/* ============================================================
   interface-native-81ca2c.css
   ok fun (ok-fun.cyou) - mobile-first base stylesheet
   Palette: #ECF0F1 / #DDA0DD / #E6E6FA / #141414 / #E9ECEF / #CC99FF
   Design: poster headings, border-dominant cards, restrained radii,
   dark canvas, state-color-only animation budget.
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --shell81ca2-bg: #141414;
  --shell81ca2-ink: #ECF0F1;
  --shell81ca2-plum: #DDA0DD;
  --shell81ca2-lavender: #E6E6FA;
  --shell81ca2-mist: #E9ECEF;
  --shell81ca2-violet: #CC99FF;
  --shell81ca2-dim: rgba(236, 240, 241, 0.64);
  --shell81ca2-faint: rgba(236, 240, 241, 0.40);
  --shell81ca2-line: rgba(236, 240, 241, 0.20);
  --shell81ca2-line-strong: rgba(204, 153, 255, 0.55);
  --shell81ca2-panel: rgba(236, 240, 241, 0.045);
  --shell81ca2-panel-deep: rgba(236, 240, 241, 0.08);
  --shell81ca2-ink-on-fill: #141414;
  --shell81ca2-touch: 44px;
  --shell81ca2-radius: 8px;
  --shell81ca2-radius-tight: 6px;
  --shell81ca2-pad: 14px;
}

/* ---------- reset / base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--shell81ca2-bg);
  color: var(--shell81ca2-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

button, a {
  -webkit-tap-highlight-color: rgba(221, 160, 221, 0.25);
  touch-action: manipulation;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

a { color: var(--shell81ca2-violet); text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--shell81ca2-violet);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- app frame: phone canvas centered on wide screens ---------- */
.shell81ca2-app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--shell81ca2-bg);
  position: relative;
}

@media (min-width: 520px) {
  .shell81ca2-app {
    border-left: 1px solid var(--shell81ca2-line);
    border-right: 1px solid var(--shell81ca2-line);
    min-height: 100vh;
  }
}

.shell81ca2-sr {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- header: brand + action dual layer ---------- */
.shell81ca2-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(20, 20, 20, 0.96);
  border-bottom: 2px solid var(--shell81ca2-line-strong);
}

.shell81ca2-head-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 8px var(--shell81ca2-pad) 8px 8px;
}

.shell81ca2-menu-btn {
  flex: 0 0 auto;
  width: var(--shell81ca2-touch);
  height: var(--shell81ca2-touch);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-lavender);
}

.shell81ca2-menu-btn svg { width: 20px; height: 20px; }

.shell81ca2-menu-btn[aria-expanded="true"] {
  border-color: var(--shell81ca2-violet);
  color: var(--shell81ca2-violet);
}

.shell81ca2-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.shell81ca2-brand img {
  width: 34px; height: 34px;
  border-radius: var(--shell81ca2-radius-tight);
  border: 2px solid var(--shell81ca2-line-strong);
  object-fit: cover;
  flex: 0 0 auto;
}

.shell81ca2-brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shell81ca2-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* action layer: Register + Login live apart from the brand layer */
.shell81ca2-head-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 var(--shell81ca2-pad) 10px;
}

.shell81ca2-register {
  min-height: var(--shell81ca2-touch);
  border-radius: var(--shell81ca2-radius);
  border: 2px solid var(--shell81ca2-violet);
  background: var(--shell81ca2-violet);
  color: var(--shell81ca2-ink-on-fill);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.shell81ca2-register:active { background: var(--shell81ca2-lavender); border-color: var(--shell81ca2-lavender); }

.shell81ca2-login {
  min-height: var(--shell81ca2-touch);
  border-radius: var(--shell81ca2-radius);
  border: 2px solid var(--shell81ca2-plum);
  background: transparent;
  color: var(--shell81ca2-plum);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.shell81ca2-login:active { background: rgba(221, 160, 221, 0.18); color: var(--shell81ca2-lavender); }

/* ---------- full-height menu layer ---------- */
.shell81ca2-scrim {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(20, 20, 20, 0.72);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.shell81ca2-menu {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 60;
  width: min(84%, 340px);
  background: #141414;
  border-right: 2px solid var(--shell81ca2-line-strong);
  transform: translateX(-102%);
  transition: transform 0.22s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
}

