body{margin:0;font-family:system-ui,sans-serif;background:#f5f5f5;color:#222}#root{max-width:640px;margin:0 auto;padding:24px 16px 64px}form{display:flex;flex-direction:column;gap:8px;max-width:360px}header{display:flex;align-items:center;justify-content:space-between}.user-info{display:flex;align-items:center;gap:8px}.user-info span{font-size:13px;color:#666}input{padding:8px 10px;border:1px solid #ccc;border-radius:6px;font-size:14px}button{padding:8px 12px;border:1px solid #ccc;border-radius:6px;background:#fff;cursor:pointer;font-size:14px}button:hover{background:#f0f0f0}textarea{padding:8px 10px;border:1px solid #ccc;border-radius:6px;font-size:14px;font-family:inherit;resize:vertical}.post-form{max-width:640px;margin-bottom:16px}.post-form-actions{display:flex;gap:8px}.post-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.post-card{background:#fff;border:1px solid #ddd;border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}.post-card h3{margin:0}.post-meta{font-size:12px;color:#777;margin:0}.post-body{white-space:pre-wrap;word-break:break-word;margin:0}.post-actions{display:flex;gap:8px}.admin-link{font-size:13px;color:#1a73e8}.error{color:#c0392b}.hint{font-size:12px;color:#777;margin:0}