:root {
  --bg1: #0f1226;
  --bg2: #1b1040;
  --card: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #f2f3ff;
  --muted: #9aa0c3;
  --accent: #7c6cff;
  --accent2: #ff6c9c;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, #2a2260 0%, transparent 60%),
              radial-gradient(1000px 700px at -10% 110%, #4a1540 0%, transparent 55%),
              linear-gradient(160deg, var(--bg1), var(--bg2));
  color: var(--text);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-user-select: none;
  user-select: none;
  overflow-x: hidden;
}
header {
  width: 100%;
  max-width: 560px;
  padding: 20px 16px 8px;
  text-align: center;
}
h1 { font-size: 28px; letter-spacing: 1px; }
h1 .spark { color: var(--accent2); }
.subtitle { color: var(--muted); font-size: 13px; margin-top: 4px; }

.mode-bar {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 12px 16px 4px;
}
.pill {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.pill.active {
  background: linear-gradient(135deg, var(--accent), #5a8bff);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(124, 108, 255, 0.45);
}
.pill:active { transform: scale(0.96); }

.sub-bar { display: flex; gap: 8px; justify-content: center; padding: 8px; min-height: 20px; }
.sub-bar .pill { padding: 5px 14px; font-size: 12px; }

.wheel-stage {
  position: relative;
  width: min(88vw, 460px);
  aspect-ratio: 1;
  margin: 10px auto 0;
}
canvas#wheel { width: 100%; height: 100%; display: block; touch-action: none; }
.pointer {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 24px solid #ffd76c;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  z-index: 3;
}

.controls { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 14px 16px 30px; width: 100%; max-width: 560px; }
#spinBtn {
  background: linear-gradient(135deg, var(--accent2), #ff9c6c);
  border: none;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 14px 64px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(255, 108, 156, 0.4);
  transition: transform 0.15s ease, opacity 0.15s ease;
}
#spinBtn:active { transform: scale(0.95); }
#spinBtn:disabled { opacity: 0.45; cursor: default; }

.players-row {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--card-border);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
}
.players-row.show { display: flex; }
.players-row button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: rgba(255,255,255,0.1);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}
.players-row .count { min-width: 20px; text-align: center; font-weight: 700; }

.result-banner {
  position: fixed;
  left: 50%;
  bottom: 110px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 16, 50, 0.95);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px 26px;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  max-width: 86vw;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 20;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.result-banner.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.result-banner .who { font-size: 13px; color: var(--accent2); font-weight: 600; margin-bottom: 2px; }

/* Bias overlay */
.bias-card {
  position: fixed;
  z-index: 30;
  background: rgba(24, 20, 58, 0.97);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 16px;
  width: 220px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  transform: translate(-50%, -50%);
}
.bias-card h3 { font-size: 14px; margin-bottom: 4px; }
.bias-card .val { font-size: 12px; color: var(--accent2); margin-bottom: 10px; font-weight: 600; }
.bias-track {
  position: relative;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(255,108,156,0.25), rgba(255,255,255,0.08) 50%, rgba(124,108,255,0.35));
  border: 1px solid var(--card-border);
  touch-action: none;
  cursor: pointer;
}
.bias-track .zero {
  position: absolute; left: 50%; top: 6px; bottom: 6px;
  width: 1px; background: rgba(255,255,255,0.35);
}
.bias-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.bias-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-top: 5px; }
.bias-card .row { display: flex; gap: 8px; margin-top: 10px; }
.bias-card button {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 0;
  font-size: 12px;
  cursor: pointer;
}
.bias-card button.primary { background: var(--accent); border-color: transparent; }

footer { padding: 10px 0 22px; }
footer a { color: var(--muted); font-size: 12px; text-decoration: none; }
footer a:hover { color: var(--text); }

/* ---------- Admin ---------- */
.admin-wrap { width: 100%; max-width: 520px; padding: 24px 16px 40px; display: flex; flex-direction: column; gap: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px;
}
.card h2 { font-size: 16px; margin-bottom: 12px; }
.card input[type="text"], .card input[type="password"], .card input[type="number"] {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}
.card input:focus { border-color: var(--accent); }
.btn {
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn.small { padding: 6px 12px; font-size: 12px; }
.btn.danger { background: #d6476b; }
.challenge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.challenge-row:last-child { border-bottom: none; }
.challenge-row .txt { flex: 1; font-size: 14px; }
.challenge-row input[type="range"] { width: 110px; accent-color: var(--accent2); }
.challenge-row .bv { width: 46px; font-size: 11px; color: var(--muted); text-align: right; }
.add-row { display: flex; gap: 8px; }
.group-bias-row { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.group-bias-row input[type="range"] { flex: 1; accent-color: var(--accent2); }
.err { color: #ff8fa8; font-size: 13px; min-height: 16px; }
.ok { color: #7ce8a8; font-size: 13px; min-height: 16px; }
.hidden { display: none !important; }
.back-link { color: var(--muted); font-size: 13px; text-decoration: none; }

/* Slice-count sliders */
.slice-panel {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 340px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 10px 14px;
}
.slice-panel.show { display: flex; }
.slice-row { display: flex; align-items: center; gap: 10px; }
.slice-row .sl-label {
  flex: 0 0 90px;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.slice-row input[type="range"] { flex: 1; accent-color: var(--accent); height: 4px; }
.slice-row .sl-val { flex: 0 0 30px; font-size: 12px; font-weight: 700; text-align: right; }