.gst-wrap{
  --gst-blue:#2B5C9E;
  --gst-maroon:#7A3030;
  --gst-green:#3FA85C;
  --gst-green-dark:#2F8B47;
  --gst-ink:#1F2937;
  --gst-muted:#6B7280;
  --gst-line:#E7E9EE;
  --gst-pill-bg:#EAF2FC;
  --gst-pill-text:#2B5C9E;
  --gst-ok:#2F8B47;
  --gst-bad:#B23A2E;
  --gst-maroon-bg:#F7EEEE;

  max-width:1268px;
  margin:0 auto;
  padding:24px 8px;
  color:var(--gst-ink);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  box-sizing:border-box;
}
.gst-wrap *{box-sizing:border-box;}

.gst-hero{
  background:#FFFFFF;
  border:1px solid var(--gst-line);
  border-radius:28px;
  padding:44px 48px;
}
.gst-h1{
  font-size:32px;
  line-height:1.25;
  margin:0 0 14px 0;
  font-weight:800;
}
.gst-a{color:var(--gst-blue);}
.gst-b{color:var(--gst-maroon);}
.gst-desc{
  color:#4B5361;
  font-size:15.5px;
  line-height:1.6;
  max-width:760px;
  margin:0;
}

.gst-card{
  background:#FFFFFF;
  border:1px solid var(--gst-line);
  border-radius:24px;
  padding:32px 36px;
  margin-top:24px;
  position:relative;
  box-shadow:0 20px 40px -24px rgba(20,30,60,0.15);
}
.gst-card-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:17px;
  margin-bottom:6px;
}
.gst-dot{width:9px;height:9px;border-radius:50%;background:var(--gst-blue);display:inline-block;}
.gst-mandatory{
  font-size:12.5px;
  color:var(--gst-muted);
  margin-bottom:22px;
}
.gst-req{color:var(--gst-bad);}
.gst-wrap label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
}
.gst-wrap label .gst-req{margin-left:2px;}
.gst-input-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}
.gst-char-count{
  font-size:12.5px;
  color:var(--gst-muted);
  margin-left:auto;
  white-space:nowrap;
}
.gst-wrap input{
  flex:1;
  min-width:240px;
  font-size:15px;
  padding:13px 16px;
  border:1px solid var(--gst-line);
  border-radius:10px;
  background:#FBFCFE;
  outline:none;
  color:var(--gst-ink);
}
.gst-wrap input:focus{border-color:var(--gst-blue);background:#fff;}
.gst-wrap input.gst-invalid{border-color:var(--gst-bad);}
.gst-wrap input::placeholder{color:#B0B6C0;}
.gst-captcha-input{
  min-width:180px;
  flex:0 0 220px;
  text-transform:none;
}
.gst-wrap button{
  font-size:16.5px;
  font-weight:700;
  background:linear-gradient(180deg,var(--gst-green) 0%,var(--gst-green-dark) 100%);
  color:#fff;
  border:none;
  border-radius:999px;
  padding:0 34px;
  height:54px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:9px;
}
.gst-wrap button:hover{filter:brightness(1.04);}

.gst-captcha-row{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:12px;
}
#gst-captchaCanvas{
  border:1px solid var(--gst-line);
  border-radius:10px;
  background:#EDEFF3;
}
.gst-icon-btn{
  width:44px;
  height:44px;
  border-radius:10px;
  background:#5B6472 !important;
  color:#fff;
  border:none;
  font-size:18px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 !important;
  height:44px !important;
}
.gst-icon-btn:hover{background:#454d59 !important;}

.gst-anatomy{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  font-family:'SFMono-Regular',Consolas,Menlo,monospace;
  font-size:16px;
}
.gst-seg{
  padding:7px 4px;
  border-radius:6px;
  position:relative;
}
.gst-seg .gst-tag{
  position:absolute;
  top:-19px;
  left:50%;
  transform:translateX(-50%);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:10px;
  font-weight:600;
  letter-spacing:0.02em;
  white-space:nowrap;
  color:var(--gst-muted);
  opacity:0;
  transition:opacity .15s;
}
.gst-seg:hover .gst-tag{opacity:1;}
.gst-seg-state{background:var(--gst-pill-bg);}
.gst-seg-pan{background:var(--gst-maroon-bg);}
.gst-seg-entity{background:#F1F3F6;}
.gst-seg-check{background:#EAF6EC;font-weight:700;}
.gst-seg-empty{color:#C6CBD3; background:transparent !important;}

