/* =========================================================
   main.css — OpenCompute Monitor 全球算力态势系统（本地化样式）
   ========================================================= */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  display:flex;flex-direction:column;overflow:hidden;
  font-family:"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:#050b18;color:#dbe7ff;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1200px 600px at 70% -10%,rgba(29,78,216,.18),transparent 60%),
    radial-gradient(900px 500px at 10% 110%,rgba(14,165,233,.10),transparent 60%),
    linear-gradient(rgba(80,130,210,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(80,130,210,.05) 1px,transparent 1px);
  background-size:auto,auto,42px 42px,42px 42px;
}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:rgba(110,160,230,.25);border-radius:3px}
.up{color:#4ade80}.down{color:#f87171}
.dim{color:#5f7bab;font-size:11px;font-weight:400}
.dim b{color:#7dd3fc}

/* ---------- 头部 ---------- */
.hd{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  padding:10px 18px;border-bottom:1px solid rgba(90,140,220,.18);
  background:linear-gradient(180deg,rgba(10,22,44,.92),rgba(8,16,34,.68));backdrop-filter:blur(6px)}
.hd-left{display:flex;align-items:center;gap:12px}
.logo{font-size:26px;color:#38bdf8;filter:drop-shadow(0 0 8px rgba(56,189,248,.8))}
.hd-title h1{font-size:17px;letter-spacing:.14em;color:#eaf3ff;text-shadow:0 0 14px rgba(56,189,248,.35)}
.hd-title span{font-size:10px;color:#5f7bab;letter-spacing:.22em}
.live{display:inline-flex;align-items:center;gap:6px;color:#4ade80;font-size:12px;letter-spacing:.1em}
.live i{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 8px #4ade80;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.35}}
.clock{font-size:12px;color:#8fb0e0;margin-left:16px}
.clock b{font-family:Consolas,'Courier New',monospace;color:#eaf3ff;margin-left:4px}

/* ---------- 布局 ---------- */
.layout{position:relative;z-index:1;flex:1;min-height:0;display:grid;
  grid-template-columns:330px 1fr 330px;gap:12px;padding:12px}
.col{min-height:0;display:flex;flex-direction:column;gap:12px}
.col.left,.col.right{overflow-y:auto;padding-right:2px}
.col.center{min-height:0}
.panel{background:rgba(10,22,44,.72);border:1px solid rgba(90,140,220,.20);
  border-radius:10px;padding:12px 14px;flex:none}
.panel h2{font-size:13px;letter-spacing:.08em;color:#9db8e8;font-weight:600;
  display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.feed-panel{flex:1;min-height:0;display:flex;flex-direction:column}

/* ---------- 总览 ---------- */
.big{display:flex;align-items:baseline;gap:8px}
.big b{font-family:Consolas,'Courier New',monospace;font-size:38px;color:#7dd3fc;
  text-shadow:0 0 18px rgba(56,189,248,.45);letter-spacing:1px}
.big span{font-size:12px;color:#8fb0e0}
.sub-row{display:flex;justify-content:space-between;font-size:12px;color:#8fb0e0;margin-top:6px}
.sub-row b{font-family:Consolas,monospace;color:#cfe6ff}
#spark{width:100%;height:64px;display:block}

/* ---------- 结构 / 图例 ---------- */
.stack-bar{display:flex;height:12px;border-radius:6px;overflow:hidden;margin:4px 0 10px}
.stack-bar i{display:block;height:100%}
.legend-col{display:flex;flex-direction:column;gap:6px;font-size:12px;color:#c6d9f8}
.lg-row{display:flex;align-items:center;gap:8px}
.lg-row i{width:10px;height:10px;border-radius:3px}
.lg-row b{margin-left:auto;font-family:Consolas,monospace;color:#7dd3fc}

/* ---------- 排行 / 分布 ---------- */
.rank-row{display:grid;grid-template-columns:86px 1fr 52px 44px;gap:8px;align-items:center;
  font-size:12px;padding:4px 0}
.rk-name{color:#c6d9f8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rk-bar{height:8px;background:rgba(60,100,170,.18);border-radius:4px;overflow:hidden}
.rk-bar i{display:block;height:100%;width:0;border-radius:4px;
  background:linear-gradient(90deg,#0ea5e9,#22d3ee);transition:width .8s cubic-bezier(.2,.7,.3,1)}
.rk-val{font-family:Consolas,monospace;color:#7dd3fc;text-align:right}
.rk-g{font-size:11px;text-align:right;font-style:normal}

