:root {
  --player: #ff8a3f;
  --bot: #4d9bff;
  --node: #b388ff;
  --good: #35d07f;
  --bad: #ff5a5a;
  --ink: #eef2f8;
  --panel: rgba(16, 19, 27, 0.82);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: #0e1117;
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  user-select: none;
}

#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; }

#hud { position: fixed; inset: 0; pointer-events: none; }

/* Scoreboard */
#scoreboard {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 18px;
  background: var(--panel); padding: 10px 20px; border-radius: 14px;
  backdrop-filter: blur(6px); box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}
.team { display: flex; align-items: center; gap: 10px; font-size: 30px; font-weight: 800; }
.team-label { font-size: 13px; letter-spacing: 2px; opacity: 0.8; font-weight: 700; }
.team.player #score-player, .team.player .team-label { color: var(--player); }
.team.bot #score-bot, .team.bot .team-label { color: var(--bot); }
#clock { font-size: 26px; font-weight: 700; min-width: 84px; text-align: center; font-variant-numeric: tabular-nums; }
#clock.ot { color: var(--bad); animation: pulse 1s infinite; }

/* Center banner */
#banner {
  position: absolute; top: 34%; left: 50%; transform: translate(-50%, -50%) scale(0.9);
  font-size: 64px; font-weight: 900; letter-spacing: 3px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.6); opacity: 0; transition: opacity 0.2s, transform 0.2s;
}
#banner.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* Feedback toast */
.feedback {
  position: absolute; top: 62%; left: 50%; transform: translateX(-50%) translateY(8px);
  padding: 8px 18px; border-radius: 20px; font-weight: 700; font-size: 18px;
  background: var(--panel); opacity: 0; transition: opacity 0.2s, transform 0.2s;
}
.feedback.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.feedback.correct { color: var(--good); box-shadow: 0 0 0 2px var(--good) inset; }
.feedback.wrong { color: var(--bad); box-shadow: 0 0 0 2px var(--bad) inset; }
.feedback.timeout { color: #ffd23f; }
.feedback.pad { color: #ffd23f; }

/* Boost cluster */
#boost-cluster { position: absolute; left: 22px; bottom: 22px; }
.boost-row { display: flex; align-items: center; gap: 12px; }
.boost-meter {
  width: 220px; height: 22px; border-radius: 12px; overflow: hidden;
  background: rgba(255,255,255,0.12); box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
#boost-fill {
  height: 100%; width: 33%;
  background: linear-gradient(90deg, #ffb547, #ff7a18);
  transition: width 0.12s linear;
}
.boost-num { font-weight: 800; font-size: 26px; line-height: 1; }
.boost-num small { display: block; font-size: 10px; letter-spacing: 2px; opacity: 0.7; }
#focus-badge {
  display: none; align-items: center; padding: 4px 10px; border-radius: 12px;
  background: #7c4dff; color: #fff; font-weight: 800; font-size: 13px; letter-spacing: 1px;
  animation: pulse 0.8s infinite;
}
.msr-row { margin-top: 8px; font-size: 13px; letter-spacing: 1px; opacity: 0.8; }
.msr-row span { font-weight: 800; color: var(--node); }

