:root{--bg-primary: #070b14;--bg-secondary: #0d1220;--bg-card: #111827;--bg-card-hover: #1a2133;--bg-glass: rgba(17, 24, 39, .7);--bg-elevated: #161e2e;--border: rgba(255, 255, 255, .07);--border-accent: rgba(0, 217, 255, .3);--border-purple: rgba(139, 92, 246, .3);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #475569;--text-code: #a5f3fc;--cyan: #00d9ff;--cyan-dim: rgba(0, 217, 255, .15);--cyan-glow: rgba(0, 217, 255, .4);--purple: #8b5cf6;--purple-dim: rgba(139, 92, 246, .15);--green: #10b981;--green-dim: rgba(16, 185, 129, .15);--amber: #f59e0b;--amber-dim: rgba(245, 158, 11, .15);--red: #ef4444;--red-dim: rgba(239, 68, 68, .15);--orange: #f97316;--orange-dim: rgba(249, 115, 22, .15);--status-loading: var(--amber);--status-success: var(--green);--status-error: var(--red);--status-refetch: var(--cyan);--status-stale: var(--purple);--status-cache: #ec4899;--status-idle: var(--text-muted);--font-sans: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-glow: 0 0 20px rgba(0, 217, 255, .15);--shadow-card: 0 4px 24px rgba(0, 0, 0, .4);--shadow-elevated: 0 8px 40px rgba(0, 0, 0, .6);--transition: .15s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}#root{height:100vh;display:flex;flex-direction:column;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;border-bottom:1px solid var(--border);background:var(--bg-secondary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-shrink:0;z-index:10}.app-logo{display:flex;align-items:center;gap:10px}.app-logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--cyan),var(--purple));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}.app-logo-text{font-size:15px;font-weight:700;letter-spacing:-.3px;background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-logo-badge{font-size:10px;font-weight:600;padding:2px 7px;border-radius:20px;background:var(--cyan-dim);color:var(--cyan);border:1px solid var(--border-accent);letter-spacing:.3px;text-transform:uppercase}.app-header-right{display:flex;align-items:center;gap:8px}.header-pill{font-size:11px;font-weight:500;padding:3px 10px;border-radius:20px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);font-family:var(--font-mono)}.app-layout{display:grid;grid-template-columns:280px 1fr 320px;flex:1;overflow:hidden;gap:0}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-section{padding:16px;border-bottom:1px solid var(--border)}.sidebar-section:last-child{border-bottom:none;flex:1;overflow-y:auto}.section-label{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mode-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);font-family:var(--font-sans);font-size:11px;font-weight:500;letter-spacing:.2px}.mode-btn:hover{border-color:var(--border-accent);color:var(--cyan);background:var(--cyan-dim)}.mode-btn.active{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-dim);box-shadow:0 0 12px #00d9ff26}.mode-btn .mode-icon{font-size:18px}.control-group{margin-bottom:14px}.control-group:last-child{margin-bottom:0}.control-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.control-name{font-size:12px;font-weight:500;color:var(--text-secondary)}.control-value{font-size:11px;font-family:var(--font-mono);color:var(--cyan);font-weight:600}.slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;background:var(--bg-elevated);outline:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--cyan);cursor:pointer;box-shadow:0 0 8px var(--cyan-glow);transition:transform var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.toggle-row:last-child{margin-bottom:0}.toggle-label{font-size:12px;font-weight:500;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.toggle{position:relative;width:36px;height:20px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-track{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;transition:all var(--transition)}.toggle-track:before{position:absolute;content:"";height:14px;width:14px;left:2px;bottom:2px;background:var(--text-muted);border-radius:50%;transition:all var(--transition)}.toggle input:checked+.toggle-track{background:var(--cyan-dim);border-color:var(--cyan)}.toggle input:checked+.toggle-track:before{transform:translate(16px);background:var(--cyan)}.main-content{display:flex;flex-direction:column;overflow:hidden;background:var(--bg-primary)}.control-bar{display:flex;align-items:center;gap:8px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.ctrl-btn{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;font-family:var(--font-sans);font-size:12px;font-weight:500;transition:all var(--transition);white-space:nowrap}.ctrl-btn:hover{background:var(--bg-card-hover);border-color:#ffffff1f;color:var(--text-primary)}.ctrl-btn:active{transform:scale(.97)}.ctrl-btn.primary{border-color:var(--border-accent);color:var(--cyan);background:var(--cyan-dim)}.ctrl-btn.primary:hover{background:#00d9ff33}.ctrl-btn.danger{border-color:#ef44444d;color:var(--red);background:var(--red-dim)}.ctrl-btn.danger:hover{background:#ef444440}.ctrl-btn.warning{border-color:#f59e0b4d;color:var(--amber);background:var(--amber-dim)}.ctrl-btn.warning:hover{background:#f59e0b40}.ctrl-btn.success{border-color:#10b9814d;color:var(--green);background:var(--green-dim)}.ctrl-btn.success:hover{background:#10b98140}.ctrl-separator{width:1px;height:20px;background:var(--border);flex-shrink:0}.ctrl-status-chip{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:12px;font-family:var(--font-mono);color:var(--text-muted)}.data-area{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.state-badges{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.state-badge{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;font-family:var(--font-mono);letter-spacing:.2px;transition:all