:root {
  color-scheme: dark;
  --ink: #f4f7eb;
  --muted: #9ead9f;
  --dim: #718077;
  --night: #07130f;
  --night-soft: #0b1b15;
  --panel: rgba(13, 31, 24, 0.86);
  --panel-solid: #0d1f18;
  --line: rgba(216, 241, 223, 0.12);
  --line-bright: rgba(216, 241, 223, 0.22);
  --lime: #b7f34a;
  --lime-soft: rgba(183, 243, 74, 0.14);
  --aqua: #5de4c7;
  --aqua-soft: rgba(93, 228, 199, 0.14);
  --orange: #ffae57;
  --orange-soft: rgba(255, 174, 87, 0.14);
  --violet: #c8a6ff;
  --violet-soft: rgba(200, 166, 255, 0.14);
  --danger: #ff827c;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --sans: ui-rounded, "Avenir Next", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(rgba(183, 243, 74, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 243, 74, 0.024) 1px, transparent 1px),
    var(--night);
  background-size: 42px 42px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 15, 0.1), #07130f 78%);
  content: "";
  pointer-events: none;
}

button,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

code,
pre {
  font-family: var(--mono);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--night);
  background: var(--lime);
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  opacity: 0.13;
  filter: blur(100px);
  pointer-events: none;
}

.ambient-one {
  top: -240px;
  right: 6%;
  background: var(--lime);
}

.ambient-two {
  top: 48%;
  left: -320px;
  background: var(--aqua);
}

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: grid;
  grid-template-columns: 1fr minmax(220px, 360px) 1fr;
  align-items: center;
  min-height: 78px;
  padding: 12px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 19, 15, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 12px;
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 0 30px rgba(183, 243, 74, 0.16);
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -1px;
}

.brand-mark span {
  font-size: 12px;
  vertical-align: super;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.header-progress {
  width: 100%;
  justify-self: center;
}

.header-progress > span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.progress-track {
  width: 100%;
  height: 5px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
}

.progress-track > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lime), var(--aqua));
  box-shadow: 0 0 12px rgba(183, 243, 74, 0.35);
  transition: width 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.xp-pill {
  display: flex;
  align-items: baseline;
  gap: 5px;
  padding: 8px 13px;
  border: 1px solid rgba(183, 243, 74, 0.24);
  border-radius: 99px;
  color: var(--lime);
  background: var(--lime-soft);
  font-family: var(--mono);
  font-size: 12px;
}

.xp-pill strong {
  font-size: 15px;
}

.xp-spark {
  animation: breathe 2.6s ease-in-out infinite;
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  cursor: pointer;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  transition: 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  border-color: var(--line-bright);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
  transform: rotate(-18deg);
}

#app {
  width: min(1240px, calc(100% - 40px));
  min-height: calc(100vh - 160px);
  margin: 0 auto;
  outline: none;
}

.home-view,
.lesson-view {
  animation: view-in 360ms ease both;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: clamp(32px, 7vw, 100px);
  min-height: 540px;
  padding: 70px 0 54px;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1 {
  max-width: 750px;
  margin: 0;
  font-size: clamp(52px, 8vw, 104px);
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 0.93;
}

.hero h1 em {
  color: var(--lime);
  font-family: var(--mono);
  font-style: normal;
  font-weight: 400;
  letter-spacing: -0.08em;
}

.hero-lede {
  max-width: 630px;
  margin: 26px 0 0;
  color: #b8c5b9;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.primary-button,
.secondary-button,
.text-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  border-radius: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.primary-button {
  padding: 12px 20px;
  border: 1px solid var(--lime);
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 10px 30px rgba(183, 243, 74, 0.12);
}

.primary-button:hover,
.primary-button:focus-visible {
  outline: none;
  transform: translateY(-2px);
}

.primary-button .arrow,
.secondary-button .arrow {
  font-family: var(--mono);
  font-size: 18px;
}

.secondary-button {
  padding: 11px 18px;
  border: 1px solid var(--line-bright);
  background: rgba(255, 255, 255, 0.03);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  border-color: var(--lime);
  outline: none;
  transform: translateY(-2px);
}

.text-button {
  min-height: auto;
  padding: 5px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 15px;
}

.text-button:hover,
.text-button:focus-visible {
  color: var(--ink);
  outline: none;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 27px 0 0;
  padding: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
  list-style: none;
}

.hero-facts li::before {
  margin-right: 7px;
  color: var(--aqua);
  content: "✓";
}

.hero-visual {
  position: relative;
  min-height: 380px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(33vw, 390px);
  aspect-ratio: 1;
  border: 1px solid rgba(183, 243, 74, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: orbit-turn 24s linear infinite;
}

.orbit::before,
.orbit::after {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 20px var(--lime);
  content: "";
}

.orbit::before {
  top: 12%;
  right: 13%;
}

.orbit::after {
  bottom: 3%;
  left: 36%;
  width: 5px;
  height: 5px;
  background: var(--aqua);
}

.robot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 210px;
  height: 230px;
  transform: translate(-50%, -50%);
  animation: robot-float 4s ease-in-out infinite;
}

.robot-antenna {
  position: absolute;
  top: 2px;
  left: 50%;
  width: 2px;
  height: 32px;
  background: var(--line-bright);
}

.robot-antenna::after {
  position: absolute;
  top: -6px;
  left: -5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 18px var(--orange);
  content: "";
}

.robot-head {
  position: absolute;
  top: 32px;
  left: 28px;
  width: 154px;
  height: 115px;
  border: 1px solid var(--line-bright);
  border-radius: 34px;
  background: linear-gradient(145deg, #1a382b, #0c2018);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.08), var(--shadow);
}

.robot-face {
  position: absolute;
  inset: 23px 19px 27px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 27px;
  border: 1px solid rgba(93, 228, 199, 0.23);
  border-radius: 22px;
  background: #06100c;
}

.robot-eye {
  width: 13px;
  height: 20px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 17px rgba(93, 228, 199, 0.8);
  animation: robot-blink 4.5s infinite;
}

.robot-mouth {
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 24px;
  height: 7px;
  border-bottom: 2px solid var(--lime);
  border-radius: 0 0 50% 50%;
  transform: translateX(-50%);
}

.robot-ear {
  position: absolute;
  top: 67px;
  width: 12px;
  height: 38px;
  border: 1px solid var(--line-bright);
  background: #153326;
}

.robot-ear.left {
  left: 16px;
  border-radius: 8px 2px 2px 8px;
}

.robot-ear.right {
  right: 16px;
  border-radius: 2px 8px 8px 2px;
}

.robot-body {
  position: absolute;
  top: 159px;
  left: 47px;
  display: grid;
  width: 116px;
  height: 66px;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 18px 18px 28px 28px;
  background: #10291f;
}

.robot-body code {
  color: var(--lime);
  font-size: 18px;
}

.float-chip {
  position: absolute;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--muted);
  background: rgba(9, 25, 18, 0.9);
  box-shadow: var(--shadow);
  font-family: var(--mono);
  font-size: 12px;
  animation: chip-float 5s ease-in-out infinite;
}

.float-chip.one {
  top: 18%;
  left: -1%;
  color: var(--aqua);
}

.float-chip.two {
  right: 0;
  bottom: 19%;
  color: var(--orange);
  animation-delay: -2.2s;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(29px, 4vw, 44px);
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.section-heading p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
}

.course-map {
  padding: 50px 0 85px;
  scroll-margin-top: 100px;
}

.track-list {
  display: grid;
  gap: 16px;
}

.track {
  --track-color: var(--lime);
  --track-soft: var(--lime-soft);
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--track-soft), rgba(13, 31, 24, 0.72) 28%);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.track[data-color="aqua"] {
  --track-color: var(--aqua);
  --track-soft: var(--aqua-soft);
}

