:root{--ink:#172033;--muted:#718096;--line:#e7ebf2;--bg:#f5f7fb;--card:#fff;--blue:#3867f4;--blue-soft:#eef2ff;--green:#16a36a;--amber:#d98918;--shadow:0 10px 30px #1f305212}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{cursor:pointer;border:0}.loading{min-height:100vh;color:var(--muted);place-items:center;display:grid}.login-wrap{background:linear-gradient(135deg,#f6f8ff,#eef5f2);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--card);width:min(420px,100%);box-shadow:var(--shadow);border-radius:22px;padding:36px}.brand{align-items:center;gap:11px;display:flex}.brand span,.brand-mark{background:var(--blue);color:#fff;border-radius:12px;place-items:center;width:38px;height:38px;font-weight:800;display:grid}.brand strong,.brand small{display:block}.brand small{color:var(--muted);margin-top:2px;font-size:11px}.login-card h1{margin:36px 0 8px;font-size:27px}.login-card p{color:var(--muted);margin:0 0 24px;line-height:1.55}.login-card label{color:#495468;margin:14px 0;font-size:13px;font-weight:700;display:block}.login-card input{border:1px solid var(--line);border-radius:10px;outline:0;width:100%;margin-top:7px;padding:12px 13px;display:block}.login-card input:focus,.search input:focus,.composer input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3867f41c}.primary{background:var(--blue);color:#fff;border-radius:10px;width:100%;margin-top:10px;padding:13px;font-weight:700}.error{color:#bd3030;background:#fff0f0;border-radius:9px;padding:10px;font-size:13px}.demo-note{color:var(--muted);text-align:center;margin-top:18px;display:block}.app-shell{height:100vh;display:flex;overflow:hidden}.sidebar{color:#dbe5ff;background:#101a2e;flex-direction:column;flex:0 0 236px;width:236px;height:100vh;padding:22px 14px;display:flex;overflow:hidden}.sidebar .brand{padding:0 10px 38px}.sidebar .brand span{color:var(--blue);background:#fff}.sidebar nav{gap:7px;display:grid}.nav-item{color:#9eacc6;text-align:left;background:0 0;border-radius:10px;align-items:center;gap:12px;padding:12px;display:flex}.nav-item.active,.nav-item:hover{color:#fff;background:#243451}.nav-item b{color:#fff;background:#3a6bf4;border-radius:20px;margin-left:auto;padding:2px 7px;font-size:11px}.sidebar-bottom{margin-top:auto}.connection{color:#9eacc6;margin-bottom:17px;padding:12px 9px;font-size:11px}.connection i{background:#22c77b;border-radius:50%;width:7px;height:7px;margin-right:7px;display:inline-block}.user{border-top:1px solid #293650;align-items:center;gap:10px;padding:18px 7px 0;display:flex}.avatar{background:#6279d8;border-radius:50%;place-items:center;width:32px;height:32px;font-size:11px;font-weight:800;display:grid}.user strong,.user small{display:block}.user strong{font-size:12px}.user small{color:#98a7c1;margin-top:3px;font-size:10px}.main{flex-direction:column;flex:1;min-width:0;height:100vh;padding:28px 30px;display:flex;overflow:hidden}.topbar{justify-content:space-between;align-items:center;display:flex}.eyebrow{color:var(--blue);letter-spacing:.12em;margin:0 0 5px;font-size:11px;font-weight:800}.topbar h1{margin:0;font-size:25px}.secure{color:var(--green);font-size:12px;font-weight:700}.stats{flex:none;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0;display:grid}.stat{background:var(--card);border-radius:14px;align-items:center;gap:13px;padding:18px;display:flex;box-shadow:0 2px 10px #17203308}.stat-icon{border-radius:11px;place-items:center;width:38px;height:38px;font-size:21px;display:grid}.stat-icon.blue{color:var(--blue);background:#e9efff}.stat-icon.amber{color:var(--amber);background:#fff4df}.stat-icon.green{color:var(--green);background:#e8faf2}.stat-icon.violet{color:#805ddd;background:#f1ecff}.stat small,.stat strong{display:block}.stat small{color:var(--muted);font-size:11px}.stat strong{margin-top:5px;font-size:20px}.workspace{background:var(--card);min-height:0;box-shadow:var(--shadow);border-radius:16px;flex:1;grid-template-columns:320px minmax(380px,1fr) 260px;display:grid;overflow:hidden}.inbox-panel,.profile-panel{border-right:1px solid var(--line);min-height:0}.profile-panel{border-right:0;border-left:1px solid var(--line)}.inbox-head{border-bottom:1px solid var(--line);padding:17px}.tabs{gap:3px;margin-bottom:14px;display:flex}.tab{color:var(--muted);background:0 0;border-radius:7px;padding:7px 9px;font-size:12px}.tab.active{background:var(--blue-soft);color:var(--blue);font-weight:700}.search{border:1px solid var(--line);color:var(--muted);border-radius:8px;align-items:center;gap:7px;padding:8px 10px;display:flex}.search