/* ==============================================================================
   ETXEA APP v2.0 - ESTILOS PRINCIPALES Y VARIABLES (MODO CLARO INTEGRADO)
   ============================================================================== */

:root {
  /* Fondos */
  --bg-main:          #5E60CE;
  --bg-card:          #ffffff;
  --bg-card-hover:    #f8fafc;
  --bg-glass:         rgba(0, 0, 0, 0.04);

  /* Bordes */
  --border-color:     rgba(0, 0, 0, 0.1);
  --border-accent:    rgba(59, 130, 246, 0.4);

  /* Colores primarios */
  --primary:          #7400B8;
  --primary-hover:    #4EA8DE;
  --primary-glow:     rgba(37, 99, 235, 0.2);

  --secondary:        #6366f1;
  --accent-cyan:      #0891b2;
  --accent-emerald:   #059669;
  --accent-amber:     #d97706;
  --accent-rose:      #e11d48;

  /* Textos */
  --text-main:        #0f172a;
  --text-muted:       #64748b;
  --text-inverse:     #ffffff;
  --font-sans:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Sombras */
  --shadow-sm:        0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md:        0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-glow:      0 0 20px var(--primary-glow);

  /* Bordes redondeados */
  --radius-sm:        8px;
  --radius-md:        14px;
  --radius-lg:        24px;
  --radius-full:      9999px;

  /* Transiciones */
  --transition-fast:   all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  /* background-color: var(--bg-main); */
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* -----------------------------------------------------------------------------
   Barra de Navegación (Navbar) — Responsive
   ----------------------------------------------------------------------------- */
.navbar {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.brand-badge {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.user-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* -----------------------------------------------------------------------------
   Contenido Principal
   ----------------------------------------------------------------------------- */
main {
  flex: 1;
  padding: 1.5rem;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

/* -----------------------------------------------------------------------------
   Grid Layouts Responsive
   ----------------------------------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* -----------------------------------------------------------------------------
   Tarjetas & Layouts
   ----------------------------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

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

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* -----------------------------------------------------------------------------
   Controles de Formulario & Botones
   ----------------------------------------------------------------------------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

select.form-control {
  background: #ffffff;
  color: var(--text-main);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-accent);
  background: #f8fafc;
}

.btn-danger {
  background: var(--accent-rose);
  color: #fff;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

/* -----------------------------------------------------------------------------
   Badges y Estados
   ----------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger  { background: #ffe4e6; color: #be123c; }

/* -----------------------------------------------------------------------------
   Tablas Responsive
   ----------------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

th {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #f8fafc;
}

/* -----------------------------------------------------------------------------
   KPI / Stats Cards
   ----------------------------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.kpi-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 0.4rem;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
}

/* -----------------------------------------------------------------------------
   Código QR
   ----------------------------------------------------------------------------- */
.qr-container {
  text-align: center;
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 1rem 0;
  display: inline-block;
  box-shadow: var(--shadow-sm);
}

.qr-code-img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  display: block;
}

/* -----------------------------------------------------------------------------
   Alertas flash
   ----------------------------------------------------------------------------- */
.alert {
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid transparent;
  font-size: 0.9rem;
}

.alert-success { background: #dcfce7; color: #166534; border-color: #86efac; }
.alert-error   { background: #ffe4e6; color: #9f1239; border-color: #fca5a5; }

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.footer {
  margin-top: auto;
  text-align: center;
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* =============================================================================
   RESPONSIVE BREAKPOINTS
   ============================================================================= */

@media (max-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .navbar {
    padding: 0.75rem 1rem;
  }

  .brand-logo {
    font-size: 1rem;
  }

  .user-nav-actions {
    gap: 0.5rem;
  }

  .user-nav-actions span {
    display: none;
  }

  main {
    padding: 1rem;
  }

  .card {
    padding: 1rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .btn {
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
  }

  th, td {
    padding: 0.6rem 0.75rem;
    font-size: 0.82rem;
  }

  .kpi-value {
    font-size: 1.4rem;
  }

  div[style*="grid-template-columns: 1fr 1fr"],
  div[style*="grid-template-columns: 2fr 1fr"],
  div[style*="display: grid"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 400px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
  }
}