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pulse}@keyframes pulse{50%{opacity:.5}}.chat-list-empty{text-align:center;color:var(--text-muted);padding:60px 20px;font-size:14px;line-height:1.8}.chat-main{background:var(--bg-chat);flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.no-chat-selected{color:var(--text-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;animation:.4s fadeIn;display:flex}.zchat-logo{letter-spacing:-4px;-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#3b82f6,#8b5cf6,#ec4899);-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:72px;font-weight:800}.zchat-subtitle{color:var(--text-muted);letter-spacing:3px;text-transform:uppercase;margin-bottom:20px;font-size:14px;font-weight:500}.zchat-hint{color:var(--text-muted);opacity:.5;font-size:14px}.chat-active{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.chat-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:20;background:#09090bfa;flex-shrink:0;align-items:center;gap:12px;width:100%;min-height:60px;padding:12px 16px;display:flex}.chat-header-info{flex:1;min-width:0}.chat-username{white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:700;line-height:1.3;overflow:hidden}.chat-header-sub{align-items:center;gap:10px;margin-top:2px;display:flex}.status-text{color:var(--text-muted);font-size:12px}.status-text.online{color:var(--success);font-weight:500}.typing-inline{color:var(--accent);align-items:center;gap:5px;font-size:11px;font-style:italic;display:inline-flex}.typing-dots-inline{align-items:center;gap:2px;display:inline-flex}.typing-dots-inline i{background:var(--accent);border-radius:50%;width:4px;height:4px;animation:1.4s infinite typingBounce;display:block}.typing-dots-inline i:nth-child(2){animation-delay:.2s}.typing-dots-inline i:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.chat-header-actions{gap:4px;display:flex}.messages-container{flex-direction:column;flex:1;gap:6px;width:100%;min-height:0;padding:16px;display:flex;overflow-y:auto}.message-wrapper{flex-direction:column;max-width:75%;display:flex;position:relative}.message-wrapper.sent{align-self:flex-end;align-items:flex-end}.message-wrapper.received{align-self:flex-start;align-items:flex-start}.message-sender-name{color:var(--accent);margin-bottom:2px;margin-left:12px;font-size:11px;font-weight:600}.message-bubble{word-wrap:break-word;border-radius:20px;max-width:100%;padding:10px 16px;font-size:14px;line-height:1.5}.sent .message-bubble{background:var(--bg-message-sent);color:#fff;border-bottom-right-radius:6px}.received .message-bubble{background:var(--bg-message-received);color:var(--text-primary);border:1px solid var(--border-color);border-bottom-left-radius:6px}.message-link{color:#93c5fd;text-underline-offset:2px;transition:all var(--transition);word-break:break-all;cursor:pointer;-webkit-text-decoration:underline #93c5fd66;text-decoration:underline #93c5fd66}.message-link:hover{color:#bfdbfe;text-decoration-color:#93c5fd}.sent .message-link{color:#bfdbfe}.sent .message-link:hover{color:#fff}.message-actions-row{gap:8px;margin-top:4px;padding:0 4px;display:flex}.message-action-btn-sm{color:var(--text-muted);cursor:pointer;transition:all var(--transition);background:0 0;border:none;border-radius:6px;align-items:center;gap:4px;padding:2px 6px;font-family:inherit;font-size:11px;display:flex}.message-action-btn-sm:hover{color:var(--text-primary);background:#ffffff0d}.message-meta{align-items:center;gap:8px;margin-top:4px;padding:0 4px;display:flex}.message-time{color:var(--text-muted);font-size:11px}.message-edited{color:var(--text-muted);font-size:11px;font-style:italic}.message-seen{color:var(--accent);align-items:center;gap:3px;font-size:11px;font-weight:500;display:flex}.message-input-area{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border-color);background:#09090bf2;flex-shrink:0;align-items:center;gap:12px;width:100%;padding:12px 16px;display:flex}.message-input-area input{border:1px solid var(--border-color);border-radius:var(--radius-full);background:var(--bg-secondary);color:var(--text-primary);transition:all var(--transition);outline:none;flex:1;padding:12px 20px;font-family:inherit;font-size:14px}.message-input-area input:focus{border-color:var(--accent);background:var(--bg-tertiary)}.message-input-area input::placeholder{color:var(--text-muted)}.search-page{background:var(--bg-primary);z-index:60;flex-direction:column;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.search-page-header{border-bottom:1px solid var(--border-color);flex-shrink:0;align-items:center;gap:12px;padding:16px;display:flex}.search-page-header h3{font-size:20px;font-weight:700}.search-page-input-wrapper{flex-shrink:0;padding:16px}.search-page-input{border:1px solid var(--border-color);border-radius:var(--radius-full);background:var(--bg-secondary);width:100%;color:var(--text-primary);transition:all var(--transition);outline:none;padding:14px 20px;font-family:inherit;font-size:15px}.search-page-input:focus{border-color:var(--accent);background:var(--bg-tertiary)}.search-page-input::placeholder{color:var(--text-muted)}.search-page-results{flex:1;padding:0 16px;overflow-y:auto}.search-result-item{border-bottom:1px solid #ffffff0a;align-items:center;gap:12px;padding:14px 