/* ====================================
   PSICOLE - Manual de Usuario
   Estilo: Dark Mode Neon
   ==================================== */

:root {
  /* Colores principales */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e3a5f;
  --accent-primary: #10b981;
  --accent-secondary: #06b6d4;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #334155;
  
  /* Efectos */
  --glow-primary: 0 0 20px rgba(16, 185, 129, 0.3);
  --glow-secondary: 0 0 15px rgba(6, 182, 212, 0.2);
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  
  /* Tamaños */
  --sidebar-width: 280px;
  --header-height: 60px;
  
  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout principal */
.layout {
  display: block;
  min-height: 100vh;
}

/* ====================================
   SIDEBAR
   ==================================== */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 100;
  padding: 1.5rem 0;
}

.sidebar-header {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.sidebar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--glow-primary);
}

.sidebar-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-section {
  margin-bottom: 0.5rem;
}

.sidebar-section-title {
  padding: 0.75rem 1.5rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav-item {
  margin: 0.125rem 0.5rem;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.sidebar-nav-link:hover {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-primary);
}

.sidebar-nav-link.active {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--accent-primary);
  font-weight: 500;
}

.sidebar-nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.sidebar-nav-submenu {
  list-style: none;
  margin-left: 2rem;
  margin-top: 0.25rem;
}

.sidebar-nav-submenu .sidebar-nav-link {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
}

/* Botones de acción en sidebar */
.sidebar-actions {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  width: 100%;
  margin-bottom: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #059669);
  color: white;
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ====================================
   CONTENIDO PRINCIPAL
   ==================================== */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 2rem 3rem;
  max-width: 1200px;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 3rem 0;
  margin-bottom: 3rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Secciones */
.section {
  margin-bottom: 4rem;
  scroll-margin-top: 2rem;
}

.section-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title-icon {
  font-size: 1.5rem;
}

.section-description {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Tarjetas de casos de uso */
.use-case-grid {
  display: grid;
  gap: 1.5rem;
}

.use-case-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.use-case-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.use-case-card:hover::before {
  opacity: 1;
}

.use-case-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.use-case-id {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.use-case-priority {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.priority-alta {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
}

.priority-media {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-warning);
}

.priority-baja {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-primary);
}

.use-case-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.use-case-actor {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.use-case-actor strong {
  color: var(--text-secondary);
}

.use-case-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Tabla de flujos */
.use-case-details {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}

.use-case-details-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.use-case-flow {
  list-style: none;
  counter-reset: step;
}

.use-case-flow li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.use-case-flow li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Screenshots */
.screenshot-container {
  margin: 1.5rem 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.screenshot-container img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

/* Tutoriales animados */
.tutorial-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.tutorial-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tutorial-gif {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

/* Tarjetas de información */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.info-card:hover {
  border-color: var(--accent-secondary);
  box-shadow: var(--glow-secondary);
}

.info-card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.info-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.info-card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Alertas */
.alert {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  margin: 1rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.alert-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.alert-info {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-secondary);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-primary);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-warning);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-danger);
}

/* Código */
.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.875rem;
  color: var(--accent-primary);
  overflow-x: auto;
}

/* Tabla */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

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

.data-table th {
  background: var(--bg-primary);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.data-table tr:hover td {
  background: rgba(16, 185, 129, 0.05);
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.footer-text {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* ====================================
   RESPONSIVE
   ==================================== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 240px;
  }
  
  .main-content {
    padding: 1.5rem 2rem;
  }
}

@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    left: -100%;
    transition: left var(--transition-normal);
    z-index: 1000;
  }
  
  .sidebar.active {
    left: 0;
  }
  
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.375rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
}

/* Botón de menú móvil */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 48px;
  height: 48px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 1001;
}

/* Overlay para móvil */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

/* Animaciones de entrada */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  animation: fadeInUp 0.5s ease forwards;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}