:root{--bg:#0f172a;--surface:#111827;--muted:#8b949e;--text:#e5e7eb;--accent:#22c55e;--card:#0b1222;--border:#1f2937}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Ubuntu,"Helvetica Neue","Noto Sans",Arial,"Apple Color Emoji","Segoe UI Emoji"}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--border);background:#0b1222;position:sticky;top:0;z-index:10}
.topbar .brand{font-weight:700}
.topbar .actions button{margin-left:.5rem}
.container{max-width:980px;margin:1rem auto;padding:0 1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:1rem;margin-bottom:1rem}
.row{display:flex;gap:.75rem;align-items:center;margin:.5rem 0}
.row label{min-width:140px;color:#cbd5e1}
.row input, .row select, textarea{flex:1;background:#0f172a;border:1px solid var(--border);border-radius:.5rem;padding:.6rem .7rem;color:var(--text)}
button{background:#134e4a;border:1px solid #0f766e;color:white;border-radius:.6rem;padding:.5rem .75rem;cursor:pointer}
button:hover{filter:brightness(1.05)}
.muted{color:var(--muted)}
.profile{display:flex;align-items:center;gap:1rem}
#avatar{border-radius:50%;border:1px solid var(--border);background:#0f172a;image-rendering:pixelated}
.post{border:1px dashed var(--border);border-radius:.5rem;padding:.6rem .7rem;margin-bottom:.6rem}
.post .meta{color:var(--muted);font-size:.9rem;margin-bottom:.25rem}
.badge{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:.05rem .5rem;font-size:.75rem;margin-left:.5rem}