/* Linea F · Morbida: pagine server (/login, /io, /auth/mcp). Token e font in linea-f.css, caricato prima.
   Mockup: docs/design/brain-aziendale/linea-f/mockup.html. Testo >= 7:1 su ogni fondo. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:400 var(--t15)/1.4 var(--font);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd,dt{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
img,svg,video{display:block;max-width:100%}
b,strong{font-weight:600}
button{font:inherit;color:inherit;cursor:pointer}
code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.nav :focus-visible,.cc :focus-visible{outline-color:var(--paper)}
.ico{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.ico.s{width:17px;height:17px;stroke-width:2}

/* pastelli: il tipo di pagina, ognuno col suo inchiostro */
.t-g{background:var(--g);color:var(--g-ink)} .t-b{background:var(--b);color:var(--b-ink)}
.t-l{background:var(--l);color:var(--l-ink)} .t-p{background:var(--p);color:var(--p-ink)}
.t-y{background:var(--y);color:var(--y-ink)} .t-k{background:var(--k);color:var(--k-ink)}
.t-tray{background:var(--tray);color:var(--ink)}
.av{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;font-weight:600;font-size:var(--t16);flex:0 0 auto}

.lgo{display:flex;align-items:center;gap:10px;text-decoration:none}
.lgo img{height:20px;width:auto}
.lgo span{font-size:var(--t15);font-weight:600;height:28px;padding:0 11px;border-radius:14px;background:var(--ink);color:var(--paper);display:inline-flex;align-items:center}

/* cerchi concentrici con le orbite di pagine colorate (mockup: .rings, .orb) */
.rings{position:relative;width:var(--sz);height:var(--sz);margin:0 auto;--sz:150px;--o:48px;--ring-bg:var(--y)}
.band{position:absolute;inset:0;border-radius:50%;background:rgba(16,20,26,.07)}
.band.b2{inset:13%;background:rgba(255,255,255,.42)}
.band.b3{inset:27%;background:var(--paper);display:grid;place-items:center;box-shadow:0 14px 30px rgba(16,20,26,.12)}
.band.b3 .ico{width:44%;height:44%;stroke-width:1.5;color:var(--p-ink)}
.band.b3 img{width:34%;height:auto}
.orb{position:absolute;left:50%;top:50%;width:var(--o);height:var(--o);margin:calc(var(--o)/-2);border-radius:50%;display:grid;place-items:center;transform:rotate(var(--a)) translate(calc(var(--sz)/2 - 6px)) rotate(calc(-1*var(--a)));box-shadow:0 0 0 4px var(--ring-bg)}

/* ============ ACCESSO (login, non invitato) ============ */
.lg{min-height:100svh;display:flex;flex-direction:column}
.lg-art{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;padding:26px 22px 70px}
.lg-art .rings{--sz:min(290px,74vw);margin:26px auto 0}
.nega .lg-art .rings{--sz:min(250px,66vw);margin-top:30px}
.lg-sheet{position:relative;z-index:1;flex:1;margin-top:-32px;background:var(--paper);border-radius:36px 36px 0 0;padding:28px max(22px,calc((100% - 520px)/2)) calc(40px + env(safe-area-inset-bottom,0px))}
.title{font-size:27px;line-height:1.08;font-weight:600;text-wrap:balance}
.lead{font-size:var(--t15);line-height:1.5;color:var(--ink2);margin:12px 0 22px}
.gbtn{height:60px;border-radius:30px;background:var(--ink);color:var(--paper);display:flex;align-items:center;justify-content:center;gap:12px;font-size:var(--t16);font-weight:600;text-decoration:none;border:0;width:100%;transition:transform .12s}
.gbtn:active{transform:scale(.98)}
.gbtn .gc{width:34px;height:34px;border-radius:50%;background:var(--paper);display:grid;place-items:center}
.gbtn:focus-visible{outline-color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{height:38px;padding:0 15px;border-radius:19px;font-size:var(--t14);font-weight:600;display:inline-flex;align-items:center;gap:7px}
.err{border-radius:26px;padding:18px}
.err .label{font-size:var(--t13);font-weight:600;margin-bottom:8px}
.err .eh{display:flex;gap:10px;align-items:flex-start}
.err h1{font-size:var(--t17);font-weight:600;line-height:1.25}
.err p:last-child{font-size:var(--t14);line-height:1.45;margin-top:10px;overflow-wrap:anywhere}
.nega .gbtn{margin-top:20px}

