*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f3f4f6;color:#1f2933}.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4f46e5,#6366f1)}.login-card{background:#fff;padding:40px;border-radius:16px;box-shadow:0 20px 60px #00000040;width:340px;display:flex;flex-direction:column;gap:14px}.login-card h1{font-size:20px;margin:0}.login-subtitle{font-size:13px;color:#6b7280;margin:0 0 8px}.login-card label{display:flex;flex-direction:column;font-size:13px;gap:6px;color:#374151}.login-card input{padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px}.login-card button{margin-top:8px;padding:11px;border:none;border-radius:8px;background:#4f46e5;color:#fff;font-weight:600;cursor:pointer}.login-card button:disabled{opacity:.6;cursor:default}.login-error{color:#dc2626;font-size:13px}.dashboard{height:100vh;display:flex}.sidebar{width:320px;flex-shrink:0;background:#fff;border-right:1px solid #e5e7eb;display:flex;flex-direction:column}.sidebar-header{padding:16px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e7eb}.operator-name{font-weight:600;font-size:14px}.operator-login{font-size:12px;color:#9ca3af}.logout-btn{border:1px solid #e5e7eb;background:#fff;border-radius:6px;padding:6px 10px;font-size:12px;cursor:pointer;color:#4b5563}.chat-area{flex:1;display:flex;flex-direction:column}.empty-state{flex:1;display:flex;align-items:center;justify-content:center;color:#9ca3af;font-size:14px}.chat-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.chat-list-empty{padding:24px;color:#9ca3af;font-size:13px;text-align:center}.chat-list-item{display:flex;gap:10px;padding:12px 16px;cursor:pointer;border-bottom:1px solid #f3f4f6}.chat-list-item:hover{background:#f9fafb}.chat-list-item.active{background:#eef2ff}.chat-avatar{width:40px;height:40px;border-radius:50%;background:#6366f1;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.chat-list-item-body{flex:1;min-width:0}.chat-list-item-top{display:flex;justify-content:space-between;font-size:13px}.chat-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-time{color:#9ca3af;font-size:11px;flex-shrink:0}.chat-list-item-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:2px}.chat-preview{font-size:12px;color:#6b7280;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread-badge{background:#ef4444;color:#fff;font-size:11px;border-radius:999px;padding:1px 7px;flex-shrink:0;margin-left:6px}.chat-window{display:flex;flex-direction:column;height:100%}.chat-window-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff;border-bottom:1px solid #e5e7eb}.chat-window-header-info{min-width:0}.chat-username{font-size:12px;color:#9ca3af;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.back-btn{display:none;border:none;background:transparent;font-size:20px;line-height:1;cursor:pointer;padding:4px 6px 4px 0;color:#4b5563;flex-shrink:0}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:6px}.msg-row{display:flex}.msg-row.out{justify-content:flex-end}.msg-bubble{max-width:60%;padding:8px 12px;border-radius:12px;font-size:14px;line-height:1.4}.msg-bubble.in{background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:2px}.msg-bubble.out{background:#4f46e5;color:#fff;border-bottom-right-radius:2px}.msg-bubble.sticker-bubble{background:transparent;border:none;padding:0}.msg-text{white-space:pre-wrap;word-break:break-word}.msg-meta{display:flex;justify-content:flex-end;gap:4px;font-size:10px;opacity:.7;margin-top:4px}.msg-image,.msg-video{max-width:260px;border-radius:8px;display:block;margin-bottom:4px}.msg-sticker{max-width:140px;display:block}.msg-audio{display:block;max-width:260px}.attachment-fallback{font-size:12px;opacity:.8;margin-bottom:4px}.attachment-file{display:inline-block;margin-bottom:4px;color:inherit;text-decoration:underline}.chat-error{color:#dc2626;font-size:12px;padding:4px 16px}.chat-input-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#fff;border-top:1px solid #e5e7eb}.chat-input-bar input[type=text]{flex:1;padding:10px 12px;border:1px solid #d1d5db;border-radius:999px;font-size:14px}.attach-btn,.mic-btn,.send-btn{border:none;background:#f3f4f6;border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:16px;flex-shrink:0}.send-btn{width:auto;padding:0 