/* ==========================================================================
   kfbd.homes - shared mobile chrome stylesheet
   File   : css/mobile-9ada4d-chrome.css
   Prefix : viewa4d20-  (every class, id hook and custom property)
   Palette: #4B0082 indigo accent | #FFF176 warm yellow | #1C2833 deep slate
   Direction: bold condensed headings over light body text, lightly rounded
   outlined tile cards, compact square high-contrast CTAs, restrained press
   and color-transition motion only.
   Canvas : 320-430px phone layout, centered as an app canvas on wide screens.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens */
:root {
  --viewa4d20-ink: #1C2833;            /* base surface */
  --viewa4d20-ink-deep: #141e27;       /* bars, overlays */
  --viewa4d20-panel: #212f3d;          /* raised panels */
  --viewa4d20-panel-2: #263748;        /* hover / pressed panel */
  --viewa4d20-line: #33475c;           /* neutral hairline */
  --viewa4d20-indigo: #4B0082;         /* brand stroke */
  --viewa4d20-indigo-soft: #6d2bb8;    /* lighter indigo for borders on dark */
  --viewa4d20-indigo-mist: #b98cf0;    /* readable indigo tint for kickers */
  --viewa4d20-indigo-glow: rgba(109, 43, 184, 0.38);
  --viewa4d20-yellow: #FFF176;         /* CTA / highlight */
  --viewa4d20-yellow-deep: #f4d94e;
  --viewa4d20-yellow-ink: #241d02;     /* text on yellow */
  --viewa4d20-text: #e9eef4;
  --viewa4d20-text-dim: #aebdc9;
  --viewa4d20-text-faint: #8fa1b0;
  --viewa4d20-font: 'Hind Siliguri', 'Noto Sans Bengali', 'Segoe UI',
                    system-ui, -apple-system, sans-serif;
  --viewa4d20-r-card: 5px;             /* light card rounding */
  --viewa4d20-r-chip: 3px;
  --viewa4d20-r-cta: 2px;              /* near-square CTA corners */
  --viewa4d20-canvas: 430px;           /* max phone canvas width */
  --viewa4d20-top-h: 56px;
  --viewa4d20-dock-h: 64px;
  --viewa4d20-snap: 160ms cubic-bezier(0.3, 0.7, 0.4, 1);
}

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

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

body {
  margin: 0;
  background: #0a0f15;
  color: var(--viewa4d20-text);
  font-family: var(--viewa4d20-font);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.65;
}

img { max-width: 100%; }

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.viewa4d20-shell {
  position: relative;
  max-width: var(--viewa4d20-canvas);
  margin: 0 auto;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(120% 42% at 50% -6%, rgba(75, 0, 130, 0.34), transparent 62%),
    linear-gradient(180deg, #1e2b38 0%, var(--viewa4d20-ink) 26%, var(--viewa4d20-ink) 100%);
  box-shadow: 0 0 0 1px #05080c, 0 0 46px rgba(75, 0, 130, 0.28);
}

/* Wide screens: keep the phone canvas centered with quiet indigo rails. */
@media (min-width: 431px) {
  body {
    background:
      radial-gradient(50% 30% at 50% 0%, rgba(75, 0, 130, 0.18), transparent 70%),
      #0a0f15;
  }
  .viewa4d20-shell { border-radius: 0 0 14px 14px; }
}

/* Accessible focus ring for keyboard users. */
.viewa4d20-shell :focus-visible {
  outline: 2px solid var(--viewa4d20-yellow);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Visually hidden but screen-reader available. */
.viewa4d20-vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------- top bar */
.viewa4d20-topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--viewa4d20-top-h);
  padding: 6px 10px;
  padding-top: calc(6px + env(safe-area-inset-top));
  background: rgba(20, 30, 39, 0.96);
  backdrop-filter: blur(7px);
  border-bottom: 1px solid rgba(109, 43, 184, 0.55);
  box-shadow: 0 3px 14px rgba(5, 8, 12, 0.5);
}

.viewa4d20-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.viewa4d20-brand img {
  width: 36px;
  height: 36px;
  border-radius: 7px;
  border: 2px solid var(--viewa4d20-yellow);
  display: block;
  background: #0d151d;
}