/* video 3D: solo desktop. Rimpicciolito e sfumato ai bordi perche' il cervello in rotazione resti intero nel pannello.
   Con prefers-reduced-motion il video non c'e': resta il poster. Se il video non parte, il poster dell'elemento e il fondo blu restano. */
.hero-media{display:none;position:absolute;inset:0;z-index:-1;background:#0b1a2e}
.hero-media video{width:100%;height:100%;object-fit:cover;transform:scale(.9);-webkit-mask-image:radial-gradient(ellipse 54% 52% at 50% 50%,#000 60%,transparent 100%);mask-image:radial-gradient(ellipse 54% 52% at 50% 50%,#000 60%,transparent 100%)}
@media (prefers-reduced-motion:reduce){.hero-media{background:var(--y) url(logo-linea-2.png) center/cover no-repeat}.hero-media video{display:none}}

@media (min-width:900px){
  .lg{display:grid;grid-template-columns:minmax(420px,48.5%) minmax(0,1fr);padding:20px}
  .lg-art{position:sticky;top:20px;height:calc(100svh - 40px);min-height:560px;border-radius:36px;padding:34px 36px}
  .hero-media{display:block}
  .lg-art .lgo{align-self:flex-start;padding:9px 14px 9px 16px;border-radius:26px;background:var(--paper)}
  .lg-art .lgo span{height:30px}
  .lg-art .rings,.nega .lg-art .rings{--sz:clamp(260px,calc(100svh - 260px),460px);--o:64px;--ring-bg:rgba(252,253,254,.3);margin:auto}
  .orb .ico{width:30px;height:30px;stroke-width:1.6}
  .band{background:rgba(252,253,254,.12)} .band.b2{background:rgba(252,253,254,.16)}
  .entra .band.b3{background:transparent;box-shadow:none}
  .entra .band.b3 img{display:none}
  .nega .lg-art .rings{--sz:150px;margin:auto auto 8px}
  .lg-sheet{margin:0;background:none;border-radius:0;display:flex;flex-direction:column;justify-content:center;padding:40px clamp(40px,7vw,90px) 40px clamp(48px,6vw,100px)}
  .lg-sheet>*{width:100%;max-width:560px}
  .title{font-size:clamp(40px,3.9vw,56px);line-height:1.02}
  .lead{font-size:var(--t17);margin:18px 0 30px;max-width:30em}
  .gbtn{height:64px;border-radius:32px;max-width:380px}
  .tags{margin-top:22px}
  .err{padding:26px}
  .err h1{font-size:var(--t27)}
  .err p:last-child{font-size:var(--t17)}
  .nega .gbtn{margin-top:26px}
}

/* ============ APP (/io, consenso) ============ */
.appbar{max-width:1120px;margin:0 auto;padding:22px 22px 0;display:flex;align-items:center;gap:16px}
.appbar .lgo{margin-right:auto}
.appbar form{margin:0;order:4}.appbar .esci{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border:2px solid var(--ink);border-radius:20px;background:transparent;color:var(--ink);font:inherit;font-size:var(--t14);font-weight:600;cursor:pointer}.appbar .esci:hover,.appbar .esci:focus-visible{background:var(--ink);color:var(--paper)}
.av.me{width:46px;height:46px;font-size:var(--t15)}
.nav{position:fixed;left:18px;right:18px;bottom:calc(22px + env(safe-area-inset-bottom,0px));height:74px;border-radius:37px;background:var(--ink);display:flex;align-items:center;justify-content:space-between;padding:0 9px;z-index:5;box-shadow:0 18px 34px rgba(16,20,26,.28)}
body.app:has(.nav)::after{content:"";position:fixed;left:0;right:0;bottom:0;height:calc(118px + env(safe-area-inset-bottom,0px));background:var(--ground);z-index:4}
.nav a{height:56px;border-radius:28px;display:flex;align-items:center;gap:8px;padding:0 22px 0 18px;font-weight:600;font-size:var(--t16);text-decoration:none;white-space:nowrap}
.nav .nb{background:var(--navbtn);color:var(--onnav)}
.nav .on{background:var(--lime);color:var(--ink)}
.page{max-width:1120px;margin:0 auto;padding:22px 22px 150px;display:flex;flex-direction:column;gap:26px}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}
.card{background:var(--paper);border-radius:30px;padding:22px}
.h2{font-size:var(--t27);line-height:1.1;font-weight:600}
.helper{color:var(--ink2);font-size:var(--t14);margin-top:4px}

