/* Variables CSS para colores y medidas */
:root {
  --primary-color: #b71c1c;
  --primary-light: #e53935;
  --primary-lighter: #ffcdd2;
  --primary-lightest: #fff5f5;
  --white: #ffffff;
  --gray-light: #f5f5f5;
  --gray-medium: #757575;
  --gray-dark: #424242;
  --text-primary: #333333;
  --text-secondary: #666666;
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);
  --border-radius: 8px;
  --border-radius-large: 12px;
  --transition: all 0.3s ease;
  --sidebar-width: 260px;
  --topbar-height: 64px;
  --mobile-breakpoint: 768px;
  --tablet-breakpoint: 1024px;
}

/* Reset y base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-light);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
}

/* Prevención global de overflow horizontal */
img, video, iframe {
  max-width: 100%;
  height: auto;
}

pre, code {
  max-width: 100%;
  overflow-x: auto;
}

/* Utilidades responsive */
.container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
  box-sizing: border-box;
  overflow-x: hidden;
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-center {
  justify-content: center;
}

.align-center {
  align-items: center;
}

.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

/* Grid responsive */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Tipografía responsive */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-color);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.5rem);
}

/* Topbar responsive */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  height: var(--topbar-height);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  z-index: 1000;
  box-shadow: var(--shadow-medium);
  box-sizing: border-box;
  overflow-x: hidden;
}

.topbar .logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar .logo img {
  max-width: 48px;
  height: auto;
  border-radius: var(--border-radius);
  background: var(--white);
  padding: 4px;
  box-shadow: var(--shadow-light);
}

.topbar .logo span {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.topbar .user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
}

.topbar .user a {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.topbar .user a:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Hamburger menu para móvil */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--white);
  margin: 3px 0;
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Sidebar responsive */
.sidebar {
  position: fixed;
  left: 0;
  top: var(--topbar-height);
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 1rem 0;
  box-shadow: var(--shadow-medium);
  z-index: 900;
  overflow-y: auto;
  transition: var(--transition);
}

.sidebar ul {
  list-style: none;
}

.sidebar li {
  margin: 0;
}

.sidebar a {
  display: block;
  color: var(--white);
  text-decoration: none;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.sidebar a:hover {
  background: rgba(255, 255, 255, 0.15);
  padding-left: 2rem;
}

.utilidades-submenu {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  margin: 0.5rem 1rem;
  overflow: hidden;
}

.utilidades-submenu a {
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.utilidades-submenu a:hover {
  background: rgba(255, 255, 255, 0.1);
  padding-left: 2rem;
}

/* Main content responsive */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--topbar-height);
  padding: 2rem;
  min-height: calc(100vh - var(--topbar-height) - 60px);
  background: var(--white);
  transition: var(--transition);
  max-width: calc(100vw - var(--sidebar-width));
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Cards modernos */
.card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--primary-lighter);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.accesos-rect {
  background: var(--primary-lightest);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  padding: 2rem;
  margin: 2rem auto;
  max-width: 100%;
  width: 100%;
  border: 1px solid var(--primary-lighter);
  text-align: center;
  box-sizing: border-box;
}

/* Icon cards responsive */
.icon-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 0 1rem;
}

.icon-list.centrado {
  justify-content: center;
  max-width: 800px;
  margin: 2rem auto 0 auto;
}

.icon-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem 1rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  border: 2px solid transparent;
  min-height: 140px;
  position: relative;
  overflow: hidden;
}

.icon-card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
  border-color: var(--primary-light);
  color: var(--primary-color);
  text-decoration: none;
}

.icon-card:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.icon-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
  transition: var(--transition);
  object-fit: contain;
}

.icon-card:hover img {
  transform: scale(1.1);
}

.icon-card span {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  color: inherit;
}