.viewa4d20-brand-name {
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.6px;
  color: var(--viewa4d20-yellow);
  line-height: 1;
  white-space: nowrap;
}

.viewa4d20-top-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Compact square-cornered header actions, both at least 44px tall. */
.viewa4d20-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 13px;
  border-radius: var(--viewa4d20-r-cta);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.2px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--viewa4d20-snap), color var(--viewa4d20-snap),
              border-color var(--viewa4d20-snap), box-shadow var(--viewa4d20-snap);
}

.viewa4d20-btn-register {
  background: linear-gradient(180deg, var(--viewa4d20-yellow), var(--viewa4d20-yellow-deep));
  color: var(--viewa4d20-yellow-ink);
  box-shadow: 0 0 12px rgba(255, 241, 118, 0.22);
}
.viewa4d20-btn-register:active {
  background: var(--viewa4d20-yellow-deep);
  box-shadow: 0 0 16px rgba(255, 241, 118, 0.34);
}

.viewa4d20-btn-login {
  background: transparent;
  color: var(--viewa4d20-yellow);
  border-color: rgba(255, 241, 118, 0.62);
}
.viewa4d20-btn-login:active {
  background: rgba(255, 241, 118, 0.1);
}

/* Hamburger toggle built from three bars. */
.viewa4d20-menu-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--viewa4d20-line);
  border-radius: var(--viewa4d20-r-cta);
  background: var(--viewa4d20-panel);
  cursor: pointer;
}
.viewa4d20-menu-ic,
.viewa4d20-menu-ic::before,
.viewa4d20-menu-ic::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 20px;
  height: 2px;
  background: var(--viewa4d20-text);
  border-radius: 1px;
  transition: transform var(--viewa4d20-snap), opacity var(--viewa4d20-snap),
              top var(--viewa4d20-snap);
}
.viewa4d20-menu-ic { top: 17px; }
.viewa4d20-menu-ic::before { top: 6px; left: 0; }
.viewa4d20-menu-ic::after { top: 12px; left: 0; }
.viewa4d20-menu-btn[aria-expanded="true"] .viewa4d20-menu-ic { background: transparent; }
.viewa4d20-menu-btn[aria-expanded="true"] .viewa4d20-menu-ic::before {
  top: 6px; transform: translateY(6px) rotate(45deg);
}
.viewa4d20-menu-btn[aria-expanded="true"] .viewa4d20-menu-ic::after {
  top: 0px; transform: translateY(0) rotate(-45deg);
}

/* ------------------------------------------------------- expanding menu */
.viewa4d20-menu {
  position: absolute;
  top: calc(var(--viewa4d20-top-h) + env(safe-area-inset-top));
  left: 0;
  right: 0;
  z-index: 55;
  background: rgba(16, 24, 33, 0.985);
  border-bottom: 1px solid rgba(109, 43, 184, 0.55);
  box-shadow: 0 16px 26px rgba(4, 7, 11, 0.55);
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: max-height 240ms ease, visibility 240ms;
}
.viewa4d20-menu.viewa4d20-open { visibility: visible; max-height: 560px; }

.viewa4d20-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
}

.viewa4d20-menu-grid a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid rgba(109, 43, 184, 0.45);
  border-left: 3px solid var(--viewa4d20-indigo-soft);
  border-radius: var(--viewa4d20-r-chip);
  background: var(--viewa4d20-panel);
  color: var(--viewa4d20-text);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--viewa4d20-snap), color var(--viewa4d20-snap),
              background-color var(--viewa4d20-snap);
}
.viewa4d20-menu-grid a:active {
  color: var(--viewa4d20-yellow);
  border-left-color: var(--viewa4d20-yellow);
  background: var(--viewa4d20-panel-2);
}
.viewa4d20-menu-grid a[aria-current="page"] {
  color: var(--viewa4d20-yellow);
  border-left-color: var(--viewa4d20-yellow);
}

.viewa4d20-menu-cta {
  display: block;
  width: calc(100% - 24px);
  margin: 0 12px 14px;
}

/* ----------------------------------------------------------------- hero */
.viewa4d20-hero { padding: 18px 14px 6px; }

