/* Old trading floor at night: near-black, one ticker amber, paper-white text.
   Barlow Condensed for boards and numbers, IBM Plex Mono for wallets and data.
   Layout: a sticky header, the 3D floor as the hero, then tape + wall side by side, then rules and proof. */
:root {
  --night: #0d0c0b;
  --panel: #161411;
  --panel-2: #1d1a16;
  --line: #2e2a25;
  --text: #f1ece2;
  --muted: #958c7e;
  --yellow: #ffb52e;
  --red: #ff4a3a;
  --green: #3ccf6e;
  --paper: #f1ece2;
  --ink: #111;
  --display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
:root {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
[hidden] { display: none !important; }
img { max-width: 100%; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: var(--night);
}
a { color: inherit; }
button { font: inherit; }

/* ---------- header ---------- */
.top {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: rgba(13, 12, 11, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in {
  display: flex;
  align-items: center;
  gap: 12px 16px;
  flex-wrap: wrap;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 10px;
  max-width: 1280px;
  margin: 0 auto;
}
.mark { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.mark-sack {
  display: grid; place-items: center;
  width: 30px; height: 30px;
  background: var(--yellow); color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 50% 50% 46% 46%;
  font: 800 20px/1 var(--display);
  box-shadow: 2px 2px 0 #000;
}
.mark-word { font: 800 24px/1 var(--display); letter-spacing: 0.04em; color: var(--yellow); }

.ca {
  display: flex; align-items: center; gap: 8px;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 4px 4px 4px 10px;
}
.ca-label { font: 700 13px/1 var(--display); letter-spacing: 0.1em; color: var(--muted); }
.ca-value { font: 500 12px/1 var(--mono); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 22ch; }
.ca-copy {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  font: 700 13px/1 var(--display); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 6px 8px; cursor: pointer;
}
.ca-copy:disabled { opacity: 0.45; cursor: default; }

.top-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.btn-ghost, .btn-buy {
  font: 700 15px/1 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 9px 12px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.btn-buy {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 3px 3px 0 #000;
}
.btn-buy:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 #000; }
.btn-ghost[aria-pressed="false"] { color: var(--muted); }
:is(.btn-ghost, .btn-buy, .ca-copy, .mark):focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }

/* ---------- the floor (3D hero) ---------- */
.hall {
  position: relative;
  height: min(80vh, 820px);
  min-height: 460px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  touch-action: pan-y;
  cursor: grab;
}
.stage:active { cursor: grabbing; }
.stage canvas { display: block; width: 100%; height: 100%; }

/* status bar over the bottom of the 3D view */
.hud {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(13,12,11,0.95) 30%, rgba(13,12,11,0));
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 40px 14px;
  z-index: 2500;
}
.hud-in {
  display: grid;
  grid-template-columns: auto 1fr 1.4fr auto;
  gap: 10px 24px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: end;
}
.hud-cell { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.hud-k { font: 500 11px/1.2 var(--mono); color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.hud-v { font: 800 28px/1 var(--display); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-mono { font: 500 18px/1.3 var(--mono); }
.hud-clock .hud-v { font-size: 56px; color: var(--yellow); min-width: 3.2ch; }
.hud-clock.hot .hud-v { color: var(--red); }
.hud-clock.over .hud-v { color: var(--red); animation: blink 1s steps(2) infinite; font-size: 40px; }
.hud-round { text-align: right; }
.hud-v.bump { animation: bump 900ms ease-out; }
@keyframes bump { 0% { color: var(--green); transform: scale(1.12); } 100% { color: inherit; transform: none; } }
#hud-pot { transform-origin: left bottom; display: inline-block; }
@keyframes blink { 50% { opacity: 0.35; } }

@media (max-width: 640px) {
  .hall { height: 74vh; min-height: 420px; }
  .hud-in { grid-template-columns: auto 1fr; gap: 6px 16px; }
  .hud-clock { grid-row: span 2; }
  .hud-round { display: none; }
  .hud-clock .hud-v { font-size: 48px; }
  .hud-v { font-size: 22px; }
  .hud-mono { font-size: 14px; }
  .ca { order: 3; flex: 1 1 100%; }
  .ca-value { max-width: none; flex: 1; }
  .top-actions { gap: 6px; }
  .btn-ghost, .btn-buy { padding: 8px 9px; font-size: 14px; }
}