.track[data-color="orange"] {
  --track-color: var(--orange);
  --track-soft: var(--orange-soft);
}

.track[data-color="violet"] {
  --track-color: var(--violet);
  --track-soft: var(--violet-soft);
}

.track-meta {
  padding: 6px 6px 6px 2px;
}

.track-number {
  color: var(--track-color);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.track-meta h3 {
  margin: 14px 0 3px;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.track-meta p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.track-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 27px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
}

.track-status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--track-color);
  box-shadow: 0 0 10px var(--track-color);
  content: "";
}

.lesson-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.lesson-card {
  position: relative;
  min-height: 186px;
  overflow: hidden;
  padding: 19px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: inherit;
  background: rgba(5, 17, 12, 0.55);
  text-align: left;
  transition: 180ms ease;
}

.lesson-card:hover,
.lesson-card:focus-visible {
  border-color: color-mix(in srgb, var(--track-color), transparent 45%);
  background: rgba(13, 34, 25, 0.92);
  outline: none;
  transform: translateY(-4px);
}

.lesson-card.locked {
  cursor: default;
  opacity: 0.5;
}

.lesson-card.locked:hover {
  border-color: var(--line);
  background: rgba(5, 17, 12, 0.55);
  transform: none;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.lesson-index,
.lesson-state {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  color: var(--track-color);
  font-family: var(--mono);
  font-size: 12px;
}

.lesson-card.complete .lesson-state {
  border-color: var(--track-color);
  color: var(--night);
  background: var(--track-color);
}

.lesson-card h4 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -0.025em;
}

.lesson-card p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.lesson-time {
  position: absolute;
  right: 18px;
  bottom: 16px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.lesson-view {
  display: grid;
  grid-template-columns: 230px minmax(0, 720px) minmax(270px, 1fr);
  align-items: start;
  gap: clamp(24px, 3.4vw, 48px);
  padding: 46px 0 80px;
}

.lesson-nav {
  position: sticky;
  top: 106px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.back-link:hover {
  color: var(--ink);
}

.trail-label {
  margin: 0 0 13px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.trail-list {
  position: relative;
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trail-list::before {
  position: absolute;
  z-index: -1;
  top: 17px;
  bottom: 17px;
  left: 14px;
  width: 1px;
  background: var(--line);
  content: "";
}

.trail-item a,
.trail-item span {
  display: grid;
  grid-template-columns: 29px 1fr;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 4px 8px 4px 0;
  border-radius: 9px;
  color: var(--dim);
  font-size: 13px;
  text-decoration: none;
}

.trail-dot {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--night);
  font-family: var(--mono);
  font-size: 10px;
}

.trail-item.active a {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.035);
}

.trail-item.active .trail-dot {
  border-color: var(--lime);
  color: var(--night);
  background: var(--lime);
}

.trail-item.complete:not(.active) .trail-dot {
  border-color: rgba(183, 243, 74, 0.42);
  color: var(--lime);
}

.lesson-main {
  min-width: 0;
}

.lesson-heading {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.lesson-heading .eyebrow {
  margin-bottom: 14px;
}

.lesson-heading h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 68px);
  letter-spacing: -0.06em;
  line-height: 1;
}

.lesson-summary {
  max-width: 630px;
  margin: 20px 0 0;
  color: #b7c3b8;
  font-size: 17px;
  line-height: 1.7;
}

.lesson-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 22px 0 0;
  padding: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 12px;
  list-style: none;
  text-transform: uppercase;
}

.lesson-stats span {
  color: var(--lime);
}

.story-card {
  position: relative;
  margin: 34px 0;
  padding: 25px 27px 25px 70px;
  border: 1px solid rgba(93, 228, 199, 0.17);
  border-radius: var(--radius);
  background: linear-gradient(110deg, var(--aqua-soft), rgba(13, 31, 24, 0.55));
}

.story-card::before {
  position: absolute;
  top: 24px;
  left: 25px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(93, 228, 199, 0.3);
  border-radius: 50%;
  color: var(--aqua);
  content: "i";
  font-family: var(--mono);
  font-size: 14px;
}

.story-card p {
  margin: 0;
  color: #c5d4c8;
  line-height: 1.75;
}

.word-decoder {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  margin: -15px 0 30px;
  padding: 18px 20px;
  border: 1px solid rgba(200, 166, 255, 0.22);
  border-radius: var(--radius-sm);
  background: var(--violet-soft);
}

.word-decoder > span {
  color: var(--violet);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.word-decoder dl,
.word-decoder dd {
  margin: 0;
}

.word-decoder dl {
  display: grid;
  gap: 10px;
}

.word-decoder dl > div {
  display: grid;
  grid-template-columns: minmax(90px, 0.3fr) minmax(0, 1fr);
  gap: 12px;
}

.word-decoder dt {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
}

.word-decoder dd {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.learning-goals {
  margin: 0 0 38px;
  padding: 0;
  list-style: none;
}

.learning-goals li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin: 9px 0;
  color: var(--muted);
  font-size: 16px;
}

.learning-goals li::before {
  flex: 0 0 auto;
  color: var(--lime);
  content: "□";
  font-family: var(--mono);
}

.content-section {
  margin: 42px 0;
}

.content-section h2 {
  margin: 0 0 13px;
  font-size: 23px;
  letter-spacing: -0.035em;
}

.content-section p {
  margin: 0;
  color: #aebcaf;
  font-size: 15px;
  line-height: 1.8;
}

.memory-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 15px;
  margin: 36px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--orange-soft);
}

.memory-card span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.memory-card p {
  margin: 0;
  color: #d7d6c3;
  font-size: 15px;
}

.code-window {
  overflow: hidden;
  margin: 34px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #06100c;
  box-shadow: var(--shadow);
}

.code-toolbar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px 10px 17px;
  border-bottom: 1px solid var(--line);
  background: #0b1b15;
}

.code-title {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.window-dots {
  display: inline-flex;
  gap: 5px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dim);
}

.window-dots i:first-child {
  background: var(--orange);
}

.window-dots i:nth-child(2) {
  background: var(--lime);
}

.run-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  cursor: pointer;
  border: 1px solid rgba(183, 243, 74, 0.24);
  border-radius: 8px;
  color: var(--lime);
  background: var(--lime-soft);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
}

.run-button:hover,
.run-button:focus-visible {
  border-color: var(--lime);
  outline: none;
}

.code-window pre {
  overflow-x: auto;
  margin: 0;
  padding: 24px;
  color: #d7e2d8;
  font-size: 15px;
  line-height: 1.75;
  tab-size: 4;
}

.code-output {
  display: none;
  min-height: 70px;
  padding: 15px 20px 18px;
  border-top: 1px solid var(--line);
  color: var(--aqua);
  background: rgba(93, 228, 199, 0.035);
  font-family: var(--mono);
  font-size: 14px;
  white-space: pre-wrap;
}

.code-output.visible {
  display: block;
  animation: output-in 200ms ease both;
}

.code-output::before {
  display: block;
  margin-bottom: 8px;
  color: var(--dim);
  content: "OUTPUT";
  font-size: 10px;
  letter-spacing: 0.14em;
}

.mission-panel {
  position: sticky;
  top: 106px;
  overflow: hidden;
  border: 1px solid rgba(183, 243, 74, 0.2);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.mission-panel.completed {
  border-color: rgba(183, 243, 74, 0.48);
}

.mission-header {
  padding: 20px 21px 17px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, var(--lime-soft), transparent);
}

.mission-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mission-xp {
  padding: 3px 7px;
  border-radius: 99px;
  color: var(--night);
  background: var(--lime);
  letter-spacing: 0;
}

