:root{color-scheme:dark;--bg: #0f1117;--surface: #1a1d27;--border: #2a2f3d;--text: #e8eaef;--muted: #8b93a7;--accent: #6366f1;--accent-hover: #818cf8;--badge: #312e81;font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}#app{min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer;border:none;border-radius:8px;padding:.55rem 1rem;background:var(--accent);color:#fff}button:hover{background:var(--accent-hover)}button.secondary{background:var(--surface);border:1px solid var(--border);color:var(--text)}button.secondary:hover{border-color:var(--muted)}.login{display:grid;place-items:center;min-height:100vh;padding:2rem}.login-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem}.login-card h1{margin:0 0 .25rem;font-size:1.35rem}.login-card p{margin:0 0 1.5rem;color:var(--muted);font-size:.9rem}.login-card label{display:block;margin-bottom:1rem;font-size:.85rem;color:var(--muted)}.login-card input{display:block;width:100%;margin-top:.35rem;padding:.6rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.login-card button{width:100%;margin-top:.5rem}.error{color:#f87171;font-size:.85rem;margin-top:.75rem}.shell{display:grid;grid-template-rows:auto 1fr;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.25rem;border-bottom:1px solid var(--border);background:var(--surface)}.topbar h1{margin:0;font-size:1rem;font-weight:600}.tenant-tabs{display:flex;gap:.5rem;flex-wrap:wrap}.tenant-tabs button{padding:.35rem .75rem;font-size:.85rem;background:transparent;border:1px solid var(--border);color:var(--muted)}.tenant-tabs button.active{background:var(--badge);border-color:var(--accent);color:var(--text)}.main{display:grid;grid-template-columns:minmax(280px,360px) 1fr;min-height:0}.queue-panel{border-right:1px solid var(--border);overflow-y:auto}.queue-panel h2{margin:0;padding:1rem 1.25rem .5rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.queue-item{display:block;width:100%;text-align:left;padding:.85rem 1.25rem;background:transparent;border:none;border-bottom:1px solid var(--border);color:inherit;border-radius:0}.queue-item:hover,.queue-item.selected{background:#222633}.queue-item .row{display:flex;justify-content:space-between;gap:.5rem;align-items:center}.badge{display:inline-block;font-size:.7rem;padding:.15rem .45rem;border-radius:999px;background:var(--badge);color:#c7d2fe}.queue-item .preview{margin:.35rem 0 0;font-size:.85rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.queue-item .meta{font-size:.75rem;color:var(--muted)}.chat-panel{display:flex;flex-direction:column;min-height:0}.chat-empty{display:grid;place-items:center;flex:1;color:var(--muted)}.chat-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:1rem}.chat-header h2{margin:0;font-size:1rem}.chat-header .sub{font-size:.85rem;color:var(--muted)}.messages{flex:1;overflow-y:auto;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.75rem}.msg{max-width:75%;padding:.65rem .85rem;border-radius:12px;font-size:.9rem;line-height:1.4}.msg.user{align-self:flex-start;background:var(--surface);border:1px solid var(--border)}.msg.peer{align-self:flex-end;background:var(--badge)}.msg time{display:block;font-size:.7rem;color:var(--muted);margin-top:.35rem}.compose{padding:1rem 1.25rem;border-top:1px solid var(--border);display:flex;gap:.75rem}.compose textarea:disabled,.compose button:disabled{opacity:.5;cursor:not-allowed}.compose textarea:disabled{background:var(--surface)}.compose textarea{flex:1;min-height:2.75rem;max-height:8rem;resize:vertical;padding:.65rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}@media(max-width:768px){.main{grid-template-columns:1fr}.queue-panel{max-height:40vh}}