.viewa4d20-kicker {
  display: inline-block;
  margin: 0 0 6px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  color: var(--viewa4d20-indigo-mist);
  border: 1px solid rgba(109, 43, 184, 0.5);
  border-radius: var(--viewa4d20-r-chip);
  padding: 2px 8px;
  background: rgba(75, 0, 130, 0.22);
}

.viewa4d20-hero-title {
  margin: 0 0 10px;
  font-size: 1.5rem;
  line-height: 1.32;
  font-weight: 700;
  color: #ffffff;
  text-wrap: balance;
}

.viewa4d20-lede {
  margin: 0 0 14px;
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-lede strong { color: var(--viewa4d20-text); font-weight: 600; }

.viewa4d20-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Compact metric chips: number over short explanation. */
.viewa4d20-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0 4px;
}
.viewa4d20-metric {
  padding: 9px 6px;
  text-align: center;
  background: var(--viewa4d20-panel);
  border: 1px solid rgba(109, 43, 184, 0.42);
  border-radius: var(--viewa4d20-r-card);
}
.viewa4d20-metric b {
  display: block;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--viewa4d20-yellow);
  line-height: 1.2;
}
.viewa4d20-metric span {
  display: block;
  margin-top: 2px;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--viewa4d20-text-faint);
}

/* --------------------------------------------------------- promo banner */
.viewa4d20-stage {
  position: relative;
  margin: 14px 12px 4px;
  border: 1px solid rgba(109, 43, 184, 0.6);
  border-radius: 8px;
  overflow: hidden;
  background: #0e1720;
  box-shadow: 0 8px 22px rgba(4, 7, 11, 0.45);
}

.viewa4d20-slide { display: none; }
.viewa4d20-slide.viewa4d20-active { display: block; }

.viewa4d20-slide-btn {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
}
.viewa4d20-slide-btn img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.viewa4d20-slide-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 30px 12px 34px;
  background: linear-gradient(180deg, transparent, rgba(13, 9, 22, 0.92));
  pointer-events: none;
}
.viewa4d20-slide-cap b {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--viewa4d20-yellow);
}
.viewa4d20-slide-cap span {
  display: block;
  font-size: 0.76rem;
  color: var(--viewa4d20-text-dim);
}

.viewa4d20-dots {
  position: absolute;
  right: 10px;
  bottom: 8px;
  display: flex;
  gap: 6px;
  z-index: 2;
}
.viewa4d20-dot {
  width: 22px;
  height: 22px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.viewa4d20-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(233, 238, 244, 0.4);
  transition: background-color var(--viewa4d20-snap), transform var(--viewa4d20-snap);
}
.viewa4d20-dot.viewa4d20-active::before {
  background: var(--viewa4d20-yellow);
  transform: scale(1.25);
  box-shadow: 0 0 8px rgba(255, 241, 118, 0.5);
}

/* ------------------------------------------------------- notice board */
.viewa4d20-notice {
  margin: 16px 12px 4px;
  padding: 12px 12px 10px;
  background: linear-gradient(180deg, rgba(75, 0, 130, 0.3), rgba(33, 47, 61, 0.9));
  border: 1px solid rgba(109, 43, 184, 0.55);
  border-left: 4px solid var(--viewa4d20-indigo-soft);
  border-radius: var(--viewa4d20-r-card);
}
.viewa4d20-notice p {
  margin: 0 0 8px;
  font-size: 0.83rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-notice .viewa4d20-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* Inline promo text-link rendered as a real button for a11y. */
.viewa4d20-plink {
  display: inline;
  padding: 3px 2px;
  background: none;
  border: 0;
  color: var(--viewa4d20-yellow);
  font: inherit;
  font-weight: 600;
  font-size: 0.86rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--viewa4d20-snap);
}
.viewa4d20-plink:active { color: #ffffff; }

/* ------------------------------------------------------- category chips */
.viewa4d20-chiprow {
  display: flex;
  gap: 8px;
  margin: 14px 12px 2px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.viewa4d20-chiprow::-webkit-scrollbar { display: none; }

