.topbar {
  background:linear-gradient(180deg, #000000, #000000);
  color:#fff;
  font-size:13px;
}
.navbar {
  background:linear-gradient(180deg, #000000, #000000) !important;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0, 0, 0, 0.6);
  box-shadow:0 2px 16px -4px rgba(0, 0, 0, 0.08);
  position:sticky;
  top:0;
  z-index:500;
  transition:all .3s ease;
}

*{margin:0;padding:0;box-sizing:border-box}

body{
  background:#000000;
  font-family:'Poppins',sans-serif;
  color:#fff;
  padding:20px;
}

.wrapper{
  max-width:1000px;
  margin:auto;
}

.title{
  text-align:center;
  margin-bottom:25px;
}

.title h1{
  font-family:'Orbitron',sans-serif;
  color:#00ffe1;
  font-size:34px;
  text-shadow:0 0 15px rgba(0,255,225,.7);
}

.calc-box{
  background:#0d1328;
  border-radius:20px;
  padding:20px;
  border:1px solid rgba(0,255,225,.15);
  box-shadow:0 0 25px rgba(0,255,225,.08);
}

.match-item{
  background:#121c35;
  border-radius:16px;
  padding:16px;
  margin-bottom:15px;
  border-left:4px solid #00ffe1;
}

.match-grid{
  display:grid;
  grid-template-columns:2fr 2fr 1fr 1fr auto;
  gap:10px;
}

input,select{
  width:100%;
  padding:12px;
  border:none;
  border-radius:12px;
  background:#1f1e1d;
  color:#fff;
}

button{
  border:none;
  cursor:pointer;
  transition:.2s;
}

.btn-add{
  margin-top:15px;
  width:100%;
  padding:14px;
  border-radius:14px;
  background:linear-gradient(135deg,#00ffe1,#00b894);
  color:#000;
  font-weight:800;
}

.btn-remove{
  width:45px;
  border-radius:12px;
  background:#ffd200;
  color:#fff;
  font-weight:bold;
}

.summary{
  margin-top:25px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
}

.summary-card{
  background:#121c35;
  border-radius:18px;
  padding:20px;
  text-align:center;
}

.summary-card h3{
  font-size:13px;
  color:#8aa6c7;
  margin-bottom:10px;
}

.summary-card .value{
  font-size:32px;
  font-family:'Orbitron',sans-serif;
  color:#00ffe1;
  font-weight:900;
}

.bet-box{
  margin-top:20px;
}

.bet-box input{
  padding:16px;
  font-size:16px;
}

.footer-btn{
  margin-top:18px;
  width:100%;
  padding:16px;
  border-radius:16px;
  background:linear-gradient(135deg,#00ffe1,#00b894);
  color:#000;
  font-weight:900;
  font-size:15px;
}

@media(max-width:768px){
  .match-grid{
    grid-template-columns:1fr;
  }

  .summary{
    grid-template-columns:1fr;
  }
}