/* ==========================================================================
   CS168 - cs168.homes surface stylesheet
   Class prefix ......... layera3457-
   Canvas ............... 320-430px phone layout, centered on wide screens
   Palette .............. #0D1117 base / #AD1457 accent / #FFCCCB light / #999 mist
   Visual tone .......... poster headings + narrow body, near-square corners,
                          mixed big/small game tiles, light press feedback only
   ========================================================================== */

/* ---------- design tokens ---------- */
:root {
  --layera3457-bg: #0D1117;
  --layera3457-bg-deep: #07090d;
  --layera3457-panel: #141a23;
  --layera3457-panel-2: #1b2331;
  --layera3457-rose: #AD1457;
  --layera3457-rose-hot: #d5236f;
  --layera3457-rose-deep: #6d0c38;
  --layera3457-blush: #FFCCCB;
  --layera3457-ink: #e6dcdc;
  --layera3457-mist: #999999;
  --layera3457-line: rgba(255, 204, 203, 0.16);
  --layera3457-line-soft: rgba(255, 204, 203, 0.09);
  --layera3457-font-display: 'Oswald', 'Arial Narrow', 'Helvetica Neue', sans-serif;
  --layera3457-font-body: 'Archivo Narrow', 'Segoe UI', Arial, sans-serif;
  --layera3457-r: 3px;
  --layera3457-r-chip: 4px;
  --layera3457-pad: 14px;
  --layera3457-head-h: 102px;
  --layera3457-dock-h: 62px;
}

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

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

body {
  background: var(--layera3457-bg-deep);
  color: var(--layera3457-ink);
  font: 400 15px/1.55 var(--layera3457-font-body);
  overflow-x: hidden;
  min-height: 100vh;
}

img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: var(--layera3457-blush); text-decoration: none; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--layera3457-blush);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- phone canvas shell ---------- */
.layera3457-shell {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--layera3457-bg);
  overflow-x: clip;
}

@media (min-width: 430px) {
  .layera3457-shell {
    border-left: 1px solid var(--layera3457-line-soft);
    border-right: 1px solid var(--layera3457-line-soft);
    box-shadow: 0 0 42px rgba(0, 0, 0, 0.55);
  }
}

/* ---------- skip link ---------- */
.layera3457-skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 90;
  background: var(--layera3457-rose);
  color: #fff;
  padding: 9px 14px;
  font-size: 13px;
  border-radius: var(--layera3457-r);
  transition: top 0.18s ease;
}
.layera3457-skip:focus { top: 8px; }

/* ==========================================================================
   Top bar: compact brand row + action row (register / login / menu)
   ========================================================================== */
.layera3457-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 70;
  background: rgba(13, 17, 23, 0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--layera3457-line);
}

.layera3457-toprow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 12px;
}

/* brand zone: logo image + site name only */
.layera3457-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
}
.layera3457-brand img {
  width: 32px;
  height: 32px;
  border-radius: var(--layera3457-r);
  border: 1px solid var(--layera3457-line);
  object-fit: cover;
}
.layera3457-brandname {
  font: 600 21px/1 var(--layera3457-font-display);
  letter-spacing: 1.5px;
  color: var(--layera3457-blush);
  text-transform: uppercase;
}

