:root {
  --font: "Vazirmatn", system-ui, sans-serif;
  --bg: #f5f0eb;
  --surface: #fff;
  --text: #3d2314;
  --muted: #888;
  --border: #e8dfd6;
  --accent: #c67c4e;
  --accent-dark: #9a5c32;
  --danger: #e74c3c;
  --success: #2d6a4f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

body.admin { background: #ece6df; }

.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: #3d2314;
  color: #fff;
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-brand, .sidebar-brand {
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.5rem;
}

.admin-nav, .sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-item {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  font-weight: 600;
}

.nav-item.active, .nav-item:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.admin-main {
  padding: 1.5rem;
  overflow: auto;
}

.admin-header h1 { margin: 0 0 1rem; }

.admin-panel { display: none; }
.admin-panel.active { display: block; }

.stats-grid, .stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-card strong, .stat-num { font-size: 1.4rem; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.form-row { margin-bottom: 1rem; }
.form-row label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
}
.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-hint {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: inherit; border: 1px solid var(--border); }
.btn-sm { font-size: 0.82rem; padding: 0.45rem 0.75rem; }
.btn-xs { font-size: 0.75rem; padding: 0.35rem 0.55rem; }

.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 14px;
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: right;
  vertical-align: middle;
}
.data-table th { background: #faf6f1; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-ok { background: #d8f3dc; color: var(--success); }
.badge-off { background: #fdecea; color: var(--danger); }

.product-row.hidden { display: none; }
.product-thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 8px; }

.flash-container { margin-bottom: 1rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin-bottom: 0.5rem;
}
.flash-success { background: #d8f3dc; color: var(--success); }
.flash-error { background: #fdecea; color: var(--danger); }

.product-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.product-filters input, .product-filters select {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
}

.login-page,
body.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: linear-gradient(160deg, #f5f0eb 0%, #e8dfd6 100%);
}

.login-wrap {
  width: 100%;
  max-width: 380px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(61, 35, 20, 0.08);
  text-align: center;
}

.login-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f3e8df;
}

.login-icon i {
  font-size: 1.75rem;
  color: var(--accent-dark);
}

.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 800;
}

.login-sub {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.login-form {
  text-align: right;
}

.login-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.88rem;
}

.login-form input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(198, 124, 78, 0.15);
}

.btn-block {
  width: 100%;
}

.back-link {
  display: inline-block;
  margin-top: 1.25rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.back-link:hover {
  color: var(--accent-dark);
}

.login-card .flash {
  text-align: right;
  margin-bottom: 1rem;
}

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: sticky; top: 0; z-index: 10; }
  .stats-grid, .stats-row { grid-template-columns: repeat(2, 1fr); }
  .form-row.two-col { grid-template-columns: 1fr; }
}