/* Estilos Globales y Variables de Marca */
:root {
  --primary-deep: #0a192f;
  --primary-blue: #0284c7;
  --primary-light: #e0f2fe;
  --accent-salmon: #ea580c;
  --accent-coral: #fb923c;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header & Barra Superior */
.top-nav {
  background: linear-gradient(135deg, var(--primary-deep) 0%, #034069 100%);
  color: white;
  padding: 1.2rem 2rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-logo-icon {
  font-size: 2rem;
  background: rgba(255,255,255,0.1);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.2);
}

.brand-text h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-text p {
  font-size: 0.8rem;
  color: #93c5fd;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.header-badges {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.badge {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.badge-gold {
  background: #fef3c7;
  color: #92400e;
}

.badge-blue {
  background: #dbeafe;
  color: #1e40af;
}

.badge-green {
  background: #d1fae5;
  color: #065f46;
}

.badge-orange {
  background: #ffedd5;
  color: #9a3412;
}

/* Tabs de Navegación */
.tabs-wrapper {
  background: white;
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
}

.tabs-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 1rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--primary-blue);
  background-color: #f1f5f9;
}

.tab-btn.active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
  background-color: #f8fafc;
}

/* Contenido Principal */
.main-content {
  max-width: 1280px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tarjetas de Métricas Dashboard */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  padding: 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi-title {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-deep);
}

.kpi-sub {
  font-size: 0.78rem;
  margin-top: 0.4rem;
}

.text-success { color: var(--accent-green); }
.text-warning { color: var(--accent-gold); }
.text-danger { color: var(--accent-red); }

/* Layout en Columnas */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.8rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-deep);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Barra de Filtros y Búsqueda de Productos */
.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.search-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.filter-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background-color: white;
  cursor: pointer;
  outline: none;
}

.btn {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: #0369a1;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: #f1f5f9;
}

.btn-success {
  background-color: var(--accent-green);
  color: white;
}

.btn-success:hover {
  background-color: #059669;
}

/* Tabla de Productos */
.table-responsive {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.product-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.product-table th {
  background-color: #f1f5f9;
  padding: 0.85rem 1rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.product-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.product-table tr:hover {
  background-color: #f8fafc;
}

.product-name-cell {
  font-weight: 600;
  color: var(--primary-deep);
}

.product-desc-small {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Simulador de Precios y Margen */
.simulator-box {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.slider-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-deep);
  display: flex;
  justify-content: space-between;
}

.slider-input {
  width: 100%;
  accent-color: var(--primary-blue);
  cursor: pointer;
}

.sim-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.sim-result-item {
  background: white;
  padding: 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid #e0f2fe;
  text-align: center;
}

.sim-result-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.sim-result-val {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-top: 0.2rem;
}

/* Matrices Cuadrantes */
.matrix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

@media (max-width: 768px) {
  .matrix-grid {
    grid-template-columns: 1fr;
  }
}

.quadrant-box {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.quadrant-f { background-color: #ecfdf5; border-color: #a7f3d0; }
.quadrant-d { background-color: #fff7ed; border-color: #fed7aa; }
.quadrant-o { background-color: #eff6ff; border-color: #bfdbfe; }
.quadrant-a { background-color: #fef2f2; border-color: #fecaca; }

.quadrant-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.quadrant-f .quadrant-title { color: #065f46; }
.quadrant-d .quadrant-title { color: #9a3412; }
.quadrant-o .quadrant-title { color: #1e40af; }
.quadrant-a .quadrant-title { color: #991b1b; }

.matrix-list {
  list-style-type: none;
}

.matrix-list li {
  font-size: 0.85rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed rgba(0,0,0,0.08);
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.matrix-list li:last-child {
  border-bottom: none;
}

/* Balanced Scorecard Cards */
.bsc-card {
  border-left: 5px solid var(--primary-blue);
  margin-bottom: 1rem;
  padding: 1.2rem;
  background: white;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.bsc-card.verde { border-left-color: var(--accent-green); }
.bsc-card.amarillo { border-left-color: var(--accent-gold); }
.bsc-card.rojo { border-left-color: var(--accent-red); }

.bsc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

/* JSON Code Viewer */
.json-viewer {
  background: #0f172a;
  color: #38bdf8;
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.82rem;
  overflow-x: auto;
  max-height: 450px;
}

/* Hostinger Deployment Steps */
.step-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.step-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

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

.step-content h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
  color: var(--primary-deep);
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 2.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
  background: white;
  margin-top: 3rem;
}