:root{
  --bg:#0f1720;
  --card:#0b1220;
  --muted:#9aa4b2;
  --accent:#16a34a;
  --danger:#ef4444;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --pad:14px;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body,#app{height:100%;margin:0;background:linear-gradient(180deg,#071024 0%, #04111b 100%);color:#e6eef6}
#app{padding:12px;display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}

.composer{
  background:var(--card);
  border-radius:var(--radius);
  padding:12px;
  display:flex;
  flex-direction:column;
  gap:10px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.6);
}
.row{display:flex;gap:8px}
.row input, .row select{flex:1;min-height:44px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);padding:10px;background:var(--glass);color:inherit}
textarea{width:100%;resize:vertical;border-radius:10px;padding:10px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit;min-height:88px}
.primary{background:linear-gradient(90deg,var(--accent),#22c55e);border:none;color:#02110a;padding:10px 14px;border-radius:10px;min-width:84px}
.primary:active{transform:translateY(1px)}
.error{color:var(--danger);min-height:18px;font-size:13px}

.toolbar{display:flex;gap:8px;align-items:center}
#search{flex:1;padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:var(--glass);color:inherit}
#filterType{min-width:120px;padding:10px;border-radius:10px;background:var(--glass);color:inherit;border:1px solid rgba(255,255,255,0.04)}
#clearAll{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:8px 10px;border-radius:8px;color:var(--muted)}

.feed{display:flex;flex-direction:column;gap:10px;overflow:auto;padding-bottom:12px}
.library{background:var(--card);border-radius:var(--radius);padding:10px;box-shadow: 0 4px 20px rgba(0,0,0,0.45)}
.library-header{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.tabs{display:flex;gap:6px}
.tab{background:transparent;border:1px solid rgba(255,255,255,0.03);padding:6px 10px;border-radius:8px;color:var(--muted)}
.tab.active{background:linear-gradient(90deg,var(--accent),#22c55e);color:#02110a;border:none}
.lib-actions{display:flex;gap:6px}
.lib-actions button{padding:6px 8px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--muted)}
.post{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);display:flex;flex-direction:column;gap:8px}
.post .meta{display:flex;justify-content:space-between;gap:8px;align-items:center}
.post .meta .left{display:flex;gap:8px;align-items:center}
.badge{background:rgba(255,255,255,0.03);padding:6px 8px;border-radius:8px;font-size:12px;color:var(--muted);border:1px solid rgba(255,255,255,0.02)}
.title{font-weight:600}
.content{white-space:pre-wrap;font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;background:rgba(0,0,0,0.15);padding:10px;border-radius:8px;overflow:auto;max-height:280px}
.post .actions{display:flex;gap:8px}
.btn{padding:8px 10px;border-radius:8px;border:1px solid rgba(255,255,255,0.03);background:transparent;color:var(--muted);min-width:44px}
.btn.copy{background:linear-gradient(90deg,#0ea5a4,#06b6d4);border:none;color:#001;min-width:88px}
.small{font-size:12px;color:var(--muted)}
.empty{opacity:0.7;padding:18px;text-align:center;border-radius:12px;border:1px dashed rgba(255,255,255,0.03)}
@media (max-width:520px){
  .row{flex-direction:column}
  .toolbar{flex-direction:column;align-items:stretch;gap:10px}
  textarea{min-height:120px}
}