:root{--bg: #0e0e10;--bg-secondary: #1a1a1f;--bg-tertiary: #252530;--text: #f0f0f5;--text-muted: #8b8b9a;--accent: #6c5ce7;--accent-max: #ff6b35;--accent-vk: #4a76a8;--border: #2a2a35;--success: #00b894;--danger: #ff7675;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}.app{display:flex;flex-direction:column;height:100%}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.header h1{font-size:18px;font-weight:600}.platform-switch{display:flex;background:var(--bg-tertiary);border-radius:20px;padding:3px;gap:2px}.platform-switch button{padding:6px 16px;border-radius:18px;font-size:13px;font-weight:600;color:var(--text-muted);transition:all .2s}.platform-switch button.active-max{background:var(--accent-max);color:#fff}.platform-switch button.active-vk{background:var(--accent-vk);color:#fff}.main-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.chat-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.chat-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background .15s}.chat-item:active{background:var(--bg-tertiary)}.chat-item .info{flex:1;min-width:0}.chat-item .title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.chat-item .title{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item .time{font-size:12px;color:var(--text-muted);flex-shrink:0}.chat-item .preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-badge{background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:2px 7px;border-radius:10px;min-width:20px;text-align:center}.avatar{width:48px;height:48px;border-radius:50%;background:var(--bg-tertiary);flex-shrink:0;object-fit:cover;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:18px;color:var(--text-muted);position:relative}.avatar .online-dot{position:absolute;bottom:2px;right:2px;width:12px;height:12px;background:var(--success);border:2px solid var(--bg);border-radius:50%}.story-ring{padding:2px;border-radius:50%;background:linear-gradient(45deg,var(--accent-max),var(--accent-vk))}.story-ring.seen{background:var(--bg-tertiary)}.chat-window{display:flex;flex-direction:column;height:100%}.messages{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:8px;-webkit-overflow-scrolling:touch}.message{max-width:80%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.4;word-break:break-word}.message.incoming{align-self:flex-start;background:var(--bg-tertiary);border-bottom-left-radius:4px}.message.outgoing{align-self:flex-end;background:var(--accent);border-bottom-right-radius:4px}.message .sender{font-size:12px;font-weight:600;color:var(--accent-vk);margin-bottom:4px}.message .meta{font-size:11px;color:#ffffff80;margin-top:4px;text-align:right}.message .attachment img{max-width:100%;border-radius:8px;margin-top:6px}.message .reply-preview{border-left:3px solid var(--accent);padding-left:8px;margin-bottom:6px;opacity:.85;font-size:12px}.message .reply-preview .reply-author{display:block;font-weight:600;margin-bottom:2px}.message .reply-preview .reply-text{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.reply-bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-tertiary);border-top:1px solid var(--border)}.reply-bar-content{flex:1;min-width:0}.reply-bar-label{display:block;font-size:11px;color:var(--accent);font-weight:600}.reply-bar-text{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-bar-close{font-size:16px;padding:4px 8px;color:var(--text-muted)}.typing-indicator{font-size:12px;color:var(--text-muted);padding:4px 8px;align-self:flex-start}.load-more{display:flex;justify-content:center;padding:8px}.input-bar .attach-btn{width:42px;height:42px;border-radius:50%;background:var(--bg-tertiary);font-size:18px;display:flex;align-items:center;justify-content:center}.input-bar .attach-btn:disabled{opacity:.4}.input-bar{display:flex;gap:8px;padding:10px 12px calc(10px + var(--safe-bottom));background:var(--bg-secondary);border-top:1px solid var(--border)}.input-bar input{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:20px;padding:10px 16px;outline:none}.input-bar input:focus{border-color:var(--accent)}.input-bar .send-btn{width:42px;height:42px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:32px;text-align:center;color:var(--text-muted)}.empty-state .icon{font-size:48px}.btn{padding:12px 24px;border-radius:var(--radius);font-weight:600;font-size:14px}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--bg-tertiary);color:var(--text);border:1px solid var(--border)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:flex-end;justify-content:center;z-index:100}.modal{background:var(--bg-secondary);border-radius:16px 16px 0 0;padding:24px;width:100%;max-width:480px;max-height:80vh;overflow-y:auto}.modal h2{font-size:18px;margin-bottom:16px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}.form-group input{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);padding:12px;outline:none}.form-group input:focus{border-color:var(--accent)}.settings-panel{padding:16px;overflow-y:auto;flex:1}.settings-section{margin-bottom:24px}.settings-section h3{font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.settings-card{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.settings-row:last-child{border-bottom:none}.toggle{width:44px;height:24px;background:var(--bg-tertiary);border-radius:12px;position:relative;transition:background .2s}.toggle.on{background:var(--accent)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s}.toggle.on:after{transform:translate(20px)}.story-viewer{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;z-index:200;display:flex;flex-direction:column}.story-viewer .story-header{display:flex;align-items:center;gap:10px;padding:16px;background:linear-gradient(to bottom,rgba(0,0,0,.6),transparent);position:absolute;top:0;left:0;right:0;z-index:1}.story-viewer .story-media{flex:1;display:flex;align-items:center;justify-content:center}.story-viewer img,.story-viewer video{max-width:100%;max-height:100%;object-fit:contain}.story-progress{display:flex;gap:4px;padding:8px 12px;position:absolute;top:0;left:0;right:0}.story-progress .bar{flex:1;height:2px;background:#ffffff4d;border-radius:1px}.story-progress .bar.done{background:#fff}.bottom-nav{display:flex;background:var(--bg-secondary);border-top:1px solid var(--border);padding-bottom:var(--safe-bottom)}.bottom-nav button{flex:1;padding:12px;font-size:12px;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:4px}.bottom-nav button.active{color:var(--accent)}.bottom-nav button .nav-icon{font-size:20px}.loading{display:flex;align-items:center;justify-content:center;padding:32px;color:var(--text-muted)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-header-bar{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.chat-header-bar .back{font-size:20px;padding:4px 8px}.chat-header-bar .name{font-weight:600;flex:1}