:root {
  --white: #ffffff;
  --paper: #f4f5f8;
  --ink: #12141a;
  --muted: #4a5160;
  --blue: #1a3dcc;
  --blue-ink: #132a8f;
  --blue-soft: #e7ecfb;
  --red: #e23a2b;
  --red-ink: #b42318;
  --red-soft: #fde8e6;
  --line: #d8dbe3;
  --cabinet: #1a2450;
  --cabinet-face: #24305e;
  --display: "Fraunces", "Source Serif 4", Georgia, serif;
  --body: "Source Sans 3", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --s1: 4px;
  --s2: 8px;
  --s3: 16px;
  --s4: 24px;
  --s5: 32px;
  --s6: 48px;
  --s7: 64px;
  --s8: 96px;
  --wrap: 1120px;
  --narrow: 68ch;
  --radius-pill: 999px;
  --btn-shadow: 4px 4px 0 var(--ink);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  background-color: var(--white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--red);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0 2px;
  transition: background-size 0.22s ease;
}

a:hover,
a:focus-visible {
  background-size: 100% 2px;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 var(--s3);
}

h1 { font-size: clamp(2.25rem, 5vw, 4.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.35rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--s3); }

.wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.wrap--narrow {
  width: min(100% - 2rem, 760px);
  margin-inline: auto;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 var(--s2);
}

.accent {
  color: var(--red);
  font-style: italic;
}

.tabular {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* Age bar — pinned to the very top */
.age-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  color: var(--white);
  font-size: 0.8125rem;
  line-height: 1.4;
  padding: 0.45rem 1rem;
  text-align: center;

  a {
    color: #fff;
    background-image: linear-gradient(#fff, #fff);
  }
}

/* Utility strip + coin chip */
.util {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2) var(--s4);
  background: var(--blue);
  color: var(--white);
  padding: 0.55rem 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;

  a {
    color: var(--white);
    background-image: linear-gradient(#fff, #fff);
  }
}

.coin-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius-pill);
  padding: 0.28rem 0.8rem 0.28rem 0.45rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;

  &::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    background: var(--red);
    border-radius: 50%;
  }
}

/* Header / nav */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--ink);

  .wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--s3);
    padding: var(--s3) 0;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  background-image: none;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;

  img {
    width: 36px;
    height: 36px;
  }
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.15rem;
  font-size: 0.95rem;

  a {
    color: var(--ink);
    background-image: linear-gradient(var(--red), var(--red));
    font-weight: 600;
  }

  a[aria-current="page"] {
    background-size: 100% 2px;
    color: var(--red);
  }
}

.nav-toggle {
  display: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--white);
  border: 2px solid var(--ink);
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-bottom: var(--s3);
  }
  .site-nav.is-open { display: flex; }
}

/* Buttons — the site's single box-shadow */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  border: 2px solid var(--ink);
  background: var(--red);
  color: var(--white);
  padding: 0.7rem 1.05rem;
  cursor: pointer;
  box-shadow: var(--btn-shadow);
  text-decoration: none;
  background-image: none;
  line-height: 1;

  &:hover,
  &:focus-visible {
    background: var(--red-ink);
    background-size: auto;
  }

  &:active {
    box-shadow: 0 0 0 var(--ink);
    transform: translate(4px, 4px);
  }

  &:disabled {
    background: var(--line);
    color: var(--muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
  }
}

.btn--ghost {
  background: var(--white);
  color: var(--ink);

  &:hover,
  &:focus-visible {
    background: var(--blue-soft);
  }
}

.btn--blue {
  background: var(--blue);

  &:hover,
  &:focus-visible {
    background: var(--blue-ink);
  }
}

/* Tiles: left-accent border, no shadow (wildcard) */
.tile {
  background: var(--white);
  border: 0;
  border-left: 4px solid var(--blue);
  display: flex;
  flex-direction: column;
  min-height: 100%;

  img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-bottom: 1px solid var(--line);
  }

  &__body {
    padding: var(--s4);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    flex: 1;
  }

  &__body p { flex: 1; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  font-weight: 600;

  &::before {
    content: "";
    width: 0.45rem;
    height: 0.45rem;
    background: var(--red);
  }
}

/* Notched section joins */
.band {
  position: relative;
  padding: var(--s7) 0;
}

.band--paper { background: var(--paper); }
.band--blue {
  background: var(--blue);
  color: var(--white);

  h2, h3, .kicker { color: var(--white); }
  .kicker { color: #d7deff; }
  a { color: #fff; background-image: linear-gradient(#fff, #fff); }
}

