/* OPEN AI Lab: design system OPEN Insieme (dark), varianti OPEN Insieme (teal) e OPEN2me (magenta) */
:root{
  --bg:#221F2A; --surface:#332F3D; --surface-2:#433C51; --header:#302C39; --line:rgba(255,255,255,.10);
  --teal:#00D1D2; --teal-dk:#1E8D8B; --teal-glow:rgba(30,141,139,.22);
  --mag:#D0004A; --mag-dk:#670025; --mag-soft:#785461;
  --gold:#D9B12B; --green:#14A04A; --red:#FF5A7A;
  --fg:#FFFFFF; --fg-2:rgba(240,240,240,.70); --fg-3:rgba(240,240,240,.45);
  --on-teal:#16141C;
  --accent:var(--teal);
  --f-display:"Outfit","Noto Sans Display",system-ui,sans-serif;
  --f-body:"Noto Sans Display","Outfit",system-ui,sans-serif;
  color-scheme:dark;
}
body.o2m{--accent:var(--mag)}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--teal)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);margin:0;text-wrap:balance;font-weight:700}
.wrap{max-width:1200px;margin:0 auto;padding-inline:20px}
.muted{color:var(--fg-2)}
.tiny{font-size:12px;color:var(--fg-3)}
.num{font-variant-numeric:tabular-nums}

/* demo bar */
.labbar{background:#16141C;border-bottom:1px solid var(--line);font-size:12px;color:var(--fg-2)}
.labbar .wrap{display:flex;gap:14px;align-items:center;min-height:34px;flex-wrap:wrap}
.labbar a{color:var(--fg-2);text-decoration:none}
.labbar a:hover{color:var(--fg)}
.labbar .tag{background:var(--surface-2);color:var(--fg);border-radius:999px;padding:2px 10px;font-weight:600;letter-spacing:.3px}
.labbar .sp{flex:1}
.aimode{display:inline-flex;align-items:center;gap:6px}
.aimode i{width:8px;height:8px;border-radius:50%;background:var(--fg-3);display:inline-block}
.aimode.live i{background:var(--green)}
.aimode.demo i{background:var(--gold)}

/* header */
.hdr{background:var(--header);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hdr .wrap{display:flex;align-items:center;gap:22px;min-height:68px;flex-wrap:wrap;padding-block:8px}
.logo{display:flex;flex-direction:column;line-height:.85;font-family:var(--f-display);font-weight:800;font-size:28px;letter-spacing:-1px;text-decoration:none;color:var(--fg)}
.logo small{font-size:10px;font-weight:500;letter-spacing:.2px;margin-top:3px}
.logo.o2m{flex-direction:row;align-items:flex-end;gap:2px}
.logo.o2m .coin{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#F7D774,#C9952A);margin-right:3px;align-self:center}
.logo.o2m em{font-style:italic;color:#F2A93B;font-size:22px;font-weight:700;letter-spacing:0}
.nav{display:flex;gap:20px;flex-wrap:wrap;font-family:var(--f-display);font-size:14px}
.nav a{color:var(--fg);text-decoration:none;padding-block:22px;border-bottom:2px solid transparent}
.nav a.on{border-bottom-color:var(--accent)}
body.o2m .nav a.on{border-bottom-color:#F2A93B}
.hdr .right{margin-left:auto;display:flex;gap:10px;align-items:center}
.bell{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:var(--bg)}
.user{display:flex;align-items:center;gap:10px;background:var(--bg);border-radius:999px;padding:5px 6px 5px 16px;border:1px solid var(--line)}
.user b{display:block;font-family:var(--f-display);font-size:13px;line-height:1.15}
.user span{font-size:11px;color:var(--fg-2)}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal-dk));display:grid;place-items:center;font-weight:800;font-family:var(--f-display);color:var(--on-teal);font-size:14px}
.coinpill{display:flex;align-items:center;gap:10px;background:linear-gradient(270deg,var(--mag-soft),var(--mag) 50%,var(--mag-dk));border-radius:999px;padding:7px 16px;font-family:var(--f-display);font-size:13px;line-height:1.15}
.coinpill b{font-size:15px}

/* persona switch */
.persona{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.persona label{font-size:12px;color:var(--fg-2)}
.persona select{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:6px 10px;max-width:100%}

