:root{
  --bg:#0e1117;
  --bg-2:#161b22;
  --bg-3:#1c2330;
  --panel:#151a22;
  --border:#262d3a;
  --border-soft:#1f2630;
  --text:#e6edf3;
  --text-dim:#8b97a7;
  --text-mute:#5b6675;
  --accent:#7aa2f7;
  --accent-2:#bb9af7;
  --good:#9ece6a;
  --warn:#e0af68;
  --bad:#f7768e;

  --c-product:#7aa2f7;
  --c-company:#e0af68;
  --c-person:#9ece6a;
  --c-vc:#bb9af7;

  --shadow:0 8px 30px rgba(0,0,0,.45);
  --radius:12px;
}

*{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(1200px 800px at 70% -10%,#182030 0%,var(--bg) 60%);
  color:var(--text);
  overflow:hidden;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
#app{display:flex;flex-direction:column;height:100vh;}

/* Top bar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 18px;
  background:linear-gradient(180deg,rgba(28,35,48,.9),rgba(21,26,34,.9));
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{font-size:26px;color:var(--accent);text-shadow:0 0 18px rgba(122,162,247,.5);}
.brand-text h1{font-size:16px;margin:0;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.brand-sub{margin:2px 0 0;font-size:12px;color:var(--text-dim);}
.search-area{display:flex;align-items:center;gap:10px;}
.search-box{display:flex;align-items:center;gap:6px;background:var(--bg-2);border:1px solid var(--border);
  border-radius:999px;padding:4px 6px 4px 12px;min-width:320px;}
.search-box .ico{color:var(--text-mute);font-size:15px;}
.search-box input{flex:1;background:transparent;border:0;outline:0;color:var(--text);font-size:13px;padding:6px 4px;}
.search-box input::placeholder{color:var(--text-mute);}

.mini-btn{
  background:var(--bg-3);color:var(--text);border:1px solid var(--border);
  border-radius:8px;padding:6px 12px;font-size:12px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.mini-btn:hover{border-color:var(--accent);color:#fff;}
.mini-btn.primary{background:linear-gradient(180deg,#2a4d8f,#1f3a6e);border-color:#3a5fa0;color:#eaf1ff;}
.mini-btn.primary:hover{background:linear-gradient(180deg,#335a9f,#264a85);}

/* Filter bar */
.filterbar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:8px 18px;background:var(--bg-2);border-bottom:1px solid var(--border-soft);
}
.filter-label{font-size:12px;color:var(--text-dim);}
.type-filters{display:flex;gap:8px;flex-wrap:wrap;}
.type-chip{
  display:inline-flex;align-items:center;gap:7px;cursor:pointer;user-select:none;
  padding:5px 11px;border-radius:999px;border:1px solid var(--border);background:var(--bg-3);
  font-size:12px;transition:.15s;
}
.type-chip .dot{width:9px;height:9px;border-radius:50%;box-shadow:0 0 6px currentColor;}
.type-chip.off{opacity:.4;}
.type-chip .cnt{color:var(--text-mute);font-variant-numeric:tabular-nums;}

/* Layout */
.layout{flex:1;display:flex;min-height:0;}

.sidebar{
  width:330px;flex-shrink:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px;
  background:rgba(15,19,26,.6);border-right:1px solid var(--border);
}
.sidebar::-webkit-scrollbar{width:8px;}
.sidebar::-webkit-scrollbar-thumb{background:#2a3242;border-radius:8px;}
.sidebar::-webkit-scrollbar-track{background:transparent;}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px;}
.card-title{font-size:13px;margin:0 0 10px;letter-spacing:.4px;color:#cdd6e4;display:flex;align-items:center;gap:8px;}
.card-title::before{content:"";width:3px;height:13px;background:var(--accent);border-radius:2px;}
.card-hint{font-size:11.5px;color:var(--text-mute);margin:0 0 10px;line-height:1.5;}

/* Path form */
.path-form{display:flex;flex-direction:column;gap:8px;}
.path-form label{display:flex;flex-direction:column;gap:4px;font-size:11.5px;color:var(--text-dim);}
.path-form input{
  background:var(--bg-2);border:1px solid var(--border);border-radius:8px;padding:8px 10px;
  color:var(--text);font-size:13px;outline:0;font-family:inherit;
}
.path-form input:focus{border-color:var(--accent);}
.path-actions{display:flex;gap:8px;margin-top:2px;}
.path-result{
  margin-top:12px;font-size:12px;min-height:20px;border-radius:8px;
  display:flex;flex-direction:column;gap:4px;
}
.path-result .pr-status{font-weight:600;font-size:12px;}
.path-result .pr-chain{display:flex;flex-wrap:wrap;align-items:center;gap:4px;}
.path-result .pr-node{
  background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:3px 8px;
  cursor:pointer;font-size:11.5px;color:var(--text);transition:.15s;
}
.path-result .pr-node:hover{border-color:var(--accent);color:#fff;}
.path-result .pr-arrow{color:var(--text-mute);font-size:11px;}
.path-result .pr-note{color:var(--text-mute);font-size:11.5px;line-height:1.5;}
.pr-ok{color:var(--good);} .pr-bad{color:var(--bad);} .pr-warn{color:var(--warn);} .pr-info{color:var(--accent);}

