/* ===== VARIABLES NEUMORFISMO CON BASE BLANCA ===== */
:root {
  --primary-bg: #e6e9f0;
  --card-bg: #ffffff;
  --text-dark: #2c3e50;
  --text-medium: #34495e;
  --text-light: #7f8c8d;
  --accent-blue: #3498db;
  --accent-blue-dark: #2980b9;
  --shadow-dark: rgba(163, 177, 198, 0.5);
  --shadow-light: rgba(255, 255, 255, 0.8);
  --border-light: #ecf0f1;

  /* Escala tipográfica estandarizada */
  --font-size-h1: 2rem;
  /* 32px */
  --font-size-h2: 1.5rem;
  /* 24px */
  --font-size-h3: 1.25rem;
  /* 20px */
  --font-size-body: 1rem;
  /* 16px */
  --font-size-small: 0.875rem;
  /* 14px */
  --font-size-tiny: 0.75rem;
  /* 12px */
}

/* ===== VARIABLES MODO OSCURO ===== */
[data-theme="dark"] {
  --primary-bg: #1a1d2e;
  --card-bg: #252938;
  --text-dark: #e8eaf0;
  --text-medium: #c5c9d6;
  --text-light: #9ba3b4;
  --accent-blue: #5dade2;
  --accent-blue-dark: #3498db;
  --shadow-dark: rgba(0, 0, 0, 0.5);
  --shadow-light: rgba(255, 255, 255, 0.05);
  --border-light: #3a3f51;
}

/* ===== ESTILOS GENERALES NEUMORFISMO BLANCO ===== */
body,
html {
  display: flex;
  flex-direction: column;
  background-color: var(--primary-bg);
  background-attachment: fixed;
  margin: 0;
  padding: 0;
  text-align: center;
  box-sizing: border-box;
  height: 100%;
  min-height: 100vh;
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
}

html {
  font-size: 16px;
  /* Base para rem */
}

body {
  font-size: 1rem;
  /* 16px */
  line-height: 1.6;
  /* Mejor legibilidad */
}

/* Ajustes del main para evitar solapamiento y centrar contenido */
main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 15px;
  margin-bottom: 40px;
  padding: 0 20px;
  width: 100%;
  max-width: 1000px;
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
}

/* Ajuste específico para index.html en todos los tamaños de pantalla */
main[style*="margin-top: 100px"] {
  margin-top: 30px !important;
}

/* ===== CABECERA NEUMORFISMO ===== */
header {
  background-color: var(--card-bg);
  color: var(--text-dark);
  text-align: center;
  font-size: var(--font-size-small);
  width: 100%;
  left: 0;
  right: 0;
  position: fixed;
  z-index: 1000;
  top: 0;
  height: auto;
  min-height: 90px;
  padding-bottom: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border-bottom: 1px solid var(--border-light);
}

/* ===== PIE DE PÁGINA NEUMORFISMO ===== */
footer {
  bottom: 0;
  padding: 1px;
  height: 100px;
  background-color: var(--card-bg);
  color: var(--text-dark);
  text-align: center;
  font-size: var(--font-size-small);
  width: 100%;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-top: 0;
}

footer nav {
  margin-top: 10px;
}

footer nav a {
  display: inline-block;
  margin: 0 10px;
}

.footer-info {
  margin-top: 20px;
}

footer .legal-link {
  color: var(--accent-blue);
  font-weight: 600;
  font-size: var(--font-size-tiny);
  text-decoration: none;
  font-family: 'Arial', sans-serif;
}

footer .legal-link:hover {
  color: var(--accent-blue-dark);
  text-decoration: underline;
}

/* Icono de Facebook en el footer */
.fa-facebook {
  color: var(--accent-blue);
  font-size: var(--font-size-body);
  transition: all 0.3s ease;
}

.fa-facebook:hover {
  color: var(--accent-blue-dark);
  transform: scale(1.2);
}

/* ===== PAGE NAVIGATION BAR ===== */
.page-nav {
  width: 100%;
  background-color: var(--card-bg);
  padding: 25px 0;
  box-shadow:
    -4px -4px 8px var(--shadow-dark),
    4px 4px 8px var(--shadow-light);
  border-top: 1px solid var(--border-light);
  margin-bottom: 0;
}

.page-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
}

.page-nav li {
  position: relative;
}

.page-nav a {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 8px 30px;
  border-radius: 15px;
  background: var(--card-bg);
  color: var(--text-dark);
  transition: all 0.3s ease;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
  overflow: hidden;
  white-space: nowrap;
}

.page-nav a:hover {
  background: #ff8800;
  color: #0f0f0f;
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

/* Dark mode hover */
[data-theme="dark"] .page-nav a:hover {
  color: #ffffff;
}

.page-nav .nav-icon {
  font-size: 20px;
  min-width: 20px;
  display: inline-block;
  transition: all 0.3s ease;
}

.page-nav .nav-text {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  margin-left: 0;
  transition: all 0.4s ease;
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-small);
  font-weight: 600;
}

.page-nav a:hover .nav-text {
  max-width: 200px;
  opacity: 1;
  margin-left: 10px;
}

/* Active page state - keeps button expanded */
.page-nav a.active {
  background: #ff8800;
  color: #0f0f0f;
}

[data-theme="dark"] .page-nav a.active {
  color: #ffffff;
}

.page-nav a.active .nav-text {
  max-width: 200px;
  opacity: 1;
  margin-left: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-nav ul {
    gap: 15px;
  }

  .page-nav a {
    padding: 10px 12px;
  }

  .page-nav .nav-icon {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .page-nav ul {
    gap: 10px;
  }

  .page-nav a {
    padding: 8px 10px;
  }

  .page-nav .nav-icon {
    font-size: 16px;
  }
}


/* ===== TIPOGRAFÍA ===== */
h1,
h2,
h3 {
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
  font-weight: 600;

}

h1 {
  font-size: var(--font-size-h1);
  line-height: 1.3;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: 1.35;
}

h3 {
  font-size: var(--font-size-h3);
  line-height: 1.4;
}

h5 {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-small);
  line-height: 1.5;
  color: var(--text-medium);
}

p {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--text-medium);
}

/* ===== MENÚ DE NAVEGACIÓN NEUMORFISMO ===== */
nav ul.menu {
  list-style-type: none;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

nav ul.menu li {
  display: inline-block;
  margin: 0 3px;
}

nav ul.menu li a {
  display: inline-block;
  background: var(--card-bg);
  color: var(--accent-blue);
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-small);
  text-decoration: none;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  font-weight: 600;
  border: 1px solid var(--border-light);
}

nav ul.menu li a:hover {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

nav ul.menu li a:active {
  color: var(--accent-blue-dark);
  transform: translateY(0);
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
}

/* Botones */
.boton-expansion,
.timer-btn,
.modo-btn,
.playlist-btn,
.agregar-tarea-btn {
  font-size: 0.875rem;
  /* 14px */
}


/* Inputs */
.input-group input,
.input-group-ganar-materia input,
.input-group-redondeo-nota input,
.config-focus input,
.config-flow input {
  font-size: 1rem;
  /* 16px - evita zoom en iOS */
}


/* Labels */
.input-group label,
.input-group-ganar-materia label,
.input-group-redondeo-nota label,
.config-focus label,
.config-flow label {
  font-size: 0.875rem;
  /* 14px */
}