0;display:flex}.search-result-avatar{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:16px;font-weight:700;display:flex}.search-result-info{flex:1;min-width:0}.search-result-name{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.search-result-username{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:13px;overflow:hidden}.search-no-results{text-align:center;color:var(--text-muted);padding:40px 20px;font-size:14px}.request-sent-label{color:var(--success);white-space:nowrap;font-size:13px;font-weight:600}.modal{z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;justify-content:center;align-items:center;width:100%;height:100%;animation:.2s fadeIn;display:flex;position:fixed;top:0;left:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;width:90%;max-width:440px;max-height:80vh;padding:28px;animation:.2s scaleIn;overflow-y:auto}.modal-content h3{margin-bottom:16px;font-size:20px;font-weight:700}.modal-content textarea{border:2px solid var(--border-color);border-radius:var(--radius);resize:vertical;width:100%;color:var(--text-primary);background:var(--bg-tertiary);transition:border-color var(--transition);outline:none;padding:12px 16px;font-family:inherit;font-size:15px}.modal-content textarea:focus{border-color:var(--accent)}.modal-actions{justify-content:flex-end;gap:12px;margin-top:20px;display:flex}.settings-panel{padding:20px}.settings-group{margin-bottom:24px}.settings-group-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-size:12px;font-weight:600}.settings-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.settings-item-info{flex:1}.settings-item-label{font-size:14px;font-weight:600}.settings-item-value{color:var(--text-muted);margin-top:2px;font-size:13px}.context-menu{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);min-width:180px;padding:6px;animation:.15s scaleIn;box-shadow:0 8px 32px #0006}.context-menu-item{width:100%;color:var(--text-primary);cursor:pointer;transition:background var(--transition);background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-family:inherit;font-size:14px;display:flex}.context-menu-item:hover{background:#ffffff1a}.context-menu-item-danger{color:var(--danger)}.context-menu-item-danger:hover{background:#ef44441a}.context-menu-divider{background:var(--border-color);height:1px;margin:4px 0}.requests-section{border-bottom:1px solid var(--border-color);background:#2563eb08;padding:12px 16px}.requests-title{color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;font-size:12px;font-weight:600}.request-item{border-bottom:1px solid #ffffff0a;align-items:center;gap:12px;padding:10px 0;display:flex}.request-item:last-child{border-bottom:none}.request-avatar{background:linear-gradient(135deg,var(--accent),#7c3aed);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}.request-info{flex:1;min-width:0}.request-name{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.request-username{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.request-actions{gap:8px;display:flex}.request-btn{cursor:pointer;width:32px;height:32px;transition:all var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.request-btn-accept{color:var(--success);background:#22c55e26}.request-btn-accept:hover{background:#22c55e4d}.request-btn-decline{color:var(--danger);background:#ef444426}.request-btn-decline:hover{background:#ef44444d}.mobile-bottom-nav{background:var(--bg-secondary);border-top:1px solid var(--border-color);z-index:50;padding:8px 0;padding-bottom:max(8px,env(safe-area-inset-bottom));display:none;position:fixed;bottom:0;left:0;right:0}.mobile-bottom-nav-inner{justify-content:space-around;align-items:center;display:flex}.mobile-nav-item{color:var(--text-muted);cursor:pointer;border-radius:var(--radius);transition:all var(--transition);background:0 0;border:none;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;font-family:inherit;display:flex;position:relative}.mobile-nav-item.active{color:var(--accent)}.mobile-nav-item span{font-size:10px;font-weight:500}.mobile-nav-badge{background:var(--success);border-radius:50%;width:8px;height:8px;position:absolute;top:4px;right:10px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}@media (max-width:968px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.sidebar-wrapper{z-index:20;width:100%;min-width:100%;height:100vh;position:absolute;top:0;left:0}.sidebar-wrapper.hidden-mobile{display:none}.sidebar-wrapper.visible{display:block}.chat-main-wrapper{z-index:15;width:100%;height:100vh;position:absolute;top:0;left:0}.chat-main-wrapper:not(.visible-mobile){display:none}.btn-back-sidebar{display:flex!important}.btn-back-chat{width:44px;height:44px}.mobile-bottom-nav{display:block}.message-wrapper{max-width:85%}.messages-container{padding:12px}.hero-title{font-size:36px}.hero-cta{flex-direction:column;align-items:center}.hero-section{padding:120px 20px 60px}.features-section{padding:60px 20px}.features-grid{grid-template-columns:1fr}.hero-stats{flex-wrap:wrap}.landing-nav{padding:12px 16px}.chat-list-avatar{width:44px;height:44px;font-size:16px}.zchat-logo{font-size:52px}}@media (max-width:480px){.auth-container,.setup-container{padding:24px 16px}.hero-title{letter-spacing:-1px;font-size:28px}.zchat-logo{font-size:44px}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}