:root {
  --bg: #f5f7fb;
  --sidebar: #111827;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #f59e0b;
  --purple: #7c3aed;
  --pink: #db2777;
  --cyan: #0891b2;
  --text: #111827;
  --muted: #6b7280;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 18px 45px rgba(37, 99, 235, 0.13);
  --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans Georgian", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.13), transparent 32rem),
    radial-gradient(circle at top right, rgba(219, 39, 119, 0.10), transparent 28rem),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 42%, #eef6ff 100%);
}
a { color: inherit; text-decoration: none; }
input, select, textarea, button {
  font: inherit;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px;
  border-top: 5px solid var(--primary);
}
.login-card h1 { margin: 0 0 8px; }
.login-card p { color: var(--muted); margin-top: 0; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}
.sidebar {
  background:
    linear-gradient(180deg, #0f172a 0%, #111827 48%, #172554 100%);
  color: #fff;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-weight: 800;
  font-size: 20px;
  margin-bottom: 28px;
  padding: 14px 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37,99,235,.35), rgba(219,39,119,.22));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.brand span { color: #fde68a; }
.sidebar nav { display: grid; gap: 6px; }
.sidebar a {
  color: #cbd5e1;
  padding: 11px 12px;
  border-radius: 8px;
}
.sidebar a:hover, .sidebar a.active {
  background: linear-gradient(135deg, rgba(37,99,235,.8), rgba(124,58,237,.75));
  color: #fff;
  box-shadow: 0 10px 22px rgba(37,99,235,.25);
}
.main { min-width: 0; }
.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar h1 { margin: 0; font-size: 26px; letter-spacing: -0.01em; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.user-chip {
  display: grid;
  justify-items: end;
  gap: 2px;
  font-size: 14px;
}
.user-chip small { color: var(--muted); }
.user-chip a { color: var(--danger); font-weight: 700; }
.content { padding: 28px; }

.grid { display: grid; gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.09);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--cyan), var(--success));
}
.card h2, .card h3 { margin: 0 0 14px; letter-spacing: -0.01em; }
.stat {
  display: grid;
  gap: 8px;
  min-height: 112px;
  color: #fff;
  border: 0;
}
.stat::before { display: none; }
.stat span { color: rgba(255,255,255,.84); font-size: 13px; }
.stat strong { font-size: 25px; }
.accent-blue { background: linear-gradient(135deg, #2563eb, #06b6d4); }
.accent-green { background: linear-gradient(135deg, #16a34a, #22c55e); }
.accent-orange { background: linear-gradient(135deg, #f59e0b, #f97316); }
.accent-purple { background: linear-gradient(135deg, #7c3aed, #db2777); }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  margin-bottom: 16px;
}
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 700;
}
input, select, textarea {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  background: #fff;
  color: var(--text);
  min-width: 0;
}
[hidden] { display: none !important; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #60a5fa;
  box-shadow: 0 0 0 4px rgba(37,99,235,.12);
}
textarea { min-height: 84px; resize: vertical; }
.field-inline { min-width: 170px; }
.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 15px;
  cursor: pointer;
  font-weight: 800;
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); box-shadow: 0 10px 22px rgba(37,99,235,.24); }
.btn.success { background: linear-gradient(135deg, var(--success), #22c55e); color: #fff; }
.btn.danger { background: var(--danger); color: #fff; }
.btn.light { background: linear-gradient(135deg, #eef2ff, #e0f2fe); color: var(--primary); }
.btn.warning { background: linear-gradient(135deg, var(--warning), #f97316); color: #111827; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}
th, td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: #f8fbff; }
tr:last-child td { border-bottom: 0; }
.muted { color: var(--muted); }
.pill {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: linear-gradient(135deg, #dbeafe, #e0e7ff);
  color: var(--primary);
}
.pill.off { background: #fee2e2; color: var(--danger); }
.alert {
  padding: 10px 12px;
  border-radius: 8px;
  background: #eff6ff;
  color: var(--primary);
}
.alert.danger { background: #fee2e2; color: var(--danger); }
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: #111827;
  color: #fff;
  padding: 12px 14px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: .2s ease;
  z-index: 30;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

.pos-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 18px;
}
.cart-total {
  font-size: 28px;
  font-weight: 900;
}
.search-results {
  display: grid;
  gap: 8px;
}
.result-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(15,23,42,.06);
  text-align: left;
}
.result-card:hover { border-color: #93c5fd; box-shadow: 0 14px 30px rgba(37,99,235,.13); }
.product-image {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.mini-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 10px;
  align-items: end;
  margin-bottom: 12px;
}
.variant-builder {
  border: 1px solid #dbeafe;
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  padding: 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 14px 30px rgba(37,99,235,.08);
}
.variant-card-list {
  display: grid;
  gap: 14px;
}
.variant-card {
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: #fff;
  padding: 14px;
  box-shadow: 0 12px 26px rgba(15,23,42,.07);
}
.variant-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.variant-fields {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 10px;
}
.variant-stock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #bfdbfe;
}
.selected-box {
  border: 1px dashed #93c5fd;
  background: #eff6ff;
  border-radius: 12px;
  padding: 12px;
  font-weight: 700;
}
.search-results.compact {
  max-height: 260px;
  overflow: auto;
}
.picker-result {
  width: 100%;
  cursor: pointer;
}

@media (max-width: 1000px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
  }
  .sidebar nav {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }
  .pos-grid, .grid.two, .grid.three, .grid.four {
    grid-template-columns: 1fr;
  }
  .variant-fields {
    grid-template-columns: repeat(2, minmax(150px, 1fr));
  }
  .topbar { align-items: flex-start; }
}

@media (max-width: 640px) {
  .content, .topbar { padding: 18px; }
  .topbar { flex-direction: column; }
  .user-chip { justify-items: start; }
  .mini-form { grid-template-columns: 1fr; }
  .variant-fields, .variant-stock-grid { grid-template-columns: 1fr; }
  .variant-card-head { align-items: flex-start; flex-direction: column; }
}