.profile{display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 16px;align-items:center}
.av.big{width:72px;height:72px;font-size:var(--t20)}
.profile h1{font-size:var(--t27);line-height:1.1;font-weight:600;overflow-wrap:anywhere}
.profile .mail{color:var(--ink2);font-size:var(--t15);margin-top:4px;overflow-wrap:anywhere}
.kv{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.kv>div{background:var(--tray);border-radius:22px;padding:10px 18px;min-width:120px}
.kv dt{font-size:var(--t13);color:var(--ink2)}
.kv dd{font-size:var(--t15);font-weight:600;overflow-wrap:anywhere}

.empty{text-align:center;border-radius:36px;padding:28px 22px 26px}
.empty .h{font-size:var(--t27);line-height:1.15;font-weight:600;margin:20px auto 0;max-width:15em;text-wrap:balance}
.empty p{font-size:var(--t15);line-height:1.5;margin:10px auto 20px;max-width:30em}
.open{height:46px;padding:0 18px 0 20px;border-radius:23px;background:var(--ink);color:var(--paper);display:inline-flex;align-items:center;gap:8px;font-size:var(--t15);font-weight:600;text-decoration:none}
.empty .open:focus-visible{outline-color:var(--y-ink)}

/* fonti */
.srow{background:var(--paper);border-radius:24px;padding:14px;margin-top:12px}
.srow .line{display:flex;align-items:center;gap:12px}
.si{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto}
.nm{flex:1;min-width:0}
.nm b{display:block;font-size:var(--t15);line-height:1.25}
.nm span{display:block;font-size:var(--t14);color:var(--ink2);overflow-wrap:anywhere}
.pill{height:32px;padding:0 12px 0 10px;border-radius:16px;font-size:var(--t13);font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;flex:0 0 auto}
.pill:first-child{padding-left:12px}
.bar{height:8px;border-radius:4px;background:var(--hair);margin:12px 0 6px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--g-ink);border-radius:4px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px 14px;font-size:var(--t14);color:var(--ink2);margin-top:12px}
.foot>span:first-child{flex:1 1 200px;min-width:0}
.foot.nowrap{flex-wrap:nowrap;margin-top:0}
.srow .note{font-size:var(--t14);color:var(--ink2);margin-top:8px}
.mini{height:40px;padding:0 16px;border-radius:20px;background:var(--ink);color:var(--paper);font-size:var(--t14);font-weight:600;border:1.5px solid var(--ink);display:inline-flex;align-items:center;gap:6px;text-decoration:none;white-space:nowrap}
.mini.o{background:var(--paper);color:var(--ink);border-color:var(--line)}
.foot form{margin:0}

/* Claude Code */
.cc{background:var(--ink);color:var(--paper);border-radius:28px;padding:18px 18px 18px}
.cc .hd{display:flex;align-items:center;gap:10px}
.cc .ti{width:40px;height:40px;border-radius:50%;background:var(--navbtn);display:grid;place-items:center;color:var(--onnav)}
.cc h2{font-size:var(--t16);font-weight:600}
.cc>p{font-size:var(--t14);line-height:1.45;color:var(--oncode);margin:10px 0 12px}
.steps{display:flex;flex-direction:column;gap:8px;margin:0 0 14px;font-size:var(--t14);line-height:1.4;color:var(--oncode)}
.steps li{display:grid;grid-template-columns:24px 1fr;gap:10px;align-items:start}
.steps .n{width:24px;height:24px;border-radius:50%;background:var(--navbtn);color:var(--onnav);display:grid;place-items:center;font-size:var(--t13);font-weight:600}
.steps b{color:var(--paper)}
.cc code{display:block;background:var(--navbtn);color:#f2f4f7;border-radius:16px;padding:12px 14px;font-size:var(--t13);line-height:1.5;overflow-wrap:anywhere;user-select:all}

