:root{
  --bg:#f6f4f1; --panel:#fff; --ink:#1d1b19; --muted:#7a736c; --line:#e8e3dd;
  --accent:#8a6d4b; --accent-soft:#f0e9e0; --green:#2e7d57; --amber:#b5791f; --red:#b1442f;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink)}
h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 12px}

.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:14px 20px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:10px}
.brand strong{font-size:18px}
.brand .sub{color:var(--muted);font-size:13px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(46,125,87,.5);
  animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(46,125,87,.45)}70%{box-shadow:0 0 0 7px rgba(46,125,87,0)}100%{box-shadow:0 0 0 0 rgba(46,125,87,0)}}
.metrics{display:flex;gap:26px}
.metric{text-align:right}
.metric-num{font-size:26px;font-weight:700;letter-spacing:-.02em}
.metric-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}

.grid{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;padding:18px;max-width:1200px;margin:0 auto}
.col{display:flex;flex-direction:column;gap:18px;min-width:0}
.panel,.stream-col{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}
.stream-col h2{margin-bottom:14px}

.stream{display:flex;flex-direction:column;gap:10px;max-height:72vh;overflow:auto}
.empty{color:var(--muted);font-size:14px;padding:8px 2px}

.msg{border:1px solid var(--line);border-radius:12px;padding:10px 12px;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg .who{font-weight:600;font-size:13px}
.msg .meta{color:var(--muted);font-size:12px}
.msg.in{background:var(--accent-soft)}
.msg.out{background:#fbfaf8}
.msg .body{margin:6px 0 4px}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}
.badge.free{background:#e4f1ea;color:var(--green)}
.badge.gated{background:#f6ecd8;color:var(--amber)}
.badge.escalate{background:#f6e0da;color:var(--red)}
.badge.queued{background:#eee;color:var(--muted)}
.badge.after{background:#eae6f3;color:#5b4b8a}
.sources{font-size:11px;color:var(--muted);margin-top:4px}

.approval{border:1px solid var(--amber);background:#fdf7ec;border-radius:12px;padding:12px;margin-bottom:10px}
.approval .desc{font-weight:600}
.approval .why{color:var(--muted);font-size:13px;margin:4px 0 10px}
.btn-row{display:flex;gap:8px}
button{font:inherit;cursor:pointer;border:none;border-radius:9px;padding:8px 14px;font-weight:600}
.approve{background:var(--green);color:#fff}
.reject{background:#fff;color:var(--red);border:1px solid var(--red)}
.link{background:none;color:var(--accent);text-decoration:underline;padding:6px 0}

.ledger-list{list-style:none;margin:0;padding:0}
.ledger-list li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px}
.ledger-list li:last-child{border-bottom:none}
.ledger-list .v{font-weight:700}

.chat{display:flex;flex-direction:column;gap:8px;max-height:240px;overflow:auto;margin-bottom:10px}
.chat .b{padding:8px 11px;border-radius:10px;max-width:85%;font-size:14px}
.chat .b.me{align-self:flex-end;background:var(--accent);color:#fff}
.chat .b.ag{align-self:flex-start;background:var(--accent-soft)}
.chat-form{display:flex;gap:8px}
.chat-form input{flex:1;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit}
.chat-form button{background:var(--accent);color:#fff}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:20}
.modal.hidden{display:none}
.modal-card{background:#fff;border-radius:14px;padding:20px;max-width:560px;width:92%;max-height:85vh;overflow:auto;position:relative}
.modal-close{position:absolute;top:10px;right:12px;background:none;font-size:22px;color:var(--muted)}
.handoff-reason{background:#f6e0da;color:var(--red);border-radius:9px;padding:8px 11px;font-size:13px;margin:8px 0}
.thread-line{font-size:13px;padding:6px 0;border-bottom:1px solid var(--line)}

@media(max-width:820px){
  .grid{grid-template-columns:1fr}
  .metrics{gap:18px}.metric-num{font-size:22px}
}