/* =========================================================
   Palestra di Logica — tema condiviso (dashboard + quiz)
========================================================= */
:root{
  --bg:#060a16; --bg2:#0a1024;
  --surface:#0f1730; --surface2:#131d3c;
  --ink:#e8eefc; --ink-soft:#93a4c8; --line:#22304f;
  --neon:#00f0ff; --neon2:#7c3aed; --green:#39ff14; --green-d:#16a34a;
  --amber:#fbbf24; --amber-soft:#3a2f12; --red:#ff5a6a; --red-soft:#3a161c;
  --blue:#3b82f6;
  --display:"Orbitron",sans-serif; --body:"IBM Plex Sans",sans-serif; --mono:"Share Tech Mono",monospace;
  --radius:16px; --shadow:0 18px 50px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--body);color:var(--ink);min-height:100vh;line-height:1.55;
  background:
    radial-gradient(900px 480px at 88% -8%, rgba(124,58,237,.20) 0,transparent 60%),
    radial-gradient(760px 420px at -6% 108%, rgba(0,240,255,.16) 0,transparent 55%),
    var(--bg);
}
.wrap{max-width:980px;margin:0 auto;padding:22px 20px 90px}
a{color:var(--neon);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- TOP BAR ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0 8px;border-bottom:1px solid var(--line);margin-bottom:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  font-family:var(--mono);font-weight:700;color:#021018;
  background:linear-gradient(135deg,var(--neon),#27d3ff);box-shadow:0 0 18px rgba(0,240,255,.5)}
.brand .name{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.02em}
.brand .sub{font-family:var(--mono);font-size:11px;color:var(--ink-soft);letter-spacing:.18em;text-transform:uppercase}
.logout{font-family:var(--mono);font-size:12px;color:var(--ink-soft);border:1px solid var(--line);
  padding:8px 12px;border-radius:9px}
.logout:hover{border-color:var(--neon);color:var(--neon);text-decoration:none}

/* ---------- HERO ---------- */
.hero{position:relative;background:linear-gradient(135deg,rgba(124,58,237,.18),rgba(0,240,255,.08));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px;overflow:hidden;margin-bottom:24px}
.hero .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--neon)}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(26px,5vw,40px);margin:6px 0 6px;letter-spacing:.01em}
.hero p{color:var(--ink-soft);max-width:62ch;margin:0;font-size:15px}
.hero .bits{position:absolute;right:18px;top:14px;font-family:var(--mono);color:rgba(0,240,255,.25);font-size:13px;letter-spacing:.3em}

/* ---------- STAT STRIP ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.stat .v{font-family:var(--display);font-weight:700;font-size:30px;margin-top:4px}
.stat .v small{font-size:16px;color:var(--ink-soft);font-weight:500}
.leds{display:flex;gap:6px;margin-top:10px}
.led{width:13px;height:13px;border-radius:50%;background:#1b2747;border:1px solid var(--line)}
.led.lit{background:var(--green);border-color:var(--green);box-shadow:0 0 10px rgba(57,255,20,.6)}

/* ---------- SECTION TITLE ---------- */
.sec-title{font-family:var(--display);font-weight:700;font-size:16px;letter-spacing:.04em;
  margin:0 0 14px;display:flex;align-items:center;gap:10px}
.sec-title::before{content:"";width:18px;height:2px;background:var(--neon);box-shadow:0 0 10px var(--neon)}

/* ---------- MODULE GRID ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.module{display:flex;flex-direction:column;gap:12px;text-align:left;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 20px 18px;color:inherit;font:inherit;position:relative;overflow:hidden;
  transition:transform .15s,border-color .15s,box-shadow .15s}
.module::after{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:radial-gradient(360px 120px at 100% 0,rgba(0,240,255,.10),transparent 70%);opacity:0;transition:opacity .2s}
.module:hover{transform:translateY(-4px);border-color:rgba(0,240,255,.5);box-shadow:var(--shadow)}
.module:hover::after{opacity:1}
.module:focus-visible{outline:3px solid var(--neon);outline-offset:2px}
.module .row1{display:flex;align-items:center;justify-content:space-between}
.mnum{font-family:var(--mono);font-size:12px;color:var(--neon);letter-spacing:.12em}
.micon{font-size:22px;line-height:1}
.mname{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.2}
.mmeta{font-size:13px;color:var(--ink-soft);margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px}
.chip{font-family:var(--mono);font-size:11px;padding:4px 9px;border-radius:999px;background:#10204a;color:var(--ink-soft);border:1px solid var(--line)}
.chip.done{background:rgba(57,255,20,.10);color:#9dffb0;border-color:rgba(57,255,20,.4)}
.bar-mini{height:7px;border-radius:99px;background:#16213f;overflow:hidden}
.bar-mini>i{display:block;height:100%;background:linear-gradient(90deg,var(--neon),var(--neon2));width:0;transition:width .5s}
.arrow{font-family:var(--mono);color:var(--ink-soft)}

