:root{--pc-primary:#2563eb;--pc-bg:#f5f7fb;--pc-border:#e4e8f0;--pc-text:#172033;--pc-muted:#6b7280;--pc-green:#22c55e;--pc-danger:#ef4444}
.perfex-chat-page-heading{margin-bottom:16px}.perfex-chat-client-page{padding-top:24px;padding-bottom:40px}
.pc-shell{display:grid;grid-template-columns:320px minmax(0,1fr);height:calc(100vh - 190px);min-height:560px;background:#fff;border:1px solid var(--pc-border);border-radius:12px;overflow:hidden;box-shadow:0 8px 28px rgba(30,41,59,.08);color:var(--pc-text)}
.pc-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--pc-border);min-width:0}.pc-sidebar-head{padding:16px;border-bottom:1px solid var(--pc-border)}
.pc-sidebar-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.pc-sidebar-title strong{font-size:18px}.pc-icon-btn,.pc-primary-btn{border:0;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.pc-icon-btn{width:34px;height:34px;background:#eef2ff;color:var(--pc-primary)}.pc-primary-btn{background:var(--pc-primary);color:#fff;padding:9px 13px;font-weight:600}
.pc-search{width:100%;border:1px solid var(--pc-border);border-radius:8px;padding:10px 12px;outline:0}.pc-search:focus,.pc-composer textarea:focus{border-color:var(--pc-primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.pc-conversations{overflow:auto;flex:1}.pc-conversation{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:10px;padding:12px 14px;border-bottom:1px solid #f0f2f6;cursor:pointer}.pc-conversation:hover,.pc-conversation.active{background:#eff6ff}.pc-avatar{width:44px;height:44px;border-radius:50%;background:#dbeafe;color:#1d4ed8;display:flex;align-items:center;justify-content:center;font-weight:700;position:relative;overflow:hidden}.pc-avatar img{width:100%;height:100%;object-fit:cover}.pc-presence{position:absolute;right:0;bottom:1px;width:11px;height:11px;border:2px solid #fff;border-radius:50%;background:#9ca3af}.pc-presence.online{background:#22c55e}.pc-presence.away{background:#f59e0b}.pc-presence.busy{background:#ef4444}.pc-conv-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pc-conv-preview{font-size:12px;color:var(--pc-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.pc-unread{min-width:21px;height:21px;padding:0 6px;border-radius:12px;background:var(--pc-primary);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center}.pc-time{font-size:11px;color:#9ca3af;white-space:nowrap}
.pc-main{display:flex;flex-direction:column;min-width:0;background:#fff}.pc-chat-head{height:72px;padding:12px 18px;border-bottom:1px solid var(--pc-border);display:flex;align-items:center;justify-content:space-between}.pc-chat-person{display:flex;align-items:center;gap:11px}.pc-chat-title{font-weight:700;font-size:16px}.pc-chat-status{font-size:12px;color:var(--pc-muted);margin-top:2px}.pc-head-actions{display:flex;gap:6px}
.pc-messages{flex:1;overflow:auto;padding:22px;background:linear-gradient(180deg,#f8fafc,#f4f7fb)}.pc-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--pc-muted);text-align:center}.pc-empty-icon{font-size:54px;margin-bottom:12px}.pc-message-row{display:flex;gap:8px;margin:8px 0;align-items:flex-end}.pc-message-row.mine{justify-content:flex-end}.pc-message{max-width:min(72%,680px);position:relative}.pc-sender{font-size:11px;color:var(--pc-muted);margin:0 0 3px 7px}.pc-bubble{padding:10px 13px;border-radius:14px 14px 14px 4px;background:#fff;border:1px solid var(--pc-border);box-shadow:0 1px 2px rgba(0,0,0,.03);word-break:break-word}.mine .pc-bubble{background:var(--pc-primary);color:#fff;border-color:var(--pc-primary);border-radius:14px 14px 4px 14px}.pc-deleted{font-style:italic;opacity:.65}.pc-meta{display:flex;justify-content:flex-end;gap:5px;font-size:10px;margin-top:4px;opacity:.72}.pc-attachment img{max-width:360px;max-height:300px;border-radius:10px;cursor:zoom-in}.pc-attachment video{max-width:390px;border-radius:10px}.pc-attachment audio{max-width:310px}.pc-file-card{display:flex;align-items:center;gap:9px;padding:9px;background:rgba(255,255,255,.14);border-radius:8px;color:inherit!important}.pc-file-icon{font-size:26px}.pc-reactions{display:flex;gap:3px;flex-wrap:wrap;margin-top:4px}.pc-reaction{border:1px solid var(--pc-border);background:#fff;border-radius:12px;padding:2px 6px;font-size:12px;cursor:pointer}.pc-message-tools{display:none;position:absolute;top:-28px;right:0;background:#fff;border:1px solid var(--pc-border);border-radius:7px;box-shadow:0 3px 10px rgba(0,0,0,.1);z-index:3}.pc-message:hover .pc-message-tools{display:flex}.pc-message-tools button{border:0;background:transparent;padding:5px 7px;cursor:pointer;font-size:12px}.pc-forwarded{font-size:10px;opacity:.7;margin-bottom:4px}.pc-typing{height:22px;padding:0 18px;color:var(--pc-muted);font-size:12px;font-style:italic;background:#fff}