.mission-header h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.mission-body {
  padding: 21px;
}

.mission-prompt {
  margin: 0 0 17px;
  color: #bbc8bc;
  font-size: 15px;
  line-height: 1.65;
}

.mini-code {
  overflow-x: auto;
  margin: 0 0 17px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #d5e2d6;
  background: #06100c;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre;
}

.choice-list {
  display: grid;
  gap: 8px;
}

.choice-button {
  display: grid;
  grid-template-columns: 25px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 47px;
  padding: 8px 12px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #c2cec3;
  background: rgba(255, 255, 255, 0.025);
  font-size: 14px;
  text-align: left;
  transition: 150ms ease;
}

.choice-button:hover,
.choice-button:focus-visible {
  border-color: rgba(183, 243, 74, 0.4);
  outline: none;
  background: var(--lime-soft);
}

.choice-key {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
}

.choice-button.correct {
  border-color: var(--lime);
  color: var(--ink);
  background: var(--lime-soft);
}

.choice-button.wrong {
  border-color: rgba(255, 130, 124, 0.55);
  background: rgba(255, 130, 124, 0.08);
  animation: shake 300ms ease;
}

.code-editor-wrap {
  position: relative;
  margin-bottom: 14px;
}

.code-editor {
  display: block;
  width: 100%;
  min-height: 190px;
  resize: vertical;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #d7e2d8;
  background: #06100c;
  caret-color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  outline: none;
  tab-size: 4;
}

.code-editor:focus {
  border-color: rgba(183, 243, 74, 0.45);
  box-shadow: 0 0 0 3px rgba(183, 243, 74, 0.06);
}

.editor-tag {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--dim);
  background: #102219;
  font-family: var(--mono);
  font-size: 10px;
}

.mission-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
}

.mission-actions .primary-button {
  min-height: 41px;
  padding: 9px 14px;
  font-size: 14px;
}

.feedback {
  display: none;
  margin-top: 14px;
  padding: 12px 13px;
  border-radius: 9px;
  font-size: 13px;
  line-height: 1.55;
}

.feedback.visible {
  display: block;
}

.feedback.success {
  color: #dfffb1;
  background: var(--lime-soft);
}

.feedback.error {
  color: #ffc1be;
  background: rgba(255, 130, 124, 0.09);
}

.feedback.hint {
  color: #ffe0b6;
  background: var(--orange-soft);
}

.solution-box {
  display: none;
  margin-top: 12px;
}

.solution-box.visible {
  display: block;
}

.solution-box .mini-code {
  margin: 0;
  border-color: rgba(255, 174, 87, 0.2);
}

.completed-card {
  display: none;
  padding: 5px 0 0;
  text-align: center;
}

.mission-panel.completed .mission-form {
  display: none;
}

.mission-panel.completed .completed-card {
  display: block;
}

.complete-orb {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 4px auto 17px;
  place-items: center;
  border: 1px solid var(--lime);
  border-radius: 50%;
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 0 0 9px var(--lime-soft), 0 0 35px rgba(183, 243, 74, 0.2);
  font-size: 28px;
}

.completed-card h3 {
  margin: 0 0 7px;
  font-size: 19px;
}

.completed-card p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.completed-card .primary-button {
  width: 100%;
  min-height: 43px;
  font-size: 14px;
}

.lesson-next-mobile {
  display: none;
}

.achievement-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 38px;
}

.achievement {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.022);
}

.achievement span {
  display: block;
  margin-bottom: 7px;
  color: var(--lime);
  font-size: 18px;
}

.achievement strong {
  display: block;
  font-size: 14px;
}

.achievement small {
  color: var(--dim);
  font-size: 11px;
}

.achievement.locked {
  filter: grayscale(1);
  opacity: 0.42;
}

.site-footer {
  display: flex;
  width: min(1240px, calc(100% - 40px));
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
}

.site-footer code {
  color: var(--lime);
}

.site-footer p {
  margin: 0;
}

.toast-region {
  position: fixed;
  z-index: 80;
  right: 20px;
  bottom: 20px;
  display: grid;
  gap: 10px;
  width: min(340px, calc(100% - 40px));
}

.toast {
  padding: 15px 17px;
  border: 1px solid rgba(183, 243, 74, 0.35);
  border-radius: 12px;
  color: #ddf7b3;
  background: rgba(14, 37, 25, 0.96);
  box-shadow: var(--shadow);
  font-size: 14px;
  animation: toast-in 280ms ease both;
}

.modal-backdrop {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: grid;
  padding: 20px;
  place-items: center;
  background: rgba(2, 8, 5, 0.72);
  backdrop-filter: blur(8px);
}

.modal {
  width: min(430px, 100%);
  padding: 28px;
  border: 1px solid var(--line-bright);
  border-radius: var(--radius);
  background: var(--panel-solid);
  box-shadow: var(--shadow);
}

.modal h2 {
  margin: 0 0 10px;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.modal p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

.danger-button {
  padding: 10px 15px;
  cursor: pointer;
  border: 1px solid rgba(255, 130, 124, 0.42);
  border-radius: 11px;
  color: #ffd1ce;
  background: rgba(255, 130, 124, 0.1);
  font-weight: 700;
}

.hidden {
  display: none !important;
}

@keyframes view-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@keyframes output-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

@keyframes robot-float {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 10px)); }
}

@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes orbit-turn {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes robot-blink {
  0%, 45%, 51%, 100% { transform: scaleY(1); }
  48% { transform: scaleY(0.08); }
}

@keyframes breathe {
  50% { opacity: 0.55; transform: scale(0.88); }
}

@keyframes shake {
  25% { transform: translateX(-3px); }
  50% { transform: translateX(3px); }
  75% { transform: translateX(-2px); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1100px) {
  .lesson-view {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .mission-panel {
    position: relative;
    top: auto;
    grid-column: 2;
    width: min(100%, 620px);
  }

  .track {
    grid-template-columns: 190px 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-progress {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
  }

  .header-progress > span {
    display: none;
  }

  .header-progress .progress-track {
    height: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 60px;
  }

  .hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero-visual {
    min-height: 300px;
  }

  .orbit {
    width: 310px;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    margin-top: 10px;
  }

  .track {
    grid-template-columns: 1fr;
  }

  .track-meta {
    display: grid;
    grid-template-columns: 1fr auto;
  }

  .track-meta h3,
  .track-meta p {
    grid-column: 1;
  }

  .track-status {
    grid-column: 2;
    grid-row: 1 / span 3;
    margin: 0;
  }

  .lesson-view {
    grid-template-columns: 1fr;
  }

  .lesson-nav {
    position: relative;
    top: auto;
  }

  .trail-list {
    display: flex;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .trail-list::before {
    display: none;
  }

  .trail-item {
    flex: 0 0 auto;
  }

  .trail-item a,
  .trail-item span {
    grid-template-columns: 29px auto;
    padding-right: 12px;
  }

  .mission-panel {
    grid-column: 1;
    width: 100%;
  }
}

.syntax-guide,
.type-toy-box {
  margin: 42px 0;
  padding: 24px;
  border: 1px solid rgba(93, 228, 199, 0.2);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(93, 228, 199, 0.08), rgba(7, 19, 15, 0.7));
}

.syntax-guide h2,
.type-toy-box h2 {
  margin: 5px 0 20px;
  font-size: 24px;
}

.syntax-guide > pre {
  margin: 0 0 18px;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid rgba(183, 243, 74, 0.22);
  border-radius: 14px;
  color: var(--lime);
  background: #050d0a;
  font-size: clamp(17px, 3vw, 24px);
  text-align: center;
}

