/* Quantum Arcade — terminal aesthetic.
 *
 * Phosphor green on black, monospace everywhere, CRT scanlines and a faint
 * flicker. Colour is rationed: amber for money at risk, magenta for the
 * multiplier, red for the crash. Everything else is green on black, because
 * a terminal that shouts about everything says nothing. */

:root {
  --black:     #000000;
  --panel:     #030806;
  --green:     #00ff9c;
  --green-dim: #0a7a52;
  --green-ghost: #063a29;
  --amber:     #ffb000;
  --magenta:   #ff2e88;
  --red:       #ff3355;
  --grid:      #06181200;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--black);
  color: var(--green);
  font: 14px/1.5 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
  overscroll-behavior: none;
  text-shadow: 0 0 6px #00ff9c40;
}

/* Faint hex-grid ornament behind everything. */
.filigree {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  color: #0d2b21;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

/* CRT scanlines and a slow flicker over the whole page. */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 50;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    #00ff9c08 0px, #00ff9c08 1px,
    transparent 1px, transparent 3px);
  animation: flicker 5s infinite steps(60);
}

@keyframes flicker {
  0%, 96%, 100% { opacity: 0.5; }
  97%           { opacity: 0.75; }
  98%           { opacity: 0.35; }
}

body > * { position: relative; z-index: 1; }

/* ---------- chrome ---------- */

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--green-ghost);
  background: #00120c;
}

.brand {
  font-weight: 700; letter-spacing: 0.18em; font-size: 12px;
}
.brand::before { content: "> "; color: var(--green-dim); }
.brand span { color: var(--amber); margin-left: 5px; }

.balance { margin-left: auto; text-align: right; line-height: 1.15; }
.balance .label {
  display: block; font-size: 9px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--green-dim);
}
.balance .value {
  font-variant-numeric: tabular-nums;
  font-size: 17px; font-weight: 700; color: var(--amber);
  text-shadow: 0 0 14px #ffb00066;
}

.sound {
  background: none; border: 1px solid var(--green-ghost); color: var(--green-dim);
  width: 32px; height: 32px; border-radius: 3px; font-size: 14px;
}
.sound.on { color: var(--green); border-color: var(--green); }

/* ---------- panels ---------- */

.panel { max-width: 460px; margin: 0 auto; padding: 34px 20px; }
.center { text-align: center; }

h1 {
  font-size: 19px; margin: 0 0 10px; letter-spacing: 0.1em;
  text-transform: uppercase;
}
h1::after {
  content: "_";
  animation: blink 1.1s steps(2) infinite;
  color: var(--green);
}
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

h2 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green-dim); margin: 0 0 10px;
}
h2::before { content: "// "; }

.muted { color: var(--green-dim); }
.small { font-size: 12px; }
.fineprint {
  font-size: 10.5px; color: var(--green-dim); margin-top: 16px;
  word-break: break-all;
}

input {
  width: 100%; padding: 11px 12px; margin: 7px 0;
  background: #00140e; border: 1px solid var(--green-ghost); border-radius: 3px;
  color: var(--green); font-size: 16px; /* 16px stops iOS zooming on focus */
  font-family: inherit;
}
input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 10px #00ff9c33; }
input::placeholder { color: var(--green-ghost); }

button {
  font: inherit; cursor: pointer; border-radius: 3px;
  border: 1px solid var(--green-ghost); background: #00140e; color: var(--green);
  padding: 10px 14px; letter-spacing: 0.06em;
}
button:active { transform: translateY(1px); }

.primary {
  background: #00291c; color: var(--green);
  border: 1px solid var(--green); font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  box-shadow: 0 0 18px #00ff9c33, inset 0 0 18px #00ff9c11;
  width: 100%; padding: 14px;
}
.primary.big { font-size: 15px; padding: 17px; }

/* Money at risk turns amber and pulses — the one element that demands a
   decision looks different from everything else. */
.primary.cashout {
  background: #2a1c00; color: var(--amber); border-color: var(--amber);
  box-shadow: 0 0 26px #ffb00055, inset 0 0 18px #ffb00011;
  animation: urge 800ms ease-in-out infinite;
}
.primary:disabled { opacity: 0.35; box-shadow: none; animation: none; }

