/* panel.css — side panel (narrow) and web app (wide) share one layout. Colours pass WCAG AA on white. */
[hidden]{display:none!important}
:root{--ink:#16181d;--mute:#5d6470;--line:#d9dde3;--soft:#f4f6f9;--go:#0b6b3a;--go2:#09572f;--acc:#1a56db;--bad:#b42318;--ok:#067647}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Sans",sans-serif;color:var(--ink);background:#fff}
.me{max-width:640px;margin:0 auto;padding:10px 12px 18px}
.me button,.me select,.me input,.me textarea{font:inherit;color:inherit}
.me button{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px}
.me button:hover{border-color:#9aa3af}
.me button:focus-visible,.me select:focus-visible,.me a:focus-visible,.me textarea:focus-visible{outline:2px solid var(--acc);outline-offset:1px}
.me-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.me-logo{display:flex;align-items:center;gap:6px;font-size:15px;flex:1;min-width:0}
.me-logo b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-top select{border:1px solid var(--line);border-radius:8px;padding:5px 6px;background:#fff}
.me-prem{background:#fff7e6!important;border-color:#f0c36d!important;font-weight:600}
.me-prem.on{background:#e7f6ec!important;border-color:#8fd3a8!important}
.me-modes{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-bottom:8px}
.me-modes button{padding:7px 4px;font-size:13px;white-space:nowrap}
.me-modes button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.me-pane{margin-bottom:8px}
math-field{display:block;width:100%;font-size:24px;border:1px solid var(--line);border-radius:10px;padding:8px 10px;min-height:58px;background:#fff}
math-field:focus-within{outline:2px solid var(--acc);outline-offset:1px}
.me-chips{display:flex;flex-wrap:wrap;gap:4px;margin:6px 0}
.me-chips,#chips{display:flex;flex-wrap:wrap;gap:4px}
.me-chips button{padding:3px 8px;min-width:34px;font-size:14px;background:var(--soft)}
.me-chips .me-clr{background:#fff;color:var(--mute)}
.me-hint{color:var(--mute);font-size:12.5px;margin:4px 0}
.me-latex summary{cursor:pointer;color:var(--mute);font-size:12.5px}
.me-latex textarea{width:100%;font:13px/1.4 ui-monospace,Consolas,monospace;border:1px solid var(--line);border-radius:8px;padding:6px;margin-top:4px}
#pad{display:block;width:100%;height:210px;border:1px dashed #9aa3af;border-radius:10px;touch-action:none;background:#fff;cursor:crosshair}
.me-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:6px 0}
.me-go{background:var(--go)!important;color:#fff!important;border-color:var(--go)!important;font-weight:600;text-decoration:none;display:inline-block;border-radius:8px;padding:7px 12px}
.me-go:hover{background:var(--go2)!important}
.me-go:disabled{opacity:.5;cursor:default}
.me-go.busy{opacity:.7}
.me-rec.live{background:var(--bad)!important;border-color:var(--bad)!important}
.me-drop{display:flex;align-items:center;justify-content:center;min-height:130px;border:1px dashed #9aa3af;border-radius:10px;padding:10px;text-align:center;color:var(--mute);cursor:pointer;background:var(--soft)}
.me-drop.over{border-color:var(--acc);background:#eef4ff}
.me-drop img{max-width:100%;max-height:220px}
.me-result{border:1px solid var(--line);border-radius:12px;padding:10px;margin:8px 0;background:#fff}
.me-prev{min-height:70px;display:flex;align-items:center;justify-content:center;padding:8px;border-radius:8px;overflow:auto;
  background-image:linear-gradient(45deg,#f1f3f6 25%,transparent 25%),linear-gradient(-45deg,#f1f3f6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f1f3f6 75%),linear-gradient(-45deg,transparent 75%,#f1f3f6 75%);
  background-size:14px 14px;background-position:0 0,0 7px,7px -7px,-7px 0}
