*{box-sizing:border-box}html,body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif}
.lc-body{background:#f8fafc}.lc-header{padding:12px 16px;background:#4f46e5;color:#fff;font-weight:600}
.lc-dot{width:8px;height:8px;background:#10b981;display:inline-block;border-radius:999px;vertical-align:middle;margin-left:8px;box-shadow:0 0 0 4px rgba(16,185,129,.2)}
.lc-log{height:60vh;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#fff}
.lc-msg{display:flex}.lc-msg.me{justify-content:flex-end}.lc-msg .bubble{max-width:70%;padding:10px 12px;border-radius:14px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.lc-msg.me .bubble{background:#eef2ff}.lc-msg.them .bubble{background:#f3f4f6}.lc-form{display:grid;gap:8px;padding:12px;background:#fff}
.lc-form textarea{min-height:60px;resize:vertical;padding:10px;border-radius:12px;border:1px solid #e5e7eb}
.lc-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end}.lc-actions button{background:#4f46e5;color:#fff;border:none;padding:8px 14px;border-radius:10px;cursor:pointer}
.sidebar{border-right:1px solid #e5e7eb;overflow:auto}.convo{padding:12px 16px;border-bottom:1px solid #f3f4f6;cursor:pointer}.convo.active{background:#eef2ff}
.topbar{padding:12px 16px;border-bottom:1px solid #e5e7eb;display:flex;gap:8px;align-items:center}