:root{
  --primary:#0aa2ff;
  --primary-dark:#0077cc;
  --bg:#f5fbff;
  --text:#0b1b2b;
  --border:#d7e7f5;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica,Arial,sans-serif;line-height:1.4}
.container{max-width:960px;margin:0 auto;padding:20px}
.header{display:flex;align-items:center;justify-content:center;padding:12px 0 2px}
.header img{max-width:200px;height:auto;display:block}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.06);padding:18px 16px;margin:14px 0}
h1,h2{margin:8px 0 12px}
h1{font-size:26px;text-align:center}
h2{font-size:20px;color:#123}
.row{display:flex;gap:12px;flex-wrap:wrap}
.col{flex:1 1 240px;min-width:220px}
label{display:block;font-weight:600;margin:8px 0 6px}
input[type=text],input[type=tel],input[type=email],input[type=date],select,textarea{
  width:100%;padding:12px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;
  font-size:16px;outline:none;transition:box-shadow .15s,border-color .15s
}
input[type=text].cap,input[type=tel].cap,input[type=email].cap,textarea.cap{text-transform:capitalize}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(10,162,255,.12)}
small{display:block;color:#666;margin-top:6px}
.controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.btn{
  appearance:none;border:0;border-radius:12px;padding:14px 18px;font-weight:700;cursor:pointer;
  background:#e8f4ff;color:#074; /* text color adjusted later for primary */
}
.btn{color:#0a2342}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-danger{background:#ff4d4d;color:#fff}
.child{border:1px dashed var(--border);border-radius:12px;padding:12px;margin:12px 0;background:#fcfeff}
.child .row .col{min-width:200px}
.child-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.badge{display:inline-block;background:#eef6ff;color:#075; padding:6px 10px;border-radius:999px;border:1px solid var(--border);font-weight:700}
.footer{padding:16px 0 40px;text-align:center;color:#678}
hr{border:none;height:1px;background:var(--border);margin:10px 0 14px}
.success, .error{max-width:760px;margin:18px auto;padding:16px;border-radius:12px}
.success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.error{background:#fef2f2;border:1px solid #fecaca;color:#7f1d1d}
table{border-collapse:collapse;width:100%}
th,td{border:1px solid var(--border);padding:8px;text-align:left}
@media (max-width:520px){
  .header img{max-width:160px}
}

.cart-table{width:100%;border-collapse:collapse;margin-top:6px}
.cart-table th,.cart-table td{border:1px solid var(--border);padding:10px}
.cart-table th{background:#f7fbff;text-align:left}
.cart-total{font-size:20px;font-weight:800;text-align:right}
.cart{background:#fffbe7;border-color:#ffe8a3}

/* Mobile-first cart summary list */
.cart-list{display:grid;gap:8px;margin-top:6px}
.cart-row{display:grid;grid-template-columns:1fr auto;row-gap:6px;align-items:center;padding:10px;border:1px solid var(--border);border-radius:10px;background:#fff}
.cart-row .cart-item{font-weight:700}
.cart-row .cart-qty{justify-self:end}
.cart-row .cart-price{grid-column:1/2;color:#456}
.cart-row .cart-subtotal{justify-self:end;font-weight:700}
.cart-total-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding:12px 4px;margin-top:8px;font-size:18px}
.btn-pay{width:100%;margin-top:10px;font-size:18px;padding:16px}
@media(min-width:640px){
  .cart-row{grid-template-columns:2fr 1fr 1fr 1fr}
  .cart-price{grid-column:auto}
}

/* Boosted mobile cart visibility */
#cart-summary h2{font-size:22px;margin:6px 0 10px}
.cart-row{padding:14px}
.cart-row .cart-item{font-size:16px}
.cart-row .cart-qty{font-size:16px}
.cart-row .cart-price{font-size:15px}
.cart-row .cart-subtotal{font-size:17px}
.cart-total-row{font-size:20px;padding:14px 6px}
.btn-pay{font-size:19px;padding:18px}

/* Stronger mobile cart visuals */
#cart-summary{border:2px solid #ffe29a}
#cart-summary h2{font-size:24px}
.cart-row{padding:16px}
.cart-row .cart-item{font-size:17px}
.cart-row .cart-qty,.cart-row .cart-price,.cart-row .cart-subtotal{font-size:16px}
.cart-total-row{font-size:21px;padding:16px 6px}
.btn-pay{width:100%;font-size:20px;padding:18px;border-radius:12px}