:root{--green:#075e54;--green2:#128c7e;--light:#f0f2f5;--panel:#fff;--line:#e4e7eb;--muted:#667781;--sent:#d9fdd3;--blue:#53bdeb}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;height:100%;font-family:Arial,Helvetica,sans-serif;color:#111}body{background:#d9dbd5}.app{height:100%;display:flex;flex-direction:column}.auth-screen{min-height:100%;display:grid;place-items:center;background:linear-gradient(160deg,#075e54 0 38%,#eef2f0 38%)}.auth-card{width:min(430px,94vw);background:#fff;border-radius:18px;padding:28px;box-shadow:0 14px 40px #0003}.logo{width:62px;height:62px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:26px;font-weight:800;margin-bottom:15px}.auth-card h1{margin:0 0 6px}.muted{color:var(--muted);font-size:14px}.auth-tabs{display:flex;background:#f0f2f5;border-radius:10px;padding:4px;margin:20px 0 12px}.auth-tabs button{flex:1;border:0;background:transparent;padding:11px;border-radius:8px;font-weight:700}.auth-tabs .active{background:#fff;color:var(--green);box-shadow:0 1px 4px #0001}.field{width:100%;padding:13px;border:1px solid #d4d8dc;border-radius:9px;font-size:15px;outline:none;margin:6px 0}.field:focus{border-color:var(--green2);box-shadow:0 0 0 2px #128c7e18}.btn{border:0;border-radius:9px;padding:12px 15px;font-weight:700;cursor:pointer}.primary{background:var(--green2);color:#fff}.full{width:100%;margin-top:10px}.notice{min-height:22px;margin-top:10px;font-size:13px;color:var(--muted)}.error{color:#c62828}.success{color:#16803c}.hidden{display:none!important}.shell{height:100%;max-width:1250px;margin:auto;background:#fff;display:flex;flex-direction:column}.bar{height:62px;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex:none}.brand{font-size:22px;font-weight:800}.bar-actions{display:flex;gap:8px}.icon-btn{border:0;background:transparent;color:inherit;font-size:21px;width:40px;height:40px;border-radius:50%;cursor:pointer}.icon-btn:hover{background:#ffffff18}.body{flex:1;min-height:0;display:grid;grid-template-columns:350px 1fr}.sidebar{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.searchbox{padding:10px;background:#f0f2f5}.searchbox input{width:100%;border:0;border-radius:8px;padding:11px 14px;background:#fff;outline:none}.tabs{display:flex;border-bottom:1px solid var(--line);height:48px}.tabs button{flex:1;border:0;background:#fff;color:var(--muted);font-weight:700}.tabs .on{color:var(--green);border-bottom:3px solid var(--green)}.list{overflow:auto;flex:1}.row{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid #f0f0f0;cursor:pointer;align-items:center}.row:hover{background:#f5f7f8}.avatar{width:48px;height:48px;border-radius:50%;background:#dfe5e7;display:grid;place-items:center;font-weight:800;color:#53636a;flex:none;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.row-main{min-width:0;flex:1}.row-top{display:flex;justify-content:space-between;gap:8px}.row-name{font-weight:700}.time{font-size:11px;color:var(--muted)}.preview{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.chat{min-width:0;display:flex;flex-direction:column;background:#efeae2}.chat-head{height:62px;background:#f0f2f5;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:7px 12px;gap:10px;flex:none}.chat-info{min-width:0;flex:1}.chat-name{font-weight:700}.chat-status{font-size:12px;color:var(--muted)}.messages{flex:1;overflow:auto;padding:18px 5%;background-color:#efeae2;background-image:radial-gradient(#d8d0c5 1px,transparent 1px);background-size:18px 18px}.bubble{max-width:min(70%,520px);padding:8px 10px;margin:5px 0;border-radius:8px;background:#fff;box-shadow:0 1px 1px #0001;display:block;clear:both;float:left;position:relative}.bubble.mine{float:right;background:var(--sent)}.bubble .meta{font-size:10px;color:#667781;float:right;margin:5px 0 0 10px;display:flex;gap:3px;align-items:center}.ticks{color:#53bdeb;font-weight:800}.composer{display:flex;align-items:center;gap:7px;background:#f0f2f5;padding:8px 10px;flex:none}.compose-input{flex:1;border:0;border-radius:20px;padding:12px 15px;outline:none;font-size:15px}.send-btn{width:44px;height:44px;border-radius:50%;border:0;background:var(--green2);color:#fff;font-size:18px}.empty-chat{height:100%;display:grid;place-items:center;color:#667781;text-align:center}.call-screen{padding:25px}.card{background:#fff;border-radius:14px;padding:18px;margin-bottom:12px;box-shadow:0 2px 8px #0001}.profile-panel{padding:18px}.profile-big{width:90px;height:90px;border-radius:50%;background:#dfe5e7;display:grid;place-items:center;font-size:30px;font-weight:800;margin-bottom:12px}.modal{position:fixed;inset:0;background:#0006;display:grid;place-items:center;z-index:20}.modal-card{width:min(420px,92vw);background:#fff;border-radius:16px;padding:20px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}@media(max-width:750px){.body{grid-template-columns:1fr}.chat{display:none}.body.chat-open .sidebar{display:none}.body.chat-open .chat{display:flex}.sidebar{border-right:0}.bar{height:58px}.messages{padding:14px 3%}.bubble{max-width:82%}}@media(min-width:751px){.back{display:none!important}}
.card{background:#fff;border:1px solid #e6e6e6;border-radius:12px;padding:14px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
a.btn{text-decoration:none;display:block;text-align:center}