.me-prev img{max-width:100%;height:auto}
.me-err{color:var(--bad);font-size:13px}
.me-alt{display:block;margin-top:8px}
.me-alt>span{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--mute);font-weight:600}
.me-alt select{border:1px solid var(--line);border-radius:6px;padding:1px 4px;font-size:12px}
.me-alt textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:6px;margin-top:3px;resize:vertical;font-size:13px}
.me-opts{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.me-seg{display:inline-flex;gap:3px;align-items:center}
.me-seg button{padding:3px 8px;font-size:12.5px}
.me-seg button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
#colors button{width:22px;height:22px;padding:0;border-radius:50%;background:var(--c);border:2px solid #c3c9d1}
#colors button.on{outline:2px solid var(--acc);outline-offset:1px;border-color:#fff}
#colors input{width:26px;height:24px;border:0;padding:0;background:none}
.me-bg{font-size:12.5px;color:var(--mute)}
.me-main{display:flex;gap:6px;flex-wrap:wrap}
.me-big{flex:1;font-size:15px;padding:10px 12px}
.me-sec{font-size:13px}
.me-out{min-height:1.2em;font-size:13px;margin:6px 0 2px}
.me-out.ok{color:var(--ok)}.me-out.bad{color:var(--bad)}
.me-copy{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.me-copy button{font-size:12.5px;padding:4px 8px}
.me-textline{font-size:12.5px;color:var(--mute);margin:6px 0 0;word-break:break-word}
.me-textline code{color:var(--ink);font:13px system-ui,sans-serif}
.me-lib{margin-top:10px}
.me-libtabs{display:flex;gap:4px;margin-bottom:6px}
.me-libtabs button{font-size:12.5px;padding:4px 8px}
.me-libtabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.me-libbar{display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin-bottom:6px}
.me-libbar select,.me-libbar input[type=text]{border:1px solid var(--line);border-radius:8px;padding:4px 6px;max-width:100%}
.me-libbar button,.me-file span{font-size:12.5px;padding:4px 8px;border:1px solid var(--line);border-radius:8px;cursor:pointer;display:inline-block}
.me-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.me-list li{display:flex;gap:4px}
.me-item{flex:1;display:flex;align-items:center;gap:10px;text-align:left;min-height:40px;overflow:hidden}
.me-item img{max-height:44px;max-width:62%}
.me-item span{font-size:12.5px;color:var(--mute)}
.me-del{padding:0 8px!important;color:var(--mute)}
.me-empty{color:var(--mute);font-size:12.5px;padding:6px 2px}
.me-foot{margin-top:12px;font-size:12px;color:var(--mute)}
.me-foot a{color:var(--mute)}
.me-modal{position:fixed;inset:0;background:rgba(16,24,40,.45);display:flex;align-items:flex-start;justify-content:center;padding:24px 10px;z-index:50;overflow:auto}
.me-modal[hidden]{display:none}
.me-box{position:relative;background:#fff;border-radius:14px;max-width:440px;width:100%;padding:16px 16px 12px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.me-box h2{font-size:18px;margin:0 0 8px}
.me-x{position:absolute;right:8px;top:6px;border:0!important;font-size:20px;line-height:1;background:none!important}
.me-why{font-weight:600;margin:0 0 6px}
.me-bul{padding-left:18px;margin:6px 0}.me-bul li{margin:5px 0}
.me-buy{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.me-buy .me-go{flex:1;text-align:center;font-size:15px;padding:10px}
.me-link{border:0!important;background:none!important;color:var(--acc);text-decoration:underline;padding:0!important}
#keyIn{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px;font:13px ui-monospace,Consolas,monospace}
.me-micpage .me-micbox{max-width:520px;margin:30px auto 0;padding:16px;border:2px solid var(--go);border-radius:12px;font-size:15px}
@media (min-width:900px){.me{max-width:760px}}