/* Formularios modernos */
input, select, textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 0.875rem;
  border: 2px solid var(--primary-lighter);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  color: var(--text-primary);
  transition: var(--transition);
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(183, 28, 28, 0.1);
}

input:invalid {
  border-color: #dc3545;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Form containers and responsive improvements */
.form-container {
  width: 100%;
  max-width: 100%;
  padding: 1rem;
  box-sizing: border-box;
}

.form-inline {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}

.form-inline > * {
  flex: 1;
  min-width: 0;
}

.form-group-inline {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.form-group-inline label {
  margin-bottom: 0;
  white-space: nowrap;
  flex-shrink: 0;
}

.form-group-inline input,
.form-group-inline select {
  margin-bottom: 0;
  flex: 1;
  min-width: 100px;
}

/* Botones modernos */
button, .btn, .btn-agregar, .tab-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  background: var(--gray-medium);
  color: var(--white);
  box-shadow: var(--shadow-light);
  margin: 0.25rem;
}

button:hover, .btn:hover, .btn-agregar:hover, .tab-link:hover {
  background: var(--gray-dark);
  box-shadow: var(--shadow-medium);
  transform: translateY(-1px);
}

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

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

.btn-volver {
  background: var(--gray-light);
  color: var(--primary-color);
  border: 2px solid var(--primary-light);
}

.btn-volver:hover {
  background: var(--primary-lightest);
  color: var(--primary-color);
}

.btn-eliminar {
  background: #dc3545 !important;
  color: var(--white) !important;
}

.btn-eliminar:hover {
  background: #c82333 !important;
}

.tab-link.active {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-light);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Tablas responsive */
.table-container {
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  max-width: 100%;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  min-width: 600px;
  max-width: 100%;
}

th, td {
  padding: 1rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--primary-lighter);
}

th {
  background: var(--primary-color);
  color: var(--white);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--primary-lightest);
}

/* Modales modernos */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-heavy);
  position: relative;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition);
  z-index: 10;
}

.modal-close:hover {
  background: var(--primary-light);
  transform: scale(1.1);
}

/* Footer */
.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
  z-index: 800;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    margin-right: 0;
    padding: 1rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .topbar {
    padding: 0 1rem;
  }
  
  .topbar .logo span {
    display: none;
  }
  
  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
    max-width: calc(100vw - 2rem);
  }
  
  .icon-list {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    padding: 0;
  }
  
  .icon-card {
    padding: 1rem 0.5rem;
    min-height: 120px;
  }
  
  .accesos-rect {
    margin: 1rem auto;
    padding: 1.5rem 1rem;
    max-width: 100%;
    width: 100%;
  }
  
  /* Form improvements for mobile */
  input, select, textarea {
    padding: 0.875rem;
    font-size: 16px; /* Prevent zoom on iOS */
    margin-bottom: 1rem;
  }
  
  input[style*="width"] {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  /* Fix inline form elements */
  form > div {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  form > div > label {
    order: 1;
  }
  
  form > div > input,
  form > div > select {
    order: 2;
    width: 100% !important;
    max-width: 100% !important;
  }
  
  /* Specific fixes for justificantes forms */
  form span {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    margin-top: 0.5rem !important;
  }
  
  form span label {
    margin-left: 0 !important;
    margin-bottom: 0.25rem !important;
  }
  
  form span input,
  form span select {
    width: 100% !important;
    margin-left: 0 !important;
  }
  
  /* Container fixes */
  div[style*="max-width:600px"] {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  div[style*="padding:1.5rem"] {
    padding: 1rem !important;
  }
  
  /* Button spacing */
  button {
    margin: 0.25rem 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  
  button[style*="margin-top"] {
    margin-top: 1rem !important;
  }
  
  table {
    font-size: 0.9rem;
    min-width: 500px;
  }
  
  th, td {
    padding: 0.75rem 0.5rem;
  }
  
  .card {
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.3rem;
  }
  
  .footer {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .icon-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .icon-card {
    min-height: 100px;
    padding: 0.75rem 0.5rem;
  }
  