/* hamburger trigger */
.layera3457-burger {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--layera3457-r);
  border: 1px solid var(--layera3457-line);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}
.layera3457-burgerbar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--layera3457-blush);
  transition: transform 0.2s ease, opacity 0.15s ease;
}
.layera3457-burger.is-open { background: var(--layera3457-panel-2); border-color: var(--layera3457-rose); }
.layera3457-burger.is-open .layera3457-burgerbar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.layera3457-burger.is-open .layera3457-burgerbar:nth-child(2) { opacity: 0; }
.layera3457-burger.is-open .layera3457-burgerbar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* action row: primary register is larger than ghost login */
.layera3457-actrow {
  display: flex;
  gap: 8px;
  padding: 0 12px 10px;
}
.layera3457-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  border-radius: var(--layera3457-r);
  font: 500 14px/1 var(--layera3457-font-display);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  transition: transform 0.12s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.layera3457-btn:active { transform: scale(0.97); }
.layera3457-btn--primary {
  flex: 1.7;
  background: var(--layera3457-rose);
  color: #ffffff;
  border: 1px solid var(--layera3457-rose);
}
.layera3457-btn--primary:hover { background: var(--layera3457-rose-hot); }
.layera3457-btn--ghost {
  flex: 1;
  background: transparent;
  color: var(--layera3457-blush);
  border: 1px solid var(--layera3457-line);
}
.layera3457-btn--ghost:hover { border-color: var(--layera3457-blush); background: rgba(255, 204, 203, 0.06); }

/* ==========================================================================
   Stacked overlay menu
   ========================================================================== */
.layera3457-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: rgba(7, 9, 13, 0.985);
  padding: calc(var(--layera3457-head-h) + 8px) 16px 24px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}
.layera3457-menu.is-open { opacity: 1; visibility: visible; }

.layera3457-menu-tag {
  font: 500 11px/1 var(--layera3457-font-display);
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--layera3457-mist);
  padding: 14px 4px 8px;
  border-bottom: 1px dashed var(--layera3457-line-soft);
}
.layera3457-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  padding: 0 10px;
  margin-top: 6px;
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  font: 500 15.5px/1.2 var(--layera3457-font-display);
  letter-spacing: 0.4px;
  color: var(--layera3457-ink);
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.layera3457-menu-link::after {
  content: "";
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--layera3457-mist);
  border-right: 2px solid var(--layera3457-mist);
  transform: rotate(45deg);
  flex: none;
}
.layera3457-menu-link:hover { background: var(--layera3457-panel); border-color: var(--layera3457-line); }
.layera3457-menu-link.is-here {
  background: rgba(173, 20, 87, 0.24);
  border-color: var(--layera3457-rose);
  color: var(--layera3457-blush);
}
.layera3457-menu-cta {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

/* ==========================================================================
   Main flow
   ========================================================================== */
.layera3457-main {
  padding-top: calc(var(--layera3457-head-h) + 6px);
  padding-bottom: calc(var(--layera3457-dock-h) + 34px);
}

/* ---------- hero ---------- */
.layera3457-hero { padding: 14px var(--layera3457-pad) 4px; }

.layera3457-hero h1 {
  font: 600 27px/1.16 var(--layera3457-font-display);
  letter-spacing: 0.4px;
  color: var(--layera3457-blush);
  text-wrap: balance;
}
.layera3457-hero h1 em {
  font-style: normal;
  color: #ffffff;
  background: linear-gradient(0deg, rgba(173, 20, 87, 0.55), rgba(173, 20, 87, 0.55));
  padding: 0 4px;
  border-radius: 2px;
}
.layera3457-hero-rule {
  width: 64px;
  height: 3px;
  background: var(--layera3457-rose);
  margin: 10px 0 10px;
}

.layera3457-hero-lede {
  font-size: 14.5px;
  color: var(--layera3457-ink);
  max-width: 40ch;
}
.layera3457-hero-lede strong { color: var(--layera3457-blush); font-weight: 600; }

.layera3457-chipline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.layera3457-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 4px 10px;
  font-size: 11.5px;
  color: var(--layera3457-blush);
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r-chip);
}
.layera3457-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--layera3457-rose-hot);
  border-radius: 1px;
  flex: none;
}

