:root {
  color-scheme: dark;
  --stellar-bg: #02070f;
  --stellar-bg-2: #07111f;
  --stellar-panel: rgba(7, 15, 29, 0.78);
  --stellar-panel-strong: rgba(10, 20, 38, 0.92);
  --stellar-line: rgba(180, 199, 231, 0.22);
  --stellar-line-strong: rgba(218, 229, 255, 0.42);
  --stellar-text: #f3f7ff;
  --stellar-muted: #9ba8bd;
  --stellar-soft: #c7d0df;
  --stellar-warm: #e7b481;
  --stellar-blue: #9cc7ff;
  --stellar-green: #8fe4c1;
  --stellar-danger: #ff8f8f;
  --stellar-shadow: rgba(0, 0, 0, 0.58);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--stellar-bg);
}

body {
  min-height: 100vh;
  color: var(--stellar-text) !important;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  letter-spacing: 0 !important;
  background:
    radial-gradient(ellipse at 52% 100%, rgba(222, 153, 96, 0.42) 0, rgba(118, 81, 62, 0.22) 18rem, transparent 38rem),
    radial-gradient(circle at 78% 13%, rgba(104, 151, 221, 0.15), transparent 26rem),
    radial-gradient(circle at 18% 4%, rgba(99, 131, 184, 0.12), transparent 26rem),
    linear-gradient(180deg, #02070f 0%, #04101e 48%, #02070f 100%) !important;
  overflow-x: hidden;
}

body::before {
  content: "" !important;
  position: fixed !important;
  inset: 0 !important;
  z-index: -2 !important;
  pointer-events: none !important;
  background-image:
    radial-gradient(circle, rgba(236, 243, 255, 0.58) 0 1px, transparent 1.2px),
    linear-gradient(rgba(181, 201, 232, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(181, 201, 232, 0.08) 1px, transparent 1px);
  background-size: 34px 34px, 82px 82px, 82px 82px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.48) 52%, rgba(0,0,0,.86));
}

body::after {
  content: "";
  position: fixed;
  inset: auto -10vw 0;
  z-index: -1;
  height: 35vh;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(248, 203, 164, 0.72), rgba(126, 88, 74, 0.16) 34%, transparent 67%),
    linear-gradient(180deg, transparent, rgba(2, 7, 15, 0.68));
  filter: blur(10px) saturate(0.94);
}

a { color: #dce8ff; }
a:hover { color: #fff; }

.wrap,
.page,
main:not(.viewer),
.container {
  width: min(1240px, calc(100% - 40px)) !important;
  margin-inline: auto !important;
}

.wrap {
  display: block !important;
  min-height: auto !important;
  padding: 92px 0 96px !important;
}

body > main:not(.wrap):not(.viewer),
.page,
.container {
  margin-top: 92px !important;
  padding: clamp(34px, 5vw, 78px) !important;
  border: 1px solid var(--stellar-line) !important;
  border-radius: 0 !important;
  background:
    linear-gradient(180deg, rgba(9, 19, 36, 0.88), rgba(5, 12, 24, 0.84)),
    radial-gradient(circle at 12% 0%, rgba(156, 199, 255, 0.09), transparent 24rem) !important;
  box-shadow: 0 24px 70px var(--stellar-shadow) !important;
  backdrop-filter: blur(12px) !important;
  text-align: left !important;
}

.hero,
.toc,
.warn,
.toolbar,
.empty,
.preview-dialog,
.error-card,
section:not(.hero):not(.viewer),
.demo-grid,
.util-grid,
table,
pre {
  border: 1px solid var(--stellar-line) !important;
  border-radius: 0 !important;
  background:
    linear-gradient(180deg, rgba(9, 19, 36, 0.9), rgba(5, 12, 24, 0.86)),
    radial-gradient(circle at 10% 0%, rgba(156, 199, 255, 0.12), transparent 22rem) !important;
  box-shadow: 0 24px 70px var(--stellar-shadow) !important;
  backdrop-filter: blur(12px) !important;
}

.hero {
  position: relative !important;
  width: 100% !important;
  padding: clamp(46px, 8vw, 92px) clamp(22px, 6vw, 78px) !important;
  overflow: hidden;
}

.wrap > .hero {
  min-height: min(72vh, 760px);
}

main:not(.wrap) > .hero,
body > main:not(.wrap) .hero {
  min-height: auto !important;
  padding: clamp(30px, 5vw, 62px) !important;
  margin-bottom: 28px !important;
}