/* ---------- RESULTS TABLE ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.res{width:100%;border-collapse:collapse;font-size:14px}
table.res th,table.res td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.res th{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);background:var(--surface2)}
table.res tr:last-child td{border-bottom:none}
.badge{font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:999px;display:inline-block}
.badge.ok{background:rgba(57,255,20,.12);color:#9dffb0}
.badge.mid{background:rgba(251,191,36,.14);color:#ffd97a}
.badge.low{background:rgba(255,90,106,.14);color:#ffb0b8}
.badge.none{background:#14203d;color:var(--ink-soft)}
.empty{padding:26px;text-align:center;color:var(--ink-soft);font-family:var(--mono);font-size:13px}

footer.foot{margin-top:34px;text-align:center;color:#5b7090;font-size:12px;font-family:var(--mono);letter-spacing:.16em}

/* ===========================================================
   QUIZ
=========================================================== */
.qhead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.qhead .modlabel{font-family:var(--display);font-weight:700;font-size:18px}
.btn-ghost{font:inherit;font-family:var(--mono);font-size:13px;border:1px solid var(--line);
  background:transparent;border-radius:10px;padding:9px 13px;cursor:pointer;color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon)}
.progress{height:9px;border-radius:99px;background:#15203c;overflow:hidden;margin-bottom:6px}
.progress>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--neon),var(--neon2));transition:width .35s}
.pcount{font-family:var(--mono);font-size:12px;color:var(--ink-soft);text-align:right;margin-bottom:18px}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow)}
.qtype{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
.qtext{font-family:var(--display);font-weight:700;font-size:clamp(19px,3.4vw,25px);line-height:1.3;margin:8px 0 4px}
.qtable{font-family:var(--mono);font-size:16px;background:#0a1226;border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;margin:16px 0;display:inline-block;letter-spacing:.04em}
.qtable b{color:var(--neon)}

.opts{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.opt{font:inherit;text-align:left;border:1px solid var(--line);background:var(--surface2);
  border-radius:12px;padding:14px 16px;cursor:pointer;font-size:16px;display:flex;gap:12px;align-items:center;
  color:var(--ink);transition:border-color .12s,background .12s,transform .08s}
.opt:hover{border-color:var(--neon);transform:translateX(2px)}
.opt:focus-visible{outline:3px solid var(--neon);outline-offset:2px}
.opt .key{font-family:var(--mono);font-size:13px;width:28px;height:28px;flex:none;display:grid;place-items:center;
  border-radius:8px;background:#10204a;color:var(--ink-soft)}
.opt.correct{border-color:var(--green-d);background:rgba(57,255,20,.12)}
.opt.correct .key{background:var(--green-d);color:#021008}
.opt.wrong{border-color:var(--red);background:var(--red-soft)}
.opt.wrong .key{background:var(--red);color:#fff}
.opt[disabled]{cursor:default}

.bigrow{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap}
.bigbtn{font:inherit;flex:1;min-width:130px;border:1px solid var(--line);background:var(--surface2);
  border-radius:14px;padding:24px 10px;cursor:pointer;font-family:var(--mono);font-weight:700;font-size:32px;
  color:var(--ink);transition:border-color .12s,background .12s,transform .1s}
.bigbtn .cap{display:block;font-family:var(--body);font-size:13px;font-weight:500;color:var(--ink-soft);margin-top:6px}
.bigbtn:hover{border-color:var(--neon);transform:translateY(-2px)}
.bigbtn:focus-visible{outline:3px solid var(--neon);outline-offset:2px}
.bigbtn.correct{border-color:var(--green-d);background:rgba(57,255,20,.14);color:#9dffb0}
.bigbtn.wrong{border-color:var(--red);background:var(--red-soft);color:#ffb0b8}

.feedback{margin-top:18px;border-radius:12px;padding:15px 16px;font-size:15px;display:none}
.feedback.show{display:block;animation:pop .25s ease}
.feedback.ok{background:rgba(57,255,20,.10);border:1px solid rgba(57,255,20,.35)}
.feedback.no{background:var(--red-soft);border:1px solid rgba(255,90,106,.4)}
.feedback .ftitle{font-family:var(--display);font-weight:700;margin-bottom:4px}
.feedback .why{color:var(--ink)}
.feedback .from{display:block;margin-top:8px;font-family:var(--mono);font-size:11px;color:var(--ink-soft);letter-spacing:.08em}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.navrow{display:flex;justify-content:flex-end;margin-top:22px}
.btn{font:inherit;font-family:var(--display);font-weight:700;letter-spacing:.03em;border:none;
  background:linear-gradient(135deg,var(--neon),#27d3ff);color:#03121a;border-radius:12px;
  padding:13px 26px;cursor:pointer;font-size:15px;box-shadow:0 0 20px rgba(0,240,255,.4)}
.btn:hover{box-shadow:0 0 28px rgba(0,240,255,.65)}
.btn:disabled{opacity:.35;cursor:default;box-shadow:none}