/* Tablas */
.aranceles-tabla {
  font-size: 0.875rem;
  /* 14px */
}

.aranceles-tabla th {
  font-size: 0.875rem;
  /* 14px */
}

/* Tareas */
.tarea-textarea {
  font-size: 0.9375rem;
  /* 15px */
}

.tarea-estado {
  font-size: 0.875rem;
  /* 14px */
}

/* Footer */
footer h5,
footer .legal-link {
  font-size: 0.75rem;
  /* 12px */
}

/* Mensajes */
.timer-message p {
  font-size: 1rem;
  /* 16px */
}

.timer-message p:first-child {
  font-size: 1.5rem;
  /* 24px */
}

.mensaje-completado p {
  font-size: 1.125rem;
  /* 18px */
}

/* Selector de beca */
.beca-option label {
  font-size: var(--font-size-small);
  /* 13px */
}

/* Resumen */
.lista-seleccion li {
  font-size: 0.875rem;
  /* 14px */
}

.total-container {
  font-size: 1.125rem;
  /* 18px */
}

/* Info de ronda */
.ronda-info p {
  font-size: 0.9375rem;
  /* 15px */
}

.tiempo-total {
  font-size: 0.9375rem;
  /* 15px */
}


/* ===== RESPONSIVE TIPOGRAFÍA ===== */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  h1 {
    font-size: 1.5rem;
    /* 22.5px */
  }

  h2 {
    font-size: 1.25rem;
    /* 18.75px */
  }

  h3 {
    font-size: 1.125rem;
    /* 16.875px */
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 1.375rem;
    /* 19.25px */
  }

  h2 {
    font-size: 1.125rem;
    /* 15.75px */
  }

  .beca-option label {
    font-size: 0.75rem;
    /* 10.5px */
  }
}

/* ===== AJUSTES RESPONSIVE MAIN ===== */

/* Para tablets */
@media (max-width: 1024px) {
  main {
    margin-top: 25px;
    margin-bottom: 35px;
  }
}

/* Para telefonos medianos */
@media (max-width: 768px) {
  main {
    margin-top: 20px;
    margin-bottom: 30px;
  }

  .welcome-section,
  .wiki-info-section {
    width: 92%;
    padding: 14px 20px;
  }

  .programa-selector {
    width: 92%;
    padding: 18px 15px;
  }

  .custom-select-wrapper {
    max-width: 300px;
  }
}

/* Para telefonos pequeños */
@media (max-width: 480px) {
  main {
    margin-top: 20px;
    margin-bottom: 25px;
  }

  /* Ajuste específico para index.html */
  main[style*="margin-top: 100px"] {
    margin-top: 20px !important;
  }

  .welcome-section,
  .wiki-info-section {
    width: 95%;
    padding: 12px 15px;
    gap: 15px;
  }

  .programa-selector {
    width: 95%;
    padding: 15px 10px;
  }

  .custom-select-wrapper {
    max-width: 100%;
    width: 100%;
  }
}

/* ===== CONTENEDORES ===== */
.container-encabezado-grupos,
.container-calculadora,
.grupo,
.container-ganar-materia,
.container-redondeo-nota {
  margin-bottom: 10px;
  padding: 5px;
  text-align: center;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  color: var(--text-dark);
  border: 1px solid var(--border-light);

  /* Ancho responsivo */
  width: 90%;
  max-width: 800px;
  /* Mismo que la tabla de explicaciones */
  margin-left: auto;
  margin-right: auto;
}


/* ===== BOTONES NEUMORFISMO ===== */
.boton-expansion {
  background: var(--card-bg);
  color: var(--accent-blue);
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-small);
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  font-weight: 600;
  border: 1px solid var(--border-light);
}

.boton-expansion:hover {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

.boton-expansion:active {
  color: var(--accent-blue-dark);
  transform: translateY(0);
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
}

/* ===== ENLACES DE GRUPOS ===== */
.grupo-link {
  text-decoration: underline;
  color: var(--accent-blue);
  position: relative;
  transition: all 0.3s ease;
  font-weight: 600;
}

.grupo-link:hover {
  text-decoration: underline;
  color: var(--accent-blue-dark);
  padding: 1px;
  background-color: rgba(52, 152, 219, 0.1);
  border-radius: 5px;
  transition: all 0.5s ease;
}

/* ===== CALCULADORA DE NOTAS ===== */
.container-calculadora {
  margin: 16px auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-small);
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  border: 1px solid var(--border-light);
}

/* Ajustes específicos para la calculadora de notas en móviles */
@media (max-width: 767px) {
  .container-calculadora {
    width: 95%;
    /* Mismo ancho que otras calculadoras en móviles */
    max-width: 800px;
  }
}

.form-grades {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 600px;
  margin-top: 20px;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  margin-bottom: 10px;
}

.input-group label {
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--text-dark);
  font-family: 'Arial', sans-serif;
}

.input-group input {
  padding: 8px;
  font-size: var(--font-size-body);
  border: none;
  border-radius: 12px;
  box-sizing: border-box;
  width: 100%;
  max-width: 80%;
  background: var(--card-bg);
  color: var(--text-dark);
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
}

.input-group input:focus {
  outline: none;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light),
    0 0 0 2px var(--accent-blue);
}

.button-group {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  gap: 10px;
}

.button-group button {
  padding: 6px 10px;
  margin: 5px;
  border: none;
  background: var(--card-bg);
  color: var(--accent-blue);
  cursor: pointer;
  border-radius: 12px;
  font-size: var(--font-size-small);
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  transition: all 0.3s ease;
  font-weight: 600;
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
}

.button-group button:hover {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

.button-group button:active {
  color: var(--accent-blue-dark);
  transform: translateY(0);
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
}

.delete-button {
  padding: 6px 10px;
  background: var(--card-bg);
  color: #e74c3c;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  font-size: var(--font-size-small);
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  font-weight: 600;
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
}

.delete-button:hover {
  color: #c0392b;
  transform: translateY(-2px);
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

/* ===== CALCULADORAS SECUNDARIAS NEUMORFISMO ===== */
.container-ganar-materia,
.container-redondeo-nota {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 20px;
  background: var(--card-bg);
  border-radius: 20px;
  margin-top: 20px;
  font-family: 'Arial', sans-serif;
  margin-bottom: 1;
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  border: 1px solid var(--border-light);

  /* Ancho responsivo para que coincidan con el botón de instrucciones */
  width: 90%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}



.input-group-ganar-materia,
.input-group-redondeo-nota {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-bottom: 10px;
  font-size: var(--font-size-body);
}

.input-group-ganar-materia label,
.input-group-redondeo-nota label {
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--text-dark);
  font-family: 'Arial', sans-serif;
}

.input-group-ganar-materia input,
.input-group-redondeo-nota input {
  width: 60%;
  max-width: 250px;
  padding: 8px;
  font-size: var(--font-size-body);
  border: none;
  border-radius: 12px;
  box-sizing: border-box;
  margin: 0 auto;
  background: var(--card-bg);
  color: var(--text-dark);
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
}

.input-group-ganar-materia input:focus,
.input-group-redondeo-nota input:focus {
  outline: none;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light),
    0 0 0 2px var(--accent-blue);
}

.button-group-ganar-materia button,
.button-group-redondeo-nota button {
  border: none;
  background: var(--card-bg);
  color: var(--accent-blue);
  cursor: pointer;
  border-radius: 12px;
  padding: 6px 10px;
  margin: 5px;
  font-size: 12px;
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  transition: all 0.3s ease;
  font-weight: 600;
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
}