  .icon-card img {
    width: 36px;
    height: 36px;
  }
  
  .icon-card span {
    font-size: 0.8rem;
  }
  
  .modal-content {
    padding: 1rem;
  }
  
  .topbar {
    height: 56px;
  }
  
  .main-content {
    margin-top: 56px;
  }
  
  .sidebar {
    top: 56px;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }
  
  .main-content {
    margin-left: 240px;
  }
  
  .icon-list {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }
}

/* Animaciones y efectos */
.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.3s ease;
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Utilidades de spacing responsive */
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 1rem; }
.m-4 { margin: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

@media (max-width: 768px) {
  .m-1, .m-2, .m-3, .m-4 { margin: 0.5rem; }
  .p-1, .p-2, .p-3, .p-4 { padding: 0.75rem; }
}

/* Estados de carga y loading */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.spinner {
  border: 3px solid var(--primary-lighter);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form layout improvements */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.inline {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* Enhanced button groups */
.btn-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-group button,
.btn-group .btn {
  margin: 0;
  flex: 1;
  min-width: fit-content;
}

/* Table action buttons */
.table-actions {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.table-actions button,
.table-actions .btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  margin: 0;
}

/* Card layouts for forms */
.form-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--primary-lighter);
}

.form-card h3 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-lighter);
  padding-bottom: 0.5rem;
}

/* Section headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-header h1,
.section-header h2 {
  margin: 0;
  color: var(--primary-color);
}

.section-header .actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Filter forms */
.filter-form {
  background: var(--primary-lightest);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--primary-lighter);
}

.filter-form .form-row {
  margin-bottom: 1rem;
}

.filter-form .form-row:last-child {
  margin-bottom: 0;
}

/* Tab content styling */
.tab-content {
  background: var(--white);
  border-radius: var(--border-radius-large);
  padding: 2rem;
  box-shadow: var(--shadow-light);
  border: 1px solid var(--primary-lighter);
  margin-top: 1rem;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--primary-lighter);
  flex-wrap: wrap;
}

/* Alert messages */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  border: 1px solid;
  font-weight: 500;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border-color: #c3e6cb;
}

.alert-error {
  background: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

.alert-warning {
  background: #fff3cd;
  color: #856404;
  border-color: #ffeaa7;
}

.alert-info {
  background: #d1ecf1;
  color: #0c5460;
  border-color: #bee5eb;
}

/* Mobile table enhancements */
.mobile-table-container {
  display: none;
}

.enhanced-mobile-table {
  position: relative;
}

/* Mobile list style (alternative to cards) */
.mobile-list-container {
  display: none;
  background: var(--white);
  border-radius: var(--border-radius);
  border: 1px solid var(--primary-lighter);
  box-shadow: var(--shadow-light);
  overflow: hidden;
}

.mobile-list-item {
  padding: 1rem;
  border-bottom: 1px solid var(--primary-lighter);
  position: relative;
  transition: var(--transition);
}

.mobile-list-item:last-child {
  border-bottom: none;
}

.mobile-list-item:hover {
  background: var(--primary-lightest);
}

.mobile-list-header {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.mobile-list-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.mobile-list-detail {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.mobile-list-detail-label {
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-list-detail-value {
  color: var(--text-secondary);
}

.mobile-list-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.mobile-list-actions button,
.mobile-list-actions .btn,
.mobile-list-actions a {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  box-sizing: border-box;
  flex: 1;
  min-width: fit-content;
}

.mobile-list-actions .btn-agregar {
  background: var(--gray-medium) !important;
  color: var(--white) !important;
  border: none !important;
}

.mobile-list-actions .btn-eliminar {
  background: #dc3545 !important;
  color: var(--white) !important;
  border: none !important;
}

@media (max-width: 768px) {
  /* Hide regular tables on mobile */
  .enhanced-mobile-table table {
    display: none !important;
  }
  
  /* Show mobile table container */
  .mobile-table-container {
    display: block !important;
  }
  
