:root{
  --bg:#f7fbff;
  --card:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --blue:#3b82f6;
  --green:#22c55e;
  --yellow:#fbbf24;
  --shadow: 0 14px 35px rgba(15, 23, 42, .10);
  --radius: 18px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(251,191,36,.18), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(34,197,94,.12), transparent 45%),
    radial-gradient(circle at 35% 95%, rgba(59,130,246,.10), transparent 45%),
    var(--bg);
  min-height:100vh;
}
.topbar{
  display:flex; align-items:center; gap:12px;
  padding:18px 16px 10px; max-width:1200px; margin:0 auto;
}
.back{
  text-decoration:none;
  background: rgba(15,23,42,.06);
  padding:10px 12px;
  border-radius:14px;
  color: var(--ink);
  font-weight:800;
}
.title h1{margin:0; font-size: clamp(22px, 3vw, 34px);}
.title p{margin:4px 0 0; color:var(--muted); font-size:14px;}

.wrap{max-width:1200px; margin:0 auto; padding:0 16px 28px;}
.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:16px;
  border: 1px solid rgba(15,23,42,.06);
}
.muted{color:var(--muted)}
.grid{
  display:grid; grid-template-columns: 1fr; gap:14px; margin-top:14px;
}
@media(min-width:980px){ .grid{grid-template-columns: 1.1fr .9fr} }

.simHeader{
  display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;
}
.chips{display:flex; gap:8px; flex-wrap:wrap}
.chip{
  padding:8px 10px;
  border-radius:999px;
  background: rgba(251,191,36,.18);
  color:#92400e;
  font-weight:900;
  font-size:12px;
}

.simArea{margin-top:10px;}
.cookerScene{
  display:grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media(min-width:860px){
  .cookerScene{grid-template-columns: 1.2fr .8fr}
}

.cooker{
  position:relative;
  height: 300px;
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.08);
  background: linear-gradient(180deg, rgba(251,191,36,.12), rgba(34,197,94,.06));
  overflow:hidden;
}
.lid{
  position:absolute;
  left: 12%;
  right: 12%;
  top: 26px;
  height: 46px;
  border-radius: 18px;
  background: rgba(15,23,42,.10);
  border: 1px solid rgba(15,23,42,.10);
}
.body{
  position:absolute;
  left: 10%;
  right: 10%;
  top: 70px;
  bottom: 28px;
  border-radius: 22px;
  background: rgba(15,23,42,.06);
  border: 1px solid rgba(15,23,42,.10);
}
.steam{
  position:absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  width: 110px;
  height: 110px;
  pointer-events:none;
  opacity: .2;
}
.steam::before, .steam::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 30% 70%, rgba(255,255,255,.9), transparent 40%),
    radial-gradient(circle at 60% 40%, rgba(255,255,255,.8), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,.85), transparent 40%);
  filter: blur(1px);
  animation: floaty 1.4s ease-in-out infinite;
}
.steam::after{
  animation-delay: .35s;
  opacity: .75;
}
@keyframes floaty{
  0%{ transform: translateY(8px) scale(.95); opacity:.25;}
  50%{ transform: translateY(-6px) scale(1.02); opacity:.55;}
  100%{ transform: translateY(8px) scale(.95); opacity:.25;}
}

.gauge{
  position:absolute;
  right: 18px;
  top: 92px;
  width: 170px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(15,23,42,.10);
  border-radius: 18px;
  padding: 12px;
}
.gaugeTop{
  font-weight:900;
  font-size:12px;
  color: var(--muted);
  text-transform:uppercase;
  letter-spacing:.08em;
}
.gaugeVal{margin-top:6px; font-size:20px; font-weight: 900;}
.needleWrap{
  position:relative;
  margin-top: 8px;
  height: 70px;
  border-radius: 16px;
  background: rgba(15,23,42,.06);
  border: 1px solid rgba(15,23,42,.08);
  overflow:hidden;
}
.needle{
  position:absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 4px;
  background: rgba(34,197,94,.95);
  transform-origin: 0% 50%;
  transform: translateY(-50%) rotate(-35deg);
  border-radius: 999px;
}
.pin{
  position:absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  background: rgba(15,23,42,.65);
  border-radius: 999px;
  transform: translate(-50%,-50%);
}
.gaugeHint{margin-top:6px; font-size:12px}

.readings{
  display:grid;
  gap: 10px;
}
.meter{
  border-radius: 18px;
  padding: 12px;
  border: 1px solid rgba(15,23,42,.08);
  background: rgba(255,255,255,.85);
}
.meterTop{
  font-weight:900;
  font-size: 12px;
  color: var(--muted);
  text-transform:uppercase;
  letter-spacing:.08em;
}
.meterVal{margin-top:6px; font-size:22px; font-weight: 900;}
.meterHint{margin-top:2px; font-size:12px}

.controls{
  margin-top: 12px;
  border-top: 1px dashed rgba(15,23,42,.14);
  padding-top: 12px;
}
.label{font-weight:900}
input[type="range"]{width:100%; accent-color: var(--yellow);}
.minmax{
  display:flex; justify-content:space-between;
  font-size:12px; color:var(--muted);
}
.btnRow{
  display:flex; gap:10px; flex-wrap:wrap; margin-top: 10px;
}
.btn{
  border:0; cursor:pointer; font-weight: 900;
  border-radius: 16px; padding: 10px 14px;
  background: rgba(251,191,36,.22);
  border: 1px solid rgba(251,191,36,.35);
}
.btn.ghost{
  background: rgba(15,23,42,.06);
  border: 1px solid rgba(15,23,42,.10);
}
.btn:active{transform: scale(.99)}
.note{margin:10px 0 0; color:var(--muted); font-size:13px;}

.graph canvas{
  width:100%;
  height:auto;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,.08);
  background: rgba(255,255,255,.9);
}
.legend{margin-top:8px; font-size:12px;}