.pc-composer-wrap{border-top:1px solid var(--pc-border);background:#fff;padding:10px 14px}.pc-composer-tools{display:flex;gap:5px;margin-bottom:7px}.pc-composer{display:flex;gap:9px;align-items:flex-end}.pc-composer textarea{flex:1;min-height:43px;max-height:130px;resize:none;border:1px solid var(--pc-border);border-radius:12px;padding:11px 13px;outline:0}.pc-send{width:44px;height:44px;border-radius:50%;border:0;background:var(--pc-primary);color:#fff;cursor:pointer}.pc-drop-active{outline:3px dashed var(--pc-primary);outline-offset:-8px}
.pc-widget-root{position:relative;z-index:1040}.pc-widget-toggle{position:fixed;right:24px;bottom:24px;width:58px;height:58px;border:0;border-radius:50%;background:var(--pc-primary);color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35);z-index:1041;font-size:23px;cursor:pointer}.pc-widget-badge{position:absolute;right:-2px;top:-4px;background:var(--pc-danger);border:2px solid #fff;border-radius:12px;min-width:21px;height:21px;font-size:11px;display:flex;align-items:center;justify-content:center}.pc-widget{position:fixed;right:24px;bottom:92px;width:390px;height:590px;z-index:1040;display:none}.pc-widget.open{display:block}.pc-widget .pc-shell{height:100%;min-height:0;display:block}.pc-widget .pc-sidebar{height:100%}.pc-widget .pc-main{position:absolute;inset:0;display:none}.pc-widget.chat-open .pc-sidebar{display:none}.pc-widget.chat-open .pc-main{display:flex}.pc-back{display:none}.pc-widget .pc-back{display:inline-flex}
.pc-popover,.pc-modal{position:fixed;z-index:1060;background:#fff;border:1px solid var(--pc-border);box-shadow:0 12px 35px rgba(15,23,42,.22);border-radius:12px}.pc-popover{padding:10px;width:310px;max-height:300px;overflow:auto}.pc-emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}.pc-emoji-grid button{border:0;background:transparent;font-size:20px;padding:5px;cursor:pointer}.pc-modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1050;display:flex;align-items:center;justify-content:center}.pc-modal{position:relative;width:520px;max-width:calc(100vw - 30px);padding:20px}.pc-modal h4{margin:0 0 15px}.pc-form-row{margin-bottom:12px}.pc-form-row label{display:block;font-weight:600;margin-bottom:5px}.pc-form-row input,.pc-form-row select{width:100%;border:1px solid var(--pc-border);border-radius:8px;padding:10px}.pc-contact-results{max-height:220px;overflow:auto;border:1px solid var(--pc-border);border-radius:8px}.pc-contact-option{display:flex;align-items:center;gap:8px;padding:9px;border-bottom:1px solid #f1f3f6;cursor:pointer}.pc-selected{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.pc-chip{background:#eef2ff;color:#3730a3;padding:4px 8px;border-radius:12px;font-size:12px}.pc-lightbox{position:fixed;inset:0;z-index:1100;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;padding:30px}.pc-lightbox img,.pc-lightbox video{max-width:92vw;max-height:90vh}.pc-lightbox-close{position:absolute;right:25px;top:20px;color:#fff;font-size:32px;cursor:pointer}
.pc-media-embed{margin-top:8px}.pc-media-embed iframe{width:360px;max-width:100%;height:203px;border:0;border-radius:8px}.pc-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-height:430px;overflow:auto}.pc-gallery-grid img{width:100%;height:110px;object-fit:cover;border-radius:8px}.pc-gallery-grid .pc-file-card{color:var(--pc-text)!important;border:1px solid var(--pc-border)}.pc-mention{background:rgba(255,255,255,.22);border-radius:4px;padding:1px 3px}
.pc-message-row.mine .pc-bubble a{color:#fff;text-decoration:underline}.pc-bubble{overflow-wrap:anywhere}.pc-widget-toggle{width:auto;min-width:164px;height:52px;border-radius:10px;padding:0 14px;gap:9px;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:flex-start;background:#fff;color:var(--pc-text);border:1px solid var(--pc-border);box-shadow:0 5px 22px rgba(15,23,42,.18)}.pc-widget-toggle:hover,.pc-widget-toggle.active{background:#f8fafc}.pc-widget-toggle-icon{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--pc-primary);color:#fff;font-size:17px}.pc-widget-toggle-text{flex:1;text-align:left}.pc-widget-chevron{font-size:16px;color:var(--pc-muted)}.pc-widget-toggle .pc-widget-badge{right:34px;top:-7px}.pc-widget{bottom:84px;width:410px;height:620px;border-radius:12px;overflow:hidden;box-shadow:0 14px 42px rgba(15,23,42,.24)}
@media(max-width:768px){.pc-shell{grid-template-columns:1fr;height:72vh}.pc-main{display:none}.pc-shell.chat-open .pc-sidebar{display:none}.pc-shell.chat-open .pc-main{display:flex}.pc-back{display:inline-flex}.pc-widget{right:8px;bottom:76px;width:calc(100vw - 16px);height:72vh}.pc-widget-toggle{right:15px;bottom:15px}.pc-message{max-width:86%}.pc-gallery-grid{grid-template-columns:repeat(2,1fr)}}