.shell81ca2-is-open .shell81ca2-scrim { opacity: 1; visibility: visible; }
.shell81ca2-is-open .shell81ca2-menu { transform: translateX(0); }

.shell81ca2-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 12px;
  border-bottom: 2px solid var(--shell81ca2-line);
}

.shell81ca2-menu-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--shell81ca2-faint);
}

.shell81ca2-menu-close {
  width: var(--shell81ca2-touch);
  height: var(--shell81ca2-touch);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-lavender);
}

.shell81ca2-menu-close svg { width: 18px; height: 18px; }

.shell81ca2-menu-group-label {
  padding: 16px 16px 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--shell81ca2-plum);
}

.shell81ca2-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--shell81ca2-line);
  color: var(--shell81ca2-ink);
  font-size: 15px;
}

.shell81ca2-menu a span {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-violet);
}

.shell81ca2-menu a svg { width: 15px; height: 15px; }

.shell81ca2-menu a:active { background: var(--shell81ca2-panel-deep); }

.shell81ca2-menu a[aria-current="page"] {
  border-left: 4px solid var(--shell81ca2-violet);
  padding-left: 12px;
  color: var(--shell81ca2-violet);
  font-weight: 700;
}

/* ---------- main ---------- */
.shell81ca2-main {
  padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
}

.shell81ca2-sec {
  padding: 22px var(--shell81ca2-pad) 8px;
}

/* poster-feel headings, narrow body */
.shell81ca2-h1 {
  font-size: 26px;
  line-height: 1.18;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 18px var(--shell81ca2-pad) 0;
}

.shell81ca2-h1 em {
  font-style: normal;
  color: var(--shell81ca2-violet);
}

.shell81ca2-lede {
  padding: 10px var(--shell81ca2-pad) 0;
  max-width: 42ch;
  color: var(--shell81ca2-dim);
}

.shell81ca2-h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 19px;
  line-height: 1.25;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-left: 4px solid var(--shell81ca2-plum);
  padding-left: 10px;
  margin-bottom: 10px;
  overflow-wrap: anywhere;
}

.shell81ca2-h2 .shell81ca2-count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--shell81ca2-faint);
  border: 1px solid var(--shell81ca2-line);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
}

.shell81ca2-h3 {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shell81ca2-plum);
  margin: 0 0 8px;
}

.shell81ca2-sec-copy {
  max-width: 46ch;
  color: var(--shell81ca2-dim);
  margin-bottom: 12px;
  overflow-wrap: anywhere;
}

.shell81ca2-sec-copy strong { color: var(--shell81ca2-ink); font-weight: 700; }

.shell81ca2-sec-copy a {
  color: var(--shell81ca2-violet);
  border-bottom: 1px solid var(--shell81ca2-line-strong);
  font-weight: 600;
}

/* ---------- hero carousel ---------- */
.shell81ca2-hero {
  position: relative;
  margin: 14px var(--shell81ca2-pad) 0;
  border: 2px solid var(--shell81ca2-line-strong);
  border-radius: 10px;
  overflow: hidden;
  background: var(--shell81ca2-panel);
}

.shell81ca2-hero-track {
  position: relative;
  aspect-ratio: 21 / 10;
}

.shell81ca2-slide {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%; height: 100%;
  padding: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.shell81ca2-slide.shell81ca2-on { opacity: 1; }

.shell81ca2-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.shell81ca2-slide-tag {
  position: absolute;
  left: 10px; bottom: 10px;
  max-width: calc(100% - 20px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(20, 20, 20, 0.85);
  border: 2px solid var(--shell81ca2-plum);
  border-radius: var(--shell81ca2-radius-tight);
  padding: 6px 10px;
  color: var(--shell81ca2-lavender);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell81ca2-slide-tag svg { width: 14px; height: 14px; color: var(--shell81ca2-violet); flex: 0 0 auto; }

.shell81ca2-dots {
  position: absolute;
  right: 10px; bottom: 12px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.shell81ca2-dot {
  width: 22px; height: 6px;
  border: 1px solid var(--shell81ca2-plum);
  border-radius: 3px;
  background: transparent;
  padding: 0;
}

