/* ========================================
   SISTEMA DE COMPONENTES ESTANDARIZADOS
   NEXO DIGITAL 360 - DESIGN SYSTEM
   ======================================== */

/* ===== TOKENS DE COMPONENTES ===== */
:root {
  /* Tab System Tokens */
  --tab-bg: transparent;
  --tab-bg-hover: rgba(0, 240, 255, 0.05);
  --tab-bg-active: rgba(0, 240, 255, 0.1);
  --tab-color: var(--color-text-secondary);
  --tab-color-hover: var(--color-text);
  --tab-color-active: var(--color-primary);
  --tab-border-radius: var(--border-radius-md);
  --tab-border-radius-top: var(--border-radius-md) var(--border-radius-md) 0 0;
  --tab-line-height: 3px;
  --tab-line-gradient: linear-gradient(90deg, var(--color-primary), var(--color-tertiary));
  
  /* Button System Tokens */
  --btn-primary-bg: var(--color-primary);
  --btn-primary-color: var(--color-background);
  --btn-secondary-bg: transparent;
  --btn-secondary-color: var(--color-text);
  --btn-secondary-border: var(--color-border);
  --btn-hover-transform: translateY(-1px);
  --btn-active-transform: translateY(0);
  
  /* Card System Tokens */
  --card-bg: var(--color-card-bg);
  --card-border: var(--color-border);
  --card-border-hover: var(--color-primary);
  --card-shadow: var(--shadow-md);
  --card-shadow-hover: var(--shadow-lg);
  --card-radius: var(--border-radius-lg);
  
  /* Animation Tokens */
  --anim-fast: 0.15s ease;
  --anim-normal: 0.25s ease;
  --anim-slow: 0.4s ease;
  --anim-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ===== SISTEMA DE TABS ESTANDARIZADO ===== */
.tabs-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.tab-btn {
  position: relative;
  flex: 1;
  min-width: 120px;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--tab-border-radius-top);
  background: var(--tab-bg);
  color: var(--tab-color);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--anim-normal);
  cursor: pointer;
}

.tab-btn::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: var(--tab-line-height);
  background: var(--tab-line-gradient);
  transition: transform var(--anim-normal);
  transform: scaleX(0);
  content: '';
}

.tab-btn:hover {
  background-color: var(--tab-bg-hover);
  color: var(--tab-color-hover);
}

.tab-btn.active {
  background-color: var(--tab-bg-active);
  color: var(--tab-color-active);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-pane {
  display: none;
  margin-top: var(--spacing-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  background-color: var(--card-bg);
  transition: opacity var(--anim-normal);
  opacity: 0;
}

.tab-pane.active {
  display: block;
  opacity: 1;
}

/* ===== SISTEMA DE BOTONES ESTANDARIZADO ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--anim-normal);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

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

.btn-primary:hover {
  transform: var(--btn-hover-transform);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--btn-secondary-bg);
  color: var(--btn-secondary-color);
  border-color: var(--btn-secondary-border);
}

.btn-secondary:hover {
  background-color: var(--tab-bg-hover);
  border-color: var(--color-primary);
  transform: var(--btn-hover-transform);
}

.btn:active {
  transform: var(--btn-active-transform);
}

/* ===== SISTEMA DE CARDS ESTANDARIZADO ===== */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  transition: all var(--anim-normal);
}

.card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--card-shadow-hover);
  transform: var(--btn-hover-transform);
}

.card-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: var(--spacing-md);
}

.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* ===== RESPONSIVE ADAPTATIONS ===== */
@media (max-width: 1024px) {
  .tabs-nav {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    border-bottom: none;
  }
  
  .tab-btn {
    width: 100%;
    max-width: 300px;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    border-radius: var(--tab-border-radius);
  }
  
  .tab-btn::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .tabs-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: none;
  }
  
  .tab-btn {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 120px;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    border-radius: var(--tab-border-radius);
  }
  
  .tab-btn::after {
    display: none;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===== UTILIDADES DE ANIMACIÓN ===== */
.animate-fade-in {
  animation: fadeIn var(--anim-normal) ease-in-out;
}

.animate-slide-up {
  animation: slideUp var(--anim-normal) ease-out;
}

.animate-bounce {
  animation: bounce var(--anim-bounce) 0.6s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translateY(0);
  }
  40%, 43% {
    transform: translateY(-10px);
  }
  70% {
    transform: translateY(-5px);
  }
  90% {
    transform: translateY(-2px);
  }
}

/* ===== ESTADOS DE ACCESIBILIDAD ===== */
.tab-btn:focus,
.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.tab-btn:focus:not(:focus-visible),
.btn:focus:not(:focus-visible) {
  outline: none;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .tab-btn,
  .btn,
  .card {
    transition: none;
  }
  
  .tab-btn::after {
    transition: none;
  }
  
  .animate-fade-in,
  .animate-slide-up,
  .animate-bounce {
    animation: none;
  }
}