:root{--bg-primary:#0a0a0a;--bg-secondary:#111;--bg-card:#1a1a1a;--bg-input:#141414;--border:#2a2a2a;--text-primary:#f5f5f5;--text-secondary:#888;--accent:#6366f1;--accent-hover:#818cf8;--success:#22c55e;--error:#ef4444;--heart-red:#ef4444;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh}.app{max-width:680px;margin:0 auto;padding:0 16px 80px}.header{border-bottom:1px solid var(--border);background:var(--bg-primary);z-index:10;justify-content:space-between;align-items:center;margin-bottom:24px;padding:16px 0;display:flex;position:sticky;top:0}.logo{background:linear-gradient(135deg, var(--accent), #a855f7);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:24px;font-weight:700}.header-right{align-items:center;gap:16px;display:flex}.earnings{color:var(--text-secondary);font-size:14px}.connect-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:600;transition:background .2s}.connect-btn:hover{background:var(--accent-hover)}.connect-btn:disabled{opacity:.6;cursor:not-allowed}.wallet-info{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;align-items:center;gap:8px;padding:8px 14px;display:flex}.wallet-dot{background:var(--success);border-radius:50%;width:8px;height:8px}.wallet-address{color:var(--text-secondary);font-family:monospace;font-size:14px}.network-guard{justify-content:center;align-items:center;min-height:50vh;display:flex}.network-guard-content{text-align:center;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px}.network-guard-content h2{margin-bottom:8px;font-size:20px}.network-guard-content p{color:var(--text-secondary);margin-bottom:20px}.switch-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 24px;font-size:14px;font-weight:600;transition:background .2s}.switch-btn:hover{background:var(--accent-hover)}.connect-prompt{text-align:center;color:var(--text-secondary);padding:40px 20px}.create-post-form{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;margin-bottom:24px;padding:20px}.create-post-form h2{margin-bottom:12px;font-size:16px;font-weight:600}.create-post-form input{background:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:10px;outline:none;margin-bottom:10px;padding:10px 14px;font-size:14px;transition:border-color .2s}.create-post-form input:focus{border-color:var(--accent)}.create-post-form input::placeholder{color:var(--text-secondary)}.create-post-form input:disabled{opacity:.5}.create-post-form button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:10px 20px;font-size:14px;font-weight:600;transition:background .2s}.create-post-form button:hover:not(:disabled){background:var(--accent-hover)}.create-post-form button:disabled{opacity:.5;cursor:not-allowed}.post-feed{flex-direction:column;gap:16px;display:flex}.post-feed-empty{text-align:center;color:var(--text-secondary);padding:60px 20px}.post-feed-loading{flex-direction:column;gap:16px;display:flex}.skeleton-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;height:300px;animation:1.5s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.post-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden}.post-image-container{background:var(--bg-secondary);width:100%;max-height:400px;overflow:hidden}.post-image{object-fit:cover;width:100%;max-height:400px;display:block}.post-image-placeholder{width:100%;height:200px;color:var(--text-secondary);background:var(--bg-secondary);justify-content:center;align-items:center;font-size:14px;display:flex}.post-body{padding:16px}.post-caption{word-break:break-word;margin-bottom:10px;font-size:15px}.post-meta{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.post-creator{color:var(--text-secondary);font-family:monospace;font-size:13px}.post-time{color:var(--text-secondary);font-size:13px}.post-actions{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding-top:12px;display:flex}.post-earned{color:var(--text-secondary);font-size:13px}.like-btn{border:1px solid var(--border);cursor:pointer;color:var(--text-primary);background:0 0;border-radius:8px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;transition:all .2s;display:flex}.like-btn:hover:not(:disabled){border-color:var(--heart-red);background:#ef44441a}.like-btn:disabled{cursor:not-allowed;opacity:.7}.like-btn.liked{border-color:var(--heart-red);background:#ef44441a}.like-btn.own-post{opacity:.4}.heart{font-size:16px;transition:transform .2s}.like-btn:active:not(:disabled) .heart{transform:scale(1.3)}.like-count{font-size:14px}.like-spinner{border:2px solid var(--border);border-top-color:var(--text-primary);border-radius:50%;width:12px;height:12px;animation:.6s linear infinite spin}.toast{background:var(--bg-card);border:1px solid var(--border);z-index:100;border-radius:12px;align-items:center;gap:10px;max-width:400px;padding:14px 18px;animation:.3s ease-out slideIn;display:flex;position:fixed;bottom:20px;right:20px;box-shadow:0 10px 30px #0006}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toast-success{border-color:var(--success)}.toast-error{border-color:var(--error)}.toast-content{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.toast-icon{flex-shrink:0;font-size:16px}.toast-success .toast-icon{color:var(--success)}.toast-error .toast-icon{color:var(--error)}.toast-message{word-break:break-word;font-size:14px}.toast-link{color:var(--accent);white-space:nowrap;flex-shrink:0;font-size:13px;text-decoration:none}.toast-link:hover{text-decoration:underline}.toast-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:0 4px;font-size:18px}.toast-spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:16px;height:16px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.image-preview{background:var(--bg-secondary);border-radius:10px;width:100%;max-height:200px;margin-bottom:10px;overflow:hidden}.image-preview img{object-fit:cover;width:100%;max-height:200px;display:block}.footer{text-align:center;color:var(--text-secondary);border-top:1px solid var(--border);margin-top:32px;padding:32px 0 16px;font-size:13px}@media (width<=480px){.header{text-align:center;flex-direction:column;gap:12px}.header-right{justify-content:center;width:100%}.toast{max-width:none;left:16px;right:16px}}