:root{
  --off-white:#FCFCFD;
  --ink:#0A0D16;
  --blue:#1A67FD;
  --lime:#BFFF5A;
  --red:#E8384F;
  --grid: 48px;
}

*{ box-sizing:border-box; }

html,body{
  margin:0;
  height:100%;
  background-color:var(--off-white);
  background-image:
    linear-gradient(to right, rgba(10,13,22,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,13,22,0.04) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  color:var(--ink);
  font-family:'IBM Plex Sans', sans-serif;
  overflow:hidden;
  -webkit-user-select:none;
  user-select:none;
}

.hud{
  position:fixed;
  top:0; left:0; right:0;
  display:flex;
  justify-content:space-between;
  padding: 20px 28px;
  font-family:'IBM Plex Mono', monospace;
  z-index:5;
}
.hud-item{ display:flex; flex-direction:column; align-items:flex-start; }
.hud-item:last-child{ align-items:flex-end; }
.hud-label{ font-size:11px; letter-spacing:0.08em; text-transform:uppercase; opacity:0.5; }
.hud-value{ font-size:20px; font-weight:600; }

#stage{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}

.screen{
  width:100%;
  max-width:520px;
  padding:32px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.screen.hidden{ display:none; }

.title{
  font-size:44px;
  font-weight:700;
  margin:0 0 12px;
  letter-spacing:-0.02em;
}
.subtitle{
  font-size:16px;
  opacity:0.7;
  margin:0 0 28px;
  line-height:1.5;
}

.rules-list{
  text-align:left;
  list-style:none;
  padding:0;
  margin:0 0 32px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.rules-list li{
  font-size:14px;
  padding-left:20px;
  position:relative;
  opacity:0.85;
}
.rules-list li::before{
  content:'';
  position:absolute;
  left:0; top:7px;
  width:6px; height:6px;
  background:var(--blue);
  border-radius:50%;
}

.cta{
  font-family:'IBM Plex Mono', monospace;
  font-weight:600;
  font-size:15px;
  letter-spacing:0.02em;
  background:var(--lime);
  color:var(--ink);
  border:none;
  border-radius:999px;
  padding:16px 36px;
  cursor:pointer;
  transition: transform 0.15s ease;
}
.cta:hover{ transform: translateY(-2px); }
.cta:active{ transform: translateY(0); }

.command-text{
  font-size:20px;
  font-weight:500;
  max-width:440px;
  min-height:56px;
  line-height:1.4;
  margin:0 0 8px;
}
.command-text.mirror{ transform: scaleX(-1); }

.icon-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  min-height:32px;
  margin-bottom:18px;
  max-width:360px;
}
.icon-row .icon{
  font-size:24px;
  line-height:1;
}
.icon-row .icon.buddy{
  width:24px; height:24px;
  border-radius:50%;
  background:var(--blue);
  color:var(--off-white);
  font-family:'IBM Plex Mono', monospace;
  font-weight:700;
  font-size:13px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.ring-wrap{
  position:relative;
  width:220px;
  height:220px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.ring{
  position:absolute;
  inset:0;
  border-radius:50%;
  background:conic-gradient(var(--blue) 0%, rgba(10,13,22,0.08) 0%);
}
.main-button{
  position:relative;
  width:172px;
  height:172px;
  border-radius:50%;
  border:none;
  background:var(--ink);
  color:var(--off-white);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition: background 0.12s ease, transform 0.08s ease;
}
.main-button:active{ transform: scale(0.96); }
.main-button.tint-red{ background:var(--red); }
.main-button.tint-lime{ background:#3a8f2a; }
.main-button.flash-good{ background:var(--lime) !important; color:var(--ink); }
.main-button.flash-bad{ background:var(--red) !important; }

.toast{
  position:absolute;
  bottom:36px;
  left:50%;
  transform:translateX(-50%);
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.04em;
  background:var(--ink);
  color:var(--off-white);
  padding:8px 16px;
  border-radius:999px;
  opacity:0;
  transition:opacity 0.25s ease;
  white-space:nowrap;
}
.toast.show{ opacity:1; }

#screen-game{ position:relative; }

#end-title.win{ color:#3a8f2a; }