:root{
  --bgA: #fff7d6;
  --bgB: #dff6ff;
  --ink: #1a1a1a;
  --muted: rgba(26,26,26,.75);
  --card: rgba(255,255,255,.92);
  --strokeStrong: rgba(26,26,26,.28);
  --shadow: 0 16px 0 rgba(26,26,26,.10), 0 22px 40px rgba(26,26,26,.12);
  --shadowSmall: 0 10px 0 rgba(26,26,26,.10), 0 16px 24px rgba(26,26,26,.12);
  --accent: #ff7a59;
  --radius: 22px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color: var(--ink);
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  line-height: 1.25;
  background:
    radial-gradient(1200px 800px at 10% 15%, var(--bgB), transparent 60%),
    radial-gradient(1000px 700px at 90% 20%, #ffe1f0, transparent 55%),
    radial-gradient(900px 650px at 50% 95%, #e7ffda, transparent 55%),
    linear-gradient(180deg, var(--bgA), #ffffff);
}

.wrap{
  max-width: 1020px;
  margin: 0 auto;
  padding: 26px 18px 38px;
}

.top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.brand{
  display:flex;
  align-items:flex-start;
  gap: 12px;
}

.mascot{
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: #fff;
  border: 3px solid var(--strokeStrong);
  box-shadow: var(--shadowSmall);
  display:grid;
  place-items:center;
  transform: rotate(-2deg);
}

.bubble{
  font-family: "Baloo 2", system-ui, sans-serif;
  font-weight: 800;
  font-size: 24px;
  background: linear-gradient(135deg, var(--accent), #ffd166);
  border: 2px solid var(--strokeStrong);
  border-radius: 14px;
  padding: 6px 10px;
}

.brandText h1{
  margin: 0 0 4px;
  font-family: "Baloo 2", system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
}
.brandText p{
  margin:0;
  color: var(--muted);
}

.actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}

.panel{
  background: var(--card);
  border: 3px solid var(--strokeStrong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.netRow{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.netPill{
  border: 2px dashed var(--strokeStrong);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255,255,255,.8);
  color: var(--muted);
  font-weight: 900;
}

.tinyHint{
  color: var(--muted);
  font-weight: 700;
}

.grid{
  display:grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 12px;
}

.field label{
  display:block;
  margin-bottom: 7px;
  font-weight: 900;
  font-family: "Baloo 2", system-ui, sans-serif;
}

.control{
  width:100%;
  padding: 12px 12px;
  border-radius: 16px;
  border: 3px solid var(--strokeStrong);
  background: #fff;
  color: var(--ink);
  outline: none;
  box-shadow: 0 10px 0 rgba(26,26,26,.08);
}

.controlLg{
  font-size: 1.12rem;
  padding: 13px 12px;
}

.control:focus{
  outline: 4px solid rgba(255,122,89,.25);
}

.hint{
  margin-top: 6px;
  color: var(--muted);
  font-size: .92rem;
  font-weight: 700;
}

.meta{
  margin-top: 6px;
  color: var(--muted);
  font-size: .92rem;
  min-height: 1.1em;
  font-weight: 700;
}

.result{
  grid-column: 1 / -1;
}

.output{
  display:block;
  width: 100%;
  padding: 14px 12px;
  border-radius: 18px;
  border: 3px dashed var(--strokeStrong);
  background: linear-gradient(135deg, rgba(255,122,89,.10), rgba(90,103,255,.08));
  font-size: 1.25rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  box-shadow: 0 12px 0 rgba(26,26,26,.08);
}

.divider{
  height: 0;
  border: none;
  border-top: 3px solid rgba(26,26,26,.14);
  margin: 14px 0;
  border-radius: 999px;
}

.noteBox{
  border: 3px solid rgba(26,26,26,.16);
  border-radius: 18px;
  padding: 10px 12px;
  background: rgba(255,255,255,.85);
}

.noteBox summary{
  cursor: pointer;
  font-family: "Baloo 2", system-ui, sans-serif;
  font-weight: 900;
}

.noteBox ul{
  margin: 10px 0 0 18px;
  color: var(--muted);
  font-weight: 750;
}

.btn{
  padding: 10px 14px;
  border-radius: 16px;
  border: 3px solid var(--strokeStrong);
  background: linear-gradient(135deg, var(--accent), #ffd166);
  color: #1a1a1a;
  cursor: pointer;
  font-family: "Baloo 2", system-ui, sans-serif;
  font-weight: 900;
  box-shadow: 0 10px 0 rgba(26,26,26,.10);
  transition: transform .06s ease;
}
.btn:active{ transform: translateY(1px); }
.btnGhost{ background: #fff; }

.foot{
  margin-top: 14px;
  color: var(--muted);
  font-weight: 750;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:center;
}

@media (max-width: 920px){
  .grid{ grid-template-columns: 1fr; }
  .top{ flex-direction: column; align-items: stretch; }
  .actions{ justify-content:flex-start; }
}