@keyframes urge {
  0%, 100% { box-shadow: 0 0 18px #ffb00044, inset 0 0 14px #ffb00011; }
  50%      { box-shadow: 0 0 34px #ffb000aa, inset 0 0 22px #ffb00022; }
}

/* ---------- tabs ---------- */

.tabs {
  display: flex; gap: 4px; padding: 10px 10px 0;
  max-width: 620px; margin: 0 auto;
}
.tab {
  flex: 1; padding: 9px 3px; font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; background: none; border: none;
  color: var(--green-dim); border-bottom: 1px solid var(--green-ghost);
  border-radius: 0;
}
.tab.active {
  color: var(--green); border-bottom-color: var(--green);
  text-shadow: 0 0 10px #00ff9c88;
}

.view { max-width: 620px; margin: 0 auto; padding: 12px 12px 60px; }

/* ---------- crash stage ---------- */

.gamepick { display: flex; gap: 4px; margin-bottom: 10px; }
.gamepick button {
  flex: 1; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 8px 3px; color: var(--green-dim);
}
.gamepick button.on {
  color: var(--green); border-color: var(--green); background: #00291c;
}

.stage {
  position: relative; border-radius: 3px; overflow: hidden;
  border: 1px solid var(--green-ghost);
  background: #000603;
  aspect-ratio: 4 / 3;
}
#canvas { width: 100%; height: 100%; display: block; }

.readout {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; pointer-events: none;
}
.multiplier {
  font-size: clamp(42px, 16vw, 82px); font-weight: 700;
  font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
  color: var(--magenta); text-shadow: 0 0 30px #ff2e8877;
}
.multiplier.crashed {
  color: var(--red); text-shadow: 0 0 34px #ff335599;
  animation: glitch 260ms steps(2) 3;
}
.multiplier.won {
  color: var(--amber); text-shadow: 0 0 40px #ffb000aa;
}

@keyframes glitch {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-3px, 1px); }
  50%  { transform: translate(3px, -1px); }
  75%  { transform: translate(-2px, -2px); }
  100% { transform: translate(0, 0); }
}

.state {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--green-dim); margin-top: 5px;
}

.controls { margin-top: 12px; }
.stakerow { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.chip { flex: 1; font-variant-numeric: tabular-nums; padding: 11px 3px; font-size: 13px; }
.chip.on { border-color: var(--green); color: var(--green); background: #00291c; }
.unit { font-size: 10px; color: var(--green-dim); letter-spacing: 0.1em; }

/* Auto cash-out target row. */
.autorow {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
  border: 1px solid var(--green-ghost); border-radius: 3px; padding: 8px 10px;
}
.autorow label {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green-dim); white-space: nowrap;
}
.autorow input {
  margin: 0; padding: 6px 8px; text-align: right; width: 90px;
  font-variant-numeric: tabular-nums;
}
.autorow .x { color: var(--green-dim); font-size: 13px; }
.autorow.armed { border-color: var(--amber); }
.autorow.armed label, .autorow.armed .x { color: var(--amber); }
.autorow.armed input { color: var(--amber); border-color: var(--amber); }

.hint {
  min-height: 17px; margin-top: 7px; font-size: 11.5px;
  color: var(--green-dim); text-align: center;
}
.hint.bad  { color: var(--red); }
.hint.good { color: var(--amber); }

.players { margin-top: 12px; display: flex; flex-direction: column; gap: 3px; }
.player {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px;
  background: #00120c; border: 1px solid var(--green-ghost); border-radius: 3px;
  font-size: 12.5px;
}
.player .who { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player .amt { font-variant-numeric: tabular-nums; color: var(--green-dim); }
.player.out { border-color: #4a3300; }
.player.out .amt { color: var(--amber); }

