:root {
  --brick-navy: #102746;
  --brick-navy-deep: #08182f;
  --brick-primary: #ef7d43;
  --brick-sky: #8ce8ff;
  --brick-sky-deep: #48b8e0;
  --brick-gold: #f4b53f;
  --brick-coral: #ef7d43;
  --brick-mint: #8de3b1;
  --brick-cream: #fffaf0;
  --brick-cream-strong: #fffef9;
  --brick-ink: #183150;
  --brick-muted: #61738f;
  --brick-line: rgba(16, 39, 70, 0.12);
  --brick-shadow: 0 24px 60px rgba(16, 39, 70, 0.12);
  --brick-panel: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 248, 252, 0.98));
  --brick-panel-dark: linear-gradient(160deg, rgba(10, 24, 48, 0.96), rgba(18, 49, 80, 0.92));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--brick-ink);
  font-family: "Space Grotesk", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(244, 181, 63, 0.12), transparent 16%),
    radial-gradient(circle at right center, rgba(140, 232, 255, 0.12), transparent 14%),
    linear-gradient(180deg, #0d2443 0%, #102746 34%, #0c203b 100%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.brick-hero {
  position: relative;
  overflow: hidden;
  padding: 1.7rem clamp(1rem, 2vw, 2rem) 4rem;
  background:
    radial-gradient(circle at 12% 16%, rgba(244, 181, 63, 0.16), transparent 18%),
    radial-gradient(circle at 88% 14%, rgba(140, 232, 255, 0.14), transparent 18%),
    linear-gradient(135deg, rgba(8, 24, 47, 1), rgba(16, 39, 70, 0.98) 55%, rgba(25, 63, 98, 0.96));
  color: #fff;
}

.brick-hero::before,
.brick-hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.brick-hero::before {
  top: 6rem;
  left: -4rem;
  width: 12rem;
  height: 12rem;
  border: 18px solid rgba(140, 232, 255, 0.08);
}

.brick-hero::after {
  right: -2rem;
  bottom: 8rem;
  width: 10rem;
  height: 10rem;
  border: 16px solid rgba(244, 181, 63, 0.08);
}

.brick-topbar {
  position: relative;
  z-index: 2;
}

.brick-links a {
  color: rgba(255, 255, 255, 0.84);
}

.brick-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.72rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.brick-link:hover,
.brick-link:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.brick-link-cta {
  background: linear-gradient(135deg, rgba(244, 181, 63, 0.22), rgba(239, 125, 67, 0.22));
}

.brick-hero-layout {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 1.8rem auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
  gap: 2rem;
  align-items: center;
}

.brick-copy h1 {
  margin: 0;
  max-width: 12ch;
  font-family: "Fraunces", serif;
  font-size: clamp(3rem, 6.2vw, 5.3rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.brick-kicker {
  margin: 0 0 0.9rem;
  color: var(--brick-gold);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brick-text {
  max-width: 60ch;
  margin: 1.2rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
  line-height: 1.74;
}

.brick-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.brick-actions {
  margin-top: 1.6rem;
}

.brick-hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.9rem;
  padding: 0.95rem 1.45rem;
  border-radius: 22px;
  border: 1px solid transparent;
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.brick-hero-button:hover,
.brick-hero-button:focus-visible {
  transform: translateY(-2px);
}

.brick-hero-button-primary,
.button-primary {
  background: linear-gradient(135deg, var(--brick-coral), #ec5f74 55%, #f4b53f 120%);
  color: #fff;
  box-shadow: 0 20px 36px rgba(239, 125, 67, 0.26);
}

.brick-hero-button-secondary,
.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.brick-stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin-top: 1.8rem;
}

.brick-stat-row article,
.hero-mini-card {
  padding: 1rem 1.1rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.brick-stat-row strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.12rem;
}

.brick-stat-row span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
  line-height: 1.45;
}