.shell81ca2-dot.shell81ca2-on { background: var(--shell81ca2-violet); border-color: var(--shell81ca2-violet); }

/* quick chips under hero */
.shell81ca2-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px var(--shell81ca2-pad) 0;
}

.shell81ca2-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--shell81ca2-lavender);
  background: var(--shell81ca2-panel);
}

.shell81ca2-chip svg { width: 13px; height: 13px; color: var(--shell81ca2-plum); flex: 0 0 auto; }

/* ---------- game grids ---------- */
.shell81ca2-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

@media (min-width: 384px) {
  .shell81ca2-grid { grid-template-columns: repeat(5, 1fr); gap: 11px; }
}

.shell81ca2-tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 6px 7px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius);
  background: var(--shell81ca2-panel);
  text-align: center;
  overflow-wrap: anywhere;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  min-width: 0;
}

.shell81ca2-tile:active {
  border-color: var(--shell81ca2-violet);
  background: var(--shell81ca2-panel-deep);
}

.shell81ca2-tile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 5px;
  background: rgba(236, 240, 241, 0.06);
}

.shell81ca2-tile-name {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  font-size: 10.5px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--shell81ca2-mist);
  min-height: 2.6em;
  word-break: break-word;
}

a.shell81ca2-tile { color: inherit; }

/* large mixed feature cards */
.shell81ca2-features-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  margin-bottom: 12px;
}

.shell81ca2-feature-tile {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--shell81ca2-line-strong);
  border-radius: 10px;
  background: var(--shell81ca2-panel);
  overflow: hidden;
  text-align: left;
  min-width: 0;
  transition: border-color 0.2s ease;
}

.shell81ca2-feature-tile:active { border-color: var(--shell81ca2-violet); }

.shell81ca2-feature-tile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.shell81ca2-feature-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 9px 10px;
}

.shell81ca2-feature-flag {
  align-self: flex-start;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--shell81ca2-ink-on-fill);
  background: var(--shell81ca2-plum);
  border-radius: 4px;
  padding: 1px 6px;
}

.shell81ca2-feature-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--shell81ca2-ink);
  overflow-wrap: anywhere;
}

.shell81ca2-feature-note {
  font-size: 11px;
  line-height: 1.45;
  color: var(--shell81ca2-dim);
}

/* horizontal strip for live tables */
.shell81ca2-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 31%;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 2px 2px 10px;
  margin: 0 calc(-1 * var(--shell81ca2-pad));
  padding-left: var(--shell81ca2-pad);
  padding-right: var(--shell81ca2-pad);
  scrollbar-width: thin;
  scrollbar-color: var(--shell81ca2-line-strong) transparent;
}

.shell81ca2-strip .shell81ca2-tile { scroll-snap-align: start; }

.shell81ca2-strip-hint {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--shell81ca2-faint);
  margin: 0 0 10px;
}

/* ---------- CTA band ---------- */
.shell81ca2-cta-band {
  margin: 22px var(--shell81ca2-pad) 6px;
  border: 2px solid var(--shell81ca2-violet);
  border-radius: 12px;
  background: var(--shell81ca2-panel);
  padding: 16px 14px;
  text-align: center;
}

.shell81ca2-cta-title {
  font-size: 18px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  overflow-wrap: anywhere;
}

.shell81ca2-cta-copy {
  font-size: 13px;
  color: var(--shell81ca2-dim);
  max-width: 40ch;
  margin: 0 auto 14px;
}

.shell81ca2-cta-copy a { color: var(--shell81ca2-violet); font-weight: 700; }

.shell81ca2-cta {
  display: block;
  width: 100%;
  min-height: 52px;
  border: 2px solid var(--shell81ca2-lavender);
  border-radius: var(--shell81ca2-radius);
  background: var(--shell81ca2-violet);
  color: var(--shell81ca2-ink-on-fill);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.shell81ca2-cta:active { background: var(--shell81ca2-lavender); border-color: var(--shell81ca2-plum); }

.shell81ca2-cta + .shell81ca2-cta { margin-top: 10px; }

.shell81ca2-cta-ghost {
  background: transparent;
  color: var(--shell81ca2-plum);
  border-color: var(--shell81ca2-plum);
}