/* staggered hero CTAs: big primary + compact secondary */
.layera3457-heroc {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin-top: 14px;
}
.layera3457-cta-main {
  flex: 1.8;
  min-height: 50px;
  background: var(--layera3457-rose);
  border: 1px solid var(--layera3457-rose);
  color: #fff;
  border-radius: var(--layera3457-r);
  font: 600 15px/1 var(--layera3457-font-display);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: transform 0.12s ease, background-color 0.18s ease;
}
.layera3457-cta-main:hover { background: var(--layera3457-rose-hot); }
.layera3457-cta-main:active { transform: scale(0.97); }
.layera3457-cta-sub {
  flex: 1;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border: 1px solid var(--layera3457-line);
  border-radius: var(--layera3457-r);
  color: var(--layera3457-blush);
  font: 500 12.5px/1.2 var(--layera3457-font-body);
  text-align: center;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}
.layera3457-cta-sub:hover { border-color: var(--layera3457-blush); background: rgba(255, 204, 203, 0.05); }

/* ==========================================================================
   Banner carousel
   ========================================================================== */
.layera3457-carousel {
  position: relative;
  height: 190px;
  margin: 16px var(--layera3457-pad) 4px;
  border: 1px solid var(--layera3457-line);
  border-radius: var(--layera3457-r-chip);
  overflow: hidden;
  background: var(--layera3457-panel);
}
.layera3457-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0.45s ease;
  text-align: left;
}
.layera3457-slide.is-on { opacity: 1; visibility: visible; }
.layera3457-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.layera3457-slide-capture {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 26px 12px 10px;
  background: linear-gradient(180deg, rgba(13, 17, 23, 0) 0%, rgba(13, 17, 23, 0.92) 78%);
}
.layera3457-slide-t {
  font: 600 16px/1.2 var(--layera3457-font-display);
  color: #ffffff;
}
.layera3457-slide-d {
  font-size: 11.5px;
  color: var(--layera3457-blush);
  margin-top: 3px;
}
.layera3457-slide-go {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  background: var(--layera3457-rose);
  color: #fff;
  font: 500 12px/1 var(--layera3457-font-display);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  border-radius: var(--layera3457-r);
  transition: background-color 0.18s ease;
}
.layera3457-slide-go:hover { background: var(--layera3457-rose-hot); }

/* square pager dots: tool feel */
.layera3457-dots {
  position: absolute;
  right: 10px;
  top: 10px;
  display: flex;
  gap: 5px;
  z-index: 2;
}
.layera3457-dot {
  width: 22px;
  height: 8px;
  background: rgba(255, 204, 203, 0.35);
  border: 1px solid rgba(13, 17, 23, 0.4);
  border-radius: 1px;
  transition: background-color 0.2s ease;
}
.layera3457-dot.is-on { background: var(--layera3457-rose-hot); }

@media (max-width: 359px) {
  .layera3457-carousel { height: 164px; }
  .layera3457-hero h1 { font-size: 23px; }
}

/* ==========================================================================
   Game sections
   ========================================================================== */
.layera3457-sec { padding: 18px var(--layera3457-pad) 2px; }

.layera3457-sec-head {
  display: flex;
  align-items: center;
  gap: 8px;
}
.layera3457-eyebrow {
  flex: none;
  font: 600 10.5px/1 var(--layera3457-font-display);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--layera3457-rose);
  padding: 6px 9px;
  border-radius: 2px;
}
.layera3457-sec h2 {
  font: 600 18.5px/1.25 var(--layera3457-font-display);
  letter-spacing: 0.2px;
  color: #ffffff;
  text-wrap: balance;
}

.layera3457-lede {
  font-size: 13.8px;
  color: var(--layera3457-ink);
  margin-top: 9px;
}
.layera3457-lede a {
  text-decoration: underline;
  text-decoration-color: var(--layera3457-rose-hot);
  text-underline-offset: 3px;
}
.layera3457-lede strong { color: var(--layera3457-blush); font-weight: 600; }

.layera3457-secmeta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}
.layera3457-secmeta span {
  font-size: 11px;
  color: var(--layera3457-mist);
  border: 1px dashed var(--layera3457-line);
  border-radius: 2px;
  padding: 3px 8px;
}