  /* Priority for list containers over card containers */
  .mobile-list-container {
    display: block !important;
  }
  
  /* Hide card containers when list containers are present */
  .mobile-list-container + .mobile-table-container {
    display: none !important;
  }
}
  
  /* Enhanced mobile cards */
  .mobile-card {
    background: var(--white);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-light);
    position: relative;
  }
  
  .mobile-card:last-child {
    margin-bottom: 0;
  }
  
  .mobile-card-header {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-lighter);
    word-break: break-word;
  }
  
  .mobile-card-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.4rem 0;
    border-bottom: 1px solid #f0f0f0;
    min-height: 1.5rem;
  }
  
  .mobile-card-row:last-of-type {
    border-bottom: none;
  }
  
  .mobile-card-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    flex: 0 0 35%;
    padding-right: 0.5rem;
    line-height: 1.3;
  }
  
  .mobile-card-value {
    color: var(--text-primary);
    font-size: 0.9rem;
    flex: 1;
    text-align: right;
    word-break: break-word;
    line-height: 1.3;
  }
  
  .mobile-card-actions {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 2px solid var(--primary-lighter);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  
  .mobile-card-actions button,
  .mobile-card-actions .btn,
  .mobile-card-actions a {
    flex: 1;
    min-width: 0;
    font-size: 0.8rem;
    padding: 0.6rem 0.8rem;
    text-align: center;
    border-radius: var(--border-radius);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
  }
  
  .mobile-card-actions .btn-agregar {
    background: var(--gray-medium) !important;
    color: var(--white) !important;
  }
  
  .mobile-card-actions .btn-eliminar {
    background: #dc3545 !important;
    color: var(--white) !important;
    border: none !important;
  }
  
  /* Prevent table overflow and fix mobile display issues */
  table {
    table-layout: fixed;
    word-wrap: break-word;
  }
  
  /* Remove duplicate mobile cards */
  .mobile-table-container + .mobile-table-container {
    display: none !important;
  }
  
  /* Priority for list containers over card containers */
  .mobile-list-container {
    display: block !important;
  }
  
  /* Hide card containers when list containers are present */
  .mobile-list-container + .mobile-table-container {
    display: none !important;
  }
}

/* Simple Mobile Table Styles - Horizontal Scroll */
@media (max-width: 768px) {
  /* Container for horizontal scroll */
  .table-container {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    margin: 0 -0.5rem;
    padding: 0 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--white);
  }
  
  /* Ensure parent containers don't restrict width */
  #usuarios-listado,
  #tablaSecciones {
    width: 100%;
    max-width: 100%;
    overflow: visible;
  }
  
  /* Keep tables visible and make them scrollable */
  .table-container table,
  table:not(.desktop-only) {
    display: table !important;
    min-width: 700px;
    width: auto;
    white-space: nowrap;
    font-size: 0.85rem;
    margin: 0;
    border-collapse: collapse;
  }
  
  /* Hide complex mobile containers */
  .mobile-table-container,
  .mobile-list-container {
    display: none !important;
  }
  
  /* Compact table styling for mobile */
  table th,
  table td {
    padding: 0.5rem 0.3rem !important;
    font-size: 0.8rem !important;
    vertical-align: middle;
  }
  
  /* Table header styling */
  table th {
    background: var(--primary-color) !important;
    color: white !important;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  /* Action buttons in tables */
  table .usuarios-actions button,
  table .acciones button,
  table button {
    padding: 0.25rem 0.4rem !important;
    font-size: 0.7rem !important;
    margin: 0.1rem !important;
    min-width: auto;
    white-space: nowrap;
  }
  
  /* Scroll indicator */
  .table-container::after {
    content: "← Desliza para ver más →";
    display: block;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding: 0.5rem;
    background: var(--gray-lightest);
    border-top: 1px solid var(--border-color);
  }
}
}

