:root{--primary-grad:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-grad:linear-gradient(135deg, #25d366 0%, #128c7e 100%);--accent-color:#667eea;--bg-dark-radial:radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);--bg-dark-linear:linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 100%);--text-light:#fff;--text-muted:#ffffffb3;--border-light:#ffffff1a;--card-bg:#ffffff0d;--sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--sans);color:var(--text-light);background-color:#000;position:relative;overflow-x:hidden}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#0f0f0f}::-webkit-scrollbar-thumb{background:#2a2a3e;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}.section{contain:layout style;flex-direction:column;justify-content:center;min-height:100vh;padding:100px 20px 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var(--admin-border);align-items:center;gap:12px;padding:14px 16px;transition:background .15s;display:flex;position:relative}.admin-conv-item:hover{background:#ffffff08}.admin-conv-item.active{background:#6c63ff1a}.admin-conv-avatar{background:linear-gradient(135deg, var(--admin-accent), var(--admin-accent2));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;font-weight:700;display:flex}.admin-conv-info{flex:1;min-width:0}.admin-conv-name{color:var(--admin-text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.admin-conv-preview{color:var(--admin-text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12px;overflow:hidden}.admin-conv-status{border-radius:50%;flex-shrink:0;width:8px;height:8px}.admin-chat-view{flex-direction:column;display:flex}.admin-chat-empty{color:var(--admin-text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.admin-chat-empty-icon{opacity:.3;font-size:48px}.admin-chat-header{border-bottom:1px solid var(--admin-border);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.admin-chat-client{align-items:center;gap:12px;display:flex}.admin-chat-client-name{color:var(--admin-text);font-size:14px;font-weight:700}.admin-chat-client-email{color:var(--admin-text-muted);font-size:12px}.admin-chat-actions{align-items:center;gap:10px;display:flex}.admin-status-badge{color:#fff;text-transform:uppercase;border-radius:20px;padding:3px 10px;font-size:11px;font-weight:700}.admin-close-conv-btn{color:#fca5a5;cursor:pointer;background:#ef44441a;border:1px solid #ef44444d;border-radius:8px;padding:6px 14px;font-size:12px;transition:background .15s}.admin-close-conv-btn:hover{background:#ef444433}.admin-messages-area{flex-direction:column;flex:1;gap:12px;padding:20px;display:flex;overflow-y:auto}.admin-msg{display:flex}.admin-msg-client{justify-content:flex-start}.admin-msg-attendant{justify-content:flex-end}.admin-msg-system{justify-content:center}.admin-msg-bubble{border-radius:14px;max-width:70%;padding:10px 14px;font-size:13px}.admin-msg-client .admin-msg-bubble{background:var(--admin-surface2);border:1px solid var(--admin-border);color:var(--admin-text);border-bottom-left-radius:4px}.admin-msg-attendant .admin-msg-bubble{background:linear-gradient(135deg, var(--admin-accent), #7c3aed);color:#fff;border-bottom-right-radius:4px}.admin-msg-system .admin-msg-bubble{color:var(--admin-text-muted);background:#ffffff0d;border-radius:20px;font-size:11px}.admin-msg-time{opacity:.6;text-align:right;margin-top:4px;font-size:10px}.admin-reply-form{border-top:1px solid var(--admin-border);flex-shrink:0;gap:10px;padding:14px 20px;display:flex}.admin-reply-input{background:var(--admin-surface2);border:1px solid var(--admin-border);color:var(--admin-text);border-radius:10px;outline:none;flex:1;padding:11px 16px;font-size:14px;transition:border-color .2s}.admin-reply-input:focus{border-color:var(--admin-accent)}.admin-reply-input::placeholder{color:var(--admin-text-muted)}.admin-reply-btn{background:linear-gradient(135deg, var(--admin-accent), #7c3aed);color:#fff;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;transition:opacity .2s,transform .1s;display:flex}.admin-reply-btn:hover:not(:disabled){opacity:.85;transform:scale(1.05)}.admin-reply-btn:disabled{opacity:.4;cursor:not-allowed}.admin-chat-filter{gap:6px;display:flex}.admin-filter-btn{border:1px solid var(--admin-border);color:var(--admin-text-muted);cursor:pointer;background:0 0;border-radius:20px;padding:6px 16px;font-size:12px;font-weight:600;transition:all .15s}.admin-filter-btn.active,.admin-filter-btn:hover{border-color:var(--admin-accent);color:var(--admin-accent);background:#6c63ff26}.admin-messages-layout{background:var(--admin-surface);border:1px solid var(--admin-border);border-radius:var(--admin-radius);height:calc(100vh - var(--admin-header-h) - 120px);grid-template-columns:340px 1fr;gap:0;min-height:500px;display:grid;overflow:hidden}.admin-msg-list{border-right:1px solid var(--admin-border);overflow-y:auto}.admin-msg-row{cursor:pointer;border-bottom:1px solid var(--admin-border);gap:12px;padding:14px 16px;transition:background .15s;display:flex}.admin-msg-row:hover{background:#ffffff08}.admin-msg-row.active{background:#6c63ff1a}.admin-msg-row.unread{border-left:3px solid var(--admin-accent)}.admin-msg-row-avatar{color:#fff;background:linear-gradient(135deg,#06b6d4,#3b82f6);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:15px;font-weight:700;display:flex}.admin-msg-row-info{flex:1;min-width:0}.admin-msg-row-name{color:var(--admin-text);align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.admin-unread-dot{background:var(--admin-accent);border-radius:50%;width:7px;height:7px;display:inline-block}.admin-msg-row-preview{color:var(--admin-text-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:12px;overflow:hidden}.admin-msg-row-date{color:var(--admin-text-muted);margin-top:4px;font-size:11px}.admin-msg-detail{flex-direction:column;display:flex;overflow-y:auto}.admin-msg-detail-card{flex-direction:column;gap:20px;padding:28px;display:flex}.admin-msg-detail-header{border-bottom:1px solid var(--admin-border);justify-content:space-between;align-items:flex-start;padding-bottom:16px;display:flex}.admin-msg-detail-from{flex-direction:column;gap:6px;display:flex}.admin-msg-detail-from strong{color:var(--admin-text);font-size:16px;font-weight:700}.admin-msg-email,.admin-msg-phone{color:var(--admin-accent2);font-size:13px;text-decoration:none}.admin-msg-email:hover,.admin-msg-phone:hover{text-decoration:underline}.admin-msg-detail-date{color:var(--admin-text-muted);font-size:12px}.admin-msg-detail-body{color:var(--admin-text);background:var(--admin-surface2);border:1px solid var(--admin-border);white-space:pre-wrap;border-radius:10px;padding:16px 20px;font-size:14px;line-height:1.7}.admin-reply-email-btn{background:linear-gradient(135deg, var(--admin-accent), #7c3aed);color:#fff;border-radius:10px;align-items:center;gap:8px;width:fit-content;padding:10px 20px;font-size:13px;font-weight:600;text-decoration:none;transition:opacity .2s;display:inline-flex}.admin-reply-email-btn:hover{opacity:.85}.admin-empty{color:var(--admin-text-muted);justify-content:center;align-items:center;padding:40px;font-size:14px;display:flex}@media (width<=768px){.admin-layout{flex-direction:column}.admin-sidebar{border-right:none;border-bottom:1px solid var(--admin-border);z-index:20;height:auto;max-height:100vh;transition:max-height .3s;position:relative;width:100%!important}.sidebar-collapsed .admin-sidebar{max-height:70px}.admin-sidebar-brand{height:70px;padding:15px 20px}.admin-collapse-btn{transition:transform .3s;transform:rotate(-90deg)}.sidebar-collapsed .admin-collapse-btn{transform:rotate(90deg)}.admin-nav-label,.admin-user-details,.admin-logout-btn span:nth-child(2){display:inline-block!important}.sidebar-collapsed .admin-nav-label,.sidebar-collapsed .admin-user-details,.sidebar-collapsed .admin-logout-btn span:nth-child(2){display:none!important}.admin-header{padding:0 16px}.admin-content{padding:16px}.admin-stats-grid{grid-template-columns:1fr}.admin-chat-layout,.admin-messages-layout{flex-direction:column;grid-template-columns:1fr;height:calc(100vh - 200px);display:flex}.admin-conv-list,.admin-msg-list{border-right:none;border-bottom:1px solid var(--admin-border);flex-shrink:0;max-height:40vh}.admin-chat-view,.admin-msg-detail{flex-direction:column;flex:1;min-height:0;display:flex}.admin-msg-bubble{line-height:1.5;max-width:85%!important;padding:12px 16px!important;font-size:15px!important}.admin-reply-form{background:var(--admin-surface);padding:16px!important}.admin-reply-form input{border-radius:24px!important;padding:12px 16px!important;font-size:16px!important}.admin-reply-form button{border-radius:24px!important;padding:12px 20px!important;font-size:15px!important}.admin-settings-container{flex-direction:column!important}.admin-settings-sidebar{margin-bottom:20px;width:100%!important}.admin-login-card{margin:20px;padding:30px 20px}}