var(--transition)}.state-badge.loading{background:var(--amber-dim);border:1px solid rgba(245,158,11,.3);color:var(--amber)}.state-badge.success{background:var(--green-dim);border:1px solid rgba(16,185,129,.3);color:var(--green)}.state-badge.error{background:var(--red-dim);border:1px solid rgba(239,68,68,.3);color:var(--red)}.state-badge.fetching{background:var(--cyan-dim);border:1px solid var(--border-accent);color:var(--cyan)}.state-badge.stale{background:var(--purple-dim);border:1px solid var(--border-purple);color:var(--purple)}.state-badge.idle{background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted)}.state-badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.state-badge .dot.pulse{animation:pulse-dot 1s infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.data-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition-slow)}.data-card.success{border-color:#10b98133}.data-card.error{border-color:#ef444433}.data-card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.data-card-title{font-size:12px;font-weight:600;color:var(--text-secondary);letter-spacing:.3px;text-transform:uppercase}.data-card-meta{font-size:10px;font-family:var(--font-mono);color:var(--text-muted)}.data-card-body{padding:18px}.skeleton{background:linear-gradient(90deg,var(--bg-elevated) 0%,rgba(255,255,255,.04) 50%,var(--bg-elevated) 100%);background-size:200% 100%;animation:skeleton-shimmer 1.5s infinite;border-radius:4px}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-line{height:12px;margin-bottom:8px;border-radius:4px}.skeleton-line.title{width:60%;height:18px;margin-bottom:12px}.skeleton-avatar{width:56px;height:56px;border-radius:50%;flex-shrink:0}.user-profile{display:flex;align-items:flex-start;gap:16px}.user-avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;flex-shrink:0;color:#fff}.user-info h3{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:4px;letter-spacing:-.3px}.user-info p{font-size:12px;color:var(--text-secondary);margin-bottom:2px}.user-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}.user-tag{font-size:10px;font-weight:600;padding:2px 8px;border-radius:12px;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-muted);font-family:var(--font-mono)}.posts-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.post-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px;transition:all var(--transition)}.post-card:hover{border-color:#ffffff1a}.post-card h4{font-size:12px;font-weight:600;color:var(--text-primary);margin-bottom:4px;letter-spacing:-.1px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.post-card p{font-size:11px;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.optimistic-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px}.optimistic-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:14px;display:flex;align-items:center;gap:8px}.optimistic-title:after{content:"DEMO";font-size:9px;padding:1px 6px;border-radius:10px;background:var(--orange-dim);color:var(--orange);border:1px solid rgba(249,115,22,.3)}.like-demo{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.like-posts-list{display:flex;flex-direction:column;gap:8px;flex:1;min-width:200px}.like-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all var(--transition)}.like-item-title{flex:1;font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.like-btn{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer;font-size:12px;font-weight:600;transition:all var(--transition);flex-shrink:0;font-family:var(--font-sans)}.like-btn:hover{border-color:#ef444466;color:var(--red);background:var(--red-dim)}.like-btn.liked{border-color:#ef444499;color:var(--red);background:var(--red-dim);animation:like-pop .3s cubic-bezier(.34,1.56,.64,1)}.like-btn.liked[data-rollback=true]{animation:rollback-shake .4s ease-in-out}@keyframes like-pop{0%{transform:scale(1)}50%{transform:scale(1.25)}to{transform:scale(1)}}@keyframes rollback-shake{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}.like-status{font-size:10px;font-family:var(--font-mono);padding:1px 6px;border-radius:10px;white-space:nowrap}.like-status.pending{color:var(--amber);background:var(--amber-dim)}.like-status.fail{color:var(--red);background:var(--red-dim);animation:rollback-shake .4s ease}.like-status.ok{color:var(--green);background:var(--green-dim)}.error-display{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;gap:12px;text-align:center}.error-icon{font-size:40px;animation:error-pulse 2s infinite}@keyframes error-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.error-title{font-size:16px;font-weight:700;color:var(--red)}.error-msg{font-size:12px;color:var(--text-muted);font-family:var(--font-mono);max-width:300px;line-height:1.6}.retry-count-chip{font-size:11px;padding:3px 10px;border-radius:20px;background:var(--red-dim);border:1px solid rgba(239,68,68,.3);color:var(--red);font-family:var(--font-mono)}.timeline-panel{display:flex;flex-direction:column;overflow:hidden;border-right:1px solid var(--border);background:var(--bg-secondary)}.timeline-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.timeline-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary);display:flex;align-items:center;gap:7px}.timeline-live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:live-pulse 