.band--notch {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.band--notch-start {
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
}

.framed {
  border: 2px solid var(--ink);
}

.framed--offset {
  background: var(--white);
  outline: 8px solid var(--blue-soft);
  outline-offset: 0;
}

/* Hero split */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s6);
  padding: var(--s7) 0 var(--s6);
  align-items: center;
}

@media (min-width: 880px) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding: var(--s8) 0 var(--s7);
  }
}

.hero__copy p {
  font-size: 1.125rem;
  max-width: 48ch;
}

.hero__panel {
  background: var(--cabinet);
  color: var(--white);
  padding: var(--s3);
  border: 4px solid var(--ink);

  img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 3px solid #0c1230;
  }
}

.hero__caption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--s2) var(--s1) 0;
  color: #d7deff;
}

.free-strip {
  border-left: 4px solid var(--red);
  background: var(--red-soft);
  padding: var(--s4);
  margin: 0 0 var(--s6);

  p:last-child { margin-bottom: 0; }
}

/* Mosaic showcase */
.mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s4);
}

@media (min-width: 700px) {
  .mosaic {
    grid-template-columns: 1.4fr 1fr;
    grid-template-rows: auto auto;
  }

  .mosaic .tile:first-child {
    grid-row: 1 / span 2;
  }

  .mosaic .tile:first-child img {
    aspect-ratio: 4 / 5;
  }
}

@media (min-width: 700px) {
  .mosaic .tile:first-child .tile__body p {
    font-size: 1.05rem;
  }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.mosaic .tile {
  animation: rise 0.55s ease both;
}

.mosaic .tile:nth-child(1) { animation-delay: 0.04s; }
.mosaic .tile:nth-child(2) { animation-delay: 0.12s; }
.mosaic .tile:nth-child(3) { animation-delay: 0.2s; }
.mosaic .tile:nth-child(4) { animation-delay: 0.28s; }

/* Method strip */
.method {
  display: grid;
  gap: var(--s4);
  counter-reset: step;
}

@media (min-width: 760px) {
  .method { grid-template-columns: repeat(3, 1fr); }
}

.method__item {
  border-left: 4px solid var(--red);
  padding: 0 var(--s3);
  background: var(--white);

  &::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    font-family: var(--mono);
    font-size: 1.5rem;
    color: var(--blue);
    display: block;
    margin-bottom: var(--s2);
  }
}

/* Split with sidebar */
.split {
  display: grid;
  gap: var(--s6);
}

@media (min-width: 880px) {
  .split {
    grid-template-columns: 1.5fr 0.85fr;
    align-items: start;
  }
}

.sidebar-card {
  background: var(--blue);
  color: var(--white);
  padding: var(--s5);
  border-left: 4px solid var(--red);

  h2, h3 { color: var(--white); }
  a { color: #fff; background-image: linear-gradient(#fff, #fff); }
}

/* Picker */
.picker {
  display: grid;
  gap: var(--s3);
}

@media (min-width: 700px) {
  .picker { grid-template-columns: 1fr 1fr; }
}

.picker button {
  text-align: left;
  font-family: var(--body);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-left: 4px solid var(--blue);
  padding: var(--s4);
  cursor: pointer;
  box-shadow: none;

  strong {
    display: block;
    font-family: var(--display);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
  }

  &:hover { background: var(--blue-soft); }
  &:active { transform: none; }
}

.picker-result {
  margin-top: var(--s4);
  padding: var(--s4);
  background: var(--blue-soft);
  border-left: 4px solid var(--red);
  min-height: 4.5rem;
}

/* FAQ always visible */
.faq {
  display: grid;
  gap: var(--s5);
}

.faq__pair {
  display: grid;
  gap: var(--s4);
}

@media (min-width: 760px) {
  .faq__pair { grid-template-columns: 1fr 1fr; }
}

.myth {
  background: var(--paper);
  padding: var(--s4);
  border-left: 4px solid var(--muted);
}

.fact {
  background: var(--blue-soft);
  padding: var(--s4);
  border-left: 4px solid var(--blue);
}

.faq-item {
  border-left: 4px solid var(--red);
  padding: 0 var(--s4);
}

.faq-item h3 {
  font-size: 1.15rem;
}

/* Lists — bollard diamond glyph */
.prose ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s4);
}