.viewa4d20-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid rgba(109, 43, 184, 0.5);
  border-radius: 999px;
  background: var(--viewa4d20-panel);
  color: var(--viewa4d20-text);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--viewa4d20-snap), color var(--viewa4d20-snap),
              background-color var(--viewa4d20-snap);
}
.viewa4d20-chip:active {
  color: var(--viewa4d20-yellow);
  border-color: var(--viewa4d20-yellow);
  background: var(--viewa4d20-panel-2);
}

/* -------------------------------------------------------------- sections */
.viewa4d20-sec {
  padding: 22px 12px 4px;
  scroll-margin-top: 66px;
}

.viewa4d20-sec-head { margin-bottom: 12px; }

.viewa4d20-sec h2 {
  margin: 5px 0 7px;
  font-size: 1.16rem;
  line-height: 1.38;
  font-weight: 700;
  color: #ffffff;
}

.viewa4d20-sec-note {
  margin: 0 0 13px;
  font-size: 0.85rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-sec-note a {
  color: var(--viewa4d20-yellow);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ------------------------------------------------------------- game grid */
/* 4 stable columns at 320px, 5 columns once the canvas reaches 375px. */
.viewa4d20-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
}
@media (min-width: 375px) {
  .viewa4d20-grid { grid-template-columns: repeat(5, 1fr); gap: 8px; }
}

/* Outlined tile card: indigo stroke, dark fill, whole tile is the entry. */
.viewa4d20-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 6px 5px 7px;
  background: linear-gradient(180deg, #243446 0%, #1b2836 100%);
  border: 1px solid rgba(109, 43, 184, 0.55);
  border-radius: var(--viewa4d20-r-card);
  cursor: pointer;
  transition: border-color var(--viewa4d20-snap), transform var(--viewa4d20-snap),
              box-shadow var(--viewa4d20-snap);
}
.viewa4d20-tile:active {
  transform: translateY(1px) scale(0.98);
  border-color: var(--viewa4d20-yellow);
  box-shadow: 0 0 10px var(--viewa4d20-indigo-glow);
}
.viewa4d20-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 4px;
  background: #0d151d;
}
.viewa4d20-tile-name {
  font-size: 0.67rem;
  line-height: 1.3;
  font-weight: 500;
  color: var(--viewa4d20-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 1.75em;
  word-break: break-word;
}

.viewa4d20-grid-foot {
  margin: 10px 0 0;
  font-size: 0.72rem;
  color: var(--viewa4d20-text-faint);
}

/* --------------------------------------------------------------- FAQ list */
.viewa4d20-faq {
  border: 1px solid var(--viewa4d20-line);
  border-left: 3px solid var(--viewa4d20-indigo-soft);
  border-radius: var(--viewa4d20-r-card);
  background: var(--viewa4d20-panel);
  margin: 0 0 10px;
  overflow: hidden;
  transition: border-color var(--viewa4d20-snap);
}
.viewa4d20-faq.viewa4d20-open { border-left-color: var(--viewa4d20-yellow); }

.viewa4d20-faq-h { margin: 0; }

.viewa4d20-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  background: none;
  border: 0;
  color: #ffffff;
  font-size: 0.89rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.viewa4d20-faq-sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 1px solid var(--viewa4d20-indigo-mist);
  border-radius: 50%;
}
.viewa4d20-faq-sign::before,
.viewa4d20-faq-sign::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 8px;
  height: 1.6px;
  background: var(--viewa4d20-indigo-mist);
  transform: translate(-50%, -50%);
  transition: transform var(--viewa4d20-snap), background var(--viewa4d20-snap);
}
.viewa4d20-faq-sign::after { transform: translate(-50%, -50%) rotate(90deg); }
.viewa4d20-faq.viewa4d20-open .viewa4d20-faq-sign::after { transform: translate(-50%, -50%) rotate(0deg); }
.viewa4d20-faq.viewa4d20-open .viewa4d20-faq-sign::before,
.viewa4d20-faq.viewa4d20-open .viewa4d20-faq-sign::after { background: var(--viewa4d20-yellow); }

.viewa4d20-faq-a {
  display: none;
  padding: 0 13px 13px;
  font-size: 0.83rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-faq-a p { margin: 0 0 8px; }
.viewa4d20-faq-a p:last-child { margin-bottom: 0; }
.viewa4d20-faq.viewa4d20-open .viewa4d20-faq-a { display: block; }