1.5s infinite;box-shadow:0 0 6px var(--green)}@keyframes live-pulse{0%,to{opacity:1}50%{opacity:.4}}.timeline-clear-btn{font-size:10px;padding:2px 8px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text-muted);cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}.timeline-clear-btn:hover{border-color:#ef44444d;color:var(--red);background:var(--red-dim)}.timeline-events{flex:1;overflow-y:auto;padding:8px 10px 2px;display:flex;flex-direction:column;gap:4px}.tml-msg{padding:2px 12px;display:flex}.timeline-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:8px;color:var(--text-muted)}.timeline-empty-icon{font-size:32px;opacity:.4}.timeline-empty-text{font-size:12px}.timeline-event{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid transparent;transition:all var(--transition);animation:event-enter .25s cubic-bezier(.34,1.56,.64,1);cursor:default}@keyframes event-enter{0%{opacity:0;transform:translate(-8px) scale(.97)}to{opacity:1;transform:translate(0) scale(1)}}.timeline-event:hover{background:var(--bg-card)}.event-time{font-size:10px;font-family:var(--font-mono);color:var(--text-muted);flex-shrink:0;margin-top:1px;min-width:70px}.event-badge{font-size:9px;font-weight:700;padding:2px 6px;border-radius:10px;letter-spacing:.5px;text-transform:uppercase;flex-shrink:0;font-family:var(--font-mono)}.event-badge.LOADING{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(245,158,11,.3)}.event-badge.SUCCESS{background:var(--green-dim);color:var(--green);border:1px solid rgba(16,185,129,.3)}.event-badge.ERROR{background:var(--red-dim);color:var(--red);border:1px solid rgba(239,68,68,.3)}.event-badge.REFETCH{background:var(--cyan-dim);color:var(--cyan);border:1px solid rgba(0,217,255,.3)}.event-badge.STALE{background:var(--purple-dim);color:var(--purple);border:1px solid rgba(139,92,246,.3)}.event-badge.CACHE_HIT{background:#ec489920;color:#ec4899;border:1px solid rgba(236,72,153,.3)}.event-badge.INVALIDATED{background:var(--orange-dim);color:var(--orange);border:1px solid rgba(249,115,22,.3)}.event-badge.RETRY{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(245,158,11,.3)}.event-badge.OPTIMISTIC{background:var(--cyan-dim);color:var(--cyan);border:1px solid rgba(0,217,255,.3)}.event-badge.ROLLBACK{background:var(--red-dim);color:var(--red);border:1px solid rgba(239,68,68,.3)}.event-message{font-size:11px;color:var(--text-secondary);line-height:1.4;flex:1;font-family:var(--font-mono)}.devtools-panel{background:var(--bg-secondary);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.devtools-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.devtools-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary);display:flex;align-items:center;gap:7px}.devtools-scroll{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px}.devtools-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.devtools-section-header{padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg-elevated);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted)}.devtools-section-body{padding:10px 12px;display:flex;flex-direction:column;gap:8px}.kv-row{display:flex;justify-content:space-between;align-items:center;gap:8px}.kv-key{font-size:11px;color:var(--text-muted);font-family:var(--font-mono);flex-shrink:0}.kv-value{font-size:11px;font-family:var(--font-mono);font-weight:600;text-align:right;word-break:break-all}.kv-value.cyan{color:var(--cyan)}.kv-value.green{color:var(--green)}.kv-value.red{color:var(--red)}.kv-value.amber{color:var(--amber)}.kv-value.purple{color:var(--purple)}.kv-value.muted{color:var(--text-muted)}.kv-value.pink{color:#ec4899}.freshness-container{margin-top:4px}.freshness-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:10px}.freshness-label span:first-child{color:var(--text-muted);font-family:var(--font-mono)}.freshness-label span:last-child{font-family:var(--font-mono);font-weight:700}.freshness-track{height:6px;background:var(--bg-elevated);border-radius:3px;overflow:hidden}.freshness-fill{height:100%;border-radius:3px;transition:width 1s linear,background-color .5s}.freshness-fill.fresh{background:linear-gradient(90deg,var(--green),var(--cyan))}.freshness-fill.stale{background:linear-gradient(90deg,var(--amber),var(--orange))}.freshness-fill.expired{background:var(--red)}.retry-dots{display:flex;gap:5px;margin-top:2px}.retry-dot{width:10px;height:10px;border-radius:50%;background:var(--bg-elevated);border:1px solid var(--border);transition:all var(--transition)}.retry-dot.used{background:var(--amber);border-color:var(--amber);box-shadow:0 0 6px #f59e0b66}.retry-dot.failed{background:var(--red);border-color:var(--red);box-shadow:0 0 6px #ef444466}.code-preview{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px;font-family:var(--font-mono);font-size:11px;line-height:1.7;overflow-x:auto;max-height:160px;overflow-y:auto}.code-line{display:block}.code-kw{color:#c792ea}.code-fn{color:#82aaff}.code-str{color:#c3e88d}.code-var{color:#f07178}.code-num{color:#f78c6c}.code-cm{color:#546e7a}.code-op{color:var(--cyan)}@keyframes spin{to{transform:rotate(360deg)}}.spin{display:inline-block;animation:spin .9s linear infinite}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.fade-in{animation:fade-in .3s ease}@keyframes slide-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slide-up .25s ease}@media (max-width: 1100px){.app-layout{grid-template-columns:240px 1fr 280px}}