:root {
  --bg: #0f1115;
  --card: #171a21;
  --card-2: #1e2330;
  --line: rgba(255,255,255,.08);
  --text: #f4f6f8;
  --muted: #a8b0bd;
  --accent: #f49a20;
  --accent-2: #ffd38f;
  --green: #2ecc71;
  --red: #ff5d5d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Tajawal', sans-serif;
  background: linear-gradient(180deg, #0c0e12 0%, #121620 100%);
  color: var(--text);
}
.app-shell { max-width: 1400px; margin: 0 auto; padding: 24px; }
.topbar {
  display:flex; justify-content:space-between; gap:16px; align-items:flex-start;
  margin-bottom:24px;
}
.eyebrow { color: var(--accent-2); font-size: 13px; margin-bottom: 6px; }
h1 { margin: 0 0 6px; font-size: 34px; }
.muted { color: var(--muted); }
.status-pill, .badge {
  border:1px solid var(--line); background: rgba(255,255,255,.04); color: var(--muted);
  padding:10px 14px; border-radius: 999px; font-size: 13px; display:inline-flex; align-items:center;
}
.card {
  background: rgba(23,26,33,.92); border:1px solid var(--line); border-radius:24px; padding:20px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25); backdrop-filter: blur(6px);
}
.card-title-row { display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom: 18px; }
.grid { display:grid; gap:16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: 1.2fr 1fr .9fr; }
label { display:block; margin-bottom: 8px; color: var(--accent-2); font-weight: 700; }
input, select, textarea {
  width:100%; border-radius:16px; border:1px solid var(--line); background: #11151c; color: var(--text);
  padding:14px 16px; font-family: inherit; font-size: 15px;
}
textarea { min-height: 84px; resize: vertical; }
.btn {
  border:0; border-radius:18px; padding:14px 20px; font-family: inherit; font-weight: 800; cursor:pointer;
}
.btn.primary { background: var(--accent); color:#1b1204; }
.btn.secondary { background: #242b39; color: var(--text); border:1px solid var(--line); }
.login-card, .controls-card, .save-card { margin-bottom: 18px; }
.products-grid {
  display:grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap:18px;
}
.product-card {
  background: linear-gradient(180deg, rgba(30,35,48,.96) 0%, rgba(18,21,28,.98) 100%);
  border:1px solid var(--line); border-radius:24px; overflow:hidden;
}
.product-image-wrap { background:#0e1118; height: 260px; display:flex; align-items:center; justify-content:center; }
.product-image-wrap img { width:100%; height:100%; object-fit:cover; }
.product-body { padding:16px; }
.product-meta { display:flex; gap:10px; flex-wrap:wrap; margin:8px 0 14px; }
.meta-pill {
  padding:8px 10px; border-radius:999px; background:rgba(255,255,255,.05); border:1px solid var(--line); font-size:13px; color:var(--muted);
}
.product-title { margin:0 0 8px; font-size: 22px; }
.product-sub { color: var(--accent-2); font-size: 13px; }
.qty-row { display:grid; grid-template-columns: 1fr 1fr; gap:12px; margin-top: 12px; }
.helper-row { display:flex; justify-content:space-between; align-items:center; margin-top: 12px; font-size: 13px; }
.helper-row .expected { color: var(--muted); }
.helper-row .variance.pos { color: var(--green); }
.helper-row .variance.neg { color: var(--red); }
.helper-row .variance.zero { color: var(--accent-2); }
.stats-box {
  display:grid; grid-template-columns: 1fr 1fr; gap:12px;
}
.stats-box > div {
  border:1px solid var(--line); border-radius:18px; padding:14px; text-align:center; background:#11151c;
}
.stats-box strong { display:block; font-size: 22px; margin-bottom:4px; }
.hidden { display:none !important; }
.save-summary { display:flex; justify-content:space-between; align-items:center; gap:14px; }
.save-actions { display:flex; gap:10px; flex-wrap:wrap; }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(120px);
  background: #11151c; color: var(--text); border:1px solid var(--line); border-radius:999px;
  padding:14px 18px; transition: .25s ease; z-index:9999;
}
.toast.show { transform: translateX(-50%) translateY(0); }
@media (max-width: 900px) {
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .topbar, .save-summary { flex-direction:column; align-items:stretch; }
  .product-image-wrap { height: 220px; }
  .app-shell { padding: 14px; }
}