:root{
  --bg:#FFFFFF;
  --input-bg:#F7F6F2;
  --results-bg:#EEF4F1;

  --forest:#1F4D3A;
  --forest-mid:rgba(31,77,58,.55);
  --forest-lt:rgba(31,77,58,.18);
  --forest-xs:rgba(31,77,58,.07);

  --success:#5FAF8A;
  --emphasis:#D4A017;

  --divider:#E2E8F0;
  --border:#E5E1D8;

  --h1:#1B1F24;
  --text:#1F2933;
  --muted:#6B7280;

  --g1:#A3BCB2;
  --g2:#1F4D3A;
  --g3:#C3C8D1;

  --radius:18px;
  --shadow:none;
}

*{box-sizing:border-box}
body{
  margin:0;
  overflow-x:hidden;
  font-family:'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color:var(--text);
  background: var(--bg);
}
.wrap{max-width:1120px; margin:0 auto; padding:22px 16px 48px;}
header{display:none;}
.logo{height:44px}
h1{margin:0; font-family:'Playfair Display',serif; font-size:40px; font-weight:600; letter-spacing:-0.02em; color:var(--h1);}
.subtitle{margin:8px 0 0; color:var(--muted); line-height:1.5; font-size:14px;}

.card{
  background:#FFFFFF;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}

.sectionTitle{
  display:flex; align-items:end; justify-content:space-between; gap:12px; flex-wrap:wrap;
  margin:0 0 10px;
}
.sectionTitle h2{margin:0; font-size:18px; color:var(--forest); font-weight:600;}
.sectionTitle .actions{display:flex; gap:10px; flex-wrap:wrap;}

/* ── Buttons ── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border-radius:14px; padding:10px 16px;
  font-weight:600; cursor:pointer; user-select:none;
  border:1px solid var(--border);
  background:#FFFFFF;
  color: var(--h1);
}
.btn.primary{background:var(--forest); border-color:var(--forest); color:#fff;}
.btn.primary:hover{background:#2a6b50; border-color:#2a6b50;}
.btn.danger{background:rgba(220,38,38,.08); border-color:rgba(220,38,38,.35); color:#7f1d1d;}
.btn.secondary{background:var(--forest-lt); border-color:var(--forest-mid); color:var(--forest);}
.btn.secondary:hover{background:var(--forest); color:#fff;}

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

/* ── Input fields ── */
.field{border:1px solid var(--border); border-radius:16px; padding:14px; background:var(--input-bg);}
.labelRow{display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;}
.label{font-size:16px; color:var(--text); font-weight:600;}
.pillInput{
  display:flex; align-items:center; gap:8px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--input-bg);
  color:var(--text);
  font-weight:600;
}
.pillInput input{
  width:100%;
  border:0;
  outline:none;
  background:transparent;
  font-size:16px;
  color:var(--text);
  font-family:'Inter',sans-serif;
}
.pillInput .suffix,.pillInput .prefix{font-size:12px; color:var(--forest-mid);}

.rangeRow{margin-top:10px;}
.rangeRow input[type="range"]{
  width:100%;
  -webkit-appearance:none;
  height:8px;
  border-radius:6px;
  background:linear-gradient(to right, var(--forest) 50%, #D1D5DB 50%);
  outline:none;
}
.rangeRow input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;
  width:18px; height:18px;
  background:#fff;
  border:3px solid var(--forest);
  border-radius:50%;
  cursor:pointer;
  box-shadow:0 2px 6px rgba(0,0,0,.18);
}
.hint{color:var(--muted); font-size:14px; line-height:1.5;}

/* ── Period pills ── */
.periodPills{display:flex; gap:10px; flex-wrap:wrap; margin-top:8px;}
.periodPill{
  border:1px solid var(--border);
  background:#f9faf8;
  color:var(--text);
  padding:10px 12px;
  border-radius:14px;
  font-weight:700;
  cursor:pointer;
  min-width:64px;
  text-align:center;
}
.periodPill.active{
  border-color:var(--forest);
  background:var(--forest-lt);
  color:var(--forest);
}
.periodCustom{
  display:grid;
  grid-template-columns: repeat(5, minmax(64px, 1fr));
  gap:10px;
  margin-top:10px;
}
@media (max-width: 920px){
  .periodCustom{grid-template-columns: repeat(2, minmax(64px, 1fr));}
}
.periodChip{
  border:1px solid var(--border);
  background:#f9faf8;
  border-radius:14px;
  padding:10px 12px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.periodChip input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  font-weight:700;
  color:var(--text);
  text-align:center;
  font-size:16px;
}

