:root {
  --primary: #4caf50;
  --primary-dark: #4bc94f;
  --bg: #f4f6f9;
  --white: #fff;
  --text: #333;
  --border-color: #e2e2e2;
  --radius: 12px;
  --shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
  --transition: 0.3s ease;
  --fs-table: clamp(0.5rem, 2vw, 0.8rem);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  max-width: 100vw;
}

body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  width: 100%;
  max-width: 100%;
}

html {
  width: 100%;
  overflow-x: hidden;
}

.header-bar {
  background: var(--primary);
  color: var(--white);
}

main {
  padding: 4rem 1rem 1rem 1rem;
  max-width: 1400px;
  margin: auto;
  flex: 1;
}

h1 {
  margin: 0.4rem 0 1rem 0;
  text-align: center;
  color: var(--primary);
}

h2 {
  margin: 0.5rem 0;
}

h6 {
  text-align: center;
  color: var(--primary);
  font-size: clamp(0.7rem, 2vw, 1rem);
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--primary);
  color: var(--white);
  padding: 0.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  z-index: 1000;
}

nav a.logo {
  text-decoration: none;
  color: var(--bg);
  font-size: 1.5rem;
  font-weight: 600;
  transition: color var(--transition);
}

a {
  text-decoration: none;
  color: inherit;
  display: block;
  -webkit-tap-highlight-color: transparent; /* iOS/Android */
  outline: none; /* evita contorno */
}

a:focus {
  outline: none; /* quita el borde azul de accesibilidad */
}

.enunciado {
  text-decoration: none;
  align-self: flex-start;
  color: var(--primary);
  font-size: 1.14rem;
  font-weight: 450;
  margin: 0.5rem;
}

p.enunciado {
  color: var(--text);
  margin: 0 0.4rem;
}

/* Aviso Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal-content {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  text-align: center;
}

.modal-content h2 {
  margin-top: 0;
}

label {
  margin-top: 0.9rem;
}

.desktop-menu {
  display: flex;
  font-size: 0.9rem;
}

.desktop-menu a {
  margin-left: 1rem;
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.desktop-menu a:hover,
a.logo:hover,
.mobile-menu-icon:hover,
.btn:hover,
.btn-flecha:hover {
  color: var(--text);
}

.mobile-menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition);
  z-index: 15;
  overflow: hidden;
}

.overlay.visible {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  max-width: 100vw;
  background: var(--bg);
  box-shadow: var(--shadow);
  transform: translateY(-100%);
  transition: transform var(--transition);
  z-index: 20;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu button.close {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-menu a {
  margin: 0.5rem 0;
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: none;
}

.btn-step-back,
.btn-step-next {
  display: none;
}

.card,
.card2,
.card3 {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 330px;
  margin-top: 1rem;
}

.card2,
.card3 {
  padding: 1rem;
}

.card2 table {
  width: auto; /* no ocupa todo el ancho por defecto */
  max-width: 100%; /* pero nunca se desborda */
  margin: 0 auto; /* centrada */
}

.card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.card img {
  width: 100%;
  height: auto;
  display: block;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  object-fit: cover;
}

.card-inferior {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 1rem;
  position: relative;
  flex: 1;
}

.btn {
  background: var(--primary);
  color: #fff;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition);
  margin-top: 1.2rem;
  font-size: 1.1rem;
}

.btn:hover {
  background: var(--primary-dark);
}

.btn-flecha {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  padding: 0 0.4rem 0.4rem 0.4rem;
  border: none;
  border-radius: 30px;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition);
  margin-top: 1.2rem;
  font-size: 1.1rem;
}

.btn-flecha-container {
  width: 100%;
}

.form-flex {
  margin-top: initial;
  display: flex;
  justify-content: flex-end;
  min-height: 100%;
  gap: 1.5rem;
  padding: 0.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem 0.6rem;
}

.footer {
  font-size: 0.8rem;
}

.form-grid label {
  font-weight: 500;
  font-size: clamp(0.75rem, 1vw, 1rem);
  margin: 0.2rem;
  display: block;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 0.4rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.form-grid input:focus,
.form-grid textarea:focus {
  border-color: var(--primary);
  outline: none;
}