.syntax-pieces {
  display: grid;
  gap: 9px;
}

.syntax-pieces article {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.syntax-pieces code {
  display: grid;
  min-height: 44px;
  place-items: center;
  border-radius: 9px;
  color: var(--night);
  background: var(--aqua);
  font-size: 17px;
  font-weight: 800;
}

.syntax-pieces strong {
  font-size: 15px;
}

.syntax-pieces p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.type-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.type-card-grid article {
  display: grid;
  min-width: 0;
  gap: 7px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.type-card-grid article:last-child {
  grid-column: 1 / -1;
}

.type-card-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.type-card-grid code {
  color: var(--aqua);
  font-size: 16px;
  font-weight: 800;
}

.type-card-grid strong {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 22px;
}

.type-card-grid small {
  overflow-x: auto;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  white-space: nowrap;
}

.practice-lab-callout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  margin: 28px 0 42px;
  padding: 18px;
  border: 1px solid rgba(183, 243, 74, 0.2);
  border-radius: var(--radius);
  background: var(--lime-soft);
}

.practice-lab-callout > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: var(--night);
  background: var(--lime);
}

.practice-lab-callout strong {
  font-size: 16px;
}

.practice-lab-callout p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.sandbox-view {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.sandbox-heading h1 {
  color: var(--lime);
}

.sandbox-safety-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 15px;
  margin-bottom: 22px;
  padding: 17px 19px;
  border: 1px solid rgba(93, 228, 199, 0.2);
  border-radius: 18px;
  background: var(--aqua-soft);
}

.sandbox-safety-note > span:first-child {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(93, 228, 199, 0.28);
  border-radius: 12px;
  color: var(--aqua);
  font-size: 18px;
}

.sandbox-safety-note strong {
  font-size: 15px;
}

.sandbox-safety-note p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.sandbox-status {
  padding: 7px 10px;
  border-radius: 99px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.sandbox-status.ready {
  color: var(--lime);
  background: var(--lime-soft);
}

.sandbox-status.locked {
  color: var(--orange);
  background: var(--orange-soft);
}

.sandbox-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 20px;
  align-items: start;
}

.sandbox-editor-card,
.sandbox-output-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(10, 26, 19, 0.78);
  box-shadow: var(--shadow);
}

.sandbox-output-card {
  position: sticky;
  top: 100px;
}

.sandbox-card-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 17px;
}

.sandbox-card-heading span {
  color: var(--aqua);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.sandbox-card-heading h2 {
  margin: 4px 0 0;
  font-size: 24px;
}

.sandbox-card-heading label {
  display: grid;
  gap: 5px;
  color: var(--dim);
  font-size: 11px;
  text-transform: uppercase;
}

.sandbox-card-heading select {
  max-width: 180px;
  padding: 8px 30px 8px 10px;
  border: 1px solid var(--line-bright);
  border-radius: 9px;
  color: var(--ink);
  background: var(--night);
  font: inherit;
  text-transform: none;
}

.sandbox-coach {
  display: flex;
  gap: 10px;
  margin-bottom: 13px;
  padding: 11px 13px;
  border-radius: 11px;
  color: #d5e5d7;
  background: var(--violet-soft);
}

.sandbox-coach > span {
  color: var(--violet);
}

.sandbox-coach p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

.sandbox-coach code {
  color: var(--lime);
}

.sandbox-editor-wrap {
  overflow: hidden;
  border: 1px solid var(--line-bright);
  border-radius: 14px;
  background: #050d0a;
}

.sandbox-file-bar {
  display: flex;
  justify-content: space-between;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.sandbox-file-bar small {
  color: var(--aqua);
  font-size: 10px;
}

.sandbox-editor {
  display: block;
  width: 100%;
  min-height: 390px;
  resize: vertical;
  padding: 16px;
  border: 0;
  outline: 0;
  color: #dce9de;
  background: transparent;
  caret-color: var(--lime);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  tab-size: 4;
}

.sandbox-input-details {
  margin-top: 13px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.sandbox-input-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.sandbox-input-details label {
  display: block;
  margin: 12px 0 6px;
  color: var(--dim);
  font-size: 12px;
}

.sandbox-input-details textarea {
  width: 100%;
  min-height: 78px;
  resize: vertical;
  padding: 10px;
  border: 1px solid var(--line-bright);
  border-radius: 9px;
  color: var(--ink);
  background: #050d0a;
  font-family: var(--mono);
  font-size: 13px;
}

.sandbox-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 15px;
}

.sandbox-machine {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 13px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.sandbox-machine i {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--aqua), transparent);
}

.sandbox-output {
  min-height: 360px;
  max-height: 520px;
  margin: 0;
  padding: 17px;
  overflow: auto;
  border: 1px solid var(--line-bright);
  border-radius: 14px;
  color: #dfffb1;
  background: #020806;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.sandbox-explainer {
  margin-top: 14px;
  padding: 15px;
  border-left: 3px solid var(--aqua);
  border-radius: 0 11px 11px 0;
  background: var(--aqua-soft);
}

.sandbox-explainer strong {
  font-size: 14px;
}

.sandbox-explainer p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

@media (max-width: 980px) {
  .sandbox-grid {
    grid-template-columns: 1fr;
  }

  .sandbox-output-card {
    position: static;
  }

  .sandbox-output {
    min-height: 240px;
  }
}

@media (max-width: 620px) {
  .primary-nav a {
    padding-inline: 7px;
    font-size: 11px;
  }

  .syntax-guide,
  .type-toy-box {
    padding: 18px;
  }

  .syntax-pieces article {
    grid-template-columns: 58px minmax(0, 1fr);
  }

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

  .type-card-grid article:last-child {
    grid-column: auto;
  }

  .practice-lab-callout,
  .sandbox-safety-note {
    grid-template-columns: auto 1fr;
  }

  .practice-lab-callout .secondary-button,
  .sandbox-status {
    grid-column: 1 / -1;
  }

  .sandbox-view {
    width: min(100% - 28px, 1240px);
  }

  .sandbox-editor-card,
  .sandbox-output-card {
    padding: 17px;
    border-radius: 19px;
  }

  .sandbox-card-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .sandbox-card-heading select {
    max-width: none;
    width: 100%;
  }

  .sandbox-editor {
    min-height: 340px;
    padding: 13px;
    font-size: 12px;
  }

  .sandbox-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .sandbox-actions button {
    width: 100%;
  }
}

@media (max-width: 620px) {
  #app,
  .site-footer {
    width: min(100% - 28px, 1240px);
  }

  .site-header {
    min-height: 68px;
    padding: 10px 14px;
  }

  .brand-mark {
    width: 39px;
    height: 39px;
  }

  .brand-copy small,
  .icon-button {
    display: none;
  }

  .xp-pill {
    padding: 6px 10px;
  }

  .hero {
    gap: 20px;
    padding: 48px 0 34px;
  }

  .hero h1 {
    overflow-wrap: normal;
    font-size: clamp(43px, 13.5vw, 58px);
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-facts {
    display: grid;
    gap: 7px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .primary-button,
  .hero-actions .secondary-button {
    width: 100%;
  }

  .hero-visual {
    min-height: 280px;
    transform: scale(0.88);
  }

  .lesson-cards {
    grid-template-columns: 1fr;
  }

  .lesson-card {
    min-height: 150px;
  }

  .track {
    padding: 20px;
    border-radius: 22px;
  }

  .track-meta {
    display: block;
  }

  .track-status {
    margin-top: 14px;
  }

  .lesson-view {
    gap: 26px;
    padding-top: 28px;
  }

  .back-link {
    margin-bottom: 18px;
  }

  .trail-item a,
  .trail-item span {
    font-size: 0;
  }

  .trail-item.active a {
    font-size: 12px;
  }

  .lesson-heading h1 {
    font-size: 44px;
  }

  .story-card {
    padding: 21px;
  }

  .story-card::before {
    display: none;
  }

  .code-window pre {
    padding: 19px;
    font-size: 13px;
  }

  .achievement-strip {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: block;
    text-align: center;
  }

