* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #f2f2f2;
  color: #111;
  overflow: hidden;
}
.hidden { display: none !important; }
.screen { height: 100%; display: flex; }

#menu, #queue { align-items: center; justify-content: center; padding: 16px; }
.card {
  background: #fff;
  border: 3px solid #000;
  padding: 28px 32px;
  width: min(380px, 100%);
  text-align: center;
}
h1 { margin: 0 0 4px; font-size: 2.2rem; letter-spacing: 0.02em; }
h2 { margin: 0 0 8px; font-size: 1.3rem; }
.sub { margin: 0 0 20px; color: #555; }
form { display: flex; flex-direction: column; gap: 8px; text-align: left; }
label { font-weight: 600; font-size: 0.9rem; }
input {
  font: inherit; padding: 10px 12px; border: 2px solid #000; border-radius: 0;
}
button {
  font: inherit; font-weight: 700; padding: 10px 18px; margin-top: 8px;
  background: #000; color: #fff; border: 2px solid #000; cursor: pointer;
}
button:hover { background: #333; }
button.secondary { background: #fff; color: #000; }
button.secondary:hover { background: #eee; }
button:disabled { opacity: 0.5; cursor: default; }
.status { min-height: 1.2em; margin: 14px 0 0; color: #b00020; }

#game { flex-direction: column; align-items: center; padding: 8px 16px; gap: 8px; }
#scoreboard {
  display: flex; align-items: center; gap: 16px; font-weight: 700; font-size: 1.1rem;
  flex-wrap: wrap; justify-content: center;
}
#scoreboard .score { font-variant-numeric: tabular-nums; font-size: 1.4rem; }
#scoreboard .round { font-weight: 500; color: #555; font-size: 0.95rem; }
.swatch { display: inline-block; width: 12px; height: 12px; margin-right: 6px; vertical-align: -1px; }

#stage { position: relative; flex: 1; min-height: 0; width: 100%; display: flex; align-items: center; justify-content: center; }
#canvas { display: block; background: #fff; }
#overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
#overlay .panel {
  pointer-events: auto; background: rgba(255, 255, 255, 0.95); border: 3px solid #000;
  padding: 20px 28px; text-align: center; max-width: min(520px, 92%);
}
#overlay .big { font-size: 3rem; font-weight: 800; line-height: 1; margin: 8px 0; font-variant-numeric: tabular-nums; }
#overlay table { margin: 10px auto; border-collapse: collapse; text-align: left; }
#overlay td { padding: 3px 10px; }
#overlay td:first-child { font-weight: 700; white-space: nowrap; }
kbd { border: 1.5px solid #000; border-bottom-width: 3px; padding: 0 5px; font-family: inherit; font-size: 0.85em; background: #fff; }

#hud { width: min(640px, 100%); display: flex; flex-direction: column; gap: 6px; padding-bottom: 4px; }
.bar-row { display: flex; align-items: center; gap: 10px; }
.bar-label { width: 56px; font-weight: 700; font-size: 0.85rem; }
.bar { position: relative; flex: 1; height: 18px; border: 2px solid #000; background: #fff; }
.fill { height: 100%; width: 0; }
.fill.hp { background: #e53935; }
.fill.ammo { background: #fdd835; }
.ticks { position: absolute; inset: 0; display: flex; pointer-events: none; }
.ticks span { flex: 1; border-right: 2px solid #000; }
.ticks span:last-child { border-right: 0; }