.brick-hero-panel {
  display: grid;
  gap: 1rem;
}

.hero-stage-card {
  position: relative;
  overflow: hidden;
  padding: 1.4rem;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(circle at top right, rgba(140, 232, 255, 0.2), transparent 28%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  box-shadow: 0 26px 70px rgba(2, 14, 30, 0.26);
}

.hero-stage-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -3rem;
  height: 6rem;
  background: linear-gradient(180deg, rgba(10, 24, 48, 0), rgba(10, 24, 48, 0.78));
  filter: blur(18px);
}

.hero-stage-copy,
.hero-stage-visual,
.hero-stage-tags {
  position: relative;
  z-index: 1;
}

.hero-stage-kicker,
.machine-badge,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.7rem;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--brick-gold);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-stage-copy h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: 2.05rem;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-stage-copy p:last-child {
  margin: 0.85rem 0 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.hero-stage-visual {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(6, 19, 38, 0.28));
}

.hero-stage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.95rem;
}

.hero-tag {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.hero-poster-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(170px, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
  padding: 1rem;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(circle at top right, rgba(244, 181, 63, 0.18), transparent 28%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.06));
  box-shadow: 0 22px 50px rgba(2, 14, 30, 0.22);
}

.hero-poster-art {
  min-height: 220px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(12, 24, 43, 0.06), rgba(12, 24, 43, 0.24)),
    url("./hero-lab-scene.svg") center/cover no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hero-poster-copy {
  display: grid;
  align-content: center;
  gap: 0.7rem;
}

.hero-poster-copy h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: 1.75rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.hero-poster-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.poster-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.poster-pill {
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-mini-card strong {
  display: block;
  margin-bottom: 0.35rem;
}

.hero-mini-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  line-height: 1.45;
}

.brick-shell {
  width: min(1280px, calc(100% - 2rem));
  margin: -1.9rem auto 0;
  position: relative;
  z-index: 3;
}

.section {
  margin-bottom: 1.5rem;
  border-radius: 34px;
}

.section-band {
  padding: 2rem clamp(1.1rem, 2.4vw, 2rem);
  background:
    radial-gradient(circle at top left, rgba(140, 232, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(13, 34, 62, 0.98), rgba(15, 39, 72, 0.98));
  border: 1px solid rgba(140, 232, 255, 0.12);
  box-shadow: 0 28px 60px rgba(1, 9, 22, 0.28);
}

.section-surface {
  padding: 2rem clamp(1.1rem, 2.4vw, 2rem);
  background:
    radial-gradient(circle at top right, rgba(244, 181, 63, 0.06), transparent 26%),
    linear-gradient(180deg, rgba(14, 36, 66, 0.99), rgba(11, 30, 55, 0.98));
  border: 1px solid rgba(140, 232, 255, 0.12);
  box-shadow: 0 28px 60px rgba(1, 9, 22, 0.3);
}

.section-heading {
  max-width: 74ch;
  margin-bottom: 1.5rem;
}

.section-heading.center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: #fff;
}

.section-heading p:last-child {
  margin: 0.85rem 0 0;
  color: rgba(226, 236, 255, 0.74);
  font-size: 1.03rem;
  line-height: 1.7;
}

.path-grid,
.teacher-grid {
  display: grid;
  gap: 1rem;
}

.path-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.path-card {
  padding: 1.2rem;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(16, 39, 70, 0.95), rgba(24, 59, 94, 0.92));
  color: #fff;
  box-shadow: 0 18px 44px rgba(16, 39, 70, 0.18);
}

.path-card h3 {
  margin: 0.8rem 0 0.45rem;
  font-size: 1.15rem;
}

.path-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.55;
}

.section-quest-showcase {
  background:
    radial-gradient(circle at top left, rgba(140, 232, 255, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(14, 36, 66, 0.99), rgba(11, 30, 55, 0.98));
}