.shell81ca2-cta-ghost:active { background: rgba(221, 160, 221, 0.16); }

/* ---------- info modules ---------- */
.shell81ca2-mod {
  margin: 6px var(--shell81ca2-pad) 6px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: 12px;
  background: var(--shell81ca2-panel);
  padding: 14px 13px 16px;
}

.shell81ca2-mod + .shell81ca2-mod { margin-top: 14px; }

/* numbered feature rows */
.shell81ca2-frow {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 0;
  border-bottom: 1px solid var(--shell81ca2-line);
}

.shell81ca2-frow:last-child { border-bottom: none; padding-bottom: 2px; }

.shell81ca2-frow-num {
  flex: 0 0 auto;
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-plum);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-plum);
  font-size: 13px;
  font-weight: 900;
}

.shell81ca2-frow-body { min-width: 0; }

.shell81ca2-frow-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--shell81ca2-ink);
  margin-bottom: 2px;
  overflow-wrap: anywhere;
}

.shell81ca2-frow-text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--shell81ca2-dim);
  overflow-wrap: anywhere;
}

.shell81ca2-frow-text a { color: var(--shell81ca2-violet); font-weight: 700; }

/* short-paragraph list rows (tricks) */
.shell81ca2-trick {
  border-left: 3px solid var(--shell81ca2-plum);
  padding: 8px 0 8px 12px;
  margin-bottom: 10px;
}

.shell81ca2-trick:last-child { margin-bottom: 0; }

.shell81ca2-trick-title {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--shell81ca2-lavender);
  margin-bottom: 2px;
  overflow-wrap: anywhere;
}

.shell81ca2-trick-text {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--shell81ca2-dim);
  overflow-wrap: anywhere;
}

.shell81ca2-trick-text a { color: var(--shell81ca2-violet); font-weight: 700; }

/* ordered steps */
.shell81ca2-steps { list-style: none; counter-reset: shell81ca2-step; }

.shell81ca2-steps li {
  counter-increment: shell81ca2-step;
  position: relative;
  padding: 0 0 14px 46px;
}

.shell81ca2-steps li:last-child { padding-bottom: 0; }

.shell81ca2-steps li::before {
  content: counter(shell81ca2-step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 1px;
  width: 32px; height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-violet);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-violet);
  font-size: 12px;
  font-weight: 900;
}

.shell81ca2-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 15px; top: 36px; bottom: 2px;
  width: 2px;
  background: var(--shell81ca2-line);
}

.shell81ca2-step-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--shell81ca2-ink);
  margin-bottom: 2px;
  overflow-wrap: anywhere;
}

.shell81ca2-step-text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--shell81ca2-dim);
  overflow-wrap: anywhere;
}

.shell81ca2-step-text a { color: var(--shell81ca2-violet); font-weight: 700; }

/* fact summary */
.shell81ca2-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

@media (min-width: 384px) {
  .shell81ca2-facts { grid-template-columns: 1fr 1fr; }
}

.shell81ca2-fact {
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  padding: 9px 10px;
  min-width: 0;
}

.shell81ca2-fact dt {
  font-size: 10.5px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--shell81ca2-plum);
  margin-bottom: 3px;
}

.shell81ca2-fact dd {
  font-size: 13px;
  line-height: 1.45;
  color: var(--shell81ca2-mist);
  overflow-wrap: anywhere;
}

.shell81ca2-fact dd a { color: var(--shell81ca2-violet); font-weight: 700; }

/* ---------- extended footer ---------- */
.shell81ca2-ext {
  margin-top: 24px;
  border-top: 2px solid var(--shell81ca2-line-strong);
  padding: 18px var(--shell81ca2-pad) 8px;
}

.shell81ca2-ext-group { margin-bottom: 20px; }

.shell81ca2-ext-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--shell81ca2-plum);
  margin-bottom: 10px;
}

.shell81ca2-ext-heading svg { width: 14px; height: 14px; color: var(--shell81ca2-violet); flex: 0 0 auto; }

.shell81ca2-dir {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.shell81ca2-dir a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  background: var(--shell81ca2-panel);
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--shell81ca2-lavender);
  min-height: 36px;
  transition: border-color 0.2s ease, color 0.2s ease;
  overflow-wrap: anywhere;
}

