:root{color-scheme:dark;--bg-primary: #313338;--bg-secondary: #2B2D31;--bg-tertiary: #1E1F22;--bg-floating: #383A40;--surface-chat-bubble-self: #5865F2;--surface-chat-bubble-other: #383A40;--surface-hover: rgba(255, 255, 255, .06);--surface-active: rgba(255, 255, 255, .1);--text-primary: #DBDEE1;--text-secondary: #B5BAC1;--text-muted: #6D6F78;--accent-primary: #5865F2;--accent-primary-hover: #4752C4;--accent-success: #23A559;--accent-warning: #F0B232;--accent-danger: #DA373C;--accent-info: #00A8FC;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .1s ease;--transition-normal: .15s ease;--transition-slow: .25s ease-in-out;--sidebar-width: 300px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;height:var(--vh, 100dvh)}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-tertiary);color:var(--text-primary);line-height:1.5;overflow:hidden}.app-container{display:grid;height:100%;width:100vw;grid-template-columns:var(--sidebar-width) 1fr}.mobile-menu-btn,.mobile-close-btn{display:none}@media (max-width: 768px){html,body{position:fixed;overflow:hidden;width:100%;height:100%}.app-container{grid-template-columns:1fr;position:fixed;top:0;left:0;right:0;bottom:0;height:var(--vh, 100dvh);width:100vw;overflow:hidden}.sidebar{position:absolute;z-index:100;transform:translate(-100%);transition:transform var(--transition-slow);width:100%!important;height:100%}.sidebar.open{transform:translate(0)}.mobile-menu-btn,.mobile-close-btn{display:inline-flex}}.sidebar{background-color:var(--bg-secondary);display:flex;flex-direction:column;height:100%;width:var(--sidebar-width);border-right:1px solid rgba(0,0,0,.2)}.sidebar-header{padding:var(--space-4);background-color:var(--bg-secondary);border-bottom:1px solid rgba(0,0,0,.2);display:flex;align-items:center;gap:var(--space-3);box-shadow:0 1px 2px #0000001a;z-index:2}.conversation-list{flex:1;overflow-y:auto;padding:var(--space-2)}.conversation-item{display:flex;align-items:center;padding:var(--space-2) var(--space-3);gap:var(--space-3);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.conversation-item:hover{background-color:var(--surface-hover)}.conversation-item.active{background-color:var(--surface-active)}.conversation-item-content{flex:1;overflow:hidden}.conversation-item-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-item-preview{font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-area{background-color:var(--bg-primary);display:flex;flex-direction:column;height:100%}.chat-header{padding:var(--space-3) var(--space-4);background-color:var(--bg-primary);border-bottom:1px solid rgba(0,0,0,.2);display:flex;align-items:center;justify-content:space-between;box-shadow:0 1px 2px #0000001a;z-index:2;flex-shrink:0}.message-list{flex:1;overflow-y:auto;padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}.message-wrapper{display:flex;flex-direction:column;max-width:70%}.message-wrapper.self{align-items:flex-end;align-self:flex-end}.message-wrapper.other{align-items:flex-start;align-self:flex-start}.message-bubble{padding:var(--space-2) var(--space-3);border-radius:var(--radius-lg);position:relative;word-wrap:break-word;animation:messageIn var(--transition-slow);display:flow-root}@keyframes messageIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-wrapper.self .message-bubble{background-color:var(--surface-chat-bubble-self);border-bottom-right-radius:var(--radius-sm)}.message-wrapper.other .message-bubble{background-color:var(--surface-chat-bubble-other);border-bottom-left-radius:var(--radius-sm)}.message-text{white-space:pre-wrap;word-wrap:break-word;display:inline}.message-meta{font-size:.72rem;color:var(--text-muted);display:inline-flex;gap:var(--space-1);align-items:center;float:right;margin-top:8px;margin-left:var(--space-2);vertical-align:bottom;position:relative;bottom:-2px;height:14px}.chat-input-container{padding:var(--space-4);background-color:var(--bg-primary);flex-shrink:0}.chat-input-wrapper{display:flex;background-color:var(--bg-floating);border-radius:var(--radius-lg);padding:var(--space-2) var(--space-4);gap:var(--space-2)}.chat-input{flex:1;background:none;border:none;color:var(--text-primary);font-family:inherit;font-size:1rem;resize:none;max-height:150px;padding:var(--space-2) 0;outline:none}.chat-input::placeholder{color:var(--text-muted)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-tertiary),#111214)}.auth-card{background:#31333899;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-8);border-radius:var(--radius-lg);width:100%;max-width:480px;box-shadow:0 8px 32px #0000004d;border:1px solid var(--border-subtle)}.auth-title{font-size:1.5rem;font-weight:600;margin-bottom:var(--space-2);text-align:center}.auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:var(--space-6)}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-2);text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:var(--space-3);background-color:var(--bg-tertiary);border:1px solid rgba(0,0,0,.3);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--accent-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);font-family:inherit;font-weight:500;cursor:pointer;border:none;transition:background