/* ----------------------------------------------------------- offer cards */
.viewa4d20-offer {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  margin: 0 0 10px;
  background: var(--viewa4d20-panel);
  border: 1px solid rgba(109, 43, 184, 0.45);
  border-radius: var(--viewa4d20-r-card);
}
.viewa4d20-offer-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  border-radius: var(--viewa4d20-r-cta);
  background: linear-gradient(160deg, #7e3fc9, var(--viewa4d20-indigo));
  border: 1px solid rgba(255, 241, 118, 0.35);
  color: var(--viewa4d20-yellow);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-align: center;
  padding: 4px;
  line-height: 1.3;
}
.viewa4d20-offer-body b {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 3px;
}
.viewa4d20-offer-body p {
  margin: 0 0 9px;
  font-size: 0.8rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-offer-body .viewa4d20-btn { min-height: 44px; padding: 0 12px; font-size: 0.8rem; }

/* --------------------------------------------------------------- steps */
.viewa4d20-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  counter-reset: viewa4d20-step;
}
.viewa4d20-steps li {
  position: relative;
  counter-increment: viewa4d20-step;
  padding: 4px 0 14px 44px;
  font-size: 0.85rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-steps li::before {
  content: counter(viewa4d20-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--viewa4d20-yellow);
  color: var(--viewa4d20-yellow-ink);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--viewa4d20-r-cta);
}
.viewa4d20-steps li::after {
  content: "";
  position: absolute;
  left: 14.5px;
  top: 36px;
  bottom: 2px;
  width: 1px;
  background: rgba(109, 43, 184, 0.5);
}
.viewa4d20-steps li:last-child::after { display: none; }

/* ------------------------------------------------------ scenario card */
.viewa4d20-scenario {
  padding: 13px 13px 11px;
  background: var(--viewa4d20-panel);
  border: 1px solid var(--viewa4d20-line);
  border-left: 4px solid var(--viewa4d20-yellow);
  border-radius: var(--viewa4d20-r-card);
}
.viewa4d20-scenario > p { margin: 0 0 12px; font-size: 0.85rem; color: var(--viewa4d20-text-dim); }
.viewa4d20-scenario-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 375px) {
  .viewa4d20-scenario-cols { grid-template-columns: 1fr 1fr; }
}
.viewa4d20-scenario-cols h3 {
  margin: 0 0 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--viewa4d20-yellow);
  letter-spacing: 0.3px;
}
.viewa4d20-scenario-cols ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.8rem;
  color: var(--viewa4d20-text-dim);
}
.viewa4d20-scenario-cols li { margin-bottom: 5px; }

/* --------------------------------------------------------- extended footer */
.viewa4d20-ext {
  margin-top: 26px;
  padding: 18px 12px 6px;
  background: #101a24;
  border-top: 1px solid rgba(109, 43, 184, 0.5);
}
.viewa4d20-ext h2 {
  margin: 5px 0 12px;
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
}
.viewa4d20-ext h3 {
  margin: 18px 0 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--viewa4d20-yellow);
}

.viewa4d20-ext-directory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.viewa4d20-ext-directory a {
  display: block;
  min-height: 44px;
  padding: 8px 10px;
  background: #16222e;
  border: 1px solid rgba(109, 43, 184, 0.42);
  border-radius: var(--viewa4d20-r-chip);
  text-decoration: none;
  transition: border-color var(--viewa4d20-snap), background-color var(--viewa4d20-snap);
}
.viewa4d20-ext-directory a:active {
  border-color: var(--viewa4d20-yellow);
  background: #1a2937;
}
.viewa4d20-ext-directory b {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--viewa4d20-text);
  line-height: 1.3;
}
.viewa4d20-ext-directory span {
  display: block;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--viewa4d20-text-faint);
  margin-top: 2px;
}

.viewa4d20-ext-brand {
  margin: 0;
  font-size: 0.8rem;
  color: var(--viewa4d20-text-dim);
}

