/* ============================================
   SISTEMA DE MANUAL DE USUARIO - CSS COMPLETO
   Diseño responsive con tabs, FAQ y contenido dinámico
   ============================================ */

/* ============================================
   Botón de Ayuda en Header
   ============================================ */
.btn-help {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}

.btn-help:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-help svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   Modal del Manual
   ============================================ */
.user-manual-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.user-manual-modal.active {
  opacity: 1;
  visibility: visible;
}

.manual-content {
  background: var(--white);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
}

.user-manual-modal.active .manual-content {
  transform: translateY(0);
}

/* ============================================
   Header, Tabs y Body
   ============================================ */
.manual-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.manual-header h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
}

.manual-close-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
}

.manual-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.manual-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border-color);
  overflow-x: auto;
}

.manual-tab {
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.manual-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--white);
}

.manual-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.manual-tab-content {
  display: none;
}

.manual-tab-content.active {
  display: block;
  animation: fadeIn 0.3s;
}

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

/* ============================================
   Pasos y Características
   ============================================ */
.manual-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.manual-step {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
}

.step-number {
  background: var(--primary);
  color: var(--white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.manual-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.feature-card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  text-align: center;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   FAQ Accordion
   ============================================ */
.manual-faq {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background: var(--white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  cursor: pointer;
}

.faq-toggle {
  transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: var(--spacing-md);
  line-height: 1.8;
}

/* ============================================
   Info Boxes
   ============================================ */
.info-box {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
}

.info-box.tip {
  background: #E8F5E9;
  border-color: var(--success);
}

.info-box.warning {
  background: #FFF3CD;
  border-color: var(--warning);
}

/* ============================================
   Responsive
   ============================================ */
@media (min-width: 600px) {
  .user-manual-modal {
    align-items: center;
  }
  
  .manual-content {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 599px) {
  .manual-header {
    padding: var(--spacing-md);
  }
  
  .manual-body {
    padding: var(--spacing-md);
  }
  
  .manual-features {
    grid-template-columns: 1fr;
  }
}

body.manual-open {
  overflow: hidden;
}