.button-group-ganar-materia button:hover,
.button-group-redondeo-nota button:hover {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
}

/* Ajustes para inputs en calculadoras secundarias - más anchos en desktop */
@media (min-width: 768px) {

  .input-group-ganar-materia input,
  .input-group-redondeo-nota input {
    width: 80%;
    /* Más ancho en tablets/desktop */
    max-width: 500px;
    /* Más espacio para escribir */
  }

  .container-ganar-materia,
  .container-redondeo-nota {
    width: 90%;
    /* Igual que container-calculadora */
  }
}

@media (min-width: 1024px) {

  .container-ganar-materia,
  .container-redondeo-nota {
    width: 90%;
    max-width: 800px;
    box-sizing: border-box;
    /* Igual que el botón de instrucciones para mantener consistencia */
  }

  .instrucciones-toggle-btn {
    width: 90%;
    max-width: 800px;
    box-sizing: border-box;
  }
}

/* ===== HOME NEUMORFISMO ===== */

/* Grid container for calculator buttons */

/* Grid container for calculator buttons */
.buttons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  /* Increased gap for better separation */
  margin-top: 20px;
  margin-bottom: 20px;
  width: 90%;
  max-width: 1000px;
  /* Increased max-width for desktop */
  justify-items: center;
}

/* Centered container for Pomodoro button */
.pomodoro-container {
  display: flex;
  justify-content: center;
  width: 90%;
  max-width: 1000px;
  /* Match grid max-width */
  margin: 0 auto 20px auto;
}

.buttonhome {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  /* Fluid width */
}

.buttonhomeH,
.buttonhomeG {
  width: 100%;
  padding: 50px 10px;
  /* Generous vertical, reduced horizontal base */
  background: var(--card-bg);
  color: var(--text-dark);
  cursor: pointer;
  border-radius: 20px;
  font-size: 15px;
  text-decoration: none;
  text-align: center;
  font-family: 'Arial', sans-serif;
  border: none;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  transition: all 0.3s ease;
  font-weight: 600;
  border: 1px solid var(--border-light);
}

/* Responsive adjustments for Index Buttons */
@media (max-width: 480px) {

  .buttonhomeH,
  .buttonhomeG {
    padding: 30px 5px;
    /* Reduced horizontal padding on mobile */
    font-size: 13px;
    /* Slightly smaller text */
    min-height: 80px;
    /* Ensure clickability */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  .buttons-grid {
    gap: 15px;
    /* Increased gap for better separation on mobile */
    width: 85%;
    /* Slightly reduced width to prevent buttons from being too wide */
  }

  .buttonhome {
    width: 95%;
    /* Reduce button container width slightly */
  }
}

.buttonhomeH:hover,
.buttonhomeG:hover {
  color: #0f0f0f;
  background: #ff8800;
  transform: translateY(-5px);
  box-shadow:
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
}

/* Dark mode hover - orange background with white text */
[data-theme="dark"] .buttonhomeH:hover,
[data-theme="dark"] .buttonhomeG:hover {
  color: #ffffff;
  background: #ff8800;
}

.redeshome {
  width: 100%;
  max-width: 160px;
  padding: 6px 55px;
  background: var(--card-bg);
  color: var(--text-dark);
  cursor: pointer;
  border-radius: 20px;
  text-decoration: none;
  text-align: center;
  font-family: 'Arial', sans-serif;
  margin-top: 20px;
  margin-bottom: 15px;
  border: none;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  font-weight: 600;
  border: 1px solid var(--border-light);
}

.redeshome .social-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
}

.redeshome .social-links a {
  color: var(--accent-blue);
  font-size: 16px;
  transition: all 0.3s ease;
}

.redeshome .social-links a:hover {
  color: var(--accent-blue-dark);
  transform: scale(1.2);
}

.frasehome {
  font-family: 'Arial', sans-serif;
  padding: 8px;
  color: var(--text-dark);
  font-weight: 600;
}

/* ===== WELCOME SECTION ===== */
.welcome-section {
  width: 90%;
  max-width: 800px;
  margin: 20px auto;
  padding: 15px 25px;
  background: rgba(255, 136, 0, 0.1);
  border-radius: 20px;
  border-left: 5px solid #ff8800;
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.welcome-section::before {
  content: "\f0eb";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  font-size: 1.5rem;
  color: #ff8800;
  flex-shrink: 0;
}

.welcome-section h2 {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-h3);
  color: #ff8800;
  margin: 0;
  font-weight: 600;
}

.welcome-section h3 {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-body);
  color: var(--text-dark);
  margin: 0;
  font-weight: 600;
  line-height: 1.5;
}

.welcome-section p {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-body);
  color: var(--text-medium);
  margin: 0;
  line-height: 1.5;
}

/* Dark mode for welcome section */
[data-theme="dark"] .welcome-section {
  background: rgba(255, 136, 0, 0.15);
}

/* ===== WIKI INFO SECTION ===== */
.wiki-info-section {
  width: 90%;
  max-width: 800px;
  margin: 20px auto;
  padding: 15px 25px;
  background: rgba(34, 139, 34, 0.1);
  /* Green with transparency */
  border-radius: 20px;
  border-left: 5px solid #228B22;
  /* Forest green */
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.wiki-info-section::before {
  content: "\f02d";
  /* Font Awesome book icon */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  font-size: 1.5rem;
  color: #228B22;
  /* Forest green */
  flex-shrink: 0;
}

.wiki-info-section p {
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-body);
  color: var(--text-medium);
  margin: 0;
  line-height: 1.5;
}

.wiki-info-section a {
  color: #228B22;
  /* Forest green for links */
  font-weight: 600;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.wiki-info-section a:hover {
  color: #1a6b1a;
  /* Darker green on hover */
}

/* Dark mode for wiki info section */
[data-theme="dark"] .wiki-info-section {
  background: rgba(34, 139, 34, 0.15);
}

[data-theme="dark"] .wiki-info-section a {
  color: #32CD32;
  /* Lime green for better visibility in dark mode */
}

[data-theme="dark"] .wiki-info-section a:hover {
  color: #228B22;
  /* Forest green on hover in dark mode */
}

[data-theme="dark"] .wiki-info-section::before {
  color: #32CD32;
  /* Lime green icon in dark mode */
}


.aviso-legal {
  margin: 20px auto;
  padding: 16px;
  width: 90%;
  max-width: 600px;
  font-family: 'Arial', sans-serif;
  text-align: left;
  font-size: 14px;
  background: var(--card-bg);
  color: var(--text-dark);
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
}

/* ===== CALCULADORA DE ARANCELES NEUMORFISMO ===== */
.container-aranceles {
  margin: 15px 0;
  padding: 25px;
  text-align: center;
  width: 90%;
  max-width: 800px;
  background: var(--card-bg);
  border-radius: 25px;
  margin-left: auto;
  margin-right: auto;
  box-shadow:
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
  border: 1px solid var(--border-light);
}

/* ===== BOTONES DE BECA ===== */
.beca-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 25px auto;
  justify-items: stretch;
  align-items: stretch;
  width: 100%;
  max-width: 420px;
}

.beca-option {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  padding: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
  color: var(--text-medium);
  font-family: 'Arial', sans-serif;
  font-weight: 600;
  font-size: var(--font-size-small);
  width: 100%;
  min-height: 45px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.beca-option label {
  cursor: pointer;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  margin: 0;
  font-family: 'Arial', sans-serif;
  font-weight: 600;
  font-size: var(--font-size-small);
  color: inherit;
}