.form-grid input,
.form-grid select {
  background: var(--bg);
  cursor: pointer;
}

.form-grid select:focus {
  border-color: var(--primary);
  outline: none;
}

.form-grid option {
  font-weight: normal;
  display: block;
  padding-block-start: 0px;
  padding-block-end: 1px;
  min-block-size: 1.2em;
  padding-inline: 2px;
  white-space: nowrap;
}

.form-full {
  grid-column: 1 / -1;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0rem;
  table-layout: fixed;
}

.table2 .table3 {
  border: 1px solid;
  border-color: var(--border-color);
  border-radius: 0 0 var(--radius) var(--radius);
}

.table3 {
  table-layout: unset;
}

.table-zoom-container {
  overflow-x: auto;
  margin: auto;
  font-size: clamp(0.2rem, 1vw, 0.8rem);
  white-space: nowrap; /* evita saltos de línea */
}

.tr1 {
  white-space: normal;
  word-wrap: nowrap;
  text-align: left;
  vertical-align: middle;
}

th,
td {
  border: 1px solid;
  border-color: var(--border-color);
  padding: 0.6rem;
  white-space: normal; /* permite salto de línea */
}

th {
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  padding: 0.4rem;
}

td {
  text-align: center;
  font-size: 0.7rem;
}

thead {
  background: var(--primary);
  color: #fff;
}

tbody tr:nth-child(even) {
  background: #f9f9f9;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
}

footer.footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 0.3rem;
  margin-top: auto;
}

.tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
  margin-left: 6px;
  color: var(--primary);
  font-weight: bold;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  background: #333;
  color: white;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 1rem;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  top: -35px;
  left: 50%;
  transform: translateX(-50%) translateY(-5px);
  pointer-events: none;
  z-index: 10;
}

.tooltip:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-10px);
}

select:invalid,
input:invalid,
textarea:invalid .invalid {
  border-color: red !important;
}

.error-message {
  color: red;
  font-size: 0.65rem;
  margin: 4px 0 0 4px;
  display: none;
}

/* ESTRUCTURA DE TABLAS COMPUESTA */
/* Contenedor general de tablas */
.contenedor-tablas {
  display: flex;
  flex-direction: column;
  width: 100%;
  box-sizing: border-box;
}

/* Parte 1: tabla principal arriba */
.parte1-wrap {
  width: 100%;
}

.parte1-wrap .tabla-principal-encabezado,
.parte1-wrap .tabla-principal-parte1 {
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  box-shadow: var(--shadow);
  table-layout: unset;
}

.parte1-wrap .tabla-principal-encabezado {
  margin-bottom: 0.6rem;
  border-radius: var(--radius);
}

.parte1-wrap .tabla-principal-parte1 {
  width: 100%;
  border-radius: var(--radius) var(--radius) 0 var(--radius);
}

.parte1-wrap .tabla-principal-encabezado td {
  padding: 8px;
  font-size: clamp(0.3rem, 2vw, 0.6rem);
  border: 1px solid #e0e0e0;
  text-align: right;
}

.parte1-wrap .tabla-principal-parte1 th,
.parte1-wrap .tabla-principal-parte1 td {
  padding: 8px;
  font-size: var(--fs-table);
  border: 1px solid #e0e0e0;
  text-align: right;
}

.parte1-wrap .tabla-principal-parte1 th {
  background-color: var(--primary);
  color: var(--white);
  text-align: left;
}

/* Contenedor inferior: mantiene fila de dos tablas lado a lado */
.parte-inferior {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  box-sizing: border-box;
  /* overflow-x: auto; */ /*en móvil permite scroll si no cabe */
}

/* Tabla pequeña a la izquierda */
.tabla-pequena {
  margin-top: 1rem;
}

.small-wrap {
  max-width: 40%;
  /*min-width: 200px;*/
  box-sizing: border-box;
  margin: 2% 0 0 6%;
}

