* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Courier New', monospace;
  background: #111;
  color: #eee;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.challenge-title {
  text-align: center;
  color: #eee;
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  width: 100%;
}

.challenge-title:empty { display: none; }

.challenge-dates {
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 24px;
  width: 100%;
}

.countdown {
  color: #aaa;
  font-size: 1.2rem;
  margin-bottom: 16px;
  text-align: center;
}

.countdown:empty { display: none; }

.board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 800px;
  width: 100%;
}

@media (max-width: 600px) {
  .board {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.person {
  text-align: center;
}

.name {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: #ccc;
}

.odometer {
  display: inline-flex;
  gap: 2px;
  background: #222;
  padding: 8px 12px;
  border-radius: 8px;
  border: 2px solid #444;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.5);
}

.digit-slot {
  width: 40px;
  height: 56px;
  overflow: hidden;
  background: #1a1a1a;
  border-radius: 4px;
  border: 1px solid #333;
  position: relative;
}

/* Gradient overlay for depth effect */
.digit-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.4) 0%,
    transparent 30%,
    transparent 70%,
    rgba(0,0,0,0.4) 100%
  );
  z-index: 2;
  pointer-events: none;
}

.digit-reel {
  display: flex;
  flex-direction: column;
  transition: transform 0.8s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.digit-reel span {
  width: 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: bold;
  color: #f0f0f0;
}

@media (max-width: 600px) {
  .digit-slot {
    width: 32px;
    height: 44px;
  }
  .digit-reel span {
    width: 32px;
    height: 44px;
    font-size: 1.5rem;
  }
  .name {
    font-size: 1.2rem;
  }
}

.person.rabbit .odometer {
  border-color: #665533;
  opacity: 0.7;
}

.person.rabbit .name {
  color: #999;
}

.rabbit-badge {
  font-size: 1em;
  color: #f1c40f;
  vertical-align: middle;
}

.goal-bar {
  width: 100%;
  max-width: 220px;
  height: 6px;
  background: #333;
  border-radius: 3px;
  margin: 8px auto 4px;
  overflow: hidden;
}

.goal-fill {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  transition: width 0.8s ease;
}

.goal-fill--ahead {
  background: #2ecc71;
}

.goal-fill--on-track {
  background: #f1c40f;
}

.goal-fill--behind {
  background: #e94560;
}

.goal-text {
  font-size: 0.85rem;
  color: #666;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #666;
  font-size: 1.2rem;
}

footer {
  text-align: center;
  padding: 4px;
  margin-top: auto;
  font-size: 0.85rem;
}

footer a {
  color: #555;
  text-decoration: none;
}

footer a:hover {
  color: #888;
}