/* Stats lists */
.stats-list{display:flex;flex-direction:column;gap:5px;}
.stats-row{
  display:flex;align-items:center;gap:9px;padding:6px 8px;border-radius:8px;cursor:pointer;
  border:1px solid transparent;transition:.12s;font-size:12px;
}
.stats-row:hover{background:var(--bg-2);border-color:var(--border);}
.stats-row .rank{width:18px;text-align:center;color:var(--text-mute);font-variant-numeric:tabular-nums;font-size:11px;}
.stats-row .dot{width:9px;height:9px;border-radius:50%;flex-shrink:0;}
.stats-row .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.stats-row .val{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600;}
.stats-row .bar{height:4px;border-radius:2px;background:var(--accent);opacity:.5;margin-top:3px;}
.stats-row .bar-wrap{flex:0 0 46px;height:4px;background:var(--bg-3);border-radius:2px;overflow:hidden;}
.stats-row .bar-wrap i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:2px;}

/* Stage / canvas */
.stage{flex:1;position:relative;min-width:0;overflow:hidden;background:#0b0f15;}
#graph-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;}
#graph-canvas.grabbing{cursor:grabbing;}
#graph-canvas.node{cursor:pointer;}

.loader{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:rgba(11,15,21,.82);z-index:5;color:var(--text-dim);font-size:13px;transition:opacity .4s;
}
.loader.hidden{opacity:0;pointer-events:none;}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid #2a3242;border-top-color:var(--accent);animation:spin .9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

.legend{
  position:absolute;left:14px;bottom:14px;background:rgba(21,26,34,.85);border:1px solid var(--border);
  border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:6px;font-size:11.5px;
  backdrop-filter:blur(6px);z-index:3;
}
.legend .lg-row{display:flex;align-items:center;gap:8px;color:var(--text-dim);}
.legend .lg-dot{width:11px;height:11px;border-radius:50%;box-shadow:0 0 8px currentColor;}

.zoom-ctrl{position:absolute;right:14px;bottom:14px;display:flex;flex-direction:column;gap:6px;z-index:3;}
.zoom-ctrl button{
  width:34px;height:34px;border-radius:8px;background:rgba(21,26,34,.85);border:1px solid var(--border);
  color:var(--text);font-size:16px;cursor:pointer;backdrop-filter:blur(6px);transition:.15s;
}
.zoom-ctrl button:hover{border-color:var(--accent);color:#fff;}

.hint-bar{
  position:absolute;left:50%;top:12px;transform:translateX(-50%);
  background:rgba(21,26,34,.8);border:1px solid var(--border-soft);border-radius:999px;
  padding:5px 14px;font-size:11px;color:var(--text-mute);z-index:2;backdrop-filter:blur(6px);
  white-space:nowrap;max-width:90%;overflow:hidden;text-overflow:ellipsis;
}

/* Detail panel */
.detail{
  width:320px;flex-shrink:0;overflow-y:auto;padding:16px;background:rgba(15,19,26,.7);
  border-left:1px solid var(--border);transform:translateX(0);transition:margin .25s ease, opacity .25s;
}
.detail[data-open="false"]{margin-right:-320px;opacity:0;pointer-events:none;}
.detail::-webkit-scrollbar{width:8px;}
.detail::-webkit-scrollbar-thumb{background:#2a3242;border-radius:8px;}
.detail-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.detail-head h2{font-size:17px;margin:0;font-weight:700;line-height:1.25;}
.detail-type{display:inline-block;margin-top:8px;font-size:11px;padding:3px 10px;border-radius:999px;font-weight:600;}
.detail-desc{font-size:12.5px;line-height:1.6;color:var(--text-dim);margin:12px 0;}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0;}
.detail-grid>div{background:var(--bg-2);border:1px solid var(--border-soft);border-radius:8px;padding:8px 10px;}
.detail-grid span{font-size:10.5px;color:var(--text-mute);display:block;}
.detail-grid b{font-size:14px;color:var(--text);}
.mono{font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:12px;word-break:break-all;}
.detail-aliases{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:6px;}
.detail-aliases .al{font-size:11px;background:var(--bg-2);border:1px solid var(--border-soft);border-radius:6px;padding:2px 8px;color:var(--text-dim);}
.detail-sub{font-size:12px;color:var(--text-dim);margin:14px 0 8px;font-weight:600;}
.detail-relations{display:flex;flex-direction:column;gap:6px;}
.rel-row{
  display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:8px;cursor:pointer;
  background:var(--bg-2);border:1px solid var(--border-soft);transition:.12s;font-size:12px;
}
.rel-row:hover{border-color:var(--accent);}
.rel-row .rt{font-size:10px;padding:2px 6px;border-radius:5px;background:var(--bg-3);color:var(--accent);white-space:nowrap;}
.rel-row .rn{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rel-row .dir{color:var(--text-mute);font-size:11px;}

/* type colors */
.t-product{color:var(--c-product);} .t-company{color:var(--c-company);} .t-person{color:var(--c-person);} .t-vc_firm{color:var(--c-vc);}
.bg-product{background:var(--c-product);} .bg-company{background:var(--c-company);} .bg-person{background:var(--c-person);} .bg-vc_firm{background:var(--c-vc);}
.badge-product{background:rgba(122,162,247,.15);color:var(--c-product);}
.badge-company{background:rgba(224,175,104,.15);color:var(--c-company);}
.badge-person{background:rgba(158,206,106,.15);color:var(--c-person);}
.badge-vc_firm{background:rgba(187,154,247,.15);color:var(--c-vc);}

@media (max-width:1100px){
  .sidebar{width:280px;} .detail{width:280px;}
  .search-box{min-width:200px;}
}