.beca-option:not(:has(input:checked)) {
  background: var(--card-bg);
  color: var(--text-medium);
  transform: scale(0.95);
  box-shadow:
    2px 2px 4px var(--shadow-dark),
    -2px -2px 4px var(--shadow-light);
}

.beca-option:not(:has(input:checked)):hover {
  color: var(--accent-blue);
  transform: scale(0.98);
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
}

.beca-option:has(input:checked) {
  background: var(--accent-blue);
  color: white;
  transform: scale(1.05);
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light),
    0 0 0 2px rgba(52, 152, 219, 0.3);
  z-index: 2;
  font-weight: 700;
}

.beca-option:has(input:checked)::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--accent-blue), var(--accent-blue-dark));
  z-index: -1;
  opacity: 0.8;
}

.beca-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ===== SELECTOR DE PROGRAMA ACADÉMICO ===== */
.programa-selector {
  margin: 25px auto;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
  max-width: 420px;
  width: 90%;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.programa-selector:hover {
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
}

.programa-selector h3 {
  margin-bottom: 20px;
  color: var(--text-dark);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
}

/* ===== SELECT PERSONALIZADO NEUMÓRFICO ===== */
.custom-select-wrapper {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}

.custom-select-trigger {
  padding: 14px 45px 14px 20px;
  border-radius: 15px;
  background: var(--card-bg);
  color: var(--text-dark);
  box-shadow:
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
  border: 2px solid transparent;
  width: 100%;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Arial', sans-serif;
  position: relative;
  box-sizing: border-box;
}

.custom-select-trigger:hover {
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
}

.custom-select-trigger.active {
  box-shadow:
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light),
    0 0 0 3px rgba(52, 152, 219, 0.2);
  border-color: var(--accent-blue);
}

.custom-select-arrow {
  color: var(--accent-blue);
  font-size: 12px;
  transition: transform 0.3s ease;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
}

.custom-select-trigger.active .custom-select-arrow {
  transform: translateY(-50%) rotate(180deg);
  color: var(--accent-blue-dark);
}

.custom-select-options {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--card-bg);
  border-radius: 15px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
  overflow: hidden;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.custom-select-options.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.custom-select-option {
  padding: 12px 20px;
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 600;
  font-family: 'Arial', sans-serif;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.custom-select-option:last-child {
  border-bottom: none;
}

.custom-select-option:hover {
  background: var(--accent-blue);
  color: white;
}

.custom-select-option.selected {
  background: var(--accent-blue);
  color: white;
  font-weight: 700;
  box-shadow:
    inset 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.custom-select-wrapper select {
  display: none;
}

/* ===== MENSAJE DE BECA ===== */
.beca-mensaje {
  margin: 20px 0;
  padding: 15px;
  border-radius: 15px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.beca-mensaje-especial {
  background: rgba(52, 152, 219, 0.1);
  color: var(--text-dark);
  padding: 15px 20px;
  border-radius: 15px;
  font-weight: 600;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
  font-family: 'Arial', sans-serif;
  font-size: 12px;
  text-align: center;
}

/* ===== TABLA DE ARANCELES ===== */
.aranceles-tabla-container {
  margin: 25px 0;
  overflow-x: auto;
  background: var(--card-bg);
  border-radius: 15px;
  padding: 15px;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.aranceles-tabla-container h3 {
  margin-bottom: 15px;
  color: var(--text-dark);
  font-size: 14px;
}

.aranceles-tabla {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  font-size: var(--font-size-small);
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
}

.aranceles-tabla th,
.aranceles-tabla td {
  padding: 12px 8px;
  border: 1px solid var(--border-light);
  text-align: left;
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
}

.aranceles-tabla th {
  background-color: var(--accent-blue);
  color: white;
  font-weight: 600;
  font-size: var(--font-size-small);
  text-align: center;
}

.aranceles-tabla .categoria {
  background-color: rgba(52, 152, 219, 0.08);
  font-weight: 700;
  text-align: center;
  color: var(--text-dark);
  font-size: 12px;
}

.aranceles-tabla .precio {
  font-weight: 700;
  color: var(--text-dark);
  text-align: right;
  min-width: 100px;
  font-family: 'Arial', monospace;
}

.aranceles-tabla input[type="checkbox"] {
  transform: scale(1.2);
  cursor: pointer;
  margin-right: 8px;
  accent-color: var(--accent-blue);
}

.aranceles-tabla input[type="number"] {
  width: 55px;
  padding: 6px;
  border: none;
  border-radius: 8px;
  text-align: center;
  background: var(--card-bg);
  color: var(--text-dark);
  box-shadow:
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light);
  font-family: 'Arial', sans-serif;
  border: 1px solid var(--border-light);
  font-weight: 600;
  font-size: var(--font-size-small);
}

.aranceles-tabla input[type="number"]:focus {
  outline: none;
  box-shadow:
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light),
    0 0 0 2px var(--accent-blue);
}

/* ===== RESUMEN DE ARANCELES ===== */
.resumen-aranceles {
  margin-top: 30px;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 15px;
  text-align: left;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.resumen-aranceles h3 {
  margin-bottom: 15px;
  color: var(--text-dark);
  font-size: 14px;
  text-align: center;
}

.lista-seleccion {
  margin: 15px 0;
  max-height: 200px;
  overflow-y: auto;
  padding: 10px;
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow:
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.lista-seleccion ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.lista-seleccion li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
  font-size: var(--font-size-small);
  font-weight: 600;
}

.lista-seleccion li:last-child {
  border-bottom: none;
}

.total-container {
  font-size: 16px;
  padding: 15px;
  background-color: var(--accent-blue);
  color: white;
  border-radius: 12px;
  text-align: right;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  font-weight: 700;
  font-family: 'Arial', sans-serif;
  margin-top: 15px;
}

/* ===== RESPONSIVE ===== */

/* Tablets */
@media (max-width: 1024px) and (min-width: 769px) {
  .beca-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 90%;
    max-width: 420px;
  }

  .programa-selector {
    width: 90%;
    max-width: 420px;
    margin: 20px auto;
  }
}

/* Móviles medianos */
@media (max-width: 768px) {
  .container-aranceles {
    width: 95%;
    padding: 20px 15px;
    margin: 10px 0;
  }

  .beca-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 95%;
    max-width: 420px;
  }

  .beca-option {
    min-height: 40px;
  }

  .beca-option label {
    padding: 10px 6px;
    font-size: var(--font-size-body);
  }

  .programa-selector {
    width: 95%;
    max-width: 420px;
    margin: 20px auto;
    padding: 18px;
  }

  .programa-selector h3 {
    font-size: 14px;
    margin-bottom: 18px;
  }

  .custom-select-trigger {
    padding: 13px 40px 13px 18px;
    font-size: 12px;
  }

  .custom-select-option {
    padding: 10px 18px;
    font-size: 12px;
  }

  .custom-select-arrow {
    font-size: var(--font-size-small);
  }

  .aranceles-tabla {
    font-size: var(--font-size-body);
  }

  .aranceles-tabla th,
  .aranceles-tabla td {
    padding: 8px 6px;
  }

  .aranceles-tabla input[type="number"] {
    width: 45px;
    padding: 4px;
    font-size: var(--font-size-body);
  }

  .resumen-aranceles {
    padding: 15px;
  }

  .total-container {
    font-size: 14px;
    padding: 12px;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .beca-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    width: 98%;
    max-width: 420px;
  }

