:root{
  --bg1:#071327;
  --bg2:#1a1c4a;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.08);
  --stroke: rgba(255,255,255,0.12);
  --text:#e9efff;
  --muted: rgba(233,239,255,0.68);
  --accent:#6dd0ff;
  --accent2:#7b7bff;
  --btn: rgba(255,255,255,0.08);
  --btn2: rgba(255,255,255,0.12);
  --shadow: 0 18px 60px rgba(0,0,0,0.35);
  --r: 18px;
  --r2: 14px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background: linear-gradient(140deg, #0a2147 0%, #0b1530 35%, #201a4f 100%);
}

.bg{
  position:fixed; inset:0;
  background:
    radial-gradient(900px 520px at 18% 6%, rgba(64,176,255,0.18), transparent 60%),
    radial-gradient(700px 500px at 78% 18%, rgba(156,83,255,0.22), transparent 60%),
    radial-gradient(800px 620px at 50% 90%, rgba(0,255,200,0.06), transparent 60%);
  filter: blur(0px);
  pointer-events:none;
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px;
  background: rgba(10,18,45,0.60);
  backdrop-filter: blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.08);
}

.brand{display:flex; align-items:center; gap:12px;}
.logo{
  width:44px; height:44px; border-radius:14px;
  display:grid; place-items:center;
  font-weight:800;
  background: linear-gradient(135deg, rgba(109,208,255,0.95), rgba(123,123,255,0.95));
  box-shadow: 0 10px 26px rgba(0,0,0,0.35);
  color:#0b1230;
}
.brandTitle{font-weight:800; letter-spacing:0.2px}
.brandSub{font-size:13px; color:var(--muted)}

.nav{display:flex; gap:10px; align-items:center}
.navBtn{
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color:var(--text);
  padding:9px 14px;
  border-radius:999px;
  cursor:pointer;
  transition: 0.15s ease;
  user-select:none;
}
.navBtn:hover{background: rgba(255,255,255,0.10)}
.navBtn.active{
  outline: 2px solid rgba(109,208,255,0.35);
  background: rgba(109,208,255,0.12);
  border-color: rgba(109,208,255,0.25);
}

/* ✅ Tiltott nav gomb: JS-hez és aria-hoz is */
.navBtn[aria-disabled="true"],
.navBtn.isDisabled{
  opacity:0.45;
  cursor:not-allowed;
  pointer-events:none;
  filter:saturate(0.75);
}

/* ✅ “busy/flash” anim (flashBtn() használja) */
.navBtn.isBusy,
.btn.isBusy,
.chipBtn.isBusy{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.28);
  outline: 2px solid rgba(109,208,255,0.22);
}

/* ✅ PRO gomb finom megkülönböztetése (a JS úgyis zöldre állítja ON-nál) */
#btnPro{
  border-color: rgba(123,123,255,0.25);
  background: rgba(123,123,255,0.10);
}
#btnPro:hover{
  background: rgba(123,123,255,0.14);
}

.wrap{max-width:1120px; margin:18px auto 46px; padding:0 14px;}

.card{
  background: var(--card);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: 22px;
  padding:18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero{display:grid; grid-template-columns: 1.25fr 0.75fr; gap:18px;}
@media (max-width: 920px){
  .hero{grid-template-columns:1fr}
  .nav{flex-wrap:wrap; justify-content:flex-end}
  .navBtn{padding:9px 12px}
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  font-size:13px;
  margin-bottom:10px;
}

h1{
  margin:0 0 10px;
  font-size:52px;
  line-height:1.02;
  letter-spacing:-0.8px;
}
@media (max-width: 920px){
  h1{font-size:42px}
}
.grad{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{color:var(--muted); font-size:16px; line-height:1.55; margin:0 0 14px}
.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}
.btn{
  border:1px solid rgba(255,255,255,0.14);
  background: var(--btn);
  color:var(--text);
  padding:10px 14px;
  border-radius: 14px;
  cursor:pointer;
  transition: 0.15s ease;
}
.btn:hover{background: var(--btn2)}
.btn:active{transform: translateY(1px);}
.btn.primary{
  border-color: rgba(109,208,255,0.25);
  background: rgba(109,208,255,0.14);
  outline: 2px solid rgba(109,208,255,0.20);
}
.btn.ghost{background: rgba(255,255,255,0.05)}
.note{margin-top:12px; color:var(--muted); font-weight:600}

.miniCard{
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding:14px;
}
.miniTitle{font-weight:800; font-size:18px; margin-bottom:8px}
.check{margin:0; padding-left:18px; color:var(--muted); line-height:1.6}
.chips{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.chip{
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  padding:6px 10px;
  border-radius:999px;
  color:var(--muted);
  font-size:12px;
}

.sectionHead{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
  margin-bottom:12px;
}
.sectionTitle{font-weight:900; font-size:22px}
.muted{color:var(--muted)}
.tiny{font-size:12px}

.headBtns{display:flex; gap:8px; flex-wrap:wrap}

.grid2{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
@media (max-width: 920px){ .grid2{grid-template-columns:1fr} }

.grid3{display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px;}
@media (max-width: 920px){ .grid3{grid-template-columns:1fr} }

.panel{
  background: rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding:14px;
}
.panelTitle{font-weight:900; margin-bottom:10px}

.field{
  display:flex; flex-direction:column;
  gap:6px;
  margin-bottom:10px;
  font-weight:700;
  color: rgba(233,239,255,0.86);
}
.field input, .field select{
  width:100%;
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(10,16,40,0.55);
  color: var(--text);
  outline:none;
}
.field input:focus, .field select:focus{
  border-color: rgba(109,208,255,0.35);
  box-shadow: 0 0 0 2px rgba(109,208,255,0.16);
}

