/* Collection overlay + unlock banner (split out of ui.css — no monoliths).
   Depends on tokens from base.css (--gold, --cream, --panel-line) and the
   .overlay/.panel/.hidden scaffolding from ui.css. */

/* --- Unlock banner --------------------------------------------------- */

/* Sits at the bottom, centered — well clear of the top-center area toast
   (#toast) so the two never collide. Gold-trimmed ribbon. */
#unlock-banner {
  position: absolute;
  bottom: calc(28px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px 12px 16px;
  border-radius: 20px;
  background: linear-gradient(135deg,
    rgba(60, 30, 90, 0.9), rgba(30, 15, 56, 0.9));
  border: 1.5px solid var(--gold);
  box-shadow: 0 8px 26px rgba(8, 3, 20, 0.55),
              0 0 0 1px rgba(255, 209, 102, 0.2) inset,
              0 0 22px rgba(255, 209, 102, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  max-width: min(88vw, 380px);
  transition: opacity 0.35s;
}

#unlock-banner .unlock-emoji {
  font-size: 34px;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(10, 4, 24, 0.5));
}

#unlock-banner .unlock-text { min-width: 0; }

#unlock-banner .unlock-eyebrow {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.9;
  margin-bottom: 2px;
}

#unlock-banner .unlock-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

#unlock-banner.ribbon-in {
  animation: ribbon-in 0.55s cubic-bezier(0.2, 1.4, 0.35, 1);
}

@keyframes ribbon-in {
  0%   { transform: translateX(-50%) translateY(24px); opacity: 0; }
  60%  { transform: translateX(-50%) translateY(-4px); opacity: 1; }
  100% { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  #unlock-banner.ribbon-in { animation: none; }
}

/* --- Collection overlay ---------------------------------------------- */

.collection-panel {
  position: relative;
  text-align: left;
  padding: clamp(24px, 4vw, 40px) clamp(24px, 4vw, 40px)
           clamp(20px, 3vw, 32px);
  max-width: min(94vw, 720px);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.collection-panel h2 {
  text-align: center;
  margin-bottom: 8px;
}

.collection-section { margin-top: clamp(14px, 2.4vw, 22px); }

.collection-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.collection-heading h3 {
  font-size: clamp(15px, 2.2vw, 18px);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.9;
}

.collection-progress {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.collection-close {
  position: absolute;
  top: 10px;
  right: 12px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  color: var(--cream);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-line);
  transition: background 0.15s, transform 0.1s;
}

.collection-close:hover { background: rgba(255, 255, 255, 0.16); }
.collection-close:active { transform: scale(0.92); }

/* --- Sticker grid ---------------------------------------------------- */

.sticker-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.sticker {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 10px 4px 8px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-line);
  text-align: center;
  transition: transform 0.12s, background 0.15s;
}

.sticker.locked { opacity: 0.42; filter: grayscale(0.8); }

.sticker.unlocked {
  background: linear-gradient(160deg,
    rgba(255, 209, 102, 0.18), rgba(255, 159, 67, 0.08));
  border-color: rgba(255, 209, 102, 0.42);
  box-shadow: 0 4px 12px rgba(255, 159, 67, 0.14);
}

.sticker-emoji {
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  filter: drop-shadow(0 2px 3px rgba(10, 4, 24, 0.35));
}

.sticker-name {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--cream);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 26px;
}

.sticker.locked .sticker-name {
  opacity: 0.7;
  letter-spacing: 0.16em;
}

@media (max-width: 640px) {
  .sticker-grid { grid-template-columns: repeat(3, 1fr); }
  .sticker-name { font-size: 10.5px; min-height: 24px; }
  .collection-panel { padding: 20px 18px; }
  #unlock-banner { bottom: calc(20px + env(safe-area-inset-bottom)); }
  #unlock-banner .unlock-name { font-size: 15px; max-width: 200px; }
  /* Tighter tracking so "ACHIEVEMENT UNLOCKED" stays on one line. */
  #unlock-banner .unlock-eyebrow { letter-spacing: 0.13em; white-space: nowrap; }
}