/* Horizontal scrolling promo shortcuts with descriptive labels. */
.viewa4d20-ext-offers {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}
.viewa4d20-ext-offers::-webkit-scrollbar { display: none; }
.viewa4d20-ext-offer-btn {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: var(--viewa4d20-r-cta);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: box-shadow var(--viewa4d20-snap), background-color var(--viewa4d20-snap);
}
.viewa4d20-ext-offer-gold {
  background: linear-gradient(180deg, var(--viewa4d20-yellow), var(--viewa4d20-yellow-deep));
  color: var(--viewa4d20-yellow-ink);
  border: 0;
}
.viewa4d20-ext-offer-gold:active { box-shadow: 0 0 14px rgba(255, 241, 118, 0.4); }
.viewa4d20-ext-offer-line {
  background: #16222e;
  color: var(--viewa4d20-yellow);
  border: 1px solid rgba(255, 241, 118, 0.55);
}
.viewa4d20-ext-offer-line:active { background: #1c2b3a; }

.viewa4d20-ext-disclaimer {
  margin: 16px 0 4px;
  padding: 8px 11px;
  background: #121c26;
  border-left: 3px solid var(--viewa4d20-yellow-deep);
  border-radius: var(--viewa4d20-r-chip);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--viewa4d20-text-faint);
}

/* ------------------------------------------------------------ copyright */
.viewa4d20-foot {
  padding: 14px 16px calc(18px + var(--viewa4d20-dock-h) + env(safe-area-inset-bottom));
  text-align: center;
  font-size: 0.74rem;
  color: var(--viewa4d20-text-faint);
}
.viewa4d20-foot p { margin: 0 0 3px; }
.viewa4d20-foot p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------- bottom dock nav */
/* Center-raised five-role navigation fixed to the phone canvas bottom. */
.viewa4d20-dock {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100%;
  max-width: var(--viewa4d20-canvas);
  z-index: 70;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  min-height: calc(var(--viewa4d20-dock-h) + env(safe-area-inset-bottom));
  padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
  background: rgba(16, 24, 33, 0.975);
  backdrop-filter: blur(9px);
  border-top: 1px solid rgba(109, 43, 184, 0.55);
  box-shadow: 0 -6px 20px rgba(4, 7, 11, 0.5);
}

.viewa4d20-dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 52px;
  padding: 5px 2px 3px;
  background: none;
  border: 0;
  color: #9fb2c1;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.2px;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--viewa4d20-snap);
}
.viewa4d20-dock-item:active { color: var(--viewa4d20-yellow); }
.viewa4d20-dock-item svg { width: 24px; height: 24px; display: block; }

/* Two-tone role icons: stroke ring + filled core. */
.viewa4d20-ic-stroke {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.viewa4d20-ic-fill { fill: currentColor; opacity: 0.85; }

/* Active role: icon fill switches to warm yellow. */
.viewa4d20-dock-item.viewa4d20-on { color: var(--viewa4d20-yellow); }
.viewa4d20-dock-item.viewa4d20-on .viewa4d20-ic-fill {
  fill: var(--viewa4d20-yellow);
  opacity: 1;
}

/* Raised center slot carrying the primary promo role. */
.viewa4d20-dock-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 1px;
}
.viewa4d20-dock-lift {
  width: 56px;
  height: 56px;
  margin-top: -26px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--viewa4d20-yellow);
  background: linear-gradient(160deg, #7e3fc9 0%, var(--viewa4d20-indigo) 78%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(75, 0, 130, 0.6), 0 0 14px rgba(255, 241, 118, 0.3);
  transition: box-shadow var(--viewa4d20-snap), transform var(--viewa4d20-snap);
}
.viewa4d20-dock-lift:active {
  transform: translateY(1px);
  box-shadow: 0 4px 12px rgba(75, 0, 130, 0.55), 0 0 18px rgba(255, 241, 118, 0.45);
}
.viewa4d20-dock-lift svg { width: 26px; height: 26px; display: block; }
.viewa4d20-dock-lift .viewa4d20-ic-fill { fill: var(--viewa4d20-yellow); opacity: 1; }
.viewa4d20-dock-slot span {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--viewa4d20-yellow);
}

/* ---------------------------------------------------- motion preferences */
@media (prefers-reduced-motion: reduce) {
  .viewa4d20-shell *,
  .viewa4d20-shell *::before,
  .viewa4d20-shell *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}