:root{
  --font_base: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --bg: #0f172a;
  --panel: #111827;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: rgba(255,255,255,0.10);
  --accent: #f59e0b;
}

*{ box-sizing:border-box; }

html, body{ height:100%; }

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

a{ color: inherit; text-decoration: none; }

.site_hero{
  background: radial-gradient(1200px 500px at 20% 0%, rgba(245,158,11,0.18), transparent 55%),
              radial-gradient(900px 400px at 80% 10%, rgba(59,130,246,0.12), transparent 60%),
              linear-gradient(180deg, rgba(17,24,39,0.85), rgba(15,23,42,0.95));
  border-bottom: 1px solid var(--border);
}

.hero_card{
  background: rgba(17,24,39,0.6);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
}

.section_title{
  font-weight: 800;
  letter-spacing: .3px;
}

.muted{ color: var(--muted); }

.card_dark{
  background: rgba(17,24,39,0.65);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.product_card{
  background: rgba(17,24,39,0.70);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.product_card .p_meta{
  color: var(--muted);
  font-size: 13px;
}

.badge_unit{
  background: rgba(245,158,11,0.12);
  color: #fbbf24;
  border: 1px solid rgba(245,158,11,0.25);
}

.cart_fab{
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 12px;
  z-index: 1040;
  background: linear-gradient(180deg, transparent, rgba(15,23,42,0.95) 40%, rgba(15,23,42,1));
}

.site_footer{
  border-top: 1px solid var(--border);
  background: rgba(17,24,39,0.45);
}

.form_control_dark,
.form_select_dark{
  background: rgba(2,6,23,0.55) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
}

.form_control_dark::placeholder{
  color: rgba(156,163,175,0.75);
}

.table_dark_custom{
  --bs-table-bg: rgba(17,24,39,0.65);
  --bs-table-border-color: rgba(255,255,255,0.10);
  --bs-table-color: var(--text);
}

.small_hint{
  font-size: 12px;
  color: var(--muted);
}