:root{--bg:#f4f5f7;--panel:#fff;--border:#e2e5ea;--text:#1d2330;--muted:#6b7385;--accent:#2563eb;--accent-soft:#e8efff;--danger:#c62828;--note:#fff7d6;--note-border:#f0d77a;--online:#16a34a;--away:#f59e0b;--radius:8px;color:var(--text);background:var(--bg);font-family:Noto Sans Bengali,Hind Siliguri,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit;color:inherit}.splash,.empty-state{height:100%;min-height:120px;color:var(--muted);text-align:center;justify-content:center;align-items:center;padding:24px;display:flex}.splash{height:100vh}.primary{background:var(--accent);color:#fff;border-radius:var(--radius);border:0;padding:8px 14px}.primary:disabled{opacity:.6;cursor:default}.secondary{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:6px 12px}.link-button{color:var(--accent);background:0 0;border:0;padding:4px 6px}.form-error{color:var(--danger);margin:0}.login{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:14px;width:min(360px,92vw);padding:28px;display:flex}.login-head{justify-content:space-between;align-items:center;display:flex}.login-card h1{margin:0;font-size:20px}.login-card h2{color:var(--muted);margin:0;font-size:15px;font-weight:500}.login-card label{flex-direction:column;gap:4px;display:flex}.login-card input{border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px}.app{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 16px;display:flex}.topbar-right{align-items:center;gap:12px;display:flex}.connection-banner{color:#7a5b00;text-align:center;background:#fff3cd;padding:4px;font-size:13px}.panes{flex:1;grid-template-columns:340px minmax(0,1fr) 300px;min-height:0;display:grid}.pane{background:var(--panel);flex-direction:column;min-height:0;display:flex}.list-pane{border-right:1px solid var(--border)}.sidebar-pane{border-left:1px solid var(--border);overflow-y:auto}.conversation-pane{background:var(--bg)}.dot{background:#c4c9d2;border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.dot.online{background:var(--online)}.dot.away{background:var(--away)}.status-select{align-items:center;gap:6px;display:flex}.status-select select{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);padding:3px 6px}.filters{border-bottom:1px solid var(--border);flex-direction:column;gap:8px;padding:10px;display:flex}.filters input[type=search]{border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:7px 10px}.filter-row{grid-template-columns:1fr 1fr;gap:6px;display:grid}.filter-row select{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);width:100%;padding:5px}.conversation-list{flex:1;margin:0;padding:0;list-style:none;overflow-y:auto}.conversation-item{text-align:left;border:0;border-bottom:1px solid var(--border);background:0 0;flex-direction:column;gap:3px;width:100%;padding:10px 12px;display:flex}.conversation-item:hover{background:#f8f9fb}.conversation-item.selected{background:var(--accent-soft)}.conversation-item .row{align-items:center;gap:6px;min-width:0;display:flex}.conversation-item .name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:600;overflow:hidden}.conversation-item.unread .name{font-weight:700}.conversation-item .time{color:var(--muted);flex-shrink:0;font-size:12px}.conversation-item .preview{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.conversation-item.unread .preview{color:var(--text)}.badge{background:var(--accent);color:#fff;border-radius:10px;flex-shrink:0;padding:0 7px;font-size:12px;line-height:18px}.tag{color:var(--muted);border:1px solid var(--border);white-space:nowrap;border-radius:4px;flex-shrink:0;padding:0 5px;font-size:11px}.tag.status-open{color:var(--accent);border-color:#bcd0ff}.tag.status-resolved{color:var(--online);border-color:#b7e4c7}.viewing{color:var(--away);font-size:12px}.list-footer{text-align:center;color:var(--muted);padding:10px}.conversation-header{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;display:flex}.conversation-header h2{margin:0;font-size:15px}.conversation-header .actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.conversation-header select{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);padding:5px}.viewers-banner{color:#8a5a00;background:#fff7e6;border-bottom:1px solid #f3dfb5;padding:4px 14px;font-size:13px}.messages{flex-direction:column;flex:1;gap:6px;padding:14px;display:flex;overflow-y:auto}.message{flex-direction:column;gap:2px;max-width:72%;display:flex}.message.inbound{align-self:flex-start}.message.outbound{align-self:flex-end;align-items:flex-end}.bubble{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:8px 12px}.message.outbound .bubble{background:var(--accent);color:#fff;border-color:var(--accent)}.message.note .bubble{background:var(--note);color:var(--text);border:1px dashed var(--note-border)}.message.failed .bubble{opacity:.7;border-color:var(--danger)}.message .meta{color:var(--muted);align-items:center;gap:6px;font-size:11px;display:flex}.message .meta .error{color:var(--danger)}.system-message{color:var(--muted);text-align:center;background:#eceef2;border-radius:10px;align-self:center;padding:3px 10px;font-size:12px}.day-divider{color:var(--muted);align-self:center;margin:8px 0;font-size:12px}.typing{color:var(--muted);min-height:20px;padding:2px 14px 6px;font-size:12px}.attachments{flex-direction:column;gap:4px;display:flex}.attachment-image{border:1px solid var(--border);border-radius:8px;max-width:260px;max-height:220px;display:block}.attachment-file{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;align-items:center;gap:6px;padding:6px 10px;text-decoration:none;display:inline-flex}.composer{background:var(--panel);border-top:1px solid var(--border);padding:8px 12px 10px;position:relative}.composer.note-mode{background:var(--note)}.composer-tabs{gap:4px;margin-bottom:6px;display:flex}.composer-tabs button{color:var(--muted);background:0 0;border:0;border-radius:6px;padding:3px 8px}.composer-tabs button.active{background:var(--accent-soft);color:var(--accent)}.composer.note-mode .composer-tabs button.active{background:var(--note-border);color:var(--text)}.composer textarea{resize:none;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);width:100%;min-height:60px;max-height:200px;padding:8px 10px}.composer-bar{justify-content:space-between;align-items:center;gap:8px;margin-top:6px;display:flex}.composer-tools{align-items:center;gap:4px;display:flex}.icon-button{border:1px solid var(--border);background:var(--panel);border-radius:6px;padding:3px 8px}.hint{color:var(--muted);font-size:12px}.popover{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);z-index:10;max-height:260px;position:absolute;bottom:100%;left:12px;overflow-y:auto;box-shadow:0 6px 24px #0000001f}.emoji-grid{grid-template-columns:repeat(8,32px);padding:6px;display:grid}.emoji-grid button{background:0 0;border:0;border-radius:6px;padding:2px;font-size:20px}.emoji-grid button:hover{background:var(--bg)}.canned-list{width:min(460px,80vw);margin:0;padding:4px;list-style:none}.canned-list li button{text-align:left;background:0 0;border:0;border-radius:6px;width:100%;padding:6px 8px;display:block}.canned-list li button.active,.canned-list li button:hover{background:var(--accent-soft)}.canned-list .shortcut{margin-right:8px;font-weight:600}.canned-list .body{color:var(--muted)}.pending-files{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.pending-file{border:1px solid var(--border);background:var(--panel);border-radius:6px;align-items:center;gap:6px;padding:2px 6px;font-size:12px;display:inline-flex}.pending-file.error{border-color:var(--danger);color:var(--danger)}.sidebar-section{border-bottom:1px solid var(--border);padding:14px}.sidebar-section h3{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px;font-size:12px}.contact-name{align-items:center;gap:6px;font-size:16px;font-weight:600;display:flex}.facts{grid-template-columns:auto 1fr;gap:4px 10px;margin:0;display:grid}.facts