.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.card-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.kpi-card {
  background: var(--bg-card); 
  border-radius: var(--radius-lg); 
  padding: 20px; 
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft); 
  position: relative; 
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease;
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.25);
}

/* Indicador visual en borde izquierdo */
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary); 
    opacity: 0.9;
}

.kpi-card#kpi-inventario::before { background-color: var(--accent); }
.kpi-card#kpi-avance::before { background-color: var(--success); }

.kpi-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-weight: 800; 
  font-size: 1.75rem; 
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.kpi-tag {
  font-size: 0.75rem; 
  color: var(--success); 
  font-weight: 600;
}
.project-card, .user-card, .task-card, .list-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-soft);
  transition: all 0.25s ease;
}

.project-card:hover, .user-card:hover, .task-card:hover, .list-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.25);
}
.project-progress-bar {
  height: 8px;
  background-color: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 999px;
}
.back-link, .header-back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover, .header-back-link:hover {
    color: var(--primary);
}