/* tile grid: 4 columns on 320-389px, 5 columns from 390px up */
.layera3457-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
@media (min-width: 390px) {
  .layera3457-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.layera3457-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 7px 5px 8px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.12s ease;
}
.layera3457-tile:hover { border-color: var(--layera3457-line); background: var(--layera3457-panel-2); }
.layera3457-tile:active { transform: scale(0.95); border-color: var(--layera3457-rose-hot); }
.layera3457-tile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 2px;
  background: var(--layera3457-bg);
}
.layera3457-tile-name {
  font: 500 11px/1.25 var(--layera3457-font-body);
  color: var(--layera3457-ink);
  text-align: center;
  width: 100%;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  min-height: 28px;
  overflow-wrap: break-word;
}

/* wide feature tile: first game of each hall, horizontal layout */
.layera3457-tile--wide {
  grid-column: span 2;
  flex-direction: row;
  text-align: left;
  padding: 9px;
  gap: 10px;
  align-items: center;
  background: linear-gradient(120deg, var(--layera3457-panel-2), var(--layera3457-panel));
  border-color: var(--layera3457-line);
}
.layera3457-tile--wide img { width: 64px; flex: none; }
.layera3457-tile--wide .layera3457-tile-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--layera3457-blush);
  text-align: left;
  min-height: 34px;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

/* ==========================================================================
   Content modules after the game halls
   ========================================================================== */
.layera3457-mod { padding: 20px var(--layera3457-pad) 2px; }
.layera3457-mod h2 {
  font: 600 18.5px/1.25 var(--layera3457-font-display);
  color: #ffffff;
  text-wrap: balance;
}
.layera3457-mod h2 span {
  color: var(--layera3457-rose-hot);
}
.layera3457-mod > p {
  font-size: 13.8px;
  margin-top: 9px;
}
.layera3457-mod a {
  text-decoration: underline;
  text-decoration-color: var(--layera3457-rose-hot);
  text-underline-offset: 3px;
}
.layera3457-mod strong { color: var(--layera3457-blush); font-weight: 600; }

/* ordered step rows with numbered markers */
.layera3457-steps { margin-top: 12px; display: grid; gap: 8px; }
.layera3457-steps li {
  position: relative;
  padding: 10px 12px 10px 44px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  font-size: 13px;
}
.layera3457-steps li::before {
  content: counter(layera3457step);
  counter-increment: layera3457step;
  position: absolute;
  left: 10px;
  top: 10px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--layera3457-rose);
  color: #fff;
  font: 600 12px/1 var(--layera3457-font-display);
  border-radius: 2px;
}
.layera3457-steps { counter-reset: layera3457step; }
.layera3457-steps b { color: var(--layera3457-blush); font-weight: 600; display: block; }

/* trick list: accent bar rows */
.layera3457-tricks { margin-top: 12px; display: grid; gap: 8px; }
.layera3457-trick {
  border-left: 3px solid var(--layera3457-rose);
  background: var(--layera3457-panel);
  border-radius: 0 var(--layera3457-r) var(--layera3457-r) 0;
  padding: 9px 12px;
}
.layera3457-trick b {
  display: block;
  font: 600 13.5px/1.3 var(--layera3457-font-display);
  letter-spacing: 0.3px;
  color: var(--layera3457-blush);
}
.layera3457-trick p { font-size: 12.8px; color: var(--layera3457-ink); margin-top: 3px; }

/* selection guide: goal / suggestion rows */
.layera3457-pairs { margin-top: 12px; display: grid; gap: 8px; }
.layera3457-pair {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
}
.layera3457-pair dt {
  font: 600 12px/1.2 var(--layera3457-font-display);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--layera3457-rose-hot);
}
.layera3457-pair dd { font-size: 13px; color: var(--layera3457-ink); }