.shell81ca2-dir a:active { border-color: var(--shell81ca2-violet); color: var(--shell81ca2-violet); }

.shell81ca2-dir a svg { width: 12px; height: 12px; color: var(--shell81ca2-plum); flex: 0 0 auto; }

.shell81ca2-ext-brand {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--shell81ca2-dim);
  max-width: 46ch;
  overflow-wrap: anywhere;
}

.shell81ca2-ext-brand a { color: var(--shell81ca2-violet); font-weight: 700; }

/* promotion shortcut row: 5 actions */
.shell81ca2-promo-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.shell81ca2-promo-act {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 62px;
  padding: 8px 2px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius);
  background: var(--shell81ca2-panel);
  transition: border-color 0.2s ease;
}

.shell81ca2-promo-act:active { border-color: var(--shell81ca2-violet); }

.shell81ca2-promo-act span:first-child {
  width: 26px; height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-plum);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-violet);
}

.shell81ca2-promo-act svg { width: 14px; height: 14px; }

.shell81ca2-promo-act b {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--shell81ca2-lavender);
  text-align: center;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.shell81ca2-ext-note {
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--shell81ca2-faint);
  border: 1px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  padding: 9px 10px;
  overflow-wrap: anywhere;
}

/* ---------- common footer ---------- */
.shell81ca2-footer {
  border-top: 2px solid var(--shell81ca2-line);
  padding: 14px var(--shell81ca2-pad) 12px;
  text-align: center;
}

.shell81ca2-footer p {
  font-size: 11.5px;
  color: var(--shell81ca2-faint);
  letter-spacing: 0.04em;
}

/* ---------- fixed bottom nav: outlined functional bar ---------- */
.shell81ca2-bnav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: 480px;
  z-index: 45;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(20, 20, 20, 0.97);
  border-top: 2px solid var(--shell81ca2-violet);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.shell81ca2-bnav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 58px;
  padding: 6px 2px 8px;
  color: var(--shell81ca2-dim);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
}

/* active state: top indicator line */
.shell81ca2-bnav-item::before {
  content: "";
  position: absolute;
  top: -2px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 3px;
  background: var(--shell81ca2-plum);
  transition: width 0.18s ease;
}

.shell81ca2-bnav-item.shell81ca2-active { color: var(--shell81ca2-violet); }

.shell81ca2-bnav-item.shell81ca2-active::before { width: 70%; }

.shell81ca2-bnav-item svg { width: 21px; height: 21px; }

.shell81ca2-bnav-item span.shell81ca2-nav-ico {
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-lavender);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.shell81ca2-bnav-item.shell81ca2-active span.shell81ca2-nav-ico {
  border-color: var(--shell81ca2-violet);
  color: var(--shell81ca2-violet);
}

.shell81ca2-bnav-item b { font-weight: 800; line-height: 1.2; max-width: 100%; overflow-wrap: anywhere; }

/* wide-phone canvas: 430px and up */
@media (min-width: 430px) {
  .shell81ca2-h1 { font-size: 29px; }
  .shell81ca2-tile-name { font-size: 11px; }
  .shell81ca2-promo-act b { font-size: 10px; }
  .shell81ca2-slide-tag { font-size: 12.5px; }
}

/* ---------- motion budget: state colors only; respect reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- help-page additions ---------- */
.shell81ca2-brand-row {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 8px var(--shell81ca2-pad);
}

.shell81ca2-action-row {
  display: grid;
  grid-template-columns: 44px 1fr 1fr;
  gap: 8px;
  padding: 0 var(--shell81ca2-pad) 10px;
}

.shell81ca2-action-row .shell81ca2-menu-btn { width: 44px; height: 44px; }

.shell81ca2-page-intro { padding: 18px var(--shell81ca2-pad) 6px; }
.shell81ca2-page-intro .shell81ca2-h1 { padding: 0; }
.shell81ca2-page-intro p { margin-top: 10px; color: var(--shell81ca2-dim); max-width: 46ch; }

.shell81ca2-callout {
  margin: 12px var(--shell81ca2-pad) 16px;
  padding: 14px 13px;
  border: 2px solid var(--shell81ca2-violet);
  border-radius: 10px;
  background: var(--shell81ca2-panel-deep);
}