  .footer-note {
    margin-top: 5px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Logicnaut platform shell */

:root {
  --yellow: #ffcf5c;
  --yellow-soft: rgba(255, 207, 92, 0.14);
  --blue: #75a7ff;
  --blue-soft: rgba(117, 167, 255, 0.14);
}

body {
  background:
    radial-gradient(circle at 82% 9%, rgba(200, 166, 255, 0.1), transparent 25%),
    radial-gradient(circle at 10% 42%, rgba(93, 228, 199, 0.07), transparent 24%),
    linear-gradient(rgba(183, 243, 74, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183, 243, 74, 0.022) 1px, transparent 1px),
    var(--night);
  background-size: auto, auto, 42px 42px, 42px 42px, auto;
}

.site-header {
  position: sticky;
  grid-template-columns: auto minmax(360px, 1fr) auto;
  gap: 24px;
  min-height: 82px;
  padding-block: 10px;
}

.brand-mark {
  position: relative;
  overflow: hidden;
  border-radius: 50%;
  font-size: 18px;
}

.brand-mark::before {
  position: absolute;
  width: 48px;
  height: 17px;
  border: 2px solid var(--night);
  border-radius: 50%;
  content: "";
  transform: rotate(-14deg);
}

.brand-planet {
  position: relative;
  z-index: 1;
  font-size: 17px !important;
  font-weight: 800;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.12em;
}

.brand-copy small {
  color: var(--aqua);
  font-size: 10px;
  letter-spacing: 0.19em;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.primary-nav a {
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--dim);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: 160ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--ink);
  outline: none;
}

.primary-nav a.active {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.header-actions {
  gap: 9px;
}

.starbit-pill {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 207, 92, 0.2);
  border-radius: 12px;
  color: var(--yellow);
  background: var(--yellow-soft);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.starbit-pill strong {
  color: #fff0b8;
  font-size: 14px;
}

.profile-button {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 5px 8px 5px 6px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  text-align: left;
}

.profile-button:hover,
.profile-button:focus-visible {
  border-color: var(--line-bright);
  background: rgba(255, 255, 255, 0.055);
  outline: none;
}

.profile-button-copy {
  display: grid;
  min-width: 64px;
  line-height: 1.2;
}

.profile-button-copy strong {
  overflow: hidden;
  max-width: 84px;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-button-copy small {
  margin-top: 3px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.header-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  width: 100%;
}

.header-progress > span {
  display: none;
}

.header-progress .progress-track {
  width: 100%;
  height: 2px;
  border-radius: 0;
}

.dashboard-view,
.page-view,
.profile-view,
.rewards-view {
  animation: view-in 360ms ease both;
}

.dashboard-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.8fr);
  align-items: center;
  gap: clamp(40px, 7vw, 100px);
  min-height: 520px;
  padding: 70px 0 48px;
}

.dashboard-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(53px, 7.6vw, 92px);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.94;
}

.dashboard-hero h1 em {
  color: var(--lime);
  font-style: normal;
}

.hero-mission-card {
  position: relative;
  display: grid;
  min-height: 355px;
  place-items: center;
  padding: 42px 34px 28px;
  overflow: hidden;
  border: 1px solid rgba(183, 243, 74, 0.18);
  border-radius: 38px;
  background:
    radial-gradient(circle at 50% 34%, rgba(183, 243, 74, 0.14), transparent 38%),
    linear-gradient(145deg, rgba(18, 45, 32, 0.88), rgba(8, 22, 16, 0.88));
  box-shadow: var(--shadow);
  text-align: center;
}

.hero-mission-card::before {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: -42px 19px 0 -2px var(--aqua), -24px 77px 0 -1px var(--violet), -265px 60px 0 -2px var(--yellow), -235px 165px 0 -1px var(--aqua);
  content: "";
}

.hero-mission-card p,
.hero-mission-card h2,
.hero-mission-card small,
.hero-mission-card .level-meter,
.hero-mission-card .profile-orbit {
  position: relative;
  z-index: 1;
}

.hero-mission-card p {
  margin: 14px 0 2px;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.hero-mission-card h2 {
  margin: 0 0 14px;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.hero-mission-card small {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.profile-avatar {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background: #112a20;
  line-height: 1;
}

.profile-avatar.small {
  width: 34px;
  height: 34px;
  font-size: 18px;
}

.profile-avatar.large {
  width: 62px;
  height: 62px;
  font-size: 31px;
}

.profile-avatar.giant {
  width: 118px;
  height: 118px;
  border: 4px solid #163528;
  background: linear-gradient(145deg, #183a2b, #0b2118);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.32);
  font-size: 58px;
}

.profile-orbit {
  position: relative;
  display: grid;
  width: 156px;
  height: 156px;
  place-items: center;
}

.profile-orbit::before {
  position: absolute;
  inset: 7px -5px;
  border: 1px dashed rgba(183, 243, 74, 0.32);
  border-radius: 50%;
  content: "";
  transform: rotate(-22deg) scaleY(0.42);
}

.profile-orbit.compact {
  width: 132px;
  height: 132px;
}

.profile-orbit.compact .profile-avatar.giant {
  width: 98px;
  height: 98px;
  font-size: 48px;
}

.orbit-buddy {
  position: absolute;
  top: 18px;
  right: 3px;
  display: none;
  color: var(--lime);
  filter: drop-shadow(0 0 7px var(--lime));
  animation: breathe 1.7s ease-in-out infinite;
}

[data-equipped="orbit-buddy"] .orbit-buddy {
  display: block;
}

[data-equipped="solar-ring"] .profile-avatar,
.profile-avatar[data-equipped="solar-ring"] {
  border-color: var(--yellow);
  box-shadow: 0 0 0 4px rgba(255, 207, 92, 0.16), 0 0 28px rgba(255, 207, 92, 0.22);
}

[data-equipped="comet-trail"] .profile-avatar,
.profile-avatar[data-equipped="comet-trail"] {
  border-color: var(--aqua);
  box-shadow: -13px 9px 24px rgba(93, 228, 199, 0.34);
}

[data-equipped="nebula-shell"] .profile-avatar,
.profile-avatar[data-equipped="nebula-shell"] {
  border-color: var(--violet);
  background: linear-gradient(145deg, rgba(200, 166, 255, 0.35), #10261d);
  box-shadow: 0 0 32px rgba(200, 166, 255, 0.24);
}

.level-meter {
  width: min(220px, 100%);
  height: 7px;
  margin-bottom: 8px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
}

.level-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lime), var(--aqua));
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 4px 0 76px;
}

.dashboard-card {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(12, 30, 22, 0.74);
}

.card-kicker,
.reward-type {
  display: block;
  margin-bottom: 24px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.next-mission-card {
  display: grid;
  grid-column: span 2;
  grid-template-columns: 112px 1fr;
  align-items: center;
  gap: 25px;
  background: linear-gradient(135deg, rgba(183, 243, 74, 0.11), rgba(12, 30, 22, 0.76) 54%);
}

.next-mission-card .card-kicker {
  position: absolute;
  top: 24px;
  left: 26px;
}

.mission-icon {
  display: grid;
  width: 104px;
  height: 104px;
  place-items: center;
  border: 1px solid rgba(183, 243, 74, 0.3);
  border-radius: 32px;
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 18px 44px rgba(183, 243, 74, 0.12);
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 800;
}

.dashboard-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.dashboard-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.inline-link,
a.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 0;
  cursor: pointer;
  border: 0;
  color: var(--lime);
  background: none;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.inline-link:hover,
.inline-link:focus-visible {
  color: #ddff9d;
  outline: none;
}