  .beca-option {
    min-height: 38px;
  }

  .beca-option label {
    padding: 10px 4px;
    font-size: 9px;
  }

  .beca-option:has(input:checked) {
    transform: scale(1.05);
  }

  .programa-selector {
    width: 98%;
    max-width: 420px;
    margin: 20px auto;
    padding: 15px;
  }

  .programa-selector h3 {
    font-size: 13px;
    margin-bottom: 15px;
  }

  .custom-select-trigger {
    padding: 12px 35px 12px 15px;
    font-size: 12px;
  }

  .custom-select-option {
    padding: 8px 15px;
    font-size: var(--font-size-small);
  }

  .custom-select-arrow {
    font-size: var(--font-size-body);
  }

  .aranceles-tabla {
    font-size: 9px;
  }

  .aranceles-tabla th,
  .aranceles-tabla td {
    padding: 6px 4px;
  }

  .aranceles-tabla input[type="number"] {
    width: 40px;
    font-size: 9px;
  }
}

/* Pantallas grandes */
@media (min-width: 1200px) {
  .beca-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    max-width: 480px;
  }

  .beca-option {
    min-height: 48px;
    font-size: 12px;
  }

  .programa-selector {
    max-width: 480px;
    margin: 20px auto;
  }

  .custom-select-trigger {
    padding: 15px 50px 15px 25px;
    font-size: 14px;
  }

  .custom-select-option {
    padding: 14px 18px;
    font-size: 14px;
  }
}

/* ===== ANIMACIÓN AL CARGAR ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ===== POMODORO TIMER - ESTILOS NEUMÓRFICOS ===== */

.container-pomodoro {
  margin: 15px auto;
  padding: 25px;
  text-align: center;
  width: 95%;
  max-width: 1200px;
  background: var(--card-bg);
  border-radius: 25px;
  box-shadow:
    12px 12px 24px var(--shadow-dark),
    -12px -12px 24px var(--shadow-light);
  border: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
}

/* ===== TIMER DIGITAL ===== */
.pomodoro-timer {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.pomodoro-timer h2 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.timer-display {
  font-size: 72px;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  color: var(--accent-blue);
  background: var(--card-bg);
  padding: 30px;
  border-radius: 20px;
  box-shadow:
    inset 6px 6px 12px var(--shadow-dark),
    inset -6px -6px 12px var(--shadow-light);
  border: 2px solid var(--border-light);
  margin-bottom: 25px;
  letter-spacing: 8px;
}

.timer-controls {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.timer-btn {
  background: var(--card-bg);
  color: var(--accent-blue);
  font-family: 'Arial', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 25px;
  border: none;
  cursor: pointer;
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.timer-btn:hover:not(:disabled) {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

.timer-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
}

.timer-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.timer-message {
  margin-top: 25px;
  padding: 20px;
  background: rgba(52, 152, 219, 0.1);
  border-radius: 15px;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.timer-message p {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin: 10px 0;
}

.timer-message p:first-child {
  font-size: 24px;
  color: var(--accent-blue);
}

/* ===== TAREAS (NOTAS ADHESIVAS) ===== */
.tareas-container {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.tareas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 10px;
}

.tareas-header h2 {
  font-size: 18px;
  color: var(--text-dark);
  margin: 0;
}

.agregar-tarea-btn {
  background: var(--accent-blue);
  color: white;
  font-family: 'Arial', sans-serif;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
}

.agregar-tarea-btn:hover {
  background: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--shadow-dark),
    -6px -6px 12px var(--shadow-light);
}

.agregar-tarea-btn:active {
  transform: translateY(0);
}

.tareas-lista {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

/* ===== NOTA ADHESIVA (TAREA) ===== */
.tarea-nota {
  background: #ffd54f;
  padding: 15px;
  border-radius: 12px;
  box-shadow:
    6px 6px 12px rgba(0, 0, 0, 0.2),
    -2px -2px 6px rgba(255, 255, 255, 0.5);
  transition: all 0.3s ease;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.tarea-nota:hover {
  transform: translateY(-3px) rotate(1deg);
  box-shadow:
    8px 8px 16px rgba(0, 0, 0, 0.25),
    -3px -3px 8px rgba(255, 255, 255, 0.6);
}

/* Estados de las tareas */
.estado-pendiente {
  background: #ffd54f;
}

.estado-proceso {
  background: #81c784;
}

.estado-terminado {
  background: #64b5f6;
}

.tarea-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.tarea-numero {
  font-weight: 700;
  color: rgba(0, 0, 0, 0.6);
  font-size: 12px;
}

.tarea-eliminar {
  background: rgba(0, 0, 0, 0.1);
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.tarea-eliminar:hover {
  background: rgba(255, 0, 0, 0.3);
  transform: scale(1.1);
}

.tarea-textarea {
  flex: 1;
  background: transparent;
  border: none;
  resize: none;
  font-family: 'Arial', sans-serif;
  font-size: 13px;
  color: rgba(0, 0, 0, 0.8);
  padding: 10px;
  margin-bottom: 10px;
  min-height: 80px;
  font-weight: 500;
}

.tarea-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 8px;
}

.tarea-textarea::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

.tarea-footer {
  margin-top: auto;
}

.tarea-estado {
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.5);
  font-family: 'Arial', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tarea-estado:hover {
  background: rgba(255, 255, 255, 0.8);
}

.tarea-estado:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* ===== MENSAJE DE TAREAS COMPLETADAS ===== */
.mensaje-completado {
  background: rgba(129, 199, 132, 0.2);
  padding: 20px;
  border-radius: 15px;
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 2px solid #81c784;
  text-align: center;
  margin-top: 20px;
}

.mensaje-completado i {
  font-size: 48px;
  color: #4caf50;
  margin-bottom: 10px;
}

.mensaje-completado p {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 10px 0;
}

/* ===== SPOTIFY CONTAINER ===== */
.spotify-container {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.spotify-container h2 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.playlist-selector {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.playlist-btn {
  background: var(--card-bg);
  color: var(--text-dark);
  font-family: 'Arial', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 10px 18px;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.playlist-btn:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--shadow-dark),
    -6px -6px 12px var(--shadow-light);
}

.playlist-btn.active {
  background: var(--accent-blue);
  color: white;
  box-shadow:
    inset 4px 4px 8px rgba(0, 0, 0, 0.2),
    inset -4px -4px 8px rgba(255, 255, 255, 0.1);
}

.spotify-player {
  background: var(--card-bg);
  padding: 15px;
  border-radius: 15px;
  box-shadow:
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.spotify-player iframe {
  border-radius: 12px;
}

/* ===== CLASE OCULTO ===== */
.oculto {
  display: none !important;
}

/* ===== RESPONSIVE POMODORO ===== */
@media (max-width: 768px) {
  .container-pomodoro {
    width: 98%;
    padding: 15px;
  }

  .timer-display {
    font-family: 'Orbitron', 'Courier New', monospace;
    font-size: 4.5rem;
    /* 72px */
    font-weight: 700;
    color: var(--accent-blue);
    background: var(--card-bg);
    padding: 1.875rem;
    /* 30px */
    border-radius: 1.25rem;
    /* 20px */
    box-shadow:
      inset 6px 6px 12px var(--shadow-dark),
      inset -6px -6px 12px var(--shadow-light);
    border: 2px solid var(--border-light);
    margin-bottom: 1.5625rem;
    /* 25px */
    letter-spacing: 0.5rem;
    /* 8px */
    text-shadow: 0 0 20px rgba(52, 152, 219, 0.3);
  }