.shell81ca2-callout strong { display: block; color: var(--shell81ca2-lavender); margin-bottom: 4px; }
.shell81ca2-callout p { color: var(--shell81ca2-dim); font-size: 13px; }

.shell81ca2-rule-list { list-style: none; margin: 0; padding: 0; }
.shell81ca2-rule-list li {
  position: relative;
  margin: 0;
  padding: 12px 0 12px 38px;
  border-bottom: 1px solid var(--shell81ca2-line);
  color: var(--shell81ca2-dim);
  font-size: 13px;
}
.shell81ca2-rule-list li:last-child { border-bottom: 0; padding-bottom: 2px; }
.shell81ca2-rule-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 11px;
  width: 25px; height: 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--shell81ca2-plum);
  border-radius: 4px;
  color: var(--shell81ca2-violet);
  font-weight: 900;
}

.shell81ca2-issue-grid { display: grid; gap: 10px; }
.shell81ca2-issue {
  border-left: 4px solid var(--shell81ca2-plum);
  padding: 10px 11px;
  background: var(--shell81ca2-panel);
}
.shell81ca2-issue h3 { margin: 0 0 4px; color: var(--shell81ca2-lavender); font-size: 14px; }
.shell81ca2-issue p { color: var(--shell81ca2-dim); font-size: 13px; }
.shell81ca2-issue p + p { margin-top: 6px; }
.shell81ca2-issue b { color: var(--shell81ca2-ink); }

.shell81ca2-answer {
  padding: 12px 0;
  border-top: 1px solid var(--shell81ca2-line);
  color: var(--shell81ca2-dim);
  font-size: 13px;
}
.shell81ca2-answer:first-of-type { border-top: 0; }
.shell81ca2-answer h3 { margin-bottom: 4px; color: var(--shell81ca2-lavender); font-size: 14px; }
.shell81ca2-answer a, .shell81ca2-rule-list a { color: var(--shell81ca2-violet); font-weight: 700; }

.shell81ca2-promo-line {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  margin-top: 10px;
  padding: 8px 10px;
  border: 2px solid var(--shell81ca2-line-strong);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-lavender);
  text-align: left;
  font-size: 13px;
  font-weight: 800;
}
.shell81ca2-promo-line span { color: var(--shell81ca2-violet); font-size: 18px; }
.shell81ca2-promo-line:active { border-color: var(--shell81ca2-violet); }

.shell81ca2-note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.shell81ca2-note {
  padding: 10px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-dim);
  font-size: 12.5px;
}
.shell81ca2-note b { display: block; margin-bottom: 3px; color: var(--shell81ca2-plum); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

.shell81ca2-link-row { display: grid; gap: 8px; }
.shell81ca2-link-row a {
  display: block;
  min-height: 44px;
  padding: 10px 11px;
  border: 2px solid var(--shell81ca2-line);
  border-radius: var(--shell81ca2-radius-tight);
  color: var(--shell81ca2-lavender);
  font-weight: 700;
}
.shell81ca2-link-row a:active { border-color: var(--shell81ca2-violet); }

.shell81ca2-safety-list { list-style: none; padding: 0; margin: 0; counter-reset: shell81ca2-safety; }
.shell81ca2-safety-list li { counter-increment: shell81ca2-safety; padding: 11px 0 11px 34px; position: relative; border-bottom: 1px solid var(--shell81ca2-line); color: var(--shell81ca2-dim); font-size: 13px; }
.shell81ca2-safety-list li::before { content: counter(shell81ca2-safety, decimal-leading-zero); position: absolute; left: 0; top: 10px; color: var(--shell81ca2-violet); font-weight: 900; }
.shell81ca2-safety-list li:last-child { border-bottom: 0; }

.shell81ca2-alert { border-color: var(--shell81ca2-plum); background: rgba(221,160,221,.08); }

@media (max-width: 360px) {
  .shell81ca2-action-row { grid-template-columns: 44px 1fr 1fr; gap: 5px; padding-left: 10px; padding-right: 10px; }
  .shell81ca2-action-row .shell81ca2-register, .shell81ca2-action-row .shell81ca2-login { font-size: 12px; letter-spacing: .07em; }
}