/* agenti collegati (token personali) */
.agenti>.note{font-size:var(--t14);color:var(--ink2);margin-top:12px}
.agenti .srow.nuovo{background:var(--y);color:var(--y-ink)}
.agenti .nuovo .nm span,.agenti .nuovo .note{color:var(--y-ink)}
.agenti code{display:block;background:var(--paper);color:var(--ink);border-radius:16px;padding:12px 14px;margin-top:12px;font-size:var(--t13);line-height:1.5;overflow-wrap:anywhere;user-select:all}
.agenti .line form{margin:0}
.agenti input{flex:1 1 200px;min-width:0;height:40px;border-radius:20px;border:1.5px solid var(--line);padding:0 16px;font:inherit;font-size:var(--t14);background:var(--paper);color:var(--ink)}

/* consenso */
.consent .intro{gap:14px}
.kicker{font-size:var(--t14);color:var(--ink2);font-weight:600}
.consent h1{font-size:var(--t32);line-height:1.08;font-weight:600;text-wrap:balance;overflow-wrap:anywhere}
.consent h1 .who{display:block;width:fit-content;max-width:100%;margin-top:10px;font-size:.72em;line-height:1.3;background:var(--tray);border-radius:16px;padding:6px 14px;overflow-wrap:anywhere}
.consent .lead{margin:0;font-size:var(--t16);max-width:34em;overflow-wrap:anywhere}
.consent .lead b{color:var(--ink)}
.ident{display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:24px}
.ident p b,.ident p span{display:block}
.ident p b{font-size:var(--t15)}
.ident p span{font-size:var(--t14);color:var(--ink2)}
.perm-card{padding:18px;border-radius:36px;gap:12px}
.perm{border-radius:26px;padding:16px 18px}
.perm h2{font-size:var(--t20);font-weight:600;margin-bottom:10px}
.perm ul{display:flex;flex-direction:column;gap:10px}
.perm li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;font-size:var(--t15);line-height:1.4}
.perm .gl{width:28px;height:28px;border-radius:50%;background:var(--paper);display:grid;place-items:center}
.actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.cta{height:60px;border-radius:30px;background:var(--lime);color:var(--ink);display:flex;align-items:center;justify-content:center;gap:10px;font-size:var(--t16);font-weight:600;border:0;width:100%;transition:transform .12s}
.cta:active{transform:scale(.98)}
.cta.o{background:var(--paper);border:1.5px solid var(--line)}
.perm-card .foot{display:block;text-align:center;margin:4px 0 0;font-size:var(--t14)}

@media (min-width:900px){
  .appbar{padding-top:28px}
  .nav{position:static;height:60px;border-radius:30px;padding:0 6px;box-shadow:none;order:2}
  .nav a{height:48px;border-radius:24px;padding:0 20px 0 16px}
  .appbar .lgo{margin-right:0}
  .appbar .lgo{flex:1}
  .av.me{order:3;flex:0 0 auto}
  .appbar:not(:has(.nav)) .av.me{margin-left:auto}
  body.app:has(.nav)::after{display:none}
  .page{flex-direction:row;align-items:flex-start;gap:40px;padding:34px 22px 80px}
  .page .col{flex:1 1 0}
  .page>.col:first-child{flex:0 0 400px}
  .page.solo>.col{max-width:560px;margin:0 auto}
  .page.consent{align-items:center;gap:56px;padding-top:56px}
  .page.consent>.col:first-child{flex:1 1 0}
  .consent h1{font-size:clamp(36px,3.6vw,48px)}
  .consent .lead{font-size:var(--t17)}
  .empty .h{font-size:var(--t27)}
}
@media (prefers-reduced-motion:reduce){.gbtn,.cta{transition:none}}