/* RESULTS SCREEN */
.result-emoji{font-size:58px;line-height:1}
.result-score{font-family:var(--display);font-weight:900;font-size:52px}
.result-score small{color:var(--ink-soft);font-size:26px}
.result-msg{color:var(--ink-soft);font-size:16px;max-width:54ch;margin:8px auto 0}
.review{background:var(--amber-soft);border:1px solid rgba(251,191,36,.4);border-left:5px solid var(--amber);
  border-radius:12px;padding:14px 16px;margin:20px 0;font-size:14px;text-align:left}
.review b{color:#ffd97a}
.mailbox{margin:18px auto 0;max-width:560px;text-align:left;background:var(--surface2);border:1px solid var(--line);
  border-radius:12px;padding:16px 18px}
.mailbox h4{font-family:var(--display);font-size:14px;margin:0 0 8px}
.mailstatus{font-family:var(--mono);font-size:13px;margin-top:8px;min-height:20px}
.mailstatus.ok{color:#9dffb0}.mailstatus.err{color:#ffb0b8}.mailstatus.send{color:var(--neon)}
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(0,240,255,.3);border-top-color:var(--neon);
  border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}
.wrong-list{margin:16px 0 0;text-align:left}
.wrong-list .wl-item{background:#0a1226;border:1px solid var(--line);border-left:4px solid var(--red);
  border-radius:10px;padding:12px 14px;margin-bottom:10px;font-size:14px}
.wrong-list .wl-q{font-weight:600;color:var(--ink)}
.wrong-list .wl-a{font-family:var(--mono);font-size:13px;color:#9dffb0;margin:6px 0 4px}
.wrong-list .wl-why{color:var(--ink-soft);font-size:13px}

/* ===========================================================
   GAMIFICATION
=========================================================== */
.xp-box{margin:18px auto 4px;max-width:460px;background:var(--surface2);border:1px solid var(--line);
  border-radius:14px;padding:16px 18px}
.xp-gain{font-family:var(--display);font-weight:900;font-size:28px;color:var(--green);
  text-shadow:0 0 16px rgba(57,255,20,.5)}
.xp-level{display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-family:var(--mono);font-size:13px;color:var(--ink-soft);margin:10px 0 6px}
.xp-streak{color:var(--amber)}
.xp-bar{height:10px;border-radius:99px;background:#16213f;overflow:hidden}
.xp-bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--neon),var(--neon2));
  transition:width .8s cubic-bezier(.2,.9,.3,1)}
.levelup{margin-top:12px;font-family:var(--display);font-weight:700;color:var(--amber);
  letter-spacing:.06em;animation:pulse 1s ease infinite}
@keyframes pulse{50%{transform:scale(1.06)}}
.badge-pop{margin-top:12px;font-family:var(--mono);font-size:13px;color:#9dffb0}
.badge-pop .bdg{display:inline-block;background:rgba(57,255,20,.12);border:1px solid rgba(57,255,20,.4);
  border-radius:999px;padding:4px 12px;margin:4px 3px;color:#9dffb0}

/* dashboard: progress hero card */
.gamebar{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:26px}
.levelcard{background:linear-gradient(135deg,rgba(0,240,255,.10),rgba(124,58,237,.14));
  border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.levelcard .lv{font-family:var(--display);font-weight:900;font-size:26px}
.levelcard .lv small{color:var(--ink-soft);font-size:13px;font-weight:500;font-family:var(--mono)}
.levelcard .xpbar{height:11px;border-radius:99px;background:#16213f;overflow:hidden;margin-top:12px}
.levelcard .xpbar>i{display:block;height:100%;background:linear-gradient(90deg,var(--neon),var(--neon2));box-shadow:0 0 12px rgba(0,240,255,.5)}
.levelcard .meta{font-family:var(--mono);font-size:12px;color:var(--ink-soft);margin-top:8px;display:flex;justify-content:space-between}
.streakcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;text-align:center;display:flex;flex-direction:column;justify-content:center}
.streakcard .big{font-family:var(--display);font-weight:900;font-size:34px;color:var(--amber)}
.streakcard .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}

