/* ── Achievements grid ───────────────────────────── */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 992px) {
  .achievements-grid { grid-template-columns: repeat(7, 1fr); }
}

/* ── Card base ───────────────────────────────────── */
.achievement-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 16px;
  padding: 1.25rem .85rem 1rem;
  text-align: center;
  transition: border-color .25s, box-shadow .25s, transform .2s;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}
.achievement-card:hover { transform: translateY(-3px); }

/* ── Locked state ────────────────────────────────── */
.achievement-locked {
  opacity: .7;
}
.achievement-locked .achievement-icon {
  filter: grayscale(1);
  opacity: .25;
}
.achievement-locked .achievement-lock-icon { display: flex; }
.achievement-locked .achievement-badge     { display: none;  }
.achievement-locked .achievement-unlocked-content { display: none; }

/* ── Unlocked state ──────────────────────────────── */
.achievement-unlocked {
  opacity: 1;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light), 0 4px 18px var(--color-shadow);
}
.achievement-unlocked .achievement-icon {
  color: var(--color-primary);
}
.achievement-unlocked .achievement-lock-icon { display: none; }
.achievement-unlocked .achievement-badge     { display: flex; }
.achievement-unlocked .achievement-hint      { display: none; }
.achievement-unlocked .achievement-unlocked-content { display: flex; }

/* ── Icon wrap ───────────────────────────────────── */
.achievement-icon-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .4rem;
}
.achievement-icon {
  width: 30px;
  height: 30px;
  transition: color .3s, filter .3s, opacity .3s;
}

/* Lock overlay */
.achievement-lock-icon {
  position: absolute;
  bottom: -2px;
  right: -2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
}
.achievement-lock-icon svg { width: 10px; height: 10px; color: var(--color-text-muted); }

/* Star badge (shown when unlocked) */
.achievement-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--color-surface);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
}
.achievement-badge svg { width: 14px; height: 14px; color: var(--color-secondary); fill: var(--color-secondary); }

/* ── Text ────────────────────────────────────────── */
.achievement-hint {
  font-size: .74rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
  line-height: 1.35;
}
.achievement-unlocked-content {
  flex-direction: column;
  align-items: center;
  gap: .15rem;
}
.achievement-name {
  font-weight: 700;
  font-size: .82rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.25;
}
.achievement-desc {
  font-size: .72rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.35;
}

/* ── Counter block ───────────────────────────────── */
.achievements-counter {
  text-align: center;
  padding: 2rem 1.5rem 1.75rem;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  max-width: 480px;
  margin: 0 auto;
}
.achievements-rank {
  font-family: 'Caveat', cursive;
  font-size: 2rem;
  color: var(--color-primary);
  margin: 0 0 .75rem;
  line-height: 1.2;
}
.achievements-stars {
  display: flex;
  justify-content: center;
  gap: .35rem;
  margin-bottom: .6rem;
}
.ach-star {
  width: 22px;
  height: 22px;
  color: var(--color-border);
  transition: color .35s, fill .35s;
}
.ach-star--filled {
  color: var(--color-secondary);
  fill: var(--color-secondary);
}
.achievements-fraction {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: .35rem;
}
.achievements-counter-label { margin: 0; }

/* ── Unlock toast ────────────────────────────────── */
.achievement-toast {
  position: fixed;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--color-surface);
  border: 2px solid var(--color-secondary);
  border-radius: 12px;
  padding: .55rem 1.1rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  font-size: .83rem;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: 0 4px 22px rgba(0,0,0,.18);
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity .3s, transform .3s;
}
.achievement-toast svg {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
  fill: var(--color-secondary);
  flex-shrink: 0;
}
.achievement-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 575.98px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .65rem;
  }
  .achievement-card { padding: 1rem .6rem .85rem; }
  .achievement-icon { width: 26px; height: 26px; }
  .achievements-rank { font-size: 1.6rem; }
}