/* Achievement Grid */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}

.achievement-card {
  background: var(--bs-light);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--bs-border-color);
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.achievement-card.locked {
  opacity: 0.7;
  filter: grayscale(1);
}

.achievement-icon {
  font-size: 2.5em;
  margin-bottom: 1rem;
  color: var(--bs-warning);
}

.achievement-title {
  font-size: 1.2em;
  margin-bottom: 0.5rem;
  color: var(--bs-dark);
}

.achievement-description {
  font-size: 0.9em;
  color: var(--bs-gray-700);
  margin-bottom: 1rem;
}

.achievement-points {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--bs-warning);
  color: var(--bs-dark);
  border-radius: 1rem;
  font-weight: bold;
}

/* Achievement Unlock Animation */
@keyframes unlock-shine {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(200%) rotate(45deg);
  }
}

.achievement-unlocked::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%
  );
  animation: unlock-shine 1.5s ease forwards;
}

/* Achievement Toast Notification */
.achievement-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bs-dark);
  color: var(--bs-light);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1050;
  max-width: 400px;
  animation: slide-up 0.3s ease forwards;
}

@keyframes slide-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.achievement-toast .icon {
  font-size: 2em;
  color: var(--bs-warning);
}

.achievement-toast .content {
  flex: 1;
}

.achievement-toast h4 {
  margin: 0;
  font-size: 1.1em;
}

.achievement-toast p {
  margin: 0.25rem 0 0;
  font-size: 0.9em;
  opacity: 0.8;
}

/* Progress Indicators */
.progress-ring {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 24px;
  height: 24px;
}

.progress-ring circle {
  stroke: var(--bs-warning);
  fill: transparent;
  stroke-width: 3;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.3s ease;
}

.progress-ring .background {
  stroke: var(--bs-dark);
}