:root{
  --ink:#1c1a17; --ink-soft:#4a443c; --muted:#9a8c78; --line:#e7e0d6;
  --bg:#f3efe8; --panel:#fffdf9; --panel-2:#faf6ef; --gold:#b08d57; --gold-soft:#cdb693;
  --user:#1c1a17; --ok:#2f7d4f; --no:#a8443a; --wait:#b07d2c;
  --shadow:0 18px 50px rgba(40,30,15,.10);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit}
a{color:var(--gold);text-decoration:none}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{
  background:var(--panel);border:1px solid var(--line);border-radius:20px;
  width:100%;max-width:400px;padding:40px 36px;box-shadow:var(--shadow);
}
.brand{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:26px}
.brand .mark{font-size:13px;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:600}
.brand h1{font-size:22px;margin:10px 0 4px;font-weight:600;letter-spacing:-.01em}
.brand p{margin:0;color:var(--muted);font-size:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;
  font-size:15px;background:var(--panel-2);color:var(--ink);outline:none;transition:border-color .15s;
}
.field input:focus{border-color:var(--gold-soft)}
.btn-primary{
  width:100%;margin-top:8px;padding:14px;border:0;border-radius:11px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s;
}
.btn-primary:hover{opacity:.92}
.btn-primary:disabled{opacity:.5;cursor:default}
.err{color:var(--no);font-size:14px;margin-top:12px;min-height:18px;text-align:center}

/* ---------- App layout ---------- */
.app{display:grid;grid-template-columns:280px 1fr;height:100vh}
.sidebar{background:var(--panel-2);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.side-head{padding:20px 18px 12px}
.side-head .mark{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600}
.side-head .who{margin-top:6px;font-size:15px;font-weight:600}
.side-head .role{font-size:12px;color:var(--muted);text-transform:capitalize}
.new-btn{
  margin:6px 14px 10px;padding:11px;border:1px dashed var(--gold-soft);background:transparent;border-radius:11px;
  color:var(--ink-soft);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s;
}
.new-btn:hover{background:#fff}
.convos{flex:1;overflow-y:auto;padding:4px 10px 10px}
.convo{
  padding:11px 12px;border-radius:10px;cursor:pointer;font-size:14px;color:var(--ink-soft);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;
}
.convo:hover{background:#fff}
.convo.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:inset 0 0 0 1px var(--line)}
.side-foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.side-foot button{background:none;border:0;color:var(--muted);font-size:13px;cursor:pointer}
.side-foot button:hover{color:var(--ink)}

/* ---------- Chat ---------- */
.main{display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.topbar{padding:16px 26px;border-bottom:1px solid var(--line);background:var(--panel);display:flex;align-items:center;gap:10px}
.topbar h2{font-size:16px;font-weight:600;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.topbar .dot.off{background:var(--muted)}
.stream{flex:1;overflow-y:auto;padding:28px 0}
.thread{max-width:760px;margin:0 auto;padding:0 26px}
.msg{margin-bottom:22px;display:flex;gap:12px}
.msg .av{width:30px;height:30px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.msg.user .av{background:var(--gold)}
.msg.assistant .av{background:var(--ink)}
.msg .body{flex:1;min-width:0}
.msg .name{font-size:12px;color:var(--muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.06em}
.msg .content{font-size:15.5px;line-height:1.62;color:var(--ink);word-wrap:break-word}
.msg .content p{margin:0 0 10px}
.msg .content pre{background:#2a2620;color:#f3ede2;padding:14px 16px;border-radius:10px;overflow:auto;font-size:13px;margin:10px 0}
.msg .content code{background:#ece5da;padding:1px 5px;border-radius:5px;font-size:13.5px}
.msg .content pre code{background:none;padding:0}
.msg .content strong{font-weight:600}

.event{max-width:760px;margin:0 auto 14px;padding:0 26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;font-size:13px;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-soft);
}
.chip .ic{font-size:13px}
.chip.safe{color:var(--ink-soft)}
.chip.review{border-color:var(--gold-soft);background:#fbf4e9;color:var(--wait)}
.chip.ok{border-color:#cfe6d6;background:#eef6f0;color:var(--ok)}
.chip.no{border-color:#eccfca;background:#f8efed;color:var(--no)}
.spin{width:11px;height:11px;border:2px solid var(--gold-soft);border-top-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

.approval-banner{
  max-width:760px;margin:0 auto 16px;padding:0 26px;
}
.approval-banner .inner{
  border:1px solid var(--gold-soft);background:#fbf4e9;border-radius:12px;padding:14px 16px;
  display:flex;gap:10px;align-items:center;color:var(--wait);font-size:14px;
}

.composer{border-top:1px solid var(--line);background:var(--panel);padding:16px 26px}
.composer .wrap{max-width:760px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}
.composer textarea{
  flex:1;resize:none;border:1px solid var(--line);border-radius:14px;padding:13px 15px;font-size:15px;
  font-family:inherit;line-height:1.5;max-height:180px;background:var(--panel-2);color:var(--ink);outline:none;
}
.composer textarea:focus{border-color:var(--gold-soft)}
.composer .send{
  width:44px;height:44px;border-radius:50%;border:0;background:var(--ink);color:#fff;font-size:18px;cursor:pointer;flex:none;
}
.composer .send:disabled{opacity:.4;cursor:default}
.hint{max-width:760px;margin:8px auto 0;font-size:12px;color:var(--muted);text-align:center}

.empty{max-width:560px;margin:8vh auto;text-align:center;padding:0 26px;color:var(--muted)}
.empty .mark{font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600}
.empty h2{color:var(--ink);font-weight:600;font-size:24px;margin:12px 0 8px}
.empty p{font-size:15px;line-height:1.6}
.starter{display:inline-block;margin:6px;padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--ink-soft);font-size:14px;cursor:pointer}
.starter:hover{border-color:var(--gold-soft)}

@media (max-width:760px){
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
}