/* relation chains: node -> node -> node */
.layera3457-rels { margin-top: 12px; display: grid; gap: 8px; }
.layera3457-rel {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  font-size: 12.3px;
}
.layera3457-rel i {
  font-style: normal;
  color: var(--layera3457-blush);
  background: rgba(173, 20, 87, 0.16);
  border: 1px solid rgba(173, 20, 87, 0.45);
  padding: 4px 8px;
  border-radius: 2px;
}
.layera3457-rel em {
  font-style: normal;
  color: var(--layera3457-mist);
  font-weight: 700;
}
.layera3457-rel u {
  text-decoration: none;
  color: var(--layera3457-ink);
}

/* step summary: numbered inline flow */
.layera3457-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 6px;
  margin-top: 12px;
}
.layera3457-flow li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 7px 11px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  font-size: 12.5px;
  color: var(--layera3457-ink);
}
.layera3457-flow li::before {
  content: attr(data-n);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--layera3457-rose);
  color: #fff;
  font: 600 11px/1 var(--layera3457-font-display);
  border-radius: 2px;
  flex: none;
}

/* CTA band */
.layera3457-band {
  margin: 20px var(--layera3457-pad) 2px;
  padding: 18px 14px;
  background: linear-gradient(135deg, var(--layera3457-rose) 0%, var(--layera3457-rose-deep) 85%);
  border-radius: var(--layera3457-r-chip);
}
.layera3457-band h2 {
  font: 600 20px/1.2 var(--layera3457-font-display);
  color: #ffffff;
}
.layera3457-band p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  margin-top: 7px;
}
.layera3457-band-cta {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  align-items: stretch;
}
.layera3457-band-main {
  flex: 1.9;
  min-height: 48px;
  background: #ffffff;
  color: var(--layera3457-rose-deep);
  border-radius: var(--layera3457-r);
  font: 600 14px/1 var(--layera3457-font-display);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: transform 0.12s ease, background-color 0.18s ease;
}
.layera3457-band-main:hover { background: var(--layera3457-blush); }
.layera3457-band-main:active { transform: scale(0.97); }
.layera3457-band-sub {
  flex: 1;
  min-height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #ffffff;
  border-radius: var(--layera3457-r);
  font: 500 13px/1.2 var(--layera3457-font-display);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background-color 0.18s ease, transform 0.12s ease;
}
.layera3457-band-sub:hover { background: rgba(255, 255, 255, 0.12); }
.layera3457-band-sub:active { transform: scale(0.97); }

/* ==========================================================================
   Extended footer: shortcuts > brand > directory > conditional note
   ========================================================================== */
.layera3457-ext {
  margin-top: 24px;
  border-top: 1px solid var(--layera3457-line);
  padding: 18px var(--layera3457-pad) 4px;
  background: var(--layera3457-bg-deep);
}
.layera3457-ext h2 {
  font: 600 16.5px/1.25 var(--layera3457-font-display);
  color: var(--layera3457-blush);
  letter-spacing: 0.3px;
}
.layera3457-ext-sub {
  font-size: 11.5px;
  color: var(--layera3457-mist);
  margin: 4px 0 10px;
}

/* horizontal shortcut rail */
.layera3457-shorts {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  scrollbar-width: none;
}
.layera3457-shorts::-webkit-scrollbar { display: none; }
.layera3457-short {
  flex: none;
  width: 86px;
  min-height: 66px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 8px 6px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r-chip);
  color: var(--layera3457-blush);
  font-size: 11px;
  line-height: 1.2;
  text-align: center;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.12s ease;
}
.layera3457-short:hover { border-color: var(--layera3457-rose); background: var(--layera3457-panel-2); }
.layera3457-short:active { transform: scale(0.95); }
.layera3457-short svg { width: 21px; height: 21px; fill: currentColor; }
.layera3457-ic-hole { fill: var(--layera3457-bg-deep); }

