:root{
  --bg:#EDF1F6; --surface:#FFFFFF; --ink:#16243A; --muted:#5B6B82; --line:#D6DEE9; --chip:#E3E9F1;
  --sun:#F2B134; --sky:#2F5D8C; --ok:#2E9E6B; --bad:#D64545;
  --mem:#7A5CC2; --calc:#2F6FD0; --log:#15897D; --att:#D9821A;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1A2A; --surface:#17263B; --ink:#E8EEF6; --muted:#9AAAC0; --line:#2A3B55; --chip:#22334D;
    --sun:#F5C04E; --sky:#7FB0E3; --ok:#4CC08A; --bad:#EE6B6B;
    --mem:#A68BEA; --calc:#6FA2F2; --log:#45C1B3; --att:#F0A24A;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1A2A; --surface:#17263B; --ink:#E8EEF6; --muted:#9AAAC0; --line:#2A3B55; --chip:#22334D;
  --sun:#F5C04E; --sky:#7FB0E3; --ok:#4CC08A; --bad:#EE6B6B;
  --mem:#A68BEA; --calc:#6FA2F2; --log:#45C1B3; --att:#F0A24A;
}
:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Lexend',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:1.0625rem;line-height:1.45;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit}
.app{max-width:560px;margin:0 auto;padding:14px 18px 110px}
h1{font-size:1.8rem;font-weight:600;letter-spacing:-.015em;margin:.1em 0 .15em;line-height:1.15}
h2{font-size:1.15rem;font-weight:600;margin:1.7em 0 .6em}
p{margin:.4em 0}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.btn{display:block;width:100%;min-height:56px;border:0;border-radius:14px;background:var(--ink);color:var(--bg);font-weight:600;font-size:1.05rem;cursor:pointer;padding:12px 18px;text-align:center}
.btn.sun{background:var(--sun);color:#1B2433}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.danger{background:transparent;color:var(--bad);border:1.5px solid var(--bad)}
.btn + .btn{margin-top:10px}
button:focus-visible,input:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.panel{background:var(--surface);border-radius:18px;padding:18px}
.stack > * + *{margin-top:12px}

/* hero */
.hero{margin:0 -18px;padding:0 18px}
.sky svg{display:block;width:100%;height:auto}
.sunpos{transition:transform 1.8s cubic-bezier(.2,.8,.2,1)}
.rays{transition:opacity 1s ease .9s}
.today-meta{display:flex;gap:18px;margin:6px 0 16px;color:var(--muted);font-size:.95rem}
.today-meta b{color:var(--ink);font-weight:600}

/* lists */
.glist{list-style:none;margin:0;padding:0}
.gitem{display:flex;width:100%;align-items:center;gap:12px;padding:14px 2px;background:none;border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;min-height:58px}
.glist li:last-child .gitem{border-bottom:0}
.dot{width:11px;height:11px;border-radius:50%;flex:none}
.lv{margin-left:auto;font-size:.85rem;color:var(--muted);white-space:nowrap}
.gname{font-weight:500}
.gsub{display:block;font-size:.82rem;color:var(--muted);font-weight:400}

/* nav */
nav.tabs{position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px);z-index:20}
nav.tabs .in{display:flex;max-width:560px;margin:0 auto}
nav.tabs button{flex:1;min-height:62px;background:none;border:0;font-size:.78rem;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
nav.tabs button svg{width:23px;height:23px}
nav.tabs button[aria-current="page"]{color:var(--ink);font-weight:600}

/* overlay / session */
.overlay{position:fixed;left:0;right:0;top:0;bottom:0;background:var(--bg);z-index:50;overflow-y:auto;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.overlay[hidden]{display:none}
.ohead{display:flex;align-items:center;gap:12px;max-width:560px;margin:0 auto;padding:10px 14px}
.ohead .x{width:46px;height:46px;border-radius:50%;border:0;background:var(--surface);cursor:pointer;font-size:1.3rem;line-height:1}
.ohead .prog{flex:1;display:flex;gap:6px}
.ohead .prog i{flex:1;height:6px;border-radius:6px;background:var(--line)}
.ohead .prog i.done{background:var(--ink)}
.ohead .prog i.now{background:var(--sun)}
.obody{max-width:560px;margin:0 auto;padding:8px 18px 32px}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--muted)}
.intro h1{margin-top:.5em}
.intro .how{font-size:1.1rem;margin:14px 0 26px}

.timer{height:8px;background:var(--chip);border-radius:8px;overflow:hidden;margin:4px 0 12px}
.timer i{display:block;height:100%;background:var(--sky);transform-origin:left center}
.gstat{display:flex;justify-content:space-between;color:var(--muted);font-size:.95rem;font-variant-numeric:tabular-nums}
.hint{text-align:center;font-size:1.1rem;font-weight:500;min-height:1.6em;margin:14px 0 4px}
.prompt{text-align:center;font-size:2.5rem;font-weight:600;margin:30px 0 30px;font-variant-numeric:tabular-nums;line-height:1.2}
.prompt.series{font-size:1.65rem;letter-spacing:.02em}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.choice{min-height:70px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-size:1.45rem;font-weight:600;cursor:pointer;font-variant-numeric:tabular-nums}
.choices.words .choice{font-size:1.05rem;letter-spacing:.04em}
.ok{background:var(--ok)!important;color:#fff!important;border-color:var(--ok)!important}
.bad{background:var(--bad)!important;color:#fff!important;border-color:var(--bad)!important}
.locked{pointer-events:none}

