*{box-sizing:border-box}
:root{
  --bg:#0f1115; --panel:#151924; --muted:#9aa4b2; --text:#e8eefb; --brand:#63b3ff; --accent:#7ef0c5; --danger:#ff6b6b;
  --border:#23283a;
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,Segoe UI,Roboto,Arial}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(15,17,21,.9);backdrop-filter:blur(8px);z-index:10}
.brand{font-weight:700;letter-spacing:.2px}
.beta{font-size:.8em;color:var(--muted);margin-left:6px;border:1px solid var(--border);padding:2px 6px;border-radius:999px}
.nav{display:flex;gap:8px}
.nav-btn{background:#1b2030;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;cursor:pointer}
.nav-btn:hover{border-color:#2b3350}
.auth{display:flex;gap:8px;align-items:center}
#addUserBtn{background:#1b2030;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;cursor:pointer}
#userSelect{background:#1b2030;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:8px}

main{padding:20px;max-width:1100px;margin:0 auto}
.panel{background:var(--panel);padding:16px;border:1px solid var(--border);border-radius:14px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.filters input, .filters select{background:#111520;border:1px solid var(--border);color:var(--text);padding:10px;border-radius:10px;min-width:180px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.card{background:#111520;border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;height:160px;object-fit:cover;background:#0b0e14}
.card .c-body{padding:10px;display:flex;flex-direction:column;gap:6px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--muted);font-size:.8em}
.hint{color:var(--muted);margin-top:10px}
.form label{display:flex;flex-direction:column;gap:6px;margin:10px 0}
.form input,.form textarea,.form select{background:#111520;border:1px solid var(--border);color:var(--text);padding:10px;border-radius:10px}
.primary{background:linear-gradient(135deg,var(--brand),var(--accent));border:none;color:#0b0e14;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:700}
.footer{padding:20px;color:var(--muted);text-align:center}
.view[hidden]{display:none}

.tabs{display:flex;gap:8px;margin-bottom:10px}
.tab-btn{background:#1b2030;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;cursor:pointer}
.offers-list{display:flex;flex-direction:column;gap:10px}
.offer{background:#111520;border:1px solid var(--border);border-radius:12px;padding:12px}

dialog{border:none;padding:0;background:transparent}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;max-width:720px;width:95vw;padding:16px;position:relative}
.modal.small{max-width:420px}
.close{position:absolute;right:10px;top:10px;background:#1b2030;border:1px solid var(--border);color:var(--text);padding:6px 8px;border-radius:8px;cursor:pointer}
.detail{display:grid;grid-template-columns:280px 1fr;gap:16px}
.detail img{width:100%;height:240px;object-fit:cover;background:#0b0e14;border-radius:10px}
.kv{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted)}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.linklike{background:#1b2030;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;cursor:pointer}

.empty{color:var(--muted);text-align:center;padding:20px;border:1px dashed var(--border);border-radius:12px}