/* Math Gate overlay - anchored bottom-right, does NOT block the field */
#math {
  position: absolute; right: 22px; bottom: 22px; width: 340px;
  background: var(--panel); border: 1px solid rgba(179,136,255,0.5);
  border-radius: 16px; padding: 14px 16px; pointer-events: auto;
  opacity: 0; transform: translateY(12px); transition: opacity 0.15s, transform 0.15s;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
#math.show { opacity: 1; transform: translateY(0); }
.math-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
#math-cat { font-size: 12px; letter-spacing: 2px; color: var(--node); font-weight: 700; text-transform: uppercase; }
.math-timerbar { flex: 1; height: 6px; border-radius: 4px; background: rgba(255,255,255,0.12); overflow: hidden; }
#math-timer { height: 100%; width: 100%; background: var(--node); transition: width 0.08s linear; }
#math-q { font-size: 26px; font-weight: 800; margin: 6px 0 12px; }
.math-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.opt {
  pointer-events: auto; cursor: pointer; font: inherit; font-size: 17px; font-weight: 700;
  padding: 10px 12px; min-height: 44px; text-align: left;
  border: 1px solid rgba(255,255,255,0.18); border-radius: 10px;
  background: rgba(255,255,255,0.06); color: var(--ink); transition: background 0.1s, transform 0.05s;
}
.opt:hover:not(:disabled) { background: rgba(255,255,255,0.14); }
.opt:active:not(:disabled) { transform: scale(0.97); }
.opt.correct { background: var(--good); color: #06210f; border-color: var(--good); }
.opt.wrong { background: var(--bad); color: #2a0808; border-color: var(--bad); }
.math-hint { margin-top: 8px; font-size: 12px; opacity: 0.6; text-align: center; }

/* Post-match + start overlays */
#post, #start {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(8, 10, 15, 0.86); backdrop-filter: blur(8px); z-index: 20;
}
#post.show { display: flex; }
#start { display: flex; }
.post-inner, .start-inner {
  width: min(560px, 92vw); background: #141924; border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px; padding: 28px; text-align: center; box-shadow: 0 20px 80px rgba(0,0,0,0.6);
}
.post-inner h1, .start-inner h1 { font-size: 34px; letter-spacing: 4px; margin-bottom: 6px; }
.start-inner h1 { background: linear-gradient(90deg, var(--player), var(--node)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tag { letter-spacing: 3px; opacity: 0.7; margin-bottom: 18px; }
.controls { display: grid; gap: 8px; margin: 16px auto; font-size: 15px; opacity: 0.9; }
.note { font-size: 14px; opacity: 0.75; margin: 14px 0 20px; line-height: 1.5; }
kbd {
  display: inline-block; min-width: 26px; padding: 3px 7px; margin: 0 2px;
  background: #222836; border: 1px solid #3a4256; border-radius: 6px;
  border-bottom-width: 3px; border-bottom-color: #10131a; font: inherit; font-size: 13px; font-weight: 700;
}
button#restart, button#start-btn {
  pointer-events: auto; cursor: pointer; font: inherit; font-size: 18px; font-weight: 800;
  padding: 12px 30px; min-height: 44px; border: none; border-radius: 12px;
  background: linear-gradient(90deg, var(--player), #ff5a5a); color: #fff;
  box-shadow: 0 8px 24px rgba(255,90,90,0.35); transition: transform 0.05s;
}
button#restart:active, button#start-btn:active { transform: scale(0.97); }

.post-result { font-size: 40px; font-weight: 900; letter-spacing: 3px; margin-bottom: 4px; }
.post-result.win { color: var(--good); }
.post-result.lose { color: var(--bad); }
.post-result.draw { color: #ffd23f; }
.post-score { font-size: 24px; font-weight: 700; opacity: 0.85; margin-bottom: 18px; }
.post-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.post-card { background: #0e131c; border-radius: 14px; padding: 14px; }
.post-card.mvp { box-shadow: 0 0 0 2px var(--node) inset; }
.post-k { font-size: 12px; letter-spacing: 1px; opacity: 0.65; text-transform: uppercase; }
.post-v { font-size: 30px; font-weight: 900; margin: 4px 0; }
.post-sub { font-size: 12px; opacity: 0.6; }
.post-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 14px; }
.post-table th, .post-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.08); }
.post-table th { opacity: 0.6; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }

/* Responsive: scale the HUD down on small screens (GDD page standards). */
@media (max-width: 640px) {
  #math { width: min(300px, 88vw); }
  #math-q { font-size: 22px; }
  .boost-meter { width: 150px; }
  #banner { font-size: 44px; }
  .team { font-size: 24px; }
}