/* ---- Fun chrome: sparkles, mode bar, XP toast ---- */
.learn-hero-sparkles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.learn-hero-sparkles span {
  position: absolute;
  top: -8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7dd3fc;
  opacity: 0.65;
  animation: learnSparkle linear infinite;
  box-shadow: 0 0 8px #7dd3fc;
}
@keyframes learnSparkle {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  15% { opacity: 0.8; }
  100% { transform: translateY(120px) scale(1.1); opacity: 0; }
}

.learn-mode-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
}
.learn-programming {
  display: grid;
  gap: 0.75rem;
}
.learn-programming[hidden] {
  display: none !important;
}
.learn-prog-sub-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
}
.learn-prog-sub-bar.is-locked .learn-prog-btn[data-prog="map"] {
  opacity: 0.72;
}
.learn-prog-btn {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid rgba(11, 107, 203, 0.34);
  background: rgba(11, 107, 203, 0.08);
  color: var(--alb-accent-deep);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  transition: background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}
.learn-prog-btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}
.learn-prog-btn.on {
  background: #0b6bcb;
  color: #fff;
  border-color: #0b6bcb;
}
.learn-prog-btn:hover:not(:disabled) { transform: translateY(-1px); }
.learn-mode-btn {
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: #e8f1fb;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  transition: background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}
.learn-mode-btn:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}
.learn-mode-btn[data-mode="arcade"]    { background: #ffe4e6; color: #be123c; border-color: #fda4af; }
.learn-mode-btn[data-mode="math"]       { background: #e0f2fe; color: #0369a1; border-color: #7dd3fc; }
.learn-mode-btn[data-mode="philosophy"] { background: #f3e8ff; color: #7e22ce; border-color: #d8b4fe; }
.learn-mode-btn[data-mode="programming"]{ background: #e0f2fe; color: #0284c7; border-color: #7dd3fc; }
.learn-mode-btn[data-mode="science"]    { background: #fef3c7; color: #b45309; border-color: #fcd34d; }
.learn-mode-btn.on {
  background: #7dd3fc !important;
  color: #102a43 !important;
  border-color: #7dd3fc !important;
}
.learn-mode-btn:hover:not(:disabled) { transform: translateY(-1px); }

.learn-path-note {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  color: var(--alb-muted);
  line-height: 1.35;
}

.learn-foundation-meter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.5rem;
  padding: 0.2rem 0.55rem;
  margin-bottom: 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  color: #0b6bcb;
  background:
    linear-gradient(#dbeafe, #dbeafe) left / var(--pct, 0%) 100% no-repeat,
    #eef2f7;
  border: 1px solid #bfdbfe;
}

.learn-map-unlock-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-left: auto;
}
.learn-map-unlock .learn-btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #e8f1fb;
  border: 1px solid rgba(255,255,255,0.25);
}

.learn-constellation-side {
  display: grid;
  gap: 0.45rem;
  justify-items: end;
}
.learn-debug-unlock {
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #7a3e00;
  background: linear-gradient(180deg, #ffe8a3, #f5c84b);
  border: 1px solid #c99212;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.55) inset;
}
.learn-debug-unlock:hover {
  filter: brightness(1.04);
}
.learn-debug-unlock:focus-visible {
  outline: 2px solid #0b6bcb;
  outline-offset: 2px;
}
.learn-debug-unlock[hidden] {
  display: none !important;
}
.learn-map-hud {
  font-size: 0.82rem;
  font-weight: 800;
  color: #0b6bcb;
  background: #eef6ff;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}

.learn-map-svg {
  width: 1360px;
  min-width: 100%;
  height: auto;
  display: block;
}

.map-cluster {
  fill: rgba(148, 163, 184, 0.55);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  pointer-events: none;
}

.map-hit {
  fill: transparent;
}

.map-node.is-lock {
  opacity: 0.85;
}

.learn-back-map {
  justify-self: start;
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  border: 0;
  background: transparent;
  color: var(--alb-accent);
  cursor: pointer;
  padding: 0.2rem 0;
  margin-bottom: 0.25rem;
}
.learn-back-map:hover { text-decoration: underline; }

.learn-map-unlock {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  background:
    url("./images/banner-unlock.svg") center / cover no-repeat,
    radial-gradient(circle at 0% 50%, rgba(124, 255, 178, 0.25), transparent 45%),
    linear-gradient(135deg, #102a43, #0b6bcb);
  color: #e8f1fb;
  animation: learnCardIn 0.45s ease both, learnPulseBorder 2.4s ease-in-out infinite;
  box-shadow: 0 12px 32px rgba(11, 107, 203, 0.28);
}
.learn-map-unlock[hidden] { display: none !important; }
.learn-map-unlock strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
  color: #fff;
}
.learn-map-unlock span {
  font-size: 0.9rem;
  color: #c9d6e5;
}
.learn-map-unlock img {
  animation: learnBob 2.2s ease-in-out infinite;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.3));
}
@keyframes learnPulseBorder {
  0%, 100% { box-shadow: 0 12px 32px rgba(11, 107, 203, 0.28); }
  50% { box-shadow: 0 12px 36px rgba(124, 255, 178, 0.35); }
}

.learn-xp-toast {
  position: fixed;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: #102a43;
  color: #7dd3fc;
  font-weight: 800;
  font-size: 1rem;
  pointer-events: none;
  box-shadow: 0 10px 28px rgba(16, 42, 67, 0.35);
}
.learn-xp-toast.pop {
  animation: learnXpPop 1.1s ease both;
}
@keyframes learnXpPop {
  0% { opacity: 0; transform: translate(-50%, 12px) scale(0.9); }
  20% { opacity: 1; transform: translate(-50%, 0) scale(1.05); }
  100% { opacity: 0; transform: translate(-50%, -24px) scale(1); }
}