.hero::before,
.toc::before,
section:not(.hero):not(.viewer)::before {
  content: "";
  position: absolute;
  inset: 16px;
  pointer-events: none;
  border: 1px solid rgba(218, 229, 255, 0.13);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -15% -35% -15%;
  height: 42%;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(236, 178, 133, 0.34), rgba(125, 93, 82, 0.11) 36%, transparent 68%);
  filter: blur(18px);
}

h1,
h2,
.preview-title,
.demo-title,
.game-title,
.util-title {
  font-family: Georgia, "Times New Roman", serif !important;
  font-weight: 400 !important;
  letter-spacing: 0 !important;
  color: var(--stellar-text) !important;
  text-shadow: none !important;
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
}

h1 {
  max-width: 820px !important;
  font-size: clamp(48px, 7.4vw, 104px) !important;
  line-height: 0.91 !important;
  margin: 0 0 22px !important;
  text-wrap: balance;
  overflow-wrap: anywhere;
  word-break: normal;
}

h2 {
  font-size: clamp(25px, 2.9vw, 42px) !important;
  line-height: 0.98 !important;
  overflow-wrap: anywhere;
}

.lead,
p,
li,
td,
th,
.card p,
.demo-body p,
.util-body p,
.muted {
  color: var(--stellar-muted) !important;
  font-size: 15px !important;
  line-height: 1.65 !important;
}

.lead {
  max-width: 670px !important;
  margin: 0 0 30px !important;
  font-size: clamp(16px, 1.5vw, 19px) !important;
  color: #c7d0df !important;
  overflow-wrap: anywhere;
}

.grid,
.demo-grid,
.util-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 1px !important;
  margin-top: clamp(36px, 6vw, 70px) !important;
  padding: 0 !important;
  background: var(--stellar-line) !important;
  border: 1px solid var(--stellar-line) !important;
  box-shadow: 0 24px 70px rgba(0,0,0,.35) !important;
}

.card,
.demo-card,
.util-card {
  min-width: 0 !important;
  min-height: 232px !important;
  padding: clamp(22px, 3.1vw, 38px) !important;
  border: 0 !important;
  border-radius: 0 !important;
  background:
    linear-gradient(180deg, rgba(8, 17, 33, 0.96), rgba(5, 11, 22, 0.94)),
    radial-gradient(circle at 90% 10%, rgba(156, 199, 255, 0.12), transparent 20rem) !important;
  box-shadow: none !important;
  color: var(--stellar-text) !important;
  text-decoration: none !important;
  transform: none !important;
}

.card:hover,
.card:focus-visible,
.demo-card:hover,
.demo-card:focus-visible,
.util-card:hover,
.util-card:focus-visible {
  background:
    linear-gradient(180deg, rgba(13, 27, 50, 0.98), rgba(7, 15, 29, 0.97)) !important;
  outline: 1px solid rgba(236, 243, 255, 0.72) !important;
  outline-offset: -1px !important;
  transform: none !important;
}

.icon {
  width: 62px !important;
  height: 62px !important;
  margin: 0 0 24px !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.icon img {
  filter: grayscale(.1) contrast(1.03) brightness(1.04);
}

.go,
.file-button,
button,
input,
.home-link,
.help-link,
.back-link,
.nav a,
.inline {
  border-radius: 0 !important;
  letter-spacing: 0 !important;
}

.go {
  color: var(--stellar-text) !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  text-transform: uppercase;
}

.demo-file,
.util-file {
  border-radius: 0 !important;
  background: rgba(255, 255, 255, 0.035) !important;
  border-color: rgba(218, 229, 255, 0.24) !important;
  color: #cfe1ff !important;
}

.home-link,
.help-link,
.back-link,
.nav a,
.file-button,
button,
input[type="button"],
input[type="submit"] {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  min-height: 36px;
  padding: 8px 13px !important;
  border: 1px solid rgba(218, 229, 255, 0.38) !important;
  background: rgba(245, 248, 255, 0.06) !important;
  color: var(--stellar-text) !important;
  text-decoration: none !important;
  font: 700 11px/1 Inter, system-ui, sans-serif !important;
  text-transform: uppercase;
  box-shadow: none !important;
}

.home-link:hover,
.help-link:hover,
.back-link:hover,
.nav a:hover,
.file-button:hover,
button:hover {
  background: rgba(245, 248, 255, 0.13) !important;
}

