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strong{color:var(--nexa-text);font-size:13px;font-weight:700}.contact-time{color:#8291a7;font-size:10px;font-weight:500}.contact-message-row{margin-top:4px}.contact-last-message{color:#718096;font-size:11px;line-height:1.35}.unread-badge{background:var(--nexa-primary);border:2px solid #fff;box-shadow:0 2px 6px #2563eb33}.presence{font-size:10px;font-weight:650}.contact .presence{margin-top:5px}.presence.online{color:#16a34a}.presence.away{color:#d97706}.presence.busy{color:#dc2626}.presence.offline{color:#94a3b8}.conversation{border:1px solid var(--nexa-border-soft);box-shadow:var(--nexa-shadow);background:#f8fafc;border-radius:16px;overflow:hidden}.conversation-header{z-index:5;background:#fffffffa;border-bottom:1px solid #edf2f7;gap:12px;height:72px;min-height:72px;padding:0 20px;position:relative;box-shadow:0 2px 10px #0f172a06}.conversation-header strong{color:var(--nexa-text);font-size:14px;font-weight:720}.conversation-header 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#e6edf5;width:10px;height:10px;position:absolute;bottom:-1px;left:-6px;transform:skew(-26deg)}.message-row.outgoing .message-bubble:after{content:"";background:#1e5fe5;width:10px;height:10px;position:absolute;bottom:0;right:-5px;transform:skew(26deg)}.message-bubble small{margin-top:5px;font-size:9px;font-weight:500;line-height:1}.message-row.incoming .message-bubble small{color:#8291a7}.message-row.outgoing .message-bubble small{color:#ffffffc7}.message-form{background:#fffffffc;border-top:1px solid #edf2f7;gap:12px;min-height:74px;padding:13px 16px;box-shadow:0 -4px 18px #0f172a06}.message-form input{height:46px;color:var(--nexa-text);background:#fbfdff;border:1px solid #d8e2ee;border-radius:13px;padding:0 16px;font-size:13px;box-shadow:inset 0 1px 2px #0f172a04}.message-form input::placeholder{color:#8da0b9}.message-form input:hover{border-color:#c6d4e4}.message-form input:focus{background:#fff;border-color:#7eabfa;box-shadow:0 0 0 3px #2563eb17}.message-form button{background:linear-gradient(135deg,#2f6ff2 0%,#2563eb 100%);border-radius:12px;min-width:92px;height:46px;padding:0 20px;font-size:12px;font-weight:700;box-shadow:0 5px 14px #2563eb33}.message-form button:hover{background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);box-shadow:0 6px 16px #2563eb3d}.empty-state{color:var(--nexa-muted)}.empty-state h2{color:var(--nexa-text);margin-bottom:6px;font-size:18px;font-weight:720}.empty-state p{color:#7b8ba1;font-size:12px}.sidebar::-webkit-scrollbar{width:7px}.messages::-webkit-scrollbar{width:7px}.sidebar::-webkit-scrollbar-thumb{background:#d6dfeb padding-box padding-box;border:2px solid #0000;border-radius:999px}.messages::-webkit-scrollbar-thumb{background:#d6dfeb padding-box padding-box;border:2px solid #0000;border-radius:999px}.sidebar::-webkit-scrollbar-thumb:hover{background:#b8c5d6}.messages::-webkit-scrollbar-thumb:hover{background:#b8c5d6}@media (width<=1100px){.sidebar{width:280px;min-width:280px}.messages{padding:22px 24px 18px}.message-bubble{max-width:70%}}@media (width<=800px){.topbar{height:60px;min-height:60px;padding:0 14px}.chat-layout{gap:8px;height:calc(100vh - 60px);padding:8px}.sidebar{border-radius:13px;width:220px;min-width:220px;padding:14px 8px}.sidebar h2{font-size:16px}.contact{padding:9px 8px}.avatar{width:38px;min-width:38px;height:38px}.conversation{border-radius:13px}.conversation-header{height:64px;min-height:64px;padding:0 14px}.messages{padding:18px 16px}.message-bubble{max-width:78%}.message-form{padding:10px 12px}}.message-form{flex-direction:column;align-items:stretch;gap:8px}.message-form-row{align-items:center;gap:10px;width:100%;display:flex}.attachment-file-input{display:none}.message-form .attachment-button{color:#475569;width:46px;min-width:46px;height:46px;box-shadow:none;background:#f8fafc;border:1px solid #d8e2ee;border-radius:12px;justify-content:center;align-items:center;padding:0;font-size:20px;display:flex}.message-form .attachment-button:hover{color:#2563eb;box-shadow:none;background:#eef5ff;border-color:#bfdbfe}.message-form .message-text-input{flex:1}.message-form .message-send-button{min-width:92px}.attachment-preview{background:linear-gradient(135deg,#f8fbff 0%,#f4f8fd 100%);border:1px solid #dbe7f5;border-radius:12px;align-items:center;gap:12px;width:100%;min-height:66px;padding:9px 11px;display:flex}.attachment-preview-image{object-fit:cover;background:#fff;border:1px solid #dbe7f5;border-radius:9px;flex-shrink:0;width:54px;height:54px}.attachment-file-icon{background:#fff;border:1px solid #dbe7f5;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:23px;display:flex}.attachment-preview-info{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.attachment-preview-info