/* ============================================================
   CATBACK leaderboard — CRT arcade high-score cabinet.
   Colors/fonts come exclusively from tokens.css custom props.
   Animated properties: transform + opacity only.
   ============================================================ */

/* ---- DESK 02: a digital standings board hung on the wall ------
   The board hangs from a charcoal ceiling rail with two drop
   stems, so it reads as a fixture in the branch rather than a
   card in a page. */
#leaderboard-body {
  position: relative;
  padding-top: 26px;
}
#leaderboard-body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: min(420px, 76%);
  height: 26px;
  transform: translateX(-50%);
  pointer-events: none;
  /* the rail (top 7px) + two drop stems hanging from it */
  background-image:
    linear-gradient(180deg,
      var(--charcoal) 0 3px,
      var(--forest-2) 3px 5px,
      var(--charcoal) 5px 7px,
      transparent 7px 100%),
    linear-gradient(var(--charcoal) 0 0),
    linear-gradient(var(--charcoal) 0 0);
  background-size: 100% 100%, 5px 22px, 5px 22px;
  background-position: 0 0, 24% 5px, 76% 5px;
  background-repeat: no-repeat;
}

.lb-cab {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  background-color: var(--ink-3);
  background-image: linear-gradient(180deg, var(--ink-2), var(--ink-3));
  border: var(--px) solid var(--forest-2);
  outline: var(--px) solid var(--ink-3);
  box-shadow:
    0 0 0 var(--px) var(--gold),
    0 0 0 calc(3 * var(--px)) var(--charcoal),
    calc(3 * var(--px)) calc(4 * var(--px)) 0 0 var(--shade-soft),
    0 18px 30px var(--shade),
    0 0 24px var(--glow-soft);
}

/* ---- marquee ----------------------------------------------- */
.lb-marquee {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 12px 118px;
  /* engraved brass header plate — the board's nameplate */
  background:
    repeating-linear-gradient(90deg, transparent 0 14px, rgba(0, 0, 0, 0.07) 14px 16px),
    linear-gradient(180deg, var(--brass-hi) 0 8%, var(--brass) 8% 72%, var(--brass-lo) 72% 100%);
  border-bottom: var(--px) solid var(--forest-2);
  /* chunky cabinet bezel: stepped inset frame, crisp (no blur) */
  box-shadow:
    inset 0 0 0 var(--px) var(--ink),
    inset 0 0 0 calc(3 * var(--px)) var(--forest-2),
    inset 0 0 0 calc(4 * var(--px)) var(--ink);
}

/* corner bolts: four 9px charcoal squares with a 3px pixel highlight,
   drawn as stacked no-repeat gradients (crisp, zero extra elements) */
.lb-marquee::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--note-pale), var(--note-pale)),
    linear-gradient(var(--note-pale), var(--note-pale)),
    linear-gradient(var(--note-pale), var(--note-pale)),
    linear-gradient(var(--note-pale), var(--note-pale)),
    linear-gradient(var(--charcoal), var(--charcoal)),
    linear-gradient(var(--charcoal), var(--charcoal)),
    linear-gradient(var(--charcoal), var(--charcoal)),
    linear-gradient(var(--charcoal), var(--charcoal));
  background-repeat: no-repeat;
  background-size:
    3px 3px, 3px 3px, 3px 3px, 3px 3px,
    9px 9px, 9px 9px, 9px 9px, 9px 9px;
  background-position:
    8px 8px,
    calc(100% - 10px) 8px,
    8px calc(100% - 10px),
    calc(100% - 10px) calc(100% - 10px),
    6px 6px,
    calc(100% - 6px) 6px,
    6px calc(100% - 6px),
    calc(100% - 6px) calc(100% - 6px);
}
.lb-marquee-title {
  position: relative;
  margin: 0;
  font-family: var(--font-pixel);
  font-size: clamp(11px, 2.4vw, 17px);
  letter-spacing: 2px;
  white-space: nowrap;
  /* engraved dark lettering on brass (≈7:1) */
  color: var(--terminal);
  text-shadow: 0 var(--px) 0 rgba(255, 255, 255, 0.35);
}
/* attract-mode glow cycle: the gold copy steps up through a soft half-glow,
   holds, then steps back down — a slower, arcade-attract rhythm (opacity only,
   gated to .is-onscreen so it never runs offscreen) */
/* attract state: the engraving catches the light — charcoal ink with a
   warm bloom, never dropping below ~4.7:1 against the brass */
.lb-mq-alt {
  position: absolute;
  inset: 0;
  color: var(--charcoal);
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.75), 0 var(--px) 0 rgba(255, 255, 255, 0.4);
  opacity: 0;
}
.lb-cab.is-onscreen .lb-mq-alt {
  animation: lb-marquee-flip 2.8s steps(1, end) infinite;
}
@keyframes lb-marquee-flip {
  0%, 44%   { opacity: 0; }
  48%       { opacity: 0.35; }
  54%       { opacity: 1; }
  78%       { opacity: 1; }
  84%       { opacity: 0.35; }
  88%, 100% { opacity: 0; }
}

