:root {
  --bg: #061126;
  --card: rgba(16, 25, 44, 0.92);
  --text: #f4f8ff;
  --accent: #ffca28;
  --accent2: #4dd0e1;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', sans-serif;
  background: radial-gradient(circle at 10% 10%, #1e4f96, var(--bg));
  color: var(--text);
  min-height: 100vh;
  padding: 18px;
}

.admin-page {
  overflow: hidden;
}

.admin-page .admin-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: calc(100vh - 36px);
  min-height: calc(100vh - 36px);
}

.admin-page .admin-wrap .card {
  margin-bottom: 0;
}

.admin-page .admin-wrap .card:first-child {
  flex: 0 0 auto;
}

.admin-page .admin-wrap .card:last-child {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

main { max-width: 840px; margin: 0 auto; }
.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

h1, h2, h3 { margin-top: 0; }
button {
  background: linear-gradient(130deg, #3ec5ff, #8a5cff);
  border: none;
  border-radius: 10px;
  color: #09111f;
  padding: 10px 16px;
  font-weight: bold;
  margin-right: 8px;
  margin-bottom: 8px;
}
input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
  margin: 8px 0;
  font-size: 1rem;
}

button:active {
  transform: scale(0.98);
}

.hidden { display: none; }

#qrImg { width: 240px; height: 240px; border-radius: 12px; background: white; }

.countdown {
  font-size: 1.4rem;
  font-weight: bold;
  margin: 12px 0;
}

#leaderboardWrap, #ranks {
  margin-top: 10px;
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  border-radius: 10px;
  padding: 8px;
  margin-bottom: 8px;
  background: rgba(255,255,255,0.05);
}

.progress-track {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.2);
}

.progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #7fffd4, #3ec5ff);
  border-radius: 999px;
}

#playerList { list-style: none; padding-left: 0; }
#playerList li { margin-bottom: 8px; }

.admin-page #playerList {
  margin: 0;
  overflow: auto;
  max-height: 140px;
  min-height: 80px;
}

.admin-page #leaderboardWrap {
  overflow: auto;
  max-height: 150px;
  min-height: 70px;
}

.tap-area {
  border: 2px dashed rgba(255,255,255,0.35);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  min-height: 160px;
}

.visual-wrap {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 14px;
  overflow: hidden;
  min-height: 220px;
  margin-top: 8px;
  background: radial-gradient(circle at 50% 0%, rgba(80, 170, 255, 0.2), rgba(6, 16, 38, 0.95));
}

.no-webgl {
  color: #f0f7ff;
  text-align: center;
  padding: 20px;
  font-size: 0.95rem;
}

#adminSceneWrap {
  min-height: 280px;
}

.admin-page #adminSceneWrap {
  min-height: 280px;
  flex: 1 1 280px;
}

.admin-page #adminSceneWrap canvas {
  width: 100% !important;
  height: 100% !important;
}

.admin-page #leaderboardWrap {
  flex: 0 0 auto;
}

#myHeight { font-size: 3rem; font-weight: bold; margin: 20px 0; }
#myRank { font-size: 1.2rem; color: var(--accent); }
.status { font-weight: 700; }

.meter { color: var(--accent2); min-width: 58px; text-align: right; }