.big-stat {
  margin-top: 30px;
  font-size: 58px;
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1;
}

.big-stat small {
  color: var(--dim);
  font-size: 20px;
}

.mini-progress {
  height: 5px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
}

.mini-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--aqua);
}

.currency-card {
  background: linear-gradient(145deg, var(--yellow-soft), rgba(12, 30, 22, 0.72));
}

.currency-total {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 30px 0 7px;
  color: #fff0b8;
  font-size: 54px;
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1;
}

.currency-total span {
  color: var(--yellow);
  font-size: 24px;
}

.adaptive-card {
  display: grid;
  grid-column: span 2;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 21px;
  background: linear-gradient(140deg, var(--violet-soft), rgba(12, 30, 22, 0.74));
}

.adaptive-card .card-kicker {
  position: absolute;
  top: 24px;
  left: 26px;
}

.guide-face {
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  border: 1px solid rgba(200, 166, 255, 0.28);
  border-radius: 50%;
  color: var(--violet);
  background: rgba(200, 166, 255, 0.09);
  box-shadow: inset 0 0 25px rgba(200, 166, 255, 0.08);
  font-family: var(--mono);
  font-size: 34px;
}

.expedition-shelf {
  padding: 12px 0 90px;
}

.expedition-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.expedition-card {
  --expedition-color: var(--lime);
  min-height: 360px;
  padding: 17px 17px 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(11, 28, 20, 0.75);
}

.expedition-card[data-color="aqua"] {
  --expedition-color: var(--aqua);
}

.expedition-card[data-color="violet"] {
  --expedition-color: var(--violet);
}

.expedition-card.coming {
  opacity: 0.72;
}

.expedition-art {
  display: grid;
  height: 155px;
  margin-bottom: 21px;
  place-items: center;
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--expedition-color), transparent 72%), transparent 46%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.045), rgba(0, 0, 0, 0.14));
}

.expedition-art span {
  display: grid;
  width: 82px;
  height: 82px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--expedition-color), transparent 50%);
  border-radius: 28px;
  color: var(--expedition-color);
  box-shadow: 0 0 42px color-mix(in srgb, var(--expedition-color), transparent 82%);
  font-family: var(--mono);
  font-size: 21px;
  font-weight: 800;
  transform: rotate(-5deg);
}

.expedition-status {
  color: var(--expedition-color);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.expedition-card h3 {
  margin: 8px 0 7px;
  font-size: 21px;
  letter-spacing: -0.035em;
}

.expedition-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  gap: 7px;
  margin-top: 19px;
  color: var(--expedition-color);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.card-link.muted {
  color: var(--dim);
}

.page-view {
  padding: 68px 0 100px;
}

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  padding-bottom: 46px;
}

.page-heading h1 {
  margin: 0;
  font-size: clamp(54px, 8vw, 88px);
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.page-heading > p,
.page-heading > div > p:last-child {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.active-expedition {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(10, 26, 19, 0.72);
}

.active-expedition-heading {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 10px 6px 32px;
}

.language-badge {
  display: grid;
  width: 88px;
  height: 88px;
  place-items: center;
  border: 1px solid rgba(183, 243, 74, 0.3);
  border-radius: 26px;
  color: var(--night);
  background: var(--lime);
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 800;
}

.active-expedition-heading span,
.future-grid small {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.13em;
}

.active-expedition-heading h2 {
  margin: 5px 0 2px;
  font-size: 31px;
  letter-spacing: -0.045em;
}

.active-expedition-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.expedition-completion {
  display: grid;
  text-align: right;
}

.expedition-completion strong {
  font-size: 30px;
  line-height: 1;
}

.expedition-completion span {
  margin-top: 5px;
  color: var(--dim);
}

.curriculum-source {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 6px 34px;
  padding: 18px 20px;
  border: 1px solid rgba(93, 228, 199, 0.2);
  border-radius: 18px;
  background: rgba(93, 228, 199, 0.06);
}

.curriculum-source > span {
  display: grid;
  flex: 0 0 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: var(--night);
  background: var(--aqua);
  font-size: 18px;
  font-weight: 900;
}

.curriculum-source p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.curriculum-source strong {
  color: var(--text);
}

.curriculum-source a {
  color: var(--aqua);
  text-underline-offset: 3px;
}

.journey-parts {
  display: grid;
  gap: 34px;
}

.journey-part {
  min-width: 0;
  padding: 14px;
  border: 1px solid transparent;
  border-radius: 22px;
  transition: border-color 180ms ease, background 180ms ease;
}

.journey-part[open] {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.journey-part.current[open] {
  border-color: rgba(183, 243, 74, 0.18);
}

.journey-part > .track-list {
  margin-top: 16px;
}

.journey-part-heading {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 4px 6px;
  cursor: pointer;
  list-style: none;
}

.journey-part-heading::-webkit-details-marker {
  display: none;
}

.journey-part-heading > span {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.journey-part-heading h3 {
  margin: 0 0 3px;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.journey-part-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.journey-part-progress {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
  white-space: nowrap;
}

.journey-part-progress i {
  color: var(--lime);
  font-size: 18px;
  font-style: normal;
  transition: transform 180ms ease;
}

.journey-part[open] .journey-part-progress i {
  transform: rotate(180deg);
}

.future-expeditions {
  padding-top: 90px;
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.future-grid article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 21px;
  background: rgba(255, 255, 255, 0.02);
}

.future-grid article > span {
  position: absolute;
  top: 11px;
  right: 15px;
  color: rgba(255, 255, 255, 0.05);
  font-family: var(--mono);
  font-size: 50px;
}

.future-grid h3 {
  margin: 42px 0 8px;
  font-size: 18px;
}

.future-grid p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.pace-note {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 27px;
  padding: 11px 14px;
  border: 1px solid rgba(200, 166, 255, 0.18);
  border-radius: 11px;
  color: var(--violet);
  background: var(--violet-soft);
}

.pace-note p {
  margin: 0;
  color: #c9bfd5;
  font-size: 12px;
}

.pace-note strong {
  color: var(--violet);
}

.rewards-heading {
  align-items: center;
}

.balance-card {
  display: grid;
  min-width: 210px;
  padding: 22px;
  border: 1px solid rgba(255, 207, 92, 0.2);
  border-radius: 22px;
  background: var(--yellow-soft);
}

.balance-card span,
.balance-card small {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.balance-card strong {
  margin: 4px 0;
  color: #fff0b8;
  font-size: 29px;
}

.reward-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.reward-card {
  --reward-accent: var(--yellow);
  padding: 15px 15px 20px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(11, 28, 20, 0.78);
}

.reward-card[data-accent="aqua"] {
  --reward-accent: var(--aqua);
}

.reward-card[data-accent="violet"] {
  --reward-accent: var(--violet);
}

.reward-card[data-accent="lime"] {
  --reward-accent: var(--lime);
}

.reward-preview {
  position: relative;
  display: grid;
  height: 175px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 18px;
  background: radial-gradient(circle, color-mix(in srgb, var(--reward-accent), transparent 78%), transparent 54%), rgba(255, 255, 255, 0.022);
}

.reward-preview > i {
  position: absolute;
  top: 14px;
  right: 14px;
  color: var(--reward-accent);
  font-style: normal;
}

.reward-card .reward-type {
  margin-bottom: 8px;
  color: var(--reward-accent);
}

.reward-card h2 {
  margin: 0 0 7px;
  font-size: 19px;
  letter-spacing: -0.035em;
}

.reward-card > p {
  min-height: 58px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.reward-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
}

.reward-action strong {
  color: var(--reward-accent);
  font-family: var(--mono);
  font-size: 12px;
}

