:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;overflow:hidden}h1{font-size:3.2em;line-height:1.1}#root{width:100%;height:100vh;margin:0;padding:0;background-color:#4095e5}.root{display:flex;flex-direction:row;height:100%}.root>nav{margin:28px 0;flex:0 0 80px;display:flex;flex-direction:column;justify-content:flex-start;align-items:center}.root>aside{margin:12px 0;border-radius:20px 0 0 20px;border-right:1px solid #9a9a9a;flex:0 0 400px;display:flex;flex-direction:column;overflow:hidden;background-color:#efefef}.root>main{margin:12px 12px 12px 0;border-radius:0 20px 20px 0;flex-grow:1;display:flex;flex-direction:column;overflow:hidden;background-color:#fff;color:#000}.my-avatar{border-radius:50%;width:48px;height:48px;background-color:#eee}.top-nav{margin:16px 0;padding:0;list-style:none;width:100%}.top-nav li{height:80px}.top-nav li.active{background-color:#fff3}.top-nav li>a{display:flex;justify-content:center;align-items:center;height:100%}.top-nav li>a:hover,.top-nav li>a:active{background-color:#fff1}.top-nav li>a>img{width:2rem;height:2rem}.thread-top-menu{flex:0 0 5rem;display:flex;flex-direction:row;justify-content:space-around;align-items:center;border-bottom:1px solid #9a9a9a;height:80px;background-color:#cecece}.thread-top-menu input,.thread-top-menu button{height:2rem}.thread-list{margin:0;padding:0;width:100%;list-style:none;overflow-x:hidden;overflow-y:auto}.thread-list li{height:80px}.thread-list li.active{background-color:#fff9}.thread-list li>a{padding:0 1.2rem;display:flex;align-items:center;column-gap:1.2rem;height:100%}.thread-list li>a:hover,.thread-list li>a:active{background-color:#fff7}.thread-list li>a>.avatar{border-radius:50%;flex:0 0 2rem;height:2rem;width:2rem;background-color:#eee}.thread-list li>a>.thread{flex:1;display:flex;flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;overflow:hidden}.thread .contact-name{flex:2;font-size:1.2rem;color:#000}.thread .update-time{flex:1;color:#9a9a9a}.thread .latest-message{flex:0 0 100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#9a9a9a}.message-top-menu{flex:0 0 5rem;padding:0 1.2rem;display:flex;flex-direction:row;justify-content:space-between;align-items:center;border-bottom:1px solid #9a9a9a;height:80px;border-color:#efefef}.message-top-menu>h1{font-size:1.4rem}.message-top-menu>button>img{width:1.5rem;height:1.5rem}.message-list{flex:1;margin:0 1.2rem;padding:1.2rem 0;list-style:none;overflow-x:hidden;overflow-y:auto}.message-list li{display:flex;align-items:flex-start;justify-content:flex-start;column-gap:1.2rem;min-height:2rem}.message-list li.active{background-color:#fff9}.message-list li.from-me{flex-direction:row-reverse}.message-list li.avatar{border-radius:50%;flex:0 0 2rem;height:2rem;background-color:#eee}.message-list li>.message{flex:0 1 auto;max-width:50%;margin:0 0 1.5rem;padding:.6rem 1.2rem;border:1px solid #bbb;border-radius:5px;background-color:#8dfa69}.compose-message{margin:1.2rem;flex:0 0 5rem;display:flex;justify-content:space-between;align-items:flex-end;gap:1.2rem}.compose-message>textarea{flex:1;height:5rem}.contacts-top-menu{flex:0 0 5rem;display:flex;flex-direction:row;justify-content:space-around;align-items:center;border-bottom:1px solid #9a9a9a;height:80px;background-color:#cecece}.contacts-top-menu input,.contacts-top-menu button{height:2rem}.contacts-list{margin:0;padding:0;width:100%;list-style:none;overflow-x:hidden;overflow-y:auto}.contacts-list li{height:80px}.contacts-list li.active{background-color:#fff9}.contacts-list li>a{padding:0 1.2rem;display:flex;align-items:center;column-gap:1.2rem;height:100%;text-decoration:none}.contacts-list li>a:hover,.contacts-list li>a:active{background-color:#fff7}.contacts-list li>a>.avatar{border-radius:50%;flex:0 0 2rem;height:2rem;width:2rem;background-color:#eee}.contacts-list li>a>.contact-info{flex:1;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.contact-info .contact-name{font-size:1.2rem;color:#000}.contact-info .contact-phone{font-size:.9rem;color:#9a9a9a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.contact-detail{flex:1;display:flex;flex-direction:column;overflow:hidden}.contact-detail-header{flex:0 0 auto;padding:1.2rem;display:flex;flex-direction:column;justify-content:center;align-items:center;border-bottom:1px solid #efefef;gap:1rem;position:relative;min-height:200px}.contact-detail-header>.avatar{border-radius:50%;width:4rem;height:4rem;background-color:#eee}.contact-detail-header>h1{font-size:1.6rem;margin:0;color:#000}.contact-detail-header>button{position:absolute;top:1.2rem;right:1.2rem;background:none;border:none;cursor:pointer}.contact-detail-header>button>img{width:1.5rem;height:1.5rem}.contact-detail-content{flex:0 0 auto;padding:1.2rem;display:flex;flex-direction:column;gap:1.2rem;border-bottom:1px solid #efefef}.detail-item{display:flex;flex-direction:column;gap:.5rem}.detail-item .label{font-size:.9rem;color:#9a9a9a;font-weight:500}.detail-item .value{font-size:1rem;color:#000}.contact-actions{flex:0 0 auto;padding:1.2rem;display:flex;flex-direction:column;gap:.8rem}.action-button{padding:.8rem 1.2rem;border:1px solid #ddd;background-color:#fff;color:#000;border-radius:4px;cursor:pointer;font-size:1rem;transition:all .3s ease}.action-button:hover{background-color:#f5f5f5;border-color:#bbb}.action-button.delete{color:#d32f2f;border-color:#d32f2f}.action-button.delete:hover{background-color:#ffebee}.empty-state{flex:1;display:flex;justify-content:center;align-items:center;color:#9a9a9a;font-size:1.1rem}