.sgrid{display:grid;gap:10px;max-width:340px;margin:14px auto}
.scell{aspect-ratio:1/1;border-radius:16px;border:0;background:var(--chip);cursor:pointer;transition:background .12s}
.scell.lit{background:var(--mem)}

.ogrid{display:grid;gap:6px;max-width:420px;margin:14px auto}
.ocell{aspect-ratio:1/1;border:0;border-radius:10px;background:var(--surface);color:var(--ink);font-weight:500;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center}

.digits{text-align:center;font-size:2.4rem;font-weight:600;letter-spacing:.18em;margin:26px 0 8px;min-height:1.4em;font-variant-numeric:tabular-nums;word-break:break-all}
.typed{text-align:center;font-size:2rem;font-weight:600;letter-spacing:.18em;min-height:1.5em;border-bottom:2px solid var(--line);max-width:340px;margin:10px auto 0;font-variant-numeric:tabular-nums}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:340px;margin:16px auto 0}
.key{min-height:60px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);font-size:1.5rem;font-weight:500;cursor:pointer}
.key.go{background:var(--ink);color:var(--bg);border-color:var(--ink);font-size:1.05rem;font-weight:600}

.word{text-align:center;font-size:2.8rem;font-weight:700;letter-spacing:.04em;margin:30px 0;min-height:1.6em}
.wf{border:3px solid var(--ink);border-radius:14px;padding:2px 16px}
.bal{background:var(--surface);border-radius:16px;padding:16px 18px;margin:18px 0;font-size:1.5rem;font-variant-numeric:tabular-nums}
.bal div{padding:4px 0}
.bal .q{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-weight:600}

/* results */
.score{font-size:5rem;font-weight:700;line-height:1;text-align:center;font-variant-numeric:tabular-nums;margin:26px 0 4px;letter-spacing:-.03em}
.score small{font-size:1.4rem;font-weight:500;color:var(--muted)}
.center{text-align:center}
.lvchange{text-align:center;margin:10px 0 28px;font-size:1.05rem}

/* rest + ads */
.rest{text-align:center}
.rest h1{margin-top:.6em}
.ring{display:block;width:150px;height:150px;margin:18px auto 6px}
.ring .track{stroke:var(--line)}
.ring .bar{stroke:var(--sun);transition:stroke-dashoffset 1s linear}
.ring text{font-family:inherit;font-size:44px;font-weight:600;fill:var(--ink)}
.tip{max-width:420px;margin:10px auto 18px;color:var(--muted)}
.nextup{font-size:.92rem;color:var(--muted);margin:0 0 16px}
.adslot{background:var(--surface);border:1.5px dashed var(--line);border-radius:14px;min-height:250px;margin:0 auto 20px;max-width:360px;padding:8px;display:flex;flex-direction:column}
.adlab{font-size:.72rem;color:var(--muted);text-align:left;margin-bottom:6px}
.adph{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem}
.adslot ins{flex:1}
.btn:disabled{opacity:.45;cursor:default}

/* premium */
.sheet{z-index:60}
.linkbtn{background:none;border:0;color:var(--sky);font-weight:500;text-decoration:underline;cursor:pointer;padding:12px;min-height:44px}
.plans{display:grid;gap:12px;margin:18px 0}
.plan{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:16px;border:2px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;text-align:left}
.plan.best{border-color:var(--sun)}
.plan b{font-size:1.1rem;font-weight:600}
.plan .pr{font-size:1.25rem;font-weight:600;white-space:nowrap}
.plan small{display:block;color:var(--muted);font-size:.85rem}
.plan[aria-disabled="true"]{opacity:.5;pointer-events:none}
.perks{list-style:none;padding:0;margin:14px 0}
.perks li{padding:8px 0 8px 30px;position:relative}
.perks li::before{content:'';position:absolute;left:4px;top:15px;width:12px;height:12px;border-radius:50%;background:var(--sun)}
.badge{display:inline-block;background:var(--sun);color:#1B2433;font-size:.78rem;font-weight:600;border-radius:999px;padding:3px 10px}
.note{font-size:.85rem;color:var(--muted)}
.msg{min-height:1.4em;font-size:.95rem;margin:8px 0}
.msg.err{color:var(--bad)} .msg.okm{color:var(--ok)}

/* forms */
.field{margin:20px 0}
.field > label,.field > .lab{display:block;font-weight:500;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:46px;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
input.text{width:100%;min-height:54px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;padding:10px 14px}