  .timer-btn {
    font-size: 12px;
    padding: 10px 18px;
  }

  .tareas-lista {
    grid-template-columns: 1fr;
  }

  .playlist-btn {
    font-size: var(--font-size-small);
    padding: 8px 14px;
  }
}

/* Responsive para el timer */
@media (max-width: 768px) {
  .timer-display {
    font-size: 3rem;
    /* 48px */
    padding: 1.25rem;
    /* 20px */
    letter-spacing: 0.25rem;
    /* 4px */
  }
}

@media (max-width: 480px) {
  .timer-display {
    font-size: 2.25rem;
    /* 36px */
    padding: 0.9375rem;
    /* 15px */
    letter-spacing: 0.125rem;
    /* 2px */
  }
}


/* ===== SPOTIFY DESPLEGABLE ===== */
.spotify-container {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.spotify-toggle-btn {
  background: var(--card-bg);
  color: var(--accent-blue);
  font-family: 'Arial', sans-serif;
  font-size: 16px;
  font-weight: 600;
  padding: 15px 30px;
  border: none;
  cursor: pointer;
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.spotify-toggle-btn:hover {
  color: var(--accent-blue-dark);
  transform: translateY(-2px);
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
}

.spotify-toggle-btn:active {
  transform: translateY(0);
  box-shadow:
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
}

.spotify-toggle-icon {
  transition: transform 0.3s ease;
}

.spotify-toggle-btn.active .spotify-toggle-icon {
  transform: rotate(180deg);
}

.spotify-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.3s ease, margin-top 0.3s ease;
  opacity: 0;
}

.spotify-content.active {
  max-height: 600px;
  opacity: 1;
  margin-top: 20px;
}

.spotify-content h2 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text-dark);
}

.playlist-selector {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.playlist-btn {
  background: var(--card-bg);
  color: var(--text-dark);
  font-family: 'Arial', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 10px 18px;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.playlist-btn:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--shadow-dark),
    -6px -6px 12px var(--shadow-light);
}

.playlist-btn.active {
  background: var(--accent-blue);
  color: white;
  box-shadow:
    inset 4px 4px 8px rgba(0, 0, 0, 0.2),
    inset -4px -4px 8px rgba(255, 255, 255, 0.1);
}

.spotify-player {
  background: var(--card-bg);
  padding: 15px;
  border-radius: 15px;
  box-shadow:
    inset 4px 4px 8px var(--shadow-dark),
    inset -4px -4px 8px var(--shadow-light);
  border: 1px solid var(--border-light);
  min-height: 400px;
  /* Asegurar espacio suficiente */
}

.spotify-player iframe {
  border-radius: 12px;
  width: 100%;
}

.oculto {
  display: none !important;
}


/* ===== NOTAS ADHESIVAS EN MODO OSCURO ===== */
[data-theme="dark"] .tarea-nota {
  color: #000000;
  /* Mantener texto oscuro para legibilidad */
}

[data-theme="dark"] .tarea-textarea {
  color: #000000;
  background: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .tarea-textarea:focus {
  background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .tarea-estado {
  background: rgba(255, 255, 255, 0.3);
  color: #000000;
}

[data-theme="dark"] .tarea-estado:hover {
  background: rgba(255, 255, 255, 0.5);
}


/* ===== VARIABLES MODO OSCURO ===== */
:root {
  --primary-bg: #e6e9f0;
  --card-bg: #ffffff;
  --text-dark: #2c3e50;
  --text-medium: #34495e;
  --text-light: #7f8c8d;
  --accent-blue: #3498db;
  --accent-blue-dark: #2980b9;
  --shadow-dark: rgba(163, 177, 198, 0.5);
  --shadow-light: rgba(255, 255, 255, 0.8);
  --border-light: #ecf0f1;
}

[data-theme="dark"] {
  --primary-bg: #0d1117;
  /* Negro con toque azul oscuro */
  --card-bg: #161b22;
  /* Gris azulado oscuro */
  --text-dark: #f0f6fc;
  /* Blanco suave */
  --text-medium: #c9d1d9;
  /* Gris claro */
  --text-light: #8b949e;
  /* Gris medio */
  --accent-blue: #58a6ff;
  /* Azul más brillante */
  --accent-blue-dark: #388bfd;
  /* Azul intenso */
  --shadow-dark: rgba(0, 0, 0, 0.6);
  --shadow-light: rgba(56, 139, 253, 0.05);
  /* Sombra con toque azul */
  --border-light: #21262d;
  /* Borde azulado */
}

/* ===== SWITCH MODO OSCURO ===== */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
}

.theme-switch {
  display: inline-block;
  height: 24px;
  position: relative;
  width: 50px;
}

.theme-switch input {
  display: none;
}

.slider {
  background-color: var(--card-bg);
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: .4s;
  border-radius: 24px;
  box-shadow:
    2px 2px 4px var(--shadow-dark),
    -2px -2px 4px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.slider:before {
  background-color: var(--accent-blue);
  bottom: 3px;
  content: "";
  height: 18px;
  left: 3px;
  position: absolute;
  transition: .4s;
  width: 18px;
  border-radius: 50%;
}

input:checked+.slider {
  background-color: var(--card-bg);
}

input:checked+.slider:before {
  transform: translateX(26px);
  background-color: var(--accent-blue);
}

.slider:hover {
  box-shadow:
    3px 3px 6px var(--shadow-dark),
    -3px -3px 6px var(--shadow-light);
}

/* Iconos dentro del switch */
.slider .theme-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-body);
  transition: opacity 0.3s ease;
}

.slider .sun {
  left: 6px;
  color: #f39c12;
  opacity: 0;
}

.slider .moon {
  right: 6px;
  color: #f1c40f;
  opacity: 1;
}

input:checked+.slider .sun {
  opacity: 1;
}

input:checked+.slider .moon {
  opacity: 0;
}

/* Ajustes para el header con el switch */
header {
  position: relative;
  /* Para posicionar el switch correctamente */
}

/* ===== TRANSICIONES SUAVES PARA EL CAMBIO DE TEMA ===== */
body,
header,
footer,
.container-pomodoro,
.pomodoro-timer,
.tareas-container,
.spotify-container,
.container-calculadora,
.grupo,
.container-ganar-materia,
.container-redondeo-nota,
.container-aranceles,
.buttonhomeH,
.buttonhomeG {
  transition: background-color 0.3s ease, color 0.3s ease,
    box-shadow 0.3s ease, border-color 0.3s ease;
}

/* ===== RESPONSIVE PARA EL SWITCH ===== */
@media (max-width: 768px) {
  .theme-switch-wrapper {
    right: 10px;
  }

  .theme-switch {
    height: 20px;
    width: 40px;
  }

  .slider:before {
    height: 14px;
    width: 14px;
  }

  input:checked+.slider:before {
    transform: translateX(20px);
  }
}

/* ===== SELECTOR DE MODO ===== */
.modo-selector {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 15px;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.modo-selector h3 {
  font-size: 16px;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.modo-buttons {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.modo-btn {
  background: var(--card-bg);
  color: var(--text-dark);
  font-family: 'Arial', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow:
    4px 4px 8px var(--shadow-dark),
    -4px -4px 8px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.modo-btn:hover {
  color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow:
    6px 6px 12px var(--shadow-dark),
    -6px -6px 12px var(--shadow-light);
}

