:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel2: #1c232c;
  --line: #2a323d;
  --fg: #e6edf3;
  --dim: #8b949e;
  --human: #58a6ff;
  --agent: #d2a8ff;
  --shared: #56d364;
  --warn: #f0883e;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg);
  font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }

/* ---------- 顶栏 ---------- */
.top { display: flex; align-items: center; gap: 20px; padding: 12px 20px;
  border-bottom: 1px solid var(--line); background: #12161d; flex-wrap: wrap; }
.brand { display: flex; gap: 12px; align-items: center; }
.logo { font-size: 26px; color: var(--human); letter-spacing: -4px; }
.top h1 { font-size: 16px; margin: 0; letter-spacing: .5px; }
.sub { margin: 2px 0 0; font-size: 12px; color: var(--dim); }
.meta { font-family: var(--mono); font-size: 11px; color: var(--dim); display: flex; gap: 14px; flex-wrap: wrap; }
.meta b { color: var(--fg); font-weight: 600; }
.actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
input, select, button { font: inherit; color: var(--fg); background: var(--panel2);
  border: 1px solid var(--line); border-radius: 7px; padding: 6px 10px; }
button { cursor: pointer; }
button:hover { border-color: #4a5666; background: #232c37; }
button.primary { background: #1f6feb; border-color: #1f6feb; color: #fff; }
button.primary:hover { background: #2f81f7; }
.chk { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--dim); }

/* ---------- 三栏 ---------- */
main { display: grid; grid-template-columns: 1fr 300px 1fr; gap: 14px; padding: 14px 20px 40px;
  align-items: start; max-width: 1500px; margin: 0 auto; }
@media (max-width: 1100px) { main { grid-template-columns: 1fr; } .shared { order: -1; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.panel.shared { background: #141a1a; border-color: #1f3a2a; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-head h2 { font-size: 13px; margin: 0; letter-spacing: 1px; text-transform: uppercase; color: var(--dim); }
#humanPanel .panel-head h2 { color: var(--human); }
#agentPanel .panel-head h2 { color: var(--agent); }
.shared .panel-head h2 { color: var(--shared); }
.badge { font-family: var(--mono); font-size: 11px; padding: 2px 8px; border-radius: 20px;
  background: #22303f; color: var(--dim); }
.badge.playing { background: #12351f; color: var(--shared); }
.badge.won { background: #3a2a00; color: #ffd479; }
.badge.lost { background: #3a1518; color: #ff7b72; }

/* ---------- 棋盘 ---------- */
.board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; background: #0b0e13;
  padding: 8px; border-radius: 10px; aspect-ratio: 1; }
.cell { border-radius: 8px; background: #191f27; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: clamp(14px, 2.4vw, 26px); color: #0e1116; transition: background .18s; }
.cell.pop { animation: pop .18s ease-out; }
@keyframes pop { from { transform: scale(.86); } to { transform: scale(1); } }
.cell.spawn { box-shadow: inset 0 0 0 2px rgba(255,255,255,.55); }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 10px 0; }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; }
.stat .k { font-size: 10px; color: var(--dim); letter-spacing: .5px; }
.stat .v { font-family: var(--mono); font-size: 15px; font-weight: 700; }
.dpad { display: none; grid-template-columns: repeat(3, 44px); grid-template-rows: repeat(2, 40px);
  gap: 6px; justify-content: center; margin: 8px 0; }
.dpad [data-dir="up"] { grid-column: 2; }
.dpad [data-dir="left"] { grid-column: 1; grid-row: 2; }
.dpad [data-dir="down"] { grid-column: 2; grid-row: 2; }
.dpad [data-dir="right"] { grid-column: 3; grid-row: 2; }
@media (pointer: coarse) { .dpad { display: grid; } }
.note { display: flex; gap: 6px; margin: 8px 0; }
.note input { flex: 1; min-width: 0; font-size: 12px; }

/* ---------- 过程流 ---------- */
.trace-head { display: flex; justify-content: space-between; font-size: 11px; color: var(--dim);
  border-top: 1px solid var(--line); padding-top: 8px; margin-top: 4px; letter-spacing: .5px; }
.tiny { font-family: var(--mono); }
.process { max-height: 320px; overflow: auto; font-family: var(--mono); font-size: 11.5px; }
.process.big { max-height: 460px; }
.ev { border-left: 2px solid var(--line); padding: 3px 0 3px 8px; margin: 3px 0; color: var(--dim); }
.ev .tool { color: var(--fg); font-weight: 600; }
.ev .args { color: #79c0ff; }
.ev .sum { color: var(--dim); word-break: break-all; }
.ev.ms { border-left-color: var(--warn); }
.ev.note { border-left-color: var(--agent); }
.ev.note .sum { color: #e6c9ff; font-style: italic; }
.ev.move { border-left-color: var(--human); }
.ev.move .sum { color: var(--fg); }
.ev.locked { border-left-color: var(--warn); background: #241a10; }
.ev.locked .sum { color: var(--warn); }
.ev.err { border-left-color: #f85149; }
.ev .cand { display: inline-block; margin-right: 6px; padding: 0 5px; border-radius: 4px; background: #1d2733; }
.ev .cand.best { background: #1f6feb; color: #fff; }

/* ---------- 中栏 ---------- */
.gauge { background: #101614; border: 1px solid #1f3a2a; border-radius: 9px; padding: 10px; margin-bottom: 10px; }
.gauge-label { font-size: 10px; color: var(--shared); letter-spacing: 1px; }
.mini-title { font-size: 10.5px; color: var(--dim); letter-spacing: .6px; margin: 10px 0 5px; }
.gauge-val { font-family: var(--mono); font-size: 17px; font-weight: 700; margin: 2px 0 4px; }
.gauge-note { font-size: 11px; color: var(--dim); line-height: 1.45; }
.gauge.cmp { border-color: #2b3550; background: #10131a; }
.gauge.cmp .gauge-label { color: #8ea2d8; }
.forecast, .stream { background: #101614; border: 1px solid #1f3a2a; border-radius: 9px; padding: 8px 10px; margin-bottom: 10px; }
.fc-row { display: flex; gap: 6px; }
.fc { flex: 1; background: #18211c; border: 1px solid #24392c; border-radius: 7px; padding: 6px 4px;
  text-align: center; font-family: var(--mono); font-size: 12px; }
.fc .v { font-weight: 700; }
.fc .c { color: var(--dim); font-size: 10px; }
table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 11.5px; }
th { text-align: left; color: var(--dim); font-weight: 500; font-size: 10px; padding: 2px 0;
  border-bottom: 1px solid #1f3a2a; }
td { padding: 2px 0; border-bottom: 1px solid #16241c; }
td.diff { color: var(--warn); }
.join { font-family: var(--mono); font-size: 10.5px; color: var(--dim); background: var(--panel2);
  border: 1px dashed var(--line); border-radius: 8px; padding: 8px; line-height: 1.6; word-break: break-all; }
.join b { color: var(--shared); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #2a323d; border-radius: 4px; }