*{box-sizing:border-box}
body{font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif;margin:0;background:#0f1216;color:#e7ecf2}
.center{display:flex;min-height:100vh;align-items:center;justify-content:center}
nav.top{display:flex;gap:18px;align-items:center;padding:12px 20px;background:#161b22;border-bottom:1px solid #222}
nav.top a{color:#9fb3c8;text-decoration:none}nav.top a:hover{color:#fff}
nav.top .right{margin-left:auto}
main{max-width:960px;margin:20px auto;padding:0 16px}
.card{background:#161b22;border:1px solid #232a33;border-radius:12px;padding:18px;margin-bottom:18px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){.row{grid-template-columns:1fr}}
h2,h3,h4{margin:0 0 12px}
input,textarea,select{width:100%;padding:10px;margin:6px 0;background:#0f1216;border:1px solid #2a323c;border-radius:8px;color:#e7ecf2}
.inline{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.inline input,.inline select{width:auto}
.btn{display:inline-block;background:#2563eb;color:#fff;border:0;padding:10px 16px;border-radius:8px;cursor:pointer;text-decoration:none;margin:4px 6px 4px 0}
.btn:hover{background:#1d4ed8}.btn.big{width:100%;padding:14px;font-size:17px;margin-top:10px}
table{width:100%;border-collapse:collapse;margin-top:10px}
td,th{text-align:left;padding:8px;border-bottom:1px solid #222;vertical-align:top}
.muted{color:#7d8da0;font-size:13px}
.ok{color:#4ade80}.err{color:#f87171}.warn{color:#fbbf24}
.del{color:#f87171;text-decoration:none}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;text-transform:uppercase;color:#fff}
.tag.facebook{background:#1877f2}.tag.instagram{background:#d6249f}.tag.threads{background:#444}
.pick{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{display:flex;align-items:center;gap:6px;background:#0f1216;border:1px solid #2a323c;padding:6px 10px;border-radius:20px;cursor:pointer;font-size:13px}
.chip input{width:auto;margin:0}