:root {
  --btc-orange: #F7931A;
  --btc-black: #050505;
  --btc-white: #ffffff;
}

body {
  background: var(--btc-black);
  color: var(--btc-white);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at top, rgba(247,147,26,0.22), transparent 35%),
    linear-gradient(180deg, #111 0%, #000 100%);
}

.event-card {
  max-width: 720px;
  background: #111;
  color: #fff;
  border: 1px solid rgba(247,147,26,0.45);
  border-radius: 24px;
  box-shadow: 0 0 40px rgba(247,147,26,0.14);
}

.btc-badge {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--btc-orange);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  font-weight: 700;
}

.btn-orange {
  background: var(--btc-orange);
  border-color: var(--btc-orange);
  color: #111;
  font-weight: 700;
}

.btn-orange:hover {
  background: #ffad42;
  border-color: #ffad42;
  color: #000;
}

.event-facts {
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 18px;
  line-height: 1.8;
}

.admin-login {
  max-width: 360px;
}

.stat-box {
  background: #111;
  border: 1px solid rgba(247,147,26,0.45);
  border-radius: 16px;
  padding: 16px;
}

.stat-box strong {
  font-size: 1.7rem;
  color: var(--btc-orange);
}

.qr-box {
  background: #fff;
  border-radius: 18px;
  padding: 18px;
  display: inline-block;
}

.qr-box img {
  width: 240px;
  height: 240px;
}

#reader {
  background: #000;
  border: 1px solid rgba(247,147,26,0.45);
  border-radius: 18px;
  overflow: hidden;
}

#reader video {
  border-radius: 18px;
}