.modo-btn.active {
  background: var(--accent-blue);
  color: white;
  box-shadow:
    inset 4px 4px 8px rgba(0, 0, 0, 0.2),
    inset -4px -4px 8px rgba(255, 255, 255, 0.1);
}

/* ===== CONFIGURACIÓN DE MODO ===== */
.config-modo {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 15px;
  box-shadow:
    5px 5px 10px var(--shadow-dark),
    -5px -5px 10px var(--shadow-light);
  border: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.config-focus,
.config-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.config-focus label,
.config-flow label {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 600;
}

.config-focus input,
.config-flow input {
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-dark);
  box-shadow:
    inset 3px 3px 6px var(--shadow-dark),
    inset -3px -3px 6px var(--shadow-light);
  border: 1px solid var(--border-light);
  font-size: 14px;
  width: 80px;
  text-align: center;
}

.tiempo-total {
  font-size: 14px;
  color: var(--accent-blue);
  font-weight: 600;
}

/* ===== INFORMACIÓN DE RONDA ===== */
.ronda-info {
  background: rgba(52, 152, 219, 0.1);
  padding: 15px;
  border-radius: 10px;
  margin-top: 15px;
  box-shadow:
    inset 2px 2px 4px var(--shadow-dark),
    inset -2px -2px 4px var(--shadow-light);
  border: 1px solid var(--border-light);
}

.ronda-info p {
  margin: 5px 0;
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .modo-buttons {
    flex-direction: column;
  }

  .modo-btn {
    width: 100%;
  }

  .config-focus,
  .config-flow {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== BOTÓN EXPANDIBLE PARA INSTRUCCIONES ===== */
.instrucciones-toggle-btn {
  width: 90%;
  max-width: 800px;
  margin: 20px auto;
  padding: 15px 20px;
  background: var(--card-bg);
  color: var(--text-dark);
  border: none;
  border-radius: 12px;
  font-family: 'Arial', sans-serif;
  font-size: var(--font-size-body);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.instrucciones-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    7px 7px 14px var(--shadow-dark),
    -7px -7px 14px var(--shadow-light);
  color: var(--accent-blue);
}

.instrucciones-toggle-btn i {
  transition: transform 0.3s ease;
}

.instrucciones-toggle-btn.active i {
  transform: rotate(180deg);
}

/* Contenedor de instrucciones colapsable */
.instrucciones-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.3s ease, margin 0.3s ease;
  opacity: 0;
  /* Evitar que se vea un borde o sombra de fondo cuando está cerrado */
  background: transparent;
}

.instrucciones-content.active {
  max-height: 1000px;
  opacity: 1;
  margin-bottom: 20px;
  background: transparent;
  /* Padding para que la sombra neumórfica de la tabla interior no quede cortada */
  padding: 0 10px 15px 10px;
  box-sizing: border-box;
}

/* ===== TABLA DE EXPLICACIONES NEUMÓRFICA (MEJORADA RESPONSIVE) ===== */
.explicaciones-tabla {
  width: 90%;
  max-width: 800px;
  margin: 20px auto;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow:
    8px 8px 16px var(--shadow-dark),
    -8px -8px 16px var(--shadow-light);
  overflow: hidden;
  border: 1px solid var(--border-light);
  font-family: 'Arial', sans-serif;
}

.explicaciones-tabla thead {
  background: var(--accent-blue);
  color: white;
}

.explicaciones-tabla th {
  padding: 20px 15px;
  text-align: center;
  font-size: var(--font-size-h3);
  font-weight: 700;
  letter-spacing: 1px;
}

.explicaciones-tabla tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.explicaciones-tabla tbody tr:last-child {
  border-bottom: none;
}

.explicaciones-tabla tbody tr:hover {
  background: rgba(52, 152, 219, 0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.explicaciones-tabla td {
  padding: 25px 20px;
  text-align: left;
  vertical-align: top;
  color: var(--text-medium);
  font-size: var(--font-size-body);
  line-height: 1.6;
}

/* Estilo para las celdas de icono - OCULTO */
.explicaciones-tabla .icono-celda {
  display: none;
}

/* Estilo para las celdas de contenido */
.explicaciones-tabla .contenido-celda {
  padding-left: 10px;
}

/* Estilo para los títulos dentro de las celdas */
.explicaciones-tabla .titulo-explicacion {
  display: block;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  font-size: var(--font-size-body);
}

/* Estilo para los pasos numerados */
.explicaciones-tabla .pasos-lista {
  margin: 0;
  padding-left: 0;
  counter-reset: paso-counter;
}

.explicaciones-tabla .paso-item {
  margin-bottom: 10px;
  color: var(--text-medium);
  font-size: var(--font-size-body);
  line-height: 1.5;
  list-style-type: none;
  position: relative;
  padding-left: 30px;
}

.explicaciones-tabla .paso-item::before {
  counter-increment: paso-counter;
  content: counter(paso-counter) ".";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--accent-blue);
  font-size: var(--font-size-body);
  min-width: 25px;
}

.explicaciones-tabla .paso-item:last-child {
  margin-bottom: 0;
}

/* Estilo para notas importantes */
.explicaciones-tabla .nota-importante {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(52, 152, 219, 0.1);
  padding: 10px 15px;
  border-radius: 8px;
  margin-top: 12px;
  font-size: var(--font-size-small);
  color: var(--accent-blue);
  border-left: 3px solid var(--accent-blue);
  font-weight: 600;
  width: 100%;
  box-sizing: border-box;
}

/* ===== RESPONSIVE MEJORADO ===== */

/* Tablets (768px a 1024px) */
@media (max-width: 1024px) {
  .explicaciones-tabla {
    width: 95%;
  }

  .explicaciones-tabla th {
    padding: 18px 12px;
    font-size: var(--font-size-h3);
  }

  .explicaciones-tabla td {
    padding: 20px 15px;
    font-size: var(--font-size-body);
  }

  .explicaciones-tabla .icono-celda {
    width: 55px;
    font-size: 1.6rem;
  }

  .explicaciones-tabla .paso-item {
    font-size: var(--font-size-body);
  }
}

/* Teléfonos medianos (481px a 767px) - CONVERTIR A BLOQUE */
@media (max-width: 767px) {
  .explicaciones-tabla {
    display: block;
    width: 100%;
    max-width: 95%;
    margin: 15px 0;
    border-radius: 15px;
    overflow-x: hidden;
  }

  .explicaciones-tabla thead {
    display: block;
  }

  .explicaciones-tabla th {
    display: block;
    padding: 15px 10px;
    font-size: var(--font-size-h2);
    text-align: center;
  }

  .explicaciones-tabla tbody {
    display: block;
  }

  .explicaciones-tabla tbody tr {
    display: block;
    padding: 15px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0;
  }

  .explicaciones-tabla tbody tr:last-child {
    border-bottom: none;
  }

  .explicaciones-tabla td {
    display: block;
    width: 100% !important;
    padding: 10px 0;
    border: none;
    text-align: left;
  }

  .explicaciones-tabla .icono-celda {
    width: 100%;
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
    padding: 10px 0;
  }

  .explicaciones-tabla .contenido-celda {
    padding-left: 0;
    width: 100%;
  }

  .explicaciones-tabla .titulo-explicacion {
    font-size: var(--font-size-h3);
    text-align: center;
    margin-bottom: 15px;
    padding: 0 10px;
  }

  .explicaciones-tabla .pasos-lista {
    padding-left: 25px;
    margin-bottom: 15px;
  }