/* brand blurb */
.layera3457-ext-brand { margin-top: 14px; }
.layera3457-ext-brand p {
  font-size: 12.8px;
  color: var(--layera3457-ink);
  margin-top: 8px;
}
.layera3457-ext-brand strong { color: var(--layera3457-blush); font-weight: 600; }

/* directory: two columns of real internal routes */
.layera3457-dir {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.layera3457-dir a {
  display: block;
  padding: 9px 10px;
  background: var(--layera3457-panel);
  border: 1px solid var(--layera3457-line-soft);
  border-radius: var(--layera3457-r);
  transition: border-color 0.18s ease, background-color 0.18s ease;
}
.layera3457-dir a:hover { border-color: var(--layera3457-rose); background: var(--layera3457-panel-2); }
.layera3457-dir b {
  display: block;
  font-size: 12.3px;
  color: var(--layera3457-blush);
  line-height: 1.25;
}
.layera3457-dir span {
  display: block;
  font-size: 10.8px;
  color: var(--layera3457-mist);
  margin-top: 2px;
  line-height: 1.3;
}

/* conditional disclaimer note */
.layera3457-note {
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px dashed var(--layera3457-line);
  border-radius: var(--layera3457-r);
  font-size: 11.3px;
  line-height: 1.55;
  color: var(--layera3457-mist);
}
.layera3457-note b {
  color: var(--layera3457-blush);
  font-weight: 600;
}

/* slim common copyright bar (shared by every page) */
.layera3457-copy {
  text-align: center;
  font-size: 11px;
  color: var(--layera3457-mist);
  padding: 14px var(--layera3457-pad) calc(var(--layera3457-dock-h) + 26px);
  background: var(--layera3457-bg-deep);
}

/* ==========================================================================
   Mobile bottom dock: 5 segmented roles, fixed to the phone canvas
   ========================================================================== */
.layera3457-dock {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 30;
  display: flex;
  gap: 3px;
  padding: 6px 6px calc(6px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 13, 18, 0.985);
  border-top: 1px solid var(--layera3457-line);
}
.layera3457-dock-item {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 4px 2px;
  border-radius: var(--layera3457-r-chip);
  color: var(--layera3457-mist);
  font-size: 10px;
  line-height: 1.1;
  text-align: center;
  transition: color 0.18s ease, background-color 0.18s ease;
}
.layera3457-dock-item svg { width: 21px; height: 21px; fill: currentColor; }
.layera3457-dock-item:hover { color: var(--layera3457-blush); }
.layera3457-dock-item:active { transform: scale(0.95); }
.layera3457-dock-item.is-on {
  background: rgba(173, 20, 87, 0.26);
  color: var(--layera3457-blush);
}

/* keep label short on the narrowest canvas */
@media (max-width: 339px) {
  .layera3457-dock-item { font-size: 9.3px; }
  .layera3457-brandname { font-size: 19px; }
  .layera3457-grid { gap: 6px; }
}

/* ---------- motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
  .layera3457-slide { transition: none; }
}