input{border:0;outline:0;width:100%;font-size:12px}.inbox-panel{flex-direction:column;display:flex}.inbox-panel .list{flex:1;min-height:0;overflow:auto}.conversation{text-align:left;background:0 0;border-bottom:1px solid #f0f2f6;gap:10px;width:100%;padding:15px 16px;display:flex}.conversation:hover,.conversation.selected{background:#f6f8ff}.contact-avatar{width:37px;height:37px;color:var(--blue);background:#e7edff;border-radius:12px;flex:0 0 37px;place-items:center;font-size:12px;font-weight:800;display:grid}.conv-body{flex:1;min-width:0}.conv-top{justify-content:space-between;gap:5px;display:flex}.conv-top b{font-size:13px}.conv-top small,.conv-preview{color:var(--muted);font-size:11px}.conv-preview{white-space:nowrap;text-overflow:ellipsis;margin:5px 0 8px;display:block;overflow:hidden}.conv-tags{gap:5px;display:flex}.badge{border-radius:5px;padding:3px 6px;font-size:9px;font-weight:800}.badge.ai{color:#3867f4;background:#eaf1ff}.badge.human{color:#b87510;background:#fff1d8}.badge.closed{color:#738095;background:#edf0f4}.badge.open{color:#19865a;background:#eaf8f1}.chat-panel{flex-direction:column;min-width:0;min-height:0;display:flex}.chat-header{border-bottom:1px solid var(--line);align-items:center;gap:11px;padding:17px 20px;display:flex}.chat-heading{flex:1}.chat-heading b,.chat-heading small{display:block}.chat-heading b{font-size:14px}.chat-heading small{color:var(--muted);margin-top:4px;font-size:11px}.mode-toggle{background:#f1f3f7;border-radius:8px;padding:3px;display:flex}.mode-toggle button{color:var(--muted);background:0 0;border-radius:6px;padding:7px 9px;font-size:11px}.mode-toggle button.active.ai{color:var(--blue);background:#fff;box-shadow:0 2px 5px #17203312}.mode-toggle button.active.human{color:#b87510;background:#fff;box-shadow:0 2px 5px #17203312}.human-alert{color:#9b6716;background:#fff7e8;padding:9px 20px;font-size:11px}.messages{background:#fbfcfe;flex:1;min-height:0;padding:23px 24px;overflow:hidden auto}.msg{flex-direction:column;max-width:77%;margin:10px 0;display:flex}.msg.in{align-items:flex-start}.msg.out{align-items:flex-end;margin-left:auto}.bubble{background:#fff;border-radius:12px;padding:11px 13px;font-size:13px;line-height:1.45;box-shadow:0 2px 7px #1720330a}.msg.out .bubble{background:var(--blue);color:#fff}.msg small{color:#9aa5b7;margin-top:4px;font-size:10px}.composer{border-top:1px solid var(--line);background:var(--card);flex:none;gap:8px;padding:14px 17px;display:flex}.composer input{border:1px solid var(--line);border-radius:9px;outline:0;flex:1;padding:11px 12px;font-size:12px}.composer button{background:var(--blue);color:#fff;border-radius:9px;padding:0 17px;font-size:12px;font-weight:700}.composer button:disabled{opacity:.45}.profile-header{text-align:center;border-bottom:1px solid var(--line);padding:29px 15px 22px}.profile-header .contact-avatar{width:55px;height:55px;margin:auto;font-size:16px}.profile-header h2{margin:12px 0 4px;font-size:16px}.profile-header p,.muted{color:var(--muted);margin:0;font-size:11px}.profile-section{border-bottom:1px solid var(--line);padding:19px}.profile-section h3{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 14px;font-size:11px}.profile-line{justify-content:space-between;gap:8px;margin:11px 0;font-size:11px;display:flex}.profile-line span{color:var(--muted)}.profile-line b{font-size:11px}.tag{color:var(--blue);background:#edf2ff;border-radius:6px;margin:0 4px 4px 0;padding:5px 8px;font-size:10px;display:inline-block}.empty-state{text-align:center;color:var(--muted);margin:auto;padding:30px}.empty-state h2{color:var(--ink);margin:14px 0 7px;font-size:16px}.empty-state p{margin:0;font-size:12px;line-height:1.5}.empty-icon{background:var(--blue-soft);width:54px;height:54px;color:var(--blue);border-radius:50%;place-items:center;margin:auto;font-size:25px;display:grid}.empty-state.compact{margin-top:120px}.toast{color:#fff;box-shadow:var(--shadow);background:#14213a;border-radius:9px;padding:12px 16px;font-size:12px;position:fixed;bottom:24px;right:24px}@media (max-width:1100px){.workspace{grid-template-columns:290px minmax(350px,1fr)}.profile-panel{display:none}}@media (max-width:760px){.sidebar{width:65px;padding:18px 8px}.sidebar .brand div,.sidebar nav span,.sidebar nav b,.sidebar-bottom{display:none}.sidebar .brand{padding:0 5px 30px}.nav-item{justify-content:center}.main{padding:18px 12px}.stats{grid-template-columns:repeat(2,1fr)}.workspace{grid-template-columns:1fr;min-height:650px}.inbox-panel{border-right:0}.chat-panel{min-height:560px}.inbox-panel .list{max-height:310px;overflow:auto}.topbar h1{font-size:20px}.secure{display:none}}