:root{
  --bg:#0a0d13; --panel:#121722; --panel2:#0e1320; --line:#1f2a3a; --line2:#2c3a50;
  --txt:#d7e0ee; --dim:#7d8ba1; --dim2:#56647a;
  --cyan:#22d3ee; --amber:#fbbf24; --green:#34d399; --red:#f87171; --purple:#a78bfa;
  --mono:ui-monospace,'JetBrains Mono','Cascadia Code',Consolas,Menlo,monospace;
  --sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);font-size:14px;overflow:hidden}
#root{height:100vh;display:grid;grid-template-rows:auto 1fr}
/* ===== header ===== */
header{display:flex;align-items:center;gap:18px;padding:10px 18px;background:linear-gradient(180deg,#101728,#0c1220);
  border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-size:20px;font-weight:800;letter-spacing:2px;color:#fff;white-space:nowrap}
.brand .sub{font-size:11px;color:var(--dim);font-weight:400;letter-spacing:1px;margin-left:8px}
.backlink{font-size:12px;color:var(--dim);text-decoration:none;margin-right:6px;transition:color .15s}
.backlink:hover{color:var(--cyan)}
.hud{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:12px;color:var(--dim);white-space:nowrap}
.chip b{color:var(--txt);font-family:var(--mono);font-weight:600}
.chip .u{color:var(--dim2);font-size:10px;margin-left:2px}
.hud-btns{display:flex;gap:8px}
button{font-family:var(--sans);font-size:13px;color:var(--txt);background:var(--panel2);border:1px solid var(--line2);
  border-radius:8px;padding:6px 12px;cursor:pointer;transition:all .15s}
button:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 10px rgba(34,211,238,.15)}
button:disabled{opacity:.4;cursor:not-allowed;border-color:var(--line)}
button:active:not(:disabled){transform:translateY(1px)}
button.primary{background:linear-gradient(135deg,#0e7490,#155e75);border-color:#0e7490;color:#e0f2fe}
button.primary:hover{border-color:var(--cyan)}
button.danger:hover{border-color:var(--red);color:var(--red);box-shadow:0 0 10px rgba(248,113,113,.15)}
/* ===== main layout ===== */
main{display:grid;grid-template-columns:330px 1fr;min-height:0}
aside{overflow-y:auto;border-right:1px solid var(--line);background:var(--panel2);padding:12px}
.content{overflow:hidden;display:flex;flex-direction:column;min-width:0}
/* ===== aside panels ===== */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:12px}
.panel h3{font-size:12px;color:var(--dim);letter-spacing:2px;margin-bottom:8px;display:flex;justify-content:space-between;align-items:baseline}
.big-num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--cyan);text-shadow:0 0 20px rgba(34,211,238,.35)}
.big-num .sign{font-size:13px;color:var(--dim)}
.row{display:flex;justify-content:space-between;align-items:center;padding:2px 0;font-size:13px}
.row .k{color:var(--dim)}
.row .v{font-family:var(--mono)}
.good{color:var(--green)} .bad{color:var(--red)} .warn{color:var(--amber)} .acc{color:var(--cyan)} .pur{color:var(--purple)}
.bar{height:8px;background:#0a0f1a;border-radius:5px;overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#0891b2,#22d3ee);border-radius:5px;transition:width .3s}
.bar i.warn{background:linear-gradient(90deg,#b45309,#fbbf24)}
.bar i.bad{background:linear-gradient(90deg,#b91c1c,#f87171)}
.bar i.green{background:linear-gradient(90deg,#059669,#34d399)}
/* ===== allocation sliders ===== */
.alloc{margin:6px 0}
.alloc label{display:flex;justify-content:space-between;font-size:12px;color:var(--dim);margin-bottom:2px}
.alloc input[type=range]{width:100%;height:4px;accent-color:var(--cyan)}
/* ===== action buttons ===== */
.action-btns{display:flex;gap:8px;margin-top:4px}
.action-btns button{flex:1;padding:10px 8px;font-size:14px}
/* ===== achievements ===== */
.achi{font-size:12px;padding:3px 0;color:var(--dim);display:flex;justify-content:space-between;gap:6px}
.achi.done{color:var(--green)}
.achi .r{color:var(--amber);font-size:11px}
/* ===== tabs ===== */
nav.tabs{display:flex;gap:4px;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--panel2);overflow-x:auto}