/* ---------- 地图区 ---------- */
.map-head{display:flex;justify-content:space-between;align-items:center;padding:2px 2px 10px;flex:none}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{cursor:pointer;background:rgba(20,40,80,.6);border:1px solid rgba(110,160,230,.35);
  color:#bcd3f7;font-size:12px;padding:4px 12px;border-radius:999px;transition:.2s;font-family:inherit}
.chip.on{background:rgba(56,189,248,.16);border-color:#38bdf8;color:#e0f2fe;
  box-shadow:0 0 10px rgba(56,189,248,.25)}
.chip .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;vertical-align:-1px}
.map-tools{display:flex;align-items:center;gap:12px}
.heat-legend{display:flex;align-items:center;gap:6px;font-size:11px;color:#8fb0e0}
.heat-legend i{width:90px;height:8px;border-radius:4px;
  background:linear-gradient(90deg,#18345c,#1756a6,#0ea5e9,#fbbf24,#f87171)}
.map-wrap{position:relative;flex:1;min-height:0;border:1px solid rgba(90,140,220,.2);border-radius:12px;
  background:radial-gradient(1000px 500px at 50% 0%,rgba(20,50,100,.35),rgba(5,10,24,.6));overflow:hidden}
#map{position:absolute;inset:0;cursor:crosshair}
.map-note{position:absolute;left:12px;bottom:8px;z-index:3;font-size:10px;color:#54719f;letter-spacing:.05em;pointer-events:none}

/* ---------- 提示框 ---------- */
.tip{position:absolute;z-index:5;min-width:190px;background:rgba(8,18,38,.96);
  border:1px solid rgba(110,160,230,.4);border-radius:8px;padding:10px 12px;font-size:12px;
  box-shadow:0 8px 30px rgba(0,0,0,.5);pointer-events:none}
.tip.hidden{display:none}
.tip-h{display:flex;justify-content:space-between;font-size:13px;color:#eaf3ff;margin-bottom:6px}
.tip-h span{color:#8fb0e0;font-size:11px}
.tip-row{display:flex;justify-content:space-between;gap:14px;line-height:1.9;color:#9db8e8}
.tip-row b{color:#eaf3ff;font-weight:600}
.tip-row i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.tip-foot{margin-top:6px;font-size:10px;color:#5f7bab}

/* ---------- 动态流 ---------- */
#feed{flex:1;min-height:0;overflow-y:auto}
.evt{display:flex;gap:8px;align-items:flex-start;padding:7px 2px;
  border-bottom:1px dashed rgba(90,140,220,.15);font-size:12px;animation:slideIn .35s ease}
@keyframes slideIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.evt-time{font-family:Consolas,monospace;color:#5f7bab;flex:none}
.evt-tag{flex:none;border:1px solid;border-radius:4px;padding:0 5px;font-size:11px;line-height:18px}
.evt-txt{color:#c6d9f8;line-height:1.5}

/* ---------- 跑马灯 / 页脚 ---------- */
.ticker{position:relative;z-index:2;overflow:hidden;border-top:1px solid rgba(90,140,220,.18);
  background:rgba(8,16,34,.85);height:34px;display:flex;align-items:center;flex:none}
.ticker-track{display:inline-block;white-space:nowrap;font-size:12px;color:#9db8e8;
  animation:tick 46s linear infinite;will-change:transform}
.ticker-track b{color:#7dd3fc}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ft{position:relative;z-index:2;text-align:center;font-size:11px;color:#5f7bab;
  padding:6px;background:rgba(6,12,26,.9);flex:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  body{overflow:auto}
  .layout{grid-template-columns:1fr;height:auto}
  .col.left,.col.right{overflow:visible}
  .map-wrap{flex:none;height:430px}
  .hd{flex-wrap:wrap;gap:6px}
}