/* progress */
.bigstats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.bigstats div{background:var(--surface);border-radius:16px;padding:14px 12px}
.bigstats b{display:block;font-size:1.7rem;font-weight:600;line-height:1.1;font-variant-numeric:tabular-nums}
.bigstats span{font-size:.82rem;color:var(--muted)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{background:var(--surface);border-radius:16px;padding:14px;border-left:5px solid}
.tile b{display:block;font-size:1.4rem;font-weight:600}
.tile span{font-size:.85rem;color:var(--muted)}
.chart{background:var(--surface);border-radius:16px;padding:12px}
.chart svg{display:block;width:100%;height:auto}
.hist li{display:flex;gap:10px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.hist li:last-child{border-bottom:0}
.hist .s{margin-left:auto;font-weight:600;font-variant-numeric:tabular-nums}
.empty{background:var(--surface);border-radius:16px;padding:22px;text-align:center;color:var(--muted)}
.sync{font-size:.8rem;color:var(--muted);text-align:center;margin-top:24px}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* landing (contenuto SEO, visibile solo prima di creare il profilo) */
body.has-profile .landing{display:none}
body:not(.has-profile) .app{padding-bottom:12px}
.lhero{max-width:560px;margin:0 auto;padding:10px 18px 0}
.lhero .sky{margin:0 -18px}
.lhero h1{font-size:2.15rem;line-height:1.12;margin:.2em 0 .3em;letter-spacing:-.02em}
.lhero .lead{font-size:1.12rem;margin:0 0 16px}
.freebadges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;list-style:none}
.freebadges li{background:var(--surface);border-radius:999px;padding:7px 14px;font-size:.9rem;font-weight:500}
.freebadges li:first-child{background:var(--sun);color:#1B2433}
.lhero .btn{text-decoration:none}
.linfo{max-width:560px;margin:0 auto;padding:8px 18px 64px}
.linfo h2{font-size:1.35rem;margin:2em 0 .7em}
.linfo h3{font-size:1.05rem;font-weight:600;margin:0 0 .25em}
.feats{display:grid;gap:12px}
.feats div{background:var(--surface);border-radius:16px;padding:16px}
.feats p,.exarea p{margin:0;color:var(--muted)}
.exarea{background:var(--surface);border-radius:16px;padding:16px;margin-bottom:12px;border-left:5px solid}
.exarea ul{list-style:none;margin:8px 0 0;padding:0}
.exarea li{padding:8px 0;border-top:1px solid var(--line)}
.exarea li b{display:block;font-weight:600}
.exarea li span{color:var(--muted);font-size:.95rem}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:4px 0 14px 46px}
.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;background:var(--sun);color:#1B2433;font-weight:600;display:flex;align-items:center;justify-content:center}
.steps p{margin:0;color:var(--muted)}
.faq details{background:var(--surface);border-radius:14px;padding:4px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:500;padding:12px 0;list-style-position:outside}
.faq details p{margin:0 0 14px;color:var(--muted)}
.lfoot{margin-top:2.5em;font-size:.9rem;color:var(--muted)}
.lfoot .langs{display:flex;flex-wrap:wrap;gap:6px 14px;margin:6px 0 14px}
.lfoot a{color:var(--ink)}
/* personalizzazione */
.swatches{gap:12px}
.sw{width:46px;height:46px;border-radius:50%;border:3px solid var(--surface);box-shadow:0 0 0 2px var(--line);cursor:pointer;padding:0}
.sw[aria-pressed="true"]{box-shadow:0 0 0 3px var(--ink)}
.panel .field:first-child{margin-top:0}
.panel .field:last-child{margin-bottom:0}
.err{color:var(--bad)!important}
/* messaggio incoraggiante */
.cheer{position:fixed;left:0;right:0;bottom:calc(76px + env(safe-area-inset-bottom,0px));z-index:45;display:flex;justify-content:center;padding:0 14px;pointer-events:none;opacity:0;transform:translateY(16px);transition:opacity .45s ease,transform .45s cubic-bezier(.2,.8,.2,1)}
.cheer.show{opacity:1;transform:none}
.cheer-in{pointer-events:auto;width:100%;max-width:528px;background:var(--ink);color:var(--bg);border-radius:18px;padding:14px 6px 14px 16px;display:flex;gap:12px;align-items:flex-start;box-shadow:0 10px 30px rgba(10,20,40,.22)}
.cheer-sun{flex:none;width:26px;height:26px;margin-top:2px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 5px color-mix(in srgb,var(--sun) 30%,transparent)}
.cheer-txt{flex:1}
.cheer-txt b{display:block;font-size:.82rem;font-weight:500;opacity:.75}
.cheer-txt p{margin:2px 0 0;font-size:1rem;line-height:1.4}
.cheer-x{flex:none;width:44px;height:44px;margin-top:-6px;border:0;background:none;color:inherit;font-size:1.4rem;cursor:pointer;opacity:.8}
/* logo */
.lhero .brand{display:inline-flex;color:var(--ink);margin:14px 0 22px;min-height:44px;align-items:center}
.brandlogo{height:40px;width:auto;display:block}