:root{--bg-color:#0f172a;--panel-bg:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--accent-color:#3b82f6;--accent-hover:#2563eb;--border-color:#ffffff1a;--glass-blur:blur(12px);--font-sans:"Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-sans);min-height:100vh;overflow-y:scroll}#root{justify-content:center;min-height:100vh;display:flex}.app-container{grid-template-columns:250px minmax(500px,600px) 300px;gap:20px;width:100%;max-width:1200px;padding:20px;display:grid}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border-color);border-radius:16px;padding:20px}.sidebar{flex-direction:column;gap:15px;height:max-content;display:flex;position:sticky;top:20px}.logo-container{color:var(--text-main);background:linear-gradient(135deg,#60a5fa,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:10px;margin-bottom:20px;font-size:24px;font-weight:800;display:flex}.nav-item{cursor:pointer;color:var(--text-main);border-radius:999px;align-items:center;gap:15px;padding:12px 20px;font-size:18px;font-weight:600;transition:background .2s;display:flex}.nav-item:hover{background:#ffffff1a}.nav-item.active{font-weight:800}.main-feed{flex-direction:column;gap:20px;display:flex}.feed-header{border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;padding:0 10px 15px;font-size:20px;font-weight:800;position:sticky;top:0}.tweet-box{gap:15px;margin-bottom:20px;display:flex}.avatar{background:#334155;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.tweet-box-content{flex-direction:column;flex:1;gap:10px;display:flex}.tweet-input{width:100%;color:var(--text-main);resize:none;background:0 0;border:none;outline:none;min-height:80px;font-family:inherit;font-size:18px}.tweet-input::placeholder{color:var(--text-muted)}.tweet-box-actions{border-top:1px solid var(--border-color);justify-content:flex-end;padding-top:10px;display:flex}.btn-primary{background-color:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:10px 24px;font-size:16px;font-weight:700;transition:background .2s,transform .1s}.btn-primary:hover{background-color:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.tweet-list{flex-direction:column;gap:15px;display:flex}.tweet-thread{animation:.4s ease-out forwards slideFadeIn}.tweet-card{gap:15px;padding:15px;transition:background .2s;display:flex}.tweet-card:hover{background:#ffffff08;border-radius:12px}.tweet-content{flex:1}.tweet-header{align-items:center;gap:8px;margin-bottom:4px;display:flex}.tweet-name{font-size:15px;font-weight:700}.tweet-handle,.tweet-time{color:var(--text-muted);font-size:15px}.tweet-text{white-space:pre-wrap;margin-bottom:12px;font-size:15px;line-height:1.5}.tweet-actions{color:var(--text-muted);gap:40px;display:flex}.action-btn{cursor:pointer;color:inherit;background:0 0;border:none;align-items:center;gap:6px;font-size:14px;transition:color .2s;display:flex}.action-btn:hover{color:var(--accent-color)}.action-btn i{font-size:18px}.action-like:hover{color:#f43f5e}.replies-container{border-left:2px solid var(--border-color);flex-direction:column;gap:10px;margin-top:10px;margin-left:32px;padding-left:20px;display:flex}.reply-card{background:#ffffff05;border-radius:12px;padding:12px;animation:.3s ease-out forwards slideFadeIn}@keyframes slideFadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.right-panel{height:max-content;position:sticky;top:20px}.trending-box,.who-to-follow{flex-direction:column;gap:15px;margin-bottom:20px;display:flex}.trending-box h2,.who-to-follow h2{font-size:18px;font-weight:800}.trend-item{flex-direction:column;display:flex}.trend-category{color:var(--text-muted);font-size:13px}.trend-name{margin:2px 0;font-size:15px;font-weight:700}.trend-tweets{color:var(--text-muted);font-size:13px}@media (width<=1000px){.app-container{grid-template-columns:80px 1fr}.right-panel,.nav-item span,.logo-container span{display:none}}@media (width<=600px){.app-container{grid-template-columns:1fr;padding:10px}.sidebar{display:none}}