/* badges grid */
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.badge-card{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:14px;text-align:center;
  transition:transform .15s,border-color .15s}
.badge-card.earned{border-color:rgba(57,255,20,.5);box-shadow:0 0 18px rgba(57,255,20,.12)}
.badge-card.locked{opacity:.45;filter:grayscale(1)}
.badge-card .ic{font-size:30px;line-height:1}
.badge-card .nm{font-family:var(--display);font-weight:700;font-size:13px;margin-top:6px}
.badge-card .ds{font-size:11px;color:var(--ink-soft);margin-top:3px;font-family:var(--mono)}

/* ===========================================================
   GUIDA
=========================================================== */
.guide-layout{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:start}
.toc{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 14px}
.toc h4{font-family:var(--display);font-size:13px;margin:0 0 10px;letter-spacing:.04em}
.toc a{display:block;font-size:13px;color:var(--ink-soft);padding:7px 9px;border-radius:8px;line-height:1.3}
.toc a:hover{background:var(--surface2);color:var(--neon);text-decoration:none}
.guide-main{min-width:0}
.g-section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;margin-bottom:22px;scroll-margin-top:16px}
.g-section h2{font-family:var(--display);font-weight:700;font-size:clamp(20px,3.5vw,26px);margin:0 0 6px;color:#eaf6ff}
.g-section h3{font-family:var(--display);font-weight:600;font-size:17px;margin:22px 0 6px;color:var(--neon)}
.g-num{font-family:var(--mono);color:var(--neon);font-size:13px;letter-spacing:.16em}
.g-section p{margin:8px 0;color:#cfdcf5;font-size:15.5px}
.g-section ul{margin:8px 0;padding-left:20px;color:#cfdcf5}
.g-section li{margin:5px 0}
.g-section b{color:#fff}
.callout{border-radius:12px;padding:13px 16px;margin:16px 0;font-size:14.5px}
.callout.remember{background:rgba(57,255,20,.08);border:1px solid rgba(57,255,20,.3);border-left:5px solid var(--green-d)}
.callout.simple{background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.3);border-left:5px solid var(--amber)}
.callout .ctitle{font-family:var(--display);font-weight:700;font-size:14px;margin-bottom:6px}
.callout.remember .ctitle{color:#9dffb0}
.callout.simple .ctitle{color:#ffd97a}
.tt-wrap{overflow-x:auto;margin:14px 0}
table.tt{border-collapse:collapse;font-family:var(--mono);font-size:15px;min-width:240px}
table.tt caption{font-family:var(--mono);font-size:12px;color:var(--ink-soft);text-align:left;margin-bottom:6px;letter-spacing:.06em}
table.tt th,table.tt td{border:1px solid var(--line);padding:8px 16px;text-align:center}
table.tt th{background:var(--surface2);color:var(--neon)}
table.tt td.res{color:var(--amber);font-weight:700}
.g-train{display:inline-block;margin-top:14px;font-family:var(--display);font-weight:700;font-size:13px;
  background:linear-gradient(135deg,var(--neon),#27d3ff);color:#03121a;padding:9px 16px;border-radius:10px}
.g-train:hover{text-decoration:none;box-shadow:0 0 18px rgba(0,240,255,.5)}
.toc-toggle{display:none}

/* ===========================================================
   MOBILE  (super smartphone friendly)
=========================================================== */
@media (max-width:760px){
  .guide-layout{grid-template-columns:1fr}
  .toc{position:static;margin-bottom:8px}
  .toc-toggle{display:block;width:100%;text-align:left;font:inherit;font-family:var(--display);font-weight:700;
    font-size:14px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px 16px;cursor:pointer}
  .toc.collapsed .toc-list{display:none}
  .gamebar{grid-template-columns:1fr}
}
@media (max-width:600px){
  .wrap{padding:16px 14px 70px}
  .stats{grid-template-columns:1fr}
  .hero{padding:20px 18px}
  .hero .bits{display:none}
  .grid{grid-template-columns:1fr}
  /* tabella risultati: nascondi colonne meno essenziali su telefono */
  table.res th:nth-child(3),table.res td:nth-child(3),
  table.res th:nth-child(6),table.res td:nth-child(6){display:none}
  table.res th,table.res td{padding:11px 12px;font-size:13px}
  .card{padding:20px 16px}
  .bigbtn{font-size:26px;padding:20px 8px;min-width:0}
  .opt{font-size:15px;padding:13px 13px}
  .topbar{flex-wrap:wrap;gap:8px}
  .result-score{font-size:42px}
  .btn{padding:14px 22px} /* touch target comodo */
  .badges{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
}
@media (max-width:380px){
  .bigrow{gap:10px}
  .badges{grid-template-columns:1fr 1fr}
}

@media (max-width:560px){.stats{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}