/* ---- permanent demo badge ----------------------------------- */
.lb-demo {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: 1px;
  color: var(--ink);
  background: var(--amber);
  padding: 6px 8px;
  white-space: nowrap;
  box-shadow: 0 var(--px) 0 var(--px) var(--ink), inset 0 calc(-1 * var(--px)) 0 rgba(0, 0, 0, 0.35);
}

/* ---- tab bar ------------------------------------------------ */
.lb-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 12px 0;
}
.lb-tab {
  flex: 1 1 0;
  min-height: 44px;
  padding: 10px 8px;
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--terminal-dim);
  background: var(--ink-3);
  border: var(--px) solid var(--forest-2);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-snap), color var(--dur-fast) var(--ease-snap);
}
.lb-tab:hover,
.lb-tab:focus-visible { color: var(--terminal); transform: translateY(-2px); }
.lb-tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--terminal-dim);
  border-color: var(--terminal);
  box-shadow: inset 0 calc(-3 * var(--px)) 0 var(--forest);
}

/* ---- CRT screen --------------------------------------------- */
.lb-screen {
  margin: 12px;
  padding: 6px 10px 2px;
  background:
    repeating-linear-gradient(0deg, transparent 0 2px, var(--scanline) 2px 4px),
    linear-gradient(180deg, var(--ink-3), var(--ink-2));
  border: var(--px) solid var(--forest-2);
  box-shadow: inset 0 0 0 var(--px) var(--forest), inset 0 0 22px var(--glow-soft);
}
.lb-panel:focus-visible { outline-offset: -2px; }
.lb-list { list-style: none; margin: 0; padding: 0; }

/* CRT curvature illusion: stepped inset vignette + darkened corner cuts
   (hard-stop bands only — no smooth radials in the pixel world) */
.lb-screen {
  position: relative;
}
.lb-screen::after {
  content: '';
  position: absolute;
  inset: var(--px);
  pointer-events: none;
  z-index: 1;
  background:
    linear-gradient(135deg, var(--scanline) 0 10px, transparent 10px),
    linear-gradient(225deg, var(--scanline) 0 10px, transparent 10px),
    linear-gradient(45deg,  var(--scanline) 0 10px, transparent 10px),
    linear-gradient(315deg, var(--scanline) 0 10px, transparent 10px),
    radial-gradient(ellipse 120% 100% at 50% 50%, transparent 0 64%, var(--scanline) 64%),
    radial-gradient(ellipse 120% 100% at 50% 50%, transparent 0 82%, var(--scanline) 82%);
}

/* incoming tab panel: 3-frame stepped slide (js re-toggles .lb-panel-in) */
.lb-panel.lb-panel-in { animation: lb-panel-in 180ms steps(1, end); }
@keyframes lb-panel-in {
  0%   { transform: translateX(14px); opacity: 0.25; }
  34%  { transform: translateX(7px);  opacity: 0.6; }
  67%  { transform: translateX(2px);  opacity: 0.9; }
  100% { transform: translateX(0);    opacity: 1; }
}

