:root{--bg-color: #1a1a1a;--sidebar-bg: #212121;--chat-bg: #0f0f0f;--header-bg: #212121;--input-bg: #2c2c2c;--msg-own: #8774e1;--msg-other: #212121;--text-primary: #ffffff;--text-secondary: #aaaaaa;--accent: #8774e1;--error: #e53935;--hover-bg: #2a2a2a}body{margin:0;font-family:Inter,system-ui,sans-serif;background-color:var(--bg-color);color:var(--text-primary);height:100vh;overflow:hidden}.app-container{display:flex;height:100vh;width:100%}.auth-wrapper{height:100vh;display:flex;align-items:center;justify-content:center;background:#121212}.auth-container{background:var(--sidebar-bg);padding:30px;border-radius:12px;width:350px;box-shadow:0 4px 20px #00000080}.auth-form h2{text-align:center;margin-top:0;color:var(--accent)}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-size:.9em;color:var(--text-secondary)}.form-group input{width:100%;padding:10px;border-radius:6px;border:1px solid #444;background:var(--input-bg);color:#fff;box-sizing:border-box}.form-group input:focus{border-color:var(--accent);outline:none}.captcha-group{display:flex;gap:10px}.captcha-svg{background:#fff;border-radius:4px;cursor:pointer;flex:1;overflow:hidden}.captcha-group input{flex:1}.primary-btn{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:1em;font-weight:700;margin-top:10px}.primary-btn:hover{background:#7664c9}.switch-link{text-align:center;margin-top:15px;font-size:.9em;color:var(--text-secondary)}.switch-link span{color:var(--accent);cursor:pointer;text-decoration:underline}.error-msg{color:var(--error);font-size:.9em;margin-bottom:10px;text-align:center}.sidebar{width:350px;background:var(--sidebar-bg);border-right:1px solid #333;display:flex;flex-direction:column}.chat-list-header{padding:15px;background:var(--header-bg)}.user-profile{display:flex;align-items:center;gap:10px;margin-bottom:15px;font-weight:700}.tabs{display:flex;gap:5px}.tabs button{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:8px;cursor:pointer;border-bottom:2px solid transparent}.tabs button.active{color:var(--accent);border-bottom:2px solid var(--accent)}.chats-scroll{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;padding:10px 15px;gap:12px;cursor:pointer;transition:background .2s}.chat-item:hover{background:var(--hover-bg)}.chat-item.active{background:var(--accent);color:#fff}.chat-item.active .last-msg{color:#fffc}.avatar{width:40px;height:40px;background:#333;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2em;flex-shrink:0}.avatar.large{width:50px;height:50px;font-size:1.5em}.chat-info{flex:1;overflow:hidden}.chat-name{font-weight:500;margin-bottom:4px}.last-msg{font-size:.8em;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--chat-bg);position:relative;background-image:url(https://web.telegram.org/img/bg_0.png);background-size:cover}.no-chat-selected{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.chat-header{height:60px;background:var(--header-bg);display:flex;align-items:center;padding:0 20px;gap:15px;box-shadow:0 1px 2px #0003;z-index:10}.chat-window{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.message{max-width:60%;padding:8px 12px;border-radius:12px;background:var(--msg-other);position:relative;align-self:flex-start;animation:fadeIn .1s ease;box-shadow:0 1px 2px #0000001a}.message.own{align-self:flex-end;background:var(--msg-own);color:#fff}.msg-sender{font-size:.75em;color:var(--accent);margin-bottom:4px;font-weight:700}.message.own .msg-sender{display:none}.chat-input-area{background:var(--header-bg);padding:10px;display:flex;align-items:center;gap:10px}.chat-input-area form{flex:1;display:flex;gap:10px}.chat-input-area input{flex:1;padding:12px;border-radius:20px;border:none;background:var(--input-bg);color:#fff;outline:none}.recording-pulse{animation:pulse 1s infinite;background:red!important;color:#fff!important}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.search-section{padding:10px}.search-section input{width:100%;padding:8px;background:var(--input-bg);border:none;border-radius:4px;color:#fff;box-sizing:border-box;margin-bottom:10px}.user-item{display:flex;align-items:center;gap:10px;padding:8px;cursor:pointer;border-radius:4px}.user-item:hover{background:var(--hover-bg)}.logout-btn{margin-top:auto;background:#333;color:#aaa;border:none;padding:10px;cursor:pointer;border-top:1px solid #444}.logout-btn:hover{color:#fff;background:#444}@media (max-width: 768px){.app-container{position:relative}.sidebar{width:100%;position:absolute;height:100%;z-index:100;transform:translate(0);transition:transform .3s}.sidebar.hidden{transform:translate(-100%)}.chat-area{width:100%}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:var(--sidebar-bg);padding:20px;border-radius:12px;width:400px;max-width:90%;color:#fff;box-shadow:0 5px 15px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{margin:0;font-size:1.5em}.close-btn{background:none;border:none;font-size:2em;color:#aaa;cursor:pointer}.profile-summary{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}.profile-summary h3{margin-top:10px}.msg-box{padding:10px;border-radius:4px;margin-bottom:15px;text-align:center}.msg-box.success{background:#4caf5033;color:#81c784}.msg-box.error{background:#f4433633;color:#e57373}.form-group.checkbox{display:flex;align-items:center;gap:10px;cursor:pointer}.primary-btn.warning{background:#e53935}.primary-btn.warning:hover{background:#d32f2f}.settings-icon{margin-left:auto;font-size:1.2em;opacity:.7}.user-profile:hover .settings-icon{opacity:1}.profile-left{display:flex;align-items:center;gap:10px;flex:1;cursor:pointer}.create-group-btn{background:none;border:none;color:var(--accent);font-size:1.5em;cursor:pointer;padding:0 5px}.create-group-btn:hover{color:#fff}.header-info{flex:1}.invite-link{font-size:.8em;color:var(--accent);-webkit-user-select:text;user-select:text}.delete-chat-btn{background:none;border:none;font-size:1.2em;cursor:pointer;opacity:.5}.delete-chat-btn:hover{opacity:1;color:#ff5252}.message{position:relative}.delete-msg-btn{position:absolute;top:-5px;right:-5px;background:red;color:#fff;border:none;border-radius:50%;width:16px;height:16px;font-size:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity .2s}.message:hover .delete-msg-btn{opacity:1}