.proof { margin-top: 16px; }
.proof summary {
  cursor: pointer; font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--green-dim); padding: 7px 0;
}
.kv { display: flex; gap: 8px; font-size: 10.5px; padding: 3px 0; }
.kv span { color: var(--green-dim); min-width: 92px; }
.kv code { word-break: break-all; color: var(--green); opacity: 0.75; }

/* ---------- cards / scratch ---------- */

.card {
  background: #00120c; border: 1px solid var(--green-ghost);
  border-radius: 3px; padding: 14px; margin-bottom: 12px;
}
.card h3 {
  margin: 0 0 4px; font-size: 15px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--green);
}

.grid { display: grid; gap: 6px; margin: 12px 0; }
.grid.c9 { grid-template-columns: repeat(3, 1fr); }
.grid.c6 { grid-template-columns: repeat(3, 1fr); }

.cell {
  aspect-ratio: 1; display: grid; place-items: center;
  font-size: 24px; border-radius: 3px;
  background: #001f16; border: 1px solid var(--green-ghost);
  color: var(--green-dim);
  transition: background 200ms ease, color 200ms ease;
}
.cell.revealed { background: #000603; color: var(--green); border-color: var(--green-ghost); }
.cell.hit {
  border-color: var(--amber); color: var(--amber);
  box-shadow: 0 0 16px #ffb00055;
}

.odds { width: 100%; border-collapse: collapse; font-size: 11.5px; margin-top: 8px; }
.odds th, .odds td {
  text-align: left; padding: 5px 3px; border-bottom: 1px solid var(--green-ghost);
}
.odds th {
  color: var(--green-dim); font-weight: 400; font-size: 9.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.odds td:last-child, .odds th:last-child {
  text-align: right; font-variant-numeric: tabular-nums;
}
.rtp { color: var(--amber); font-weight: 700; }

.result { text-align: center; padding: 8px 0; font-size: 14px; }
.result.win {
  color: var(--amber); font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- wallet ---------- */

.pubkey {
  display: block; word-break: break-all; font-size: 10.5px;
  background: #000603; padding: 9px; border-radius: 3px; margin: 7px 0;
  color: var(--green-dim); border: 1px solid var(--green-ghost);
}

.history { display: flex; flex-direction: column; gap: 2px; }
.entry {
  display: flex; gap: 8px; font-size: 11.5px; padding: 7px 9px;
  background: #000603; border-radius: 3px;
}
.entry .kind { flex: 1; color: var(--green-dim); }
.entry .delta { font-variant-numeric: tabular-nums; }
.entry .delta.pos { color: var(--amber); }
.entry .delta.neg { color: var(--green-dim); }
.entry .after {
  font-variant-numeric: tabular-nums; color: var(--green-dim);
  min-width: 70px; text-align: right;
}

.verify-out { margin-top: 10px; font-size: 11.5px; }
.verify-out .ok  { color: var(--green); font-weight: 700; }
.verify-out .bad { color: var(--red); font-weight: 700; }
.verify-out .kv code { font-size: 10px; }

/* ============================================================
   MOBILE-FIRST LAYER
   Everything above assumed a single column. This layer adds the
   bottom navigation, stat tiles, charts, and the desktop widening.
   ============================================================ */

/* Bottom nav replaces the old top tabs: on a phone held one-handed,
   navigation belongs where the thumb already is. */
.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  display: flex; gap: 0; padding: 0;
  max-width: none; margin: 0;
  background: #00120cf2;
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--green-ghost);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.tabs .tab {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 3px; padding: 9px 2px 7px;
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  border: none; border-top: 2px solid transparent; border-bottom: none;
  background: none; color: var(--green-dim); border-radius: 0;
}
.tabs .tab .ico { font-size: 15px; line-height: 1; }
.tabs .tab.active {
  color: var(--green); border-top-color: var(--green);
  background: #00ff9c0a;
}

/* Leave room for the fixed nav. */
.view { padding-bottom: 84px; }

/* The 3D stage is the hero: taller on phones, where vertical space is what
   there is most of. */
.stage { aspect-ratio: 1 / 1; }
@media (min-width: 560px) { .stage { aspect-ratio: 16 / 11; } }

