:root{--bg:#0f1115;--card:#151924;--text:#e8eaf0;--muted:#a5acc0;--line:#262b3b;--accent:#66a6ff;}
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; background:var(--bg); color:var(--text)}
a{color:inherit;text-decoration:none}
.top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(15,17,21,.92);backdrop-filter: blur(10px)}
.brand{font-weight:700;letter-spacing:.3px}
.link{color:var(--muted)}
.wrap{max-width:980px;margin:0 auto;padding:22px 18px}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;transition:transform .08s ease, border-color .08s ease}
.card:hover{transform:translateY(-1px);border-color:#3a4465}
.cardTitle{font-size:16px;font-weight:650;margin-bottom:6px}
.cardText{color:var(--muted);font-size:13px;line-height:1.35}
.note{margin-top:18px;background:rgba(102,166,255,.08);border:1px solid rgba(102,166,255,.25);padding:12px 14px;border-radius:12px;color:var(--text)}
.btn{background:var(--accent);color:#0b1020;border:none;border-radius:10px;padding:10px 12px;font-weight:650;cursor:pointer}
.btn:disabled{opacity:.55;cursor:not-allowed}
.input,textarea{width:100%;background:#0c0f18;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:10px 12px;font-size:14px}
.row{display:flex;gap:10px;align-items:center}
.small{font-size:12px;color:var(--muted)}
.hr{height:1px;background:var(--line);margin:14px 0}
.badge{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--muted)}
.table{width:100%;border-collapse:collapse;margin-top:10px}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;font-size:13px}
.table th{color:var(--muted);font-weight:650}
.msg{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:10px 0;background:#0c0f18}
.msg.in{border-color:rgba(102,166,255,.35)}
.msg.out{border-color:rgba(165,172,192,.25)}
.msgHead{display:flex;justify-content:space-between;gap:12px;align-items:center}
.msgDir{font-size:12px;color:var(--muted)}
.msgTime{font-size:12px;color:var(--muted)}
.msgText{white-space:pre-wrap;line-height:1.35}
.attach{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.attach a{border:1px solid var(--line);padding:6px 10px;border-radius:10px;color:var(--text);font-size:12px;background:rgba(255,255,255,.03)}
.footerBar{display:flex;gap:10px;align-items:flex-end;margin-top:12px}