*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e3e6ea;--text: #1c2230;--muted: #6b7280;--accent: #3b4ce2;--lead: #eef1f5;--ai: #e8f0ff;--human: #dcf5e6;--danger: #d64545;--warn: #e08a00}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;height:100vh}.sidebar{width:340px;min-width:300px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}.sidebar-header{padding:16px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:18px}.sidebar-header .count{font-size:12px;color:var(--muted)}.stats-strip{display:flex;gap:8px;margin-top:12px}.stat{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 6px;text-align:center}.stat-alert{background:#fff1d6;border-color:#f3d28a}.stat-num{display:block;font-size:18px;font-weight:700;line-height:1.1}.stat-alert .stat-num{color:var(--warn)}.stat-label{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin-top:2px}.conv-list{list-style:none;overflow-y:auto;flex:1}.conv-item{padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer}.conv-item:hover{background:var(--bg)}.conv-item.selected{background:#eef1ff;border-left:3px solid var(--accent)}.conv-item.status-needs_human{border-left:3px solid var(--warn)}.conv-row{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.conv-name{font-weight:600;font-size:14px}.conv-time{font-size:11px;color:var(--muted)}.list-empty{padding:24px 16px;color:var(--muted);font-size:14px}.badge{font-size:10px;text-transform:uppercase;letter-spacing:.04em;padding:2px 7px;border-radius:10px;font-weight:600}.badge-needs_human{background:#fff1d6;color:var(--warn)}.badge-human_active{background:var(--human);color:#1d7a44}.badge-ai_active{background:var(--ai);color:var(--accent)}.badge-closed{background:#eceef1;color:var(--muted)}.badge-optout{background:#fde2e2;color:var(--danger);margin-left:6px}.main{flex:1;display:flex;flex-direction:column}.empty-state{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted)}.thread{display:flex;flex-direction:column;height:100%}.thread-header{padding:14px 20px;border-bottom:1px solid var(--border);background:var(--panel);display:flex;justify-content:space-between;align-items:center}.thread-header h2{font-size:16px}.thread-phone{font-size:12px;color:var(--muted);margin-right:8px}.thread-actions{display:flex;align-items:center;gap:8px}.thread-actions button{border:1px solid var(--border);background:var(--panel);padding:6px 12px;border-radius:6px;font-size:13px;cursor:pointer}.thread-actions button:hover:not(:disabled){background:var(--bg)}.thread-actions button:disabled{opacity:.5;cursor:not-allowed}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.msg{max-width:70%;padding:10px 14px;border-radius:12px}.msg-lead{align-self:flex-start;background:var(--lead)}.msg-ai{align-self:flex-end;background:var(--ai)}.msg-human{align-self:flex-end;background:var(--human)}.msg-meta{display:flex;gap:8px;font-size:11px;color:var(--muted);margin-bottom:3px}.msg-sender{font-weight:700}.msg-body{font-size:14px;white-space:pre-wrap;word-break:break-word}.composer{display:flex;gap:10px;padding:14px 20px;border-top:1px solid var(--border);background:var(--panel)}.composer textarea{flex:1;resize:none;padding:10px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:14px}.composer button{background:var(--accent);color:#fff;border:none;padding:0 20px;border-radius:8px;font-weight:600;cursor:pointer}.composer button:disabled{opacity:.5;cursor:not-allowed}.composer-disabled{color:var(--danger);font-size:13px;justify-content:center}