:root{
  --bg:#0b1220;
  --bg2:#111c2f;
  --card:#152238;
  --line:#20304d;
  --text:#dbe6f6;
  --dim:#8ba0bd;
  --blue:#4f9dff;
  --blue-soft:#1f3b63;
  --red:#ff6b6b;
  --green:#4fd18b;
  --gold:#ffc861;
  --purple:#b78bff;
}

*{box-sizing:border-box}

html,body{margin:0;padding:0}

body{
  background:radial-gradient(1200px 600px at 50% -10%, #16263f 0%, var(--bg) 60%);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:15px;
  line-height:1.65;
  min-height:100vh;
  padding:18px 14px 34px;
}

header{max-width:1080px;margin:0 auto 16px;text-align:center}
header h1{
  margin:0;
  font-size:26px;
  letter-spacing:2px;
  color:#fff;
  text-shadow:0 0 24px rgba(79,157,255,.45);
}
header .sub{margin:6px 0 0;color:var(--dim);font-size:13px}

main{
  max-width:1080px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:16px;
  align-items:start;
}

.board{
  background:var(--bg2);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  display:flex;
  flex-direction:column;
  min-height:520px;
}

.hud{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  padding-bottom:10px;
  border-bottom:1px dashed var(--line);
  margin-bottom:10px;
}
.hud-item{
  flex:1 1 90px;
  background:#0f1a2b;
  border:1px solid var(--line);
  border-radius:9px;
  padding:6px 8px;
  text-align:center;
}
.hud-item .label{display:block;font-size:11px;color:var(--dim);letter-spacing:1px}
.hud-item strong{font-size:17px;color:var(--blue)}

.log{
  flex:1;
  overflow-y:auto;
  max-height:52vh;
  min-height:300px;
  padding:2px 4px 4px 2px;
  scroll-behavior:smooth;
}
.log::-webkit-scrollbar{width:6px}
.log::-webkit-scrollbar-thumb{background:var(--blue-soft);border-radius:3px}

.line{
  margin:0 0 6px;
  padding-left:10px;
  border-left:2px solid transparent;
  font-size:14px;
  animation:pop .22s ease-out;
}
@keyframes pop{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.line.sys{color:var(--dim);border-left-color:var(--line)}
.line.zone{color:#ffd18c;border-left-color:#7a5a24;background:rgba(255,200,97,.06);padding:4px 8px;border-radius:6px}
.line.you{color:#cfe4ff;border-left-color:var(--blue)}
.line.good{color:var(--green);border-left-color:var(--green)}
.line.bad{color:var(--red);border-left-color:var(--red)}
.line.kill{color:#ffb3b3;border-left-color:#7c3232;background:rgba(255,107,107,.07);padding:4px 8px;border-radius:6px}
.line.round{
  color:#a9c4e6;
  border:none;
  border-top:1px solid var(--line);
  margin-top:12px;
  padding:8px 0 0;
  font-size:12px;
  letter-spacing:2px;
}

.actions{
  margin-top:10px;
  padding-top:10px;
  border-top:1px dashed var(--line);
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
}

.btn{
  appearance:none;
  border:1px solid var(--line);
  background:#16243a;
  color:var(--text);
  border-radius:10px;
  padding:10px 6px;
  font-size:14px;
  font-family:inherit;
  cursor:pointer;
  transition:.15s;
  line-height:1.3;
}
.btn small{display:block;font-size:11px;color:var(--dim);font-weight:400;margin-top:2px}
.btn:hover:not(:disabled){background:#1d3151;border-color:var(--blue);transform:translateY(-1px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:linear-gradient(180deg,#2f6fbe,#245a9e);border-color:#4f9dff;color:#fff}
.btn.ghost{background:transparent}

aside{display:flex;flex-direction:column;gap:16px}

.card{
  background:var(--bg2);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px 14px;
}
.card h2{
  margin:0 0 10px;
  font-size:14px;
  font-weight:600;
  letter-spacing:1px;
  color:#a9c4e6;
}

.hp-row{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.hp-label{font-size:12px;color:var(--dim);flex:0 0 auto}
.bar{flex:1;height:10px;background:#0d1727;border-radius:5px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;width:100%;background:linear-gradient(90deg,#3ecf8e,#4f9dff);transition:width .3s}
.hp-text{font-size:12px;color:var(--dim);flex:0 0 auto;font-variant-numeric:tabular-nums}

.stats{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;margin:0}
.stats div{display:flex;justify-content:space-between;background:#0f1a2b;border-radius:8px;padding:5px 8px}
.stats dt{margin:0;color:var(--dim);font-size:12px}
.stats dd{margin:0;font-size:13px;color:var(--blue);font-variant-numeric:tabular-nums}

.alive-list{
  list-style:none;
  margin:0;
  padding:0;
  max-height:300px;
  overflow-y:auto;
  font-size:13px;
}
.alive-list li{
  display:flex;
  justify-content:space-between;
  gap:8px;
  padding:4px 6px;
  border-radius:6px;
  font-variant-numeric:tabular-nums;
}
.alive-list li:nth-child(odd){background:rgba(255,255,255,.03)}
.alive-list li .n{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.alive-list li .t{color:var(--dim);font-size:11px;flex:0 0 auto}
.alive-list li.dead{opacity:.32;text-decoration:line-through}
.alive-list li.self .n{color:var(--blue);font-weight:600}
.alive-list li.low .t{color:var(--red)}

.target-list{display:flex;flex-direction:column;gap:6px;grid-column:1 / -1}
.target-list .btn{display:flex;justify-content:space-between;align-items:center;text-align:left}

footer{
  max-width:1080px;
  margin:18px auto 0;
  text-align:center;
  color:var(--dim);
  font-size:12px;
}

.overlay{
  position:fixed;
  inset:0;
  background:rgba(5,9,16,.82);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  z-index:50;
  backdrop-filter:blur(3px);
}
.overlay.hidden{display:none}
.overlay-card{
  background:var(--card);
  border:1px solid var(--blue-soft);
  border-radius:16px;
  padding:22px 20px;
  max-width:340px;
  width:100%;
  text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.overlay-card h2{margin:0 0 8px;font-size:22px;color:#fff}
.overlay-card .rank{margin:0 0 6px;font-size:15px;color:var(--gold)}
.overlay-card .detail{margin:0 0 18px;font-size:13px;color:var(--dim);line-height:1.7}

@media (max-width:820px){
  main{grid-template-columns:1fr}
  .log{max-height:46vh}
  header h1{font-size:22px}
  .actions{grid-template-columns:repeat(2,minmax(0,1fr))}
}