:root {
  --bg: #07080d;
  --ink: #e8eef7;
  --muted: #8b97ab;
  --gold: #f0c14a;
  --cyan: #3ee0ff;
  --hp: #e23d4a;
  --hp2: #ff8a3d;
  --meter: #3ee0ff;
  --panel: rgba(8, 10, 16, 0.78);
  --stroke: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(62, 224, 255, 0.12), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: "Share Tech Mono", ui-monospace, monospace;
}
button { font-family: inherit; }

#app {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.brand-kicker {
  display: block;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--cyan);
}
.brand h1 {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(48px, 8vw, 84px);
  line-height: 0.8;
  margin: 0;
  letter-spacing: 0.06em;
  text-shadow: 0 0 24px rgba(240, 193, 74, 0.35);
}
.tag { margin: 0 0 8px; color: var(--muted); font-size: 13px; text-align: right; }

.panel {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(10px);
}
.select-title, .card-kicker {
  margin: 0 0 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--gold);
}
.roster {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.fighter-card {
  position: relative;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  background: #0b0d14;
  color: inherit;
}
.fighter-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: saturate(1.05);
}
.fighter-card .meta {
  padding: 8px 10px 10px;
  text-align: left;
}
.fighter-card .who {
  font-family: "Bebas Neue", sans-serif;
  font-size: 22px;
  letter-spacing: 0.04em;
}
.fighter-card .style {
  display: block;
  font-size: 11px;
  color: var(--muted);
}
.fighter-card.p1 { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.fighter-card.p2 { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan); }
.fighter-card.p1.p2 { border-color: #fff; }
.badge {
  position: absolute;
  top: 8px;
  font-family: "Orbitron", sans-serif;
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 999px;
}
.badge.l { left: 8px; background: var(--gold); color: #111; }
.badge.r { right: 8px; background: var(--cyan); color: #111; }

.versus-line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin: 18px 0 8px;
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  letter-spacing: 0.04em;
}
.versus-line em {
  font-style: normal;
  color: var(--gold);
  font-size: 36px;
  text-shadow: 0 0 18px rgba(240, 193, 74, 0.5);
}
.select-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.keys { text-align: center; color: var(--muted); font-size: 12px; margin: 16px 0 0; }
kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--stroke);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: #12151e;
}

.btn-arcade, .btn-ghost, .btn-back {
  cursor: pointer;
  border-radius: 8px;
  padding: 12px 28px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.btn-arcade {
  border: 0;
  background: linear-gradient(#ffe08a, var(--gold));
  color: #1a1404;
  font-family: "Orbitron", sans-serif;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 6px 0 #8a6a12, 0 10px 24px rgba(240, 193, 74, 0.25);
}
.btn-arcade:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn-arcade:not(:disabled):active { transform: translateY(3px); box-shadow: 0 3px 0 #8a6a12; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--stroke);
  color: var(--ink);
}
.fight-keys {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  z-index: 4;
  margin: 0;
  padding: 4px 10px;
  font-size: 11px;
  color: rgba(232, 238, 247, 0.75);
  background: rgba(0, 0, 0, 0.45);
  border-radius: 6px;
  pointer-events: none;
  white-space: nowrap;
}
.btn-back {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 5;
  background: rgba(0,0,0,0.55);
  border: 1px solid var(--stroke);
  color: var(--ink);
  padding: 8px 12px;
  font-size: 12px;
}

.arena {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--stroke);
  background: #000;
  isolation: isolate;
}
#ring {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}
.hud {
  position: absolute;
  inset: 10px 12px auto;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  pointer-events: none;
}
.fighter-hud {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.fighter-hud.right { flex-direction: row-reverse; }
.fighter-hud.right .name-row { flex-direction: row-reverse; }
.fighter-hud.right .bar i { margin-left: auto; }
.fighter-hud img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.35);
}
.hud-col { flex: 1; min-width: 0; }
.name-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: "Bebas Neue", sans-serif;
  font-size: 26px;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 0 #000;
  line-height: 1;
}
.model-tag { font-family: "Share Tech Mono", monospace; font-size: 10px; color: var(--muted); letter-spacing: 0.08em; }
.bar {
  height: 12px;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}
.bar i { display: block; height: 100%; width: 100%; }
.fighter-hud.right .bar i { margin-left: auto; }
.bar.hp i { background: linear-gradient(90deg, var(--hp), var(--hp2)); }
.bar.meter { height: 6px; }
.bar.meter i { background: linear-gradient(90deg, #1a5b72, var(--meter)); }
.rounds { display: flex; gap: 4px; }
.fighter-hud.right .rounds { flex-direction: row-reverse; }
.pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid #fff;
  background: transparent;
}
.pip.on { background: var(--gold); box-shadow: 0 0 8px var(--gold); }
.hud-center { text-align: center; }
.timer {
  font-family: "Orbitron", sans-serif;
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 0 12px #000;
}
.round-chip {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.banner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 4;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(56px, 10vw, 120px);
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 4px 0 #000, 0 0 32px rgba(240, 193, 74, 0.55);
  pointer-events: none;
  animation: pop 0.35s ease-out;
}
.banner[hidden] {
  display: none !important;
}
.banner.ko { color: var(--hp2); }
.banner.vs { font-size: clamp(72px, 14vw, 160px); color: var(--gold); }
@keyframes pop {
  from { transform: scale(2.2); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.card-panel h2 {
  font-family: "Bebas Neue", sans-serif;
  font-size: 56px;
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}
.card-vs { color: var(--muted); margin-bottom: 16px; }
.axes {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 8px 12px;
  margin: 0 0 16px;
}
.axes dt { color: var(--muted); }
.axes .track {
  align-self: center;
  height: 8px;
  background: #191d28;
  border-radius: 99px;
  overflow: hidden;
}
.axes .track span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}
.card-limits { color: var(--muted); font-size: 12px; }

.hidden { display: none !important; }
.foot {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 720px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .tag { text-align: left; }
  .roster { grid-template-columns: 1fr 1fr; }
  .hud { inset: 6px 6px auto; gap: 4px; }
  .name-row { font-size: 14px; }
  .model-tag { display: none; }
  .fighter-hud img { width: 32px; height: 32px; }
  .timer { font-size: 18px; }
  .round-chip { font-size: 9px; }
  .bar { height: 8px; }
  .keys { display: none; }
  .fight-keys { display: none; }
  .axes { grid-template-columns: 1fr; }
  .btn-back { bottom: 8px; left: 8px; }
}