:root{
  --page:#d7d3c8; --page-ink:#2a2823; --page-dim:#6d695f;
  --dos-gray:#aaaaaa; --dos-blue:#0000aa; --dos-red:#aa0000; --dos-white:#ffffff; --dos-black:#000000; --dos-brown:#aa5500;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--page:#17181c; --page-ink:#d9d9d4; --page-dim:#8a8a84;}}
:root[data-theme="dark"]{--page:#17181c; --page-ink:#d9d9d4; --page-dim:#8a8a84;}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--page);color:var(--page-ink);font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}
.wrap{max-width:760px;margin:0 auto;padding:16px}
header.top{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;margin-bottom:12px}
header.top h1{font-size:15px;margin:0;font-weight:600;letter-spacing:.01em}
header.top .opts{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--page-dim)}
select,button.sm,label.file{font:inherit;font-size:13px;background:transparent;color:var(--page-ink);border:1px solid var(--page-dim);border-radius:4px;padding:3px 8px;cursor:pointer}
label.file input{display:none}
.stage{width:100%;overflow:hidden;background:var(--dos-gray);box-shadow:0 0 0 1px rgba(0,0,0,.35)}
#screen{position:relative;width:720px;height:400px;background:var(--dos-gray);transform-origin:0 0;
  font:15px/16px "Courier New",Courier,ui-monospace,Menlo,Consolas,monospace;color:var(--dos-gray);user-select:none;-webkit-user-select:none;overflow:hidden}
.win{position:absolute;background:var(--dos-black);padding:3px}
.win>.frame{position:relative;height:100%;border:3px double var(--dos-red)}
.win .title{position:absolute;top:-11px;left:0;right:0;text-align:center;color:var(--dos-red);line-height:16px;pointer-events:none}
.win .title span{background:var(--dos-black);padding:0 1ch}
.win .inner{position:absolute;left:4px;right:4px;top:8px;bottom:4px;background:var(--dos-blue);color:var(--dos-gray);overflow:hidden}
.item{height:16px;padding:0 3px;white-space:pre;overflow:hidden;cursor:default}
.item.sel{background:var(--dos-gray);color:var(--dos-black)}
.orange{color:var(--dos-brown)} .item.sel.orange{color:var(--dos-black)}
.item.hot{color:var(--dos-white)}
.arrow{position:absolute;right:-1px;color:var(--dos-red);line-height:16px;z-index:2;background:var(--dos-black);width:9px;text-align:center}
.logo{position:absolute;background:var(--dos-black);color:var(--dos-red);text-align:center;padding:14px 8px;line-height:16px}
.roombar{position:absolute;height:16px;background:var(--dos-blue);color:var(--dos-white);text-align:center;line-height:16px}
.statusbar{position:absolute;left:0;right:0;bottom:0;height:16px;background:var(--dos-blue);color:var(--dos-gray);display:flex;justify-content:space-between;padding:0 9px;white-space:pre;line-height:16px}
.linkstack .tab{position:absolute;left:0;right:0;height:16px;border:0;border-left:3px double var(--dos-red);border-right:3px double var(--dos-red);background:var(--dos-black);color:var(--dos-red);text-align:center;line-height:16px;cursor:pointer}
.linkstack .tab.on{color:var(--dos-white)}
.result{position:absolute;left:4px;top:14px;right:4px;bottom:22px;background:var(--dos-black);padding:3px}
.result .frame{position:relative;height:100%;border:3px double var(--dos-red)}
.result .title{position:absolute;top:-11px;left:0;right:0;text-align:center;color:var(--dos-red);line-height:16px}
.result .title span{background:var(--dos-black);padding:0 1ch}
.result .body{position:absolute;left:4px;right:4px;top:8px;bottom:4px;background:var(--dos-blue);color:var(--dos-gray);overflow-y:auto;padding:0 9px;white-space:pre;font:inherit;scrollbar-width:thin}
.result .body b{color:var(--dos-white);font-weight:400}
.result .body u{text-decoration:underline;color:var(--dos-white)}
.result .body i{font-style:normal;color:var(--dos-white);text-decoration:underline dotted}
.result .body .sym{color:var(--dos-brown);background:var(--dos-black)}
.msg{position:absolute;left:70px;right:70px;top:140px;background:var(--dos-black);padding:3px}
.msg .frame{border:3px double var(--dos-red);padding:12px 10px;color:var(--dos-gray);text-align:center;background:var(--dos-blue);white-space:pre-wrap;line-height:16px}
.kbinfo{margin:6px 0 0;min-height:1.45em;color:var(--page-dim);font-size:12.5px}
#printArea{display:none}
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{display:block;position:absolute;left:0;top:0;white-space:pre-wrap;font:11pt/1.25 "Courier New",monospace;color:#000}
  #printArea b{font-weight:700}
}

