:root{color-scheme:dark;--bg:#10151d;--card:#171e28;--line:#2a3543;--text:#edf2f7;--muted:#9aa9b9;--accent:#a8f0c6}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;margin:0}header,main,footer{width:min(1200px,calc(100% - 48px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 0;border-bottom:1px solid var(--line)}.brand{text-decoration:none;color:var(--text);display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:1.5px}.brand b{color:var(--accent);font-weight:400}.logo{font-size:26px;font-weight:bold;letter-spacing:-2px}.logo span{color:var(--accent)}.badge{font-size:10px;letter-spacing:1.2px;border:1px solid #395745;border-radius:99px;color:var(--accent);padding:9px 13px}.intro{padding:65px 0 48px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted)}h1{font-size:clamp(38px,5vw,65px);line-height:1.12;letter-spacing:-2px;margin:24px 0}h1 span{color:var(--accent)}.intro p{color:var(--muted);font-size:16px;line-height:1.8;max-width:610px}.columns{display:grid;grid-template-columns:390px 1fr;gap:36px;align-items:start}.compose{background:var(--card);border:1px solid var(--line);padding:27px;border-radius:18px}h2{font-size:19px;margin:0 0 24px;font-weight:500}.compose h2{display:flex;justify-content:space-between}.compose h2 span{color:var(--accent)}label{display:block;font-size:12px;margin:20px 0 9px;color:#d1dce7}label small{color:var(--muted);margin-left:6px}input,textarea{width:100%;background:#10151d;border:1px solid #354253;border-radius:8px;color:var(--text);padding:13px;font:inherit;font-size:14px}textarea{resize:vertical;min-height:150px}input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:2px}.count{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:8px}.notice{font-size:11px;line-height:1.7;color:var(--muted);margin:20px 0}button{cursor:pointer;border:0;font:inherit}#send{background:var(--accent);color:#14251c;width:100%;display:flex;justify-content:space-between;padding:15px 18px;border-radius:8px;font-size:13px;font-weight:bold}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}#status,#load-error{font-size:13px;line-height:1.5;color:var(--accent)}.trap{display:none}.feed-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.feed-heading h2{margin:0}.refresh{background:transparent;color:var(--muted);border:1px solid var(--line);padding:9px 14px;border-radius:8px;font-size:12px}.feed-info{font-size:11px;color:var(--muted);margin:13px 0 22px}.message{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:23px;margin-bottom:14px}.meta{display:flex;align-items:center;gap:12px}.avatar{background:#253c32;color:var(--accent);height:36px;width:36px;border-radius:10px;display:grid;place-items:center;font-weight:bold;font-size:14px;flex-shrink:0}.author{font-size:13px;overflow-wrap:anywhere}.date{font-size:10px;color:var(--muted);margin-top:5px}.recipient{font-size:11px;color:var(--accent);margin:16px 0 0}.message p.body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8;color:#d4dee8;margin:15px 0 0}.empty{border:1px dashed var(--line);border-radius:14px;padding:50px 25px;color:var(--muted);text-align:center;font-size:14px;line-height:1.8}footer{border-top:1px solid var(--line);margin-top:70px;padding:25px 0;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted)}@media(max-width:850px){.columns{grid-template-columns:1fr}.intro{padding-top:45px}.compose{padding:24px}.feed{margin-top:12px}}@media(max-width:500px){header,main,footer{width:calc(100% - 32px)}header{flex-wrap:wrap;padding:20px 0}.badge{font-size:9px}h1{font-size:39px;letter-spacing:-1.2px}.eyebrow{font-size:9px;letter-spacing:1px}.intro p{font-size:14px}footer{flex-direction:column}.message{padding:20px}}