/* ==========================================================================
   ESTILOS BASE MEJORADOS CON GLASSMORPHISM Y SOMBRAS AVANZADAS
   ========================================================================== */

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: var(--leading-normal);
  min-height: 100vh;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   TARJETAS Y CONTENEDORES (RELIEVE & ELEVACIÓN)
   -------------------------------------------------------------------------- */
.stat-card,
.dashboard-card,
.modal-card {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.2);
}

/* --------------------------------------------------------------------------
   TABLAS DE DATOS ALTA GAMA (.data-table)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
  font-size: var(--text-sm);
}

.data-table th {
  background: #f8fafc;
  color: var(--color-sidebar-muted);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: var(--space-4);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover td {
  background-color: var(--color-primary-tint);
}

/* --------------------------------------------------------------------------
   INPUTS Y FORMULARIOS
   -------------------------------------------------------------------------- */
.form-input,
.form-select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
  background: #ffffff;
}

/* --------------------------------------------------------------------------
   MODALES CON GLASSMORPHISM Y SOMBRAS MULTICAPA
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--glass-bg-dark);
  backdrop-filter: var(--glass-blur-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.modal-card {
  background: #ffffff;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-modal);
  border-radius: var(--radius-2xl);
  width: 100%;
}