/* ========================
   RESET Y BASE
======================== */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', sans-serif;
  min-height: 100%;
  padding: 40px 20px;
  background: linear-gradient(to bottom right, orange, purple);
  color: #f1f5f9;
  box-sizing: border-box;
}

/* ========================
   ENCABEZADO + PANEL
======================== */
h1 {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: #fff;
}

.config {
  max-width: 600px;
  margin: 0 auto 50px;
  padding: 30px;
  background: rgba(32, 32, 32, 1);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.config form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Agrupación Tablas + Columnas + Filas */
.grupo-cantidad {
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.campo {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.campo label {
  font-weight: 500;
  font-size: 14px;
  color: #e2e8f0;
}

/* ========================
   INPUTS Y CHECKBOXES
======================== */
input[type="number"],
select {
  padding: 10px;
  font-size: 16px;
  border-radius: 8px;
  border: 1px solid #475569;
  background: #0f172a;
  color: #f8fafc;
  width: 100%;
  box-sizing: border-box;
  transition: border 0.2s ease, background 0.2s ease;
}

input[type="number"]:focus {
  border-color: #7c3aed;
  outline: none;
  background: #1e293b;
}

.grupo-checks {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 10px;
}

.grupo-checks input[type="checkbox"] {
  margin-right: 8px;
}

/* ========================
   BOTONES
======================== */
button {
  padding: 12px;
  font-size: 16px;
  background: #7c3aed;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #6d28d9;
}

#btn-imprimir {
  background: #64748b;
  margin-top: 5px;
}

#btn-imprimir:hover {
  background: #475569;
}

/* Centrado del botón */
button.centrado {
  display: block;
  margin: 30px auto 0 auto;
}

/* ========================
   CONTENEDOR DE TABLAS
======================== */
#tablas-container {
  display: grid;
  gap: 20px;
  justify-content: center;
  margin: 40px auto;
  width: 95%;
}

.layout-cuadrada {
  display: grid;
  gap: 20px;
}

.layout-vertical {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* ========================
   TABLAS Y CELDAS (NO TOCAR)
======================== */
.tabla-wrapper {
  padding: 10px;
  background: linear-gradient(to bottom, orange, purple);
  border-radius: 4px;
  box-sizing: border-box;
  break-inside: avoid;
  page-break-inside: avoid;
}

.tabla {
  display: grid;
  background: white;
  border: none;
  box-sizing: border-box;
  overflow: hidden;
  break-inside: avoid;
  page-break-inside: avoid;
}

.celda {
  border: 1px solid #ddd;
  width: 100%;
  aspect-ratio: 9 / 14;
  position: relative;
  overflow: hidden;
}

.celda img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}