/* =========================
   Global / Base
========================= */
:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --muted: #6b7280;
  --border: #d7dbe7;
  --text: #111827;
  --shadow: 0 10px 25px rgba(0,0,0,.08);
  --radius: 14px;
}

*{ box-sizing: border-box; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700; /* user asked: make sentence bold */
}

.page-wrapper{
  max-width: 980px;
  margin: 24px auto;
  padding: 0 14px 28px;
  display: grid;
  gap: 18px;
}

/* =========================
   Cards
========================= */
.card{
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card-header{
  margin-bottom: 12px;
}

h2, h3{
  margin: 0 0 6px;
  text-align: center;
}

.subtext{
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-weight: 700;
}

/* =========================
   Form layout
========================= */
.field{
  margin-top: 12px;
}

label{
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  font-weight: 800;
}

input, select{
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  font-size: 14px;
  background: #fff;
  font-weight: 700;
}

input:focus, select:focus{
  border-color: #111827;
}

.grid-2{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 760px){
  .grid-2{ grid-template-columns: 1fr 1fr; }
}

.inline-split{
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-x{
  font-weight: 900;
  color: #111827;
}

/* =========================
  Buttons
========================= */
.btn{
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  cursor: pointer;
  font-size: 15px;
  font-weight: 900;
}

.btn:hover{ opacity: .96; }

.btn:disabled{
  opacity: .55;
  cursor: not-allowed;
}

.btn-primary{
  background: #000; 
}

#btn-calc {
  margin-top: 25px;
}

.form-buttons{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 14px;
}

@media (min-width: 760px){
  .form-buttons{ grid-template-columns: 1fr 1fr; }
}

/* =========================
  Soft card (lamination)
========================= */
.card-soft{
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.card-soft-title{
  font-weight: 900;
  margin-bottom: 10px;
}

/* =========================
  Result Box
========================= */
.result-box{
  display: none;
  margin-top: 16px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: #fafbff;
}

.result-box p{
  margin: 10px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  font-weight: 900;
}

.result-box span{
  font-weight: 900;
}

.result-total{
  border-top: 1px solid rgba(17,24,39,.12);
  padding-top: 10px;
}

/* =========================
  Section visibility
========================= */
.form-container{ display: none; }

/* Currency wrapper so ₹ sticks to value */
.money{
  display: inline-flex;
  justify-content: flex-end;
  align-items: baseline;
  min-width: 120px;
  text-align: right;
  font-weight: 900;
}
.money::before{
  content: "₹";
  margin-right: 0; /* no space */
}