/* page */
.crumb{font-size:12px;color:var(--fg-2);margin-top:22px}
.ptitle{font-size:clamp(26px,3.6vw,36px);margin-top:8px}
.pintro{color:var(--fg-2);max-width:72ch;margin:8px 0 0}
section{margin-top:34px}
.sec-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sec-h h2{font-size:22px}
.card{background:linear-gradient(var(--surface) 70%,var(--teal-glow));border-radius:16px;padding:20px;min-width:0}
body.o2m .card{background:linear-gradient(var(--surface) 70%,rgba(208,0,74,.10))}
.panel{background:var(--surface);border-radius:16px;padding:20px;min-width:0}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr))}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:8px;padding:10px 18px;font-family:var(--f-display);font-weight:600;cursor:pointer;text-decoration:none;font-size:14px;line-height:1.2}
.btn.teal{background:var(--teal);color:var(--on-teal)}
.btn.mag{background:var(--mag);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--teal);color:var(--fg)}
body.o2m .btn.ghost{border-color:var(--mag)}
.btn.dark{background:var(--surface-2);color:var(--fg)}
.btn:disabled{opacity:.5;cursor:default}
.btn:focus-visible,.chip:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.chip{background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--fg)}
.chip.on{border-color:var(--accent)}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;border-radius:6px;padding:2px 9px;font-family:var(--f-display);white-space:nowrap}
.p-gold{border:1px solid var(--gold);color:var(--gold)}
.p-green{background:var(--green);color:#fff}
.p-teal{background:var(--teal);color:var(--on-teal)}
.p-mag{background:var(--mag);color:#fff}
.p-ghost{background:var(--surface-2);color:var(--fg)}
.p-red{border:1px solid var(--red);color:var(--red)}

/* product card (OPEN2me) */
.prod{background:#fff;color:#1d1b23;border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:6px;position:relative;min-width:0;cursor:pointer;border:2px solid transparent;transition:transform .15s}
.prod:hover{transform:translateY(-2px)}
.prod.sel{border-color:#F2A93B}
.prod .coins{align-self:flex-start;background:#1d1b23;color:#fff;border:1px solid var(--mag);border-radius:6px;font-size:12px;font-weight:700;padding:2px 8px;font-family:var(--f-display)}
.prod .heart{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;border:1px solid #ccc;background:#fff;display:grid;place-items:center;cursor:pointer;font-size:15px;color:#1d1b23}
.prod .heart.on{background:var(--mag);border-color:var(--mag);color:#fff}
.prod .ph{height:96px;border-radius:10px;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:30px;color:#fff;letter-spacing:-1px}
.prod .brand{font-size:12px;color:#6b6676;text-align:center}
.prod .name{font-family:var(--f-display);font-weight:700;font-size:14px;line-height:1.25;text-align:center}
.prod .why{font-size:12px;color:#7a2242;background:#fbeaf0;border-radius:8px;padding:6px 8px;margin-top:auto}
.ph.c-hitech{background:linear-gradient(135deg,#2B3A67,#4B6CB7)}
.ph.c-casa{background:linear-gradient(135deg,#7A3E2B,#C8734F)}
.ph.c-lavoro{background:linear-gradient(135deg,#1E5F5E,#2FA8A6)}
.ph.c-tempo{background:linear-gradient(135deg,#5B2A6B,#A55AB8)}
.ph.c-outlet{background:linear-gradient(135deg,#6B4A10,#D9A52B)}
.ph.c-buoni{background:linear-gradient(135deg,#670025,#D0004A)}

/* AI badge and note */
.ai-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--teal);font-family:var(--f-display)}
.ai-badge::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--teal);transform:rotate(45deg)}
.note{background:var(--surface-2);border-radius:12px;padding:12px 14px;color:var(--fg-2);font-size:13px}
.how{border:1px dashed var(--line);border-radius:12px;padding:14px 16px;font-size:13px;color:var(--fg-2)}
.how b{color:var(--fg)}

/* progress */
.prog{height:12px;background:var(--surface-2);border-radius:999px;overflow:hidden}
.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--mag),#F2A93B);border-radius:999px;transition:width .6s}
.prog.teal i{background:var(--teal)}

/* spinner */
.think{display:inline-flex;gap:4px;align-items:center}
.think i{width:6px;height:6px;border-radius:50%;background:var(--teal);animation:b 1s infinite}
.think i:nth-child(2){animation-delay:.15s}.think i:nth-child(3){animation-delay:.3s}
@keyframes b{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* footer */
.foot{margin-top:56px;background:var(--header);border-top:1px solid var(--line);padding-block:22px;font-size:13px;color:var(--fg-2)}
.foot .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}

/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;z-index:50;padding:16px}
.modal .box{background:var(--surface);border-radius:16px;max-width:560px;width:100%;padding:24px;max-height:90vh;overflow:auto}

table{border-collapse:collapse;width:100%;font-size:13px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--f-display);font-weight:600;color:var(--fg-2);font-size:11px;text-transform:uppercase;letter-spacing:.6px;background:var(--header)}
.tbl{overflow-x:auto;border-radius:12px;background:var(--surface)}

@media (max-width:720px){.nav{display:none}.hdr .right .user span{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* lingua dei testi del laboratorio */
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:2px;gap:2px}
.lang button{border:0;background:transparent;color:var(--fg-2);font:inherit;font-size:11px;font-weight:600;letter-spacing:.3px;border-radius:999px;padding:2px 8px;cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.lang button i{font-style:normal;font-size:12px}
.lang button.on{background:var(--surface-2);color:var(--fg)}
.lang button:hover{color:var(--fg)}