nav.tabs button{background:transparent;border:1px solid transparent;color:var(--dim);border-radius:8px 8px 0 0;padding:8px 16px;font-size:14px;white-space:nowrap}
nav.tabs button:hover{color:var(--txt)}
nav.tabs button.on{color:var(--cyan);border-color:var(--line);border-bottom-color:var(--panel2);background:var(--bg);font-weight:600}
.tab-body{flex:1;overflow-y:auto;padding:16px;background:var(--bg)}
/* ===== cards / lists ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;transition:border-color .2s}
.card:hover{border-color:var(--line2)}
.card h4{font-size:15px;margin-bottom:2px;display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.card .tag{font-size:11px;color:var(--dim2);font-weight:400}
.card .desc{font-size:12px;color:var(--dim);margin:4px 0 8px;line-height:1.5}
.spec{display:grid;grid-template-columns:1fr 1fr;gap:3px 10px;font-size:12px;margin-bottom:8px}
.spec .s{color:var(--dim)} .spec .n{font-family:var(--mono);text-align:right}
.card .foot{display:flex;justify-content:space-between;align-items:center;gap:8px;border-top:1px dashed var(--line);padding-top:8px}
.card.locked{opacity:.55;filter:grayscale(.4)}
.lock-note{font-size:11px;color:var(--red)}
.owned{color:var(--cyan);font-family:var(--mono);font-size:12px}
/* ===== model / training ===== */
.train-progress{margin-top:8px}
.train-eta{font-size:12px;color:var(--dim);font-family:var(--mono)}
/* ===== log ===== */
.log{font-family:var(--mono);font-size:12px;line-height:1.7}
.log .t{color:var(--dim2);margin-right:8px}
.log .good{color:var(--green)} .log .bad{color:var(--red)} .log .info{color:var(--cyan)} .log .warn{color:var(--amber)}
/* ===== toast ===== */
#toast{position:fixed;top:56px;right:16px;z-index:99;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:#0e7490;color:#e0f2fe;border:1px solid #22d3ee;border-radius:10px;padding:10px 16px;font-size:13px;
  box-shadow:0 8px 30px rgba(0,0,0,.5);animation:slidein .3s ease}
.toast.warn{background:#92400e;border-color:var(--amber);color:#fffbeb}
.toast.bad{background:#7f1d1d;border-color:var(--red);color:#fee2e2}
@keyframes slidein{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}
/* ===== modal ===== */
#modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:98;display:none;align-items:center;justify-content:center}
#modal-bg.show{display:flex}
.modal{background:var(--panel);border:1px solid var(--line2);border-radius:14px;padding:24px;max-width:520px;width:90%;max-height:80vh;overflow-y:auto}
.modal h3{color:var(--cyan);margin-bottom:10px}
.modal textarea{width:100%;height:120px;background:var(--panel2);color:var(--txt);border:1px solid var(--line2);border-radius:8px;padding:8px;font-family:var(--mono);font-size:12px}
/* ===== misc ===== */
.badge{display:inline-block;font-size:10px;padding:2px 6px;border-radius:20px;border:1px solid var(--line2);color:var(--dim);margin-left:6px}
.hint{font-size:11px;color:var(--dim2)}
.small-input{width:70px;background:var(--panel2);color:var(--txt);border:1px solid var(--line2);border-radius:6px;padding:4px 6px;font-family:var(--mono);text-align:right}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--line2);border-radius:4px}
::-webkit-scrollbar-track{background:transparent}
.event-bar{display:flex;gap:8px;flex-wrap:wrap;padding:8px 14px;background:#2a2007;border-bottom:1px solid #6b5410;font-size:12px;color:var(--amber)}
.event-bar .evt{background:#3a2c08;border:1px solid #8a6a18;border-radius:20px;padding:3px 10px;white-space:nowrap}
.event-bar .evt b{font-family:var(--mono)}
/* ===== KPI tiles (帝国总览) ===== */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:12px}
.kpi{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;padding:12px 14px;position:relative;overflow:hidden}
.kpi::before{content:'';position:absolute;left:0;top:0;right:0;height:3px;background:var(--cyan)}
.kpi.amber::before{background:var(--amber)} .kpi.green::before{background:var(--green)} .kpi.purple::before{background:var(--purple)} .kpi.red::before{background:var(--red)}