var(--transition-fast)}.btn-primary{background-color:var(--accent-primary);color:#fff;width:100%}.btn-primary:hover{background-color:var(--accent-primary-hover)}.btn-icon{background:none;color:var(--text-secondary);padding:var(--space-2);border-radius:50%;cursor:pointer}.btn-icon:hover{background-color:var(--surface-hover);color:var(--text-primary)}.auth-link{color:var(--accent-info);text-decoration:none;font-size:.9rem}.auth-link:hover{text-decoration:underline}.avatar{border-radius:50%;background-color:var(--accent-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:500;position:relative;flex-shrink:0}.avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.avatar-sm{width:32px;height:32px;font-size:.9rem}.avatar-md{width:40px;height:40px;font-size:1rem}.avatar-lg{width:48px;height:48px;font-size:1.2rem}.status-dot{position:absolute;bottom:0;right:0;width:12px;height:12px;border-radius:50%;border:2px solid var(--bg-secondary)}.status-online{background-color:var(--accent-success)}.status-offline{background-color:var(--text-muted)}.typing-dots span{display:inline-block;width:6px;height:6px;background-color:var(--text-secondary);border-radius:50%;margin:0 2px;animation:typingBounce 1.4s infinite ease-in-out both}.typing-dots span:nth-child(1){animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}@keyframes typingBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.text-center{text-align:center}.mt-4{margin-top:var(--space-4)}.mb-4{margin-bottom:var(--space-4)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-secondary);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:0 8px 32px #0006}.modal-header{padding:var(--space-4);border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:var(--space-4);color:var(--text-secondary)}.modal-footer{padding:var(--space-4);display:flex;justify-content:flex-end;gap:var(--space-3);background:var(--bg-tertiary);border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg)}.message-dropdown-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000}.message-dropdown-content{position:absolute;background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:0 8px 32px #0006;z-index:1001;min-width:150px;padding:var(--space-2);display:flex;flex-direction:column}.message-dropdown-content.left{right:0}.message-dropdown-content.right{left:0}.message-dropdown-content button{display:flex;align-items:center;gap:var(--space-2);width:100%;padding:var(--space-2) var(--space-3);text-align:left;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;font-family:inherit;font-size:.9rem}.message-dropdown-content button:hover{background:var(--surface-hover)}.message-dropdown-content button.danger{color:var(--accent-danger)}.swipe-reply-icon{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);opacity:0;transition:opacity .2s ease;z-index:10}.message-quote{background:#0000001a;border-left:3px solid var(--accent-primary);padding:var(--space-2);margin-bottom:var(--space-2);border-radius:var(--radius-sm);font-size:.85rem}.message-quote-sender{font-weight:600;color:var(--accent-primary);margin-bottom:2px}.message-quote-content{color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-wrapper.self .message-quote{background:#00000026;border-left-color:#fff9}.message-wrapper.self .message-quote-sender{color:#fff}.message-wrapper.self .message-quote-content{color:#fffc}.message-wrapper.self .message-meta{color:#fff9}.message-wrapper.other .message-quote{background:#00000026;border-left-color:var(--accent-primary)}.message-wrapper.other .message-quote-sender{color:var(--accent-info)}.message-wrapper.other .message-quote-content{color:var(--text-secondary)}.message-wrapper.other .message-meta{color:var(--text-muted)}.app-main{display:flex;flex-direction:column;height:100%;position:relative;overflow:hidden}.message-date-separator{display:flex;justify-content:center;margin:var(--space-4) 0}.message-date-separator span{background:var(--bg-tertiary);padding:4px 12px;border-radius:12px;font-size:.8rem;color:var(--text-muted)}.message-content-wrapper{max-width:100%;display:flex;flex-direction:column}.message-dropdown-trigger{position:absolute;top:4px;right:4px;background:#00000073;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:none;color:#fffc;border-radius:50%;width:20px;height:20px;display:none;align-items:center;justify-content:center;cursor:pointer;transition:opacity var(--transition-fast),background var(--transition-fast),color var(--transition-fast);z-index:10;padding:0;box-shadow:0 1px 3px #0000004d}.message-dropdown-trigger:hover{background:#000000b3;color:#fff}@media (min-width: 769px){.message-dropdown-trigger{display:flex;opacity:0}.message-bubble:hover .message-dropdown-trigger{opacity:1}.message-bubble{padding-right:10px!important}}.input-preview-box{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:10px var(--space-4);background:var(--bg-secondary)!important;border-left:4px solid var(--accent-primary);border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg);border-bottom:1px solid rgba(0,0,0,.15);animation:slideUp var(--transition-normal);width:100%}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.input-preview-content{flex:1;min-width:0}.input-preview-title{font-size:.85rem;font-weight:600;color:var(--accent-primary);margin-bottom:2px}.input-preview-text{font-size:.9rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.input-preview-box .btn-icon{background:#ffffff0f!important;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)!important;border:none;cursor:pointer;flex-shrink:0;transition:background var(--transition-fast),color var(--transition-fast)}.input-preview-box .btn-icon:hover{background:#ffffff1f!important;color:var(--text-primary)!important}.chat-input-container{gap:0!important}