.achievement-panel {
  --achievement-accent: #d5ed9c;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 26px;
  padding: 38px;
  border-radius: 24px;
  background: radial-gradient(ellipse at 100% 0%, #3f5946, transparent 69%), #23342b;
  color: #fff;
  box-shadow: 0 16px 40px #23342b20;
}

.achievement-panel[data-achievement="completed"] { --achievement-accent: #ddd0f2; }
.achievement-panel[data-achievement="perfect"] { --achievement-accent: #f3d797; }

.achievement-emblem {
  display: grid;
  place-items: center;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: var(--achievement-accent);
  color: #23342b;
  outline: 1px solid #ffffff30;
  outline-offset: 7px;
  font-size: 42px;
  line-height: 1;
}

.achievement-label {
  color: var(--achievement-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.achievement-title {
  margin: 7px 0 11px;
  font-size: clamp(29px, 4.2vw, 52px);
  line-height: 1.04;
  letter-spacing: -.045em;
  overflow-wrap: anywhere;
}

.achievement-title:focus { outline: none; }
.achievement-description { max-width: 46ch; margin: 0; color: #e4ede1; font-size: 14px; line-height: 1.6; }

.achievement-score {
  min-width: 135px;
  margin: 0;
  padding: 16px 17px;
  border: 1px solid #ffffff39;
  border-radius: 16px;
  background: #ffffff0d;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.achievement-score strong { display: block; color: #fff; font-size: 34px; line-height: 1.15; white-space: nowrap; }
.achievement-score span { display: block; margin-top: 5px; color: var(--achievement-accent); font-size: 14px; font-weight: 700; }

.achievement-actions {
  grid-column: 2 / -1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.achievement-actions .achievement-share { background: var(--achievement-accent); border-color: var(--achievement-accent); color: #23342b; }
.achievement-actions .achievement-share:hover { filter: brightness(1.07); }
.achievement-actions .achievement-share:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.achievement-actions .achievement-story { background: #ffffff0d; border-color: #ffffff53; color: #fff; }
.achievement-actions .achievement-story:hover { background: #ffffff20; }
.achievement-actions .achievement-copy { color: #fff; min-height: 44px; padding-inline: 10px; }
.achievement-actions .achievement-copy:hover { background: #ffffff14; }
.achievement-actions :is(.achievement-story, .achievement-copy):focus-visible { outline-color: var(--achievement-accent); }
.achievement-privacy { flex-basis: 100%; margin: 0; color: #d5e3d4; font-size: 12px; }
.personal-best {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px 9px;
  margin-top: 14px;
  padding: 5px 10px;
  border: 1px solid #ffffff35;
  border-radius: 9px;
  color: #e6f1de;
  background: #ffffff0d;
  font-size: 12px;
  line-height: 1.5;
}
.personal-best--improved { color: #23342b; background: var(--achievement-accent); border-color: transparent; }
.personal-best-value { font-weight: 700; font-variant-numeric: tabular-nums; }
.achievement-method-link { text-align: center; margin: 16px 0 24px; }
.quiz-milestone { display: flex; justify-content: center; align-items: center; gap: 6px; color: #4b6a47; font-size: 13px; font-weight: 700; margin: 0 0 12px; }
.quiz-milestone svg { width: 15px; height: 15px; }
.achievement-confetti { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.achievement-confetti i {
  position: absolute;
  left: 12%;
  top: 42%;
  width: 7px;
  height: 10px;
  border-radius: 2px;
  background: var(--confetti-color);
  opacity: 0;
  animation: achievement-burst 900ms var(--delay) ease-out both;
}

.achievement-confetti i:nth-child(3n) { border-radius: 50%; width: 8px; height: 8px; }
.achievement-confetti .confetti-far { left: 86%; top: 30%; }
.achievement-revealing .achievement-emblem { animation: achievement-land 520ms cubic-bezier(.18,.8,.3,1.28) both; }
.achievement-revealing .achievement-score { animation: achievement-land 460ms 90ms cubic-bezier(.18,.8,.3,1.18) both; }
@keyframes achievement-land {
  from { transform: translateY(5px) scale(.86); }
  to { transform: translateY(0) scale(1); }
}
@keyframes achievement-burst {
  0% { transform: translate(0, 0) scale(.4); opacity: 0; }
  12% { opacity: .95; }
  75% { opacity: .85; }
  100% { transform: translate(var(--dx), var(--dy)) rotate(var(--spin)); opacity: 0; }
}

@media (max-width: 650px) {
  .achievement-panel { grid-template-columns: auto minmax(0, 1fr); padding: 25px; gap: 18px; }
  .achievement-emblem { width: 53px; height: 53px; outline-offset: 4px; font-size: 28px; }
  .achievement-score { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 10px; text-align: left; }
  .achievement-score span { margin: 0; }
  .achievement-actions { grid-column: 1 / -1; flex-direction: column; align-items: stretch; text-align: center; }
  .achievement-description { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .achievement-confetti { display: none; }
}