dt{color:var(--muted)}.facts dd{overflow-wrap:anywhere;margin:0}.history-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.history-list button{text-align:left;border:1px solid var(--border);background:var(--panel);border-radius:6px;flex-direction:column;gap:2px;width:100%;padding:6px 8px;display:flex}.history-list button.current{border-color:var(--accent)}.canned-manager{margin:0;padding:0;list-style:none}.canned-manager li{justify-content:space-between;align-items:flex-start;gap:6px;padding:4px 0;display:flex}.canned-form{flex-direction:column;gap:6px;margin-top:8px;display:flex}.canned-form input,.canned-form textarea{border:1px solid var(--border);border-radius:6px;padding:5px 8px}@media (width<=1100px){.panes{grid-template-columns:300px minmax(0,1fr)}.sidebar-pane{display:none}}.modal-backdrop{z-index:50;background:#0f141e59;justify-content:center;align-items:flex-start;padding:6vh 16px;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border-radius:12px;width:min(640px,100%);max-height:86vh;overflow-y:auto;box-shadow:0 12px 40px #0003}.modal-head{justify-content:space-between;align-items:center;padding:14px 14px 0;display:flex}.modal-head h2{margin:0;font-size:17px}.modal>.hint{padding:0 14px}.app{--i-bg:#f5f6fa;--i-panel:#fff;--i-border:#e8eaf0;--i-text:#0f172a;--i-muted:#64748b;--i-accent:#4f46e5;--i-accent-2:#6366f1;--i-accent-soft:#eef2ff;--i-ring:#4f46e52e;--i-online:#22c55e;background:var(--i-bg);color:var(--i-text);font-synthesis-weight:none;-webkit-font-smoothing:antialiased}.app .avatar{color:#fff;letter-spacing:.02em;-webkit-user-select:none;user-select:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;line-height:1;display:inline-flex;position:relative}.app .avatar-dot{background:#cbd5e1;border:2px solid #fff;border-radius:50%;width:28%;min-width:9px;height:28%;min-height:9px;position:absolute;bottom:-1px;right:-1px}.app .avatar-dot.online{background:var(--i-online)}.app .topbar{background:var(--i-panel);border-bottom:1px solid var(--i-border);gap:16px;height:56px;padding:0 16px 0 14px}.app .topbar-left{align-items:center;gap:20px;min-width:0;display:flex}.app .brand{letter-spacing:-.01em;align-items:center;gap:9px;font-size:15px;font-weight:700;display:inline-flex}.app .brand-mark{color:#fff;background:linear-gradient(135deg, var(--i-accent-2), #8b5cf6);border-radius:9px;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex;box-shadow:0 2px 8px #6366f159}.app .view-switch{background:#f1f2f6;border-radius:10px;gap:4px;padding:3px;display:flex}.app .view-switch button{color:var(--i-muted);background:0 0;border:0;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:13.5px;font-weight:500;display:inline-flex}.app .view-switch button[aria-current=true]{background:var(--i-panel);color:var(--i-text);font-weight:600;box-shadow:0 1px 3px #0f172a1a}.app .view-switch button[aria-current=true] .icon{color:var(--i-accent)}.app .topbar-right{gap:8px}.app .topbar-right>.link-button{color:var(--i-muted);border-radius:8px;padding:6px 8px;font-size:13px}.app .topbar-right>.link-button:hover{color:var(--i-text);background:#f1f2f6}.app .icon-button{border:1px solid var(--i-border);background:var(--i-panel);width:36px;height:36px;color:var(--i-muted);border-radius:10px;justify-content:center;align-items:center;padding:0;font-size:16px;display:inline-flex}.app .icon-button:hover{color:var(--i-text);background:#f6f7fa}.app .status-select{border:1px solid var(--i-border);background:var(--i-panel);border-radius:999px;align-items:center;gap:8px;padding:3px 4px;display:inline-flex}.app .status-select .agent-name{font-size:13.5px;font-weight:600}.app .status-select select{color:var(--i-text);background:#f1f2f6;border:0;border-radius:999px;padding:4px 8px;font-size:12.5px}.app .connection-banner{color:#92400e;background:#fffbeb;border-bottom:1px solid #fde68a;padding:6px;font-size:13px}.app .panes{background:var(--i-bg);grid-template-columns:360px minmax(0,1fr) 320px}.app .pane{background:var(--i-panel)}.app .list-pane{border-right:1px solid var(--i-border)}.app .sidebar-pane{border-left:1px solid var(--i-border);background:#fbfbfd}.app .conversation-pane{background:var(--i-bg)}.app .empty-state{color:var(--i-muted)}.app .inbox-empty{flex-direction:column;gap:14px;font-size:14.5px}.app .empty-icon{width:64px;height:64px;color:var(--i-accent);background:var(--i-accent-soft);border-radius:20px;justify-content:center;align-items:center;display:inline-flex}.app .filters{border-bottom:1px solid var(--i-border);background:var(--i-panel);gap:8px;padding:14px 14px 10px}.app .filters input[type=search],.app .filter-row select{border:1px solid var(--i-border);color:var(--i-text);background:#f7f8fb;border-radius:10px;padding:8px 12px;font-size:13.5px}.app .filters input[type=search]{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");background-position:11px;background-repeat:no-repeat;padding-left:34px}.app .filters input[type=search]:focus,.app .filter-row select:focus,.app .composer textarea:focus{border-color:var(--i-accent);box-shadow:0 0 0 4px var(--i-ring);background-color:#fff;outline:none}.app .filter-row select{padding:6px 10px;font-size:13px}.app .conversation-list{padding:6px}.app .conversation-item{text-align:left;background:0 0;border:0;border-radius:12px;flex-direction:row;align-items:flex-start;gap:12px;margin-bottom:2px;padding:12px;transition:background .12s;display:flex}.app .conversation-item:hover{background:#f6f7fa}.app .conversation-item.selected{background:var(--i-accent-soft);box-shadow:inset 3px 0 0 var(--i-accent)}.app .item-body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.app .conversation-item .row{align-items:center;gap:6px;min-width:0;display:flex}.app .conversation-item .name{min-width:0;color:var(--i-text);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14.5px;font-weight:600;overflow:hidden}.app .conversation-item .time{color:var(--i-muted);flex-shrink:0;font-size:12px}.app .conversation-item .preview{min-width:0;color:var(--i-muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13.5px;overflow:hidden}.app .conversation-item.unread .preview{color:var(--i-text);font-weight:500}.app .conversation-item .badge{background:var(--i-accent);color:#fff;text-align:center;border-radius:999px;min-width:20px;height:20px;padding:0 6px;font-size:11.5px;font-weight:700;line-height:20px}.app .channel-icon{flex-shrink:0;font-size:13px}.app .row.tags{flex-wrap:wrap;gap:4px;margin-top:3px}.app .tag{color:var(--i-muted);background:#f1f2f6;border:0;border-radius:6px;padding:2px 7px;font-size:11px;font-weight:500}.app .tag.status-open{color:#047857;background:#ecfdf5}.app .tag.status-pending{color:#b45309;background:#fffbeb}.app .tag.status-resolved{color:#64748b;background:#f1f5f9}.app .viewing{color:var(--i-accent);font-size:11px}.app .conversation-header{background:var(--i-panel);border-bottom:1px solid var(--i-border);gap:16px;min-height:68px;padding:12px 20px}.app .conversation-header .who{align-items:center;gap:12px;min-width:0;display:flex}.app .conversation-header h2{margin:0 0 2px;font-size:16px;font-weight:650}.app .conversation-header .hint{font-size:12.5px}.app .conversation-header .actions{gap:8px}.app .conversation-header .actions>.tag{display:none}.app .conversation-header button,.app .conversation-header select{border:1px solid var(--i-border);background:var(--i-panel);color:var(--i-text);border-radius:10px;padding:7px 12px;font-size:13.5px;font-weight:500}.app .conversation-header button:hover{background:#f6f7fa}.app .conversation-header .primary{background:var(--i-accent);border-color:var(--i-accent);color:#fff;font-weight:600;box-shadow:0 1px 2px #4f46e54d}.app .conversation-header .primary:hover{background:#4338ca}.app .viewers-banner{background:var(--i-accent-soft);color:#3730a3;border:0;font-size:13px}.app .messages{background:radial-gradient(circle at 1px 1px, #0f172a0b 1px, transparent 