/* Micul Inginer – stilurile lecției din atelier (se adaugă peste stilurile atelierului) */
body.lesson #tabs{display:none}
body.lesson .introbox{padding:16px 20px 20px}
.lhead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.lhead .back{color:var(--accent);font-weight:800;text-decoration:none}
.lhead .back:hover{text-decoration:underline}
.lmod{color:var(--muted);font-weight:800;font-size:14px}
.ltitle{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 12px!important;font-size:28px!important}
.ltitle span{font-size:34px}
.ltitle small{font-size:15px;color:var(--muted);font-weight:800;background:var(--soft);padding:4px 10px;border-radius:999px}

.lstepper{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}
.lstepper a{display:inline-flex;align-items:center;gap:8px;padding:7px 12px 7px 7px;border:1px solid var(--line);border-radius:999px;
  text-decoration:none;color:var(--ink);font-weight:800;font-size:14px;background:var(--panel)}
.lstepper a:hover{border-color:var(--accent)}
.lstepper .n{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--accent);font-size:13px}
.lstepper a.ok{border-color:var(--good)}
.lstepper a.ok .n{background:var(--good);color:#fff}
.lstepper small{font-size:12px}

.lgrid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:14px}
@media (max-width:1100px){.lgrid{grid-template-columns:1fr 1fr}}
@media (max-width:700px){.lgrid{grid-template-columns:1fr}}
.lcard{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.lgrid .lcard{background:var(--bg)}
.lcard h3{margin:0 0 8px;font-size:17px;font-weight:900}
.lcard p{margin:0 0 8px}
.lcard ul{margin:0;padding-left:20px}
.life{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.life div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 10px;font-weight:700;font-size:14px;display:flex;gap:8px;align-items:center}
.life span{font-size:24px}
.fact{margin-top:10px;background:var(--tip);border:1px solid var(--tip-line);border-radius:12px;padding:9px 12px;font-size:14px}

.lsafety{background:var(--bg);border:2px solid var(--warnline);border-radius:16px;padding:14px 16px;transition:box-shadow .3s}
.lsafety.flash{box-shadow:0 0 0 6px rgba(255,45,149,.35)}
.lsafety h3{margin:0 0 8px;font-size:17px;font-weight:900}
.srule{display:flex;gap:10px;padding:8px 10px;border-radius:12px;margin-bottom:6px;font-size:14px;background:var(--panel);border:1px solid var(--line)}
.srule.stop{background:var(--warnbg);border-color:var(--warnline)}
.srule.warn{background:var(--tip);border-color:var(--tip-line)}
.srule .se{font-size:22px;line-height:1.1}
.sok{display:flex;gap:8px;align-items:center;font-weight:800;margin-top:8px;padding:8px 10px;border-radius:12px;background:var(--soft);cursor:pointer}
.sok input{width:20px;height:20px}

/* provocări */
.challenges h4 small{font-weight:700;color:var(--muted);font-size:13px}
.chal{position:relative;border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin:8px 0;background:var(--bg);overflow:hidden}
.chal.passed{border-color:var(--good);background:color-mix(in srgb, var(--good) 8%, var(--bg))}
.ctop{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ctop b{font-size:16px}
.lvl{font-size:12px;font-weight:900;padding:3px 9px;border-radius:999px;border:1px solid var(--line);background:var(--panel)}
.lvl small{font-weight:700;color:var(--muted)}
.won{margin-left:auto;font-size:13px;font-weight:900;color:var(--good)}
.chal p{margin:6px 0}
.crow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.cres{margin-top:8px;padding:8px 10px;border-radius:10px;font-size:14px}
.cres.good{background:color-mix(in srgb, var(--good) 15%, transparent)}
.cres.bad{background:var(--tip);border:1px solid var(--tip-line)}
.chint{margin-top:8px;padding:8px 10px;border-radius:10px;font-size:14px;background:var(--soft)}
.confetti{position:absolute;inset:0;pointer-events:none}
.confetti i{position:absolute;left:var(--x);top:100%;font-style:normal;font-size:20px;animation:fly var(--d) ease-out forwards}
@keyframes fly{to{transform:translateY(-160px) rotate(200deg);opacity:0}}
@media (prefers-reduced-motion: reduce){.confetti{display:none}}