.quest-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.quest-card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(16, 39, 70, 0.08);
  background: linear-gradient(180deg, rgba(26, 58, 96, 0.94), rgba(13, 32, 58, 0.96));
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.quest-card:hover,
.quest-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 24px 42px rgba(16, 39, 70, 0.14);
  border-color: rgba(16, 39, 70, 0.16);
}

.quest-card-media {
  position: relative;
  min-height: 250px;
  padding: 1rem;
  display: grid;
  place-items: center;
}

.quest-card-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.4), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(9, 20, 41, 0.14));
}

.quest-card-machine .quest-card-media {
  background: linear-gradient(145deg, rgba(12, 29, 56, 1), rgba(20, 60, 98, 0.94));
}

.quest-machine-stage,
.quest-card-media-art {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 22px;
}

.quest-card-media-upgrade {
  background:
    linear-gradient(180deg, rgba(10, 24, 47, 0.22), rgba(10, 24, 47, 0.54)),
    url("../launchpad-art/brick-story.svg") 42% 45%/155% no-repeat,
    linear-gradient(135deg, #5ec9ff, #ef7d43 62%, #f4b53f);
}

.quest-card-media-story {
  background:
    linear-gradient(180deg, rgba(10, 24, 47, 0.18), rgba(10, 24, 47, 0.52)),
    url("../launchpad-art/brick-story.svg") center/cover no-repeat;
}

.quest-card-copy {
  padding: 1rem 1.1rem 1.15rem;
}

.quest-chip {
  display: inline-flex;
  margin-bottom: 0.55rem;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: rgba(239, 125, 67, 0.12);
  color: var(--brick-coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quest-card h3 {
  margin: 0 0 0.35rem;
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
  line-height: 1.08;
  color: #fff;
}

.quest-card p {
  margin: 0;
  color: rgba(226, 236, 255, 0.76);
  line-height: 1.58;
}

.path-number {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--brick-gold), var(--brick-coral));
  color: var(--brick-navy);
  font-weight: 800;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 1rem;
  align-items: start;
}

.upgrade-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
}

.panel {
  padding: 1.25rem;
  border-radius: 28px;
  border: 1px solid rgba(140, 232, 255, 0.12);
  background: linear-gradient(180deg, rgba(21, 47, 80, 0.98), rgba(13, 31, 56, 0.99));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  color: #fff;
}

.panel-head {
  margin-bottom: 1rem;
}

.panel-head.small {
  margin-top: 1.2rem;
}

.panel-head h3 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.16;
}

.panel-head p {
  margin: 0.45rem 0 0;
  color: rgba(226, 236, 255, 0.72);
  line-height: 1.55;
}

.field {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.field > span {
  font-size: 0.94rem;
  font-weight: 700;
  color: #e7f0ff;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(140, 232, 255, 0.18);
  border-radius: 18px;
  background: rgba(9, 25, 46, 0.86);
  color: #eef5ff;
  padding: 0.95rem 1rem;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(72, 184, 224, 0.85);
  box-shadow: 0 0 0 4px rgba(140, 232, 255, 0.2);
}

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.swatch-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(140, 232, 255, 0.12);
  border-radius: 999px;
  background: rgba(9, 25, 46, 0.82);
  color: #eef5ff;
  font-size: 0.92rem;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.swatch-button:hover,
.swatch-button:focus-visible,
.swatch-button.is-selected {
  transform: translateY(-1px);
  border-color: rgba(16, 39, 70, 0.24);
  box-shadow: 0 10px 22px rgba(16, 39, 70, 0.1);
}

.swatch-dot {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.86);
  box-shadow: 0 0 0 1px rgba(16, 39, 70, 0.16);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.9rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 18px;
  font-size: 0.98rem;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-secondary {
  background: linear-gradient(180deg, rgba(16, 39, 70, 0.96), rgba(24, 59, 94, 0.92));
  color: #fff;
  border-color: rgba(16, 39, 70, 0.12);
}

