:root{--bg:#f4f5f7;--panel:#fff;--text:#1d2129;--muted:#6b7280;--line:#e5e7eb;--brand:#128c7e;--brand-2:#0b6b60;--in:#fff;--out:#dcf8c6;--danger:#c0392b;--warn:#b7791f}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}button,input,textarea,select{font:inherit}button{cursor:pointer;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:8px 14px}button:hover{background:var(--brand-2)}button.ghost{color:var(--text);border:1px solid var(--line);background:0 0}button.ghost:hover{background:var(--bg)}button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:default}input,textarea,select{border:1px solid var(--line);width:100%;color:var(--text);background:#fff;border-radius:8px;padding:8px 10px}textarea{resize:vertical}label{margin:14px 0 6px;font-weight:600;display:block}.hint{color:var(--muted);margin-top:4px;font-size:12px}.app{height:100vh;display:flex}.nav{color:#cfd8d6;background:#0f1b1a;flex-direction:column;flex-shrink:0;gap:4px;width:210px;padding:16px 10px;display:flex}.nav h1{color:#fff;margin:0 8px 16px;font-size:16px}.nav a{color:inherit;border-radius:8px;padding:9px 10px;text-decoration:none}.nav a.active,.nav a:hover{color:#fff;background:#1f3330}.nav .spacer{flex:1}.nav .who{color:#8fa5a1;padding:8px 10px;font-size:12px}.dot{background:#999;border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.dot.on{background:#25d366}.dot.off{background:#e74c3c}.dot.wait{background:#f1c40f}.main{flex:1;min-width:0;overflow:auto}.page{max-width:900px;padding:24px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:16px;padding:18px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.grid2{grid-template-columns:1fr 1fr;gap:12px;display:grid}table{border-collapse:collapse;width:100%}td,th{text-align:left;border-bottom:1px solid var(--line);padding:8px}.badge{background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:2px 8px;font-size:11px}.badge.pending{background:#fff4e0;border-color:#f5c46b}.badge.ai{background:#eef2ff;border-color:#a5b4fc}.inbox{height:100vh;display:flex}.list{border-right:1px solid var(--line);background:var(--panel);flex-direction:column;flex-shrink:0;width:330px;display:flex}.list .filters{border-bottom:1px solid var(--line);flex-direction:column;gap:8px;padding:10px;display:flex}.tabs{gap:4px;display:flex}.tabs button{background:var(--bg);color:var(--text);flex:1;padding:6px;font-size:12px}.tabs button.on{background:var(--brand);color:#fff}.convs{flex:1;overflow:auto}.conv{border-bottom:1px solid var(--line);cursor:pointer;gap:8px;padding:10px 12px;display:flex}.conv:hover{background:#f8faf9}.conv.sel{background:#e8f5f2}.conv .name{white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.conv .last{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.conv .meta{text-align:right;color:var(--muted);flex-shrink:0;margin-left:auto;font-size:11px}.unread{color:#fff;background:#25d366;border-radius:99px;margin-top:4px;padding:1px 7px;font-size:11px;display:inline-block}.chat{background:#efeae2;flex-direction:column;flex:1;min-width:0;display:flex}.chat header{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;padding:10px 16px;display:flex}.chat header select{width:auto}.msgs{flex-direction:column;flex:1;gap:6px;padding:16px 6%;display:flex;overflow:auto}.msg{background:var(--in);white-space:pre-wrap;word-wrap:break-word;border-radius:8px;max-width:70%;padding:7px 10px;box-shadow:0 1px 1px #0000000f}.msg.out{background:var(--out);align-self:flex-end}.msg .t{color:var(--muted);text-align:right;margin-top:2px;font-size:10px}.msg.failed{border:1px solid var(--danger)}.composer{background:var(--panel);border-top:1px solid var(--line);gap:8px;padding:10px;display:flex;position:relative}.composer textarea{min-height:42px;max-height:160px}.qr-pop{border:1px solid var(--line);background:#fff;border-radius:8px;max-height:200px;position:absolute;bottom:62px;left:10px;right:10px;overflow:auto}.qr-pop div{cursor:pointer;padding:8px 10px}.qr-pop div:hover{background:var(--bg)}.empty{color:var(--muted);margin:auto}.login{place-items:center;height:100vh;display:grid}.login .card{width:340px}@media (max-width:760px){.app{flex-direction:column}.nav{flex-direction:row;width:100%;padding:8px;overflow-x:auto}.nav h1,.nav .spacer,.nav .who{display:none}.inbox{height:calc(100vh - 52px)}.list{width:100%}.list.hide-m,.chat.hide-m{display:none}.grid2{grid-template-columns:1fr}}