/* labels float over the 3D view; app.js moves them every frame */
.labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.label {
  position: absolute;
  left: 0; top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  will-change: transform;
}
.tag {
  font: 500 11px/1 var(--mono);
  color: var(--text);
  background: rgba(12, 11, 10, 0.8);
  border: 1px solid var(--line);
  padding: 3px 6px;
  border-radius: 3px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.label.holder .tag {
  font: 800 12px/1 var(--display);
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--yellow);
  border-color: var(--ink);
}
.bubble {
  position: relative;
  background: #fff;
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 10px;
  padding: 4px 10px 5px;
  box-shadow: 3px 3px 0 var(--ink);
  text-align: center;
  white-space: nowrap;
  transform-origin: 50% 100%;
  animation: pop 180ms cubic-bezier(.3, 1.6, .5, 1) both;
}
.bubble::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -9px;
  width: 12px; height: 12px;
  background: #fff;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: translateX(-50%) rotate(45deg);
}
.bubble b { display: block; font: 800 20px/1 var(--display); letter-spacing: 0.01em; }
.bubble.out { animation: fade 300ms ease-in forwards; }
@keyframes pop { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes fade { to { transform: translateY(-8px); opacity: 0; } }

/* the winner popup: a stamped trade ticket */
.winner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  pointer-events: none;
  z-index: 3000;
}
.winner[hidden] { display: none; }
.winner-card {
  pointer-events: auto;
  width: min(360px, 100%);
  background: var(--paper);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 18px 20px 20px;
  text-align: center;
  transform: rotate(-2deg);
  animation: ticket 420ms cubic-bezier(.2, 1.4, .4, 1) both;
}
.winner-kicker { margin: 0; font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: #5b544a; }
.winner-title {
  margin: 10px 0 4px;
  font: 800 54px/0.9 var(--display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--yellow);
  border: 3px solid var(--ink);
  display: inline-block;
  padding: 4px 14px 2px;
  transform: rotate(1.5deg);
}
.winner-wallet { margin: 10px 0 0; font: 500 16px/1.2 var(--mono); }
.winner-amount { margin: 4px 0 14px; font: 800 44px/1 var(--display); font-variant-numeric: tabular-nums; }
.winner-actions { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.winner-post, .winner-close {
  font: 700 18px/1 var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 14px;
  border: 2px solid var(--ink);
  cursor: pointer;
  text-decoration: none;
}
.winner-post { background: var(--ink); color: var(--yellow); }
.winner-close { background: transparent; color: var(--ink); }
.winner-post:focus-visible, .winner-close:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
@keyframes ticket { from { transform: rotate(-12deg) scale(0.3); opacity: 0; } to { transform: rotate(-2deg) scale(1); opacity: 1; } }

/* ---------- sections ---------- */
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 24px;
}
@media (max-width: 900px) { .two { grid-template-columns: minmax(0, 1fr); } }

.block { padding-block: 36px 8px; min-width: 0; }
.block-head {
  display: flex; align-items: baseline; gap: 6px 14px; flex-wrap: wrap;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: 8px;
  margin-bottom: 14px;
}
.block-head h2 {
  margin: 0;
  font: 800 34px/1 var(--display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-wrap: balance;
}
.block-note { color: var(--muted); font-size: 12px; }
.live-dot { font: 700 13px/1 var(--display); letter-spacing: 0.1em; text-transform: uppercase; color: var(--red); display: inline-flex; align-items: center; gap: 6px; }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--red); animation: blink 1.2s steps(2) infinite; }

/* live tape */
.tape-list {
  list-style: none; margin: 0; padding: 0;
  max-height: 460px; overflow-y: auto;
  border: 1px solid var(--line);
  background: var(--panel);
}
.tape-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px 12px;
  align-items: baseline;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.tape-list li:last-child { border-bottom: 0; }
.tape-list li.new { animation: slide 400ms ease-out; }
@keyframes slide { from { background: rgba(255, 181, 46, 0.18); } to { background: transparent; } }
.t-who { font-weight: 500; }
.t-what { color: var(--muted); min-width: 0; overflow-wrap: anywhere; }
.t-amt { font: 800 18px/1 var(--display); color: var(--green); }
.t-when { grid-column: 1 / -1; font-size: 11px; color: var(--muted); }
.tape-list li.win { background: rgba(255, 181, 46, 0.08); }
.tape-list li.win .t-amt { color: var(--yellow); }
.tape-list li.round .t-who { color: var(--yellow); font: 700 15px/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; }

