:root{
  --bg:#0f1723;
  --surface:#0b1220;
  --card:#0f172a;
  --muted:#94a3b8;
  --accent:#66b3ff;
  --accent-2:#7ce3c7;
  --danger:#ff6b6b;
  --border: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  font-family: Inter, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  direction: rtl;
  color-scheme: dark;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: linear-gradient(180deg,#061223 0%, #071826 60%);
  color:#e6eef8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  padding-bottom:60px;
}

/* Topbar */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:18px 24px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(6px);
}
.brand h1{margin:0;font-size:18px;letter-spacing:0.3px}
.tag{margin:0;font-size:12px;color:var(--muted)}
.topbar nav a{
  margin-left:12px;
  color:var(--accent);
  text-decoration:none;
  font-weight:700;
}

/* layout */
.container{
  max-width:1100px;
  margin:22px auto;
  padding:0 16px;
}

/* hero */
.card-hero{
  padding:18px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background: linear-gradient(90deg, rgba(102,179,255,0.06), rgba(124,227,199,0.03));
  box-shadow: 0 8px 30px rgba(2,6,23,0.5);
  margin-bottom:18px;
}
.muted{color:var(--muted)}

/* grid */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:16px;
}

/* card */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.02));
  padding:16px;
  border-radius:12px;
  border:1px solid var(--border);
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{ transform: translateY(-6px); box-shadow: 0 14px 40px rgba(2,6,23,0.6); }
.card h3{margin:0;font-size:16px}
.meta{color:var(--muted);font-size:13px}
.price{font-weight:800;color:var(--accent)}
.actions{margin-top:auto;display:flex;gap:8px;align-items:center}
.btn{background:linear-gradient(180deg,var(--accent), #2b93ff);color:#042033;border:none;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:700}
.btn:disabled{opacity:0.45;cursor:not-allowed}
.secondary{background:transparent;border:1px solid rgba(255,255,255,0.04);color:var(--accent);padding:8px 10px;border-radius:8px}
.small{padding:6px 8px;font-size:13px}

/* admin layout */
.admin{
  display:grid;
  grid-template-columns:360px 1fr;
  gap:18px;
}
.card-compact{
  padding:14px;
  border-radius:12px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.02));
}

/* forms */
.form label{display:block;margin-bottom:10px;font-size:13px}
.form input, .form select, .form textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:10px;margin-top:6px;background:rgba(255,255,255,0.02);color:inherit}

/* lists */
.product-row{
  display:flex;align-items:center;justify-content:space-between;padding:12px 6px;border-bottom:1px dashed rgba(255,255,255,0.02);
}
.product-info{display:flex;flex-direction:column}
.product-controls{display:flex;gap:6px}

/* empty */
.empty{text-align:center;color:var(--muted);padding:18px;border-radius:10px;background:linear-gradient(90deg, rgba(255,255,255,0.01), rgba(0,0,0,0.01));border:1px dashed rgba(255,255,255,0.02);margin-top:12px}

/* Floating action button */
.fab{
  position:fixed;right:18px;bottom:18px;border-radius:50%;width:56px;height:56px;background:linear-gradient(180deg,var(--accent), #2b93ff);color:#021226;border:none;font-size:20px;cursor:pointer;box-shadow:0 12px 30px rgba(43,147,255,0.18);
}

/* modal */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,6,23,0.6);z-index:80;padding:20px;opacity:0;pointer-events:none;transition:opacity .18s ease}
.modal[aria-hidden="false"]{opacity:1;pointer-events:auto}
.modal-panel{width:100%;max-width:520px;background:linear-gradient(180deg,#07121a 0%, #081522 100%);padding:18px;border-radius:12px;border:1px solid var(--border);position:relative}
.modal-close{position:absolute;left:12px;top:10px;background:transparent;border:none;color:var(--muted);font-size:22px;cursor:pointer}
.form-vertical label{display:block;margin-bottom:10px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}

/* responsive */
@media (max-width:980px){
  .admin{grid-template-columns:1fr; padding-bottom:120px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}