:root{
  --bg:#14161a; --panel:#1c1f25; --line:#2b3039; --ink:#e9e6e1; --muted:#9aa1ab;
  --accent:#c9a57c; --accent-ink:#2b2118;
  box-sizing:border-box;
}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;height:100vh;display:flex;flex-direction:column}
header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
h1{font-size:16px;margin:0;font-weight:600;letter-spacing:.2px}
.head-right{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
label{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:center}
select,input,textarea,button{font:inherit;color:var(--ink);background:#23272e;border:1px solid var(--line);border-radius:8px;padding:7px 10px}
select{min-width:240px}
button{cursor:pointer}
button:hover{border-color:var(--accent)}
.meta{font-size:12px;color:var(--muted)}
main{flex:1;display:flex;min-height:0}
#viewport{position:relative;flex:1;min-width:0}
canvas{display:block;width:100%;height:100%}
#status{position:absolute;inset:auto 0 50% 0;text-align:center;color:var(--muted);pointer-events:none}
#tools{position:absolute;left:12px;bottom:12px;display:flex;gap:8px;flex-wrap:wrap;background:rgba(20,22,26,.75);padding:8px;border-radius:10px;border:1px solid var(--line)}
#tools button{padding:5px 10px;font-size:13px}
.chk{color:var(--ink);font-size:13px}
#panel{width:360px;max-width:42vw;border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;min-height:0}
#panel h2{font-size:14px;margin:0;padding:12px 14px;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center}
.pill{background:#23272e;border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:12px;color:var(--muted)}
#comments{flex:1;overflow:auto;padding:10px 12px;display:flex;flex-direction:column;gap:10px}
.c{border:1px solid var(--line);border-radius:10px;padding:10px;background:#1a1d23}
.c.done{opacity:.5}
.c .top{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);margin-bottom:6px}
.c .txt{white-space:pre-wrap}
.c .actions{display:flex;gap:10px;margin-top:8px;font-size:12px}
.c .actions a{color:var(--accent);cursor:pointer;text-decoration:none}
form{border-top:1px solid var(--line);padding:12px;display:flex;flex-direction:column;gap:8px}
form button{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
.empty{color:var(--muted);font-size:13px}
@media (max-width:820px){
  main{flex-direction:column}
  #panel{width:auto;max-width:none;height:45vh;border-left:none;border-top:1px solid var(--line)}
}

#hidden-box{position:absolute;right:12px;top:12px;width:230px;max-height:45%;overflow:auto;background:rgba(20,22,26,.9);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:13px}
.hb-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.hb-top strong{font-weight:600;font-size:13px}
#showall{margin-left:auto;color:var(--accent);cursor:pointer}
#hlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
#hlist li{display:flex;gap:8px;align-items:center;justify-content:space-between;color:var(--muted)}
#hlist a{color:var(--accent);cursor:pointer}
.hint{font-size:11px;color:var(--muted);align-self:center;max-width:230px}

.attach-row{display:flex;gap:8px;align-items:center}
.attach-row button{background:#23272e;color:var(--ink);border-color:var(--line);font-weight:400;padding:5px 10px;font-size:13px}
#attach-list,.c .imgs{display:flex;flex-wrap:wrap;gap:6px}
#attach-list:empty{display:none}
.thumb{position:relative;width:64px;height:64px;border-radius:6px;overflow:hidden;border:1px solid var(--line);background:#23272e}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb.busy img{opacity:.4}
.thumb .x{position:absolute;top:2px;right:2px;width:18px;height:18px;line-height:16px;text-align:center;border-radius:50%;background:rgba(0,0,0,.7);color:#fff;cursor:pointer;font-size:13px}
.c .imgs{margin-top:8px}
.c .imgs a{display:block;width:84px;height:84px;border-radius:6px;overflow:hidden;border:1px solid var(--line)}
.c .imgs img{width:100%;height:100%;object-fit:cover;display:block}
form.dragover{outline:2px dashed var(--accent);outline-offset:-6px}