/* ---------- help-page reading tools ---------- */
.layera3457-help {
  padding-top: 8px;
}
.layera3457-help-hero {
  margin: 12px var(--layera3457-pad) 0;
  padding: 16px 14px 15px;
  border: 1px solid var(--layera3457-line);
  border-left: 4px solid var(--layera3457-rose-hot);
  background: linear-gradient(145deg, var(--layera3457-panel-2), var(--layera3457-panel));
}
.layera3457-help-kicker {
  color: var(--layera3457-rose-hot);
  font: 600 11px/1 var(--layera3457-font-display);
  letter-spacing: 1.8px;
  text-transform: uppercase;
}
.layera3457-help-hero h1 {
  margin-top: 8px;
  color: var(--layera3457-blush);
  font: 600 25px/1.16 var(--layera3457-font-display);
  letter-spacing: .25px;
  text-wrap: balance;
}
.layera3457-help-hero p {
  margin-top: 10px;
  color: var(--layera3457-ink);
  font-size: 14px;
}
.layera3457-help-hero strong,
.layera3457-help strong { color: var(--layera3457-blush); font-weight: 600; }
.layera3457-help-stamp {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.layera3457-help-stamp span {
  padding: 5px 8px;
  border: 1px solid var(--layera3457-line);
  color: var(--layera3457-blush);
  font-size: 11px;
  line-height: 1.2;
}
.layera3457-help-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 12px;
  padding: 8px 13px;
  border: 1px solid var(--layera3457-rose-hot);
  border-radius: var(--layera3457-r);
  background: var(--layera3457-rose);
  color: #fff;
  font: 600 13px/1.1 var(--layera3457-font-display);
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: background-color .18s ease, transform .12s ease;
}
.layera3457-help-action:hover { background: var(--layera3457-rose-hot); }
.layera3457-help-action:active { transform: scale(.97); }
.layera3457-help-action--quiet {
  background: transparent;
  color: var(--layera3457-blush);
  border-color: var(--layera3457-line);
}
.layera3457-help-action--quiet:hover { background: rgba(255, 204, 203, .06); }
.layera3457-help-band {
  margin: 18px var(--layera3457-pad) 0;
  padding: 13px;
  border-top: 3px solid var(--layera3457-rose);
  background: var(--layera3457-panel);
}
.layera3457-help-band h2,
.layera3457-help-section h2 {
  color: #fff;
  font: 600 18px/1.25 var(--layera3457-font-display);
  text-wrap: balance;
}
.layera3457-help-band p,
.layera3457-help-section > p {
  margin-top: 8px;
  color: var(--layera3457-ink);
  font-size: 13.6px;
}
.layera3457-help-section {
  padding: 20px var(--layera3457-pad) 0;
}
.layera3457-help-section > h2::before {
  content: "//";
  margin-right: 7px;
  color: var(--layera3457-rose-hot);
  font-size: .78em;
}
.layera3457-help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.layera3457-help-cell {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--layera3457-line-soft);
  background: var(--layera3457-panel);
  border-radius: var(--layera3457-r);
}
.layera3457-help-cell b {
  display: block;
  color: var(--layera3457-blush);
  font: 600 13px/1.25 var(--layera3457-font-display);
}
.layera3457-help-cell p {
  margin-top: 5px;
  color: var(--layera3457-ink);
  font-size: 12.4px;
  line-height: 1.45;
}
.layera3457-help-cell--wide { grid-column: 1 / -1; }
.layera3457-help-list {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}
.layera3457-help-list li {
  position: relative;
  padding: 10px 11px 10px 36px;
  border-left: 2px solid var(--layera3457-rose);
  background: var(--layera3457-panel);
  color: var(--layera3457-ink);
  font-size: 13px;
}
.layera3457-help-list li::before {
  content: attr(data-mark);
  position: absolute;
  left: 10px;
  top: 10px;
  color: var(--layera3457-rose-hot);
  font: 600 11px/1 var(--layera3457-font-display);
}
.layera3457-help-list b { color: var(--layera3457-blush); font-weight: 600; }
.layera3457-help-list a,
.layera3457-help-section a,
.layera3457-help-band a {
  color: var(--layera3457-blush);
  text-decoration: underline;
  text-decoration-color: var(--layera3457-rose-hot);
  text-underline-offset: 3px;
}
.layera3457-help-steps {
  display: grid;
  gap: 9px;
  margin-top: 12px;