.prose ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--blue);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.prose ol {
  list-style: none;
  counter-reset: item;
  padding: 0;
  margin: 0 0 var(--s4);
}

.prose ol li {
  counter-increment: item;
  padding-left: 2rem;
  margin-bottom: 0.55rem;
  position: relative;
}

.prose ol li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--red);
  top: 0.15em;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 0 0 var(--s4);
}

.prose th,
.prose td {
  text-align: left;
  padding: 0.65rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.prose th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}

.figure {
  margin: 0 0 var(--s5);

  img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 2px solid var(--ink);
  }

  figcaption {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: var(--s2);
  }
}

.layout-toc {
  display: grid;
  gap: var(--s6);
}

@media (min-width: 960px) {
  .layout-toc {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }

  .toc {
    position: sticky;
    top: 5.5rem;
  }
}

.toc {
  background: var(--paper);
  padding: var(--s4);
  border-left: 4px solid var(--blue);

  ol {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: toc;
  }

  li {
    counter-increment: toc;
    margin-bottom: 0.45rem;
    font-size: 0.9rem;
  }

  a {
    color: var(--ink);
    background-image: linear-gradient(var(--red), var(--red));
  }

  a::before {
    content: counter(toc, decimal-leading-zero) " ";
    font-family: var(--mono);
    color: var(--blue);
    font-size: 0.75rem;
  }
}

.disclaimer {
  background: var(--paper);
  padding: var(--s5);
  border-left: 4px solid var(--ink);
  font-size: 0.95rem;
}

/* Footer two-deck */
.site-footer {
  margin-top: var(--s6);
}

.footer-brand {
  background: var(--blue);
  color: var(--white);
  padding: var(--s7) 0 var(--s6);

  .brand { color: var(--white); background-image: none; }
  p { max-width: 48ch; }
  a { color: #fff; background-image: linear-gradient(#fff, #fff); }
}

.footer-legal {
  background: var(--ink);
  color: #c9cdd6;
  padding: var(--s3) 0;
  font-size: 0.8rem;

  .wrap {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2) var(--s4);
    justify-content: space-between;
    align-items: center;
  }

  a {
    color: #fff;
    background-image: linear-gradient(#fff, #fff);
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
  }
}

.help-links {
  font-size: 0.9rem;

  a { color: var(--white); background-image: linear-gradient(#fff, #fff); }
}

/* Cookie */
.cookie {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  width: min(calc(100% - 2rem), 28rem);
  background: var(--white);
  border: 2px solid var(--ink);
  border-left: 4px solid var(--red);
  padding: var(--s4);
  font-size: 0.92rem;

  .cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s2);
    margin-top: var(--s3);
  }
}

/* Games hub equal-ish rows */
.game-grid {
  display: grid;
  gap: var(--s4);
}

@media (min-width: 700px) {
  .game-grid { grid-template-columns: 1fr 1fr; }
}

/* Arcade cabinet */
.play-layout {
  display: grid;
  gap: var(--s4);
  padding: var(--s5) 0 var(--s7);
}

@media (min-width: 980px) {
  .play-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.7fr);
    align-items: start;
  }
}

.cabinet {
  background: var(--cabinet);
  border: 6px solid var(--ink);
  padding: 12px 12px 0;
}

.cabinet__marquee {
  font-family: var(--display);
  font-style: italic;
  color: var(--white);
  text-align: center;
  font-size: 1.4rem;
  padding: 0.35rem 0 0.7rem;
  letter-spacing: -0.02em;
}

.cabinet__bezel {
  background: #0b1024;
  border: 4px solid #3a4578;
  min-height: 320px;
  color: var(--white);
}

.cabinet__deck {
  background: var(--cabinet-face);
  margin: 0 -12px;
  padding: var(--s4) var(--s3);
  border-top: 4px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
}

.cabinet__caption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: var(--s2) 0 0;
}

.rail {
  background: var(--paper);
  border-left: 4px solid var(--blue);
  padding: var(--s4);
  font-size: 0.95rem;

  h2 { font-size: 1.15rem; }
}

.balance-readout {
  font-family: var(--mono);
  font-size: 0.95rem;
  background: var(--white);
  border-left: 4px solid var(--red);
  padding: 0.6rem 0.8rem;
  margin-bottom: var(--s3);
}

.live {
  min-height: 2.6em;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--blue-ink);
}

.bet-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
  margin: var(--s3) 0;
}