.home-link,
.help-link {
  position: fixed !important;
  top: 18px !important;
  z-index: 1000 !important;
  width: auto !important;
  height: 36px !important;
  backdrop-filter: blur(12px);
}

.home-link { left: 18px !important; }
.help-link { right: 18px !important; }
.help-link svg { width: 17px !important; height: 17px !important; }

.nav {
  width: min(1240px, calc(100% - 40px)) !important;
  margin: 18px auto 0 !important;
  padding: 0 !important;
  display: flex !important;
  justify-content: flex-start !important;
}

code,
pre {
  color: #e9f1ff !important;
  background: rgba(255, 255, 255, 0.055) !important;
  border: 1px solid rgba(218, 229, 255, 0.14) !important;
}

code {
  padding: .12em .38em;
}

table {
  width: 100% !important;
  border-collapse: collapse !important;
  overflow: hidden;
}

th,
td {
  border: 1px solid rgba(218, 229, 255, 0.16) !important;
  padding: 13px 14px !important;
}

th {
  color: #eef5ff !important;
  background: rgba(255,255,255,.045) !important;
  text-transform: uppercase;
  font-size: 11px !important;
}

.toolbar {
  padding: 18px !important;
  margin: 22px 0 !important;
}

#content,
.file-table,
.files-table {
  border-radius: 0 !important;
}

.file-row,
.file-cell,
.file-actions {
  color: var(--stellar-text) !important;
}

.file-link {
  color: #eef5ff !important;
  font-weight: 700;
}

.preview-modal {
  background: rgba(1, 5, 11, 0.76) !important;
  backdrop-filter: blur(14px) !important;
}

.topbar {
  min-height: 56px !important;
  padding: 10px 18px !important;
  border-bottom: 1px solid var(--stellar-line) !important;
  background: rgba(2, 7, 15, 0.88) !important;
  backdrop-filter: blur(14px);
}

.viewer {
  background:
    radial-gradient(ellipse at 50% 100%, rgba(222, 153, 96, 0.18), transparent 32rem),
    var(--stellar-bg) !important;
}

iframe {
  border: 1px solid rgba(218, 229, 255, 0.22) !important;
  background: #fff !important;
}

@media (max-width: 820px) {
  html,
  body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  .wrap,
  .page,
  main:not(.viewer),
  .container {
    width: min(calc(100vw - 24px), 360px) !important;
    max-width: min(calc(100vw - 24px), 360px) !important;
    margin-left: 12px !important;
    margin-right: auto !important;
  }

  .wrap { padding-top: 78px !important; }
  .grid,
  .demo-grid,
  .util-grid {
    grid-template-columns: 1fr !important;
  }

  .hero {
    min-height: auto;
    padding: 38px 18px 30px !important;
  }

  h1 {
    max-width: 100% !important;
    font-size: clamp(27px, 7.2vw, 32px) !important;
    line-height: 1.04 !important;
    white-space: normal !important;
    text-wrap: wrap !important;
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
  }

  body > main:not(.wrap):not(.viewer),
  .page,
  .container {
    margin-top: 76px !important;
    padding: 26px 18px !important;
  }

  h1 {
    font-size: clamp(42px, 13vw, 64px) !important;
  }

  .home-link,
  .help-link {
    top: 12px !important;
  }
  .home-link { left: 12px !important; }
  .help-link { right: 12px !important; }
}

/* User refinement: icons are decorative marks, not framed tiles. */
.icon,
.icon img,
.card .icon,
.demo-card .icon,
.util-card .icon {
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: 0 !important;
}

.card .icon,
.demo-card .icon,
.util-card .icon {
  width: 58px !important;
  height: 58px !important;
  margin: 0 !important;
  flex: 0 0 58px !important;
}

.card .icon img,
.demo-card .icon img,
.util-card .icon img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  padding: 0 !important;
}

/* Portal/list cards: icon left, copy right, one horizontal composition. */
.card,
.demo-card,
.util-card {
  display: grid !important;
  grid-template-columns: 72px minmax(0, 1fr) !important;
  grid-template-rows: auto auto !important;
  column-gap: 26px !important;
  row-gap: 18px !important;
  align-items: start !important;
  justify-content: stretch !important;
}

.card > .icon,
.demo-card > .icon,
.util-card > .icon {
  grid-column: 1 !important;
  grid-row: 1 / span 2 !important;
}