  counter-reset: helpstep;
}
.layera3457-help-step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}
.layera3457-help-step::before {
  content: counter(helpstep, decimal-leading-zero);
  counter-increment: helpstep;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--layera3457-rose);
  color: #fff;
  font: 600 12px/1 var(--layera3457-font-display);
}
.layera3457-help-step div {
  min-height: 48px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--layera3457-line-soft);
}
.layera3457-help-step b {
  display: block;
  color: var(--layera3457-blush);
  font: 600 13.5px/1.25 var(--layera3457-font-display);
}
.layera3457-help-step p { margin-top: 4px; font-size: 12.8px; }
.layera3457-help-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-top: 12px;
  padding: 2px 1px 8px;
  scrollbar-width: none;
}
.layera3457-help-rail::-webkit-scrollbar { display: none; }
.layera3457-help-rail a,
.layera3457-help-rail button {
  flex: 0 0 124px;
  min-height: 58px;
  padding: 8px 9px;
  border: 1px solid var(--layera3457-line);
  border-radius: var(--layera3457-r-chip);
  background: var(--layera3457-panel-2);
  color: var(--layera3457-blush);
  text-align: left;
  font: 500 12px/1.3 var(--layera3457-font-body);
}
.layera3457-help-rail button { cursor: pointer; }
.layera3457-help-rail a:hover,
.layera3457-help-rail button:hover { border-color: var(--layera3457-rose-hot); }
.layera3457-help-alert {
  margin-top: 12px;
  padding: 11px 12px;
  border: 1px dashed var(--layera3457-rose-hot);
  background: rgba(173, 20, 87, .12);
  color: var(--layera3457-ink);
  font-size: 12.8px;
}
.layera3457-help-alert b { color: var(--layera3457-blush); }
.layera3457-help-checks {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}
.layera3457-help-check {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  padding: 9px 10px;
  border: 1px solid var(--layera3457-line-soft);
  background: var(--layera3457-panel);
  font-size: 12.8px;
}
.layera3457-help-check::before {
  content: "✓";
  flex: none;
  color: var(--layera3457-rose-hot);
  font-weight: 700;
}
.layera3457-help-check b { color: var(--layera3457-blush); }
.layera3457-help-matrix {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}
.layera3457-help-matrix-row {
  display: grid;
  grid-template-columns: .78fr 1fr 1.18fr;
  gap: 1px;
  background: var(--layera3457-line-soft);
  font-size: 11.7px;
}
.layera3457-help-matrix-row > span {
  min-width: 0;
  padding: 8px;
  background: var(--layera3457-panel);
  overflow-wrap: anywhere;
}
.layera3457-help-matrix-row:first-child > span {
  background: var(--layera3457-rose-deep);
  color: #fff;
  font: 600 11px/1.2 var(--layera3457-font-display);
}
.layera3457-help-matrix-row b { color: var(--layera3457-blush); }
.layera3457-help-scenario {
  margin-top: 12px;
  padding: 13px;
  border: 1px solid var(--layera3457-line);
  background: linear-gradient(120deg, var(--layera3457-panel), var(--layera3457-bg));
}
.layera3457-help-scenario h3 {
  color: var(--layera3457-blush);
  font: 600 15px/1.25 var(--layera3457-font-display);
}
.layera3457-help-scenario p { margin-top: 7px; font-size: 13px; }
.layera3457-help-scenario + .layera3457-help-scenario { margin-top: 8px; }
.layera3457-help-closer {
  margin: 20px var(--layera3457-pad) 0;
  padding: 15px 13px;
  background: var(--layera3457-rose);
  color: #fff;
}
.layera3457-help-closer h2 {
  color: #fff;
  font: 600 18px/1.25 var(--layera3457-font-display);
}
.layera3457-help-closer p { margin-top: 7px; font-size: 13px; }
.layera3457-help-closer .layera3457-help-action {
  background: #fff;
  color: var(--layera3457-rose-deep);
  border-color: #fff;
}
.layera3457-help-closer .layera3457-help-action--quiet {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.72);
}
@media (max-width: 359px) {
  .layera3457-help-hero h1 { font-size: 22px; }
  .layera3457-help-grid { grid-template-columns: 1fr; }
  .layera3457-help-cell--wide { grid-column: auto; }
  .layera3457-help-matrix-row { grid-template-columns: .72fr 1fr 1fr; font-size: 11px; }
}