.small-wrap .tabla-pequena {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.small-wrap .tabla-pequena th,
.small-wrap .tabla-pequena td {
  padding: 6px;
  font-size: clamp(0.2rem, 1vw, 0.5rem);
  border: 1px solid #e0e0e0;
  text-align: right;
}

.small-wrap .tabla-pequena th {
  background-color: var(--primary);
  color: var(--white);
  text-align: left;
}

/* Parte 2 a la derecha*/
.parte2-wrap {
  max-width: 39.5%;
  /*min-width: 150px;*/
  box-sizing: border-box;
}

.parte2-wrap .tabla-principal-parte2 {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 0 0 var(--radius) 0;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.parte2-wrap .tabla-principal-parte2 th,
.parte2-wrap .tabla-principal-parte2 td {
  padding: 8px;
  font-size: 12px;
  border: 1px solid #e0e0e0;
  text-align: right;
}

.parte2-wrap .tabla-principal-parte2 th {
  background-color: var(--primary);
  color: var(--white);
  text-align: left;
}

/* Tabla saltos de antigüedad */
.contenedor-tabla {
  max-height: 500px;
  overflow: auto;
  border: 1px solid #ccc;
}

.tabla-pro {
  border-collapse: collapse;
  width: max-content;
}

.tabla-pro th,
.tabla-pro td {
  border: 1px solid #ddd;
  padding: 4px 6px;
  text-align: center;
}

.tabla-pro th {
  background: var(--primary);
  color: white;
  position: sticky;
  top: 0;
}

.resaltado-pro {
  background: linear-gradient(135deg, #4caf50, #2e7d32);
  color: white;
  font-weight: bold;
  transform: scale(1.1);
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.actual {
  background: linear-gradient(135deg, #2196f3, #0d47a1);
  color: white;
  font-weight: bold;
  transform: scale(1.1);
  box-shadow: 0 0 10px rgba(0,0,0,0.4);
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .desktop-menu {
    display: none;
  }

  .mobile-menu-icon {
    display: block;
  }

  .card {
    min-height: 300px;
  }

  .card3 {
    padding: 0.5rem;
    min-height: 300px;
  }

  th,
  td {
    padding: 0.3rem;
    white-space: wrap;
  }
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-flex {
    display: grid;
    min-height: 100%;
    gap: 0.7rem;
    padding: 0;
  }

  .card3 {
    padding: 0.5rem;
  }

  .table-zoom-container {
    overflow-x: auto;
    margin: auto;
    white-space: nowrap;
  }

  /* Ajustar anchos: pequeña 60%, parte2 40% */
  .small-wrap {
    max-width: 60%;
  }

  .parte2-wrap {
    max-width: 40%;
  }

  /* Reducir tamaño letra tablas */
  .parte1-wrap .tabla-principal-encabezado td {
    font-size: clamp(0.3rem, 2vw, 0.6rem);
    padding: 6px;
    text-align: left;
}

  .parte1-wrap .tabla-principal-parte1 th,
  .parte1-wrap .tabla-principal-parte1 td {
    font-size: var(--fs-table);
    padding: 6px;
  }

  .small-wrap .tabla-pequena th,
  .small-wrap .tabla-pequena td {
    font-size: 6px;
    padding: 4px;
  }

  .parte2-wrap .tabla-principal-parte2 th,
  .parte2-wrap .tabla-principal-parte2 td {
    font-size: var(--fs-table);
    padding: 6px;
  }

  th,
  td {
    font-size: 0.3rem;
  }

  th {
    font-size: 0.2rem;
  }
}

@media (max-width: 600px) {
  main {
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    align-items: center;
    flex: 1;
    padding-top: 5rem;
    max-width: 100vw;
  }

  .enunciado {
    font-size: 1.2rem;
  }

  .form-steps .step {
    display: none;
  }

  .form-steps .step.active {
    display: block;
  }

  .btn-step-next {
    display: block;
    margin-top: 1rem;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .card3 {
    min-height: auto;
  }

  th,
  td {
    padding: 0.1rem;
  }
}