:root{--bg:#eef2f7;--panel:#fff;--text:#172033;--muted:#667085;--line:#d9e1ec;--blue:#3157d5;--blue-dark:#243f9f;--soft-blue:#e8edff;--shadow:0 10px 30px rgba(16,24,40,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:0 3px 14px rgba(16,24,40,.05)}.brand{display:flex;align-items:center;gap:12px;min-width:250px}.logo{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--blue),#7c3aed);color:white;display:grid;place-items:center;font-weight:900;font-size:24px}.brand-title{font-weight:900;font-size:22px;line-height:1}.brand-sub{color:var(--muted);font-size:12px}.search-wrap{flex:1}.search-wrap input{width:100%;max-width:520px;border:1px solid var(--line);border-radius:999px;padding:12px 18px;background:#f8fafc;font-size:15px}.top-actions{display:flex;gap:8px}.icon-btn,button{border:0;border-radius:999px;background:var(--soft-blue);color:var(--blue-dark);font-weight:700;padding:10px 14px;cursor:pointer}.layout{max-width:1380px;margin:22px auto;padding:0 20px;display:grid;grid-template-columns:280px minmax(420px,1fr) 300px;gap:20px;align-items:start}.card,.profile-card,.post,.composer{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.profile-card{padding:20px;text-align:center}.avatar{width:112px;height:112px;border-radius:50%;border:5px solid #fff;box-shadow:0 8px 22px rgba(16,24,40,.16)}.profile-card h1{margin:12px 0 4px;font-size:24px}.muted{color:var(--muted);font-size:14px}.mini-stat{margin-top:12px;display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid var(--line)}.card{padding:18px;margin-top:16px}.card h2{margin:0 0 12px;font-size:18px}.card a{display:block;color:var(--blue);text-decoration:none;font-weight:700;padding:6px 0}.composer{padding:14px;display:flex;align-items:center;gap:12px;margin-bottom:18px}.composer input{flex:1;border:1px solid var(--line);background:#f8fafc;border-radius:999px;padding:12px 16px}.tiny-avatar{width:42px;height:42px;border-radius:50%;flex:0 0 auto}.post{padding:18px;margin-bottom:18px}.post.hidden{display:none}.post-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.post p{line-height:1.55}.feed-photo{width:100%;display:block;border-radius:16px;border:1px solid var(--line);margin:14px 0;background:#f8fafc;box-shadow:0 8px 20px rgba(16,24,40,.08)}.reactions{color:var(--muted);border-top:1px solid var(--line);padding-top:10px;margin-top:12px;font-size:14px}.comments{margin-top:12px;padding-top:10px;border-top:1px solid var(--line)}.comments p{background:#f8fafc;border-radius:14px;padding:10px 12px;margin:8px 0}.person{display:flex;align-items:center;gap:10px;padding:8px 0;font-weight:700}.person img{width:34px;height:34px;border-radius:50%}.clue-box button{width:100%;margin-top:8px}footer{text-align:center;color:var(--muted);font-size:13px;padding:30px 12px 50px}mark{background:#fff3a3;padding:1px 3px;border-radius:4px}@media(max-width:1050px){.layout{grid-template-columns:1fr}.left-panel,.right-panel{display:none}.top-actions{display:none}.brand{min-width:auto}}