/* ---- rows ---------------------------------------------------- */
.lb-row {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 7px 8px;
  border: var(--px) solid transparent;
  border-bottom-color: var(--forest);
}
.lb-list .lb-row:last-child { border-bottom-color: transparent; }

.lb-entry {
  display: grid;
  grid-template-columns: 40px minmax(90px, 130px) 1fr auto;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.lb-entry > * { min-width: 0; }

.lb-rank {
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--terminal-dim);
}
.lb-ava {
  width: 40px;
  height: 40px;
  padding: var(--px);
  background: var(--ink);
  border: var(--px) solid var(--forest-2);
}
.lb-ava canvas {
  display: block;
  width: 32px;  /* 8x8 sprite at exactly 4px per cell */
  height: 32px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* avatar 2-frame bob while its row is hovered (focus-within = keyboard parity) */
.lb-row:hover .lb-ava canvas,
.lb-row:focus-within .lb-ava canvas {
  animation: lb-ava-bob 0.46s steps(1, end) infinite;
}
@keyframes lb-ava-bob {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}

/* brief cyan trail tick on the rank-swap FLIP (js toggles .lb-swap-tick) */
.lb-row.lb-swap-tick::before {
  content: '';
  position: absolute;
  left: 0;
  top: var(--px);
  bottom: var(--px);
  width: calc(2 * var(--px));
  background: var(--sol-cyan);
  box-shadow: 0 0 8px var(--glow-cyan);
  pointer-events: none;
  opacity: 0;
  animation: lb-swap-tick 620ms steps(4, end) both;
}
@keyframes lb-swap-tick {
  from { opacity: 0.95; }
  to   { opacity: 0; }
}
.lb-wallet {
  font-family: var(--font-term);
  font-size: 19px;
  line-height: 1.1;
  color: var(--terminal-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lb-score {
  font-family: var(--font-term);
  font-size: 19px;
  line-height: 1.15;
  color: var(--terminal);
  text-align: right;
}
.lb-unit {
  display: inline-block;
  margin-left: 7px;
  font-size: 15px;
  color: var(--terminal-dim);
}
.lb-badge {
  justify-self: end;
  font-family: var(--font-pixel);
  font-size: 7px;
  letter-spacing: 1px;
  color: var(--ink);
  background: var(--terminal-dim);
  padding: 5px 6px;
  white-space: nowrap;
}

/* ---- podium: gold / silver / bronze --------------------------- */
/* Rank 1 is a brass plate with engraved dark type. The gold identity is
   carried by the plate, the border and the crown — NOT by gold text on a
   pale row, which only ever measured ~2.8:1. Everything here is ≥4.6:1. */
.lb-row--1 { border-color: var(--gold); background: var(--brass); }
.lb-row--1 .lb-rank,
.lb-row--1 .lb-score,
.lb-row--1 .lb-wallet { color: var(--terminal); }
.lb-row--1 .lb-unit { color: var(--charcoal); }
.lb-row--1 .lb-badge { background: var(--charcoal); }
.lb-row--1::after {
  content: "";
  position: absolute;
  inset: calc(-2 * var(--px));
  pointer-events: none;
  box-shadow: 0 0 16px var(--gold), inset 0 0 12px var(--gold);
  opacity: 0.3;
  animation: lb-gold-pulse 2.6s var(--ease-mech) infinite alternate;
}
@keyframes lb-gold-pulse {
  from { opacity: 0.14; }
  to   { opacity: 0.5; }
}
.lb-row--2 { border-color: var(--cream); }
.lb-row--2 .lb-rank { color: var(--cream); }
.lb-row--2 .lb-badge { background: var(--cream); }
.lb-row--3 { border-color: var(--amber); }
.lb-row--3 .lb-rank { color: var(--amber); }
.lb-row--3 .lb-badge { background: var(--amber); }

.lb-crown {
  position: absolute;
  left: 58px;
  top: -9px;
  font-size: 16px;
  line-height: 1;
  color: var(--gold);
  text-shadow: var(--px) var(--px) 0 var(--ink);
  transform: rotate(-14deg);
  pointer-events: none;
  z-index: 1;
}

