:root{font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;background-color:#f5f7fb;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f5f7fb}a{color:inherit;text-decoration:none}:root{--blue: #1c86ff;--blue-quiet: #e6f1ff;--text: #0f172a;--muted: #6b7280;--card: #ffffff;--border: #e5e7eb;--shadow: 0 15px 40px rgba(15, 23, 42, .08);--radius: 18px}#root{max-width:1100px;margin:0 auto 64px;padding:24px 18px 64px}.page{display:flex;flex-direction:column;gap:16px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0}.brand{font-weight:700;font-size:20px}.top-actions{display:flex;align-items:center;gap:10px}.auth-toggle{display:flex;gap:8px}.layout{display:grid;grid-template-columns:1fr;gap:18px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.auth-card{padding:18px 18px 12px}.tab-row{display:inline-flex;padding:6px;background:#f3f4f6;border-radius:999px;gap:6px}.chip{border:none;background:transparent;padding:10px 16px;border-radius:999px;color:var(--muted);cursor:pointer}.chip-active{background:var(--blue);color:#fff;box-shadow:0 8px 24px #1c86ff59}.form{margin-top:14px;display:flex;flex-direction:column;gap:10px}.form label{font-weight:600;font-size:14px}.form input,.create-card textarea,.comment-box textarea{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);font-family:inherit;font-size:14px}.form input:focus,.create-card textarea:focus,.comment-box textarea:focus{outline:2px solid var(--blue-quiet);border-color:var(--blue)}.btn{border:none;border-radius:999px;padding:10px 18px;font-weight:600;cursor:pointer;font-family:inherit;transition:transform .05s ease,box-shadow .1s ease}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px #1c86ff59}.btn.secondary{background:#e5e7eb;color:#111827}.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn.full{width:100%;margin-top:4px}.pill{background:#eef2ff;color:#4f46e5;padding:6px 12px;border-radius:999px;font-size:13px}.pill.subtle{background:#f3f4f6;color:#374151;border:1px solid #e5e7eb}.create-card h2{margin:0 12px 0 0}.create-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}.create-header h2{font-family:Poppins,system-ui,-apple-system,sans-serif;font-size:34px;font-weight:700;margin:0;color:var(--text);letter-spacing:-.5px}.create-body textarea{border-radius:14px;border:1px solid var(--border);padding:14px;resize:vertical;min-height:90px}.create-actions{margin-top:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.file-pill{display:inline-flex;align-items:center;gap:8px;border:1px dashed var(--border);padding:10px 14px;border-radius:12px;cursor:pointer;color:var(--muted)}.icon-upload{width:20px;height:20px;display:inline-block;color:var(--blue)}.feed{display:flex;flex-direction:column;gap:12px}.filter-row{display:flex;gap:10px;padding-left:6px}.post-card{padding:16px}.post-header{display:flex;align-items:center;gap:12px}.avatar{width:42px;height:42px;border-radius:50%;background:var(--blue-quiet);display:grid;place-items:center;font-weight:700;color:var(--blue)}.avatar.small{width:32px;height:32px;font-size:12px}.meta{flex:1}.name{font-weight:700;font-size:16px}.handle{color:var(--muted);font-size:14px}.date{color:var(--muted);font-size:13px}.follow{background:var(--blue);color:#fff;border:none;padding:8px 14px;border-radius:999px;cursor:pointer}.post-body{margin-top:12px;display:flex;flex-direction:column;gap:10px}.post-text{margin:0;font-size:15px}.post-image{width:100%;max-height:340px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}.post-footer{display:flex;gap:16px;margin-top:14px;padding-top:12px;border-top:1px solid var(--border)}.icon-btn{display:inline-flex;align-items:center;gap:6px;border:none;background:transparent;color:var(--muted);cursor:pointer;font-weight:600}.icon-svg{width:22px;height:22px;display:inline-block}.icon-btn.liked{color:#ff4da6}.icon-btn.disabled{cursor:default}.icon-btn.liked{color:var(--blue)}.comments{margin-top:12px;padding-top:10px;border-top:1px dashed var(--border);display:flex;flex-direction:column;gap:10px}.comment{display:flex;gap:10px;align-items:flex-start}.comment-author{font-weight:600}.comment-text{color:var(--muted);font-size:14px}.more{color:var(--blue);font-weight:600}.comment-box{margin-top:10px;padding:10px;border-radius:12px;border:1px solid var(--border);background:#f8fafc}.comment-box textarea{min-height:60px}.comment-actions{margin-top:8px;display:flex;justify-content:flex-end;gap:8px}.toast{position:fixed;bottom:22px;right:22px;background:#111827;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 10px 30px #0003}.error{color:#dc2626;font-size:14px}.auth-overlay{position:fixed;inset:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:20}.auth-modal{width:100%;max-width:420px}.auth-card .btn.ghost.full{background:transparent;border:1px solid var(--border);color:var(--text);margin-top:12px}@media(max-width:720px){#root{padding:12px}.post-image{max-height:240px}}