.kpi .lbl{font-size:11px;color:var(--dim);letter-spacing:1px}
.kpi .val{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--txt);margin-top:4px;letter-spacing:.5px}
.kpi .val.acc{color:var(--cyan)} .kpi .val.good{color:var(--green)} .kpi .val.bad{color:var(--red)} .kpi .val.warn{color:var(--amber)} .kpi .val.pur{color:var(--purple)}
.kpi .sub{font-size:11px;color:var(--dim2);margin-top:2px}
/* ===== empire layers ===== */
.emp-layer{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;position:relative;overflow:hidden}
.emp-layer::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--cyan)}
.emp-layer.amber::before{background:var(--amber)} .emp-layer.purple::before{background:var(--purple)} .emp-layer.green::before{background:var(--green)}
.emp-layer>h3{font-size:13px;color:var(--txt);letter-spacing:1px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.emp-layer>h3 .layer-badge{font-size:11px;padding:2px 8px;border-radius:20px;background:rgba(34,211,238,.12);color:var(--cyan);border:1px solid rgba(34,211,238,.3)}
.emp-layer.amber>h3 .layer-badge{background:rgba(251,191,36,.12);color:var(--amber);border-color:rgba(251,191,36,.3)}
.emp-layer.purple>h3 .layer-badge{background:rgba(167,139,250,.12);color:var(--purple);border-color:rgba(167,139,250,.3)}
.emp-layer.green>h3 .layer-badge{background:rgba(52,211,153,.12);color:var(--green);border-color:rgba(52,211,153,.3)}
.emp-card{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s}
.emp-card:hover{transform:translateY(-2px);border-color:var(--line2);box-shadow:0 6px 20px rgba(0,0,0,.3)}
.emp-card h4{font-size:14px;margin-bottom:4px;display:flex;justify-content:space-between;align-items:baseline;gap:6px}
.emp-card .cnt{font-family:var(--mono);font-size:11px;color:var(--cyan);border:1px solid var(--line2);border-radius:20px;padding:1px 8px;white-space:nowrap}
.emp-card .bignum{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--txt);margin:4px 0 6px}
.emp-card .toplist{font-size:12px}
.emp-card .toplist .row{padding:1px 0}
.emp-card .more{font-size:11px;color:var(--dim2);margin-top:4px}
.cta-btn{display:inline-flex;align-items:center;gap:6px;background:var(--panel2);border:1px dashed var(--line2);border-radius:10px;padding:10px 14px;color:var(--cyan);font-size:13px;cursor:pointer;transition:all .15s;font-family:var(--sans)}
.cta-btn:hover{border-color:var(--cyan);background:rgba(34,211,238,.06)}
.mbadge{display:inline-block;font-size:10px;padding:2px 7px;border-radius:20px;font-weight:600}
.mbadge.on{background:rgba(52,211,153,.15);color:var(--green);border:1px solid rgba(52,211,153,.4)}
.mbadge.off{background:rgba(125,139,161,.1);color:var(--dim);border:1px solid var(--line2)}
.opp-section{background:linear-gradient(180deg,#15131f,#0e0d18);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.opp-section>h3{font-size:13px;color:var(--amber);letter-spacing:1px;margin-bottom:10px}
@keyframes buyflash{0%{box-shadow:0 0 0 2px var(--green),0 0 20px rgba(52,211,153,.5)}100%{box-shadow:0 0 0 0 transparent}}
.flash{animation:buyflash .6s ease}
@keyframes numflash{0%{color:var(--green);text-shadow:0 0 12px rgba(52,211,153,.6)}100%{}}
.numflash{animation:numflash .7s ease}
.task{display:flex;align-items:center;gap:8px;font-size:12px;padding:3px 0;color:var(--dim)}
.task.done{color:var(--green)}
.task .box{width:14px;height:14px;border-radius:4px;border:1px solid var(--line2);display:inline-flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0}
.task.done .box{background:var(--green);border-color:var(--green);color:#0a0d13}
.repair-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px;align-items:center}
@media (max-width:920px){
  body{overflow:auto}
  #root{height:auto;min-height:100vh}
  header{flex-direction:column;align-items:stretch;gap:8px}
  .brand{font-size:17px}
  .hud{order:3}
  main{grid-template-columns:1fr}
  aside{max-height:none;border-right:none;border-bottom:1px solid var(--line)}
  .content{min-height:70vh}
}