/* occasional sparkle pixel on the rank-1 crown: a 3px glint that blinks
   twice per cycle, mostly dark (opacity/transform steps, onscreen only) */
.lb-crown::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -4px;
  width: 3px;
  height: 3px;
  background: var(--white-hi);
  box-shadow: 0 0 6px var(--white-hi);
  opacity: 0;
}
.lb-cab.is-onscreen .lb-crown::after {
  animation: lb-crown-sparkle 6.5s steps(1, end) infinite;
}
@keyframes lb-crown-sparkle {
  0%   { opacity: 0; transform: translate(0, 0); }
  70%  { opacity: 1; transform: translate(0, 0); }
  73%  { opacity: 0; transform: translate(0, 0); }
  76%  { opacity: 1; transform: translate(-10px, 9px); }
  79%  { opacity: 0; transform: translate(0, 0); }
  100% { opacity: 0; transform: translate(0, 0); }
}

/* ---- bottom call-to-action row -------------------------------- */
.lb-row--you .lb-entry {
  grid-template-columns: 1fr;
  justify-items: center;
}
.lb-you-text {
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 1px;
  text-align: center;
  color: var(--terminal);
  animation: lb-you-blink 1.15s steps(1, end) infinite;
}
@keyframes lb-you-blink {
  0%, 100% { opacity: 1; }
  55%      { opacity: 0.35; }
}

/* ---- footer line ----------------------------------------------- */
.lb-foot {
  margin: 0;
  padding: 4px 14px 14px;
  font-family: var(--font-term);
  font-size: 17px;
  color: var(--amber);
  text-align: center;
}

/* ---- staggered step-in on first reveal -------------------------- */
.lb-cab:not(.is-live) .lb-row {
  opacity: 0;
  transform: translateY(12px);
}
.lb-cab.is-live .lb-row {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--dur-slow) var(--ease-snap),
    transform var(--dur-slow) var(--ease-snap);
  transition-delay: calc(var(--i, 0) * 55ms);
}

/* ---- low quality tier: static glow ------------------------------ */
.lb-cab[data-q="low"] .lb-row--1::after {
  animation: none;
  opacity: 0.3;
}
.lb-cab[data-q="low"] .lb-crown::after { animation: none; }

/* ---- reduced motion: no loops, no one-shots, instant states ------- */
@media (prefers-reduced-motion: reduce) {
  .lb-cab.is-onscreen .lb-mq-alt { animation: none; }
  .lb-cab.is-onscreen .lb-crown::after { animation: none; }
  .lb-row:hover .lb-ava canvas,
  .lb-row:focus-within .lb-ava canvas { animation: none; }
  .lb-row.lb-swap-tick::before { animation: none; opacity: 0; }
  .lb-panel.lb-panel-in { animation: none; }
  .lb-you-text { animation: none; }
  .lb-row--1::after { animation: none; opacity: 0.3; }
  .lb-tab:hover,
  .lb-tab:focus-visible { transform: none; }
}

/* ---- mobile ------------------------------------------------------ */
@media (max-width: 640px) {
  .lb-marquee {
    flex-direction: column;
    gap: 8px;
    min-height: 0;
    padding: 10px 12px;
  }
  .lb-demo { position: static; transform: none; }
  .lb-tabs { flex-direction: column; }
  .lb-tab { flex: 1 1 auto; }
  .lb-screen { margin: 10px; padding: 4px 6px 0; }
  .lb-row { grid-template-columns: 26px 1fr; gap: 8px; padding: 7px 6px; }
  .lb-rank { font-size: 9px; }
  .lb-entry {
    grid-template-columns: 40px 1fr auto;
    grid-template-rows: auto auto;
    gap: 2px 8px;
  }
  .lb-ava { grid-row: 1 / span 2; }
  .lb-wallet { grid-column: 2; grid-row: 1; font-size: 17px; }
  .lb-score { grid-column: 2; grid-row: 2; text-align: left; font-size: 17px; }
  .lb-badge { grid-column: 3; grid-row: 1 / span 2; align-self: center; }
  .lb-crown { left: 40px; }
  .lb-you-text { font-size: 8px; }
}