.shop-button,
.equipped-button {
  padding: 8px 12px;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--reward-accent), transparent 55%);
  border-radius: 9px;
  color: var(--reward-accent);
  background: color-mix(in srgb, var(--reward-accent), transparent 90%);
  font-size: 12px;
  font-weight: 800;
}

.shop-button:hover,
.shop-button:focus-visible {
  border-color: var(--reward-accent);
  outline: none;
}

.equipped-button {
  cursor: default;
  opacity: 0.6;
}

.healthy-rewards-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 24px;
  padding: 20px 22px;
  border: 1px solid rgba(93, 228, 199, 0.17);
  border-radius: 18px;
  background: var(--aqua-soft);
}

.healthy-rewards-note > span {
  color: var(--aqua);
  font-size: 23px;
}

.healthy-rewards-note strong {
  font-size: 15px;
}

.healthy-rewards-note p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.empty-state {
  display: grid;
  min-height: 380px;
  place-items: center;
  padding: 50px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.018);
  text-align: center;
}

.empty-state > span {
  color: var(--yellow);
  font-size: 46px;
}

.empty-state h2,
.empty-state p {
  margin: 0;
}

.empty-state p {
  color: var(--muted);
}

.profile-hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 25px 28px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(183, 243, 74, 0.09), rgba(11, 28, 20, 0.78));
}

.profile-hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 64px);
  letter-spacing: -0.06em;
  line-height: 1;
}

.profile-hero p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0 48px;
}

.profile-stats article {
  display: grid;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.02);
}

.profile-stats span,
.safe-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.profile-stats strong {
  margin: 12px 0 2px;
  font-size: 33px;
  line-height: 1;
}

.profile-stats small {
  color: var(--muted);
  font-size: 11px;
}

.profile-settings {
  display: grid;
  gap: 10px;
}

.profile-settings article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 22px 25px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.018);
}

.profile-settings article > div {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.settings-icon {
  display: grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 12px;
  color: var(--aqua);
  background: var(--aqua-soft);
}

.profile-settings h2 {
  margin: 0;
  font-size: 15px;
}

.profile-settings p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.onboarding-backdrop {
  overflow-y: auto;
  align-items: start;
}

.onboarding-modal {
  width: min(720px, 100%);
  margin-block: 24px;
  padding: 31px;
}

.onboarding-top {
  display: flex;
  align-items: center;
  gap: 15px;
}

.onboarding-logo {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  color: var(--night);
  background: var(--lime);
  font-size: 22px;
  font-weight: 800;
}

.onboarding-top p,
.modal-kicker {
  margin: 0 0 4px;
  color: var(--lime) !important;
  font-family: var(--mono);
  font-size: 10px !important;
  letter-spacing: 0.14em;
}

.onboarding-top h2 {
  margin: 0;
  font-size: 27px;
}

.onboarding-lede {
  margin: 17px 0 24px !important;
}

.field-label,
.onboarding-modal legend {
  display: block;
  margin: 18px 0 8px;
  color: #c7d3c9;
  font-size: 13px;
  font-weight: 800;
}

.text-input {
  width: 100%;
  min-height: 47px;
  padding: 10px 13px;
  border: 1px solid var(--line-bright);
  border-radius: 11px;
  color: var(--ink);
  background: #071711;
  font: inherit;
}

.text-input:focus {
  border-color: var(--lime);
  outline: 2px solid rgba(183, 243, 74, 0.1);
}

.onboarding-modal fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.avatar-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.avatar-option,
.route-option {
  position: relative;
  cursor: pointer;
}

.avatar-option input,
.route-option input {
  position: absolute;
  opacity: 0;
}

.avatar-option > span {
  display: grid;
  height: 74px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 31px;
}

.avatar-option small {
  display: block;
  margin-top: 5px;
  color: var(--dim);
  font-size: 10px;
  text-align: center;
}

.avatar-option input:checked + span {
  border-color: var(--lime);
  background: var(--lime-soft);
  box-shadow: inset 0 0 0 1px var(--lime);
}

.avatar-option input:focus-visible + span,
.route-option input:focus-visible + span {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

.route-options {
  display: grid;
  gap: 8px;
}

.route-option {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.02);
}

.route-option:has(input:checked) {
  border-color: rgba(183, 243, 74, 0.52);
  background: var(--lime-soft);
}

.route-option span {
  display: grid;
}

.route-option strong {
  font-size: 13px;
}

.route-option small {
  color: var(--muted);
  font-size: 11px;
}

.route-option b {
  color: var(--lime);
  font-family: var(--mono);
  font-size: 11px;
}

.profile-switcher {
  width: min(490px, 100%);
}

.profile-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.profile-choice {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 13px;
  padding: 10px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.02);
  text-align: left;
}

.profile-choice:hover,
.profile-choice:focus-visible,
.profile-choice.active {
  border-color: rgba(183, 243, 74, 0.36);
  background: var(--lime-soft);
  outline: none;
}

.profile-choice > span:nth-child(2) {
  display: grid;
}

.profile-choice strong {
  font-size: 15px;
}

.profile-choice small {
  color: var(--muted);
  font-size: 11px;
}

.profile-choice i {
  color: var(--lime);
  font-style: normal;
}

.add-profile-button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 11px;
  cursor: pointer;
  border: 1px dashed var(--line-bright);
  border-radius: 13px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.add-profile-button span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  font-size: 16px;
}

.add-profile-button:hover,
.add-profile-button:focus-visible {
  border-color: var(--lime);
  color: var(--ink);
  outline: none;
}

.profile-storage-note {
  margin: 12px 2px 0 !important;
  color: var(--dim) !important;
  font-size: 11px !important;
}

.account-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.account-button:hover,
.account-button:focus-visible {
  border-color: var(--line-bright);
  color: var(--ink);
  outline: none;
}

.account-status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--dim);
  box-shadow: 0 0 0 3px rgba(113, 128, 119, 0.1);
}

.account-button[data-status="signed_in"] {
  border-color: rgba(93, 228, 199, 0.24);
  color: var(--aqua);
  background: var(--aqua-soft);
}

.account-button[data-status="signed_in"] .account-status-dot {
  background: var(--aqua);
  box-shadow: 0 0 0 3px rgba(93, 228, 199, 0.12), 0 0 12px rgba(93, 228, 199, 0.45);
}

.account-button[data-status="offline"] .account-status-dot {
  background: var(--yellow);
}

.account-button[data-status="checking"] .account-status-dot {
  animation: breathe 1.2s ease-in-out infinite;
}

.site-footer a,
.account-modal a {
  color: var(--aqua);
}

button.safe-label {
  padding: 7px 0;
  cursor: pointer;
  border: 0;
  background: transparent;
}

.account-backdrop {
  overflow-y: auto;
}

.account-modal {
  position: relative;
  width: min(520px, 100%);
  margin-block: 22px;
  padding: 34px;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 34px;
  height: 34px;
  cursor: pointer;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  font-size: 20px;
  line-height: 1;
}

.modal-close:hover,
.modal-close:focus-visible {
  border-color: var(--line-bright);
  color: var(--ink);
  outline: none;
}

.account-orb {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 20px;
  place-items: center;
  border: 1px solid rgba(183, 243, 74, 0.36);
  border-radius: 50%;
  color: var(--night);
  background: var(--lime);
  box-shadow: 0 0 30px rgba(183, 243, 74, 0.14);
  font-size: 22px;
}

.account-orb.connected {
  color: var(--night);
  background: var(--aqua);
}

.account-modal h2 {
  padding-right: 30px;
}

.adult-confirmation,
.remove-device-copy {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 17px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.adult-confirmation input,
.remove-device-copy input {
  margin-top: 3px;
  accent-color: var(--lime);
}