16px;background:#4f46e5;color:#fff;font-size:13px;font-weight:600}.send-btn:disabled,.attach-btn:disabled,.mic-btn:disabled{opacity:.5;cursor:default}.recorder-active{display:flex;align-items:center;gap:8px;background:#fee2e2;border-radius:999px;padding:6px 12px;flex-shrink:0}.recorder-dot{width:8px;height:8px;border-radius:50%;background:#ef4444;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.recorder-time{font-size:12px;color:#991b1b;min-width:34px}.recorder-cancel,.recorder-send{border:none;background:transparent;cursor:pointer;font-size:14px}.admin-shell{height:100vh;display:flex;flex-direction:column}.admin-header{display:flex;align-items:center;gap:20px;padding:12px 20px;background:#fff;border-bottom:1px solid #e5e7eb;flex-shrink:0}.admin-header-left{min-width:0}.admin-tabs{display:flex;gap:6px;flex:1}.admin-tabs button{border:1px solid #e5e7eb;background:#f9fafb;border-radius:999px;padding:7px 16px;font-size:13px;cursor:pointer;color:#4b5563}.admin-tabs button.active{background:#4f46e5;border-color:#4f46e5;color:#fff;font-weight:600}.admin-body{flex:1;min-height:0;display:flex;flex-direction:column}.admin-body .dashboard{height:100%}.admin-panel{padding:20px;overflow-y:auto;flex:1}.admin-create-form{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:16px;margin-bottom:16px}.admin-create-form h3{margin:0 0 10px;font-size:14px}.admin-form-row{display:flex;gap:8px;flex-wrap:wrap}.admin-form-row input,.admin-form-row select{padding:9px 10px;border:1px solid #d1d5db;border-radius:8px;font-size:13px}.admin-form-row input{flex:1;min-width:160px}.admin-form-row button{border:none;background:#4f46e5;color:#fff;border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer}.credentials-banner{background:#ecfdf5;border:1px solid #a7f3d0;border-radius:10px;padding:12px 16px;margin-bottom:16px;font-size:13px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;justify-content:space-between}.credentials-note{color:#047857;font-size:12px;width:100%}.credentials-banner button{border:1px solid #a7f3d0;background:#fff;border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}.operators-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden;font-size:13px}.operators-table th,.operators-table td{padding:10px 14px;text-align:left;border-bottom:1px solid #f3f4f6}.operators-table th{background:#f9fafb;font-weight:600;color:#4b5563;font-size:12px}.operators-actions{display:flex;gap:6px;flex-wrap:wrap}.operators-actions button{border:1px solid #e5e7eb;background:#fff;border-radius:6px;padding:6px 10px;font-size:12px;cursor:pointer;color:#374151}.operators-actions button:disabled{opacity:.4;cursor:default}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.status-dot.active{background:#22c55e}.status-dot.inactive{background:#d1d5db}.admin-filter-row{padding:12px 16px;border-bottom:1px solid #e5e7eb}.admin-filter-row select{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px;font-size:13px}.chat-operator-badge{font-size:11px;color:#6366f1;margin-top:2px}@media (max-width: 768px){.dashboard{position:relative;overflow:hidden}.sidebar{width:100%;position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;transition:transform .2s ease}.chat-area{width:100%;position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;transform:translate(100%);transition:transform .2s ease;background:#f3f4f6}.dashboard.mobile-chat-open .sidebar{transform:translate(-100%)}.dashboard.mobile-chat-open .chat-area{transform:translate(0)}.back-btn{display:block}.empty-state{display:none}.chat-input-bar input[type=text],.login-card input,.admin-form-row input,.admin-form-row select{font-size:16px}.msg-bubble{max-width:82%}.msg-image,.msg-video,.msg-audio{max-width:100%}.login-card{width:100%;max-width:340px;padding:28px 24px;margin:0 16px}.chat-input-bar{padding:10px 12px;gap:6px}.attach-btn,.mic-btn{width:36px;height:36px}.send-btn{padding:0 12px}.admin-header{flex-wrap:wrap;gap:10px;padding:10px 14px}.admin-tabs{order:3;width:100%}.admin-tabs button{flex:1}.admin-body .dashboard{position:relative}.admin-panel{padding:12px}.admin-form-row{flex-direction:column}.operators-table{display:block;overflow-x:auto;white-space:nowrap}}@media (max-width: 420px){.msg-bubble{max-width:88%;font-size:13px}.chat-window-header{padding:10px 12px}.sidebar-header{padding:12px}}