:root{color-scheme:light;--bg:#f5f7fa;--paper:#fff;--text:#18293c;--muted:#67778a;--line:#dce3ec;--accent:#2564d8;--soft:#eaf1ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,sans-serif}body.dark{color-scheme:dark;--bg:#101925;--paper:#192637;--text:#e6edf6;--muted:#a0b1c6;--line:#34465b;--soft:#203c62;--accent:#82b2ff}header{display:flex;align-items:center;justify-content:space-between;padding:22px 5%;border-bottom:1px solid var(--line);gap:24px}.brand{font-size:26px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-1px}.brand span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--muted)}.badges{display:flex;gap:10px;flex-wrap:wrap}.badges span{border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:12px}main{max-width:1320px;margin:0 auto;padding:25px 30px}.intro h1{font-size:clamp(30px,4vw,48px);letter-spacing:-1.4px;line-height:1.15;margin:16px 0}.intro h1 br{display:none}em{font-style:normal;color:var(--accent)}.intro p,.muted,.notice{color:var(--muted)}.connection{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:24px 0 18px;font-size:13px}.connection input{width:300px;max-width:75vw;margin-left:9px}input,textarea,button{font:inherit}input[type=password],aside textarea{border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--text);padding:9px}button{cursor:pointer;border:0;border-radius:8px;background:var(--accent);color:white;font-weight:600;font-size:13px;padding:10px 14px}button:hover{filter:brightness(.94)}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #80abed;outline-offset:2px}.quiet{background:var(--soft);color:var(--accent)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px}.editor-panel,aside{background:var(--paper);border:1px solid var(--line);border-radius:15px;overflow:hidden}.toolbar,.bottom-bar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 20px;font-size:12px}.toolbar{border-bottom:1px solid var(--line)}.toolbar strong{font-size:13px;margin-right:auto}.toolbar label{display:flex;align-items:center;gap:4px}#char-count{color:var(--muted)}#editor{display:block;resize:vertical;width:100%;height:390px;min-height:250px;border:0;padding:26px 28px;background:var(--paper);color:var(--text);font:18px/1.8 system-ui,sans-serif;outline:none!important}#editor::placeholder{color:#8d9caf;font-size:16px}.bottom-bar{border-top:1px solid var(--line)}#status{color:var(--muted);font-size:12px;width:100%}aside{padding:20px}h2{font-size:16px;margin:0 0 15px}#count{border-radius:20px;background:var(--soft);color:var(--accent);padding:2px 8px;margin-left:5px}.issue-card{display:block;text-align:left;width:100%;margin:8px 0;padding:12px;background:var(--bg);color:var(--text);border-left:3px solid #dc3545;font-weight:400}.issue-card small{display:block;color:var(--muted);margin-bottom:4px}.issue-card b{color:var(--accent)}aside details{border-top:1px solid var(--line);padding-top:16px;margin-top:22px;font-size:12px}summary{cursor:pointer;font-weight:600}aside textarea{width:100%;resize:vertical;margin-bottom:8px}.statistics{color:var(--muted);margin-top:20px;font-size:12px}.statistics button{padding:4px 8px;margin-top:5px}.notice{font-size:12px;max-width:1000px;margin:22px 0}footer{font-size:12px;text-align:center;color:var(--muted);padding:25px}@media(max-width:850px){.workspace{grid-template-columns:1fr}.badges{display:none}main{padding:15px}.intro h1 br{display:block}aside{min-height:100px}.connection input{width:235px}.toolbar,.bottom-bar{padding:12px}#editor{padding:18px}}