.account-privacy-copy {
  margin-top: 14px !important;
  color: var(--dim) !important;
  font-size: 11px !important;
}

.account-feedback {
  display: none;
  margin-top: 15px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 12px;
}

.account-feedback.visible {
  display: block;
}

.account-feedback.error {
  border: 1px solid rgba(255, 130, 124, 0.34);
  color: #ffd1ce;
  background: rgba(255, 130, 124, 0.09);
}

.code-input {
  font-family: var(--mono);
  font-size: 22px;
  letter-spacing: 0.18em;
  text-align: center;
}

.account-email {
  display: inline-block;
  margin: 8px 0 18px !important;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--aqua) !important;
  background: var(--aqua-soft);
  font-family: var(--mono);
  font-size: 12px !important;
}

.cloud-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.cloud-summary span {
  display: grid;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--dim);
  font-size: 10px;
  text-transform: uppercase;
}

.cloud-summary strong {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 18px;
}

.account-management-actions {
  display: grid;
  justify-items: start;
  gap: 12px;
  margin-top: 24px;
}

.danger-link {
  padding: 0;
  cursor: pointer;
  border: 0;
  color: var(--danger);
  background: none;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.danger-copy {
  color: var(--danger) !important;
}

.policy-header {
  display: flex;
  width: min(980px, calc(100% - 40px));
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}

.policy-page {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 50px;
  outline: none;
}

.policy-hero {
  margin-bottom: 56px;
}

.policy-hero h1 {
  max-width: 780px;
  margin: 10px 0 22px;
  font-size: clamp(48px, 7vw, 78px);
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.policy-hero > p:last-child {
  max-width: 680px;
  color: var(--muted);
  font-size: 17px;
}

.policy-page section {
  margin-top: 14px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(12, 30, 22, 0.7);
}

.policy-page h2 {
  margin: 0 0 10px;
  font-size: 21px;
}

.policy-page section p,
.policy-page li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.policy-page section p:last-child {
  margin-bottom: 0;
}

.policy-page ul {
  padding-left: 20px;
}

.policy-page li + li {
  margin-top: 7px;
}

.policy-footer {
  width: min(980px, calc(100% - 40px));
}

.celebration-particle {
  position: fixed;
  z-index: 100;
  top: 50%;
  left: 72%;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  pointer-events: none;
  transition: transform 800ms cubic-bezier(.2, .8, .2, 1), opacity 800ms ease;
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .primary-nav {
    justify-content: flex-start;
  }

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

  .next-mission-card,
  .adaptive-card {
    grid-column: span 1;
  }

  .next-mission-card {
    grid-template-columns: 82px 1fr;
  }

  .mission-icon {
    width: 76px;
    height: 76px;
    border-radius: 23px;
  }

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

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto 1fr;
  }

  .primary-nav {
    position: fixed;
    z-index: 45;
    right: 12px;
    bottom: 12px;
    left: 12px;
    justify-content: space-around;
    padding: 6px;
    border: 1px solid var(--line-bright);
    border-radius: 16px;
    background: rgba(7, 19, 15, 0.94);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
  }

  .primary-nav a {
    flex: 1;
    text-align: center;
  }

  .dashboard-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-mission-card {
    min-height: 330px;
  }

  .page-heading {
    display: grid;
  }

  .expedition-cards {
    grid-template-columns: 1fr;
  }

  .expedition-card {
    min-height: auto;
  }

  .active-expedition-heading {
    grid-template-columns: auto 1fr;
  }

  .expedition-completion {
    grid-column: 2;
    text-align: left;
  }

  .profile-hero {
    grid-template-columns: auto 1fr;
  }

  .profile-hero .secondary-button {
    grid-column: 1 / -1;
    justify-self: start;
  }

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

  .site-footer {
    margin-bottom: 80px;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 8px;
  }

  .brand-copy small,
  .profile-button-copy,
  .starbit-pill > span:last-child,
  .account-button > span:last-child {
    display: none;
  }

  .account-button {
    width: 38px;
    min-height: 38px;
    justify-content: center;
    padding: 7px;
  }

  .starbit-pill {
    min-height: 38px;
    padding-inline: 8px;
  }

  .profile-button {
    grid-template-columns: auto auto;
    min-height: 42px;
  }

  .dashboard-hero {
    gap: 34px;
    padding-top: 48px;
  }

  .dashboard-hero h1 {
    font-size: clamp(46px, 14vw, 64px);
  }

  .hero-mission-card {
    min-height: 320px;
    border-radius: 28px;
  }

  .dashboard-grid,
  .reward-grid,
  .future-grid,
  .profile-stats {
    grid-template-columns: 1fr;
  }

  .dashboard-card {
    min-height: 210px;
    padding: 22px;
  }

  .next-mission-card,
  .adaptive-card {
    grid-column: span 1;
  }

  .next-mission-card {
    grid-template-columns: 62px 1fr;
    padding-top: 58px;
  }

  .mission-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    font-size: 17px;
  }

  .adaptive-card {
    grid-template-columns: 58px 1fr;
    padding-top: 58px;
  }

  .guide-face {
    width: 54px;
    height: 54px;
    font-size: 22px;
  }

  .expedition-shelf {
    padding-bottom: 70px;
  }

  .page-view {
    padding-top: 48px;
  }

  .page-heading {
    gap: 22px;
  }

  .page-heading h1 {
    font-size: 55px;
  }

  .active-expedition {
    padding: 18px;
    border-radius: 24px;
  }

  .active-expedition-heading {
    grid-template-columns: 64px 1fr;
    gap: 14px;
  }

  .language-badge {
    width: 62px;
    height: 62px;
    border-radius: 19px;
    font-size: 15px;
  }

  .active-expedition-heading h2 {
    font-size: 23px;
  }

  .active-expedition-heading p {
    display: none;
  }

  .curriculum-source {
    margin-inline: 0;
    padding: 16px;
  }

  .journey-part-heading {
    grid-template-columns: 1fr auto;
    gap: 6px 12px;
  }

  .journey-part-heading > span {
    grid-column: 1 / -1;
  }

  .journey-part-heading p {
    font-size: 13px;
  }

  .journey-part {
    padding: 10px 0;
  }

  .journey-part[open] {
    padding-inline: 10px;
  }

  .word-decoder {
    grid-template-columns: 1fr;
  }

  .word-decoder dl > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .balance-card {
    min-width: 0;
  }

  .profile-hero {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .profile-hero .secondary-button {
    grid-column: auto;
    justify-self: auto;
  }

  .profile-settings article {
    align-items: flex-start;
    gap: 14px;
  }

  .profile-settings article > div {
    gap: 11px;
  }

  .settings-icon {
    display: none;
  }

  .onboarding-modal {
    padding: 22px;
  }

  .account-modal {
    padding: 26px 21px;
  }

  .cloud-summary {
    grid-template-columns: 1fr;
  }

  .account-actions {
    display: grid;
  }

  .account-actions button {
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .policy-header {
    width: min(100% - 28px, 980px);
  }

  .policy-header .brand-copy small {
    display: block;
  }

  .policy-header .secondary-button {
    padding-inline: 12px;
  }

  .policy-page {
    width: min(100% - 28px, 820px);
    padding-top: 48px;
  }

  .policy-hero h1 {
    font-size: 48px;
  }

  .policy-page section {
    padding: 20px;
  }

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

  .onboarding-modal .modal-actions {
    display: grid;
  }

  .onboarding-modal .modal-actions button {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .lesson-view {
    grid-template-columns: minmax(0, 1fr);
  }

  .lesson-nav,
  .lesson-main,
  .mission-panel {
    min-width: 0;
    max-width: 100%;
  }

  .trail-list {
    max-width: 100%;
  }
}