.button-ghost {
  background: rgba(16, 39, 70, 0.06);
  border-color: rgba(16, 39, 70, 0.08);
  color: var(--brick-ink);
}

.kid-tip,
.machine-card,
.upgrade-board,
.world-board,
.share-board {
  border-radius: 24px;
}

.kid-tip {
  margin-top: 0.95rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(244, 181, 63, 0.14), rgba(140, 232, 255, 0.12));
  border: 1px solid rgba(140, 232, 255, 0.14);
}

.kid-tip strong {
  display: block;
  margin-bottom: 0.3rem;
  color: #fff;
}

.kid-tip p {
  margin: 0;
  color: rgba(231, 240, 255, 0.82);
  line-height: 1.55;
}

.machine-card,
.upgrade-board,
.world-board,
.share-board {
  padding: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 249, 254, 0.98));
  border: 1px solid rgba(16, 39, 70, 0.08);
  color: var(--brick-ink);
}

.machine-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.92fr) minmax(0, 1.08fr);
  gap: 1rem;
}

.machine-visual,
.share-mini-visual {
  display: grid;
  place-items: center;
  min-height: 250px;
  padding: 1rem;
  border-radius: 22px;
  background:
    radial-gradient(circle at top, rgba(140, 232, 255, 0.28), transparent 30%),
    linear-gradient(180deg, rgba(16, 39, 70, 0.05), rgba(16, 39, 70, 0.01));
}

.machine-copy h3,
.world-header h3,
.share-top h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: 2rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.machine-copy p,
.share-top p,
.scene-card p,
.world-grid p {
  color: rgba(231, 240, 255, 0.76);
  line-height: 1.62;
}

.machine-card .machine-copy h3,
.upgrade-board .upgrade-header h3,
.world-board .world-header h3,
.share-board .share-top h3 {
  color: var(--brick-navy);
}

.machine-card .machine-copy p,
.machine-card .machine-copy li,
.upgrade-board > p,
.world-board .world-grid p,
.world-board .scene-card p,
.share-board .share-top p,
.share-board .share-grid p,
.share-board .share-quote,
.world-board .world-chip {
  color: var(--brick-muted);
}

.machine-facts,
.upgrade-columns ul,
.presentation-list {
  margin: 0;
  padding-left: 1.1rem;
}

.machine-facts li,
.upgrade-columns li,
.presentation-list li {
  margin-bottom: 0.55rem;
  color: rgba(231, 240, 255, 0.82);
  line-height: 1.55;
}

.stats-grid,
.world-grid,
.share-grid,
.glossary-grid {
  display: grid;
  gap: 0.85rem;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1rem 0;
}

.stats-grid article {
  padding: 0.95rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(16, 39, 70, 0.95), rgba(18, 55, 87, 0.9));
  color: #fff;
}

.stats-grid span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stats-grid strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.55rem;
}

.prompt-field textarea {
  background: #0f243f;
  color: rgba(255, 255, 255, 0.88);
  border-color: rgba(16, 39, 70, 0.24);
  min-height: 9rem;
}

.challenge-stack,
.toggle-grid,
.favorites-list,
.checklist,
.prompt-bank,
.timeline-grid {
  display: grid;
  gap: 0.8rem;
}

.challenge-option,
.toggle-chip,
.favorite-card,
.check-row,
.prompt-card,
.timeline-card {
  border-radius: 22px;
}

.challenge-option {
  width: 100%;
  padding: 1rem;
  border: 1px solid rgba(16, 39, 70, 0.12);
  background: rgba(255, 255, 255, 0.96);
  color: var(--brick-ink);
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.challenge-option:hover,
.challenge-option:focus-visible,
.challenge-option.is-selected {
  transform: translateY(-1px);
  border-color: rgba(239, 125, 67, 0.28);
  box-shadow: 0 12px 26px rgba(16, 39, 70, 0.08);
}

.challenge-option strong {
  display: block;
  margin-bottom: 0.35rem;
}

.challenge-option p {
  margin: 0;
  color: var(--brick-muted);
  line-height: 1.55;
}

