/* Modernized styles for the payment form/receipt.
   Drop-in replacement.
*/

:root{
  --bg:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --error:#b91c1c;
  --warn:#92400e;
  --brand:#99c000;  /* original green accent */
  --headerbg:#827e7e; /* requested header/footer background */
  --headertext:#ffffff;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
}

a{ color:var(--brand); text-decoration:underline; }
a:hover{ text-decoration:none; }

.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
}

/* ===== Header / Footer (full width background) ===== */
.site-header{
  width:100%;
  background: var(--headerbg);
  color: var(--headertext);
  border-bottom: 1px solid rgba(255,255,255,.18);
}

/* If you use <footer class="site-footer"> */
.site-footer{
  width:100%;
  background: var(--headerbg);
  color: var(--headertext);
  border-top: 1px solid rgba(255,255,255,.18);
  margin-top: 3rem;
}

/* If you use plain <footer> without the class, still style it */
footer{
  background: var(--headerbg);
  color: var(--headertext);
}

/* Header/footer inner spacing */
.site-header .header-inner,
.site-footer .footer-inner{
  padding: 1rem 0;
}

.header-inner{
  display:flex;
  gap:16px;
  align-items:center;
  justify-content:space-between;
}

/* Make header text readable on dark bg */
.header-title{
  font-weight:700;
  color: var(--headertext);
}

/* Header links (if any) */
.site-header a,
.site-footer a,
footer a{
  color: var(--headertext);
  text-decoration: underline;
}
.site-header a:hover,
.site-footer a:hover,
footer a:hover{
  text-decoration:none;
}

.logo{ height:44px; width:auto; }

.card{
  margin: 18px 0;
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
  background:#fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}

.card-title{
  margin:0 0 8px;
  font-size:22px;
}

.card-subtitle{
  margin:18px 0 10px;
  font-size:16px;
}

.muted{ color:var(--muted); }
.fineprint{ font-size:12px; }

.req{ color:var(--error); font-weight:700; }

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}
.span-2{ grid-column: span 2; }

@media (max-width: 720px){
  .grid{ grid-template-columns: 1fr; }
  .span-2{ grid-column: auto; }
  .header-inner{ flex-direction:column; align-items:flex-start; }
}

.field label{
  display:block;
  font-weight:600;
  margin-bottom: 6px;
}

input{
  width:100%;
  padding: 10px 12px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  color:var(--text);
  outline:none;
}
input:focus{
  border-color: rgba(153,192,0,.7);
  box-shadow: 0 0 0 3px rgba(153,192,0,.15);
}

.phone, .exp{
  display:grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap:10px;
}
.exp{ grid-template-columns: 1fr 1fr; }

.error{
  margin-top:6px;
  color:var(--error);
  font-size:12px;
}

.alert{
  border-radius:12px;
  padding: 10px 12px;
  margin: 12px 0;
  border:1px solid var(--border);
  background:#fafafa;
}
.alert-error{
  border-color: rgba(185,28,28,.35);
  background: rgba(185,28,28,.08);
  color: var(--error);
}
.alert-warn{
  border-color: rgba(146,64,14,.35);
  background: rgba(146,64,14,.08);
  color: var(--warn);
}

.btn{
  display:inline-block;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 12px;
  border:1px solid var(--brand);
  background: var(--brand);
  color:#fff;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
}
.btn:hover{ filter: brightness(0.95); }

.sep{
  border:0;
  border-top:1px solid var(--border);
  margin: 16px 0;
}

.receipt-grid{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 720px){
  .receipt-grid{ grid-template-columns: 1fr; }
}

.receipt-block{
  padding: 10px 0;
}
.total{
  font-size: 18px;
  font-weight: 800;
}

/* Keep generic header/footer spacing if you use plain tags */
header { padding: 1.25rem 0; }
footer { padding: 1rem 0; }