:root{--green:#128c7e;--green-dark:#075e54;--green-light:#25d366;--bg:#f0f2f5;--card:#ffffff;--text:#111b21;--muted:#667781;--border:#e9edef;--danger:#e02424;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#075e54,#128c7e 60%,#25d366)}.card{width:100%;max-width:420px;background:var(--card);border-radius:var(--radius);padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.18)}.brand{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-weight:700;font-size:20px}.brand .dot{width:34px;height:34px;border-radius:9px;background:var(--green-light);display:grid;place-items:center;color:#fff;font-size:18px}.subtitle{color:var(--muted);margin:0 0 22px;font-size:14px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;font-size:14px;outline:none;transition:border-color .15s}.field input:focus{border-color:var(--green)}.btn{width:100%;padding:12px 16px;border:none;border-radius:10px;background:var(--green);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn:hover{background:var(--green-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.error{background:#fdecec;color:var(--danger);border:1px solid #f8caca;padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:14px}.switch{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}.shell{min-height:100vh;display:flex}.sidebar{width:240px;background:var(--green-dark);color:#d7e3e0;padding:22px 16px;flex-shrink:0}.sidebar .logo{color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:26px}.sidebar nav a{display:block;color:#cfe0dc;padding:10px 12px;border-radius:9px;margin-bottom:4px;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}.main{flex:1 1;padding:28px 34px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.topbar h1{margin:0;font-size:22px}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));grid-gap:16px;gap:16px;margin-bottom:26px}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:18px}.panel h2{margin:0 0 14px;font-size:16px}.row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px}.row:last-child{border-bottom:none}.row .k{color:var(--muted)}.badge{display:inline-block;background:#e7f7ef;color:#0a7d47;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);padding:8px 14px;border-radius:9px;cursor:pointer;font-size:13px}.btn-ghost:hover{background:rgba(255,255,255,.12)}.btn-mini{background:#eef4f2;color:var(--green-dark);border:1px solid #d6e4df;padding:6px 12px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}.btn-mini:hover{background:#e2eeea}.btn-mini.danger{background:#fdecec;color:var(--danger);border-color:#f6cccc}.btn-mini.danger:hover{background:#fadede}.center-screen{min-height:100vh;display:grid;place-items:center;color:var(--muted)}.inbox-layout{display:flex;height:calc(100vh - 80px);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--card)}.convo-list{width:360px;border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.convo-list-header{padding:14px 16px;border-bottom:1px solid var(--border)}.convo-list-header input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:13px;outline:none}.convo-list-header input:focus{border-color:var(--green)}.convo-list-items{flex:1 1;overflow-y:auto}.convo-item{display:flex;gap:12px;padding:14px 16px;cursor:pointer;border-bottom:1px solid var(--border);transition:background .1s}.convo-item:hover{background:#f5f6f6}.convo-item.active{background:#f0f2f5}.convo-avatar{width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;flex-shrink:0}.convo-info{flex:1 1;min-width:0}.convo-name{font-weight:600;font-size:14px;display:flex;justify-content:space-between}.convo-name .time{color:var(--muted);font-size:12px;font-weight:400}.convo-preview{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px;display:flex;justify-content:space-between;align-items:center}.unread-badge{background:var(--green-light);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:grid;place-items:center;padding:0 5px;flex-shrink:0}.chat-area{flex:1 1;display:flex;flex-direction:column;min-width:0}.chat-header{padding:12px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.chat-header .name{font-weight:600;font-size:15px}.chat-header .phone{color:var(--muted);font-size:13px}.chat-header .window-tag{font-size:11px;padding:2px 8px;border-radius:999px;margin-left:auto}.chat-header .window-open{background:#e7f7ef;color:#0a7d47}.chat-header .window-closed{background:#fdecec;color:var(--danger)}.message-list{flex:1 1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column-reverse;gap:4px;background:#efeae2}.bubble{max-width:65%;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.45;position:relative;word-wrap:break-word}.bubble-in{background:#fff;align-self:flex-start;border-top-left-radius:2px}.bubble-out{background:#d9fdd3;align-self:flex-end;border-top-right-radius:2px}.bubble .meta{font-size:11px;color:var(--muted);text-align:right;margin-top:4px;display:flex;gap:4px;justify-content:flex-end;align-items:center}.bubble .status-checks{font-size:14px}.bubble .status-read{color:#53bdeb}.compose-bar{padding:10px 16px;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;background:#f0f2f5}.compose-bar input{flex:1 1;padding:11px 14px;border:1px solid var(--border);border-radius:22px;font-size:14px;outline:none;background:#fff}.compose-bar input:focus{border-color:var(--green)}.compose-bar button{width:42px;height:42px;border-radius:50%;background:var(--green);color:#fff;border:none;cursor:pointer;font-size:18px;display:grid;place-items:center;flex-shrink:0}.compose-bar button:disabled{opacity:.5;cursor:not-allowed}.chat-empty{flex:1 1;display:grid;place-items:center;color:var(--muted);font-size:15px}.filter-tabs{display:flex;gap:0;border-bottom:1px solid var(--border)}.filter-tab{flex:1 1;text-align:center;padding:10px 0;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}.filter-tab:hover{color:var(--text)}.filter-tab.active{color:var(--green);border-bottom-color:var(--green)}