strong{white-space:nowrap;text-overflow:ellipsis;color:#0f172a;font-size:12px;font-weight:650;overflow:hidden}.attachment-preview-info span{color:#64748b;font-size:10px}.message-form .attachment-remove{color:#64748b;width:30px;min-width:30px;height:30px;box-shadow:none;background:#fff;border:1px solid #d8e2ee;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:18px;font-weight:400;display:flex}.message-form .attachment-remove:hover{color:#dc2626;box-shadow:none;background:#fff1f2;border-color:#fecdd3}.attachment-error{color:#b91c1c;background:#fff7f7;border:1px solid #fecaca;border-radius:8px;width:100%;padding:7px 10px;font-size:10px;font-weight:600}@media (width<=800px){.message-form-row{gap:7px}.message-form .attachment-button{width:42px;min-width:42px;height:42px}.message-form .message-send-button{min-width:76px;padding:0 14px}}.message-attachment{border-radius:10px;align-items:center;gap:10px;margin-top:6px;text-decoration:none;display:flex;overflow:hidden}.message-attachment.file{background:#ffffffc7;border:1px solid #94a3b847;min-width:220px;padding:10px}.outgoing .message-attachment.file{background:#ffffff29;border-color:#ffffff47}.message-attachment-icon{background:#ffffffe6;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:20px;display:flex}.message-attachment-info{flex-direction:column;gap:2px;min-width:0;display:flex}.message-attachment-info strong{white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.message-attachment-info small{opacity:.72;font-size:9px}.message-attachment.image{background:0 0;max-width:320px;display:block}.message-attachment.image img{object-fit:cover;border-radius:10px;width:100%;max-height:300px;display:block}.message-attachment.file{border-radius:14px;gap:12px;min-width:250px;max-width:340px;padding:12px;transition:transform .15s,box-shadow .15s,border-color .15s}.message-attachment.file:hover{border-color:#2563eb47;transform:translateY(-1px);box-shadow:0 5px 14px #0f172a14}.outgoing .message-attachment.file:hover{border-color:#ffffff73;box-shadow:0 5px 14px #0f172a24}.message-attachment-icon{border-radius:11px;width:44px;height:44px;font-size:23px}.message-attachment-info{flex:1;gap:3px}.message-attachment-info strong{max-width:220px;font-size:12px;font-weight:650}.message-attachment-info small{font-size:9px}.message-attachment-action{opacity:.8;margin-top:2px;font-size:9px;font-weight:650}.message-attachment.image{background:0 0;border-radius:14px;width:min(360px,100%);max-width:360px;overflow:hidden}.message-image-card{background:#ffffffe6;border:1px solid #94a3b838;border-radius:14px;overflow:hidden}.outgoing .message-image-card{background:#ffffff1f;border-color:#fff3}.message-image-card img{object-fit:cover;width:100%;max-height:340px;display:block}.message-image-meta{justify-content:space-between;align-items:center;gap:12px;padding:8px 10px;display:flex}.message-image-meta span{white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:10px;font-weight:600;overflow:hidden}.message-image-meta small{opacity:.72;flex-shrink:0;font-size:9px}@media (width<=800px){.message-attachment.file{width:100%;min-width:0;max-width:100%}.message-attachment.image{width:100%;max-width:100%}}.attachment-preview-list{flex-direction:column;gap:7px;width:100%;max-height:280px;padding-right:2px;display:flex;overflow-y:auto}.attachment-preview-summary{color:#64748b;justify-content:space-between;align-items:center;gap:12px;padding:0 3px;font-size:10px;font-weight:600;display:flex}.message-form .attachment-clear-all{color:#64748b;width:auto;min-width:0;height:auto;box-shadow:none;background:0 0;border:0;padding:3px 7px;font-size:9px;font-weight:600}.message-form .attachment-clear-all:hover{color:#dc2626;box-shadow:none;background:#fff1f2}.attachment-preview-list .attachment-preview{flex-shrink:0}.message-attachment-wrap{margin-top:6px;display:block;position:relative}.message-attachment-wrap .message-attachment{margin-top:0}.message-attachment-delete{z-index:3;color:#64748b;opacity:0;background:#ffffffeb;border:1px solid #94a3b859;border-radius:9px;justify-content:center;align-items:center;width:30px;min-width:30px;height:30px;padding:0;font-size:14px;transition:opacity .15s,background .15s,color .15s;display:flex;position:absolute;top:7px;right:7px;box-shadow:0 2px 7px #0f172a14}.message-attachment-wrap:hover .message-attachment-delete{opacity:1}.message-attachment-delete:hover{color:#dc2626;background:#fff1f2;border-color:#fecdd3}.message-attachment-delete:disabled{cursor:wait;opacity:.65}.outgoing .message-attachment-delete{border-color:#ffffff6b}@media (width<=800px){.message-attachment-delete{opacity:1}}