* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background: #0b0b0b; color: #fff; }

.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar-left { display:flex; align-items:center; gap:14px; }
.brand{
  color:#fff; text-decoration:none; font-weight:700; letter-spacing:0.5px;
}
.signup{
  color:#ff3b3b; text-decoration:none; font-weight:700;
  padding: 6px 10px; border: 1px solid rgba(255,59,59,0.5);
  border-radius: 8px;
}

.topbar-nav { display:flex; gap:16px; flex-wrap:wrap; justify-content:flex-end; }
.topbar-nav a{
  color:#fff; text-decoration:none; font-size:14px;
  padding: 8px 10px; border-radius: 10px;
}
.topbar-nav a:hover{ background: rgba(255,255,255,0.08); }

.hero{
  min-height: calc(100vh - 58px);
  position: relative;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 24px;
  background-image: url("../img/sport-red.jpg");
  background-size: cover;
  background-position: center;
}

.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(120deg, rgba(0,0,0,0.75), rgba(120,0,0,0.35));
}

.hero-card{
  position:relative;
  width: min(820px, 92vw);
  padding: 42px 28px;
  text-align:center;
  border-radius: 18px;
  background: rgba(0,0,0,0.65);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}

.hero-card h1{
  font-size: 56px;
  letter-spacing: 2px;
}
.hero-card h2{
  margin-top: 6px;
  font-size: 22px;
  font-weight: 700;
  opacity: 0.95;
}
.hero-card p{
  margin-top: 10px;
  font-size: 18px;
  opacity: 0.9;
}

.hero-actions{
  margin-top: 22px;
  display:flex;
  gap: 12px;
  justify-content:center;
  flex-wrap:wrap;
}

.btn{
  display:inline-block;
  padding: 12px 16px;
  border-radius: 12px;
  background:#ff2f2f;
  color:#fff;
  text-decoration:none;
  font-weight:700;
}
.btn:hover{ filter: brightness(1.05); }

.btn-outline{
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-outline:hover{ background: rgba(255,255,255,0.08); }





.page-wrap{
  min-height: calc(100vh - 58px);
  display:flex; align-items:center; justify-content:center;
  padding: 24px;
}

.glass-box{
  width: min(980px, 94vw);
  background: rgba(0,0,0,0.65);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.55);
}

.page-title{ font-size: 26px; margin-bottom: 12px; }

.tabs{ display:flex; gap:10px; margin: 10px 0 14px; }
.tab-btn{
  padding: 10px 14px; border-radius: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color:#fff; cursor:pointer; font-weight:700;
}
.tab-btn.active{ background:#ff2f2f; border-color: rgba(255,47,47,0.6); }

.tab-content{ display:none; }
.tab-content.active{ display:block; }

label{ display:block; margin: 10px 0 6px; font-weight:700; }
input, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.35);
  color:#fff;
  outline:none;
}

.grid2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
@media(max-width: 760px){ .grid2{ grid-template-columns: 1fr; } }

.sep{
  border: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin: 16px 0;
}

.btn.full{ width:100%; margin-top: 14px; }

.alert{
  padding: 10px 12px;
  border-radius: 12px;
  margin: 10px 0;
  font-weight: 700;
}
.alert-err{ background: rgba(255,0,0,0.14); border: 1px solid rgba(255,0,0,0.30); }
.alert-ok{ background: rgba(0,255,120,0.12); border: 1px solid rgba(0,255,120,0.28); }
.muted{ opacity: 0.75; }

.modal{
  position: fixed; inset:0;
  display:none;
  align-items:center; justify-content:center;
  background: rgba(0,0,0,0.55);
  z-index: 999;
}
.modal.show{ display:flex; }
.modal-box{
  width: min(420px, 92vw);
  background: rgba(0,0,0,0.80);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 22px;
  text-align:center;
}
.spinner{
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.18);
  border-top-color: rgba(255,255,255,0.85);
  margin: 0 auto 12px;
  animation: spin 0.9s linear infinite;
}
@keyframes spin{ to { transform: rotate(360deg); } }