.toggle-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.toggle-chip {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(140, 232, 255, 0.12);
  background: rgba(9, 25, 46, 0.7);
}

.toggle-chip input {
  width: 1.1rem;
  height: 1.1rem;
}

.upgrade-header,
.world-header,
.share-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.upgrade-score,
.world-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(244, 181, 63, 0.22), rgba(239, 125, 67, 0.2));
  color: var(--brick-ink);
  font-weight: 700;
}

.upgrade-board p {
  margin-top: 0.7rem;
  color: var(--brick-muted);
  line-height: 1.65;
}

.upgrade-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
  margin: 1rem 0;
}

.upgrade-columns article,
.world-grid article,
.share-grid article,
.favorite-card,
.timeline-card,
.prompt-card,
.glossary-grid article {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(9, 25, 46, 0.84);
  border: 1px solid rgba(140, 232, 255, 0.12);
}

.upgrade-columns h4,
.world-grid h4,
.share-grid h4,
.scene-card h4,
.glossary-grid strong {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: #fff;
}

.prompt-card h4,
.timeline-card h4 {
  display: block;
  margin-bottom: 0.35rem;
  color: #fff;
}

.prompt-card p,
.timeline-card p,
.glossary-grid article p,
.favorite-card p {
  color: rgba(231, 240, 255, 0.74);
}

.check-row {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.95rem;
  background: rgba(9, 25, 46, 0.72);
  border: 1px solid rgba(140, 232, 255, 0.12);
}

.check-row input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.18rem;
}

.check-row p {
  margin: 0.2rem 0 0;
  color: rgba(231, 240, 255, 0.68);
  line-height: 1.45;
}

.check-row strong {
  color: #fff;
}

.world-grid,
.share-grid,
.glossary-grid,
.teacher-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.scene-card,
.share-quote {
  margin-top: 0.9rem;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(140, 232, 255, 0.16), rgba(244, 181, 63, 0.16));
  border: 1px solid rgba(16, 39, 70, 0.08);
  border-radius: 22px;
}

.share-top {
  margin-bottom: 0.85rem;
}

.share-mini-visual {
  min-height: 180px;
  min-width: min(240px, 36vw);
}

.share-quote {
  font-size: 1rem;
  font-weight: 600;
  color: var(--brick-ink);
  line-height: 1.6;
}

.favorite-card {
  display: grid;
  gap: 0.75rem;
}

.favorite-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.favorite-card h4 {
  margin: 0;
  font-size: 1.08rem;
}

.favorite-card p {
  margin: 0;
  color: var(--brick-muted);
  line-height: 1.55;
}

.favorite-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tiny-button {
  padding: 0.65rem 0.85rem;
  border-radius: 14px;
  border: 1px solid rgba(16, 39, 70, 0.1);
  background: rgba(16, 39, 70, 0.05);
  color: var(--brick-ink);
  font-size: 0.88rem;
  font-weight: 700;
}

.tiny-button:hover,
.tiny-button:focus-visible {
  background: rgba(16, 39, 70, 0.1);
}

.teacher-grid {
  gap: 1rem;
}

.teacher-panel {
  min-height: 100%;
}

.teacher-command-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  align-items: start;
}

.teacher-panel-wide {
  grid-row: span 2;
}

.teacher-panel-tall .prompt-bank {
  gap: 0.7rem;
}

.coach-list li {
  margin-bottom: 0.75rem;
}

.glossary-grid-tight {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.academy-grid {
  align-items: stretch;
}

.academy-panel {
  position: relative;
  overflow: hidden;
}

.academy-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 192, 242, 0.14), rgba(88, 192, 242, 0));
  pointer-events: none;
}

.academy-links {
  margin-bottom: 1rem;
}

.academy-links a,
.brick-footer-links a {
  color: var(--brick-ink);
  font-weight: 700;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.academy-links a:hover,
.academy-links a:focus-visible,
.brick-footer-links a:hover,
.brick-footer-links a:focus-visible {
  color: var(--brick-primary);
}