0) 0 0 / 22px 22px, var(--i-bg);gap:0;padding:20px 24px 12px}.app .day-divider{border:1px solid var(--i-border);color:var(--i-muted);background:#ffffffe6;border-radius:999px;align-self:center;margin:14px 0 10px;padding:3px 12px;font-size:12px;font-weight:500}.app .day-divider:before,.app .day-divider:after{display:none}.app .message{flex-direction:row;align-items:flex-end;gap:8px;max-width:min(72%,640px);margin:0 0 14px;display:flex}.app .message.continued{margin-bottom:3px}.app .message.inbound{align-self:flex-start}.app .message.outbound{flex-direction:row-reverse;align-self:flex-end}.app .message-avatar{flex-shrink:0;width:28px}.app .message-body{flex-direction:column;min-width:0;display:flex}.app .message.outbound .message-body{align-items:flex-end}.app .message .bubble{white-space:pre-wrap;overflow-wrap:anywhere;border:0;border-radius:18px;padding:9px 14px;font-size:14.5px;line-height:1.5;box-shadow:0 1px 2px #0f172a0f}.app .message.inbound .bubble{color:var(--i-text);background:#fff;border-bottom-left-radius:6px}.app .message.inbound.continued .bubble{border-top-left-radius:6px;border-bottom-left-radius:18px}.app .message.outbound .bubble{background:linear-gradient(135deg, var(--i-accent-2), var(--i-accent));color:#fff;border-bottom-right-radius:6px}.app .message.outbound.continued .bubble{border-top-right-radius:6px;border-bottom-right-radius:18px}.app .message.note .bubble{color:#713f12;box-shadow:none;background:#fef9c3;border:1px dashed #facc15}.app .message.failed .bubble{opacity:.75;outline:2px solid #fca5a5}.app .message .meta{color:var(--i-muted);flex-wrap:wrap;gap:6px;margin-top:4px;padding:0 4px;font-size:11.5px;display:flex}.app .message.continued .meta{display:none}.app .message.failed .meta,.app .message.continued.failed .meta{display:flex}.app .message .meta .error{color:#dc2626}.app .message .meta .link-button{padding:0 4px;font-size:11.5px}.app .system-message{color:var(--i-muted);background:#f1f5f9f2;border-radius:999px;align-self:center;margin:8px 0 12px;padding:4px 12px;font-size:12px}.app .attachments{gap:6px;margin-top:4px}.app .attachment-image{border-radius:14px;box-shadow:0 1px 3px #0f172a1f}.app .attachment-file{border:1px solid var(--i-border);background:#fff;border-radius:12px}.app .typing{color:var(--i-accent);min-height:20px;padding:0 28px 4px;font-size:12.5px;font-style:italic}.app .composer{border:1px solid var(--i-border);background:var(--i-panel);border-radius:16px;margin:4px 16px 16px;padding:8px 10px 10px;box-shadow:0 4px 18px #0f172a12}.app .composer.note-mode{background:#fffdf0;border-color:#fde68a}.app .composer-tabs{border:0;gap:2px;padding:0 2px 6px}.app .composer-tabs button{color:var(--i-muted);background:0 0;border:0;border-radius:8px;padding:4px 10px;font-size:13px;font-weight:500}.app .composer-tabs button.active{background:var(--i-accent-soft);color:var(--i-accent);font-weight:600}.app .composer.note-mode .composer-tabs button.active{color:#92400e;background:#fef3c7}.app .composer textarea{min-height:48px;box-shadow:none;background:0 0;border:0;border-radius:10px;padding:8px 6px;font-size:14.5px;line-height:1.5}.app .composer textarea:focus{box-shadow:none;background:0 0;border:0}.app .composer:focus-within{box-shadow:0 0 0 4px var(--i-ring), 0 4px 18px #0f172a12;border-color:#c7cbfa}.app .composer-bar{align-items:center;gap:8px;padding-top:4px}.app .composer-tools{gap:4px}.app .composer-tools .icon-button{background:0 0;border:0;width:32px;height:32px}.app .composer-tools .icon-button:hover{background:#f1f2f6}.app .composer-bar .hint{font-size:11.5px}.app .composer-bar .primary{background:var(--i-accent);border-radius:10px;padding:8px 18px;font-weight:600;box-shadow:0 1px 2px #4f46e54d}.app .composer-bar .primary:disabled{box-shadow:none;opacity:1;background:#c7cbe8}.app .popover{border:1px solid var(--i-border);border-radius:14px;box-shadow:0 12px 32px 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