:root {
  --bg: #0d0b14;
  --card: #1a1726;
  --card-2: #241f36;
  --accent: #ff3d7f;
  --accent-2: #7c4dff;
  --text: #f3f0ff;
  --muted: #9a93b8;
  --good: #2ecc71;
  --bad: #ff4757;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -10%, #2a1840 0%, var(--bg) 60%);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 560px;
  padding: 28px 20px 60px;
}

header { text-align: center; }
h1 {
  margin: 0;
  font-size: clamp(28px, 8vw, 44px);
  letter-spacing: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub { color: var(--muted); margin: 6px 0 18px; }

.streak {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 26px;
}
.streak .pip {
  width: 22px;
  height: 8px;
  border-radius: 6px;
  background: var(--card-2);
  transition: background 0.25s, box-shadow 0.25s;
}
.streak .pip.on {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}
.streak .pip.good { background: var(--good); box-shadow: 0 0 12px var(--good); }
.streak .pip.bad { background: var(--bad); box-shadow: 0 0 12px var(--bad); }
.streak .pip.now { background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }

.round-label {
  text-align: center;
  color: var(--text);
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
}

.hidden { display: none !important; }

.screen {
  background: var(--card);
  border: 1px solid #2c2740;
  border-radius: 18px;
  padding: 32px 26px;
  text-align: center;
}
.screen h2 { margin: 0 0 10px; font-size: 26px; }
.screen p { color: var(--muted); line-height: 1.5; margin: 0 0 22px; }

.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
  border: 0;
  padding: 14px 34px;
  font-size: 17px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.1s, filter 0.2s;
}
.primary:hover { filter: brightness(1.1); }
.primary:active { transform: scale(0.97); }

/* Timer */
.timer {
  position: relative;
  height: 14px;
  background: var(--card-2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 26px;
}
.timer-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--good), #f1c40f 70%, var(--bad));
  transform-origin: left;
  transition: transform 0.1s linear;
}
#timer-text {
  position: absolute;
  right: 10px;
  top: -24px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 14px;
}

.now-playing { text-align: center; color: var(--muted); margin-bottom: 24px; }
.equalizer { display: inline-flex; gap: 5px; height: 36px; align-items: flex-end; margin-bottom: 6px; }
.equalizer span {
  width: 6px;
  background: linear-gradient(var(--accent), var(--accent-2));
  border-radius: 3px;
  animation: bounce 1s infinite ease-in-out;
}
.equalizer span:nth-child(1) { animation-delay: 0s; }
.equalizer span:nth-child(2) { animation-delay: 0.2s; }
.equalizer span:nth-child(3) { animation-delay: 0.4s; }
.equalizer span:nth-child(4) { animation-delay: 0.1s; }
.equalizer span:nth-child(5) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 100% { height: 8px; } 50% { height: 36px; } }
.equalizer.paused span { animation-play-state: paused; }

.options { display: grid; gap: 12px; }
.opt {
  background: var(--card);
  border: 1px solid #2c2740;
  color: var(--text);
  padding: 18px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 14px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.08s, border-color 0.2s, background 0.2s;
}
.opt:hover:not(:disabled) { border-color: var(--accent-2); background: var(--card-2); }
.opt:active:not(:disabled) { transform: scale(0.99); }
.opt:disabled { cursor: default; opacity: 0.85; }
.opt.correct { background: rgba(46, 204, 113, 0.18); border-color: var(--good); }
.opt.wrong { background: rgba(255, 71, 87, 0.18); border-color: var(--bad); }

.status { text-align: center; color: var(--muted); margin-top: 22px; min-height: 22px; }