  .explicaciones-tabla .paso-item {
    font-size: var(--font-size-body);
    margin-bottom: 10px;
    line-height: 1.6;
    padding-right: 10px;
  }

  .explicaciones-tabla .nota-importante {
    padding: 12px 15px;
    font-size: var(--font-size-body);
    border-radius: 10px;
    margin-top: 15px;
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
  }

  /* Eliminar hover en móviles */
  .explicaciones-tabla tbody tr:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Teléfonos pequeños (hasta 480px) */
@media (max-width: 480px) {
  .explicaciones-tabla {
    border-radius: 12px;
    margin: 10px 0;
  }

  .explicaciones-tabla th {
    padding: 12px 8px;
    font-size: var(--font-size-body);
  }

  .explicaciones-tabla tbody tr {
    padding: 12px 10px;
  }

  .explicaciones-tabla .icono-celda {
    font-size: 1.8rem;
    margin-bottom: 8px;
  }

  .explicaciones-tabla .titulo-explicacion {
    font-size: var(--font-size-body);
    margin-bottom: 12px;
    padding: 0 5px;
  }

  .explicaciones-tabla .pasos-lista {
    padding-left: 20px;
    margin-bottom: 12px;
  }

  .explicaciones-tabla .paso-item {
    font-size: var(--font-size-small);
    margin-bottom: 8px;
    line-height: 1.5;
    padding-right: 5px;
  }

  .explicaciones-tabla .paso-item br {
    display: none;
    /* Evitar saltos de línea forzados */
  }

  .explicaciones-tabla .nota-importante {
    padding: 10px 12px;
    font-size: var(--font-size-small);
    margin-top: 12px;
    flex-direction: column;
    gap: 5px;
    text-align: center;
  }

  .explicaciones-tabla .nota-importante i {
    margin-bottom: 5px;
  }
}

/* Ajustes extra para texto muy largo */
@media (max-width: 380px) {
  .explicaciones-tabla .paso-item {
    font-size: 0.9rem;
    word-break: break-word;
    hyphens: auto;
  }

  .explicaciones-tabla .titulo-explicacion {
    font-size: var(--font-size-body);
    word-break: break-word;
  }

  .explicaciones-tabla .nota-importante {
    font-size: 0.8rem;
    line-height: 1.4;
  }
}

/* Modo oscuro ajustes */
[data-theme="dark"] .explicaciones-tabla {
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
}

[data-theme="dark"] .explicaciones-tabla tbody tr:hover {
  background: rgba(88, 166, 255, 0.05);
}

[data-theme="dark"] .explicaciones-tabla .nota-importante {
  background: rgba(88, 166, 255, 0.15);
  color: var(--accent-blue);
}

/* Mejora de legibilidad para listas en móviles */
@media (max-width: 767px) {
  .explicaciones-tabla .pasos-lista {
    counter-reset: paso-counter;
    padding-left: 0;
  }

  .explicaciones-tabla .paso-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    list-style-type: none;
  }

  .explicaciones-tabla .paso-item::before {
    counter-increment: paso-counter;
    content: counter(paso-counter) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    color: var(--accent-blue);
    font-size: var(--font-size-body);
    min-width: 25px;
  }
}

/* Ajuste para evitar texto cortado */
.explicaciones-tabla .paso-item {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}


/* Estilos para el sistema de oferta */
.container-oferta {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

@media (min-width: 992px) {
  .container-oferta {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1200px; /* Make it a bit wider to accommodate 2 columns */
    align-items: start; /* Prevent grid rows from stretching sibling items when one expands */
  }
}

.acordeon-btn {
  width: 100%;
  padding: 18px;
  background: var(--card-bg);
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 15px;
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid var(--border-light);
  min-height: 80px;
}

.carrera-item {
  display: flex;
  flex-direction: column;
}


.acordeon-btn:hover {
  color: white;
  background: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light);
}

[data-theme="dark"] .acordeon-btn:hover {
  color: white;
  background: var(--accent-blue);
}

.acordeon-btn:active {
  box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
}

/* Mantener hover azul cuando el acordeón está desplegado */
.acordeon-btn.active {
  color: white;
  background: var(--accent-blue);
  box-shadow: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light);
}

[data-theme="dark"] .acordeon-btn.active {
  color: white;
  background: var(--accent-blue);
}

.acordeon-btn .arrow {
  transition: transform 0.3s ease;
}

.acordeon-btn.active .arrow {
  transform: rotate(180deg);
}

.panel-oferta {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out;
  margin-bottom: 20px;
}

/* En móvil, asegurar que el panel abierto no se corte */
@media (max-width: 768px) {
  .panel-oferta[style*="max-height"] {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tabla-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
  }
}

.tabla-uned {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 10px;
  margin-top: 10px;
}

.bloque-header {
  background: var(--accent-blue);
  color: white;
  border-radius: 10px;
  padding: 10px !important;
  text-align: center;
}

.tabla-uned th {
  padding: 12px;
  color: var(--text-medium);
  font-size: 0.85rem;
}

.tabla-uned td {
  background: var(--card-bg);
  padding: 12px;
  text-align: center;
  box-shadow: 4px 4px 8px var(--shadow-dark);
}

.tabla-uned td:first-child {
  border-radius: 10px 0 0 10px;
}

.tabla-uned td:last-child {
  border-radius: 0 10px 10px 0;
}

.cod-cell {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
}

.name-cell {
  text-align: left !important;
  font-weight: 500;
}

.check-cell {
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 600px) {
  .name-cell {
    font-size: 0.85rem;
  }

  .cod-cell {
    font-size: 0.75rem;
  }
}

.search-container-uned {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--primary-bg);
  border-radius: 15px;
  padding: 5px 15px;
  /* Efecto neumórfico hundido */
  box-shadow: inset 6px 6px 12px var(--shadow-dark),
    inset -6px -6px 12px var(--shadow-light);
}

.search-icon {
  color: var(--text-light);
  margin-right: 10px;
}

#buscadorCarreras,
#buscadorAsignaturas {
  width: 100%;
  border: none;
  background: transparent;
  padding: 12px 5px;
  font-size: 1rem;
  color: var(--text-dark);
  outline: none;
}

.no-results-text {
  text-align: center;
  margin-top: 20px;
  color: var(--text-light);
  font-style: italic;
  font-family: 'Roboto', sans-serif;
}

/* Ajuste para que el texto no se vea mal en modo oscuro */
[data-theme="dark"] #buscadorCarreras,
[data-theme="dark"] #buscadorAsignaturas {
  color: #ffffff;
}

/* ===== TABLA FLOTANTE DE RESULTADOS ===== */
.resultados-busqueda {
  padding: 20px;
  max-width: 900px;
  margin: 20px auto;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow:
    10px 10px 20px var(--shadow-dark),
    -10px -10px 20px var(--shadow-light);
  border: 1px solid var(--border-light);
  animation: fadeIn 0.3s ease-in;
}

.resultados-busqueda h3 {
  color: var(--text-dark);
  margin-bottom: 15px;
  text-align: center;
  font-size: 1.2rem;
}

.carrera-cell {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 500;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive para resultados de búsqueda */
@media (max-width: 600px) {
  .resultados-busqueda {
    padding: 15px;
    margin: 15px auto;
  }

  .resultados-busqueda h3 {
    font-size: 1rem;
  }

  .carrera-cell {
    font-size: 0.75rem;
  }
}