/* wall of bagholders: pinned trade tickets */
.tickets {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}
.ticket {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 #000;
  padding: 14px 14px 12px;
  display: flex; flex-direction: column; gap: 6px;
  background-image: repeating-linear-gradient(to bottom, transparent 0 21px, rgba(60, 90, 130, 0.18) 21px 22px);
}
.ticket:nth-child(3n+1) { transform: rotate(-1.2deg); }
.ticket:nth-child(3n+2) { transform: rotate(0.8deg); }
.ticket:nth-child(3n) { transform: rotate(-0.4deg); }
.ticket::before { /* the pin */
  content: ""; position: absolute; top: -7px; left: 50%;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--red); border: 2px solid var(--ink);
  transform: translateX(-50%);
}
.ticket.fresh { animation: pin 500ms cubic-bezier(.2, 1.4, .4, 1); }
@keyframes pin { from { transform: translateY(-20px) rotate(-6deg); opacity: 0; } }
.tk-top { display: flex; justify-content: space-between; font-size: 11px; color: #5b544a; text-transform: uppercase; letter-spacing: 0.06em; }
.tk-wallet { font: 500 15px/1.2 var(--mono); }
.tk-amt { font: 800 34px/1 var(--display); font-variant-numeric: tabular-nums; }
.tk-meta { font-size: 11px; color: #5b544a; display: flex; justify-content: space-between; gap: 8px; }
.tk-post { align-self: flex-start; font: 700 13px/1 var(--display); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* so close */
.close-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px;
}
.close-list li {
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  background: var(--panel);
  padding: 10px 12px;
  display: grid; gap: 2px;
}
.c-margin { font: 800 26px/1 var(--display); color: var(--red); font-variant-numeric: tabular-nums; }
.c-who { font-size: 13px; }
.c-what { font-size: 12px; color: var(--muted); }

/* how it works */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 12px 14px 14px;
  font-size: 13px;
  color: var(--muted);
}
.steps li::before {
  content: counter(step);
  display: block;
  font: 800 30px/1 var(--display);
  color: var(--yellow);
  margin-bottom: 6px;
}
.steps b { display: block; color: var(--text); font: 700 19px/1.15 var(--display); letter-spacing: 0.02em; margin-bottom: 2px; }

.split { margin-top: 22px; }
.split-bar { display: flex; height: 40px; border: 2px solid var(--ink); box-shadow: 4px 4px 0 #000; }
.split-bar span { display: grid; place-items: center; font: 800 18px/1 var(--display); color: var(--ink); min-width: 0; overflow: hidden; }
.s1 { background: var(--yellow); }
.s2 { background: #e9e1cf; }
.s3 { background: #8a8070; }
.s4 { background: var(--red); }
.split-key { margin: 14px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px 18px; }
.split-key div { display: flex; gap: 10px; align-items: baseline; }
.split-key dt { font: 800 15px/1 var(--display); color: var(--ink); padding: 3px 6px; border: 1px solid var(--ink); }
.split-key dd { margin: 0; font-size: 13px; color: var(--muted); }
.fine { font-size: 12px; color: var(--muted); max-width: 68ch; margin-top: 14px; }

/* proof */
.proof-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 24px; }
@media (max-width: 800px) { .proof-grid { grid-template-columns: minmax(0, 1fr); } }
.proof-text p { margin: 0 0 12px; max-width: 64ch; color: #d6cfc2; }
.fee-wallet a { color: var(--yellow); word-break: break-all; font-size: 12px; }
.last-proof { border: 1px solid var(--line); background: var(--panel); padding: 12px; margin-top: 6px; }
.mono-line { margin: 6px 0 0; font-size: 12px; word-break: break-all; color: var(--text); }
.mono-line b { color: var(--yellow); font-weight: 500; }
.checker {
  display: flex; flex-direction: column; gap: 10px;
  border: 2px solid var(--ink); background: var(--paper); color: var(--ink);
  box-shadow: 6px 6px 0 #000;
  padding: 16px;
  align-self: start;
}
.checker .hud-k { color: #5b544a; }
.checker input {
  font: 500 13px/1.3 var(--mono);
  padding: 10px;
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  width: 100%;
}
.checker input:focus-visible { outline: 3px solid var(--yellow); outline-offset: 1px; }
.checker .btn-buy { align-self: flex-start; }
.hash-out { font-size: 12px; word-break: break-all; }
.hash-out b { font: 800 18px/1 var(--display); letter-spacing: 0.04em; text-transform: uppercase; }

/* footer */
.foot { border-top: 1px solid var(--line); margin-top: 48px; }
.foot-in { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: baseline; padding-block: 22px 32px; }
.foot p { margin: 0; color: var(--muted); font-size: 12px; }

@media (max-width: 520px) {
  .tag { font-size: 9px; padding: 2px 4px; }
  .bubble b { font-size: 16px; }
  .block-head h2 { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
}