:root{--bg:#07111f;--panel:#0d1b2d;--panel2:#11243b;--text:#e8f0fa;--muted:#92a8bf;--line:#35506c;--accent:#52b7ff;--related:#ffcc66;--parent:#70d6a7}
*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
body{display:grid;grid-template-rows:auto 1fr;overflow:hidden}
header{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px 12px;background:var(--panel);border-bottom:1px solid var(--line)}
h1{font-size:16px;margin:0 8px 0 0}
input,select,button,label.file{font:inherit;border:1px solid var(--line);border-radius:9px;background:var(--panel2);color:var(--text);padding:8px 10px}
button,label.file{cursor:pointer}input[type=file]{display:none}input[type=search]{min-width:220px;flex:1}
.multi-filter{position:relative}
.multi-filter-button{min-width:170px;text-align:left;white-space:nowrap}
.multi-filter-button::after{content:"▾";float:right;margin-left:10px;color:var(--muted)}
.multi-filter-menu{position:absolute;z-index:30;top:calc(100% + 6px);left:0;width:260px;max-height:320px;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.multi-filter-actions{display:flex;gap:6px;margin-bottom:8px}
.multi-filter-actions button{flex:1;padding:6px 8px;font-size:12px}
.multi-filter-options{display:grid;gap:4px}
.multi-option{display:flex;align-items:center;gap:8px;padding:6px 7px;border-radius:7px;cursor:pointer}
.multi-option:hover{background:var(--panel2)}
.multi-option input{margin:0}
.multi-option span{font-size:13px;overflow-wrap:anywhere}
main{min-height:0;display:grid;grid-template-columns:1fr 340px}
#stage{position:relative;min-width:0;min-height:0}
canvas{display:block;width:100%;height:100%}
#status{position:absolute;left:12px;bottom:12px;background:rgba(13,27,45,.92);border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:var(--muted);font-size:12px;max-width:620px}
aside{overflow:auto;border-left:1px solid var(--line);background:var(--panel);padding:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:14px}
.stat{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:8px;text-align:center}.stat b{display:block;font-size:20px}.stat span{font-size:11px;color:var(--muted)}
dl{display:grid;grid-template-columns:105px 1fr;gap:7px 8px;font-size:13px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}
.desc{white-space:pre-wrap;background:var(--panel2);padding:10px;border-radius:9px;font-size:12px;line-height:1.4}
.issue-link{display:inline-flex;align-items:center;gap:6px;margin:4px 0 12px;padding:8px 11px;border-radius:9px;background:var(--accent);color:#06111d;text-decoration:none;font-weight:600;font-size:13px}
.issue-link:hover{filter:brightness(1.08)}
.issue-link:focus{outline:2px solid #fff;outline-offset:2px}
.legend{font-size:12px;color:var(--muted);margin:8px 0 14px}.legend span{margin-right:10px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:4px}
@media(max-width:820px){main{grid-template-columns:1fr}aside{display:none}}