:root {
  --bg: #0a0e1a;
  --panel: rgba(16, 22, 38, 0.92);
  --panel-border: rgba(255, 255, 255, 0.08);
  --accent: #5bc8ff;
  --accent2: #6bff9e;
  --text: #eef2fb;
  --text-dim: #8d97b0;
  --danger: #ff5b5b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}

.screen { position: fixed; inset: 0; }
.hidden { display: none !important; }

/* ---------- Lobby ---------- */
#lobby {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(91,200,255,0.12), transparent 55%),
    radial-gradient(circle at 75% 75%, rgba(107,255,158,0.10), transparent 50%),
    var(--bg);
}

.lobby-card {
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 28px 26px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lobby-card h1 {
  margin: 0 0 2px;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.lobby-card h1 .dot { color: var(--accent); }

.tagline {
  margin: 0 0 20px;
  color: var(--text-dim);
  font-size: 14px;
}

#nameInput {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 15px;
  outline: none;
}
#nameInput:focus { border-color: var(--accent); }

.color-row {
  display: flex;
  gap: 8px;
  margin: 14px 0 18px;
  flex-wrap: wrap;
}
.swatch {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.swatch.selected { border-color: #fff; box-shadow: 0 0 0 2px rgba(255,255,255,0.25); }

.server-list-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.server-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.03);
  margin-bottom: 8px;
  cursor: pointer;
}
.server-row.selected { border-color: var(--accent); background: rgba(91,200,255,0.08); }
.server-row.full { opacity: 0.45; cursor: not-allowed; }
.server-row .srv-name { font-weight: 600; font-size: 14px; }
.server-row .srv-count { font-size: 12px; color: var(--text-dim); }
.server-row .srv-count.ok { color: var(--accent2); }

#playBtn {
  width: 100%;
  margin-top: 6px;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #05131f;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: opacity 0.15s;
}
#playBtn:disabled { opacity: 0.4; cursor: not-allowed; }

.lobby-error {
  margin-top: 10px;
  color: var(--danger);
  font-size: 13px;
  min-height: 16px;
}

/* ---------- Game ---------- */
#canvas { display: block; width: 100%; height: 100%; background: var(--bg); touch-action: none; }

#hud {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

#lengthReadout {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--text-dim);
  width: fit-content;
}
#lengthVal { color: var(--text); font-weight: 700; }

#minimap {
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: rgba(10,14,26,0.7);
}

#leaveBtn {
  pointer-events: auto;
  width: fit-content;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
#leaveBtn:hover { color: var(--danger); border-color: var(--danger); }

#leaderboard {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 190px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 10px 12px 12px;
}
.lb-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
#lbList {
  list-style: none;
  margin: 0; padding: 0;
  font-size: 12.5px;
}
#lbList li {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  padding: 2px 0;
}
#lbList li .lb-name { display: flex; align-items: center; gap: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#lbList li .lb-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
#lbList li.me { color: var(--accent); font-weight: 700; }
#lbList li .lb-bot { color: var(--text-dim); font-weight: 400; font-size: 10.5px; flex-shrink: 0; }

#killFeed {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  width: max-content;
  max-width: 80vw;
}
.kill-toast {
  background: rgba(16, 22, 38, 0.85);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12.5px;
  color: var(--text-dim);
  white-space: nowrap;
  animation: killToastFade 4s ease forwards;
}
@keyframes killToastFade {
  0% { opacity: 0; transform: translateY(-6px); }
  10% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

#boostBtn {
  position: absolute;
  bottom: 26px;
  right: 26px;
  width: 84px; height: 84px;
  border-radius: 50%;
  background: rgba(91,200,255,0.18);
  border: 2px solid rgba(91,200,255,0.5);
  color: var(--text);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.touch-only.show { display: flex; }

#deathOverlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5,8,16,0.72);
}
.death-card {
  width: min(360px, 88vw);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 26px;
  text-align: center;
}
.death-card h2 { margin: 0 0 10px; font-size: 24px; }
#deathStats { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
#deathStats b { color: var(--text); }
.death-card button {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  font-size: 15px;
  margin-top: 8px;
  cursor: pointer;
}
#respawnBtn { background: var(--accent); color: #05131f; }
.death-card button.secondary { background: rgba(255,255,255,0.06); color: var(--text); }

@media (pointer: coarse) {
  #boostBtn { display: flex; }
  #leaderboard { width: 150px; font-size: 11px; }
}