.modes{display:flex;gap:0;margin-bottom:12px}
.modes button{font:inherit;font-size:13px;background:transparent;color:var(--page-ink);border:1px solid var(--page-dim);padding:4px 14px;cursor:pointer}
.modes button:first-child{border-radius:4px 0 0 4px}.modes button:last-child{border-radius:0 4px 4px 0;border-left:0}
.modes button[aria-pressed=true]{background:var(--dos-blue);color:#fff;border-color:var(--dos-blue)}
#find[hidden],.stage[hidden]{display:none}
.fp-search{position:relative}
.fp-search label{display:block;font-weight:600;margin-bottom:6px}
#fp-q{width:100%;font:inherit;font-size:15px;padding:8px 10px;background:transparent;color:var(--page-ink);border:1px solid var(--page-dim);border-radius:4px}
#fp-sug{position:absolute;left:0;right:0;top:100%;z-index:5;margin:2px 0 0;padding:0;list-style:none;background:var(--page);border:1px solid var(--page-dim);border-radius:4px;box-shadow:0 4px 14px rgba(0,0,0,.25);max-height:320px;overflow:auto}
#fp-sug li{display:flex;justify-content:space-between;gap:12px;padding:6px 10px;cursor:pointer}
#fp-sug li:hover{background:var(--dos-blue);color:#fff}#fp-sug small{opacity:.7}
.fp-dim{color:var(--page-dim);font-size:12.5px}
.fp-title{font-size:18px;margin:18px 0 2px}
.fp-alias{margin:0 0 6px;color:var(--page-dim);font-size:13px}
.fp-rows{display:flex;flex-direction:column;gap:8px}
.fp-row{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--page-dim);border-radius:4px}
.fp-how{font-size:13px;margin-top:2px}
.fp-act{display:flex;gap:8px;flex-wrap:wrap}
.fp-empty{color:var(--page-dim)}

.fp-scroll{overflow-x:auto;margin:12px 0 4px;padding-bottom:4px}
.fp-line{display:flex;gap:6px;width:max-content;min-width:100%}
.fp-yr{display:flex;flex-direction:column;gap:3px;min-width:78px;flex:0 0 78px}
.fp-yhead{text-align:center;font-size:13px;font-weight:600;line-height:1.15}
.fp-yhead small{display:block;font-weight:400;font-size:11px;color:var(--page-dim);min-height:1.2em}
.slice{display:flex;align-items:center;justify-content:center;height:22px;font-size:12px;border:1px solid var(--page-dim);border-radius:3px;color:var(--page-dim)}
.slice.sel{background:var(--dos-blue);border-color:var(--dos-blue);color:#fff}
.slice.mention{background:rgba(70,70,230,.32);border-color:rgba(70,70,230,.32);color:var(--page-ink)}
.slice.none,.slice.gap{border-color:transparent;color:transparent}
.fp-legend{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:12px;color:var(--page-dim);margin:4px 0 12px}
.fp-legend .slice{display:inline-block;width:22px;height:12px;flex:none}

.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.actions[hidden]{display:none}
.result .body{user-select:text;-webkit-user-select:text;cursor:text}
.result .body ::selection,.result .body::selection{background:var(--dos-gray);color:var(--dos-blue)}
.find-mode .actions{display:none}
.item.undo{cursor:pointer}
.item.undo:hover{background:var(--dos-gray);color:var(--dos-black)}