.academy-note {
  margin: 0;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: rgba(88, 192, 242, 0.12);
  border: 1px solid rgba(88, 192, 242, 0.2);
  color: var(--brick-ink);
  line-height: 1.65;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-list article {
  padding: 1rem 1.05rem;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(16, 39, 70, 0.08);
  box-shadow: 0 12px 28px rgba(16, 39, 70, 0.06);
}

.faq-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.faq-list p {
  margin: 0;
  color: var(--brick-muted);
  line-height: 1.6;
}

.timeline-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.timeline-card span {
  display: inline-flex;
  margin-bottom: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(16, 39, 70, 0.06);
  color: var(--brick-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brick-footer {
  margin-top: 2rem;
  background: transparent;
  color: rgba(226, 236, 255, 0.68);
}

.brick-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin: 0.5rem 0 0;
}

.toast-region {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  display: grid;
  gap: 0.75rem;
}

.toast {
  min-width: min(22rem, calc(100vw - 2rem));
  padding: 0.95rem 1rem;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16, 39, 70, 0.98), rgba(22, 52, 85, 0.95));
  color: #fff;
  box-shadow: 0 16px 34px rgba(7, 17, 32, 0.28);
}

.toast strong {
  display: block;
  margin-bottom: 0.2rem;
}

.machine-svg {
  width: 100%;
  height: auto;
}

@media print {
  body {
    background: #fff;
  }

  .brick-topbar,
  .hero-mini-grid,
  .button-row,
  .favorites-list,
  .teacher-panel:not(:first-child),
  .toast-region,
  .aiedge-language-switcher {
    display: none !important;
  }

  .brick-hero,
  .section,
  .panel,
  .share-board {
    background: #fff !important;
    box-shadow: none !important;
    color: #000 !important;
    border-color: #d9d9d9 !important;
  }

  .brick-shell {
    width: 100%;
    margin: 0;
  }

  .share-board {
    break-inside: avoid;
  }
}

@media (max-width: 1100px) {
  .brick-hero-layout,
  .workspace-grid,
  .upgrade-grid {
    grid-template-columns: 1fr;
  }

  .hero-poster-card,
  .teacher-command-grid {
    grid-template-columns: 1fr;
  }

  .hero-mini-grid,
  .path-grid,
  .quest-gallery,
  .stats-grid,
  .world-grid,
  .share-grid,
  .glossary-grid,
  .teacher-grid,
  .timeline-grid {
    grid-template-columns: 1fr 1fr;
  }

  .machine-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .brick-hero {
    padding-inline: 1rem;
    padding-bottom: 2.8rem;
  }

  .brick-shell {
    width: min(100% - 1rem, 1280px);
    margin-top: -1.1rem;
  }

  .brick-stat-row,
  .hero-mini-grid,
  .path-grid,
  .quest-gallery,
  .stats-grid,
  .world-grid,
  .share-grid,
  .glossary-grid,
  .teacher-grid,
  .timeline-grid,
  .toggle-grid,
  .upgrade-columns {
    grid-template-columns: 1fr;
  }

  .section {
    border-radius: 26px;
  }

  .panel,
  .hero-stage-card,
  .hero-poster-card,
  .machine-card,
  .upgrade-board,
  .world-board,
  .share-board {
    border-radius: 24px;
  }

  .hero-poster-card {
    grid-template-columns: 1fr;
  }

  .machine-copy h3,
  .world-header h3,
  .share-top h3 {
    font-size: 1.55rem;
  }

  .upgrade-header,
  .world-header,
  .share-top,
  .favorite-top {
    flex-direction: column;
  }

  .share-mini-visual {
    min-width: 0;
    width: 100%;
  }

  .button,
  .brick-hero-button {
    width: 100%;
  }
}