.gst-status{
  margin-top:22px;
  padding:16px 18px;
  border-radius:12px;
  font-size:14px;
  display:none;
}
.gst-status.gst-show{display:block;}
.gst-status.gst-ok{background:#EEF9F1;border:1px solid #CFEBD8;}
.gst-status.gst-bad{background:#FBEFED;border:1px solid #F2D3CC;}
.gst-status-title{font-weight:700;margin-bottom:4px;}
.gst-status.gst-ok .gst-status-title{color:var(--gst-ok);}
.gst-status.gst-bad .gst-status-title{color:var(--gst-bad);}

.gst-details{
  margin-top:18px;
  display:none;
}
.gst-details.gst-show{display:block;}

.gst-results-header{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  color:var(--gst-ink);
  padding-bottom:16px;
  margin-bottom:20px;
  border-bottom:1px solid var(--gst-line);
}
.gst-results-header #gst-resultGstin{
  font-weight:800;
  color:var(--gst-blue);
  font-family:'SFMono-Regular',Consolas,Menlo,monospace;
  letter-spacing:0.02em;
}

.gst-box-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:14px;
  margin-bottom:20px;
}
.gst-box{
  background:var(--gst-pill-bg);
  border-radius:12px;
  padding:16px 18px;
}
.gst-box-label{
  font-size:11.5px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.03em;
  color:var(--gst-ink);
  margin-bottom:8px;
}
.gst-box-value{
  font-size:14.5px;
  font-weight:700;
  color:var(--gst-ink);
}
.gst-box-value.gst-unavailable{
  font-weight:500;
  font-style:italic;
  color:var(--gst-muted);
  font-size:13px;
}

.gst-portal-cta{
  display:block;
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  background:var(--gst-pill-bg);
  border:1px solid #D4E4F7;
  color:var(--gst-blue) !important;
  text-decoration:none;
  font-size:13.5px;
  font-weight:600;
  text-align:center;
}
.gst-portal-cta:hover{background:#E0ECFA;}

.gst-copy-btn{
  grid-column:1 / -1;
  margin-top:10px;
  background:#F1F3F6 !important;
  color:var(--gst-ink) !important;
  height:44px !important;
  font-size:14px !important;
  width:100%;
  justify-content:center;
}
.gst-copy-btn:hover{background:#E5E8ED !important;}
.gst-copy-msg{
  grid-column:1 / -1;
  font-size:12.5px;
  color:var(--gst-ok);
  text-align:center;
  margin-top:6px;
  min-height:16px;
}

.gst-disclaimer{
  margin-top:20px;
  padding-top:16px;
  border-top:1px dashed var(--gst-line);
  font-size:12.5px;
  color:var(--gst-muted);
  line-height:1.6;
}

.gst-info-card{
  background:#FFFFFF;
  border:1px solid var(--gst-line);
  border-radius:24px;
  padding:32px 36px;
  margin-top:24px;
}
.gst-info-title{font-size:18px;font-weight:800;margin:0 0 14px 0;}
.gst-info-p{color:var(--gst-muted);font-size:14.5px;line-height:1.65;margin:0 0 12px 0;}
.gst-info-p b{color:var(--gst-ink);}
.gst-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.gst-pill{
  background:var(--gst-pill-bg);
  color:var(--gst-pill-text);
  font-size:13.5px;
  font-weight:600;
  padding:8px 16px;
  border-radius:999px;
}

@media (max-width:900px){
  .gst-box-grid{grid-template-columns:repeat(2, 1fr);}
}
@media (max-width:640px){
  .gst-hero,.gst-card,.gst-info-card{padding:28px 22px;}
  .gst-box-grid{grid-template-columns:1fr;}
}