/* Improve mobile table readability for very small screens */
@media (max-width: 480px) {
  .table-container {
    margin: 0 -0.25rem;
    padding: 0 0.25rem;
  }
  
  table th,
  table td {
    padding: 0.4rem 0.25rem !important;
    font-size: 0.75rem !important;
  }
  
  table .usuarios-actions button,
  table .acciones button,
  table button {
    padding: 0.2rem 0.3rem !important;
    font-size: 0.65rem !important;
  }
}

/* Base table styling for consistency */
.table-container {
  position: relative;
}

.usuarios-table,
.table-secciones {
  border-collapse: collapse;
  width: 100%;
}

.usuarios-table th,
.usuarios-table td,
.table-secciones th,
.table-secciones td {
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  text-align: left;
}

.usuarios-table th,
.table-secciones th {
  background: var(--primary-color);
  color: white;
  font-weight: 600;
}
  
  .mobile-card {
    background: var(--white);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-light);
  }
  
  .mobile-card-header {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-lighter);
  }
  
  .mobile-card-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .mobile-card-row:last-child {
    border-bottom: none;
    margin-top: 0.75rem;
    justify-content: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .mobile-card-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 0 0 40%;
  }
  
  .mobile-card-value {
    color: var(--text-primary);
    font-size: 0.9rem;
    flex: 1;
    text-align: right;
    word-break: break-word;
  }
  
  .mobile-card-actions {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .mobile-card-actions button,
  .mobile-card-actions .btn,
  .mobile-card-actions a {
    flex: 1;
    min-width: 0;
    font-size: 0.85rem;
    padding: 0.6rem 0.8rem;
    text-align: center;
  }
  
  /* Alternative table stack layout */
  .table-responsive-stack table {
    display: table;
    width: 100%;
    font-size: 0.85rem;
  }
  
  .table-responsive-stack thead {
    display: none;
  }
  
  .table-responsive-stack tbody,
  .table-responsive-stack tr {
    display: block;
    width: 100%;
  }
  
  .table-responsive-stack tr {
    background: var(--white);
    border: 1px solid var(--primary-lighter);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-light);
  }
  
  .table-responsive-stack td {
    display: block;
    width: 100% !important;
    padding: 0.4rem 0 !important;
    border: none !important;
    text-align: left !important;
    position: relative;
    padding-left: 40% !important;
    min-height: 1.5rem;
  }
  
  .table-responsive-stack td:before {
    content: attr(data-label) ": ";
    position: absolute;
    left: 0;
    top: 0.4rem;
    width: 35%;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .table-responsive-stack td:last-child {
    padding-left: 0 !important;
    margin-top: 0.75rem;
  }
  
  .table-responsive-stack td:last-child:before {
    content: "";
  }
  
  /* Icon list improvements for mobile */
  .icon-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0;
    margin-top: 1.5rem;
    width: 100%;
    max-width: 100%;
  }
  
  .icon-list.centrado {
    margin: 1.5rem auto 0 auto;
    max-width: 100%;
    width: 100%;
  }
  
  .icon-card {
    min-height: 100px;
    padding: 1rem 0.75rem;
    border-radius: var(--border-radius);
  }
  
  .icon-card img {
    width: 36px;
    height: 36px;
    margin-bottom: 0.5rem;
  }
  
  .icon-card span {
    font-size: 0.8rem;
    line-height: 1.2;
    word-break: break-word;
    hyphens: auto;
  }
  
  /* Main content spacing */
  .main-content {
    padding: 1rem 0.75rem 80px 0.75rem; /* Extra bottom padding for footer */
    margin-bottom: 0;
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
  }
  
  .accesos-rect {
    margin: 1rem auto;
    padding: 1.5rem 1rem;
    width: 100%;
    max-width: 100%;
  }
  
  .accesos-rect h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
  }
  
  /* Form improvements */
  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .section-header h1,
  .section-header h2 {
    font-size: 1.4rem;
  }
  
  .section-header .actions {
    width: 100%;
    justify-content: stretch;
  }
  
  .section-header .actions button,
  .section-header .actions .btn {
    flex: 1;
    min-width: 0;
  }
  