#scene { width: 100%; height: 100%; display: block; }

.stagetop {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; justify-content: center; padding: 8px;
  pointer-events: none;
}
.pot {
  font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--green-dim);
}

/* Crash history strip under the stage — the at-a-glance recent record. */
.strip {
  display: flex; gap: 4px; overflow-x: auto; padding: 8px 0 2px;
  scrollbar-width: none;
}
.strip::-webkit-scrollbar { display: none; }
.strip .pip {
  flex: 0 0 auto; font-size: 10.5px; padding: 4px 7px; border-radius: 2px;
  font-variant-numeric: tabular-nums;
  background: #00140e; border: 1px solid var(--green-ghost);
  color: var(--green-dim);
}
.strip .pip.mid  { color: var(--amber);   border-color: #4a3300; }
.strip .pip.high { color: var(--magenta); border-color: #4a0f2c; }

/* Auto cash-out presets. */
.presets { display: flex; gap: 3px; margin-left: auto; }
.presets button {
  padding: 5px 8px; font-size: 11px; color: var(--green-dim);
  font-variant-numeric: tabular-nums;
}
.presets button:active { color: var(--amber); border-color: var(--amber); }

/* ---------- stat tiles ---------- */

.tiles {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
  margin-bottom: 12px;
}
@media (min-width: 560px) { .tiles { grid-template-columns: repeat(4, 1fr); } }

.tile {
  background: #00120c; border: 1px solid var(--green-ghost);
  border-radius: 3px; padding: 11px 12px;
  display: flex; flex-direction: column; gap: 2px; min-height: 76px;
}
.tile-label {
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--green-dim);
}
.tile-value {
  font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums;
  color: var(--green); line-height: 1.15;
}
.tile-value.up   { color: var(--amber); }
.tile-value.down { color: var(--red); }
.tile-sub { font-size: 9.5px; color: var(--green-dim); }
.tile-spark { height: 22px; margin-top: auto; }

/* ---------- charts ---------- */

.chart { width: 100%; height: 110px; }
.chart-donut { height: 130px; display: grid; place-items: center; }
.chart-donut svg { width: 130px; height: 130px; }
.chart-empty { text-align: center; padding: 30px 10px; margin: 0; }

/* ---------- tech spec list ---------- */

.specs { margin: 0; font-size: 12px; }
.specs dt {
  color: var(--amber); font-size: 9.5px; letter-spacing: 0.14em;
  text-transform: uppercase; margin-top: 10px;
}
.specs dt:first-child { margin-top: 0; }
.specs dd { margin: 2px 0 0; color: var(--green-dim); }

/* ---------- crypto badge on the sign-in screen ---------- */

.cryptobadge {
  display: flex; gap: 6px; justify-content: center; margin-top: 18px;
  flex-wrap: wrap;
}
.cryptobadge span {
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green-dim); border: 1px solid var(--green-ghost);
  padding: 4px 8px; border-radius: 2px;
}

/* ---------- desktop widening ---------- */

@media (min-width: 900px) {
  .view { max-width: 860px; }
  /* Side-by-side once there is width for it, rather than a tall scroll. */
  #view-crash {
    display: grid; grid-template-columns: 1.35fr 1fr;
    grid-template-areas: "pick pick" "stage controls" "strip players" "proof proof";
    gap: 0 20px; align-items: start;
  }
  #view-crash .gamepick { grid-area: pick; }
  #view-crash .stage    { grid-area: stage; }
  #view-crash .strip    { grid-area: strip; }
  #view-crash .controls { grid-area: controls; margin-top: 0; }
  #view-crash .players  { grid-area: players; }
  #view-crash .proof    { grid-area: proof; }

  #view-portfolio { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
  #view-portfolio .tiles { grid-column: 1 / -1; }
}

/* Respect a stated preference for less motion: the urgency pulse and the
   scanline flicker are exactly what that setting is asking about. */
@media (prefers-reduced-motion: reduce) {
  .primary.cashout { animation: none; }
  body::after { animation: none; }
  .multiplier.crashed { animation: none; }
  h1::after { animation: none; }
}