/* partea de jos: test pe Arduino, quiz, final */
.lbottom{max-width:1600px;margin:0 auto;padding:0 16px 16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:900px){.lbottom{grid-template-columns:1fr}}
.lbottom .lcard{padding:16px 18px}
.lbottom .won{margin-left:8px}
.muted{color:var(--muted);font-size:14px}
.hwarea{background:var(--bg);border:1px dashed var(--line);border-radius:14px;padding:14px;margin:8px 0}
.hwq{font-size:17px;margin-bottom:10px}
.hwq.good{color:var(--good)} .hwq.bad{color:var(--bad)}
.hwa{display:flex;gap:8px;flex-wrap:wrap}
.hwarea ul{margin:0 0 10px}
.qq{border:1px solid var(--line);border-radius:12px;padding:8px 12px 10px;margin:0 0 10px}
.qq legend{font-weight:900;padding:0 4px}
.qq label{display:flex;gap:8px;align-items:center;padding:3px 0;font-weight:600;cursor:pointer}
.qq.good{border-color:var(--good)} .qq.bad{border-color:var(--bad)}
.qwhy{font-size:14px;margin-top:4px;color:var(--muted)}
.ldone{grid-column:1 / -1;text-align:center;border:2px solid var(--good)}
.ldone.todo{text-align:left;border:2px dashed var(--line)}
.ldone .big{font-size:52px;line-height:1}
.ldone h3{font-size:22px}
.ldone .crow{justify-content:center;margin:8px 0}
.ldone.todo ul{list-style:none;padding:0}
.ldone a.btn{text-decoration:none}
a.btn{text-decoration:none}
.linv{grid-column:1 / -1}
.linv textarea{width:100%;font:inherit;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);margin:4px 0 8px;resize:vertical}
/* bara de jos a lecției */
body.hasbar{padding-bottom:76px}
.lbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:color-mix(in srgb, var(--panel) 94%, transparent);backdrop-filter:blur(8px);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08)}
.lbin{max-width:1600px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:12px}
.lbar .todo{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-right:auto;font-weight:800;font-size:14px}
.lbar .todo a{color:var(--ink);text-decoration:none;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:var(--bg)}
.lbar .todo a.ok{border-color:var(--good);color:var(--good)}
.lbar .stars{font-size:15px}
.lbar .nextl{font-size:16px;padding:10px 16px;white-space:nowrap}
.lbar .nextl.locked{opacity:.75}
@media (max-width:600px){ .lbar .stars{display:none} .lbar .nextl{font-size:14px;padding:9px 12px} }
body.lesson .toast{bottom:90px}

@media (max-width:600px){ .lbin{padding:8px 10px;gap:8px} .lbar .todo{gap:6px;flex-wrap:nowrap} .lbar .todo a{padding:4px 8px;font-size:13px} .td-l,.nl-t{display:none} }
.lgrid > *, .lbottom > *{min-width:0}
@media (max-width:700px){ .lgrid{grid-template-columns:minmax(0,1fr)} .lbottom{grid-template-columns:minmax(0,1fr)} }
@media (max-width:400px){ .life{grid-template-columns:1fr} .introbox{padding:14px} .ltitle{font-size:24px!important} }
/* butoanele programului: grilă egală pe ecrane mici (nu mai „sar” la rânduri diferite) */
@media (max-width:700px){
  .progtools{display:grid!important;grid-template-columns:1fr 1fr;gap:8px;width:100%}
  .progtools .btn{width:100%;justify-content:center;font-size:15px;padding:10px 8px}
  .progtools #saveBtn{grid-column:1 / -1}
  .stepnav{display:grid!important;grid-template-columns:1fr 1.6fr;gap:8px}
  .stepnav .btn{justify-content:center}
  .stepnav label{grid-column:1 / -1}
}