.details{
  margin-top:10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  padding:10px 12px;
}
.details summary{cursor:pointer; font-weight:900; color:rgba(233,239,255,0.88)}
.calcBtns{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}

.result{
  margin-top:14px;
  background: rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: 18px;
  padding:14px;
}
.out{
  background: rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding:12px;
  margin-top:10px;
}
.hr{height:1px; background: rgba(255,255,255,0.10); margin:10px 0}

/* details nyitásnál kicsit jobban látszódjon */
details[open]{
  border-color: rgba(109,208,255,0.22);
  box-shadow: 0 0 0 2px rgba(109,208,255,0.10);
}

.hmModes{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin:10px 0 12px;}
.chipBtn{
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color:var(--text);
  padding:8px 12px;
  border-radius:999px;
  cursor:pointer;
  transition: 0.15s ease;
  font-weight:900;
}
.chipBtn:hover{background: rgba(255,255,255,0.10)}
.chipBtn.active{
  outline: 2px solid rgba(109,208,255,0.35);
  background: rgba(109,208,255,0.12);
  border-color: rgba(109,208,255,0.25);
}

.hmGrid{margin-top:10px}
.hmBox{position:relative}
.hmHouse{
  position:relative;
  padding:12px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(10,16,40,0.35);
  min-height: 250px;
}
.hmBlock{
  display:grid; place-items:center;
  border-radius: 14px;
  border:1px solid rgba(0,0,0,0.18);
  font-weight:900;
  color: rgba(255,255,255,0.92);
  text-shadow: 0 1px 10px rgba(0,0,0,0.35);
}

.hmRoof{height:62px}
.hmMid{display:grid; grid-template-columns:1fr 1fr 1fr; gap:10px; margin-top:10px}
.hmWall{height:120px}
.hmWin{
  height:120px;
  border-radius: 18px;
  box-shadow: inset 0 0 0 4px rgba(255,255,255,0.08);
}
.hmFloor{height:62px; margin-top:10px}
.hmVent{
  position:absolute; left:18px; bottom:18px;
  width:120px; height:44px;
  border-radius: 999px;
}
.hmWallC{position:absolute; inset:auto; width:0; height:0; display:none}

.hmLegend{
  position:absolute; right:16px; top:16px;
  background: rgba(0,0,0,0.25);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  padding:10px 10px;
  display:grid;
  grid-template-columns: 14px auto;
  gap:8px 10px;
  font-size:12px;
  color: var(--muted);
}
.dot{width:10px; height:10px; border-radius:50%; margin-top:3px}
.dot.red{background:#ff3b30}
.dot.yel{background:#ffcc00}
.dot.grn{background:#34c759}

.hmList{display:flex; flex-direction:column; gap:12px}
.hmRow{
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(10,16,40,0.30);
  border-radius: 16px;
  padding:12px;
}
.hmTop{
  display:flex; justify-content:space-between; align-items:center;
  font-weight:900;
}
.hmBar{
  height:10px;
  border-radius:999px;
  background: rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.10);
  overflow:hidden;
  margin:10px 0 8px;
}
.hmFill{
  height:100%;
  width:0%;
  background: linear-gradient(90deg, #00c2ff, #7b7bff);
}
.hmMeta{color:var(--muted); font-size:12px}

.search{
  width:100%;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(10,16,40,0.55);
  color: var(--text);
  outline:none;
}
.search:focus{
  border-color: rgba(109,208,255,0.35);
  box-shadow: 0 0 0 2px rgba(109,208,255,0.16);
}

.chipsRow{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-top:10px}
.docsGrid{margin-top:12px}

.docList{
  display:flex; flex-direction:column; gap:10px;
}
.docItem{
  cursor:pointer;
  padding:12px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(10,16,40,0.30);
  transition: 0.15s ease;
}
.docItem:hover{background: rgba(255,255,255,0.06)}
.docItem.active{
  outline:2px solid rgba(109,208,255,0.30);
  background: rgba(109,208,255,0.10);
}
.docTitle{font-weight:900}
.docMeta{margin:6px 0 0; color:var(--muted); font-size:12px}

.docView{
  padding:14px;
  border-radius: 18px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(10,16,40,0.30);
  min-height: 320px;
}
.docBody{color: rgba(233,239,255,0.82); line-height:1.65; margin-top:10px}
.docTags{display:flex; gap:8px; flex-wrap:wrap; margin-top:12px}
.tag{
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  padding:6px 10px;
  border-radius:999px;
  color:var(--muted);
  font-size:12px;
}

.footerNote{margin-top:18px; color:rgba(233,239,255,0.60); text-align:center}

/* ===== EMBED MÓD (NEM PRINT!) ===== */
body.embed header,
body.embed nav,
body.embed .nav,
body.embed .topbar,
body.embed .navbar {
  display: none !important;
}

/* csak a kalkulátor látszódjon */
body.embed #viewHome,
body.embed #view3d,
body.embed #viewDocs,
body.embed #viewPlan,
body.embed #viewPro {
  display: none !important;
}

body.embed #viewCalc {
  display: block !important;
}

/* hogy ne csússzon fel a tetejére */
body.embed {
  padding-top: 0 !important;
}

/* --------- PRINT / PDF --------- */
@media print{
  .bg{display:none !important;}
  .topbar{position:static; background:#0b1230 !important; border-bottom:1px solid #2b335a !important;}
  .nav{display:none !important;}
  .wrap{max-width:none; margin:0; padding:0;}
  .card{box-shadow:none !important; backdrop-filter:none !important;}
  .headBtns{display:none !important;}
  .btn{display:none !important;}
  .chipBtn{display:none !important;}
  .hmModes .muted{display:none !important;}
  .footerNote{display:none !important;}
}