  /* Button groups */
  .btn-group {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .btn-group button,
  .btn-group .btn {
    width: 100%;
  }
  
  .form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .form-actions button,
  .form-actions .btn {
    width: 100%;
    padding: 1rem;
  }
  
  /* Tab navigation */
  .tab-nav {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .tab-link {
    width: 100%;
    text-align: center;
    padding: 0.875rem 1rem;
  }
  
  /* Modal improvements */
  .modal-content {
    margin: 1rem 0.5rem;
    padding: 1.5rem 1rem;
    max-width: calc(100vw - 1rem);
    max-height: 85vh;
    overflow-y: auto;
  }
  
  /* Card spacing */
  .card, .form-card {
    margin: 0 auto 1rem auto;
    padding: 1.25rem;
    width: 100%;
    max-width: 100%;
  }
  
  /* Filter form */
  .filter-form {
    margin: 0 auto 1.5rem auto;
    padding: 1.25rem;
    width: 100%;
    max-width: 100%;
  }
  
  /* Table container improvements */
  .table-container {
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .icon-list {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 0;
    width: 100%;
    max-width: 100%;
  }
  
  .icon-list.centrado {
    margin: 1rem auto 0 auto;
    width: 100%;
    max-width: 100%;
  }
  
  .icon-card {
    min-height: 90px;
    padding: 0.75rem 0.5rem;
  }
  
  .icon-card img {
    width: 32px;
    height: 32px;
    margin-bottom: 0.4rem;
  }
  
  .icon-card span {
    font-size: 0.75rem;
    line-height: 1.1;
  }
  
  .main-content {
    padding: 0.75rem 0.5rem 80px 0.5rem;
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
  }
  
  .accesos-rect {
    margin: 0.75rem auto;
    padding: 1.25rem 0.75rem;
    width: 100%;
    max-width: 100%;
  }
  
  .accesos-rect h2 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
  }
  
  .mobile-card {
    padding: 0.875rem;
    margin-bottom: 0.875rem;
  }
  
  .mobile-card-header {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.4rem;
  }
  
  .mobile-card-row {
    padding: 0.3rem 0;
  }
  
  .mobile-card-label {
    font-size: 0.8rem;
    flex: 0 0 40%;
  }
  
  .mobile-card-value {
    font-size: 0.85rem;
  }
  
  .mobile-card-actions {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    gap: 0.4rem;
  }
  
  .mobile-card-actions button,
  .mobile-card-actions .btn,
  .mobile-card-actions a {
    font-size: 0.75rem;
    padding: 0.5rem 0.6rem;
  }
  
  .form-card, .card {
    margin: 0 auto 0.875rem auto;
    padding: 1rem;
    width: 100%;
    max-width: 100%;
  }
  
  .modal-content {
    margin: 0.5rem 0.25rem;
    padding: 1.25rem 0.875rem;
  }
  
  input, select, textarea {
    padding: 0.875rem;
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  button, .btn {
    padding: 0.875rem 1rem;
    font-size: 0.95rem;
  }
  
  .section-header h1,
  .section-header h2 {
    font-size: 1.3rem;
  }
  
  .table-container {
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
  }
  
  .filter-form {
    margin: 0 auto 1rem auto;
    padding: 1rem;
    width: 100%;
    max-width: 100%;
  }
  
  /* Additional form fixes for very small screens */
  form > div {
    margin-bottom: 1rem !important;
  }
  
  form input[style*="width"],
  form select[style*="width"] {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  form span {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
  }
  
  form button {
    width: 100% !important;
    margin: 0.5rem 0 !important;
  }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible para navegación por teclado */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* =============== MOBILE TABLE FIXES =============== */
/* FORCE HIDE ALL MOBILE CARD SYSTEMS */
.mobile-card,
.mobile-list-container,
.mobile-table-container,
.mobile-card-container,
.mobile-list-item,
.mobile-card-header,
.mobile-card-row {
  display: none !important;
  visibility: hidden !important;
}

