__name{font-size:27px;font-weight:850;line-height:1.1;letter-spacing:-.01em;margin:2px 0 0}
.ex__cue{color:var(--text-2);font-size:15px;margin:12px 0 0;line-height:1.55}
/* demo animata esercizio (2 frame, crossfade); pannello scuro: le bande si fondono con la UI */
.exfig{position:relative;width:100%;height:208px;margin:14px 0 2px;border-radius:var(--r);overflow:hidden;
  background:#0e1118;border:1px solid var(--line)}
.exfig img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#0e1118}
.exfig__a{animation:repflip 2.1s ease-in-out infinite}
@keyframes repflip{0%,32%{opacity:1}50%,82%{opacity:0}100%{opacity:1}}
@media (prefers-reduced-motion: reduce){.exfig__a{animation:none}}
.ex__more{margin-top:12px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.ex__more summary{list-style:none;cursor:pointer;padding:13px 16px;font-weight:750;font-size:14px;
  display:flex;align-items:center;justify-content:space-between;color:var(--text-2)}
.ex__more summary::-webkit-details-marker{display:none}
.ex__more[open] summary{color:var(--text)}
.ex__more__body{padding:0 16px 14px;font-size:14px;color:var(--text-2);line-height:1.6}
.ex__more__body b{color:var(--text)}
.ex__more__body .sub{margin-top:10px}

/* ultima volta */
.last{margin:16px 0 10px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,var(--surface-2),var(--surface));padding:12px 14px}
.last__h{display:flex;align-items:center;justify-content:space-between;color:var(--text-3);
  font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}
.last__sets{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}
.last__set{background:var(--surface-3);border:1px solid var(--line);border-radius:10px;padding:6px 10px;
  font-size:14px;font-weight:700}
.last__set em{font-style:normal;color:var(--text-3);font-weight:600}
.last--first{color:var(--text-2);font-size:14px}

/* set rows */
.sets{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.setrow{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);
  padding:10px;display:flex;align-items:center;gap:8px;transition:border-color .2s,background .2s}
.setrow.is-done{border-color:color-mix(in srgb,var(--primary) 45%,transparent);
  background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 8%,var(--surface)),var(--surface))}
.setrow__idx{width:22px;flex:none;text-align:center;font-weight:850;font-size:15px;color:var(--text-3)}
.setrow.is-done .setrow__idx{color:var(--primary)}
.stepper{flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;gap:3px}
.stepper__lbl{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.stepper__row{display:flex;align-items:center;gap:4px;width:100%;justify-content:center}
.stepbtn{width:40px;height:40px;flex:none;border-radius:12px;border:1px solid var(--line-2);
  background:var(--surface-2);color:var(--text);display:grid;place-items:center;cursor:pointer}
.stepbtn:active{transform:scale(.9);background:var(--surface-3)}
.stepbtn .ic{width:20px;height:20px}
.stepval{flex:1 1 0;min-width:0;width:0;text-align:center;background:transparent;border:0;color:var(--text);
  font-size:20px;font-weight:850;font-variant-numeric:tabular-nums;padding:0;
  -moz-appearance:textfield}
.stepval::-webkit-outer-spin-button,.stepval::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.stepval:focus{outline:none}
.stepunit{font-size:12px;color:var(--text-3);font-weight:700;margin-top:-2px}
.checkbtn{width:48px;height:48px;flex:none;border-radius:15px;border:1px solid var(--line-2);
  background:var(--surface-2);color:var(--text-3);display:grid;place-items:center;cursor:pointer;
  transition:transform .12s,background .2s,color .2s}
.checkbtn:active{transform:scale(.9)}
.checkbtn.is-done{background:linear-gradient(160deg,var(--primary),var(--primary-2));color:var(--primary-ink);
  border-color:transparent;box-shadow:0 10px 22px -12px rgba(205,255,79,.7)}
.setadd{margin-top:4px;display:flex;gap:10px}
.setadd .chip{flex:1;justify-content:center}

/* stair machine card */
.stair{margin-top:14px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));
  border-radius:var(--r);background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 9%,var(--surface)),var(--surface));
  padding:16px}
.stair__time{font-size:48px;font-weight:850;font-variant-numeric:tabular-nums;text-align:center;letter-spacing:.02em}
.stair__ctrl{display:flex;gap:10px;margin-top:12px}
.stair__lv{display:flex;align-items:center;gap:10px;justify-content:center;margin-top:14px}

/* workout footer */
.wkfoot{position:fixed;left:0;right:0;bottom:0;display:flex;gap:10px;padding:10px 14px calc(10px + var(--sab));
  background:linear-gradient(0deg,var(--bg) 72%,transparent);z-index:6;max-width:560px;margin:0 auto}