.bet-row label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

select, input[type="number"], input[type="text"], input[type="email"], textarea {
  font: inherit;
  border: 2px solid var(--ink);
  padding: 0.45rem 0.6rem;
  background: var(--white);
  color: var(--ink);
  border-radius: 0;
}

/* Memory */
.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px;
}

.mem-card {
  aspect-ratio: 1;
  border: 2px solid #9aa6d4;
  background: #1a3dcc;
  color: var(--white);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  cursor: pointer;
  font-family: var(--display);
  display: grid;
  place-items: center;
  padding: 0;

  &.is-up,
  &.is-match {
    background: var(--white);
    color: var(--ink);
    border-color: var(--white);
  }

  &.is-match {
    border-color: var(--red);
    color: var(--blue);
  }
}

.hud {
  display: flex;
  justify-content: space-between;
  gap: var(--s3);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #d7deff;
}

/* Hi-lo */
.hilo-stage {
  padding: var(--s5) var(--s3);
  text-align: center;
}

.fruit-card {
  width: min(180px, 46vw);
  height: min(220px, 56vw);
  margin: 0 auto var(--s4);
  background: var(--white);
  color: var(--ink);
  border: 4px solid var(--red);
  display: grid;
  place-items: center;
  font-size: 4rem;
  font-family: var(--display);
}

.hilo-meta {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #d7deff;
  margin-bottom: var(--s3);
}

/* Mines */
.mines-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 12px;
}

.mine-cell {
  aspect-ratio: 1;
  border: 2px solid #3a4578;
  background: repeating-linear-gradient(
    45deg,
    #e23a2b,
    #e23a2b 6px,
    #ffffff 6px,
    #ffffff 12px
  );
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0;
  color: var(--ink);

  &.is-safe {
    background: var(--white);
    border-color: var(--blue);
  }

  &.is-mine {
    background: var(--ink);
    color: var(--red);
    border-color: var(--red);
  }

  &.is-hidden {
    background: var(--blue);
    border-color: #9aa6d4;
    color: transparent;
  }
}

/* Solitaire */
.solitaire {
  overflow-x: auto;
  padding: 10px 8px 16px;
  min-height: 420px;
}

.sol-top,
.sol-tab {
  display: flex;
  gap: 8px;
  min-width: 560px;
}

.sol-top { margin-bottom: 16px; }

.pile {
  width: 72px;
  min-height: 96px;
  border: 2px dashed #3a4578;
  position: relative;
  flex: 0 0 72px;
}

.pile.is-target { border-color: var(--red); }

.playing-card {
  width: 72px;
  height: 100px;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  position: absolute;
  left: -2px;
  font-family: var(--display);
  font-size: 0.85rem;
  padding: 4px 5px;
  cursor: pointer;
  user-select: none;
  touch-action: none;
  line-height: 1.1;

  &.back {
    background:
      repeating-linear-gradient(45deg, #1a3dcc 0 6px, #132a8f 6px 12px);
    color: transparent;
    border-color: #9aa6d4;
  }

  &.red { color: var(--red); }
  &.selected {
    outline: 3px solid var(--red);
    outline-offset: 1px;
  }
}

.stock-btn {
  width: 72px;
  height: 100px;
  border: 2px solid #9aa6d4;
  background: #1a3dcc;
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.waste-fan .playing-card {
  position: relative;
  display: inline-block;
  margin-right: -40px;
}

.ach-grid {
  display: grid;
  gap: var(--s3);
}

@media (min-width: 700px) {
  .ach-grid { grid-template-columns: 1fr 1fr; }
}

.ach {
  background: var(--white);
  border-left: 4px solid var(--line);
  padding: var(--s4);

  &.is-on {
    border-left-color: var(--red);
  }

  .badge { margin-bottom: var(--s2); }
}

.form {
  display: grid;
  gap: var(--s3);
  max-width: 32rem;
}

.form label span {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  color: var(--blue);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.js-needed {
  padding: var(--s5);
  color: var(--white);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
}

.stack > * + * { margin-top: var(--s4); }

@media (max-width: 600px) {
  .cabinet { border-width: 4px; }
  .memory-grid, .mines-grid { gap: 5px; padding: 8px; }
  .playing-card, .pile, .stock-btn { width: 58px; }
  .playing-card, .stock-btn { height: 82px; }
  .pile { flex-basis: 58px; min-height: 82px; }
  .sol-top, .sol-tab { min-width: 460px; gap: 6px; }
}