/* Scroll to top button - ensure it's round on mobile */
.scroll-to-top {
  position: fixed !important;
  bottom: 80px !important;
  right: 20px !important;
  width: 50px !important;
  height: 50px !important;
  border-radius: 50% !important;
  background: var(--primary-color) !important;
  color: white !important;
  border: none !important;
  font-size: 20px !important;
  cursor: pointer !important;
  z-index: 1000 !important;
  transition: var(--transition) !important;
  box-shadow: var(--shadow-medium) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

@media (max-width: 768px) {
  .scroll-to-top {
    width: 45px !important;
    height: 45px !important;
    bottom: 70px !important;
    right: 15px !important;
    font-size: 18px !important;
  }
}

/* Mobile horizontal scroll - Applied at end to override conflicts */
@media (max-width: 768px) {
  /* Force hide all mobile card/list containers */
  .mobile-card,
  .mobile-list-container,
  .mobile-table-container,
  .mobile-card-container {
    display: none !important;
  }
  
  /* Force reset any conflicting styles */
  * {
    box-sizing: border-box;
  }
  
  /* Ensure containers don't interfere */
  #usuarios-listado,
  #tablaSecciones {
    width: 100% !important;
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
    display: block !important;
  }
  
  /* Table container for scroll */
  .table-container {
    overflow-x: auto !important;
    overflow-y: visible !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    background: var(--white) !important;
    position: relative !important;
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
  }
  
  /* Table styling */
  .table-container table {
    min-width: 600px !important;
    width: 600px !important;
    margin: 0 !important;
    border-collapse: collapse !important;
    display: table !important;
  }
  
  /* Header styling - compact and sticky */
  .table-container thead {
    display: table-header-group !important;
  }
  
  .table-container thead th {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    background: var(--primary-color) !important;
    color: white !important;
    font-size: 0.7rem !important;
    padding: 0.5rem 0.3rem !important;
    text-align: center !important;
    border: 1px solid var(--primary-light) !important;
    white-space: nowrap !important;
  }
  
  /* Body cells styling */
  .table-container tbody td {
    padding: 0.6rem 0.4rem !important;
    font-size: 0.75rem !important;
    vertical-align: middle !important;
    border: 1px solid var(--border-color) !important;
    white-space: nowrap !important;
  }
  
  /* Button styling in tables */
  .table-container button {
    padding: 0.3rem 0.5rem !important;
    font-size: 0.65rem !important;
    margin: 0.1rem !important;
    white-space: nowrap !important;
    border-radius: 3px !important;
  }
  
  /* Action column wider for buttons */
  .table-container .usuarios-actions,
  .table-container td:last-child {
    min-width: 120px !important;
    text-align: center !important;
  }
  
  /* Visual scroll indicator */
  .table-container::after {
    content: "⬅️ Desliza para ver más ➡️";
    display: block;
    text-align: center;
    font-size: 0.65rem;
    color: var(--text-secondary);
    padding: 0.5rem;
    background: var(--gray-lightest);
    border-top: 1px solid var(--border-color);
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
  }
}

@media (max-width: 480px) {
  .table-container {
    margin: 0 -0.25rem !important;
    padding: 0 0.25rem !important;
  }
  
  .table-container table {
    min-width: 500px !important;
    width: 500px !important;
  }
  
  .table-container thead th {
    font-size: 0.65rem !important;
    padding: 0.4rem 0.2rem !important;
  }
  
  .table-container tbody td {
    padding: 0.5rem 0.3rem !important;
    font-size: 0.7rem !important;
  }
  
  .table-container button {
    padding: 0.25rem 0.4rem !important;
    font-size: 0.6rem !important;
  }
  
  .scroll-to-top {
    width: 40px !important;
    height: 40px !important;
    bottom: 60px !important;
    right: 10px !important;
    font-size: 16px !important;
  }
}