.card > span:not(.icon):not(.go),
.demo-card > span:not(.icon):not(.go),
.util-card > span:not(.icon):not(.go) {
  grid-column: 2 !important;
  grid-row: 1 !important;
  min-width: 0 !important;
}

.card > .go,
.demo-card > .go,
.util-card > .go {
  grid-column: 2 !important;
  grid-row: 2 !important;
  align-self: start !important;
}

@media (max-width: 640px) {
  .card,
  .demo-card,
  .util-card {
    grid-template-columns: 56px minmax(0, 1fr) !important;
    column-gap: 18px !important;
  }
  .card .icon,
  .demo-card .icon,
  .util-card .icon {
    width: 48px !important;
    height: 48px !important;
    flex-basis: 48px !important;
  }
}

@keyframes utility-gear-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.icon-utils img {
  transform-origin: 50% 50%;
  animation: utility-gear-spin 18s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .icon-utils img {
    animation: none;
  }
}

/* Fix nested/list cards without icons: keep them normal. */
.demo-card:not(:has(> .icon)),
.util-card:not(:has(> .icon)),
.card:not(:has(> .icon)) {
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  gap: 18px !important;
  align-items: stretch !important;
}

.demo-card:not(:has(> .icon)) > span,
.util-card:not(:has(> .icon)) > span,
.card:not(:has(> .icon)) > span {
  grid-column: auto !important;
  grid-row: auto !important;
}

/* Horizontal icon layout only for cards that actually have an icon child. */
.card:has(> .icon),
.demo-card:has(> .icon),
.util-card:has(> .icon) {
  display: grid !important;
  grid-template-columns: 72px minmax(0, 1fr) !important;
  grid-template-rows: auto auto !important;
  column-gap: 26px !important;
  row-gap: 18px !important;
  align-items: start !important;
}

.brand-link {
  position: fixed !important;
  top: 18px !important;
  left: 18px !important;
  z-index: 1000 !important;
  min-height: 36px !important;
  display: inline-flex !important;
  align-items: center !important;
  color: var(--stellar-text) !important;
  text-decoration: none !important;
  font-family: Georgia, "Times New Roman", serif !important;
  font-size: 22px !important;
  line-height: 1 !important;
  letter-spacing: 0 !important;
}

.brand-link:hover,
.brand-link:focus-visible {
  color: #fff !important;
  outline: none !important;
}

body:has(.brand-link) .wrap {
  padding-top: 92px !important;
}

body:has(.brand-link) .hero {
  min-height: auto !important;
  padding-top: clamp(34px, 5vw, 62px) !important;
}

.grid,
.demo-grid,
.util-grid {
  gap: clamp(16px, 2.2vw, 26px) !important;
  padding: clamp(14px, 2vw, 22px) !important;
  background: rgba(2, 7, 15, 0.48) !important;
}

.card-preview {
  display: block !important;
  width: 100% !important;
  aspect-ratio: 16 / 9 !important;
  overflow: hidden !important;
  border: 1px solid rgba(218, 229, 255, 0.18) !important;
  background:
    radial-gradient(circle at 50% 45%, rgba(156, 199, 255, 0.16), transparent 58%),
    rgba(1, 6, 13, 0.72) !important;
}

.card-preview img {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
}

.card,
.demo-card,
.util-card {
  min-height: 166px !important;
  padding: clamp(18px, 2.4vw, 30px) !important;
}

.card:has(> .icon),
.demo-card:has(> .icon),
.util-card:has(> .icon) {
  grid-template-rows: auto !important;
  align-items: center !important;
}

.card:has(> .icon) > .icon,
.demo-card:has(> .icon) > .icon,
.util-card:has(> .icon) > .icon {
  grid-row: 1 !important;
}

.demo-card:has(.card-preview),
.util-card:has(.card-preview),
.card:has(.card-preview) {
  min-height: auto !important;
  gap: 12px !important;
}

.hero > .grid:first-child,
.hero > .demo-grid:first-child,
.hero > .util-grid:first-child,
main > .grid:first-child,
main > .demo-grid:first-child,
main > .util-grid:first-child {
  margin-top: 0 !important;
}

body:has(.brand-link) .hero {
  padding-block: clamp(22px, 3.2vw, 40px) !important;
}

@media (max-width: 820px) {
  .brand-link {
    top: 13px !important;
    left: 12px !important;
    font-size: 19px !important;
  }
}