/* ── Scenario cards ── */
.scenarios{display:grid; gap:14px; margin-top:14px;}
.scenarioCard{
  border:1px solid var(--border);
  border-radius:18px;
  padding:16px;
  background:#fff;
  box-shadow:0 4px 16px var(--forest-xs);
}
.scenarioHead{display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:10px;}
.scenarioHead .name{font-weight:700; color:var(--forest);}
.scenarioGrid{display:grid; grid-template-columns: repeat(3, 1fr); gap:12px;}
@media (max-width: 920px){ .scenarioGrid{grid-template-columns:1fr;} }

.divider{height:1px; background:var(--divider); margin:18px 0;}

/* ── Output / Results ── */
.outputWrap{
  display:grid; gap:18px;
  background:var(--results-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  max-width:100%;
  overflow:hidden;
}
.outputCard{
  border:1px solid var(--forest-mid);
  border-radius:18px;
  padding:16px;
  background:#fff;
  box-shadow:0 4px 16px var(--forest-xs);
  overflow:hidden;
  max-width:100%;
}
.outputCard h3{
  margin:0 0 12px;
  color:var(--forest);
  font-size:18px;
  text-align:center;
  font-family:'Playfair Display',serif;
}

/* ── Summary table ── */
.summaryTable{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid var(--forest-mid);
  border-radius:12px;
  font-size:13px;
}
.summaryTable td{
  padding:10px 12px;
  border-bottom:1px solid rgba(31,77,58,.14);
  border-right:1px solid rgba(31,77,58,.14);
}
.summaryTable tr:last-child td{border-bottom:0;}
.summaryTable td:last-child{border-right:0;}
.summaryTable td.k{color:var(--forest); font-weight:700; width:60%;}
.summaryTable td.v{font-weight:700; text-align:right; color:var(--h1);}

/* ── Big year-wise table ── */
.bigTable{
  width:100%;
  border-collapse:collapse;
  font-size:13px;
  margin-top:14px;
  border:1px solid var(--forest-mid);
  border-radius:12px;
  overflow:hidden;
}
.bigTable th,.bigTable td{
  border:1px solid rgba(31,77,58,.14);
  padding:10px;
}
.bigTable thead th{
  background:var(--forest);
  color:#fff;
  font-weight:700;
  text-align:center;
}
.bigTable tbody tr:nth-child(even){background:#f7faf9;}
.bigTable tbody td{text-align:right;}
.bigTable tbody td:first-child{text-align:center; font-weight:700; color:var(--forest);}

.note{font-size:12px; color:var(--muted); line-height:1.5; margin-top:10px;}
.reportDate{font-size:12px; color:var(--muted); margin-top:6px;}

/* ── Chart box ── */
.chartBox{
  border:2px solid var(--forest-mid);
  border-radius:16px;
  padding:14px;
  margin-top:14px;
  background:#fafcfb;
}
.chartTitle{
  text-align:center;
  font-size:20px;
  font-weight:700;
  color:var(--forest);
  margin:6px 0 12px;
  font-family:'Playfair Display',serif;
}
.canvasWrap{width:100%; overflow:auto;}
.chartCanvas{width:980px; height:420px; display:block;}
.legend{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
}
.legItem{display:flex; align-items:center; gap:8px;}
.sw{width:28px; height:4px; border-radius:999px; background:#999;}
.footerBtns{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; margin-top:12px;}

.status{margin-top:12px; font-size:14px; color:var(--muted);}
.status.ok{display:block; border:1px solid rgba(31,77,58,.35); background:rgba(31,77,58,.07); color:var(--forest); border-radius:8px; padding:10px 14px;}
.status.err{display:block; border:1px solid rgba(239,68,68,.30); background:rgba(239,68,68,.08); color:#7f1d1d; border-radius:8px; padding:10px 14px;}

/* ── Scrollable table wrapper ── */
.tableScroll{width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch; margin-top:14px;}
.tableScroll .bigTable{margin-top:0;}

/* ── Mobile responsive ── */
@media (max-width: 768px){
  .wrap{padding:12px 10px 36px;}
  .card{padding:12px;}
  .outputCard{padding:12px;}
  .outputWrap{padding:12px; gap:12px;}

  .sectionTitle{flex-direction:column; align-items:flex-start;}
  .sectionTitle .actions{width:100%; justify-content:flex-start;}
  .sectionTitle .actions .btn{flex:1; font-size:14px; padding:10px 10px;}

  .footerBtns{justify-content:stretch;}
  .footerBtns .btn{flex:1; font-size:14px;}

  .bigTable th,.bigTable td{font-size:11px; padding:6px 5px;}
  .summaryTable td{font-size:12px; padding:8px 10px;}

  .chartTitle{font-size:16px;}
  .canvasWrap{overflow-x:auto; -webkit-overflow-scrolling:touch;}

  .outputCard h3{font-size:15px;}
  .note,.reportDate{font-size:11px;}
}

@media (max-width: 480px){
  .sectionTitle .actions .btn{font-size:13px; padding:8px 8px;}
  .bigTable th,.bigTable td{font-size:10px; padding:5px 4px;}
}