/* ============================================================
   ESTILOS GENERALES - Fábrica Pro / Formoblock
   Cubre todas las clases usadas en dashboard.js, produccion.js,
   ventas.js, materias.js y gastos.js, sin tocar esos archivos.
   ============================================================ */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --text: #111827;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --bg: #f3f4f6;
  --card-bg: #ffffff;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

/* ---------- Header ---------- */
header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-weight: 600;
}
.status-online { background: #dcfce7; color: var(--success); }
.status-offline { background: #fee2e2; color: var(--danger); }

.btn-sync {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-sync:hover { background: var(--primary-dark); }

/* ---------- Navegación por pestañas ---------- */
nav {
  display: flex;
  gap: 0.25rem;
  background: var(--card-bg);
  padding: 0 1rem;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---------- Layout general ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- Tarjetas ---------- */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.card h2 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.card h3 { margin: 0 0 0.75rem; font-size: 1rem; }

/* ---------- Grillas de formulario ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; }

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  background: white;
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

/* ---------- Botones ---------- */
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.25rem;
}
.btn-submit:hover { filter: brightness(0.92); }

.btn-edit {
  background: var(--text-light);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-edit:hover { filter: brightness(0.9); }

/* ---------- Tablas ---------- */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { padding: 0.6rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-light); }
tr:last-child td { border-bottom: none; }

/* ---------- Estadísticas del dashboard ---------- */
.stat-box {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: left;
}
.stat-value { font-size: 1.6rem; font-weight: 800; margin: 0.2rem 0 0; }

/* ---------- Colores de texto reutilizables ---------- */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.text-warning { color: var(--warning); }
.text-light { color: var(--text-light); }

/* ---------- Badges (categoría / estado) ---------- */
.badge {
  display: inline-block;
  background: #eef2ff;
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
}

/* ---------- Modales ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
  align-items: center;
  justify-content: center;
  z-index: 900;
  padding: 1rem;
}
.modal-content {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  header { flex-direction: column; align-items: flex-start; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}