/* -------- rest ring sheet -------- */
.rest{position:fixed;inset:0;z-index:40;display:none;align-items:flex-end;justify-content:center;
  background:rgba(5,6,9,.62);backdrop-filter:blur(8px)}
.rest.is-open{display:flex;animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.rest__card{width:100%;max-width:560px;background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border-top-left-radius:var(--r-xl);border-top-right-radius:var(--r-xl);border:1px solid var(--line);
  border-bottom:0;padding:22px 20px calc(22px + var(--sab));text-align:center;box-shadow:var(--shadow);
  animation:sheetup .3s cubic-bezier(.2,.9,.25,1)}
@keyframes sheetup{from{transform:translateY(100%)}to{transform:none}}
.rest__label{color:var(--accent);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:13px}
.ring{position:relative;width:230px;height:230px;margin:14px auto 6px}
.ring__svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring__bg{fill:none;stroke:var(--surface-3);stroke-width:14}
.ring__fg{fill:none;stroke:var(--accent);stroke-width:14;stroke-linecap:round;
  stroke-dasharray:628;stroke-dashoffset:0;transition:stroke .3s}
.ring__center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring__time{font-size:54px;font-weight:850;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.ring__next{color:var(--text-3);font-size:13px;font-weight:650;margin-top:2px;max-width:170px}
.rest__ctrl{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:14px}

/* -------- bottom nav -------- */
.botnav{position:fixed;left:0;right:0;bottom:0;height:calc(var(--nav-h) + var(--sab));
  padding:0 6px var(--sab);background:rgba(13,16,22,.86);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);display:flex;z-index:30}
.botnav__item{flex:1;border:0;background:none;color:var(--text-3);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;font-size:10.5px;font-weight:700;cursor:pointer;
  letter-spacing:.02em;transition:color .15s}
.botnav__item .ic{width:23px;height:23px}
.botnav__item.is-active{color:var(--primary)}
.botnav__item:active{transform:scale(.94)}
.view--workout-open ~ .botnav{display:none}

/* -------- toast -------- */
.toast{position:fixed;left:50%;bottom:calc(var(--nav-h) + var(--sab) + 16px);transform:translate(-50%,20px);
  background:var(--surface-3);color:var(--text);border:1px solid var(--line-2);border-radius:14px;
  padding:12px 18px;font-weight:650;font-size:14px;max-width:88%;text-align:center;opacity:0;
  pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;box-shadow:var(--shadow)}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
.toast.is-ok{border-color:color-mix(in srgb,var(--primary) 50%,transparent)}
.toast.is-err{border-color:rgba(255,90,110,.5)}

/* -------- generic cards (history/info/settings) -------- */
.card{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:16px;margin-top:14px}
.card h3{margin:0 0 8px;font-size:15px}
.card p{margin:0;color:var(--text-2);font-size:14px;line-height:1.6}
.empty{color:var(--text-3);text-align:center;padding:40px 10px;font-size:14px}
.section-title{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);
  margin:22px 2px 4px}

.hitem{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);padding:14px;margin-top:12px}
.hitem__d{width:46px;height:46px;border-radius:13px;flex:none;display:flex;flex-direction:column;
  align-items:center;justify-content:center;background:var(--surface-3);color:var(--text)}
.hitem__d b{font-size:17px;font-weight:850;line-height:1}
.hitem__d span{font-size:9px;text-transform:uppercase;color:var(--text-3);letter-spacing:.05em}
.hitem__b{flex:1;min-width:0}
.hitem__t{font-weight:750;font-size:15px}
.hitem__s{color:var(--text-3);font-size:12.5px;margin-top:3px}

/* settings rows */
.srow{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);padding:14px 16px;margin-top:12px}
.srow__b{flex:1;min-width:0}
.srow__t{font-weight:700;font-size:15px}
.srow__d{color:var(--text-3);font-size:12.5px;margin-top:2px}
.switch{width:54px;height:32px;border-radius:999px;background:var(--surface-3);border:1px solid var(--line-2);
  position:relative;cursor:pointer;flex:none;transition:background .2s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;
  background:var(--text-2);transition:transform .2s,background .2s}
.switch.is-on{background:linear-gradient(160deg,var(--primary),var(--primary-2));border-color:transparent}
.switch.is-on::after{transform:translateX(22px);background:var(--primary-ink)}
.ministep{display:flex;align-items:center;gap:8px}
.ministep b{min-width:54px;text-align:center;font-variant-numeric:tabular-nums;font-size:16px;font-weight:800}

/* summary */
.sumstats{display:flex;gap:10px;margin-top:6px}
.sumstat{flex:1;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:14px;text-align:center}
.sumstat b{display:block;font-size:26px;font-weight:850;font-variant-numeric:tabular-nums}
.sumstat span{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em}
.sumex{display:flex;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line)}
.sumex:last-child{border-bottom:0}
.sumex__n{flex:1;font-weight:650;font-size:14px}
.sumex__v{color:var(--text-2);font-size:13px;font-variant-numeric:tabular-nums}
.pr{color:var(--gold);font-size:11px;font-weight:800}

/* sparkline */
.spark{width:100%;height:54px;display:block}
.spark path{fill:none;stroke:var(--primary);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.spark .area{fill:url(#sparkgrad);stroke:none}

/* telefoni stretti: compatta i controlli serie */
@media (max-width:374px){
  .setrow{gap:6px;padding:9px 8px}
  .setrow__idx{width:16px}
  .stepbtn{width:36px;height:36px}
  .stepbtn .ic{width:18px;height:18px}
  .checkbtn{width:44px;height:44px}
  .stepval{font-size:18px}
  .stepper__lbl{font-size:9px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.04s !important}
}
@media (min-width:600px){ .view{padding-bottom:calc(var(--nav-h) + var(--sab) + 10px)} }